Revision 405a29148c4d1f4a13fda3c93995ed07ea3fb1d3 authored by B2G Bumper Bot on 17 May 2014, 07:02:50 UTC, committed by B2G Bumper Bot on 17 May 2014, 07:02:50 UTC
1 parent a302648
TextInputHandler.mm
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 sw=2 et tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/ArrayUtils.h"
#include "TextInputHandler.h"
#ifdef MOZ_LOGGING
#define FORCE_PR_LOG /* Allow logging in the release build */
#endif // MOZ_LOGGING
#include "prlog.h"
#include "mozilla/MiscEvents.h"
#include "mozilla/MouseEvents.h"
#include "mozilla/TextEvents.h"
#include "nsChildView.h"
#include "nsObjCExceptions.h"
#include "nsBidiUtils.h"
#include "nsToolkit.h"
#include "nsCocoaUtils.h"
#include "WidgetUtils.h"
#include "nsPrintfCString.h"
#ifdef __LP64__
#include "ComplexTextInputPanel.h"
#include <objc/runtime.h>
#endif // __LP64__
#ifdef MOZ_LOGGING
#define FORCE_PR_LOG
#endif
#include "prlog.h"
#ifndef __LP64__
enum {
// Currently focused ChildView (while this TSM document is active).
// Transient (only set while TSMProcessRawKeyEvent() is processing a key
// event), and the ChildView will be retained and released around the call
// to TSMProcessRawKeyEvent() -- so it can be weak.
kFocusedChildViewTSMDocPropertyTag = 'GKFV', // type ChildView* [WEAK]
};
// Undocumented HIToolbox function used by WebKit to allow Carbon-based IME
// to work in a Cocoa-based browser (like Safari or Cocoa-widgets Firefox).
// (Recent WebKit versions actually use a thin wrapper around this function
// called WKSendKeyEventToTSM().)
//
// Calling TSMProcessRawKeyEvent() from ChildView's keyDown: and keyUp:
// methods (when the ChildView is a plugin view) bypasses Cocoa's IME
// infrastructure and (instead) causes Carbon TSM events to be sent on each
// NSKeyDown event. We install a Carbon event handler
// (PluginKeyEventsHandler()) to catch these events and pass them to Gecko
// (which in turn passes them to the plugin).
extern "C" long TSMProcessRawKeyEvent(EventRef carbonEvent);
#endif // __LP64__
using namespace mozilla;
using namespace mozilla::widget;
#ifdef PR_LOGGING
PRLogModuleInfo* gLog = nullptr;
static const char*
OnOrOff(bool aBool)
{
return aBool ? "ON" : "off";
}
static const char*
TrueOrFalse(bool aBool)
{
return aBool ? "TRUE" : "FALSE";
}
static const char*
GetKeyNameForNativeKeyCode(unsigned short aNativeKeyCode)
{
switch (aNativeKeyCode) {
case kVK_Escape: return "Escape";
case kVK_RightCommand: return "Right-Command";
case kVK_Command: return "Command";
case kVK_Shift: return "Shift";
case kVK_CapsLock: return "CapsLock";
case kVK_Option: return "Option";
case kVK_Control: return "Control";
case kVK_RightShift: return "Right-Shift";
case kVK_RightOption: return "Right-Option";
case kVK_RightControl: return "Right-Control";
case kVK_ANSI_KeypadClear: return "Clear";
case kVK_F1: return "F1";
case kVK_F2: return "F2";
case kVK_F3: return "F3";
case kVK_F4: return "F4";
case kVK_F5: return "F5";
case kVK_F6: return "F6";
case kVK_F7: return "F7";
case kVK_F8: return "F8";
case kVK_F9: return "F9";
case kVK_F10: return "F10";
case kVK_F11: return "F11";
case kVK_F12: return "F12";
case kVK_F13: return "F13/PrintScreen";
case kVK_F14: return "F14/ScrollLock";
case kVK_F15: return "F15/Pause";
case kVK_ANSI_Keypad0: return "NumPad-0";
case kVK_ANSI_Keypad1: return "NumPad-1";
case kVK_ANSI_Keypad2: return "NumPad-2";
case kVK_ANSI_Keypad3: return "NumPad-3";
case kVK_ANSI_Keypad4: return "NumPad-4";
case kVK_ANSI_Keypad5: return "NumPad-5";
case kVK_ANSI_Keypad6: return "NumPad-6";
case kVK_ANSI_Keypad7: return "NumPad-7";
case kVK_ANSI_Keypad8: return "NumPad-8";
case kVK_ANSI_Keypad9: return "NumPad-9";
case kVK_ANSI_KeypadMultiply: return "NumPad-*";
case kVK_ANSI_KeypadPlus: return "NumPad-+";
case kVK_ANSI_KeypadMinus: return "NumPad--";
case kVK_ANSI_KeypadDecimal: return "NumPad-.";
case kVK_ANSI_KeypadDivide: return "NumPad-/";
case kVK_ANSI_KeypadEquals: return "NumPad-=";
case kVK_ANSI_KeypadEnter: return "NumPad-Enter";
case kVK_Return: return "Return";
case kVK_Powerbook_KeypadEnter: return "NumPad-EnterOnPowerBook";
case kVK_PC_Insert: return "Insert/Help";
case kVK_PC_Delete: return "Delete";
case kVK_Tab: return "Tab";
case kVK_PC_Backspace: return "Backspace";
case kVK_Home: return "Home";
case kVK_End: return "End";
case kVK_PageUp: return "PageUp";
case kVK_PageDown: return "PageDown";
case kVK_LeftArrow: return "LeftArrow";
case kVK_RightArrow: return "RightArrow";
case kVK_UpArrow: return "UpArrow";
case kVK_DownArrow: return "DownArrow";
case kVK_PC_ContextMenu: return "ContextMenu";
case kVK_Function: return "Function";
case kVK_VolumeUp: return "VolumeUp";
case kVK_VolumeDown: return "VolumeDown";
case kVK_Mute: return "Mute";
case kVK_ISO_Section: return "ISO_Section";
case kVK_JIS_Yen: return "JIS_Yen";
case kVK_JIS_Underscore: return "JIS_Underscore";
case kVK_JIS_KeypadComma: return "JIS_KeypadComma";
case kVK_JIS_Eisu: return "JIS_Eisu";
case kVK_JIS_Kana: return "JIS_Kana";
case kVK_ANSI_A: return "A";
case kVK_ANSI_B: return "B";
case kVK_ANSI_C: return "C";
case kVK_ANSI_D: return "D";
case kVK_ANSI_E: return "E";
case kVK_ANSI_F: return "F";
case kVK_ANSI_G: return "G";
case kVK_ANSI_H: return "H";
case kVK_ANSI_I: return "I";
case kVK_ANSI_J: return "J";
case kVK_ANSI_K: return "K";
case kVK_ANSI_L: return "L";
case kVK_ANSI_M: return "M";
case kVK_ANSI_N: return "N";
case kVK_ANSI_O: return "O";
case kVK_ANSI_P: return "P";
case kVK_ANSI_Q: return "Q";
case kVK_ANSI_R: return "R";
case kVK_ANSI_S: return "S";
case kVK_ANSI_T: return "T";
case kVK_ANSI_U: return "U";
case kVK_ANSI_V: return "V";
case kVK_ANSI_W: return "W";
case kVK_ANSI_X: return "X";
case kVK_ANSI_Y: return "Y";
case kVK_ANSI_Z: return "Z";
case kVK_ANSI_1: return "1";
case kVK_ANSI_2: return "2";
case kVK_ANSI_3: return "3";
case kVK_ANSI_4: return "4";
case kVK_ANSI_5: return "5";
case kVK_ANSI_6: return "6";
case kVK_ANSI_7: return "7";
case kVK_ANSI_8: return "8";
case kVK_ANSI_9: return "9";
case kVK_ANSI_0: return "0";
case kVK_ANSI_Equal: return "Equal";
case kVK_ANSI_Minus: return "Minus";
case kVK_ANSI_RightBracket: return "RightBracket";
case kVK_ANSI_LeftBracket: return "LeftBracket";
case kVK_ANSI_Quote: return "Quote";
case kVK_ANSI_Semicolon: return "Semicolon";
case kVK_ANSI_Backslash: return "Backslash";
case kVK_ANSI_Comma: return "Comma";
case kVK_ANSI_Slash: return "Slash";
case kVK_ANSI_Period: return "Period";
case kVK_ANSI_Grave: return "Grave";
default: return "undefined";
}
}
static const char*
GetCharacters(const NSString* aString)
{
nsAutoString str;
nsCocoaUtils::GetStringForNSString(aString, str);
if (str.IsEmpty()) {
return "";
}
nsAutoString escapedStr;
for (uint32_t i = 0; i < str.Length(); i++) {
PRUnichar ch = str[i];
if (ch < 0x20) {
nsPrintfCString utf8str("(U+%04X)", ch);
escapedStr += NS_ConvertUTF8toUTF16(utf8str);
} else if (ch <= 0x7E) {
escapedStr += ch;
} else {
nsPrintfCString utf8str("(U+%04X)", ch);
escapedStr += ch;
escapedStr += NS_ConvertUTF8toUTF16(utf8str);
}
}
// the result will be freed automatically by cocoa.
NSString* result = nsCocoaUtils::ToNSString(escapedStr);
return [result UTF8String];
}
static const char*
GetCharacters(const CFStringRef aString)
{
const NSString* str = reinterpret_cast<const NSString*>(aString);
return GetCharacters(str);
}
static const char*
GetNativeKeyEventType(NSEvent* aNativeEvent)
{
switch ([aNativeEvent type]) {
case NSKeyDown: return "NSKeyDown";
case NSKeyUp: return "NSKeyUp";
case NSFlagsChanged: return "NSFlagsChanged";
default: return "not key event";
}
}
static const char*
GetGeckoKeyEventType(const WidgetEvent& aEvent)
{
switch (aEvent.message) {
case NS_KEY_DOWN: return "NS_KEY_DOWN";
case NS_KEY_UP: return "NS_KEY_UP";
case NS_KEY_PRESS: return "NS_KEY_PRESS";
default: return "not key event";
}
}
static const char*
GetRangeTypeName(uint32_t aRangeType)
{
switch (aRangeType) {
case NS_TEXTRANGE_RAWINPUT:
return "NS_TEXTRANGE_RAWINPUT";
case NS_TEXTRANGE_CONVERTEDTEXT:
return "NS_TEXTRANGE_CONVERTEDTEXT";
case NS_TEXTRANGE_SELECTEDRAWTEXT:
return "NS_TEXTRANGE_SELECTEDRAWTEXT";
case NS_TEXTRANGE_SELECTEDCONVERTEDTEXT:
return "NS_TEXTRANGE_SELECTEDCONVERTEDTEXT";
case NS_TEXTRANGE_CARETPOSITION:
return "NS_TEXTRANGE_CARETPOSITION";
default:
return "invalid range type";
}
}
static const char*
GetWindowLevelName(NSInteger aWindowLevel)
{
switch (aWindowLevel) {
case kCGBaseWindowLevelKey:
return "kCGBaseWindowLevelKey (NSNormalWindowLevel)";
case kCGMinimumWindowLevelKey:
return "kCGMinimumWindowLevelKey";
case kCGDesktopWindowLevelKey:
return "kCGDesktopWindowLevelKey";
case kCGBackstopMenuLevelKey:
return "kCGBackstopMenuLevelKey";
case kCGNormalWindowLevelKey:
return "kCGNormalWindowLevelKey";
case kCGFloatingWindowLevelKey:
return "kCGFloatingWindowLevelKey (NSFloatingWindowLevel)";
case kCGTornOffMenuWindowLevelKey:
return "kCGTornOffMenuWindowLevelKey (NSSubmenuWindowLevel, NSTornOffMenuWindowLevel)";
case kCGDockWindowLevelKey:
return "kCGDockWindowLevelKey (NSDockWindowLevel)";
case kCGMainMenuWindowLevelKey:
return "kCGMainMenuWindowLevelKey (NSMainMenuWindowLevel)";
case kCGStatusWindowLevelKey:
return "kCGStatusWindowLevelKey (NSStatusWindowLevel)";
case kCGModalPanelWindowLevelKey:
return "kCGModalPanelWindowLevelKey (NSModalPanelWindowLevel)";
case kCGPopUpMenuWindowLevelKey:
return "kCGPopUpMenuWindowLevelKey (NSPopUpMenuWindowLevel)";
case kCGDraggingWindowLevelKey:
return "kCGDraggingWindowLevelKey";
case kCGScreenSaverWindowLevelKey:
return "kCGScreenSaverWindowLevelKey (NSScreenSaverWindowLevel)";
case kCGMaximumWindowLevelKey:
return "kCGMaximumWindowLevelKey";
case kCGOverlayWindowLevelKey:
return "kCGOverlayWindowLevelKey";
case kCGHelpWindowLevelKey:
return "kCGHelpWindowLevelKey";
case kCGUtilityWindowLevelKey:
return "kCGUtilityWindowLevelKey";
case kCGDesktopIconWindowLevelKey:
return "kCGDesktopIconWindowLevelKey";
case kCGCursorWindowLevelKey:
return "kCGCursorWindowLevelKey";
case kCGNumberOfWindowLevelKeys:
return "kCGNumberOfWindowLevelKeys";
default:
return "unknown window level";
}
}
#endif // #ifdef PR_LOGGING
static bool
IsControlChar(uint32_t aCharCode)
{
return aCharCode < ' ' || aCharCode == 0x7F;
}
static uint32_t gHandlerInstanceCount = 0;
static TISInputSourceWrapper gCurrentInputSource;
static void
InitLogModule()
{
#ifdef PR_LOGGING
// Clear() is always called when TISInputSourceWrappper is created.
if (!gLog) {
gLog = PR_NewLogModule("TextInputHandlerWidgets");
TextInputHandler::DebugPrintAllKeyboardLayouts();
IMEInputHandler::DebugPrintAllIMEModes();
}
#endif
}
static void
InitCurrentInputSource()
{
if (gHandlerInstanceCount > 0 &&
!gCurrentInputSource.IsInitializedByCurrentInputSource()) {
gCurrentInputSource.InitByCurrentInputSource();
}
}
static void
FinalizeCurrentInputSource()
{
gCurrentInputSource.Clear();
}
#pragma mark -
/******************************************************************************
*
* TISInputSourceWrapper implementation
*
******************************************************************************/
// static
TISInputSourceWrapper&
TISInputSourceWrapper::CurrentInputSource()
{
InitCurrentInputSource();
return gCurrentInputSource;
}
bool
TISInputSourceWrapper::TranslateToString(UInt32 aKeyCode, UInt32 aModifiers,
UInt32 aKbType, nsAString &aStr)
{
aStr.Truncate();
const UCKeyboardLayout* UCKey = GetUCKeyboardLayout();
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TISInputSourceWrapper::TranslateToString, aKeyCode=0x%X, "
"aModifiers=0x%X, aKbType=0x%X UCKey=%p\n "
"Shift: %s, Ctrl: %s, Opt: %s, Cmd: %s, CapsLock: %s, NumLock: %s",
this, aKeyCode, aModifiers, aKbType, UCKey,
OnOrOff(aModifiers & shiftKey), OnOrOff(aModifiers & controlKey),
OnOrOff(aModifiers & optionKey), OnOrOff(aModifiers & cmdKey),
OnOrOff(aModifiers & alphaLock),
OnOrOff(aModifiers & kEventKeyModifierNumLockMask)));
NS_ENSURE_TRUE(UCKey, false);
UInt32 deadKeyState = 0;
UniCharCount len;
UniChar chars[5];
OSStatus err = ::UCKeyTranslate(UCKey, aKeyCode,
kUCKeyActionDown, aModifiers >> 8,
aKbType, kUCKeyTranslateNoDeadKeysMask,
&deadKeyState, 5, &len, chars);
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TISInputSourceWrapper::TranslateToString, err=0x%X, len=%llu",
this, err, len));
NS_ENSURE_TRUE(err == noErr, false);
if (len == 0) {
return true;
}
NS_ENSURE_TRUE(EnsureStringLength(aStr, len), false);
NS_ASSERTION(sizeof(PRUnichar) == sizeof(UniChar),
"size of PRUnichar and size of UniChar are different");
memcpy(aStr.BeginWriting(), chars, len * sizeof(PRUnichar));
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TISInputSourceWrapper::TranslateToString, aStr=\"%s\"",
this, NS_ConvertUTF16toUTF8(aStr).get()));
return true;
}
uint32_t
TISInputSourceWrapper::TranslateToChar(UInt32 aKeyCode, UInt32 aModifiers,
UInt32 aKbType)
{
nsAutoString str;
if (!TranslateToString(aKeyCode, aModifiers, aKbType, str) ||
str.Length() != 1) {
return 0;
}
return static_cast<uint32_t>(str.CharAt(0));
}
void
TISInputSourceWrapper::InitByInputSourceID(const char* aID)
{
Clear();
if (!aID)
return;
CFStringRef idstr = ::CFStringCreateWithCString(kCFAllocatorDefault, aID,
kCFStringEncodingASCII);
InitByInputSourceID(idstr);
::CFRelease(idstr);
}
void
TISInputSourceWrapper::InitByInputSourceID(const nsAFlatString &aID)
{
Clear();
if (aID.IsEmpty())
return;
CFStringRef idstr = ::CFStringCreateWithCharacters(kCFAllocatorDefault,
reinterpret_cast<const UniChar*>(aID.get()),
aID.Length());
InitByInputSourceID(idstr);
::CFRelease(idstr);
}
void
TISInputSourceWrapper::InitByInputSourceID(const CFStringRef aID)
{
Clear();
if (!aID)
return;
const void* keys[] = { kTISPropertyInputSourceID };
const void* values[] = { aID };
CFDictionaryRef filter =
::CFDictionaryCreate(kCFAllocatorDefault, keys, values, 1, NULL, NULL);
NS_ASSERTION(filter, "failed to create the filter");
mInputSourceList = ::TISCreateInputSourceList(filter, true);
::CFRelease(filter);
if (::CFArrayGetCount(mInputSourceList) > 0) {
mInputSource = static_cast<TISInputSourceRef>(
const_cast<void *>(::CFArrayGetValueAtIndex(mInputSourceList, 0)));
if (IsKeyboardLayout()) {
mKeyboardLayout = mInputSource;
}
}
}
void
TISInputSourceWrapper::InitByLayoutID(SInt32 aLayoutID,
bool aOverrideKeyboard)
{
// NOTE: Doument new layout IDs in TextInputHandler.h when you add ones.
switch (aLayoutID) {
case 0:
InitByInputSourceID("com.apple.keylayout.US");
break;
case 1:
InitByInputSourceID("com.apple.keylayout.Greek");
break;
case 2:
InitByInputSourceID("com.apple.keylayout.German");
break;
case 3:
InitByInputSourceID("com.apple.keylayout.Swedish-Pro");
break;
case 4:
InitByInputSourceID("com.apple.keylayout.DVORAK-QWERTYCMD");
break;
case 5:
InitByInputSourceID("com.apple.keylayout.Thai");
break;
default:
Clear();
break;
}
mOverrideKeyboard = aOverrideKeyboard;
}
void
TISInputSourceWrapper::InitByCurrentInputSource()
{
Clear();
mInputSource = ::TISCopyCurrentKeyboardInputSource();
mKeyboardLayout = ::TISCopyInputMethodKeyboardLayoutOverride();
if (!mKeyboardLayout) {
mKeyboardLayout = ::TISCopyCurrentKeyboardLayoutInputSource();
}
// If this causes composition, the current keyboard layout may input non-ASCII
// characters such as Japanese Kana characters or Hangul characters.
// However, we need to set ASCII characters to DOM key events for consistency
// with other platforms.
if (IsOpenedIMEMode()) {
TISInputSourceWrapper tis(mKeyboardLayout);
if (!tis.IsASCIICapable()) {
mKeyboardLayout =
::TISCopyCurrentASCIICapableKeyboardLayoutInputSource();
}
}
}
void
TISInputSourceWrapper::InitByCurrentKeyboardLayout()
{
Clear();
mInputSource = ::TISCopyCurrentKeyboardLayoutInputSource();
mKeyboardLayout = mInputSource;
}
void
TISInputSourceWrapper::InitByCurrentASCIICapableInputSource()
{
Clear();
mInputSource = ::TISCopyCurrentASCIICapableKeyboardInputSource();
mKeyboardLayout = ::TISCopyInputMethodKeyboardLayoutOverride();
if (mKeyboardLayout) {
TISInputSourceWrapper tis(mKeyboardLayout);
if (!tis.IsASCIICapable()) {
mKeyboardLayout = nullptr;
}
}
if (!mKeyboardLayout) {
mKeyboardLayout =
::TISCopyCurrentASCIICapableKeyboardLayoutInputSource();
}
}
void
TISInputSourceWrapper::InitByCurrentASCIICapableKeyboardLayout()
{
Clear();
mInputSource = ::TISCopyCurrentASCIICapableKeyboardLayoutInputSource();
mKeyboardLayout = mInputSource;
}
void
TISInputSourceWrapper::InitByCurrentInputMethodKeyboardLayoutOverride()
{
Clear();
mInputSource = ::TISCopyInputMethodKeyboardLayoutOverride();
mKeyboardLayout = mInputSource;
}
void
TISInputSourceWrapper::InitByTISInputSourceRef(TISInputSourceRef aInputSource)
{
Clear();
mInputSource = aInputSource;
if (IsKeyboardLayout()) {
mKeyboardLayout = mInputSource;
}
}
void
TISInputSourceWrapper::InitByLanguage(CFStringRef aLanguage)
{
Clear();
mInputSource = ::TISCopyInputSourceForLanguage(aLanguage);
if (IsKeyboardLayout()) {
mKeyboardLayout = mInputSource;
}
}
const UCKeyboardLayout*
TISInputSourceWrapper::GetUCKeyboardLayout()
{
NS_ENSURE_TRUE(mKeyboardLayout, nullptr);
if (mUCKeyboardLayout) {
return mUCKeyboardLayout;
}
CFDataRef uchr = static_cast<CFDataRef>(
::TISGetInputSourceProperty(mKeyboardLayout,
kTISPropertyUnicodeKeyLayoutData));
// We should be always able to get the layout here.
NS_ENSURE_TRUE(uchr, nullptr);
mUCKeyboardLayout =
reinterpret_cast<const UCKeyboardLayout*>(CFDataGetBytePtr(uchr));
return mUCKeyboardLayout;
}
bool
TISInputSourceWrapper::GetBoolProperty(const CFStringRef aKey)
{
CFBooleanRef ret = static_cast<CFBooleanRef>(
::TISGetInputSourceProperty(mInputSource, aKey));
return ::CFBooleanGetValue(ret);
}
bool
TISInputSourceWrapper::GetStringProperty(const CFStringRef aKey,
CFStringRef &aStr)
{
aStr = static_cast<CFStringRef>(
::TISGetInputSourceProperty(mInputSource, aKey));
return aStr != nullptr;
}
bool
TISInputSourceWrapper::GetStringProperty(const CFStringRef aKey,
nsAString &aStr)
{
CFStringRef str;
GetStringProperty(aKey, str);
nsCocoaUtils::GetStringForNSString((const NSString*)str, aStr);
return !aStr.IsEmpty();
}
bool
TISInputSourceWrapper::IsOpenedIMEMode()
{
NS_ENSURE_TRUE(mInputSource, false);
if (!IsIMEMode())
return false;
return !IsASCIICapable();
}
bool
TISInputSourceWrapper::IsIMEMode()
{
NS_ENSURE_TRUE(mInputSource, false);
CFStringRef str;
GetInputSourceType(str);
NS_ENSURE_TRUE(str, false);
return ::CFStringCompare(kTISTypeKeyboardInputMode,
str, 0) == kCFCompareEqualTo;
}
bool
TISInputSourceWrapper::IsKeyboardLayout()
{
NS_ENSURE_TRUE(mInputSource, false);
CFStringRef str;
GetInputSourceType(str);
NS_ENSURE_TRUE(str, false);
return ::CFStringCompare(kTISTypeKeyboardLayout,
str, 0) == kCFCompareEqualTo;
}
bool
TISInputSourceWrapper::GetLanguageList(CFArrayRef &aLanguageList)
{
NS_ENSURE_TRUE(mInputSource, false);
aLanguageList = static_cast<CFArrayRef>(
::TISGetInputSourceProperty(mInputSource,
kTISPropertyInputSourceLanguages));
return aLanguageList != nullptr;
}
bool
TISInputSourceWrapper::GetPrimaryLanguage(CFStringRef &aPrimaryLanguage)
{
NS_ENSURE_TRUE(mInputSource, false);
CFArrayRef langList;
NS_ENSURE_TRUE(GetLanguageList(langList), false);
if (::CFArrayGetCount(langList) == 0)
return false;
aPrimaryLanguage =
static_cast<CFStringRef>(::CFArrayGetValueAtIndex(langList, 0));
return aPrimaryLanguage != nullptr;
}
bool
TISInputSourceWrapper::GetPrimaryLanguage(nsAString &aPrimaryLanguage)
{
NS_ENSURE_TRUE(mInputSource, false);
CFStringRef primaryLanguage;
NS_ENSURE_TRUE(GetPrimaryLanguage(primaryLanguage), false);
nsCocoaUtils::GetStringForNSString((const NSString*)primaryLanguage,
aPrimaryLanguage);
return !aPrimaryLanguage.IsEmpty();
}
bool
TISInputSourceWrapper::IsForRTLLanguage()
{
if (mIsRTL < 0) {
// Get the input character of the 'A' key of ANSI keyboard layout.
nsAutoString str;
bool ret = TranslateToString(kVK_ANSI_A, 0, eKbdType_ANSI, str);
NS_ENSURE_TRUE(ret, ret);
PRUnichar ch = str.IsEmpty() ? PRUnichar(0) : str.CharAt(0);
mIsRTL = UCS2_CHAR_IS_BIDI(ch) || ch == 0xD802 || ch == 0xD803;
}
return mIsRTL != 0;
}
bool
TISInputSourceWrapper::IsInitializedByCurrentInputSource()
{
return mInputSource == ::TISCopyCurrentKeyboardInputSource();
}
void
TISInputSourceWrapper::Select()
{
if (!mInputSource)
return;
::TISSelectInputSource(mInputSource);
}
void
TISInputSourceWrapper::Clear()
{
// Clear() is always called when TISInputSourceWrappper is created.
InitLogModule();
if (mInputSourceList) {
::CFRelease(mInputSourceList);
}
mInputSourceList = nullptr;
mInputSource = nullptr;
mKeyboardLayout = nullptr;
mIsRTL = -1;
mUCKeyboardLayout = nullptr;
mOverrideKeyboard = false;
}
void
TISInputSourceWrapper::InitKeyEvent(NSEvent *aNativeKeyEvent,
WidgetKeyboardEvent& aKeyEvent,
const nsAString *aInsertString)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TISInputSourceWrapper::InitKeyEvent, aNativeKeyEvent=%p, "
"aKeyEvent.message=%s, aInsertString=%p",
this, aNativeKeyEvent, GetGeckoKeyEventType(aKeyEvent), aInsertString));
NS_ENSURE_TRUE(aNativeKeyEvent, );
nsCocoaUtils::InitInputEvent(aKeyEvent, aNativeKeyEvent);
// This is used only while dispatching the event (which is a synchronous
// call), so there is no need to retain and release this data.
aKeyEvent.mNativeKeyEvent = aNativeKeyEvent;
aKeyEvent.refPoint = LayoutDeviceIntPoint(0, 0);
// If a keyboard layout override is set, we also need to force the keyboard
// type to something ANSI to avoid test failures on machines with JIS
// keyboards (since the pair of keyboard layout and physical keyboard type
// form the actual key layout). This assumes that the test setting the
// override was written assuming an ANSI keyboard.
UInt32 kbType = mOverrideKeyboard ? eKbdType_ANSI : ::LMGetKbdType();
UInt32 nativeKeyCode = [aNativeKeyEvent keyCode];
bool isPrintableKey = !TextInputHandler::IsSpecialGeckoKey(nativeKeyCode);
if (isPrintableKey &&
[aNativeKeyEvent type] != NSKeyDown &&
[aNativeKeyEvent type] != NSKeyUp) {
NS_WARNING("Why the printable key doesn't cause NSKeyDown or NSKeyUp?");
isPrintableKey = false;
}
// Decide what string will be input.
nsAutoString insertString;
if (aInsertString) {
// If the caller expects that the aInsertString will be input, we shouldn't
// change it.
insertString = *aInsertString;
} else if (isPrintableKey) {
// If IME is open, [aNativeKeyEvent characters] may be a character
// which will be appended to the composition string. However, especially,
// while IME is disabled, most users and developers expect the key event
// works as IME closed. So, we should compute the insertString with
// the ASCII capable keyboard layout.
// NOTE: Such keyboard layouts typically change the layout to its ASCII
// capable layout when Command key is pressed. And we don't worry
// when Control key is pressed too because it causes inputting
// control characters.
if (!aKeyEvent.IsMeta() && !aKeyEvent.IsControl() && IsOpenedIMEMode()) {
UInt32 state =
nsCocoaUtils::ConvertToCarbonModifier([aNativeKeyEvent modifierFlags]);
uint32_t ch = TranslateToChar(nativeKeyCode, state, kbType);
if (ch) {
insertString = ch;
}
} else {
// If the caller isn't sure what string will be input, let's use
// characters of NSEvent.
nsCocoaUtils::GetStringForNSString([aNativeKeyEvent characters],
insertString);
}
// If control key is pressed and the eventChars is a non-printable control
// character, we should convert it to ASCII alphabet.
if (aKeyEvent.IsControl() &&
!insertString.IsEmpty() && insertString[0] <= PRUnichar(26)) {
insertString = (aKeyEvent.IsShift() ^ aKeyEvent.IsCapsLocked()) ?
static_cast<PRUnichar>(insertString[0] + ('A' - 1)) :
static_cast<PRUnichar>(insertString[0] + ('a' - 1));
}
// If Meta key is pressed, it may cause to switch the keyboard layout like
// Arabic, Russian, Hebrew, Greek and Dvorak-QWERTY.
else if (aKeyEvent.IsMeta() &&
!(aKeyEvent.IsControl() || aKeyEvent.IsAlt())) {
UInt32 numLockState =
aKeyEvent.IsNumLocked() ? kEventKeyModifierNumLockMask : 0;
UInt32 capsLockState = aKeyEvent.IsCapsLocked() ? alphaLock : 0;
UInt32 shiftState = aKeyEvent.IsShift() ? shiftKey : 0;
uint32_t uncmdedChar =
TranslateToChar(nativeKeyCode, numLockState, kbType);
uint32_t cmdedChar =
TranslateToChar(nativeKeyCode, cmdKey | numLockState, kbType);
// If we can make a good guess at the characters that the user would
// expect this key combination to produce (with and without Shift) then
// use those characters. This also corrects for CapsLock.
uint32_t ch = 0;
if (uncmdedChar == cmdedChar) {
// The characters produced with Command seem similar to those without
// Command.
ch = TranslateToChar(nativeKeyCode,
shiftState | capsLockState | numLockState, kbType);
} else {
TISInputSourceWrapper USLayout("com.apple.keylayout.US");
uint32_t uncmdedUSChar =
USLayout.TranslateToChar(nativeKeyCode, numLockState, kbType);
// If it looks like characters from US keyboard layout when Command key
// is pressed, we should compute a character in the layout.
if (uncmdedUSChar == cmdedChar) {
ch = USLayout.TranslateToChar(nativeKeyCode,
shiftState | capsLockState | numLockState, kbType);
}
}
// If there is a more preferred character for the commanded key event,
// we should use it.
if (ch) {
insertString = ch;
}
}
}
// Remove control characters which shouldn't be inputted on editor.
// XXX Currently, we don't find any cases inserting control characters with
// printable character. So, just checking first character is enough.
if (!insertString.IsEmpty() && IsControlChar(insertString[0])) {
insertString.Truncate();
}
aKeyEvent.keyCode =
ComputeGeckoKeyCode(nativeKeyCode, kbType, aKeyEvent.IsMeta());
switch (nativeKeyCode) {
case kVK_Command:
case kVK_Shift:
case kVK_Option:
case kVK_Control:
aKeyEvent.location = nsIDOMKeyEvent::DOM_KEY_LOCATION_LEFT;
break;
case kVK_RightCommand:
case kVK_RightShift:
case kVK_RightOption:
case kVK_RightControl:
aKeyEvent.location = nsIDOMKeyEvent::DOM_KEY_LOCATION_RIGHT;
break;
case kVK_ANSI_Keypad0:
case kVK_ANSI_Keypad1:
case kVK_ANSI_Keypad2:
case kVK_ANSI_Keypad3:
case kVK_ANSI_Keypad4:
case kVK_ANSI_Keypad5:
case kVK_ANSI_Keypad6:
case kVK_ANSI_Keypad7:
case kVK_ANSI_Keypad8:
case kVK_ANSI_Keypad9:
case kVK_ANSI_KeypadMultiply:
case kVK_ANSI_KeypadPlus:
case kVK_ANSI_KeypadMinus:
case kVK_ANSI_KeypadDecimal:
case kVK_ANSI_KeypadDivide:
case kVK_ANSI_KeypadEquals:
case kVK_ANSI_KeypadEnter:
case kVK_JIS_KeypadComma:
case kVK_Powerbook_KeypadEnter:
aKeyEvent.location = nsIDOMKeyEvent::DOM_KEY_LOCATION_NUMPAD;
break;
default:
aKeyEvent.location = nsIDOMKeyEvent::DOM_KEY_LOCATION_STANDARD;
break;
}
aKeyEvent.mIsRepeat =
([aNativeKeyEvent type] == NSKeyDown) ? [aNativeKeyEvent isARepeat] : false;
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TISInputSourceWrapper::InitKeyEvent, "
"shift=%s, ctrl=%s, alt=%s, meta=%s",
this, OnOrOff(aKeyEvent.IsShift()), OnOrOff(aKeyEvent.IsControl()),
OnOrOff(aKeyEvent.IsAlt()), OnOrOff(aKeyEvent.IsMeta())));
if (aKeyEvent.message == NS_KEY_PRESS &&
(isPrintableKey || !insertString.IsEmpty())) {
InitKeyPressEvent(aNativeKeyEvent,
insertString.IsEmpty() ? 0 : insertString[0],
aKeyEvent, kbType);
MOZ_ASSERT(!aKeyEvent.charCode || !IsControlChar(aKeyEvent.charCode),
"charCode must not be a control character");
} else {
aKeyEvent.charCode = 0;
aKeyEvent.isChar = false; // XXX not used in XP level
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TISInputSourceWrapper::InitKeyEvent, keyCode=0x%X charCode=0x0",
this, aKeyEvent.keyCode));
}
// Compute the key for non-printable keys and some special printable keys.
aKeyEvent.mKeyNameIndex = ComputeGeckoKeyNameIndex(nativeKeyCode);
if (isPrintableKey &&
aKeyEvent.mKeyNameIndex == KEY_NAME_INDEX_Unidentified) {
// If the key name isn't in the list and the key is a printable key but
// inserting no characters without control key nor command key, then,
// check if the key is dead key.
if (insertString.IsEmpty() &&
!aKeyEvent.IsControl() && !aKeyEvent.IsMeta()) {
UInt32 state =
nsCocoaUtils::ConvertToCarbonModifier([aNativeKeyEvent modifierFlags]);
uint32_t ch = TranslateToChar(nativeKeyCode, state, kbType);
if (ch) {
aKeyEvent.mKeyNameIndex =
WidgetUtils::GetDeadKeyNameIndex(static_cast<PRUnichar>(ch));
}
}
// If the printable key isn't a dead key, we should set printable key name
// for now.
if (aKeyEvent.mKeyNameIndex == KEY_NAME_INDEX_Unidentified) {
aKeyEvent.mKeyNameIndex = KEY_NAME_INDEX_PrintableKey;
}
}
NS_OBJC_END_TRY_ABORT_BLOCK
}
void
TISInputSourceWrapper::InitKeyPressEvent(NSEvent *aNativeKeyEvent,
PRUnichar aInsertChar,
WidgetKeyboardEvent& aKeyEvent,
UInt32 aKbType)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
NS_ASSERTION(aKeyEvent.message == NS_KEY_PRESS,
"aKeyEvent must be NS_KEY_PRESS event");
#ifdef PR_LOGGING
if (PR_LOG_TEST(gLog, PR_LOG_ALWAYS)) {
nsAutoString chars;
nsCocoaUtils::GetStringForNSString([aNativeKeyEvent characters], chars);
NS_ConvertUTF16toUTF8 utf8Chars(chars);
PRUnichar expectedChar = static_cast<PRUnichar>(aInsertChar);
NS_ConvertUTF16toUTF8 utf8ExpectedChar(&expectedChar, 1);
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TISInputSourceWrapper::InitKeyPressEvent, aNativeKeyEvent=%p, "
"[aNativeKeyEvent characters]=\"%s\", aInsertChar=0x%X(%s), "
"aKeyEvent.message=%s, aKbType=0x%X, IsOpenedIMEMode()=%s",
this, aNativeKeyEvent, utf8Chars.get(), aInsertChar,
utf8ExpectedChar.get(), GetGeckoKeyEventType(aKeyEvent), aKbType,
TrueOrFalse(IsOpenedIMEMode())));
}
#endif // #ifdef PR_LOGGING
aKeyEvent.isChar = true; // this is not a special key XXX not used in XP
aKeyEvent.charCode = aInsertChar;
if (aKeyEvent.charCode != 0) {
aKeyEvent.keyCode = 0;
}
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TISInputSourceWrapper::InitKeyPressEvent, "
"aKeyEvent.keyCode=0x%X, aKeyEvent.charCode=0x%X",
this, aKeyEvent.keyCode, aKeyEvent.charCode));
if (!aKeyEvent.IsControl() && !aKeyEvent.IsMeta() && !aKeyEvent.IsAlt()) {
return;
}
TISInputSourceWrapper USLayout("com.apple.keylayout.US");
bool isRomanKeyboardLayout = IsASCIICapable();
UInt32 key = [aNativeKeyEvent keyCode];
// Caps lock and num lock modifier state:
UInt32 lockState = 0;
if ([aNativeKeyEvent modifierFlags] & NSAlphaShiftKeyMask) {
lockState |= alphaLock;
}
if ([aNativeKeyEvent modifierFlags] & NSNumericPadKeyMask) {
lockState |= kEventKeyModifierNumLockMask;
}
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TISInputSourceWrapper::InitKeyPressEvent, "
"isRomanKeyboardLayout=%s, key=0x%X",
this, TrueOrFalse(isRomanKeyboardLayout), aKbType, key));
nsString str;
// normal chars
uint32_t unshiftedChar = TranslateToChar(key, lockState, aKbType);
UInt32 shiftLockMod = shiftKey | lockState;
uint32_t shiftedChar = TranslateToChar(key, shiftLockMod, aKbType);
// characters generated with Cmd key
// XXX we should remove CapsLock state, which changes characters from
// Latin to Cyrillic with Russian layout on 10.4 only when Cmd key
// is pressed.
UInt32 numState = (lockState & ~alphaLock); // only num lock state
uint32_t uncmdedChar = TranslateToChar(key, numState, aKbType);
UInt32 shiftNumMod = numState | shiftKey;
uint32_t uncmdedShiftChar = TranslateToChar(key, shiftNumMod, aKbType);
uint32_t uncmdedUSChar = USLayout.TranslateToChar(key, numState, aKbType);
UInt32 cmdNumMod = cmdKey | numState;
uint32_t cmdedChar = TranslateToChar(key, cmdNumMod, aKbType);
UInt32 cmdShiftNumMod = shiftKey | cmdNumMod;
uint32_t cmdedShiftChar = TranslateToChar(key, cmdShiftNumMod, aKbType);
// Is the keyboard layout changed by Cmd key?
// E.g., Arabic, Russian, Hebrew, Greek and Dvorak-QWERTY.
bool isCmdSwitchLayout = uncmdedChar != cmdedChar;
// Is the keyboard layout for Latin, but Cmd key switches the layout?
// I.e., Dvorak-QWERTY
bool isDvorakQWERTY = isCmdSwitchLayout && isRomanKeyboardLayout;
// If the current keyboard is not Dvorak-QWERTY or Cmd is not pressed,
// we should append unshiftedChar and shiftedChar for handling the
// normal characters. These are the characters that the user is most
// likely to associate with this key.
if ((unshiftedChar || shiftedChar) &&
(!aKeyEvent.IsMeta() || !isDvorakQWERTY)) {
AlternativeCharCode altCharCodes(unshiftedChar, shiftedChar);
aKeyEvent.alternativeCharCodes.AppendElement(altCharCodes);
}
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TISInputSourceWrapper::InitKeyPressEvent, "
"aKeyEvent.isMeta=%s, isDvorakQWERTY=%s, "
"unshiftedChar=U+%X, shiftedChar=U+%X",
this, OnOrOff(aKeyEvent.IsMeta()), TrueOrFalse(isDvorakQWERTY),
unshiftedChar, shiftedChar));
// Most keyboard layouts provide the same characters in the NSEvents
// with Command+Shift as with Command. However, with Command+Shift we
// want the character on the second level. e.g. With a US QWERTY
// layout, we want "?" when the "/","?" key is pressed with
// Command+Shift.
// On a German layout, the OS gives us '/' with Cmd+Shift+SS(eszett)
// even though Cmd+SS is 'SS' and Shift+'SS' is '?'. This '/' seems
// like a hack to make the Cmd+"?" event look the same as the Cmd+"?"
// event on a US keyboard. The user thinks they are typing Cmd+"?", so
// we'll prefer the "?" character, replacing charCode with shiftedChar
// when Shift is pressed. However, in case there is a layout where the
// character unique to Cmd+Shift is the character that the user expects,
// we'll send it as an alternative char.
bool hasCmdShiftOnlyChar =
cmdedChar != cmdedShiftChar && uncmdedShiftChar != cmdedShiftChar;
uint32_t originalCmdedShiftChar = cmdedShiftChar;
// If we can make a good guess at the characters that the user would
// expect this key combination to produce (with and without Shift) then
// use those characters. This also corrects for CapsLock, which was
// ignored above.
if (!isCmdSwitchLayout) {
// The characters produced with Command seem similar to those without
// Command.
if (unshiftedChar) {
cmdedChar = unshiftedChar;
}
if (shiftedChar) {
cmdedShiftChar = shiftedChar;
}
} else if (uncmdedUSChar == cmdedChar) {
// It looks like characters from a US layout are provided when Command
// is down.
uint32_t ch = USLayout.TranslateToChar(key, lockState, aKbType);
if (ch) {
cmdedChar = ch;
}
ch = USLayout.TranslateToChar(key, shiftLockMod, aKbType);
if (ch) {
cmdedShiftChar = ch;
}
}
// If the current keyboard layout is switched by the Cmd key,
// we should append cmdedChar and shiftedCmdChar that are
// Latin char for the key.
// If the keyboard layout is Dvorak-QWERTY, we should append them only when
// command key is pressed because when command key isn't pressed, uncmded
// chars have been appended already.
if ((cmdedChar || cmdedShiftChar) && isCmdSwitchLayout &&
(aKeyEvent.IsMeta() || !isDvorakQWERTY)) {
AlternativeCharCode altCharCodes(cmdedChar, cmdedShiftChar);
aKeyEvent.alternativeCharCodes.AppendElement(altCharCodes);
}
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TISInputSourceWrapper::InitKeyPressEvent, "
"hasCmdShiftOnlyChar=%s, isCmdSwitchLayout=%s, isDvorakQWERTY=%s, "
"cmdedChar=U+%X, cmdedShiftChar=U+%X",
this, TrueOrFalse(hasCmdShiftOnlyChar), TrueOrFalse(isDvorakQWERTY),
TrueOrFalse(isDvorakQWERTY), cmdedChar, cmdedShiftChar));
// Special case for 'SS' key of German layout. See the comment of
// hasCmdShiftOnlyChar definition for the detail.
if (hasCmdShiftOnlyChar && originalCmdedShiftChar) {
AlternativeCharCode altCharCodes(0, originalCmdedShiftChar);
aKeyEvent.alternativeCharCodes.AppendElement(altCharCodes);
}
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TISInputSourceWrapper::InitKeyPressEvent, "
"hasCmdShiftOnlyChar=%s, originalCmdedShiftChar=U+%X",
this, TrueOrFalse(hasCmdShiftOnlyChar), originalCmdedShiftChar));
NS_OBJC_END_TRY_ABORT_BLOCK
}
uint32_t
TISInputSourceWrapper::ComputeGeckoKeyCode(UInt32 aNativeKeyCode,
UInt32 aKbType,
bool aCmdIsPressed)
{
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TISInputSourceWrapper::ComputeGeckoKeyCode, aNativeKeyCode=0x%X, "
"aKbType=0x%X, aCmdIsPressed=%s, IsOpenedIMEMode()=%s, "
"IsASCIICapable()=%s",
this, aNativeKeyCode, aKbType, TrueOrFalse(aCmdIsPressed),
TrueOrFalse(IsOpenedIMEMode()), TrueOrFalse(IsASCIICapable())));
switch (aNativeKeyCode) {
case kVK_Space: return NS_VK_SPACE;
case kVK_Escape: return NS_VK_ESCAPE;
// modifiers
case kVK_RightCommand:
case kVK_Command: return NS_VK_META;
case kVK_RightShift:
case kVK_Shift: return NS_VK_SHIFT;
case kVK_CapsLock: return NS_VK_CAPS_LOCK;
case kVK_RightControl:
case kVK_Control: return NS_VK_CONTROL;
case kVK_RightOption:
case kVK_Option: return NS_VK_ALT;
case kVK_ANSI_KeypadClear: return NS_VK_CLEAR;
// function keys
case kVK_F1: return NS_VK_F1;
case kVK_F2: return NS_VK_F2;
case kVK_F3: return NS_VK_F3;
case kVK_F4: return NS_VK_F4;
case kVK_F5: return NS_VK_F5;
case kVK_F6: return NS_VK_F6;
case kVK_F7: return NS_VK_F7;
case kVK_F8: return NS_VK_F8;
case kVK_F9: return NS_VK_F9;
case kVK_F10: return NS_VK_F10;
case kVK_F11: return NS_VK_F11;
case kVK_F12: return NS_VK_F12;
// case kVK_F13: return NS_VK_F13; // clash with the 3 below
// case kVK_F14: return NS_VK_F14;
// case kVK_F15: return NS_VK_F15;
case kVK_F16: return NS_VK_F16;
case kVK_F17: return NS_VK_F17;
case kVK_F18: return NS_VK_F18;
case kVK_F19: return NS_VK_F19;
case kVK_PC_Pause: return NS_VK_PAUSE;
case kVK_PC_ScrollLock: return NS_VK_SCROLL_LOCK;
case kVK_PC_PrintScreen: return NS_VK_PRINTSCREEN;
// keypad
case kVK_ANSI_Keypad0: return NS_VK_NUMPAD0;
case kVK_ANSI_Keypad1: return NS_VK_NUMPAD1;
case kVK_ANSI_Keypad2: return NS_VK_NUMPAD2;
case kVK_ANSI_Keypad3: return NS_VK_NUMPAD3;
case kVK_ANSI_Keypad4: return NS_VK_NUMPAD4;
case kVK_ANSI_Keypad5: return NS_VK_NUMPAD5;
case kVK_ANSI_Keypad6: return NS_VK_NUMPAD6;
case kVK_ANSI_Keypad7: return NS_VK_NUMPAD7;
case kVK_ANSI_Keypad8: return NS_VK_NUMPAD8;
case kVK_ANSI_Keypad9: return NS_VK_NUMPAD9;
case kVK_ANSI_KeypadMultiply: return NS_VK_MULTIPLY;
case kVK_ANSI_KeypadPlus: return NS_VK_ADD;
case kVK_ANSI_KeypadMinus: return NS_VK_SUBTRACT;
case kVK_ANSI_KeypadDecimal: return NS_VK_DECIMAL;
case kVK_ANSI_KeypadDivide: return NS_VK_DIVIDE;
case kVK_JIS_KeypadComma: return NS_VK_SEPARATOR;
// IME keys
case kVK_JIS_Eisu: return NS_VK_EISU;
case kVK_JIS_Kana: return NS_VK_KANA;
// these may clash with forward delete and help
case kVK_PC_Insert: return NS_VK_INSERT;
case kVK_PC_Delete: return NS_VK_DELETE;
case kVK_PC_Backspace: return NS_VK_BACK;
case kVK_Tab: return NS_VK_TAB;
case kVK_Home: return NS_VK_HOME;
case kVK_End: return NS_VK_END;
case kVK_PageUp: return NS_VK_PAGE_UP;
case kVK_PageDown: return NS_VK_PAGE_DOWN;
case kVK_LeftArrow: return NS_VK_LEFT;
case kVK_RightArrow: return NS_VK_RIGHT;
case kVK_UpArrow: return NS_VK_UP;
case kVK_DownArrow: return NS_VK_DOWN;
case kVK_PC_ContextMenu: return NS_VK_CONTEXT_MENU;
case kVK_ANSI_1: return NS_VK_1;
case kVK_ANSI_2: return NS_VK_2;
case kVK_ANSI_3: return NS_VK_3;
case kVK_ANSI_4: return NS_VK_4;
case kVK_ANSI_5: return NS_VK_5;
case kVK_ANSI_6: return NS_VK_6;
case kVK_ANSI_7: return NS_VK_7;
case kVK_ANSI_8: return NS_VK_8;
case kVK_ANSI_9: return NS_VK_9;
case kVK_ANSI_0: return NS_VK_0;
case kVK_ANSI_KeypadEnter:
case kVK_Return:
case kVK_Powerbook_KeypadEnter: return NS_VK_RETURN;
}
// If Cmd key is pressed, that causes switching keyboard layout temporarily.
// E.g., Dvorak-QWERTY. Therefore, if Cmd key is pressed, we should honor it.
UInt32 modifiers = aCmdIsPressed ? cmdKey : 0;
uint32_t charCode = TranslateToChar(aNativeKeyCode, modifiers, aKbType);
// Special case for Mac. Mac inputs Yen sign (U+00A5) directly instead of
// Back slash (U+005C). We should return NS_VK_BACK_SLASH for compatibility
// with other platforms.
// XXX How about Won sign (U+20A9) which has same problem as Yen sign?
if (charCode == 0x00A5) {
return NS_VK_BACK_SLASH;
}
uint32_t keyCode = WidgetUtils::ComputeKeyCodeFromChar(charCode);
if (keyCode) {
return keyCode;
}
// If the unshifed char isn't an ASCII character, use shifted char.
charCode = TranslateToChar(aNativeKeyCode, modifiers | shiftKey, aKbType);
keyCode = WidgetUtils::ComputeKeyCodeFromChar(charCode);
if (keyCode) {
return keyCode;
}
// If this is ASCII capable, give up to compute it.
if (IsASCIICapable()) {
return 0;
}
// Retry with ASCII capable keyboard layout.
TISInputSourceWrapper currentKeyboardLayout;
currentKeyboardLayout.InitByCurrentASCIICapableKeyboardLayout();
NS_ENSURE_TRUE(mInputSource != currentKeyboardLayout.mInputSource, 0);
keyCode = currentKeyboardLayout.ComputeGeckoKeyCode(aNativeKeyCode, aKbType,
aCmdIsPressed);
// However, if keyCode isn't for an alphabet keys or a numeric key, we should
// ignore it. For example, comma key of Thai layout is same as close-square-
// bracket key of US layout and an unicode character key of Thai layout is
// same as comma key of US layout. If we return NS_VK_COMMA for latter key,
// web application developers cannot distinguish with the former key.
return ((keyCode >= NS_VK_A && keyCode <= NS_VK_Z) ||
(keyCode >= NS_VK_0 && keyCode <= NS_VK_9)) ? keyCode : 0;
}
// static
KeyNameIndex
TISInputSourceWrapper::ComputeGeckoKeyNameIndex(UInt32 aNativeKeyCode)
{
switch (aNativeKeyCode) {
#define NS_NATIVE_KEY_TO_DOM_KEY_NAME_INDEX(aNativeKey, aKeyNameIndex) \
case aNativeKey: return aKeyNameIndex;
#include "NativeKeyToDOMKeyName.h"
#undef NS_NATIVE_KEY_TO_DOM_KEY_NAME_INDEX
default:
return KEY_NAME_INDEX_Unidentified;
}
}
#pragma mark -
/******************************************************************************
*
* TextInputHandler implementation (static methods)
*
******************************************************************************/
NSUInteger TextInputHandler::sLastModifierState = 0;
// static
CFArrayRef
TextInputHandler::CreateAllKeyboardLayoutList()
{
const void* keys[] = { kTISPropertyInputSourceType };
const void* values[] = { kTISTypeKeyboardLayout };
CFDictionaryRef filter =
::CFDictionaryCreate(kCFAllocatorDefault, keys, values, 1, NULL, NULL);
NS_ASSERTION(filter, "failed to create the filter");
CFArrayRef list = ::TISCreateInputSourceList(filter, true);
::CFRelease(filter);
return list;
}
// static
void
TextInputHandler::DebugPrintAllKeyboardLayouts()
{
#ifdef PR_LOGGING
if (PR_LOG_TEST(gLog, PR_LOG_ALWAYS)) {
CFArrayRef list = CreateAllKeyboardLayoutList();
PR_LOG(gLog, PR_LOG_ALWAYS, ("Keyboard layout configuration:"));
CFIndex idx = ::CFArrayGetCount(list);
TISInputSourceWrapper tis;
for (CFIndex i = 0; i < idx; ++i) {
TISInputSourceRef inputSource = static_cast<TISInputSourceRef>(
const_cast<void *>(::CFArrayGetValueAtIndex(list, i)));
tis.InitByTISInputSourceRef(inputSource);
nsAutoString name, isid;
tis.GetLocalizedName(name);
tis.GetInputSourceID(isid);
PR_LOG(gLog, PR_LOG_ALWAYS,
(" %s\t<%s>%s%s\n",
NS_ConvertUTF16toUTF8(name).get(),
NS_ConvertUTF16toUTF8(isid).get(),
tis.IsASCIICapable() ? "" : "\t(Isn't ASCII capable)",
tis.IsKeyboardLayout() && tis.GetUCKeyboardLayout() ?
"" : "\t(uchr is NOT AVAILABLE)"));
}
::CFRelease(list);
}
#endif // #ifdef PR_LOGGING
}
#pragma mark -
/******************************************************************************
*
* TextInputHandler implementation
*
******************************************************************************/
TextInputHandler::TextInputHandler(nsChildView* aWidget,
NSView<mozView> *aNativeView) :
IMEInputHandler(aWidget, aNativeView)
{
InitLogModule();
[mView installTextInputHandler:this];
}
TextInputHandler::~TextInputHandler()
{
[mView uninstallTextInputHandler];
}
bool
TextInputHandler::HandleKeyDownEvent(NSEvent* aNativeEvent)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
if (Destroyed()) {
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TextInputHandler::HandleKeyDownEvent, "
"widget has been already destroyed", this));
return false;
}
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TextInputHandler::HandleKeyDownEvent, aNativeEvent=%p, "
"type=%s, keyCode=%lld (0x%X), modifierFlags=0x%X, characters=\"%s\", "
"charactersIgnoringModifiers=\"%s\"",
this, aNativeEvent, GetNativeKeyEventType(aNativeEvent),
[aNativeEvent keyCode], [aNativeEvent keyCode],
[aNativeEvent modifierFlags], GetCharacters([aNativeEvent characters]),
GetCharacters([aNativeEvent charactersIgnoringModifiers])));
nsRefPtr<nsChildView> kungFuDeathGrip(mWidget);
KeyEventState* currentKeyEvent = PushKeyEvent(aNativeEvent);
AutoKeyEventStateCleaner remover(this);
if (!IsIMEComposing()) {
NSResponder* firstResponder = [[mView window] firstResponder];
WidgetKeyboardEvent keydownEvent(true, NS_KEY_DOWN, mWidget);
InitKeyEvent(aNativeEvent, keydownEvent);
currentKeyEvent->mKeyDownHandled = DispatchEvent(keydownEvent);
if (Destroyed()) {
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TextInputHandler::HandleKeyDownEvent, "
"widget was destroyed by keydown event", this));
return currentKeyEvent->IsDefaultPrevented();
}
// The key down event may have shifted the focus, in which
// case we should not fire the key press.
// XXX This is a special code only on Cocoa widget, why is this needed?
if (firstResponder != [[mView window] firstResponder]) {
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TextInputHandler::HandleKeyDownEvent, "
"view lost focus by keydown event", this));
return currentKeyEvent->IsDefaultPrevented();
}
// If this is the context menu key command, send a context menu key event.
// XXX Should we dispatch context menu event at pressing kVK_PC_ContextMenu?
NSUInteger modifierFlags =
[aNativeEvent modifierFlags] & NSDeviceIndependentModifierFlagsMask;
if (modifierFlags == NSControlKeyMask &&
[[aNativeEvent charactersIgnoringModifiers] isEqualToString:@" "]) {
WidgetMouseEvent contextMenuEvent(true, NS_CONTEXTMENU, [mView widget],
WidgetMouseEvent::eReal,
WidgetMouseEvent::eContextMenuKey);
contextMenuEvent.modifiers = 0;
bool cmEventHandled = DispatchEvent(contextMenuEvent);
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TextInputHandler::HandleKeyDownEvent, "
"context menu event dispatched, handled=%s%s",
this, TrueOrFalse(cmEventHandled),
Destroyed() ? " and widget was destroyed" : ""));
[mView maybeInitContextMenuTracking];
// Bail, there is nothing else to do here.
return (cmEventHandled || currentKeyEvent->IsDefaultPrevented());
}
if (currentKeyEvent->IsDefaultPrevented()) {
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TextInputHandler::HandleKeyDownEvent, "
"keydown event's default is prevented", this));
return true;
}
}
// Let Cocoa interpret the key events, caching IsIMEComposing first.
bool wasComposing = IsIMEComposing();
bool interpretKeyEventsCalled = false;
if (IsIMEEnabled() || IsASCIICapableOnly()) {
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TextInputHandler::HandleKeyDownEvent, calling interpretKeyEvents",
this));
[mView interpretKeyEvents:[NSArray arrayWithObject:aNativeEvent]];
interpretKeyEventsCalled = true;
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TextInputHandler::HandleKeyDownEvent, called interpretKeyEvents",
this));
}
if (Destroyed()) {
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TextInputHandler::HandleKeyDownEvent, widget was destroyed",
this));
return currentKeyEvent->IsDefaultPrevented();
}
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TextInputHandler::HandleKeyDownEvent, wasComposing=%s, "
"IsIMEComposing()=%s",
this, TrueOrFalse(wasComposing), TrueOrFalse(IsIMEComposing())));
if (currentKeyEvent->CanDispatchKeyPressEvent() &&
!wasComposing && !IsIMEComposing()) {
WidgetKeyboardEvent keypressEvent(true, NS_KEY_PRESS, mWidget);
InitKeyEvent(aNativeEvent, keypressEvent);
// If we called interpretKeyEvents and this isn't normal character input
// then IME probably ate the event for some reason. We do not want to
// send a key press event in that case.
// TODO:
// There are some other cases which IME eats the current event.
// 1. If key events were nested during calling interpretKeyEvents, it means
// that IME did something. Then, we should do nothing.
// 2. If one or more commands are called like "deleteBackward", we should
// dispatch keypress event at that time. Note that the command may have
// been a converted or generated action by IME. Then, we shouldn't do
// our default action for this key.
if (!(interpretKeyEventsCalled &&
IsNormalCharInputtingEvent(keypressEvent))) {
currentKeyEvent->mKeyPressHandled = DispatchEvent(keypressEvent);
currentKeyEvent->mKeyPressDispatched = true;
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TextInputHandler::HandleKeyDownEvent, keypress event dispatched",
this));
}
}
// Note: mWidget might have become null here. Don't count on it from here on.
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TextInputHandler::HandleKeyDownEvent, "
"keydown handled=%s, keypress handled=%s, causedOtherKeyEvents=%s",
this, TrueOrFalse(currentKeyEvent->mKeyDownHandled),
TrueOrFalse(currentKeyEvent->mKeyPressHandled),
TrueOrFalse(currentKeyEvent->mCausedOtherKeyEvents)));
return currentKeyEvent->IsDefaultPrevented();
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(false);
}
void
TextInputHandler::HandleKeyUpEvent(NSEvent* aNativeEvent)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TextInputHandler::HandleKeyUpEvent, aNativeEvent=%p, "
"type=%s, keyCode=%lld (0x%X), modifierFlags=0x%X, characters=\"%s\", "
"charactersIgnoringModifiers=\"%s\", "
"mIgnoreNextKeyUpEvent=%s, IsIMEComposing()=%s",
this, aNativeEvent, GetNativeKeyEventType(aNativeEvent),
[aNativeEvent keyCode], [aNativeEvent keyCode],
[aNativeEvent modifierFlags], GetCharacters([aNativeEvent characters]),
GetCharacters([aNativeEvent charactersIgnoringModifiers]),
TrueOrFalse(mIgnoreNextKeyUpEvent), TrueOrFalse(IsIMEComposing())));
if (mIgnoreNextKeyUpEvent) {
mIgnoreNextKeyUpEvent = false;
return;
}
if (Destroyed()) {
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TextInputHandler::HandleKeyUpEvent, "
"widget has been already destroyed", this));
return;
}
// if we don't have any characters we can't generate a keyUp event
if (IsIMEComposing()) {
return;
}
WidgetKeyboardEvent keyupEvent(true, NS_KEY_UP, mWidget);
InitKeyEvent(aNativeEvent, keyupEvent);
DispatchEvent(keyupEvent);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void
TextInputHandler::HandleFlagsChanged(NSEvent* aNativeEvent)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (Destroyed()) {
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TextInputHandler::HandleFlagsChanged, "
"widget has been already destroyed", this));
return;
}
nsRefPtr<nsChildView> kungFuDeathGrip(mWidget);
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TextInputHandler::HandleFlagsChanged, aNativeEvent=%p, "
"type=%s, keyCode=%s (0x%X), modifierFlags=0x%08X, "
"sLastModifierState=0x%08X, IsIMEComposing()=%s",
this, aNativeEvent, GetNativeKeyEventType(aNativeEvent),
GetKeyNameForNativeKeyCode([aNativeEvent keyCode]), [aNativeEvent keyCode],
[aNativeEvent modifierFlags], sLastModifierState,
TrueOrFalse(IsIMEComposing())));
MOZ_ASSERT([aNativeEvent type] == NSFlagsChanged);
NSUInteger diff = [aNativeEvent modifierFlags] ^ sLastModifierState;
// Device dependent flags for left-control key, both shift keys, both command
// keys and both option keys have been defined in Next's SDK. But we
// shouldn't use it directly as far as possible since Cocoa SDK doesn't
// define them. Fortunately, we need them only when we dispatch keyup
// events. So, we can usually know the actual relation between keyCode and
// device dependent flags. However, we need to remove following flags first
// since the differences don't indicate modifier key state.
// NX_STYLUSPROXIMITYMASK: Probably used for pen like device.
// kCGEventFlagMaskNonCoalesced (= NX_NONCOALSESCEDMASK): See the document for
// Quartz Event Services.
diff &= ~(NX_STYLUSPROXIMITYMASK | kCGEventFlagMaskNonCoalesced);
switch ([aNativeEvent keyCode]) {
// CapsLock state and other modifier states are different:
// CapsLock state does not revert when the CapsLock key goes up, as the
// modifier state does for other modifier keys on key up.
case kVK_CapsLock: {
// Fire key down event for caps lock.
DispatchKeyEventForFlagsChanged(aNativeEvent, true);
// XXX should we fire keyup event too? The keyup event for CapsLock key
// is never dispatched on Gecko.
// XXX WebKit dispatches keydown event when CapsLock is locked, otherwise,
// keyup event. If we do so, we cannot keep the consistency with other
// platform's behavior...
break;
}
// If the event is caused by pressing or releasing a modifier key, just
// dispatch the key's event.
case kVK_Shift:
case kVK_RightShift:
case kVK_Command:
case kVK_RightCommand:
case kVK_Control:
case kVK_RightControl:
case kVK_Option:
case kVK_RightOption:
case kVK_Help: {
// We assume that at most one modifier is changed per event if the event
// is caused by pressing or releasing a modifier key.
bool isKeyDown = ([aNativeEvent modifierFlags] & diff) != 0;
DispatchKeyEventForFlagsChanged(aNativeEvent, isKeyDown);
// XXX Some applications might send the event with incorrect device-
// dependent flags.
if (isKeyDown && ((diff & ~NSDeviceIndependentModifierFlagsMask) != 0)) {
unsigned short keyCode = [aNativeEvent keyCode];
const ModifierKey* modifierKey =
GetModifierKeyForDeviceDependentFlags(diff);
if (modifierKey && modifierKey->keyCode != keyCode) {
// Although, we're not sure the actual cause of this case, the stored
// modifier information and the latest key event information may be
// mismatched. Then, let's reset the stored information.
// NOTE: If this happens, it may fail to handle NSFlagsChanged event
// in the default case (below). However, it's the rare case handler
// and this case occurs rarely. So, we can ignore the edge case bug.
NS_WARNING("Resetting stored modifier key information");
mModifierKeys.Clear();
modifierKey = nullptr;
}
if (!modifierKey) {
mModifierKeys.AppendElement(ModifierKey(diff, keyCode));
}
}
break;
}
// Currently we don't support Fn key since other browsers don't dispatch
// events for it and we don't have keyCode for this key.
// It should be supported when we implement .key and .char.
case kVK_Function:
break;
// If the event is caused by something else than pressing or releasing a
// single modifier key (for example by the app having been deactivated
// using command-tab), use the modifiers themselves to determine which
// key's event to dispatch, and whether it's a keyup or keydown event.
// In all cases we assume one or more modifiers are being deactivated
// (never activated) -- otherwise we'd have received one or more events
// corresponding to a single modifier key being pressed.
default: {
NSUInteger modifiers = sLastModifierState;
for (int32_t bit = 0; bit < 32; ++bit) {
NSUInteger flag = 1 << bit;
if (!(diff & flag)) {
continue;
}
// Given correct information from the application, a flag change here
// will normally be a deactivation (except for some lockable modifiers
// such as CapsLock). But some applications (like VNC) can send an
// activating event with a zero keyCode. So we need to check for that
// here.
bool dispatchKeyDown = ((flag & [aNativeEvent modifierFlags]) != 0);
unsigned short keyCode = 0;
if (flag & NSDeviceIndependentModifierFlagsMask) {
switch (flag) {
case NSAlphaShiftKeyMask:
keyCode = kVK_CapsLock;
dispatchKeyDown = true;
break;
case NSNumericPadKeyMask:
// NSNumericPadKeyMask is fired by VNC a lot. But not all of
// these events can really be Clear key events, so we just ignore
// them.
continue;
case NSHelpKeyMask:
keyCode = kVK_Help;
break;
case NSFunctionKeyMask:
// An NSFunctionKeyMask change here will normally be a
// deactivation. But sometimes it will be an activation send (by
// VNC for example) with a zero keyCode.
continue;
// These cases (NSShiftKeyMask, NSControlKeyMask, NSAlternateKeyMask
// and NSCommandKeyMask) should be handled by the other branch of
// the if statement, below (which handles device dependent flags).
// However, some applications (like VNC) can send key events without
// any device dependent flags, so we handle them here instead.
case NSShiftKeyMask:
keyCode = (modifiers & 0x0004) ? kVK_RightShift : kVK_Shift;
break;
case NSControlKeyMask:
keyCode = (modifiers & 0x2000) ? kVK_RightControl : kVK_Control;
break;
case NSAlternateKeyMask:
keyCode = (modifiers & 0x0040) ? kVK_RightOption : kVK_Option;
break;
case NSCommandKeyMask:
keyCode = (modifiers & 0x0010) ? kVK_RightCommand : kVK_Command;
break;
default:
continue;
}
} else {
const ModifierKey* modifierKey =
GetModifierKeyForDeviceDependentFlags(flag);
if (!modifierKey) {
// See the note above (in the other branch of the if statement)
// about the NSShiftKeyMask, NSControlKeyMask, NSAlternateKeyMask
// and NSCommandKeyMask cases.
continue;
}
keyCode = modifierKey->keyCode;
}
// Remove flags
modifiers &= ~flag;
switch (keyCode) {
case kVK_Shift: {
const ModifierKey* modifierKey =
GetModifierKeyForNativeKeyCode(kVK_RightShift);
if (!modifierKey ||
!(modifiers & modifierKey->GetDeviceDependentFlags())) {
modifiers &= ~NSShiftKeyMask;
}
break;
}
case kVK_RightShift: {
const ModifierKey* modifierKey =
GetModifierKeyForNativeKeyCode(kVK_Shift);
if (!modifierKey ||
!(modifiers & modifierKey->GetDeviceDependentFlags())) {
modifiers &= ~NSShiftKeyMask;
}
break;
}
case kVK_Command: {
const ModifierKey* modifierKey =
GetModifierKeyForNativeKeyCode(kVK_RightCommand);
if (!modifierKey ||
!(modifiers & modifierKey->GetDeviceDependentFlags())) {
modifiers &= ~NSCommandKeyMask;
}
break;
}
case kVK_RightCommand: {
const ModifierKey* modifierKey =
GetModifierKeyForNativeKeyCode(kVK_Command);
if (!modifierKey ||
!(modifiers & modifierKey->GetDeviceDependentFlags())) {
modifiers &= ~NSCommandKeyMask;
}
break;
}
case kVK_Control: {
const ModifierKey* modifierKey =
GetModifierKeyForNativeKeyCode(kVK_RightControl);
if (!modifierKey ||
!(modifiers & modifierKey->GetDeviceDependentFlags())) {
modifiers &= ~NSControlKeyMask;
}
break;
}
case kVK_RightControl: {
const ModifierKey* modifierKey =
GetModifierKeyForNativeKeyCode(kVK_Control);
if (!modifierKey ||
!(modifiers & modifierKey->GetDeviceDependentFlags())) {
modifiers &= ~NSControlKeyMask;
}
break;
}
case kVK_Option: {
const ModifierKey* modifierKey =
GetModifierKeyForNativeKeyCode(kVK_RightOption);
if (!modifierKey ||
!(modifiers & modifierKey->GetDeviceDependentFlags())) {
modifiers &= ~NSAlternateKeyMask;
}
break;
}
case kVK_RightOption: {
const ModifierKey* modifierKey =
GetModifierKeyForNativeKeyCode(kVK_Option);
if (!modifierKey ||
!(modifiers & modifierKey->GetDeviceDependentFlags())) {
modifiers &= ~NSAlternateKeyMask;
}
break;
}
case kVK_Help:
modifiers &= ~NSHelpKeyMask;
break;
default:
break;
}
NSEvent* event =
[NSEvent keyEventWithType:NSFlagsChanged
location:[aNativeEvent locationInWindow]
modifierFlags:modifiers
timestamp:[aNativeEvent timestamp]
windowNumber:[aNativeEvent windowNumber]
context:[aNativeEvent context]
characters:nil
charactersIgnoringModifiers:nil
isARepeat:NO
keyCode:keyCode];
DispatchKeyEventForFlagsChanged(event, dispatchKeyDown);
if (Destroyed()) {
break;
}
// Stop if focus has changed.
// Check to see if mView is still the first responder.
if (![mView isFirstResponder]) {
break;
}
}
break;
}
}
// Be aware, the widget may have been destroyed.
sLastModifierState = [aNativeEvent modifierFlags];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
const TextInputHandler::ModifierKey*
TextInputHandler::GetModifierKeyForNativeKeyCode(unsigned short aKeyCode) const
{
for (ModifierKeyArray::index_type i = 0; i < mModifierKeys.Length(); ++i) {
if (mModifierKeys[i].keyCode == aKeyCode) {
return &((ModifierKey&)mModifierKeys[i]);
}
}
return nullptr;
}
const TextInputHandler::ModifierKey*
TextInputHandler::GetModifierKeyForDeviceDependentFlags(NSUInteger aFlags) const
{
for (ModifierKeyArray::index_type i = 0; i < mModifierKeys.Length(); ++i) {
if (mModifierKeys[i].GetDeviceDependentFlags() ==
(aFlags & ~NSDeviceIndependentModifierFlagsMask)) {
return &((ModifierKey&)mModifierKeys[i]);
}
}
return nullptr;
}
void
TextInputHandler::DispatchKeyEventForFlagsChanged(NSEvent* aNativeEvent,
bool aDispatchKeyDown)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (Destroyed()) {
return;
}
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TextInputHandler::DispatchKeyEventForFlagsChanged, aNativeEvent=%p, "
"type=%s, keyCode=%s (0x%X), aDispatchKeyDown=%s, IsIMEComposing()=%s",
this, aNativeEvent, GetNativeKeyEventType(aNativeEvent),
GetKeyNameForNativeKeyCode([aNativeEvent keyCode]), [aNativeEvent keyCode],
TrueOrFalse(aDispatchKeyDown), TrueOrFalse(IsIMEComposing())));
if ([aNativeEvent type] != NSFlagsChanged || IsIMEComposing()) {
return;
}
uint32_t message = aDispatchKeyDown ? NS_KEY_DOWN : NS_KEY_UP;
NPCocoaEvent cocoaEvent;
// Fire a key event.
WidgetKeyboardEvent keyEvent(true, message, mWidget);
InitKeyEvent(aNativeEvent, keyEvent);
// create event for use by plugins
if ([mView isPluginView]) {
if ([mView pluginEventModel] == NPEventModelCocoa) {
ConvertCocoaKeyEventToNPCocoaEvent(aNativeEvent, cocoaEvent);
keyEvent.pluginEvent = &cocoaEvent;
}
}
DispatchEvent(keyEvent);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void
TextInputHandler::InsertText(NSAttributedString* aAttrString,
NSRange* aReplacementRange)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (Destroyed()) {
return;
}
KeyEventState* currentKeyEvent = GetCurrentKeyEvent();
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TextInputHandler::InsertText, aAttrString=\"%s\", "
"aReplacementRange=%p { location=%llu, length=%llu }, "
"IsIMEComposing()=%s, IgnoreIMEComposition()=%s, "
"keyevent=%p, keydownHandled=%s, keypressDispatched=%s, "
"causedOtherKeyEvents=%s",
this, GetCharacters([aAttrString string]), aReplacementRange,
aReplacementRange ? aReplacementRange->location : 0,
aReplacementRange ? aReplacementRange->length : 0,
TrueOrFalse(IsIMEComposing()), TrueOrFalse(IgnoreIMEComposition()),
currentKeyEvent ? currentKeyEvent->mKeyEvent : nullptr,
currentKeyEvent ?
TrueOrFalse(currentKeyEvent->mKeyDownHandled) : "N/A",
currentKeyEvent ?
TrueOrFalse(currentKeyEvent->mKeyPressDispatched) : "N/A",
currentKeyEvent ?
TrueOrFalse(currentKeyEvent->mCausedOtherKeyEvents) : "N/A"));
if (IgnoreIMEComposition()) {
return;
}
InputContext context = mWidget->GetInputContext();
bool isEditable = (context.mIMEState.mEnabled == IMEState::ENABLED ||
context.mIMEState.mEnabled == IMEState::PASSWORD);
NSRange selectedRange = SelectedRange();
nsAutoString str;
nsCocoaUtils::GetStringForNSString([aAttrString string], str);
if (!IsIMEComposing() && str.IsEmpty()) {
// nothing to do if there is no content which can be removed.
if (!isEditable) {
return;
}
// If replacement range is specified, we need to remove the range.
// Otherwise, we need to remove the selected range if it's not collapsed.
if (aReplacementRange && aReplacementRange->location != NSNotFound) {
// nothing to do since the range is collapsed.
if (aReplacementRange->length == 0) {
return;
}
// If the replacement range is different from current selected range,
// select the range.
if (!NSEqualRanges(selectedRange, *aReplacementRange)) {
NS_ENSURE_TRUE_VOID(SetSelection(*aReplacementRange));
}
selectedRange = SelectedRange();
}
NS_ENSURE_TRUE_VOID(selectedRange.location != NSNotFound);
if (selectedRange.length == 0) {
return; // nothing to do
}
// If this is caused by a key input, the keypress event which will be
// dispatched later should cause the delete. Therefore, nothing to do here.
// Although, we're not sure if such case is actually possible.
if (!currentKeyEvent) {
return;
}
// Delete the selected range.
nsRefPtr<TextInputHandler> kungFuDeathGrip(this);
WidgetContentCommandEvent deleteCommandEvent(true,
NS_CONTENT_COMMAND_DELETE,
mWidget);
DispatchEvent(deleteCommandEvent);
NS_ENSURE_TRUE_VOID(deleteCommandEvent.mSucceeded);
// Be aware! The widget might be destroyed here.
return;
}
if (str.Length() != 1 || IsIMEComposing()) {
InsertTextAsCommittingComposition(aAttrString, aReplacementRange);
return;
}
// Don't let the same event be fired twice when hitting
// enter/return! (Bug 420502)
if (currentKeyEvent && !currentKeyEvent->CanDispatchKeyPressEvent()) {
return;
}
nsRefPtr<nsChildView> kungFuDeathGrip(mWidget);
// If the replacement range is specified, select the range. Then, the
// selection will be replaced by the later keypress event.
if (isEditable &&
aReplacementRange && aReplacementRange->location != NSNotFound &&
!NSEqualRanges(selectedRange, *aReplacementRange)) {
NS_ENSURE_TRUE_VOID(SetSelection(*aReplacementRange));
}
// Dispatch keypress event with char instead of textEvent
WidgetKeyboardEvent keypressEvent(true, NS_KEY_PRESS, mWidget);
keypressEvent.isChar = IsPrintableChar(str.CharAt(0));
// Don't set other modifiers from the current event, because here in
// -insertText: they've already been taken into account in creating
// the input string.
if (currentKeyEvent) {
NSEvent* keyEvent = currentKeyEvent->mKeyEvent;
InitKeyEvent(keyEvent, keypressEvent, &str);
} else {
nsCocoaUtils::InitInputEvent(keypressEvent, static_cast<NSEvent*>(nullptr));
if (keypressEvent.isChar) {
keypressEvent.charCode = str.CharAt(0);
}
// Note that insertText is not called only at key pressing.
if (!keypressEvent.charCode) {
keypressEvent.keyCode =
WidgetUtils::ComputeKeyCodeFromChar(keypressEvent.charCode);
}
}
// Remove basic modifiers from keypress event because if they are included,
// nsPlaintextEditor ignores the event.
keypressEvent.modifiers &= ~(MODIFIER_CONTROL |
MODIFIER_ALT |
MODIFIER_META);
// TODO:
// If mCurrentKeyEvent.mKeyEvent is null and when we implement textInput
// event of DOM3 Events, we should dispatch it instead of keypress event.
bool keyPressHandled = DispatchEvent(keypressEvent);
// Note: mWidget might have become null here. Don't count on it from here on.
if (currentKeyEvent) {
currentKeyEvent->mKeyPressHandled = keyPressHandled;
currentKeyEvent->mKeyPressDispatched = true;
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
bool
TextInputHandler::DoCommandBySelector(const char* aSelector)
{
nsRefPtr<nsChildView> kungFuDeathGrip(mWidget);
KeyEventState* currentKeyEvent = GetCurrentKeyEvent();
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TextInputHandler::DoCommandBySelector, aSelector=\"%s\", "
"Destroyed()=%s, keydownHandled=%s, keypressHandled=%s, "
"causedOtherKeyEvents=%s",
this, aSelector ? aSelector : "", TrueOrFalse(Destroyed()),
currentKeyEvent ?
TrueOrFalse(currentKeyEvent->mKeyDownHandled) : "N/A",
currentKeyEvent ?
TrueOrFalse(currentKeyEvent->mKeyPressHandled) : "N/A",
currentKeyEvent ?
TrueOrFalse(currentKeyEvent->mCausedOtherKeyEvents) : "N/A"));
if (currentKeyEvent && currentKeyEvent->CanDispatchKeyPressEvent()) {
WidgetKeyboardEvent keypressEvent(true, NS_KEY_PRESS, mWidget);
InitKeyEvent(currentKeyEvent->mKeyEvent, keypressEvent);
currentKeyEvent->mKeyPressHandled = DispatchEvent(keypressEvent);
currentKeyEvent->mKeyPressDispatched = true;
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TextInputHandler::DoCommandBySelector, keypress event "
"dispatched, Destroyed()=%s, keypressHandled=%s",
this, TrueOrFalse(Destroyed()),
TrueOrFalse(currentKeyEvent->mKeyPressHandled)));
}
return (!Destroyed() && currentKeyEvent &&
currentKeyEvent->IsDefaultPrevented());
}
#pragma mark -
/******************************************************************************
*
* IMEInputHandler implementation (static methods)
*
******************************************************************************/
bool IMEInputHandler::sStaticMembersInitialized = false;
CFStringRef IMEInputHandler::sLatestIMEOpenedModeInputSourceID = nullptr;
IMEInputHandler* IMEInputHandler::sFocusedIMEHandler = nullptr;
// static
void
IMEInputHandler::InitStaticMembers()
{
if (sStaticMembersInitialized)
return;
sStaticMembersInitialized = true;
// We need to check the keyboard layout changes on all applications.
CFNotificationCenterRef center = ::CFNotificationCenterGetDistributedCenter();
// XXX Don't we need to remove the observer at shut down?
// Mac Dev Center's document doesn't say how to remove the observer if
// the second parameter is NULL.
::CFNotificationCenterAddObserver(center, NULL,
OnCurrentTextInputSourceChange,
kTISNotifySelectedKeyboardInputSourceChanged, NULL,
CFNotificationSuspensionBehaviorDeliverImmediately);
// Initiailize with the current keyboard layout
OnCurrentTextInputSourceChange(NULL, NULL,
kTISNotifySelectedKeyboardInputSourceChanged,
NULL, NULL);
}
// static
void
IMEInputHandler::OnCurrentTextInputSourceChange(CFNotificationCenterRef aCenter,
void* aObserver,
CFStringRef aName,
const void* aObject,
CFDictionaryRef aUserInfo)
{
// Cache the latest IME opened mode to sLatestIMEOpenedModeInputSourceID.
TISInputSourceWrapper tis;
tis.InitByCurrentInputSource();
if (tis.IsOpenedIMEMode()) {
tis.GetInputSourceID(sLatestIMEOpenedModeInputSourceID);
}
#ifdef PR_LOGGING
if (PR_LOG_TEST(gLog, PR_LOG_ALWAYS)) {
static CFStringRef sLastTIS = nullptr;
CFStringRef newTIS;
tis.GetInputSourceID(newTIS);
if (!sLastTIS ||
::CFStringCompare(sLastTIS, newTIS, 0) != kCFCompareEqualTo) {
TISInputSourceWrapper tis1, tis2, tis3, tis4, tis5;
tis1.InitByCurrentKeyboardLayout();
tis2.InitByCurrentASCIICapableInputSource();
tis3.InitByCurrentASCIICapableKeyboardLayout();
tis4.InitByCurrentInputMethodKeyboardLayoutOverride();
tis5.InitByTISInputSourceRef(tis.GetKeyboardLayoutInputSource());
CFStringRef is0 = nullptr, is1 = nullptr, is2 = nullptr, is3 = nullptr,
is4 = nullptr, is5 = nullptr, type0 = nullptr,
lang0 = nullptr, bundleID0 = nullptr;
tis.GetInputSourceID(is0);
tis1.GetInputSourceID(is1);
tis2.GetInputSourceID(is2);
tis3.GetInputSourceID(is3);
tis4.GetInputSourceID(is4);
tis5.GetInputSourceID(is5);
tis.GetInputSourceType(type0);
tis.GetPrimaryLanguage(lang0);
tis.GetBundleID(bundleID0);
PR_LOG(gLog, PR_LOG_ALWAYS,
("IMEInputHandler::OnCurrentTextInputSourceChange,\n"
" Current Input Source is changed to:\n"
" currentInputContext=%p\n"
" %s\n"
" type=%s %s\n"
" overridden keyboard layout=%s\n"
" used keyboard layout for translation=%s\n"
" primary language=%s\n"
" bundle ID=%s\n"
" current ASCII capable Input Source=%s\n"
" current Keyboard Layout=%s\n"
" current ASCII capable Keyboard Layout=%s",
[NSTextInputContext currentInputContext], GetCharacters(is0),
GetCharacters(type0), tis.IsASCIICapable() ? "- ASCII capable " : "",
GetCharacters(is4), GetCharacters(is5),
GetCharacters(lang0), GetCharacters(bundleID0),
GetCharacters(is2), GetCharacters(is1), GetCharacters(is3)));
}
sLastTIS = newTIS;
}
#endif // #ifdef PR_LOGGING
}
// static
void
IMEInputHandler::FlushPendingMethods(nsITimer* aTimer, void* aClosure)
{
NS_ASSERTION(aClosure, "aClosure is null");
static_cast<IMEInputHandler*>(aClosure)->ExecutePendingMethods();
}
// static
CFArrayRef
IMEInputHandler::CreateAllIMEModeList()
{
const void* keys[] = { kTISPropertyInputSourceType };
const void* values[] = { kTISTypeKeyboardInputMode };
CFDictionaryRef filter =
::CFDictionaryCreate(kCFAllocatorDefault, keys, values, 1, NULL, NULL);
NS_ASSERTION(filter, "failed to create the filter");
CFArrayRef list = ::TISCreateInputSourceList(filter, true);
::CFRelease(filter);
return list;
}
// static
void
IMEInputHandler::DebugPrintAllIMEModes()
{
#ifdef PR_LOGGING
if (PR_LOG_TEST(gLog, PR_LOG_ALWAYS)) {
CFArrayRef list = CreateAllIMEModeList();
PR_LOG(gLog, PR_LOG_ALWAYS, ("IME mode configuration:"));
CFIndex idx = ::CFArrayGetCount(list);
TISInputSourceWrapper tis;
for (CFIndex i = 0; i < idx; ++i) {
TISInputSourceRef inputSource = static_cast<TISInputSourceRef>(
const_cast<void *>(::CFArrayGetValueAtIndex(list, i)));
tis.InitByTISInputSourceRef(inputSource);
nsAutoString name, isid;
tis.GetLocalizedName(name);
tis.GetInputSourceID(isid);
PR_LOG(gLog, PR_LOG_ALWAYS,
(" %s\t<%s>%s%s\n",
NS_ConvertUTF16toUTF8(name).get(),
NS_ConvertUTF16toUTF8(isid).get(),
tis.IsASCIICapable() ? "" : "\t(Isn't ASCII capable)",
tis.IsEnabled() ? "" : "\t(Isn't Enabled)"));
}
::CFRelease(list);
}
#endif // #ifdef PR_LOGGING
}
//static
TSMDocumentID
IMEInputHandler::GetCurrentTSMDocumentID()
{
// At least on Mac OS X 10.6.x and 10.7.x, ::TSMGetActiveDocument() has a bug.
// The result of ::TSMGetActiveDocument() isn't modified for new active text
// input context until [NSTextInputContext currentInputContext] is called.
// Therefore, we need to call it here.
[NSTextInputContext currentInputContext];
return ::TSMGetActiveDocument();
}
#pragma mark -
/******************************************************************************
*
* IMEInputHandler implementation #1
* The methods are releated to the pending methods. Some jobs should be
* run after the stack is finished, e.g, some methods cannot run the jobs
* during processing the focus event. And also some other jobs should be
* run at the next focus event is processed.
* The pending methods are recorded in mPendingMethods. They are executed
* by ExecutePendingMethods via FlushPendingMethods.
*
******************************************************************************/
void
IMEInputHandler::NotifyIMEOfFocusChangeInGecko()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::NotifyIMEOfFocusChangeInGecko, "
"Destroyed()=%s, IsFocused()=%s, inputContext=%p",
this, TrueOrFalse(Destroyed()), TrueOrFalse(IsFocused()),
mView ? [mView inputContext] : nullptr));
if (Destroyed()) {
return;
}
if (!IsFocused()) {
// retry at next focus event
mPendingMethods |= kNotifyIMEOfFocusChangeInGecko;
return;
}
MOZ_ASSERT(mView);
NSTextInputContext* inputContext = [mView inputContext];
NS_ENSURE_TRUE_VOID(inputContext);
// When an <input> element on a XUL <panel> element gets focus from an <input>
// element on the opener window of the <panel> element, the owner window
// still has native focus. Therefore, IMEs may store the opener window's
// level at this time because they don't know the actual focus is moved to
// different window. If IMEs try to get the newest window level after the
// focus change, we return the window level of the XUL <panel>'s widget.
// Therefore, let's emulate the native focus change. Then, IMEs can refresh
// the stored window level.
[inputContext deactivate];
[inputContext activate];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void
IMEInputHandler::DiscardIMEComposition()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::DiscardIMEComposition, "
"Destroyed()=%s, IsFocused()=%s, mView=%p, inputContext=%p",
this, TrueOrFalse(Destroyed()), TrueOrFalse(IsFocused()),
mView, mView ? [mView inputContext] : nullptr));
if (Destroyed()) {
return;
}
if (!IsFocused()) {
// retry at next focus event
mPendingMethods |= kDiscardIMEComposition;
return;
}
NS_ENSURE_TRUE_VOID(mView);
NSTextInputContext* inputContext = [mView inputContext];
NS_ENSURE_TRUE_VOID(inputContext);
mIgnoreIMECommit = true;
[inputContext discardMarkedText];
mIgnoreIMECommit = false;
NS_OBJC_END_TRY_ABORT_BLOCK
}
void
IMEInputHandler::SyncASCIICapableOnly()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::SyncASCIICapableOnly, "
"Destroyed()=%s, IsFocused()=%s, mIsASCIICapableOnly=%s, "
"GetCurrentTSMDocumentID()=%p",
this, TrueOrFalse(Destroyed()), TrueOrFalse(IsFocused()),
TrueOrFalse(mIsASCIICapableOnly), GetCurrentTSMDocumentID()));
if (Destroyed()) {
return;
}
if (!IsFocused()) {
// retry at next focus event
mPendingMethods |= kSyncASCIICapableOnly;
return;
}
TSMDocumentID doc = GetCurrentTSMDocumentID();
if (!doc) {
// retry
mPendingMethods |= kSyncASCIICapableOnly;
NS_WARNING("Application is active but there is no active document");
ResetTimer();
return;
}
if (mIsASCIICapableOnly) {
CFArrayRef ASCIICapableTISList = ::TISCreateASCIICapableInputSourceList();
::TSMSetDocumentProperty(doc,
kTSMDocumentEnabledInputSourcesPropertyTag,
sizeof(CFArrayRef),
&ASCIICapableTISList);
::CFRelease(ASCIICapableTISList);
} else {
::TSMRemoveDocumentProperty(doc,
kTSMDocumentEnabledInputSourcesPropertyTag);
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void
IMEInputHandler::ResetTimer()
{
NS_ASSERTION(mPendingMethods != 0,
"There are not pending methods, why this is called?");
if (mTimer) {
mTimer->Cancel();
} else {
mTimer = do_CreateInstance(NS_TIMER_CONTRACTID);
NS_ENSURE_TRUE(mTimer, );
}
mTimer->InitWithFuncCallback(FlushPendingMethods, this, 0,
nsITimer::TYPE_ONE_SHOT);
}
void
IMEInputHandler::ExecutePendingMethods()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (mTimer) {
mTimer->Cancel();
mTimer = nullptr;
}
if (![[NSApplication sharedApplication] isActive]) {
mIsInFocusProcessing = false;
// If we're not active, we should retry at focus event
return;
}
uint32_t pendingMethods = mPendingMethods;
// First, reset the pending method flags because if each methods cannot
// run now, they can reentry to the pending flags by theirselves.
mPendingMethods = 0;
if (pendingMethods & kDiscardIMEComposition)
DiscardIMEComposition();
if (pendingMethods & kSyncASCIICapableOnly)
SyncASCIICapableOnly();
if (pendingMethods & kNotifyIMEOfFocusChangeInGecko) {
NotifyIMEOfFocusChangeInGecko();
}
mIsInFocusProcessing = false;
NS_OBJC_END_TRY_ABORT_BLOCK;
}
#pragma mark -
/******************************************************************************
*
* IMEInputHandler implementation (native event handlers)
*
******************************************************************************/
uint32_t
IMEInputHandler::ConvertToTextRangeType(uint32_t aUnderlineStyle,
NSRange& aSelectedRange)
{
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::ConvertToTextRangeType, "
"aUnderlineStyle=%llu, aSelectedRange.length=%llu,",
this, aUnderlineStyle, aSelectedRange.length));
// We assume that aUnderlineStyle is NSUnderlineStyleSingle or
// NSUnderlineStyleThick. NSUnderlineStyleThick should indicate a selected
// clause. Otherwise, should indicate non-selected clause.
if (aSelectedRange.length == 0) {
switch (aUnderlineStyle) {
case NSUnderlineStyleSingle:
return NS_TEXTRANGE_RAWINPUT;
case NSUnderlineStyleThick:
return NS_TEXTRANGE_SELECTEDRAWTEXT;
default:
NS_WARNING("Unexpected line style");
return NS_TEXTRANGE_SELECTEDRAWTEXT;
}
}
switch (aUnderlineStyle) {
case NSUnderlineStyleSingle:
return NS_TEXTRANGE_CONVERTEDTEXT;
case NSUnderlineStyleThick:
return NS_TEXTRANGE_SELECTEDCONVERTEDTEXT;
default:
NS_WARNING("Unexpected line style");
return NS_TEXTRANGE_SELECTEDCONVERTEDTEXT;
}
}
uint32_t
IMEInputHandler::GetRangeCount(NSAttributedString *aAttrString)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
// Iterate through aAttrString for the NSUnderlineStyleAttributeName and
// count the different segments adjusting limitRange as we go.
uint32_t count = 0;
NSRange effectiveRange;
NSRange limitRange = NSMakeRange(0, [aAttrString length]);
while (limitRange.length > 0) {
[aAttrString attribute:NSUnderlineStyleAttributeName
atIndex:limitRange.location
longestEffectiveRange:&effectiveRange
inRange:limitRange];
limitRange =
NSMakeRange(NSMaxRange(effectiveRange),
NSMaxRange(limitRange) - NSMaxRange(effectiveRange));
count++;
}
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::GetRangeCount, aAttrString=\"%s\", count=%llu",
this, GetCharacters([aAttrString string]), count));
return count;
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(0);
}
void
IMEInputHandler::SetTextRangeList(nsTArray<TextRange>& aTextRangeList,
NSAttributedString *aAttrString,
NSRange& aSelectedRange)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
// Convert the Cocoa range into the TextRange Array used in Gecko.
// Iterate through the attributed string and map the underline attribute to
// Gecko IME textrange attributes. We may need to change the code here if
// we change the implementation of validAttributesForMarkedText.
NSRange limitRange = NSMakeRange(0, [aAttrString length]);
uint32_t rangeCount = GetRangeCount(aAttrString);
for (uint32_t i = 0; i < rangeCount && limitRange.length > 0; i++) {
NSRange effectiveRange;
id attributeValue = [aAttrString attribute:NSUnderlineStyleAttributeName
atIndex:limitRange.location
longestEffectiveRange:&effectiveRange
inRange:limitRange];
TextRange range;
range.mStartOffset = effectiveRange.location;
range.mEndOffset = NSMaxRange(effectiveRange);
range.mRangeType =
ConvertToTextRangeType([attributeValue intValue], aSelectedRange);
aTextRangeList.AppendElement(range);
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::SetTextRangeList, "
"range={ mStartOffset=%llu, mEndOffset=%llu, mRangeType=%s }",
this, range.mStartOffset, range.mEndOffset,
GetRangeTypeName(range.mRangeType)));
limitRange =
NSMakeRange(NSMaxRange(effectiveRange),
NSMaxRange(limitRange) - NSMaxRange(effectiveRange));
}
// Get current caret position.
TextRange range;
range.mStartOffset = aSelectedRange.location + aSelectedRange.length;
range.mEndOffset = range.mStartOffset;
range.mRangeType = NS_TEXTRANGE_CARETPOSITION;
aTextRangeList.AppendElement(range);
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::SetTextRangeList, "
"range={ mStartOffset=%llu, mEndOffset=%llu, mRangeType=%s }",
this, range.mStartOffset, range.mEndOffset,
GetRangeTypeName(range.mRangeType)));
NS_OBJC_END_TRY_ABORT_BLOCK;
}
bool
IMEInputHandler::DispatchTextEvent(const nsString& aText,
NSAttributedString* aAttrString,
NSRange& aSelectedRange,
bool aDoCommit)
{
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::DispatchTextEvent, "
"aText=\"%s\", aAttrString=\"%s\", "
"aSelectedRange={ location=%llu, length=%llu }, "
"aDoCommit=%s, Destroyed()=%s",
this, NS_ConvertUTF16toUTF8(aText).get(),
GetCharacters([aAttrString string]),
aSelectedRange.location, aSelectedRange.length,
TrueOrFalse(aDoCommit), TrueOrFalse(Destroyed())));
NS_ENSURE_TRUE(!Destroyed(), false);
nsRefPtr<IMEInputHandler> kungFuDeathGrip(this);
WidgetTextEvent textEvent(true, NS_TEXT_TEXT, mWidget);
textEvent.time = PR_IntervalNow();
textEvent.theText = aText;
nsAutoTArray<TextRange, 4> textRanges;
if (!aDoCommit) {
SetTextRangeList(textRanges, aAttrString, aSelectedRange);
}
textEvent.rangeArray = textRanges.Elements();
textEvent.rangeCount = textRanges.Length();
if (textEvent.theText != mLastDispatchedCompositionString) {
WidgetCompositionEvent compositionUpdate(true, NS_COMPOSITION_UPDATE,
mWidget);
compositionUpdate.time = textEvent.time;
compositionUpdate.data = textEvent.theText;
mLastDispatchedCompositionString = textEvent.theText;
DispatchEvent(compositionUpdate);
if (mIsInFocusProcessing || Destroyed()) {
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::DispatchTextEvent, compositionupdate causes "
"aborting the composition, mIsInFocusProcessing=%s, Destryoed()=%s",
this, TrueOrFalse(mIsInFocusProcessing), TrueOrFalse(Destroyed())));
if (Destroyed()) {
return true;
}
}
}
return DispatchEvent(textEvent);
}
void
IMEInputHandler::InitCompositionEvent(WidgetCompositionEvent& aCompositionEvent)
{
aCompositionEvent.time = PR_IntervalNow();
}
void
IMEInputHandler::InsertTextAsCommittingComposition(
NSAttributedString* aAttrString,
NSRange* aReplacementRange)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::InsertTextAsCommittingComposition, "
"aAttrString=\"%s\", aReplacementRange=%p { location=%llu, length=%llu }, "
"Destroyed()=%s, IsIMEComposing()=%s, "
"mMarkedRange={ location=%llu, length=%llu }",
this, GetCharacters([aAttrString string]), aReplacementRange,
aReplacementRange ? aReplacementRange->location : 0,
aReplacementRange ? aReplacementRange->length : 0,
TrueOrFalse(Destroyed()), TrueOrFalse(IsIMEComposing()),
mMarkedRange.location, mMarkedRange.length));
if (IgnoreIMECommit()) {
MOZ_CRASH("IMEInputHandler::InsertTextAsCommittingComposition() must not"
"be called while canceling the composition");
}
if (Destroyed()) {
return;
}
// First, commit current composition with the latest composition string if the
// replacement range is different from marked range.
if (IsIMEComposing() && aReplacementRange &&
aReplacementRange->location != NSNotFound &&
!NSEqualRanges(MarkedRange(), *aReplacementRange)) {
NSString* latestStr =
nsCocoaUtils::ToNSString(mLastDispatchedCompositionString);
NSAttributedString* attrLatestStr =
[[[NSAttributedString alloc] initWithString:latestStr] autorelease];
InsertTextAsCommittingComposition(attrLatestStr, nullptr);
if (Destroyed()) {
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::InsertTextAsCommittingComposition, "
"destroyed by commiting composition for setting replacement range",
this));
return;
}
}
nsRefPtr<IMEInputHandler> kungFuDeathGrip(this);
nsString str;
nsCocoaUtils::GetStringForNSString([aAttrString string], str);
if (!IsIMEComposing()) {
// If there is no selection and replacement range is specified, set the
// range as selection.
if (aReplacementRange && aReplacementRange->location != NSNotFound &&
!NSEqualRanges(SelectedRange(), *aReplacementRange)) {
NS_ENSURE_TRUE_VOID(SetSelection(*aReplacementRange));
}
// XXXmnakano Probably, we shouldn't emulate composition in this case.
// I think that we should just fire DOM3 textInput event if we implement it.
WidgetCompositionEvent compStart(true, NS_COMPOSITION_START, mWidget);
InitCompositionEvent(compStart);
DispatchEvent(compStart);
if (Destroyed()) {
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::InsertTextAsCommittingComposition, "
"destroyed by compositionstart event", this));
return;
}
OnStartIMEComposition();
}
NSRange range = NSMakeRange(0, str.Length());
DispatchTextEvent(str, aAttrString, range, true);
if (Destroyed()) {
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::InsertTextAsCommittingComposition, "
"destroyed by text event", this));
return;
}
OnUpdateIMEComposition([aAttrString string]);
WidgetCompositionEvent compEnd(true, NS_COMPOSITION_END, mWidget);
InitCompositionEvent(compEnd);
compEnd.data = mLastDispatchedCompositionString;
DispatchEvent(compEnd);
if (Destroyed()) {
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::InsertTextAsCommittingComposition, "
"destroyed by compositionend event", this));
return;
}
OnEndIMEComposition();
mMarkedRange = NSMakeRange(NSNotFound, 0);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void
IMEInputHandler::SetMarkedText(NSAttributedString* aAttrString,
NSRange& aSelectedRange,
NSRange* aReplacementRange)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::SetMarkedText, "
"aAttrString=\"%s\", aSelectedRange={ location=%llu, length=%llu }, "
"aReplacementRange=%p { location=%llu, length=%llu }, "
"Destroyed()=%s, IgnoreIMEComposition()=%s, IsIMEComposing()=%s, "
"mMarkedRange={ location=%llu, length=%llu }",
this, GetCharacters([aAttrString string]),
aSelectedRange.location, aSelectedRange.length, aReplacementRange,
aReplacementRange ? aReplacementRange->location : 0,
aReplacementRange ? aReplacementRange->length : 0,
TrueOrFalse(Destroyed()), TrueOrFalse(IgnoreIMEComposition()),
TrueOrFalse(IsIMEComposing()),
mMarkedRange.location, mMarkedRange.length));
if (Destroyed() || IgnoreIMEComposition()) {
return;
}
nsRefPtr<IMEInputHandler> kungFuDeathGrip(this);
// First, commit current composition with the latest composition string if the
// replacement range is different from marked range.
if (IsIMEComposing() && aReplacementRange &&
aReplacementRange->location != NSNotFound &&
!NSEqualRanges(MarkedRange(), *aReplacementRange)) {
NSString* latestStr =
nsCocoaUtils::ToNSString(mLastDispatchedCompositionString);
NSAttributedString* attrLatestStr =
[[[NSAttributedString alloc] initWithString:latestStr] autorelease];
bool ignoreIMECommit = mIgnoreIMECommit;
mIgnoreIMECommit = false;
InsertTextAsCommittingComposition(attrLatestStr, nullptr);
mIgnoreIMECommit = ignoreIMECommit;
if (Destroyed()) {
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::SetMarkedText, "
"destroyed by commiting composition for setting replacement range",
this));
return;
}
}
nsString str;
nsCocoaUtils::GetStringForNSString([aAttrString string], str);
mMarkedRange.length = str.Length();
if (!IsIMEComposing() && !str.IsEmpty()) {
// If there is no selection and replacement range is specified, set the
// range as selection.
if (aReplacementRange && aReplacementRange->location != NSNotFound &&
!NSEqualRanges(SelectedRange(), *aReplacementRange)) {
NS_ENSURE_TRUE_VOID(SetSelection(*aReplacementRange));
}
mMarkedRange.location = SelectedRange().location;
WidgetCompositionEvent compStart(true, NS_COMPOSITION_START, mWidget);
InitCompositionEvent(compStart);
DispatchEvent(compStart);
if (Destroyed()) {
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::SetMarkedText, "
"destroyed by compositionstart event", this));
return;
}
OnStartIMEComposition();
}
if (IsIMEComposing()) {
OnUpdateIMEComposition([aAttrString string]);
bool doCommit = str.IsEmpty();
DispatchTextEvent(str, aAttrString, aSelectedRange, doCommit);
if (Destroyed()) {
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::SetMarkedText, "
"destroyed by text event", this));
return;
}
if (doCommit) {
WidgetCompositionEvent compEnd(true, NS_COMPOSITION_END, mWidget);
InitCompositionEvent(compEnd);
compEnd.data = mLastDispatchedCompositionString;
DispatchEvent(compEnd);
if (Destroyed()) {
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::SetMarkedText, "
"destroyed by compositionend event", this));
return;
}
OnEndIMEComposition();
}
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
NSInteger
IMEInputHandler::ConversationIdentifier()
{
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::ConversationIdentifier, Destroyed()=%s",
this, TrueOrFalse(Destroyed())));
if (Destroyed()) {
return reinterpret_cast<NSInteger>(mView);
}
nsRefPtr<IMEInputHandler> kungFuDeathGrip(this);
// NOTE: The size of NSInteger is same as pointer size.
WidgetQueryContentEvent textContent(true, NS_QUERY_TEXT_CONTENT, mWidget);
textContent.InitForQueryTextContent(0, 0);
DispatchEvent(textContent);
if (!textContent.mSucceeded) {
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::ConversationIdentifier, Failed", this));
return reinterpret_cast<NSInteger>(mView);
}
// XXX This might return same ID as a previously existing editor if the
// deleted editor was created at the same address. Is there a better way?
return reinterpret_cast<NSInteger>(textContent.mReply.mContentsRoot);
}
NSAttributedString*
IMEInputHandler::GetAttributedSubstringFromRange(NSRange& aRange,
NSRange* aActualRange)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::GetAttributedSubstringFromRange, "
"aRange={ location=%llu, length=%llu }, aActualRange=%p, Destroyed()=%s",
this, aRange.location, aRange.length, aActualRange,
TrueOrFalse(Destroyed())));
if (aActualRange) {
*aActualRange = NSMakeRange(NSNotFound, 0);
}
if (Destroyed() || aRange.location == NSNotFound || aRange.length == 0) {
return nil;
}
nsRefPtr<IMEInputHandler> kungFuDeathGrip(this);
nsAutoString str;
WidgetQueryContentEvent textContent(true, NS_QUERY_TEXT_CONTENT, mWidget);
textContent.InitForQueryTextContent(aRange.location, aRange.length);
DispatchEvent(textContent);
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::GetAttributedSubstringFromRange, "
"textContent={ mSucceeded=%s, mReply={ mString=\"%s\", mOffset=%llu } }",
this, TrueOrFalse(textContent.mSucceeded),
NS_ConvertUTF16toUTF8(textContent.mReply.mString).get(),
textContent.mReply.mOffset));
if (!textContent.mSucceeded) {
return nil;
}
NSString* nsstr = nsCocoaUtils::ToNSString(textContent.mReply.mString);
NSAttributedString* result =
[[[NSAttributedString alloc] initWithString:nsstr
attributes:nil] autorelease];
if (aActualRange) {
aActualRange->location = textContent.mReply.mOffset;
aActualRange->length = textContent.mReply.mString.Length();
}
return result;
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}
bool
IMEInputHandler::HasMarkedText()
{
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::HasMarkedText, "
"mMarkedRange={ location=%llu, length=%llu }",
this, mMarkedRange.location, mMarkedRange.length));
return (mMarkedRange.location != NSNotFound) && (mMarkedRange.length != 0);
}
NSRange
IMEInputHandler::MarkedRange()
{
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::MarkedRange, "
"mMarkedRange={ location=%llu, length=%llu }",
this, mMarkedRange.location, mMarkedRange.length));
if (!HasMarkedText()) {
return NSMakeRange(NSNotFound, 0);
}
return mMarkedRange;
}
NSRange
IMEInputHandler::SelectedRange()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::SelectedRange, Destroyed()=%s, mSelectedRange={ "
"location=%llu, length=%llu }",
this, TrueOrFalse(Destroyed()), mSelectedRange.location,
mSelectedRange.length));
if (Destroyed()) {
return mSelectedRange;
}
if (mSelectedRange.location != NSNotFound) {
MOZ_ASSERT(mIMEHasFocus);
return mSelectedRange;
}
nsRefPtr<IMEInputHandler> kungFuDeathGrip(this);
WidgetQueryContentEvent selection(true, NS_QUERY_SELECTED_TEXT, mWidget);
DispatchEvent(selection);
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::SelectedRange, selection={ mSucceeded=%s, "
"mReply={ mOffset=%llu, mString.Length()=%llu } }",
this, TrueOrFalse(selection.mSucceeded), selection.mReply.mOffset,
selection.mReply.mString.Length()));
if (!selection.mSucceeded) {
return mSelectedRange;
}
if (mIMEHasFocus) {
mSelectedRange.location = selection.mReply.mOffset;
mSelectedRange.length = selection.mReply.mString.Length();
return mSelectedRange;
}
return NSMakeRange(selection.mReply.mOffset,
selection.mReply.mString.Length());
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(mSelectedRange);
}
NSRect
IMEInputHandler::FirstRectForCharacterRange(NSRange& aRange,
NSRange* aActualRange)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::FirstRectForCharacterRange, Destroyed()=%s, "
"aRange={ location=%llu, length=%llu }, aActualRange=%p }",
this, TrueOrFalse(Destroyed()), aRange.location, aRange.length,
aActualRange));
// XXX this returns first character rect or caret rect, it is limitation of
// now. We need more work for returns first line rect. But current
// implementation is enough for IMEs.
NSRect rect = NSMakeRect(0.0, 0.0, 0.0, 0.0);
NSRange actualRange = NSMakeRange(NSNotFound, 0);
if (aActualRange) {
*aActualRange = actualRange;
}
if (Destroyed() || aRange.location == NSNotFound) {
return rect;
}
nsRefPtr<IMEInputHandler> kungFuDeathGrip(this);
nsIntRect r;
bool useCaretRect = (aRange.length == 0);
if (!useCaretRect) {
WidgetQueryContentEvent charRect(true, NS_QUERY_TEXT_RECT, mWidget);
charRect.InitForQueryTextRect(aRange.location, 1);
DispatchEvent(charRect);
if (charRect.mSucceeded) {
r = charRect.mReply.mRect;
actualRange.location = charRect.mReply.mOffset;
actualRange.length = charRect.mReply.mString.Length();
} else {
useCaretRect = true;
}
}
if (useCaretRect) {
WidgetQueryContentEvent caretRect(true, NS_QUERY_CARET_RECT, mWidget);
caretRect.InitForQueryCaretRect(aRange.location);
DispatchEvent(caretRect);
if (!caretRect.mSucceeded) {
return rect;
}
r = caretRect.mReply.mRect;
r.width = 0;
actualRange.location = caretRect.mReply.mOffset;
actualRange.length = 0;
}
nsIWidget* rootWidget = mWidget->GetTopLevelWidget();
NSWindow* rootWindow =
static_cast<NSWindow*>(rootWidget->GetNativeData(NS_NATIVE_WINDOW));
NSView* rootView =
static_cast<NSView*>(rootWidget->GetNativeData(NS_NATIVE_WIDGET));
if (!rootWindow || !rootView) {
return rect;
}
rect = nsCocoaUtils::DevPixelsToCocoaPoints(r, mWidget->BackingScaleFactor());
rect = [rootView convertRect:rect toView:nil];
rect.origin = [rootWindow convertBaseToScreen:rect.origin];
if (aActualRange) {
*aActualRange = actualRange;
}
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::FirstRectForCharacterRange, "
"useCaretRect=%s rect={ x=%f, y=%f, width=%f, height=%f }, "
"actualRange={ location=%llu, length=%llu }",
this, TrueOrFalse(useCaretRect), rect.origin.x, rect.origin.y,
rect.size.width, rect.size.height, actualRange.location,
actualRange.length));
return rect;
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(NSMakeRect(0.0, 0.0, 0.0, 0.0));
}
NSUInteger
IMEInputHandler::CharacterIndexForPoint(NSPoint& aPoint)
{
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::CharacterIndexForPoint, aPoint={ x=%f, y=%f }",
this, aPoint.x, aPoint.y));
//nsRefPtr<IMEInputHandler> kungFuDeathGrip(this);
// To implement this, we'd have to grovel in text frames looking at text
// offsets.
return 0;
}
NSArray*
IMEInputHandler::GetValidAttributesForMarkedText()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::GetValidAttributesForMarkedText", this));
//nsRefPtr<IMEInputHandler> kungFuDeathGrip(this);
//return [NSArray arrayWithObjects:NSUnderlineStyleAttributeName,
// NSMarkedClauseSegmentAttributeName,
// NSTextInputReplacementRangeAttributeName,
// nil];
// empty array; we don't support any attributes right now
return [NSArray array];
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}
#pragma mark -
/******************************************************************************
*
* IMEInputHandler implementation #2
*
******************************************************************************/
IMEInputHandler::IMEInputHandler(nsChildView* aWidget,
NSView<mozView> *aNativeView) :
PluginTextInputHandler(aWidget, aNativeView),
mPendingMethods(0), mIMECompositionString(nullptr),
mIsIMEComposing(false), mIsIMEEnabled(true),
mIsASCIICapableOnly(false), mIgnoreIMECommit(false),
mIsInFocusProcessing(false), mIMEHasFocus(false)
{
InitStaticMembers();
mMarkedRange.location = NSNotFound;
mMarkedRange.length = 0;
mSelectedRange.location = NSNotFound;
mSelectedRange.length = 0;
}
IMEInputHandler::~IMEInputHandler()
{
if (mTimer) {
mTimer->Cancel();
mTimer = nullptr;
}
if (sFocusedIMEHandler == this) {
sFocusedIMEHandler = nullptr;
}
}
void
IMEInputHandler::OnFocusChangeInGecko(bool aFocus)
{
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::OnFocusChangeInGecko, aFocus=%s, Destroyed()=%s, "
"sFocusedIMEHandler=%p",
this, TrueOrFalse(aFocus), TrueOrFalse(Destroyed()), sFocusedIMEHandler));
mSelectedRange.location = NSNotFound; // Marking dirty
mIMEHasFocus = aFocus;
// This is called when the native focus is changed and when the native focus
// isn't changed but the focus is changed in Gecko.
if (!aFocus) {
if (sFocusedIMEHandler == this)
sFocusedIMEHandler = nullptr;
return;
}
sFocusedIMEHandler = this;
mIsInFocusProcessing = true;
// We need to notify IME of focus change in Gecko as native focus change
// because the window level of the focused element in Gecko may be changed.
mPendingMethods |= kNotifyIMEOfFocusChangeInGecko;
ResetTimer();
}
bool
IMEInputHandler::OnDestroyWidget(nsChildView* aDestroyingWidget)
{
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::OnDestroyWidget, aDestroyingWidget=%p, "
"sFocusedIMEHandler=%p, IsIMEComposing()=%s",
this, aDestroyingWidget, sFocusedIMEHandler,
TrueOrFalse(IsIMEComposing())));
// If we're not focused, the focused IMEInputHandler may have been
// created by another widget/nsChildView.
if (sFocusedIMEHandler && sFocusedIMEHandler != this) {
sFocusedIMEHandler->OnDestroyWidget(aDestroyingWidget);
}
if (!PluginTextInputHandler::OnDestroyWidget(aDestroyingWidget)) {
return false;
}
if (IsIMEComposing()) {
// If our view is in the composition, we should clean up it.
CancelIMEComposition();
OnEndIMEComposition();
}
mSelectedRange.location = NSNotFound; // Marking dirty
mIMEHasFocus = false;
return true;
}
void
IMEInputHandler::OnStartIMEComposition()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::OnStartIMEComposition, mView=%p, mWidget=%p"
"inputContext=%p, mIsIMEComposing=%s",
this, mView, mWidget, mView ? [mView inputContext] : nullptr,
TrueOrFalse(mIsIMEComposing)));
NS_ASSERTION(!mIsIMEComposing, "There is a composition already");
mIsIMEComposing = true;
mLastDispatchedCompositionString.Truncate();
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void
IMEInputHandler::OnUpdateIMEComposition(NSString* aIMECompositionString)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::OnUpdateIMEComposition, mView=%p, mWidget=%p, "
"inputContext=%p, mIsIMEComposing=%s, aIMECompositionString=\"%s\"",
this, mView, mWidget, mView ? [mView inputContext] : nullptr,
TrueOrFalse(mIsIMEComposing), GetCharacters(aIMECompositionString)));
NS_ASSERTION(mIsIMEComposing, "We're not in composition");
if (mIMECompositionString)
[mIMECompositionString release];
mIMECompositionString = [aIMECompositionString retain];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void
IMEInputHandler::OnEndIMEComposition()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::OnEndIMEComposition, mView=%p, mWidget=%p, "
"inputContext=%p, mIsIMEComposing=%s",
this, mView, mWidget, mView ? [mView inputContext] : nullptr,
TrueOrFalse(mIsIMEComposing)));
NS_ASSERTION(mIsIMEComposing, "We're not in composition");
mIsIMEComposing = false;
if (mIMECompositionString) {
[mIMECompositionString release];
mIMECompositionString = nullptr;
}
mLastDispatchedCompositionString.Truncate();
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void
IMEInputHandler::SendCommittedText(NSString *aString)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::SendCommittedText, mView=%p, mWidget=%p, "
"inputContext=%p, mIsIMEComposing=%s",
this, mView, mWidget, mView ? [mView inputContext] : nullptr,
TrueOrFalse(mIsIMEComposing), mWidget));
NS_ENSURE_TRUE(mWidget, );
// XXX We should send the string without mView.
if (!mView) {
return;
}
NSAttributedString* attrStr =
[[NSAttributedString alloc] initWithString:aString];
[mView insertText:attrStr];
[attrStr release];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void
IMEInputHandler::KillIMEComposition()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::KillIMEComposition, mView=%p, mWidget=%p, "
"inputContext=%p, mIsIMEComposing=%s, "
"Destroyed()=%s, IsFocused()=%s",
this, mView, mWidget, mView ? [mView inputContext] : nullptr,
TrueOrFalse(mIsIMEComposing), TrueOrFalse(Destroyed()),
TrueOrFalse(IsFocused())));
if (Destroyed()) {
return;
}
if (IsFocused()) {
NS_ENSURE_TRUE_VOID(mView);
NSTextInputContext* inputContext = [mView inputContext];
NS_ENSURE_TRUE_VOID(inputContext);
[inputContext discardMarkedText];
return;
}
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::KillIMEComposition, Pending...", this));
// Commit the composition internally.
SendCommittedText(mIMECompositionString);
NS_ASSERTION(!mIsIMEComposing, "We're still in a composition");
// The pending method will be fired by the next focus event.
mPendingMethods |= kDiscardIMEComposition;
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void
IMEInputHandler::CommitIMEComposition()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!IsIMEComposing())
return;
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::CommitIMEComposition, mIMECompositionString=%s",
this, GetCharacters(mIMECompositionString)));
KillIMEComposition();
if (!IsIMEComposing())
return;
// If the composition is still there, KillIMEComposition only kills the
// composition in TSM. We also need to finish the our composition too.
SendCommittedText(mIMECompositionString);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void
IMEInputHandler::CancelIMEComposition()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!IsIMEComposing())
return;
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::CancelIMEComposition, mIMECompositionString=%s",
this, GetCharacters(mIMECompositionString)));
// For canceling the current composing, we need to ignore the param of
// insertText. But this code is ugly...
mIgnoreIMECommit = true;
KillIMEComposition();
mIgnoreIMECommit = false;
if (!IsIMEComposing())
return;
// If the composition is still there, KillIMEComposition only kills the
// composition in TSM. We also need to kill the our composition too.
SendCommittedText(@"");
NS_OBJC_END_TRY_ABORT_BLOCK;
}
bool
IMEInputHandler::IsFocused()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
NS_ENSURE_TRUE(!Destroyed(), false);
NSWindow* window = [mView window];
NS_ENSURE_TRUE(window, false);
return [window firstResponder] == mView &&
[window isKeyWindow] &&
[[NSApplication sharedApplication] isActive];
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(false);
}
bool
IMEInputHandler::IsIMEOpened()
{
TISInputSourceWrapper tis;
tis.InitByCurrentInputSource();
return tis.IsOpenedIMEMode();
}
void
IMEInputHandler::SetASCIICapableOnly(bool aASCIICapableOnly)
{
if (aASCIICapableOnly == mIsASCIICapableOnly)
return;
CommitIMEComposition();
mIsASCIICapableOnly = aASCIICapableOnly;
SyncASCIICapableOnly();
}
void
IMEInputHandler::EnableIME(bool aEnableIME)
{
if (aEnableIME == mIsIMEEnabled)
return;
CommitIMEComposition();
mIsIMEEnabled = aEnableIME;
}
void
IMEInputHandler::SetIMEOpenState(bool aOpenIME)
{
if (!IsFocused() || IsIMEOpened() == aOpenIME)
return;
if (!aOpenIME) {
TISInputSourceWrapper tis;
tis.InitByCurrentASCIICapableInputSource();
tis.Select();
return;
}
// If we know the latest IME opened mode, we should select it.
if (sLatestIMEOpenedModeInputSourceID) {
TISInputSourceWrapper tis;
tis.InitByInputSourceID(sLatestIMEOpenedModeInputSourceID);
tis.Select();
return;
}
// XXX If the current input source is a mode of IME, we should turn on it,
// but we haven't found such way...
// Finally, we should refer the system locale but this is a little expensive,
// we shouldn't retry this (if it was succeeded, we already set
// sLatestIMEOpenedModeInputSourceID at that time).
static bool sIsPrefferredIMESearched = false;
if (sIsPrefferredIMESearched)
return;
sIsPrefferredIMESearched = true;
OpenSystemPreferredLanguageIME();
}
void
IMEInputHandler::OpenSystemPreferredLanguageIME()
{
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::OpenSystemPreferredLanguageIME", this));
CFArrayRef langList = ::CFLocaleCopyPreferredLanguages();
if (!langList) {
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::OpenSystemPreferredLanguageIME, langList is NULL",
this));
return;
}
CFIndex count = ::CFArrayGetCount(langList);
for (CFIndex i = 0; i < count; i++) {
CFLocaleRef locale =
::CFLocaleCreate(kCFAllocatorDefault,
static_cast<CFStringRef>(::CFArrayGetValueAtIndex(langList, i)));
if (!locale) {
continue;
}
bool changed = false;
CFStringRef lang = static_cast<CFStringRef>(
::CFLocaleGetValue(locale, kCFLocaleLanguageCode));
NS_ASSERTION(lang, "lang is null");
if (lang) {
TISInputSourceWrapper tis;
tis.InitByLanguage(lang);
if (tis.IsOpenedIMEMode()) {
#ifdef PR_LOGGING
if (PR_LOG_TEST(gLog, PR_LOG_ALWAYS)) {
CFStringRef foundTIS;
tis.GetInputSourceID(foundTIS);
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p IMEInputHandler::OpenSystemPreferredLanguageIME, "
"foundTIS=%s, lang=%s",
this, GetCharacters(foundTIS), GetCharacters(lang)));
}
#endif // #ifdef PR_LOGGING
tis.Select();
changed = true;
}
}
::CFRelease(locale);
if (changed) {
break;
}
}
::CFRelease(langList);
}
#pragma mark -
/******************************************************************************
*
* PluginTextInputHandler implementation
*
******************************************************************************/
PluginTextInputHandler::PluginTextInputHandler(nsChildView* aWidget,
NSView<mozView> *aNativeView) :
TextInputHandlerBase(aWidget, aNativeView),
mIgnoreNextKeyUpEvent(false),
#ifndef __LP64__
mPluginTSMDoc(0), mPluginTSMInComposition(false),
#endif // #ifndef __LP64__
mPluginComplexTextInputRequested(false)
{
}
PluginTextInputHandler::~PluginTextInputHandler()
{
#ifndef __LP64__
if (mPluginTSMDoc) {
::DeleteTSMDocument(mPluginTSMDoc);
}
#endif // #ifndef __LP64__
}
/* static */ void
PluginTextInputHandler::ConvertCocoaKeyEventToNPCocoaEvent(
NSEvent* aCocoaEvent,
NPCocoaEvent& aPluginEvent)
{
nsCocoaUtils::InitNPCocoaEvent(&aPluginEvent);
NSEventType nativeType = [aCocoaEvent type];
switch (nativeType) {
case NSKeyDown:
aPluginEvent.type = NPCocoaEventKeyDown;
break;
case NSKeyUp:
aPluginEvent.type = NPCocoaEventKeyUp;
break;
case NSFlagsChanged:
aPluginEvent.type = NPCocoaEventFlagsChanged;
break;
default:
NS_WARNING("Asked to convert key event of unknown type to Cocoa plugin event!");
}
aPluginEvent.data.key.modifierFlags = [aCocoaEvent modifierFlags];
aPluginEvent.data.key.keyCode = [aCocoaEvent keyCode];
// don't try to access character data for flags changed events,
// it will raise an exception
if (nativeType != NSFlagsChanged) {
aPluginEvent.data.key.characters = (NPNSString*)[aCocoaEvent characters];
aPluginEvent.data.key.charactersIgnoringModifiers =
(NPNSString*)[aCocoaEvent charactersIgnoringModifiers];
aPluginEvent.data.key.isARepeat = [aCocoaEvent isARepeat];
}
}
#ifndef __LP64__
EventHandlerRef PluginTextInputHandler::sPluginKeyEventsHandler = NULL;
/* static */ void
PluginTextInputHandler::InstallPluginKeyEventsHandler()
{
if (sPluginKeyEventsHandler) {
return;
}
static const EventTypeSpec sTSMEvents[] =
{ { kEventClassTextInput, kEventTextInputUnicodeForKeyEvent } };
::InstallEventHandler(::GetEventDispatcherTarget(),
::NewEventHandlerUPP(PluginKeyEventsHandler),
GetEventTypeCount(sTSMEvents),
sTSMEvents,
NULL,
&sPluginKeyEventsHandler);
}
/* static */ void
PluginTextInputHandler::RemovePluginKeyEventsHandler()
{
if (!sPluginKeyEventsHandler) {
return;
}
::RemoveEventHandler(sPluginKeyEventsHandler);
sPluginKeyEventsHandler = NULL;
}
/* static */ void
PluginTextInputHandler::SwizzleMethods()
{
Class IMKInputSessionClass = ::NSClassFromString(@"IMKInputSession");
nsToolkit::SwizzleMethods(IMKInputSessionClass, @selector(handleEvent:),
@selector(PluginTextInputHandler_IMKInputSession_handleEvent:));
nsToolkit::SwizzleMethods(IMKInputSessionClass, @selector(commitComposition),
@selector(PluginTextInputHandler_IMKInputSession_commitComposition));
nsToolkit::SwizzleMethods(IMKInputSessionClass, @selector(finishSession),
@selector(PluginTextInputHandler_IMKInputSession_finishSession));
}
/* static */ OSStatus
PluginTextInputHandler::PluginKeyEventsHandler(EventHandlerCallRef aHandlerRef,
EventRef aEvent,
void *aUserData)
{
nsAutoreleasePool localPool;
TSMDocumentID activeDoc = ::TSMGetActiveDocument();
NS_ENSURE_TRUE(activeDoc, eventNotHandledErr);
ChildView *target = nil;
OSStatus status = ::TSMGetDocumentProperty(activeDoc,
kFocusedChildViewTSMDocPropertyTag,
sizeof(ChildView *), nil, &target);
NS_ENSURE_TRUE(status == noErr, eventNotHandledErr);
NS_ENSURE_TRUE(target, eventNotHandledErr);
EventRef keyEvent = NULL;
status = ::GetEventParameter(aEvent, kEventParamTextInputSendKeyboardEvent,
typeEventRef, NULL, sizeof(EventRef), NULL,
&keyEvent);
NS_ENSURE_TRUE(status == noErr, eventNotHandledErr);
NS_ENSURE_TRUE(keyEvent, eventNotHandledErr);
nsIWidget* widget = [target widget];
NS_ENSURE_TRUE(widget, eventNotHandledErr);
TextInputHandler* handler =
static_cast<nsChildView*>(widget)->GetTextInputHandler();
NS_ENSURE_TRUE(handler, eventNotHandledErr);
handler->HandleCarbonPluginKeyEvent(keyEvent);
return noErr;
}
// Called from PluginKeyEventsHandler() (a handler for Carbon TSM events) to
// process a Carbon key event for the currently focused plugin. Both Unicode
// characters and "Mac encoding characters" (in the MBCS or "multibyte
// character system") are (or should be) available from aKeyEvent, but here we
// use the MCBS characters. This is how the WebKit does things, and seems to
// be what plugins expect.
void
PluginTextInputHandler::HandleCarbonPluginKeyEvent(EventRef aKeyEvent)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (Destroyed()) {
return;
}
NS_ASSERTION(mView, "mView must not be NULL");
nsRefPtr<nsChildView> kungFuDeathGrip(mWidget);
if ([mView pluginEventModel] == NPEventModelCocoa) {
UInt32 size;
OSStatus status =
::GetEventParameter(aKeyEvent, kEventParamKeyUnicodes, typeUnicodeText,
NULL, 0, &size, NULL);
NS_ENSURE_TRUE(status == noErr, );
UniChar* chars = (UniChar*)malloc(size);
NS_ENSURE_TRUE(chars, );
status = ::GetEventParameter(aKeyEvent, kEventParamKeyUnicodes,
typeUnicodeText, NULL, size, NULL, chars);
if (status != noErr) {
free(chars);
return;
}
CFStringRef text =
::CFStringCreateWithCharactersNoCopy(kCFAllocatorDefault, chars,
(size / sizeof(UniChar)),
kCFAllocatorNull);
if (!text) {
free(chars);
return;
}
NPCocoaEvent cocoaTextEvent;
nsCocoaUtils::InitNPCocoaEvent(&cocoaTextEvent);
cocoaTextEvent.type = NPCocoaEventTextInput;
cocoaTextEvent.data.text.text = (NPNSString*)text;
WidgetPluginEvent pluginEvent(true, NS_PLUGIN_INPUT_EVENT, mWidget);
nsCocoaUtils::InitPluginEvent(pluginEvent, cocoaTextEvent);
DispatchEvent(pluginEvent);
::CFRelease(text);
free(chars);
return;
}
UInt32 numCharCodes;
OSStatus status = ::GetEventParameter(aKeyEvent, kEventParamKeyMacCharCodes,
typeChar, NULL, 0, &numCharCodes, NULL);
NS_ENSURE_TRUE(status == noErr, );
nsAutoTArray<unsigned char, 3> charCodes;
charCodes.SetLength(numCharCodes);
status = ::GetEventParameter(aKeyEvent, kEventParamKeyMacCharCodes,
typeChar, NULL, numCharCodes, NULL,
charCodes.Elements());
NS_ENSURE_TRUE(status == noErr, );
UInt32 modifiers;
status = ::GetEventParameter(aKeyEvent, kEventParamKeyModifiers,
typeUInt32, NULL, sizeof(modifiers), NULL,
&modifiers);
NS_ENSURE_TRUE(status == noErr, );
NSUInteger cocoaModifiers = 0;
if (modifiers & shiftKey) {
cocoaModifiers |= NSShiftKeyMask;
}
if (modifiers & controlKey) {
cocoaModifiers |= NSControlKeyMask;
}
if (modifiers & optionKey) {
cocoaModifiers |= NSAlternateKeyMask;
}
if (modifiers & cmdKey) { // Should never happen
cocoaModifiers |= NSCommandKeyMask;
}
UInt32 macKeyCode;
status = ::GetEventParameter(aKeyEvent, kEventParamKeyCode,
typeUInt32, NULL, sizeof(macKeyCode), NULL,
&macKeyCode);
NS_ENSURE_TRUE(status == noErr, );
TISInputSourceWrapper& currentInputSource =
TISInputSourceWrapper::CurrentInputSource();
EventRef cloneEvent = ::CopyEvent(aKeyEvent);
for (uint32_t i = 0; i < numCharCodes; ++i) {
status = ::SetEventParameter(cloneEvent, kEventParamKeyMacCharCodes,
typeChar, 1, charCodes.Elements() + i);
NS_ENSURE_TRUE(status == noErr, );
EventRecord eventRec;
if (::ConvertEventRefToEventRecord(cloneEvent, &eventRec)) {
WidgetKeyboardEvent keydownEvent(true, NS_KEY_DOWN, mWidget);
nsCocoaUtils::InitInputEvent(keydownEvent, cocoaModifiers);
uint32_t keyCode =
currentInputSource.ComputeGeckoKeyCode(macKeyCode, ::LMGetKbdType(),
keydownEvent.IsMeta());
uint32_t charCode(charCodes.ElementAt(i));
keydownEvent.time = PR_IntervalNow();
keydownEvent.pluginEvent = &eventRec;
if (IsSpecialGeckoKey(macKeyCode)) {
keydownEvent.keyCode = keyCode;
} else {
// XXX This is wrong. charCode must be 0 for keydown event.
keydownEvent.charCode = charCode;
keydownEvent.isChar = true;
}
DispatchEvent(keydownEvent);
if (Destroyed()) {
break;
}
}
}
::ReleaseEvent(cloneEvent);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void
PluginTextInputHandler::ActivatePluginTSMDocument()
{
if (!mPluginTSMDoc) {
// Create a TSM document that supports both non-Unicode and Unicode input.
// Though ProcessPluginKeyEvent() only sends Mac char codes to
// the plugin, this makes the input window behave better when it contains
// more than one kind of input (say Hiragana and Romaji). This is what
// the OS does when it creates a TSM document for use by an
// NSTSMInputContext class.
InterfaceTypeList supportedServices;
supportedServices[0] = kTextServiceDocumentInterfaceType;
supportedServices[1] = kUnicodeDocumentInterfaceType;
::NewTSMDocument(2, supportedServices, &mPluginTSMDoc, 0);
// We'll need to use the "input window".
::UseInputWindow(mPluginTSMDoc, YES);
::ActivateTSMDocument(mPluginTSMDoc);
} else if (::TSMGetActiveDocument() != mPluginTSMDoc) {
::ActivateTSMDocument(mPluginTSMDoc);
}
}
#endif // #ifndef __LP64__
void
PluginTextInputHandler::HandleKeyDownEventForPlugin(NSEvent* aNativeKeyEvent)
{
if (Destroyed()) {
return;
}
NS_ASSERTION(mView, "mView must not be NULL");
#ifdef __LP64__
if ([mView pluginEventModel] != NPEventModelCocoa) {
return;
}
ComplexTextInputPanel* ctiPanel =
[ComplexTextInputPanel sharedComplexTextInputPanel];
// If a composition is in progress then simply let the input panel continue
// it.
if (IsInPluginComposition()) {
// Don't send key up events for key downs associated with compositions.
mIgnoreNextKeyUpEvent = true;
NSString* textString = nil;
[ctiPanel interpretKeyEvent:aNativeKeyEvent string:&textString];
if (textString) {
DispatchCocoaNPAPITextEvent(textString);
}
return;
}
// Reset complex text input request flag.
mPluginComplexTextInputRequested = false;
// Send key down event to the plugin.
WidgetPluginEvent pluginEvent(true, NS_PLUGIN_INPUT_EVENT, mWidget);
NPCocoaEvent cocoaEvent;
ConvertCocoaKeyEventToNPCocoaEvent(aNativeKeyEvent, cocoaEvent);
nsCocoaUtils::InitPluginEvent(pluginEvent, cocoaEvent);
DispatchEvent(pluginEvent);
if (Destroyed()) {
return;
}
// Start complex text composition if requested.
if (mPluginComplexTextInputRequested) {
// Don't send key up events for key downs associated with compositions.
mIgnoreNextKeyUpEvent = true;
NSString* textString = nil;
[ctiPanel interpretKeyEvent:aNativeKeyEvent string:&textString];
if (textString) {
DispatchCocoaNPAPITextEvent(textString);
}
}
#else // #ifdef __LP64__
bool wasInComposition = false;
if ([mView pluginEventModel] == NPEventModelCocoa) {
if (IsInPluginComposition()) {
wasInComposition = true;
// Don't send key up events for key downs associated with compositions.
mIgnoreNextKeyUpEvent = true;
} else {
// Reset complex text input request flag.
mPluginComplexTextInputRequested = false;
// Send key down event to the plugin.
WidgetPluginEvent pluginEvent(true, NS_PLUGIN_INPUT_EVENT, mWidget);
NPCocoaEvent cocoaEvent;
ConvertCocoaKeyEventToNPCocoaEvent(aNativeKeyEvent, cocoaEvent);
nsCocoaUtils::InitPluginEvent(pluginEvent, cocoaEvent);
DispatchEvent(pluginEvent);
if (Destroyed()) {
return;
}
// Only continue if plugin wants complex text input.
if (!mPluginComplexTextInputRequested) {
return;
}
// Don't send key up events for key downs associated with compositions.
mIgnoreNextKeyUpEvent = true;
}
// Don't send complex text input to a plugin in Cocoa event mode if
// either the Control key or the Command key is pressed -- even if the
// plugin has requested it, or we are already in IME composition. This
// conforms to our behavior in 64-bit mode and fixes bug 619217.
NSUInteger modifierFlags = [aNativeKeyEvent modifierFlags];
if ((modifierFlags & NSControlKeyMask) ||
(modifierFlags & NSCommandKeyMask)) {
return;
}
}
// This will take care of all Carbon plugin events and also send Cocoa plugin
// text events when NSInputContext is not available (ifndef NP_NO_CARBON).
ActivatePluginTSMDocument();
// We use the active TSM document to pass a pointer to ourselves (the
// currently focused ChildView) to PluginKeyEventsHandler(). Because this
// pointer is weak, we should retain and release ourselves around the call
// to TSMProcessRawKeyEvent().
nsAutoRetainCocoaObject kungFuDeathGrip(mView);
::TSMSetDocumentProperty(mPluginTSMDoc,
kFocusedChildViewTSMDocPropertyTag,
sizeof(ChildView *), &mView);
::TSMProcessRawKeyEvent([aNativeKeyEvent _eventRef]);
::TSMRemoveDocumentProperty(mPluginTSMDoc,
kFocusedChildViewTSMDocPropertyTag);
#endif // #ifdef __LP64__ else
}
void
PluginTextInputHandler::HandleKeyUpEventForPlugin(NSEvent* aNativeKeyEvent)
{
if (mIgnoreNextKeyUpEvent) {
mIgnoreNextKeyUpEvent = false;
return;
}
if (Destroyed()) {
return;
}
NS_ASSERTION(mView, "mView must not be NULL");
NPEventModel eventModel = [mView pluginEventModel];
if (eventModel == NPEventModelCocoa) {
// Don't send key up events to Cocoa plugins during composition.
if (IsInPluginComposition()) {
return;
}
WidgetKeyboardEvent keyupEvent(true, NS_KEY_UP, mWidget);
InitKeyEvent(aNativeKeyEvent, keyupEvent);
NPCocoaEvent pluginEvent;
ConvertCocoaKeyEventToNPCocoaEvent(aNativeKeyEvent, pluginEvent);
keyupEvent.pluginEvent = &pluginEvent;
DispatchEvent(keyupEvent);
return;
}
}
bool
PluginTextInputHandler::IsInPluginComposition()
{
return
#ifdef __LP64__
[[ComplexTextInputPanel sharedComplexTextInputPanel] inComposition] != NO;
#else // #ifdef __LP64__
mPluginTSMInComposition;
#endif // #ifdef __LP64__ else
}
bool
PluginTextInputHandler::DispatchCocoaNPAPITextEvent(NSString* aString)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
NPCocoaEvent cocoaTextEvent;
nsCocoaUtils::InitNPCocoaEvent(&cocoaTextEvent);
cocoaTextEvent.type = NPCocoaEventTextInput;
cocoaTextEvent.data.text.text = (NPNSString*)aString;
WidgetPluginEvent pluginEvent(true, NS_PLUGIN_INPUT_EVENT, mWidget);
nsCocoaUtils::InitPluginEvent(pluginEvent, cocoaTextEvent);
return DispatchEvent(pluginEvent);
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(false);
}
#pragma mark -
#ifndef __LP64__
/******************************************************************************
*
* PluginTextInputHandler_IMKInputSession_* implementation
*
******************************************************************************/
// IMKInputSession is an undocumented class in the HIToolbox framework. It's
// present on both Leopard and SnowLeopard, and is used at a low level to
// process IME input regardless of which high-level API is used (Text Services
// Manager or Cocoa). It works the same way in both 32-bit and 64-bit code.
@interface NSObject (IMKInputSessionMethodSwizzling)
- (BOOL)PluginTextInputHandler_IMKInputSession_handleEvent:(EventRef)theEvent;
- (void)PluginTextInputHandler_IMKInputSession_commitComposition;
- (void)PluginTextInputHandler_IMKInputSession_finishSession;
@end
@implementation NSObject (IMKInputSessionMethodSwizzling)
- (BOOL)PluginTextInputHandler_IMKInputSession_handleEvent:(EventRef)theEvent
{
[self retain];
BOOL retval =
[self PluginTextInputHandler_IMKInputSession_handleEvent:theEvent];
NSUInteger retainCount = [self retainCount];
[self release];
// Return without doing anything if we've been deleted.
if (retainCount == 1) {
return retval;
}
NSWindow *mainWindow = [NSApp mainWindow];
NSResponder *firstResponder = [mainWindow firstResponder];
if (![firstResponder isKindOfClass:[ChildView class]]) {
return retval;
}
// 'charactersEntered' is the length (in bytes) of currently "marked text"
// -- text that's been entered in IME but not yet committed. If it's
// non-zero we're composing text in an IME session; if it's zero we're
// not in an IME session.
NSInteger entered = 0;
object_getInstanceVariable(self, "charactersEntered",
(void **) &entered);
nsIWidget* widget = [(ChildView*)firstResponder widget];
NS_ENSURE_TRUE(widget, retval);
TextInputHandler* handler =
static_cast<nsChildView*>(widget)->GetTextInputHandler();
NS_ENSURE_TRUE(handler, retval);
handler->SetPluginTSMInComposition(entered != 0);
return retval;
}
// This method is called whenever IME input is committed as a result of an
// "abnormal" termination -- for example when changing the keyboard focus from
// one input field to another.
- (void)PluginTextInputHandler_IMKInputSession_commitComposition
{
NSWindow *mainWindow = [NSApp mainWindow];
NSResponder *firstResponder = [mainWindow firstResponder];
if ([firstResponder isKindOfClass:[ChildView class]]) {
nsIWidget* widget = [(ChildView*)firstResponder widget];
if (widget) {
TextInputHandler* handler =
static_cast<nsChildView*>(widget)->GetTextInputHandler();
if (handler) {
handler->SetPluginTSMInComposition(false);
}
}
}
[self PluginTextInputHandler_IMKInputSession_commitComposition];
}
// This method is called just before we're deallocated.
- (void)PluginTextInputHandler_IMKInputSession_finishSession
{
NSWindow *mainWindow = [NSApp mainWindow];
NSResponder *firstResponder = [mainWindow firstResponder];
if ([firstResponder isKindOfClass:[ChildView class]]) {
nsIWidget* widget = [(ChildView*)firstResponder widget];
if (widget) {
TextInputHandler* handler =
static_cast<nsChildView*>(widget)->GetTextInputHandler();
if (handler) {
handler->SetPluginTSMInComposition(false);
}
}
}
[self PluginTextInputHandler_IMKInputSession_finishSession];
}
@end
#endif // #ifndef __LP64__
#pragma mark -
/******************************************************************************
*
* TextInputHandlerBase implementation
*
******************************************************************************/
int32_t TextInputHandlerBase::sSecureEventInputCount = 0;
TextInputHandlerBase::TextInputHandlerBase(nsChildView* aWidget,
NSView<mozView> *aNativeView) :
mWidget(aWidget)
{
gHandlerInstanceCount++;
mView = [aNativeView retain];
}
TextInputHandlerBase::~TextInputHandlerBase()
{
[mView release];
if (--gHandlerInstanceCount == 0) {
FinalizeCurrentInputSource();
}
}
bool
TextInputHandlerBase::OnDestroyWidget(nsChildView* aDestroyingWidget)
{
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TextInputHandlerBase::OnDestroyWidget, "
"aDestroyingWidget=%p, mWidget=%p",
this, aDestroyingWidget, mWidget));
if (aDestroyingWidget != mWidget) {
return false;
}
mWidget = nullptr;
return true;
}
bool
TextInputHandlerBase::DispatchEvent(WidgetGUIEvent& aEvent)
{
if (aEvent.message == NS_KEY_PRESS) {
WidgetInputEvent& inputEvent = *aEvent.AsInputEvent();
if (!inputEvent.IsMeta()) {
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TextInputHandlerBase::DispatchEvent, hiding mouse cursor", this));
[NSCursor setHiddenUntilMouseMoves:YES];
}
}
return mWidget->DispatchWindowEvent(aEvent);
}
void
TextInputHandlerBase::InitKeyEvent(NSEvent *aNativeKeyEvent,
WidgetKeyboardEvent& aKeyEvent,
const nsAString* aInsertString)
{
NS_ASSERTION(aNativeKeyEvent, "aNativeKeyEvent must not be NULL");
if (mKeyboardOverride.mOverrideEnabled) {
TISInputSourceWrapper tis;
tis.InitByLayoutID(mKeyboardOverride.mKeyboardLayout, true);
tis.InitKeyEvent(aNativeKeyEvent, aKeyEvent, aInsertString);
return;
}
TISInputSourceWrapper::CurrentInputSource().
InitKeyEvent(aNativeKeyEvent, aKeyEvent, aInsertString);
}
nsresult
TextInputHandlerBase::SynthesizeNativeKeyEvent(
int32_t aNativeKeyboardLayout,
int32_t aNativeKeyCode,
uint32_t aModifierFlags,
const nsAString& aCharacters,
const nsAString& aUnmodifiedCharacters)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
static const uint32_t sModifierFlagMap[][2] = {
{ nsIWidget::CAPS_LOCK, NSAlphaShiftKeyMask },
{ nsIWidget::SHIFT_L, NSShiftKeyMask | 0x0002 },
{ nsIWidget::SHIFT_R, NSShiftKeyMask | 0x0004 },
{ nsIWidget::CTRL_L, NSControlKeyMask | 0x0001 },
{ nsIWidget::CTRL_R, NSControlKeyMask | 0x2000 },
{ nsIWidget::ALT_L, NSAlternateKeyMask | 0x0020 },
{ nsIWidget::ALT_R, NSAlternateKeyMask | 0x0040 },
{ nsIWidget::COMMAND_L, NSCommandKeyMask | 0x0008 },
{ nsIWidget::COMMAND_R, NSCommandKeyMask | 0x0010 },
{ nsIWidget::NUMERIC_KEY_PAD, NSNumericPadKeyMask },
{ nsIWidget::HELP, NSHelpKeyMask },
{ nsIWidget::FUNCTION, NSFunctionKeyMask }
};
uint32_t modifierFlags = 0;
for (uint32_t i = 0; i < ArrayLength(sModifierFlagMap); ++i) {
if (aModifierFlags & sModifierFlagMap[i][0]) {
modifierFlags |= sModifierFlagMap[i][1];
}
}
NSInteger windowNumber = [[mView window] windowNumber];
bool sendFlagsChangedEvent = IsModifierKey(aNativeKeyCode);
NSEventType eventType = sendFlagsChangedEvent ? NSFlagsChanged : NSKeyDown;
NSEvent* downEvent =
[NSEvent keyEventWithType:eventType
location:NSMakePoint(0,0)
modifierFlags:modifierFlags
timestamp:0
windowNumber:windowNumber
context:[NSGraphicsContext currentContext]
characters:nsCocoaUtils::ToNSString(aCharacters)
charactersIgnoringModifiers:nsCocoaUtils::ToNSString(aUnmodifiedCharacters)
isARepeat:NO
keyCode:aNativeKeyCode];
NSEvent* upEvent = sendFlagsChangedEvent ?
nil : nsCocoaUtils::MakeNewCocoaEventWithType(NSKeyUp, downEvent);
if (downEvent && (sendFlagsChangedEvent || upEvent)) {
KeyboardLayoutOverride currentLayout = mKeyboardOverride;
mKeyboardOverride.mKeyboardLayout = aNativeKeyboardLayout;
mKeyboardOverride.mOverrideEnabled = true;
[NSApp sendEvent:downEvent];
if (upEvent) {
[NSApp sendEvent:upEvent];
}
// processKeyDownEvent and keyUp block exceptions so we're sure to
// reach here to restore mKeyboardOverride
mKeyboardOverride = currentLayout;
}
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NSInteger
TextInputHandlerBase::GetWindowLevel()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TextInputHandlerBase::GetWindowLevel, Destryoed()=%s",
this, TrueOrFalse(Destroyed())));
if (Destroyed()) {
return NSNormalWindowLevel;
}
// When an <input> element on a XUL <panel> is focused, the actual focused view
// is the panel's parent view (mView). But the editor is displayed on the
// popped-up widget's view (editorView). We want the latter's window level.
NSView<mozView>* editorView = mWidget->GetEditorView();
NS_ENSURE_TRUE(editorView, NSNormalWindowLevel);
NSInteger windowLevel = [[editorView window] level];
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TextInputHandlerBase::GetWindowLevel, windowLevel=%s (%X)",
this, GetWindowLevelName(windowLevel), windowLevel));
return windowLevel;
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(NSNormalWindowLevel);
}
NS_IMETHODIMP
TextInputHandlerBase::AttachNativeKeyEvent(WidgetKeyboardEvent& aKeyEvent)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
// Don't try to replace a native event if one already exists.
// OS X doesn't have an OS modifier, can't make a native event.
if (aKeyEvent.mNativeKeyEvent || aKeyEvent.modifiers & MODIFIER_OS) {
return NS_OK;
}
PR_LOG(gLog, PR_LOG_ALWAYS,
("%p TextInputHandlerBase::AttachNativeKeyEvent, key=0x%X, char=0x%X, "
"mod=0x%X", this, aKeyEvent.keyCode, aKeyEvent.charCode,
aKeyEvent.modifiers));
NSEventType eventType;
if (aKeyEvent.message == NS_KEY_UP) {
eventType = NSKeyUp;
} else {
eventType = NSKeyDown;
}
static const uint32_t sModifierFlagMap[][2] = {
{ MODIFIER_SHIFT, NSShiftKeyMask },
{ MODIFIER_CONTROL, NSControlKeyMask },
{ MODIFIER_ALT, NSAlternateKeyMask },
{ MODIFIER_ALTGRAPH, NSAlternateKeyMask },
{ MODIFIER_META, NSCommandKeyMask },
{ MODIFIER_CAPSLOCK, NSAlphaShiftKeyMask },
{ MODIFIER_NUMLOCK, NSNumericPadKeyMask }
};
NSUInteger modifierFlags = 0;
for (uint32_t i = 0; i < ArrayLength(sModifierFlagMap); ++i) {
if (aKeyEvent.modifiers & sModifierFlagMap[i][0]) {
modifierFlags |= sModifierFlagMap[i][1];
}
}
NSInteger windowNumber = [[mView window] windowNumber];
NSString* characters;
if (aKeyEvent.charCode) {
characters = [NSString stringWithCharacters:
reinterpret_cast<const unichar*>(&(aKeyEvent.charCode)) length:1];
} else {
uint32_t cocoaCharCode =
nsCocoaUtils::ConvertGeckoKeyCodeToMacCharCode(aKeyEvent.keyCode);
characters = [NSString stringWithCharacters:
reinterpret_cast<const unichar*>(&cocoaCharCode) length:1];
}
aKeyEvent.mNativeKeyEvent =
[NSEvent keyEventWithType:eventType
location:NSMakePoint(0,0)
modifierFlags:modifierFlags
timestamp:0
windowNumber:windowNumber
context:[NSGraphicsContext currentContext]
characters:characters
charactersIgnoringModifiers:characters
isARepeat:NO
keyCode:0]; // Native key code not currently needed
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
bool
TextInputHandlerBase::SetSelection(NSRange& aRange)
{
MOZ_ASSERT(!Destroyed());
nsRefPtr<TextInputHandlerBase> kungFuDeathGrip(this);
WidgetSelectionEvent selectionEvent(true, NS_SELECTION_SET, mWidget);
selectionEvent.mOffset = aRange.location;
selectionEvent.mLength = aRange.length;
selectionEvent.mReversed = false;
selectionEvent.mExpandToClusterBoundary = false;
DispatchEvent(selectionEvent);
NS_ENSURE_TRUE(selectionEvent.mSucceeded, false);
return !Destroyed();
}
/* static */ bool
TextInputHandlerBase::IsPrintableChar(PRUnichar aChar)
{
return (aChar >= 0x20 && aChar <= 0x7E) || aChar >= 0xA0;
}
/* static */ bool
TextInputHandlerBase::IsSpecialGeckoKey(UInt32 aNativeKeyCode)
{
// this table is used to determine which keys are special and should not
// generate a charCode
switch (aNativeKeyCode) {
// modifiers - we don't get separate events for these yet
case kVK_Escape:
case kVK_Shift:
case kVK_RightShift:
case kVK_Command:
case kVK_RightCommand:
case kVK_CapsLock:
case kVK_Control:
case kVK_RightControl:
case kVK_Option:
case kVK_RightOption:
case kVK_ANSI_KeypadClear:
case kVK_Function:
// function keys
case kVK_F1:
case kVK_F2:
case kVK_F3:
case kVK_F4:
case kVK_F5:
case kVK_F6:
case kVK_F7:
case kVK_F8:
case kVK_F9:
case kVK_F10:
case kVK_F11:
case kVK_F12:
case kVK_PC_Pause:
case kVK_PC_ScrollLock:
case kVK_PC_PrintScreen:
case kVK_F16:
case kVK_F17:
case kVK_F18:
case kVK_F19:
case kVK_PC_Insert:
case kVK_PC_Delete:
case kVK_Tab:
case kVK_PC_Backspace:
case kVK_PC_ContextMenu:
case kVK_JIS_Eisu:
case kVK_JIS_Kana:
case kVK_Home:
case kVK_End:
case kVK_PageUp:
case kVK_PageDown:
case kVK_LeftArrow:
case kVK_RightArrow:
case kVK_UpArrow:
case kVK_DownArrow:
case kVK_Return:
case kVK_ANSI_KeypadEnter:
case kVK_Powerbook_KeypadEnter:
return true;
}
return false;
}
/* static */ bool
TextInputHandlerBase::IsNormalCharInputtingEvent(
const WidgetKeyboardEvent& aKeyEvent)
{
// this is not character inputting event, simply.
if (!aKeyEvent.isChar || !aKeyEvent.charCode || aKeyEvent.IsMeta()) {
return false;
}
// if this is unicode char inputting event, we don't need to check
// ctrl/alt/command keys
if (aKeyEvent.charCode > 0x7F) {
return true;
}
// ASCII chars should be inputted without ctrl/alt/command keys
return !aKeyEvent.IsControl() && !aKeyEvent.IsAlt();
}
/* static */ bool
TextInputHandlerBase::IsModifierKey(UInt32 aNativeKeyCode)
{
switch (aNativeKeyCode) {
case kVK_CapsLock:
case kVK_RightCommand:
case kVK_Command:
case kVK_Shift:
case kVK_Option:
case kVK_Control:
case kVK_RightShift:
case kVK_RightOption:
case kVK_RightControl:
case kVK_Function:
return true;
}
return false;
}
/* static */ void
TextInputHandlerBase::EnableSecureEventInput()
{
sSecureEventInputCount++;
::EnableSecureEventInput();
}
/* static */ void
TextInputHandlerBase::DisableSecureEventInput()
{
if (!sSecureEventInputCount) {
return;
}
sSecureEventInputCount--;
::DisableSecureEventInput();
}
/* static */ bool
TextInputHandlerBase::IsSecureEventInputEnabled()
{
NS_ASSERTION(!!sSecureEventInputCount == !!::IsSecureEventInputEnabled(),
"Some other process has enabled secure event input");
return !!sSecureEventInputCount;
}
/* static */ void
TextInputHandlerBase::EnsureSecureEventInputDisabled()
{
while (sSecureEventInputCount) {
TextInputHandlerBase::DisableSecureEventInput();
}
}
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