/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 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 "DrawEventRecorder.h"
#include "PathRecording.h"
#include "RecordingTypes.h"

namespace mozilla {
namespace gfx {

using namespace std;

DrawEventRecorderPrivate::DrawEventRecorderPrivate() : mExternalFonts(false) {}

void DrawEventRecorderFile::RecordEvent(const RecordedEvent &aEvent) {
  WriteElement(mOutputStream, aEvent.mType);

  aEvent.RecordToStream(mOutputStream);

  Flush();
}

void DrawEventRecorderMemory::RecordEvent(const RecordedEvent &aEvent) {
  WriteElement(mOutputStream, aEvent.mType);

  aEvent.RecordToStream(mOutputStream);
}

DrawEventRecorderFile::DrawEventRecorderFile(const char_type *aFilename)
    : mOutputStream(aFilename, ofstream::binary) {
  WriteHeader(mOutputStream);
}

DrawEventRecorderFile::~DrawEventRecorderFile() { mOutputStream.close(); }

void DrawEventRecorderFile::Flush() { mOutputStream.flush(); }

bool DrawEventRecorderFile::IsOpen() { return mOutputStream.is_open(); }

void DrawEventRecorderFile::OpenNew(const char_type *aFilename) {
  MOZ_ASSERT(!mOutputStream.is_open());

  mOutputStream.open(aFilename, ofstream::binary);
  WriteHeader(mOutputStream);
}

void DrawEventRecorderFile::Close() {
  MOZ_ASSERT(mOutputStream.is_open());

  mOutputStream.close();
}

DrawEventRecorderMemory::DrawEventRecorderMemory() {
  WriteHeader(mOutputStream);
}

DrawEventRecorderMemory::DrawEventRecorderMemory(
    const SerializeResourcesFn &aFn)
    : mSerializeCallback(aFn) {
  mExternalFonts = true;
  WriteHeader(mOutputStream);
}

void DrawEventRecorderMemory::Flush() {}

void DrawEventRecorderMemory::FlushItem(IntRect aRect) {
  DetatchResources();
  WriteElement(mIndex, mOutputStream.mLength);
  mSerializeCallback(mOutputStream, mUnscaledFonts);
  WriteElement(mIndex, mOutputStream.mLength);
  ClearResources();
}

void DrawEventRecorderMemory::Finish() {
  size_t indexOffset = mOutputStream.mLength;
  // write out the index
  mOutputStream.write(mIndex.mData, mIndex.mLength);
  mIndex = MemStream();
  // write out the offset of the Index to the end of the output stream
  WriteElement(mOutputStream, indexOffset);
  ClearResources();
}

size_t DrawEventRecorderMemory::RecordingSize() {
  return mOutputStream.mLength;
}

void DrawEventRecorderMemory::WipeRecording() {
  mOutputStream = MemStream();
  mIndex = MemStream();

  WriteHeader(mOutputStream);
}

}  // namespace gfx
}  // namespace mozilla