chromium/chrome/browser/image_decoder/image_decoder.h

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_IMAGE_DECODER_IMAGE_DECODER_H_
#define CHROME_BROWSER_IMAGE_DECODER_IMAGE_DECODER_H_

#include <map>
#include <string>
#include <vector>

#include "base/memory/raw_ptr.h"
#include "base/memory/ref_counted.h"
#include "base/no_destructor.h"
#include "base/sequence_checker.h"
#include "base/synchronization/lock.h"
#include "base/task/sequenced_task_runner.h"
#include "ui/gfx/geometry/size.h"

namespace data_decoder {
class DataDecoder;
}  // namespace data_decoder

namespace gfx {
class Size;
}  // namespace gfx

class SkBitmap;

// This is a helper class for decoding images safely in a sandboxed service. To
// use this, call ImageDecoder::Start(...) or
// ImageDecoder::StartWithOptions(...) on any thread.
//
// ImageRequest::OnImageDecoded or ImageRequest::OnDecodeImageFailed is posted
// back to the |task_runner_| associated with the ImageRequest.
//
// The Cancel() method runs on whichever thread called it.
//
// TODO(rockot): Use of this class should be replaced with direct image_decoder
// client library usage.
class ImageDecoder { … };

#endif  // CHROME_BROWSER_IMAGE_DECODER_IMAGE_DECODER_H_