gecko-dev/image/MultipartImage.h
Birunthan Mohanathas db2ca75447 Bug 1038536 - Flatten image/src/ directory. r=seth
--HG--
rename : image/src/BMPFileHeaders.h => image/BMPFileHeaders.h
rename : image/src/ClippedImage.cpp => image/ClippedImage.cpp
rename : image/src/ClippedImage.h => image/ClippedImage.h
rename : image/src/DecodePool.cpp => image/DecodePool.cpp
rename : image/src/DecodePool.h => image/DecodePool.h
rename : image/src/Decoder.cpp => image/Decoder.cpp
rename : image/src/Decoder.h => image/Decoder.h
rename : image/src/Downscaler.cpp => image/Downscaler.cpp
rename : image/src/Downscaler.h => image/Downscaler.h
rename : image/src/DynamicImage.cpp => image/DynamicImage.cpp
rename : image/src/DynamicImage.h => image/DynamicImage.h
rename : image/src/FrameAnimator.cpp => image/FrameAnimator.cpp
rename : image/src/FrameAnimator.h => image/FrameAnimator.h
rename : image/src/FrozenImage.cpp => image/FrozenImage.cpp
rename : image/src/FrozenImage.h => image/FrozenImage.h
rename : image/src/ICOFileHeaders.h => image/ICOFileHeaders.h
rename : image/src/IProgressObserver.h => image/IProgressObserver.h
rename : image/src/Image.cpp => image/Image.cpp
rename : image/src/Image.h => image/Image.h
rename : image/src/ImageFactory.cpp => image/ImageFactory.cpp
rename : image/src/ImageFactory.h => image/ImageFactory.h
rename : image/src/ImageMetadata.cpp => image/ImageMetadata.cpp
rename : image/src/ImageMetadata.h => image/ImageMetadata.h
rename : image/src/ImageOps.cpp => image/ImageOps.cpp
rename : image/src/ImageOps.h => image/ImageOps.h
rename : image/src/ImageRegion.h => image/ImageRegion.h
rename : image/src/ImageURL.h => image/ImageURL.h
rename : image/src/ImageWrapper.cpp => image/ImageWrapper.cpp
rename : image/src/ImageWrapper.h => image/ImageWrapper.h
rename : image/src/MultipartImage.cpp => image/MultipartImage.cpp
rename : image/src/MultipartImage.h => image/MultipartImage.h
rename : image/src/Orientation.h => image/Orientation.h
rename : image/src/OrientedImage.cpp => image/OrientedImage.cpp
rename : image/src/OrientedImage.h => image/OrientedImage.h
rename : image/src/ProgressTracker.cpp => image/ProgressTracker.cpp
rename : image/src/ProgressTracker.h => image/ProgressTracker.h
rename : image/src/RasterImage.cpp => image/RasterImage.cpp
rename : image/src/RasterImage.h => image/RasterImage.h
rename : image/src/SVGDocumentWrapper.cpp => image/SVGDocumentWrapper.cpp
rename : image/src/SVGDocumentWrapper.h => image/SVGDocumentWrapper.h
rename : image/src/ScriptedNotificationObserver.cpp => image/ScriptedNotificationObserver.cpp
rename : image/src/ScriptedNotificationObserver.h => image/ScriptedNotificationObserver.h
rename : image/src/ShutdownTracker.cpp => image/ShutdownTracker.cpp
rename : image/src/ShutdownTracker.h => image/ShutdownTracker.h
rename : image/src/SourceBuffer.cpp => image/SourceBuffer.cpp
rename : image/src/SourceBuffer.h => image/SourceBuffer.h
rename : image/src/SurfaceCache.cpp => image/SurfaceCache.cpp
rename : image/src/SurfaceCache.h => image/SurfaceCache.h
rename : image/src/VectorImage.cpp => image/VectorImage.cpp
rename : image/src/VectorImage.h => image/VectorImage.h
rename : image/src/imgFrame.cpp => image/imgFrame.cpp
rename : image/src/imgFrame.h => image/imgFrame.h
rename : image/src/imgLoader.cpp => image/imgLoader.cpp
rename : image/src/imgLoader.h => image/imgLoader.h
rename : image/src/imgRequest.cpp => image/imgRequest.cpp
rename : image/src/imgRequest.h => image/imgRequest.h
rename : image/src/imgRequestProxy.cpp => image/imgRequestProxy.cpp
rename : image/src/imgRequestProxy.h => image/imgRequestProxy.h
rename : image/src/imgTools.cpp => image/imgTools.cpp
rename : image/src/imgTools.h => image/imgTools.h
2015-05-14 20:52:05 -07:00

92 lines
3.0 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
#ifndef mozilla_image_MultipartImage_h
#define mozilla_image_MultipartImage_h
#include "ImageWrapper.h"
#include "IProgressObserver.h"
#include "ProgressTracker.h"
namespace mozilla {
namespace image {
class NextPartObserver;
/**
* An Image wrapper that implements support for multipart/x-mixed-replace
* images.
*/
class MultipartImage
: public ImageWrapper
, public IProgressObserver
{
public:
MOZ_DECLARE_REFCOUNTED_TYPENAME(MultipartImage)
NS_DECL_ISUPPORTS
void BeginTransitionToPart(Image* aNextPart);
// Overridden ImageWrapper methods:
virtual already_AddRefed<imgIContainer> Unwrap() override;
virtual already_AddRefed<ProgressTracker> GetProgressTracker() override;
virtual void SetProgressTracker(ProgressTracker* aTracker) override;
virtual nsresult OnImageDataAvailable(nsIRequest* aRequest,
nsISupports* aContext,
nsIInputStream* aInStr,
uint64_t aSourceOffset,
uint32_t aCount) override;
virtual nsresult OnImageDataComplete(nsIRequest* aRequest,
nsISupports* aContext,
nsresult aStatus,
bool aLastPart) override;
// We don't support locking or track animation consumers for individual parts,
// so we override these methods to do nothing.
NS_IMETHOD LockImage() override { return NS_OK; }
NS_IMETHOD UnlockImage() override { return NS_OK; }
virtual void IncrementAnimationConsumers() override { }
virtual void DecrementAnimationConsumers() override { }
#ifdef DEBUG
virtual uint32_t GetAnimationConsumers() override { return 1; }
#endif
// Overridden IProgressObserver methods:
virtual void Notify(int32_t aType,
const nsIntRect* aRect = nullptr) override;
virtual void OnLoadComplete(bool aLastPart) override;
virtual void SetHasImage() override;
virtual void OnStartDecode() override;
virtual bool NotificationsDeferred() const override;
virtual void SetNotificationsDeferred(bool aDeferNotifications) override;
// We don't allow multipart images to block onload, so we override these
// methods to do nothing.
virtual void BlockOnload() override { }
virtual void UnblockOnload() override { }
protected:
virtual ~MultipartImage();
private:
friend class ImageFactory;
friend class NextPartObserver;
explicit MultipartImage(Image* aFirstPart);
void Init();
void FinishTransition();
nsRefPtr<ProgressTracker> mTracker;
nsRefPtr<NextPartObserver> mNextPartObserver;
nsRefPtr<Image> mNextPart;
bool mDeferNotifications : 1;
};
} // namespace image
} // namespace mozilla
#endif // mozilla_image_MultipartImage_h