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82 lines
2.8 KiB
C
82 lines
2.8 KiB
C
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MOZILLA_IMAGELIB_DYNAMICIMAGE_H_
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#define MOZILLA_IMAGELIB_DYNAMICIMAGE_H_
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#include "mozilla/MemoryReporting.h"
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#include "gfxDrawable.h"
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#include "Image.h"
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namespace mozilla {
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namespace image {
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/**
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* An Image that is dynamically created. The content of the image is provided by
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* a gfxDrawable. It's anticipated that most uses of DynamicImage will be
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* ephemeral.
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*/
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class DynamicImage : public Image
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_IMGICONTAINER
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DynamicImage(gfxDrawable* aDrawable)
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: mDrawable(aDrawable)
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{
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MOZ_ASSERT(aDrawable, "Must have a gfxDrawable to wrap");
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}
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// Inherited methods from Image.
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virtual nsresult Init(const char* aMimeType, uint32_t aFlags) MOZ_OVERRIDE;
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virtual already_AddRefed<imgStatusTracker> GetStatusTracker() MOZ_OVERRIDE;
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virtual nsIntRect FrameRect(uint32_t aWhichFrame) MOZ_OVERRIDE;
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virtual uint32_t SizeOfData() MOZ_OVERRIDE;
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virtual size_t HeapSizeOfSourceWithComputedFallback(mozilla::MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
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virtual size_t HeapSizeOfDecodedWithComputedFallback(mozilla::MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
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virtual size_t NonHeapSizeOfDecoded() const MOZ_OVERRIDE;
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virtual size_t OutOfProcessSizeOfDecoded() const MOZ_OVERRIDE;
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virtual size_t HeapSizeOfVectorImageDocument(nsACString* aDocURL = nullptr) const MOZ_OVERRIDE;
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virtual void IncrementAnimationConsumers() MOZ_OVERRIDE;
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virtual void DecrementAnimationConsumers() MOZ_OVERRIDE;
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#ifdef DEBUG
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virtual uint32_t GetAnimationConsumers() MOZ_OVERRIDE;
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#endif
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virtual nsresult OnImageDataAvailable(nsIRequest* aRequest,
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nsISupports* aContext,
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nsIInputStream* aInStr,
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uint64_t aSourceOffset,
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uint32_t aCount) MOZ_OVERRIDE;
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virtual nsresult OnImageDataComplete(nsIRequest* aRequest,
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nsISupports* aContext,
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nsresult aStatus,
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bool aLastPart) MOZ_OVERRIDE;
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virtual nsresult OnNewSourceData() MOZ_OVERRIDE;
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virtual void SetInnerWindowID(uint64_t aInnerWindowId) MOZ_OVERRIDE;
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virtual uint64_t InnerWindowID() const MOZ_OVERRIDE;
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virtual bool HasError() MOZ_OVERRIDE;
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virtual void SetHasError() MOZ_OVERRIDE;
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virtual ImageURL* GetURI() MOZ_OVERRIDE;
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private:
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virtual ~DynamicImage() { }
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nsRefPtr<gfxDrawable> mDrawable;
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};
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} // namespace image
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} // namespace mozilla
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#endif // MOZILLA_IMAGELIB_DYNAMICIMAGE_H_
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