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23f3425afe
The SurfaceCache can hold the first frame of a "static" decode as well as the animated frames in two seperate entries. We only care about what happens to the animated frames, so ignore OnSurfaceDiscarded for anything else. To accomplish this we must pass the SurfaceKey to OnSurfaceDiscarded.
76 lines
2.5 KiB
C++
76 lines
2.5 KiB
C++
/* -*- 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_image_DynamicImage_h
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#define mozilla_image_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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explicit 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 already_AddRefed<ProgressTracker> GetProgressTracker() override;
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virtual size_t SizeOfSourceWithComputedFallback(
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MallocSizeOf aMallocSizeOf) const override;
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virtual void CollectSizeOfSurfaces(nsTArray<SurfaceMemoryCounter>& aCounters,
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MallocSizeOf aMallocSizeOf) const override;
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virtual void IncrementAnimationConsumers() override;
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virtual void DecrementAnimationConsumers() override;
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#ifdef DEBUG
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virtual uint32_t GetAnimationConsumers() 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) 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) override;
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virtual void OnSurfaceDiscarded(const SurfaceKey& aSurfaceKey) override;
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virtual void SetInnerWindowID(uint64_t aInnerWindowId) override;
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virtual uint64_t InnerWindowID() const override;
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virtual bool HasError() override;
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virtual void SetHasError() override;
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virtual ImageURL* GetURI() override;
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private:
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virtual ~DynamicImage() { }
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RefPtr<gfxDrawable> mDrawable;
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};
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} // namespace image
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} // namespace mozilla
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#endif // mozilla_image_DynamicImage_h
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