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76 lines
2.4 KiB
C++
76 lines
2.4 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() 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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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_image_DynamicImage_h
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