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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /image/DynamicImage.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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+/* -*- 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_DynamicImage_h
+#define mozilla_image_DynamicImage_h
+
+#include "mozilla/MemoryReporting.h"
+#include "gfxDrawable.h"
+#include "Image.h"
+
+namespace mozilla {
+namespace image {
+
+/**
+ * An Image that is dynamically created. The content of the image is provided by
+ * a gfxDrawable. It's anticipated that most uses of DynamicImage will be
+ * ephemeral.
+ */
+class DynamicImage : public Image
+{
+public:
+ NS_DECL_ISUPPORTS
+ NS_DECL_IMGICONTAINER
+
+ explicit DynamicImage(gfxDrawable* aDrawable)
+ : mDrawable(aDrawable)
+ {
+ MOZ_ASSERT(aDrawable, "Must have a gfxDrawable to wrap");
+ }
+
+ // Inherited methods from Image.
+ virtual already_AddRefed<ProgressTracker> GetProgressTracker() override;
+ virtual size_t SizeOfSourceWithComputedFallback(
+ MallocSizeOf aMallocSizeOf) const override;
+ virtual void CollectSizeOfSurfaces(nsTArray<SurfaceMemoryCounter>& aCounters,
+ MallocSizeOf aMallocSizeOf) const override;
+
+ virtual void IncrementAnimationConsumers() override;
+ virtual void DecrementAnimationConsumers() override;
+#ifdef DEBUG
+ virtual uint32_t GetAnimationConsumers() override;
+#endif
+
+ 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;
+
+ virtual void OnSurfaceDiscarded() override;
+
+ virtual void SetInnerWindowID(uint64_t aInnerWindowId) override;
+ virtual uint64_t InnerWindowID() const override;
+
+ virtual bool HasError() override;
+ virtual void SetHasError() override;
+
+ virtual ImageURL* GetURI() override;
+
+private:
+ virtual ~DynamicImage() { }
+
+ RefPtr<gfxDrawable> mDrawable;
+};
+
+} // namespace image
+} // namespace mozilla
+
+#endif // mozilla_image_DynamicImage_h