summaryrefslogtreecommitdiffstats
path: root/image/DynamicImage.h
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--image/DynamicImage.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/image/DynamicImage.h b/image/DynamicImage.h
new file mode 100644
index 0000000000..2b8a833958
--- /dev/null
+++ b/image/DynamicImage.h
@@ -0,0 +1,69 @@
+/* -*- 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(
+ SizeOfState& aState) 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,
+ nsIInputStream* aInStr,
+ uint64_t aSourceOffset,
+ uint32_t aCount) override;
+ virtual nsresult OnImageDataComplete(nsIRequest* aRequest, nsresult aStatus,
+ bool aLastPart) override;
+
+ virtual void OnSurfaceDiscarded(const SurfaceKey& aSurfaceKey) override;
+
+ virtual void SetInnerWindowID(uint64_t aInnerWindowId) override;
+ virtual uint64_t InnerWindowID() const override;
+
+ virtual bool HasError() override;
+ virtual void SetHasError() override;
+
+ nsIURI* GetURI() const override;
+
+ private:
+ virtual ~DynamicImage() {}
+
+ RefPtr<gfxDrawable> mDrawable;
+};
+
+} // namespace image
+} // namespace mozilla
+
+#endif // mozilla_image_DynamicImage_h