diff -r 000000000000 -r 6474c204b198 image/src/VectorImage.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/image/src/VectorImage.h Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,124 @@ +/* -*- 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_imagelib_VectorImage_h_ +#define mozilla_imagelib_VectorImage_h_ + +#include "Image.h" +#include "nsIStreamListener.h" +#include "mozilla/MemoryReporting.h" + +class nsIRequest; +class gfxDrawable; + +namespace mozilla { +namespace layers { +class LayerManager; +class ImageContainer; +} +namespace image { + +struct SVGDrawingParameters; +class SVGDocumentWrapper; +class SVGRootRenderingObserver; +class SVGLoadEventListener; +class SVGParseCompleteListener; + +class VectorImage : public ImageResource, + public nsIStreamListener +{ +public: + NS_DECL_ISUPPORTS + NS_DECL_NSIREQUESTOBSERVER + NS_DECL_NSISTREAMLISTENER + NS_DECL_IMGICONTAINER + + // (no public constructor - use ImageFactory) + virtual ~VectorImage(); + + // Methods inherited from Image + nsresult Init(const char* aMimeType, + uint32_t aFlags); + virtual nsIntRect FrameRect(uint32_t aWhichFrame) MOZ_OVERRIDE; + + virtual size_t HeapSizeOfSourceWithComputedFallback(mozilla::MallocSizeOf aMallocSizeOf) const; + virtual size_t HeapSizeOfDecodedWithComputedFallback(mozilla::MallocSizeOf aMallocSizeOf) const; + virtual size_t NonHeapSizeOfDecoded() const; + virtual size_t OutOfProcessSizeOfDecoded() const; + + virtual nsresult OnImageDataAvailable(nsIRequest* aRequest, + nsISupports* aContext, + nsIInputStream* aInStr, + uint64_t aSourceOffset, + uint32_t aCount) MOZ_OVERRIDE; + virtual nsresult OnImageDataComplete(nsIRequest* aRequest, + nsISupports* aContext, + nsresult aResult, + bool aLastPart) MOZ_OVERRIDE; + virtual nsresult OnNewSourceData() MOZ_OVERRIDE; + + /** + * Callback for SVGRootRenderingObserver. + * + * This just sets a dirty flag that we check in VectorImage::RequestRefresh, + * which is called under the ticks of the refresh driver of any observing + * documents that we may have. Only then (after all animations in this image + * have been updated) do we send out "frame changed" notifications, + */ + void InvalidateObserversOnNextRefreshDriverTick(); + + // Callback for SVGParseCompleteListener. + void OnSVGDocumentParsed(); + + // Callbacks for SVGLoadEventListener. + void OnSVGDocumentLoaded(); + void OnSVGDocumentError(); + +protected: + VectorImage(imgStatusTracker* aStatusTracker = nullptr, + ImageURL* aURI = nullptr); + + virtual nsresult StartAnimation(); + virtual nsresult StopAnimation(); + virtual bool ShouldAnimate(); + + void CreateDrawableAndShow(const SVGDrawingParameters& aParams); + void Show(gfxDrawable* aDrawable, const SVGDrawingParameters& aParams); + +private: + void CancelAllListeners(); + void SendInvalidationNotifications(); + + nsRefPtr mSVGDocumentWrapper; + nsRefPtr mRenderingObserver; + nsRefPtr mLoadEventListener; + nsRefPtr mParseCompleteListener; + + bool mIsInitialized; // Have we been initalized? + bool mIsFullyLoaded; // Has the SVG document finished loading? + bool mIsDrawing; // Are we currently drawing? + bool mHaveAnimations; // Is our SVG content SMIL-animated? + // (Only set after mIsFullyLoaded.) + bool mHasPendingInvalidation; // Invalidate observers next refresh + // driver tick. + + // Initializes imgStatusTracker and resets it on RasterImage destruction. + nsAutoPtr mStatusTrackerInit; + + friend class ImageFactory; +}; + +inline NS_IMETHODIMP VectorImage::GetAnimationMode(uint16_t *aAnimationMode) { + return GetAnimationModeInternal(aAnimationMode); +} + +inline NS_IMETHODIMP VectorImage::SetAnimationMode(uint16_t aAnimationMode) { + return SetAnimationModeInternal(aAnimationMode); +} + +} // namespace image +} // namespace mozilla + +#endif // mozilla_imagelib_VectorImage_h_