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comparison: image/src/VectorImage.h
image/src/VectorImage.h
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef mozilla_imagelib_VectorImage_h_ | |
| 7 #define mozilla_imagelib_VectorImage_h_ | |
| 8 | |
| 9 #include "Image.h" | |
| 10 #include "nsIStreamListener.h" | |
| 11 #include "mozilla/MemoryReporting.h" | |
| 12 | |
| 13 class nsIRequest; | |
| 14 class gfxDrawable; | |
| 15 | |
| 16 namespace mozilla { | |
| 17 namespace layers { | |
| 18 class LayerManager; | |
| 19 class ImageContainer; | |
| 20 } | |
| 21 namespace image { | |
| 22 | |
| 23 struct SVGDrawingParameters; | |
| 24 class SVGDocumentWrapper; | |
| 25 class SVGRootRenderingObserver; | |
| 26 class SVGLoadEventListener; | |
| 27 class SVGParseCompleteListener; | |
| 28 | |
| 29 class VectorImage : public ImageResource, | |
| 30 public nsIStreamListener | |
| 31 { | |
| 32 public: | |
| 33 NS_DECL_ISUPPORTS | |
| 34 NS_DECL_NSIREQUESTOBSERVER | |
| 35 NS_DECL_NSISTREAMLISTENER | |
| 36 NS_DECL_IMGICONTAINER | |
| 37 | |
| 38 // (no public constructor - use ImageFactory) | |
| 39 virtual ~VectorImage(); | |
| 40 | |
| 41 // Methods inherited from Image | |
| 42 nsresult Init(const char* aMimeType, | |
| 43 uint32_t aFlags); | |
| 44 virtual nsIntRect FrameRect(uint32_t aWhichFrame) MOZ_OVERRIDE; | |
| 45 | |
| 46 virtual size_t HeapSizeOfSourceWithComputedFallback(mozilla::MallocSizeOf aMallocSizeOf) const; | |
| 47 virtual size_t HeapSizeOfDecodedWithComputedFallback(mozilla::MallocSizeOf aMallocSizeOf) const; | |
| 48 virtual size_t NonHeapSizeOfDecoded() const; | |
| 49 virtual size_t OutOfProcessSizeOfDecoded() const; | |
| 50 | |
| 51 virtual nsresult OnImageDataAvailable(nsIRequest* aRequest, | |
| 52 nsISupports* aContext, | |
| 53 nsIInputStream* aInStr, | |
| 54 uint64_t aSourceOffset, | |
| 55 uint32_t aCount) MOZ_OVERRIDE; | |
| 56 virtual nsresult OnImageDataComplete(nsIRequest* aRequest, | |
| 57 nsISupports* aContext, | |
| 58 nsresult aResult, | |
| 59 bool aLastPart) MOZ_OVERRIDE; | |
| 60 virtual nsresult OnNewSourceData() MOZ_OVERRIDE; | |
| 61 | |
| 62 /** | |
| 63 * Callback for SVGRootRenderingObserver. | |
| 64 * | |
| 65 * This just sets a dirty flag that we check in VectorImage::RequestRefresh, | |
| 66 * which is called under the ticks of the refresh driver of any observing | |
| 67 * documents that we may have. Only then (after all animations in this image | |
| 68 * have been updated) do we send out "frame changed" notifications, | |
| 69 */ | |
| 70 void InvalidateObserversOnNextRefreshDriverTick(); | |
| 71 | |
| 72 // Callback for SVGParseCompleteListener. | |
| 73 void OnSVGDocumentParsed(); | |
| 74 | |
| 75 // Callbacks for SVGLoadEventListener. | |
| 76 void OnSVGDocumentLoaded(); | |
| 77 void OnSVGDocumentError(); | |
| 78 | |
| 79 protected: | |
| 80 VectorImage(imgStatusTracker* aStatusTracker = nullptr, | |
| 81 ImageURL* aURI = nullptr); | |
| 82 | |
| 83 virtual nsresult StartAnimation(); | |
| 84 virtual nsresult StopAnimation(); | |
| 85 virtual bool ShouldAnimate(); | |
| 86 | |
| 87 void CreateDrawableAndShow(const SVGDrawingParameters& aParams); | |
| 88 void Show(gfxDrawable* aDrawable, const SVGDrawingParameters& aParams); | |
| 89 | |
| 90 private: | |
| 91 void CancelAllListeners(); | |
| 92 void SendInvalidationNotifications(); | |
| 93 | |
| 94 nsRefPtr<SVGDocumentWrapper> mSVGDocumentWrapper; | |
| 95 nsRefPtr<SVGRootRenderingObserver> mRenderingObserver; | |
| 96 nsRefPtr<SVGLoadEventListener> mLoadEventListener; | |
| 97 nsRefPtr<SVGParseCompleteListener> mParseCompleteListener; | |
| 98 | |
| 99 bool mIsInitialized; // Have we been initalized? | |
| 100 bool mIsFullyLoaded; // Has the SVG document finished loading? | |
| 101 bool mIsDrawing; // Are we currently drawing? | |
| 102 bool mHaveAnimations; // Is our SVG content SMIL-animated? | |
| 103 // (Only set after mIsFullyLoaded.) | |
| 104 bool mHasPendingInvalidation; // Invalidate observers next refresh | |
| 105 // driver tick. | |
| 106 | |
| 107 // Initializes imgStatusTracker and resets it on RasterImage destruction. | |
| 108 nsAutoPtr<imgStatusTrackerInit> mStatusTrackerInit; | |
| 109 | |
| 110 friend class ImageFactory; | |
| 111 }; | |
| 112 | |
| 113 inline NS_IMETHODIMP VectorImage::GetAnimationMode(uint16_t *aAnimationMode) { | |
| 114 return GetAnimationModeInternal(aAnimationMode); | |
| 115 } | |
| 116 | |
| 117 inline NS_IMETHODIMP VectorImage::SetAnimationMode(uint16_t aAnimationMode) { | |
| 118 return SetAnimationModeInternal(aAnimationMode); | |
| 119 } | |
| 120 | |
| 121 } // namespace image | |
| 122 } // namespace mozilla | |
| 123 | |
| 124 #endif // mozilla_imagelib_VectorImage_h_ |
