1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/image/src/VectorImage.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,124 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef mozilla_imagelib_VectorImage_h_
1.10 +#define mozilla_imagelib_VectorImage_h_
1.11 +
1.12 +#include "Image.h"
1.13 +#include "nsIStreamListener.h"
1.14 +#include "mozilla/MemoryReporting.h"
1.15 +
1.16 +class nsIRequest;
1.17 +class gfxDrawable;
1.18 +
1.19 +namespace mozilla {
1.20 +namespace layers {
1.21 +class LayerManager;
1.22 +class ImageContainer;
1.23 +}
1.24 +namespace image {
1.25 +
1.26 +struct SVGDrawingParameters;
1.27 +class SVGDocumentWrapper;
1.28 +class SVGRootRenderingObserver;
1.29 +class SVGLoadEventListener;
1.30 +class SVGParseCompleteListener;
1.31 +
1.32 +class VectorImage : public ImageResource,
1.33 + public nsIStreamListener
1.34 +{
1.35 +public:
1.36 + NS_DECL_ISUPPORTS
1.37 + NS_DECL_NSIREQUESTOBSERVER
1.38 + NS_DECL_NSISTREAMLISTENER
1.39 + NS_DECL_IMGICONTAINER
1.40 +
1.41 + // (no public constructor - use ImageFactory)
1.42 + virtual ~VectorImage();
1.43 +
1.44 + // Methods inherited from Image
1.45 + nsresult Init(const char* aMimeType,
1.46 + uint32_t aFlags);
1.47 + virtual nsIntRect FrameRect(uint32_t aWhichFrame) MOZ_OVERRIDE;
1.48 +
1.49 + virtual size_t HeapSizeOfSourceWithComputedFallback(mozilla::MallocSizeOf aMallocSizeOf) const;
1.50 + virtual size_t HeapSizeOfDecodedWithComputedFallback(mozilla::MallocSizeOf aMallocSizeOf) const;
1.51 + virtual size_t NonHeapSizeOfDecoded() const;
1.52 + virtual size_t OutOfProcessSizeOfDecoded() const;
1.53 +
1.54 + virtual nsresult OnImageDataAvailable(nsIRequest* aRequest,
1.55 + nsISupports* aContext,
1.56 + nsIInputStream* aInStr,
1.57 + uint64_t aSourceOffset,
1.58 + uint32_t aCount) MOZ_OVERRIDE;
1.59 + virtual nsresult OnImageDataComplete(nsIRequest* aRequest,
1.60 + nsISupports* aContext,
1.61 + nsresult aResult,
1.62 + bool aLastPart) MOZ_OVERRIDE;
1.63 + virtual nsresult OnNewSourceData() MOZ_OVERRIDE;
1.64 +
1.65 + /**
1.66 + * Callback for SVGRootRenderingObserver.
1.67 + *
1.68 + * This just sets a dirty flag that we check in VectorImage::RequestRefresh,
1.69 + * which is called under the ticks of the refresh driver of any observing
1.70 + * documents that we may have. Only then (after all animations in this image
1.71 + * have been updated) do we send out "frame changed" notifications,
1.72 + */
1.73 + void InvalidateObserversOnNextRefreshDriverTick();
1.74 +
1.75 + // Callback for SVGParseCompleteListener.
1.76 + void OnSVGDocumentParsed();
1.77 +
1.78 + // Callbacks for SVGLoadEventListener.
1.79 + void OnSVGDocumentLoaded();
1.80 + void OnSVGDocumentError();
1.81 +
1.82 +protected:
1.83 + VectorImage(imgStatusTracker* aStatusTracker = nullptr,
1.84 + ImageURL* aURI = nullptr);
1.85 +
1.86 + virtual nsresult StartAnimation();
1.87 + virtual nsresult StopAnimation();
1.88 + virtual bool ShouldAnimate();
1.89 +
1.90 + void CreateDrawableAndShow(const SVGDrawingParameters& aParams);
1.91 + void Show(gfxDrawable* aDrawable, const SVGDrawingParameters& aParams);
1.92 +
1.93 +private:
1.94 + void CancelAllListeners();
1.95 + void SendInvalidationNotifications();
1.96 +
1.97 + nsRefPtr<SVGDocumentWrapper> mSVGDocumentWrapper;
1.98 + nsRefPtr<SVGRootRenderingObserver> mRenderingObserver;
1.99 + nsRefPtr<SVGLoadEventListener> mLoadEventListener;
1.100 + nsRefPtr<SVGParseCompleteListener> mParseCompleteListener;
1.101 +
1.102 + bool mIsInitialized; // Have we been initalized?
1.103 + bool mIsFullyLoaded; // Has the SVG document finished loading?
1.104 + bool mIsDrawing; // Are we currently drawing?
1.105 + bool mHaveAnimations; // Is our SVG content SMIL-animated?
1.106 + // (Only set after mIsFullyLoaded.)
1.107 + bool mHasPendingInvalidation; // Invalidate observers next refresh
1.108 + // driver tick.
1.109 +
1.110 + // Initializes imgStatusTracker and resets it on RasterImage destruction.
1.111 + nsAutoPtr<imgStatusTrackerInit> mStatusTrackerInit;
1.112 +
1.113 + friend class ImageFactory;
1.114 +};
1.115 +
1.116 +inline NS_IMETHODIMP VectorImage::GetAnimationMode(uint16_t *aAnimationMode) {
1.117 + return GetAnimationModeInternal(aAnimationMode);
1.118 +}
1.119 +
1.120 +inline NS_IMETHODIMP VectorImage::SetAnimationMode(uint16_t aAnimationMode) {
1.121 + return SetAnimationModeInternal(aAnimationMode);
1.122 +}
1.123 +
1.124 +} // namespace image
1.125 +} // namespace mozilla
1.126 +
1.127 +#endif // mozilla_imagelib_VectorImage_h_
