gecko/image/src/VectorImage.h

103 lines
3.6 KiB
C++

/* -*- 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 "nsIRequest.h"
#include "mozilla/TimeStamp.h"
#include "mozilla/WeakPtr.h"
class imgDecoderObserver;
namespace mozilla {
namespace layers {
class LayerManager;
class ImageContainer;
}
namespace image {
class SVGDocumentWrapper;
class SVGRootRenderingObserver;
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(imgDecoderObserver* aObserver,
const char* aMimeType,
uint32_t aFlags);
virtual void GetCurrentFrameRect(nsIntRect& aRect) MOZ_OVERRIDE;
virtual size_t HeapSizeOfSourceWithComputedFallback(nsMallocSizeOfFun aMallocSizeOf) const;
virtual size_t HeapSizeOfDecodedWithComputedFallback(nsMallocSizeOfFun 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 status) MOZ_OVERRIDE;
virtual nsresult OnNewSourceData() MOZ_OVERRIDE;
// Callback for SVGRootRenderingObserver
void InvalidateObserver();
protected:
VectorImage(imgStatusTracker* aStatusTracker = nullptr, nsIURI* aURI = nullptr);
virtual nsresult StartAnimation();
virtual nsresult StopAnimation();
virtual bool ShouldAnimate();
private:
WeakPtr<imgDecoderObserver> mObserver;
nsRefPtr<SVGDocumentWrapper> mSVGDocumentWrapper;
nsRefPtr<SVGRootRenderingObserver> mRenderingObserver;
nsIntRect mRestrictedRegion; // If we were created by
// ExtractFrame, this is the region
// that we're restricted to using.
// Otherwise, this is ignored.
bool mIsInitialized:1; // Have we been initalized?
bool mIsFullyLoaded:1; // Has OnStopRequest been called?
bool mIsDrawing:1; // Are we currently drawing?
bool mHaveAnimations:1; // Is our SVG content SMIL-animated?
// (Only set after mIsFullyLoaded.)
bool mHaveRestrictedRegion:1; // Are we a restricted-region clone
// created via ExtractFrame?
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_