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Diffstat (limited to 'src/3rdparty/webkit/WebCore/platform/graphics/ImageObserver.h')
-rw-r--r-- | src/3rdparty/webkit/WebCore/platform/graphics/ImageObserver.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/WebCore/platform/graphics/ImageObserver.h b/src/3rdparty/webkit/WebCore/platform/graphics/ImageObserver.h new file mode 100644 index 0000000..8b693d9 --- /dev/null +++ b/src/3rdparty/webkit/WebCore/platform/graphics/ImageObserver.h @@ -0,0 +1,51 @@ +/* + * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY + * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef ImageObserver_h +#define ImageObserver_h + +namespace WebCore { + +class Image; +class IntRect; + +// Interface for notification about changes to an image, including decoding, +// drawing, and animating. +class ImageObserver { +protected: + virtual ~ImageObserver() {} +public: + virtual void decodedSizeChanged(const Image*, int delta) = 0; + virtual void didDraw(const Image*) = 0; + + virtual bool shouldPauseAnimation(const Image*) = 0; + virtual void animationAdvanced(const Image*) = 0; + + virtual void changedInRect(const Image*, const IntRect&) = 0; +}; + +} + +#endif |