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/*
* Copyright (C) 2011 Apple 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 INC. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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 UpdateInfo_h
#define UpdateInfo_h
#include "SharedMemory.h"
#include <WebCore/IntRect.h>
#include <wtf/Noncopyable.h>
namespace CoreIPC {
class ArgumentDecoder;
class ArgumentEncoder;
}
namespace WebKit {
class UpdateInfo {
WTF_MAKE_NONCOPYABLE(UpdateInfo);
public:
UpdateInfo() : timestamp(0) { }
void encode(CoreIPC::ArgumentEncoder*) const;
static bool decode(CoreIPC::ArgumentDecoder*, UpdateInfo&);
// The timestamp of this update.
double timestamp;
// The size of the web view.
WebCore::IntSize viewSize;
// The rect and delta to be scrolled.
WebCore::IntRect scrollRect;
WebCore::IntSize scrollOffset;
// The bounds of the update rects.
WebCore::IntRect updateRectBounds;
// All the update rects, in view coordinates.
Vector<WebCore::IntRect> updateRects;
// The handle of the shareable bitmap containing the updates. Will be null if there are no updates.
SharedMemory::Handle bitmapHandle;
};
} // namespace WebKit
#endif // UpdateInfo_h
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