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/*
* Copyright 2010, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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 THE COPYRIGHT HOLDERS ``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 THE COPYRIGHT OWNER 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 BaseLayerAndroid_h
#define BaseLayerAndroid_h
#include "Color.h"
#include "GLWebViewState.h"
#include "IntRect.h"
#include "Layer.h"
#include "PictureSet.h"
#include "SkPicture.h"
namespace WebCore {
class BaseLayerAndroid : public Layer {
public:
enum ScrollState {
NotScrolling = 0,
Scrolling = 1,
ScrollingFinishPaint = 2
};
BaseLayerAndroid();
virtual ~BaseLayerAndroid();
#if USE(ACCELERATED_COMPOSITING)
void setGLWebViewState(GLWebViewState* infos) { m_glWebViewState = infos; }
void setBackgroundColor(Color& color) { m_color = color; }
Color getBackgroundColor() { return m_color; }
#endif
void setContent(const android::PictureSet& src);
android::PictureSet* content() { return &m_content; }
// This method will paint using the current PictureSet onto
// the passed canvas. We used it to paint the GL tiles as well as
// WebView::copyBaseContentToPicture(), so a lock is necessary as
// we are running in different threads.
virtual bool drawCanvas(SkCanvas* canvas);
bool drawGL(double currentTime, LayerAndroid* compositedRoot, IntRect& rect,
SkRect& viewport, float scale, bool* buffersSwappedPtr);
private:
#if USE(ACCELERATED_COMPOSITING)
void prefetchBasePicture(SkRect& viewport, float currentScale,
TiledPage* prefetchTiledPage, bool draw);
bool drawBasePictureInGL(SkRect& viewport, float scale, double currentTime,
bool* buffersSwappedPtr);
GLWebViewState* m_glWebViewState;
android::Mutex m_drawLock;
Color m_color;
#endif
android::PictureSet m_content;
SkRect m_previousVisible;
ScrollState m_scrollState;
};
} // namespace WebCore
#endif // BaseLayerAndroid_h
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