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/*
* Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies)
* Copyright (C) 2013 Company 100, Inc.
* Copyright (C) 2014 Igalia S.L.
*
* 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 ThreadedCoordinatedLayerTreeHost_h
#define ThreadedCoordinatedLayerTreeHost_h
#if USE(COORDINATED_GRAPHICS_THREADED)
#include "LayerTreeContext.h"
#include "LayerTreeHost.h"
#include "ThreadedCompositor.h"
#include <WebCore/CompositingCoordinator.h>
#include <WebCore/FloatPoint.h>
#include <WebCore/FloatRect.h>
#include <WebCore/IntPoint.h>
#include <WebCore/IntRect.h>
#include <WebCore/IntSize.h>
#include <WebCore/PageOverlay.h>
#include <WebCore/Timer.h>
#include <wtf/RunLoop.h>
#include <wtf/Threading.h>
namespace WebCore {
class CoordinatedSurface;
class GraphicsContext;
class GraphicsLayer;
class GraphicsLayerFactory;
class GraphicsLayerFactory;
struct CoordinatedGraphicsLayerState;
struct CoordinatedGraphicsState;
}
namespace WebKit {
class WebPage;
class ThreadedCoordinatedLayerTreeHost : public LayerTreeHost, public WebCore::CompositingCoordinator::Client, public ThreadedCompositor::Client {
WTF_MAKE_NONCOPYABLE(ThreadedCoordinatedLayerTreeHost); WTF_MAKE_FAST_ALLOCATED;
public:
static Ref<ThreadedCoordinatedLayerTreeHost> create(WebPage*);
virtual ~ThreadedCoordinatedLayerTreeHost();
virtual const LayerTreeContext& layerTreeContext() override { return m_layerTreeContext; };
virtual void scheduleLayerFlush() override;
virtual void setLayerFlushSchedulingEnabled(bool) override;
virtual void setShouldNotifyAfterNextScheduledLayerFlush(bool) override;
virtual void setRootCompositingLayer(WebCore::GraphicsLayer*) override;
virtual void invalidate() override;
virtual void setNonCompositedContentsNeedDisplay() override { };
virtual void setNonCompositedContentsNeedDisplayInRect(const WebCore::IntRect&) override { };
virtual void scrollNonCompositedContents(const WebCore::IntRect& scrollRect) override;
virtual void forceRepaint() override;
virtual bool forceRepaintAsync(uint64_t /*callbackID*/) override;
virtual void sizeDidChange(const WebCore::IntSize& newSize) override;
virtual void deviceOrPageScaleFactorChanged() override;
virtual void pauseRendering() override;
virtual void resumeRendering() override;
virtual WebCore::GraphicsLayerFactory* graphicsLayerFactory() override;
virtual void pageBackgroundTransparencyChanged() override { };
virtual void viewportSizeChanged(const WebCore::IntSize&) override;
virtual void didChangeViewportProperties(const WebCore::ViewportAttributes&) override;
#if PLATFORM(GTK)
virtual void setNativeSurfaceHandleForCompositing(uint64_t) override;
#endif
#if ENABLE(REQUEST_ANIMATION_FRAME)
virtual void scheduleAnimation() override;
#endif
void setViewOverlayRootLayer(WebCore::GraphicsLayer*);
static PassRefPtr<WebCore::CoordinatedSurface> createCoordinatedSurface(const WebCore::IntSize&, WebCore::CoordinatedSurface::Flags);
protected:
explicit ThreadedCoordinatedLayerTreeHost(WebPage*);
private:
void compositorDidFlushLayers();
void didScaleFactorChanged(float scale, const WebCore::IntPoint& origin);
void updateRootLayers();
void cancelPendingLayerFlush();
void performScheduledLayerFlush();
WebCore::GraphicsLayer* rootLayer() { return m_coordinator->rootLayer(); }
// ThreadedCompositor::Client
virtual void setVisibleContentsRect(const WebCore::FloatRect&, const WebCore::FloatPoint&, float) override;
virtual void purgeBackingStores() override;
virtual void renderNextFrame() override;
virtual void commitScrollOffset(uint32_t layerID, const WebCore::IntSize& offset) override;
// CompositingCoordinator::Client
virtual void didFlushRootLayer(const WebCore::FloatRect&) override { }
virtual void notifyFlushRequired() override;
virtual void commitSceneState(const WebCore::CoordinatedGraphicsState&) override;
virtual void paintLayerContents(const WebCore::GraphicsLayer*, WebCore::GraphicsContext&, const WebCore::IntRect& clipRect) override;
LayerTreeContext m_layerTreeContext;
uint64_t m_forceRepaintAsyncCallbackID;
WebCore::IntPoint m_prevScrollPosition;
WebCore::GraphicsLayer* m_contentLayer;
WebCore::GraphicsLayer* m_viewOverlayRootLayer;
std::unique_ptr<WebCore::CompositingCoordinator> m_coordinator;
RefPtr<ThreadedCompositor> m_compositor;
bool m_notifyAfterScheduledLayerFlush;
bool m_isSuspended;
bool m_isWaitingForRenderer;
float m_lastScaleFactor;
WebCore::IntPoint m_lastScrollPosition;
RunLoop::Timer<ThreadedCoordinatedLayerTreeHost> m_layerFlushTimer;
bool m_layerFlushSchedulingEnabled;
};
} // namespace WebKit
#endif // USE(COORDINATED_GRAPHICS_THREADED)
#endif // ThreadedCoordinatedLayerTreeHost_h
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