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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 "CoordinatedLayerTreeHost.h"
#include "SimpleViewportController.h"
#include "ThreadedCompositor.h"
#include <wtf/OptionSet.h>
namespace WebCore {
class GraphicsContext;
class GraphicsLayer;
struct CoordinatedGraphicsState;
}
namespace WebKit {
class AcceleratedSurface;
class WebPage;
class ThreadedCoordinatedLayerTreeHost final : public CoordinatedLayerTreeHost {
public:
static Ref<ThreadedCoordinatedLayerTreeHost> create(WebPage&);
virtual ~ThreadedCoordinatedLayerTreeHost();
private:
explicit ThreadedCoordinatedLayerTreeHost(WebPage&);
void scrollNonCompositedContents(const WebCore::IntRect& scrollRect) override;
void sizeDidChange(const WebCore::IntSize&) override;
void deviceOrPageScaleFactorChanged() override;
void pageBackgroundTransparencyChanged() override;
void contentsSizeChanged(const WebCore::IntSize&) override;
void didChangeViewportAttributes(WebCore::ViewportAttributes&&) override;
void invalidate() override;
void forceRepaint() override;
bool forceRepaintAsync(uint64_t callbackID) override { return false; }
void setIsDiscardable(bool) override;
#if PLATFORM(GTK) && PLATFORM(X11) && !USE(REDIRECTED_XCOMPOSITE_WINDOW)
void setNativeSurfaceHandleForCompositing(uint64_t) override;
#endif
class CompositorClient final : public ThreadedCompositor::Client {
WTF_MAKE_NONCOPYABLE(CompositorClient);
public:
CompositorClient(ThreadedCoordinatedLayerTreeHost& layerTreeHost)
: m_layerTreeHost(layerTreeHost)
{
}
private:
void renderNextFrame() override
{
m_layerTreeHost.renderNextFrame();
}
void commitScrollOffset(uint32_t layerID, const WebCore::IntSize& offset) override
{
m_layerTreeHost.commitScrollOffset(layerID, offset);
}
ThreadedCoordinatedLayerTreeHost& m_layerTreeHost;
};
void didChangeViewport();
// CompositingCoordinator::Client
void didFlushRootLayer(const WebCore::FloatRect&) override { }
void commitSceneState(const WebCore::CoordinatedGraphicsState&) override;
enum class DiscardableSyncActions {
UpdateSize = 1 << 1,
UpdateViewport = 1 << 2,
UpdateScale = 1 << 3,
UpdateBackground = 1 << 4
};
CompositorClient m_compositorClient;
std::unique_ptr<AcceleratedSurface> m_surface;
RefPtr<ThreadedCompositor> m_compositor;
SimpleViewportController m_viewportController;
float m_lastPageScaleFactor { 1 };
WebCore::IntPoint m_lastScrollPosition;
bool m_isDiscardable { false };
OptionSet<DiscardableSyncActions> m_discardableSyncActions;
};
} // namespace WebKit
#endif // USE(COORDINATED_GRAPHICS_THREADED)
#endif // ThreadedCoordinatedLayerTreeHost_h
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