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/*
* Copyright (C) 2021 Sony Interactive Entertainment Inc.
*
* 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.
*/
#pragma once
#if USE(GRAPHICS_LAYER_WC)
#include "DrawingArea.h"
#include "GraphicsLayerWC.h"
#include "RemoteWCLayerTreeHostProxy.h"
#include "WCLayerFactory.h"
#include <WebCore/GraphicsLayerFactory.h>
#include <WebCore/Timer.h>
namespace WebKit {
class DrawingAreaWC final
: public DrawingArea
, public GraphicsLayerWC::Observer {
public:
DrawingAreaWC(WebPage&, const WebPageCreationParameters&);
~DrawingAreaWC() override;
private:
// DrawingArea
WebCore::GraphicsLayerFactory* graphicsLayerFactory() override;
void setNeedsDisplay() override;
void setNeedsDisplayInRect(const WebCore::IntRect&) override;
void scroll(const WebCore::IntRect& scrollRect, const WebCore::IntSize& scrollDelta) override;
void forceRepaintAsync(WebPage&, CompletionHandler<void()>&&) override;
void triggerRenderingUpdate() override;
void didChangeViewportAttributes(WebCore::ViewportAttributes&&) override { }
void deviceOrPageScaleFactorChanged() override { }
bool enterAcceleratedCompositingModeIfNeeded() override { return false; }
void setLayerTreeStateIsFrozen(bool) override;
bool layerTreeStateIsFrozen() const override { return m_isRenderingSuspended; }
#if USE(GRAPHICS_LAYER_TEXTURE_MAPPER)
void updateGeometry(const WebCore::IntSize&, CompletionHandler<void()>&&) override { }
#endif
void updateGeometryWC(uint64_t, WebCore::IntSize) override;
void setRootCompositingLayer(WebCore::Frame&, WebCore::GraphicsLayer*) override;
void addRootFrame(WebCore::FrameIdentifier) override;
void attachViewOverlayGraphicsLayer(WebCore::FrameIdentifier, WebCore::GraphicsLayer*) override;
void updatePreferences(const WebPreferencesStore&) override;
bool shouldUseTiledBackingForFrameView(const WebCore::LocalFrameView&) const override;
void displayDidRefresh() override;
// GraphicsLayerWC::Observer
void graphicsLayerAdded(GraphicsLayerWC&) override;
void graphicsLayerRemoved(GraphicsLayerWC&) override;
void commitLayerUpdateInfo(WCLayerUpdateInfo&&) override;
RefPtr<WebCore::ImageBuffer> createImageBuffer(WebCore::FloatSize) override;
bool isCompositingMode();
void updateRendering();
void sendUpdateAC();
void sendUpdateNonAC();
void updateRootLayers();
struct RootLayerInfo {
Ref<WebCore::GraphicsLayer> layer;
RefPtr<WebCore::GraphicsLayer> contentLayer;
RefPtr<WebCore::GraphicsLayer> viewOverlayRootLayer;
WebCore::FrameIdentifier frameID;
};
RootLayerInfo* rootLayerInfoWithFrameIdentifier(WebCore::FrameIdentifier);
WebCore::GraphicsLayerClient m_rootLayerClient;
std::unique_ptr<RemoteWCLayerTreeHostProxy> m_remoteWCLayerTreeHostProxy;
WCLayerFactory m_layerFactory;
DoublyLinkedList<GraphicsLayerWC> m_liveGraphicsLayers;
WebCore::Timer m_updateRenderingTimer;
bool m_isRenderingSuspended { false };
bool m_hasDeferredRenderingUpdate { false };
bool m_inUpdateRendering { false };
bool m_waitDidUpdate { false };
bool m_isForceRepaintCompletionHandlerDeferred { false };
WCUpdateInfo m_updateInfo;
Vector<RootLayerInfo, 1> m_rootLayers;
Ref<WorkQueue> m_commitQueue;
int64_t m_backingStoreStateID { 0 };
WebCore::Region m_dirtyRegion;
WebCore::IntRect m_scrollRect;
WebCore::IntSize m_scrollOffset;
CompletionHandler<void()> m_forceRepaintCompletionHandler;
};
} // namespace WebKit
#endif // USE(GRAPHICS_LAYER_WC)
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