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/*
* Copyright (C) 2012 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.
*/
#pragma once
#include "RemoteLayerTreeNode.h"
#include "RemoteLayerTreeTransaction.h"
#include <WebCore/PlatformCALayer.h>
#include <wtf/HashMap.h>
#include <wtf/RetainPtr.h>
OBJC_CLASS CAAnimation;
OBJC_CLASS WKAnimationDelegate;
namespace WebKit {
class RemoteLayerTreeDrawingAreaProxy;
class WebPageProxy;
class RemoteLayerTreeHost {
WTF_MAKE_FAST_ALLOCATED;
public:
explicit RemoteLayerTreeHost(RemoteLayerTreeDrawingAreaProxy&);
~RemoteLayerTreeHost();
RemoteLayerTreeNode* nodeForID(WebCore::GraphicsLayer::PlatformLayerID) const;
RemoteLayerTreeNode* rootNode() const { return m_rootNode; }
CALayer *layerForID(WebCore::GraphicsLayer::PlatformLayerID) const;
CALayer *rootLayer() const;
// Returns true if the root layer changed.
bool updateLayerTree(const RemoteLayerTreeTransaction&, float indicatorScaleFactor = 1);
void setIsDebugLayerTreeHost(bool flag) { m_isDebugLayerTreeHost = flag; }
bool isDebugLayerTreeHost() const { return m_isDebugLayerTreeHost; }
typedef HashMap<WebCore::GraphicsLayer::PlatformLayerID, RetainPtr<WKAnimationDelegate>> LayerAnimationDelegateMap;
LayerAnimationDelegateMap& animationDelegates() { return m_animationDelegates; }
void animationDidStart(WebCore::GraphicsLayer::PlatformLayerID, CAAnimation *, MonotonicTime startTime);
void animationDidEnd(WebCore::GraphicsLayer::PlatformLayerID, CAAnimation *);
void detachFromDrawingArea();
void clearLayers();
// Detach the root layer; it will be reattached upon the next incoming commit.
void detachRootLayer();
// Turn all CAMachPort objects in layer contents into actual IOSurfaces.
// This avoids keeping an outstanding InUse reference when suspended.
void mapAllIOSurfaceBackingStore();
CALayer *layerWithIDForTesting(uint64_t) const;
bool replayCGDisplayListsIntoBackingStore() const;
#if ENABLE(OVERLAY_REGIONS_IN_EVENT_REGION)
const HashMap<WebCore::GraphicsLayer::PlatformLayerID, CGRect>& overlayRegionsWithIDs() const { return m_overlayRegionsWithIDs; }
void updateOverlayRegionsWithIDs(const HashMap<WebCore::GraphicsLayer::PlatformLayerID, CGRect> &overlayRegions) { m_overlayRegionsWithIDs = overlayRegions; }
#endif
private:
void createLayer(const RemoteLayerTreeTransaction::LayerCreationProperties&);
std::unique_ptr<RemoteLayerTreeNode> makeNode(const RemoteLayerTreeTransaction::LayerCreationProperties&);
void layerWillBeRemoved(WebCore::GraphicsLayer::PlatformLayerID);
RemoteLayerBackingStore::LayerContentsType layerContentsType() const;
RemoteLayerTreeDrawingAreaProxy* m_drawingArea { nullptr };
RemoteLayerTreeNode* m_rootNode { nullptr };
HashMap<WebCore::GraphicsLayer::PlatformLayerID, std::unique_ptr<RemoteLayerTreeNode>> m_nodes;
HashMap<WebCore::GraphicsLayer::PlatformLayerID, RetainPtr<WKAnimationDelegate>> m_animationDelegates;
#if ENABLE(OVERLAY_REGIONS_IN_EVENT_REGION)
HashMap<WebCore::GraphicsLayer::PlatformLayerID, CGRect> m_overlayRegionsWithIDs;
#endif
bool m_isDebugLayerTreeHost { false };
};
} // namespace WebKit
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