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/*
* Copyright (C) 2012-2023 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 "LayerTreeContext.h"
#include "RemoteLayerBackingStoreCollection.h"
#include "RemoteLayerTreeTransaction.h"
#include <WebCore/FloatSize.h>
#include <WebCore/FrameIdentifier.h>
#include <WebCore/GraphicsLayerFactory.h>
#include <WebCore/HTMLMediaElementIdentifier.h>
#include <WebCore/LayerPool.h>
#include <WebCore/PlatformCALayer.h>
#include <wtf/CheckedPtr.h>
#include <wtf/RefCountedAndCanMakeWeakPtr.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/Vector.h>
namespace WebKit {
class GraphicsLayerCARemote;
class PlatformCALayerRemote;
class RemoteRenderingBackendProxy;
class WebFrame;
class WebPage;
// FIXME: This class doesn't do much now. Roll into RemoteLayerTreeDrawingArea?
class RemoteLayerTreeContext : public RefCountedAndCanMakeWeakPtr<RemoteLayerTreeContext>, public WebCore::GraphicsLayerFactory {
WTF_MAKE_TZONE_ALLOCATED(RemoteLayerTreeContext);
public:
static Ref<RemoteLayerTreeContext> create(WebPage& webpage)
{
return adoptRef(*new RemoteLayerTreeContext(webpage));
}
~RemoteLayerTreeContext();
void layerDidEnterContext(PlatformCALayerRemote&, WebCore::PlatformCALayer::LayerType);
#if HAVE(AVKIT)
void layerDidEnterContext(PlatformCALayerRemote&, WebCore::PlatformCALayer::LayerType, WebCore::HTMLVideoElement&);
#endif
void layerWillLeaveContext(PlatformCALayerRemote&);
void graphicsLayerDidEnterContext(GraphicsLayerCARemote&);
void graphicsLayerWillLeaveContext(GraphicsLayerCARemote&);
WebCore::LayerPool& layerPool() { return m_layerPool; }
float deviceScaleFactor() const;
LayerHostingMode layerHostingMode() const;
std::optional<WebCore::DestinationColorSpace> displayColorSpace() const;
std::optional<DrawingAreaIdentifier> drawingAreaIdentifier() const;
void buildTransaction(RemoteLayerTreeTransaction&, WebCore::PlatformCALayer& rootLayer, WebCore::FrameIdentifier);
void layerPropertyChangedWhileBuildingTransaction(PlatformCALayerRemote&);
// From the UI process
void animationDidStart(WebCore::PlatformLayerIdentifier, const String& key, MonotonicTime startTime);
void animationDidEnd(WebCore::PlatformLayerIdentifier, const String& key);
void willStartAnimationOnLayer(PlatformCALayerRemote&);
RemoteLayerBackingStoreCollection& backingStoreCollection() { return *m_backingStoreCollection; }
Ref<RemoteLayerBackingStoreCollection> protectedBackingStoreCollection() { return *m_backingStoreCollection; }
void setNextRenderingUpdateRequiresSynchronousImageDecoding() { m_nextRenderingUpdateRequiresSynchronousImageDecoding = true; }
bool nextRenderingUpdateRequiresSynchronousImageDecoding() const { return m_nextRenderingUpdateRequiresSynchronousImageDecoding; }
void adoptLayersFromContext(RemoteLayerTreeContext&);
RemoteRenderingBackendProxy& ensureRemoteRenderingBackendProxy();
bool useDynamicContentScalingDisplayListsForDOMRendering() const { return m_useDynamicContentScalingDisplayListsForDOMRendering; }
void setUseDynamicContentScalingDisplayListsForDOMRendering(bool useDynamicContentScalingDisplayLists) { m_useDynamicContentScalingDisplayListsForDOMRendering = useDynamicContentScalingDisplayLists; }
void gpuProcessConnectionWasDestroyed();
#if PLATFORM(IOS_FAMILY)
bool canShowWhileLocked() const;
#endif
WebPage& webPage();
Ref<WebPage> protectedWebPage();
private:
explicit RemoteLayerTreeContext(WebPage&);
// WebCore::GraphicsLayerFactory
Ref<WebCore::GraphicsLayer> createGraphicsLayer(WebCore::GraphicsLayer::Type, WebCore::GraphicsLayerClient&) override;
WeakRef<WebPage> m_webPage;
HashMap<WebCore::PlatformLayerIdentifier, RemoteLayerTreeTransaction::LayerCreationProperties> m_createdLayers;
Vector<WebCore::PlatformLayerIdentifier> m_destroyedLayers;
HashMap<WebCore::PlatformLayerIdentifier, WeakPtr<PlatformCALayerRemote>> m_livePlatformLayers;
HashMap<WebCore::PlatformLayerIdentifier, WeakPtr<PlatformCALayerRemote>> m_layersWithAnimations;
#if HAVE(AVKIT)
HashMap<WebCore::PlatformLayerIdentifier, PlaybackSessionContextIdentifier> m_videoLayers;
#endif
HashSet<WeakRef<GraphicsLayerCARemote>> m_liveGraphicsLayers;
UniqueRef<RemoteLayerBackingStoreCollection> m_backingStoreCollection;
WebCore::LayerPool m_layerPool;
CheckedPtr<RemoteLayerTreeTransaction> m_currentTransaction;
bool m_nextRenderingUpdateRequiresSynchronousImageDecoding { false };
bool m_useDynamicContentScalingDisplayListsForDOMRendering { false };
};
} // namespace WebKit
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