111 lines
4.2 KiB
C++
111 lines
4.2 KiB
C++
/*
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* Copyright (C) 2014 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "GraphicsLayerClient.h"
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#include "PageOverlay.h"
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#include <wtf/HashMap.h>
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#include <wtf/RefPtr.h>
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#include <wtf/Vector.h>
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namespace WebCore {
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class Frame;
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class Page;
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class PlatformMouseEvent;
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class PageOverlayController final : public GraphicsLayerClient {
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WTF_MAKE_FAST_ALLOCATED;
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friend class MockPageOverlayClient;
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public:
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PageOverlayController(Page&);
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virtual ~PageOverlayController();
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bool hasDocumentOverlays() const;
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bool hasViewOverlays() const;
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GraphicsLayer& layerWithDocumentOverlays();
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GraphicsLayer& layerWithViewOverlays();
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const Vector<RefPtr<PageOverlay>>& pageOverlays() const { return m_pageOverlays; }
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WEBCORE_EXPORT void installPageOverlay(PageOverlay&, PageOverlay::FadeMode);
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WEBCORE_EXPORT void uninstallPageOverlay(PageOverlay&, PageOverlay::FadeMode);
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void setPageOverlayNeedsDisplay(PageOverlay&, const IntRect&);
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void setPageOverlayOpacity(PageOverlay&, float);
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void clearPageOverlay(PageOverlay&);
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GraphicsLayer& layerForOverlay(PageOverlay&) const;
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void didChangeViewSize();
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void didChangeDocumentSize();
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void didChangeSettings();
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WEBCORE_EXPORT void didChangeDeviceScaleFactor();
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void didChangeViewExposedRect();
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void didScrollFrame(Frame&);
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void didChangeOverlayFrame(PageOverlay&);
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void didChangeOverlayBackgroundColor(PageOverlay&);
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int overlayCount() const { return m_overlayGraphicsLayers.size(); }
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bool handleMouseEvent(const PlatformMouseEvent&);
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WEBCORE_EXPORT bool copyAccessibilityAttributeStringValueForPoint(String attribute, FloatPoint, String& value);
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WEBCORE_EXPORT bool copyAccessibilityAttributeBoolValueForPoint(String attribute, FloatPoint, bool& value);
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WEBCORE_EXPORT Vector<String> copyAccessibilityAttributesNames(bool parameterizedNames);
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private:
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void createRootLayersIfNeeded();
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WEBCORE_EXPORT GraphicsLayer* documentOverlayRootLayer() const;
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WEBCORE_EXPORT GraphicsLayer* viewOverlayRootLayer() const;
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void installedPageOverlaysChanged();
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void attachViewOverlayLayers();
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void detachViewOverlayLayers();
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void updateSettingsForLayer(GraphicsLayer&);
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void updateForceSynchronousScrollLayerPositionUpdates();
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// GraphicsLayerClient
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void notifyFlushRequired(const GraphicsLayer*) override;
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void paintContents(const GraphicsLayer*, GraphicsContext&, const FloatRect& clipRect, GraphicsLayerPaintBehavior) override;
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float deviceScaleFactor() const override;
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bool shouldSkipLayerInDump(const GraphicsLayer*, OptionSet<LayerTreeAsTextOptions>) const override;
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void tiledBackingUsageChanged(const GraphicsLayer*, bool) override;
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Page& m_page;
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RefPtr<GraphicsLayer> m_documentOverlayRootLayer;
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RefPtr<GraphicsLayer> m_viewOverlayRootLayer;
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HashMap<PageOverlay*, Ref<GraphicsLayer>> m_overlayGraphicsLayers;
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Vector<RefPtr<PageOverlay>> m_pageOverlays;
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bool m_initialized { false };
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};
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} // namespace WebKit
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