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/*
* Copyright (C) 2014 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.
*/
#ifndef PageOverlayController_h
#define PageOverlayController_h
#include "PageOverlay.h"
#include "WKBase.h"
#include <WebCore/GraphicsLayerClient.h>
#include <wtf/HashMap.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
namespace WebCore {
class Frame;
}
namespace WebKit {
class WebMouseEvent;
class WebPage;
class PageOverlayController : public WebCore::GraphicsLayerClient {
public:
PageOverlayController(WebPage&);
void initialize();
WebCore::GraphicsLayer* documentOverlayRootLayer() const { return m_documentOverlayRootLayer.get(); }
WebCore::GraphicsLayer* viewOverlayRootLayer() const { return m_viewOverlayRootLayer.get(); }
void installPageOverlay(PassRefPtr<PageOverlay>, PageOverlay::FadeMode);
void uninstallPageOverlay(PageOverlay*, PageOverlay::FadeMode);
void setPageOverlayNeedsDisplay(PageOverlay&, const WebCore::IntRect&);
void setPageOverlayOpacity(PageOverlay&, float);
void clearPageOverlay(PageOverlay&);
WebCore::GraphicsLayer* layerForOverlay(PageOverlay&) const;
void didChangeViewSize();
void didChangeDocumentSize();
void didChangePreferences();
void didChangeDeviceScaleFactor();
void didChangeExposedRect();
void didScrollFrame(WebCore::Frame*);
void didChangeOverlayFrame(PageOverlay&);
void didChangeOverlayBackgroundColor(PageOverlay&);
void flushPageOverlayLayers(WebCore::FloatRect);
bool handleMouseEvent(const WebMouseEvent&);
// FIXME: We shouldn't use API types here.
WKTypeRef copyAccessibilityAttributeValue(WKStringRef attribute, WKTypeRef parameter);
WKArrayRef copyAccessibilityAttributesNames(bool parameterizedNames);
private:
void updateSettingsForLayer(WebCore::GraphicsLayer&);
void updateForceSynchronousScrollLayerPositionUpdates();
// WebCore::GraphicsLayerClient
virtual void notifyFlushRequired(const WebCore::GraphicsLayer*) override;
virtual void paintContents(const WebCore::GraphicsLayer*, WebCore::GraphicsContext&, WebCore::GraphicsLayerPaintingPhase, const WebCore::FloatRect& clipRect) override;
virtual float deviceScaleFactor() const override;
virtual bool shouldSkipLayerInDump(const WebCore::GraphicsLayer*) const override { return true; }
std::unique_ptr<WebCore::GraphicsLayer> m_documentOverlayRootLayer;
std::unique_ptr<WebCore::GraphicsLayer> m_viewOverlayRootLayer;
HashMap<PageOverlay*, std::unique_ptr<WebCore::GraphicsLayer>> m_overlayGraphicsLayers;
Vector<RefPtr<PageOverlay>> m_pageOverlays;
WebPage& m_webPage;
};
} // namespace WebKit
#endif // PageOverlayController_h
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