PageOverlayController.h [plain text]
#pragma once
#include "GraphicsLayerClient.h"
#include "PageOverlay.h"
#include <wtf/HashMap.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
namespace WebCore {
class Frame;
class Page;
class PlatformMouseEvent;
class PageOverlayController final : public GraphicsLayerClient {
WTF_MAKE_FAST_ALLOCATED;
public:
PageOverlayController(Page&);
virtual ~PageOverlayController();
GraphicsLayer& layerWithDocumentOverlays();
GraphicsLayer& layerWithViewOverlays();
WEBCORE_EXPORT GraphicsLayer* documentOverlayRootLayer() const;
WEBCORE_EXPORT GraphicsLayer* viewOverlayRootLayer() const;
const Vector<RefPtr<PageOverlay>>& pageOverlays() const { return m_pageOverlays; }
WEBCORE_EXPORT void installPageOverlay(PageOverlay&, PageOverlay::FadeMode);
WEBCORE_EXPORT void uninstallPageOverlay(PageOverlay&, PageOverlay::FadeMode);
void setPageOverlayNeedsDisplay(PageOverlay&, const IntRect&);
void setPageOverlayOpacity(PageOverlay&, float);
void clearPageOverlay(PageOverlay&);
GraphicsLayer& layerForOverlay(PageOverlay&) const;
void willDetachRootLayer();
void didChangeViewSize();
void didChangeDocumentSize();
void didChangeSettings();
WEBCORE_EXPORT void didChangeDeviceScaleFactor();
void didChangeViewExposedRect();
void didScrollFrame(Frame&);
void didChangeOverlayFrame(PageOverlay&);
void didChangeOverlayBackgroundColor(PageOverlay&);
int overlayCount() const { return m_overlayGraphicsLayers.size(); }
bool handleMouseEvent(const PlatformMouseEvent&);
WEBCORE_EXPORT bool copyAccessibilityAttributeStringValueForPoint(String attribute, FloatPoint, String& value);
WEBCORE_EXPORT bool copyAccessibilityAttributeBoolValueForPoint(String attribute, FloatPoint, bool& value);
WEBCORE_EXPORT Vector<String> copyAccessibilityAttributesNames(bool parameterizedNames);
private:
void createRootLayersIfNeeded();
void updateSettingsForLayer(GraphicsLayer&);
void updateForceSynchronousScrollLayerPositionUpdates();
void notifyFlushRequired(const GraphicsLayer*) override;
void paintContents(const GraphicsLayer*, GraphicsContext&, GraphicsLayerPaintingPhase, const FloatRect& clipRect, GraphicsLayerPaintBehavior) override;
float deviceScaleFactor() const override;
bool shouldSkipLayerInDump(const GraphicsLayer*, LayerTreeAsTextBehavior) const override;
void tiledBackingUsageChanged(const GraphicsLayer*, bool) override;
std::unique_ptr<GraphicsLayer> m_documentOverlayRootLayer;
std::unique_ptr<GraphicsLayer> m_viewOverlayRootLayer;
bool m_initialized;
HashMap<PageOverlay*, std::unique_ptr<GraphicsLayer>> m_overlayGraphicsLayers;
Vector<RefPtr<PageOverlay>> m_pageOverlays;
Page& m_page;
};
}