| /* |
| * Copyright (C) 2011 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 TiledCoreAnimationDrawingArea_h |
| #define TiledCoreAnimationDrawingArea_h |
| |
| #if ENABLE(THREADED_SCROLLING) |
| |
| #include "DrawingArea.h" |
| #include "LayerTreeContext.h" |
| #include <WebCore/FloatRect.h> |
| #include <WebCore/GraphicsLayerClient.h> |
| #include <WebCore/LayerFlushScheduler.h> |
| #include <WebCore/LayerFlushSchedulerClient.h> |
| #include <WebCore/Timer.h> |
| #include <wtf/HashMap.h> |
| #include <wtf/RetainPtr.h> |
| |
| OBJC_CLASS CALayer; |
| OBJC_CLASS WKContentLayer; |
| |
| namespace WebCore { |
| class TiledBacking; |
| } |
| |
| namespace WebKit { |
| |
| class LayerHostingContext; |
| |
| class TiledCoreAnimationDrawingArea : public DrawingArea, WebCore::GraphicsLayerClient, WebCore::LayerFlushSchedulerClient { |
| public: |
| static PassOwnPtr<TiledCoreAnimationDrawingArea> create(WebPage*, const WebPageCreationParameters&); |
| virtual ~TiledCoreAnimationDrawingArea(); |
| |
| private: |
| TiledCoreAnimationDrawingArea(WebPage*, const WebPageCreationParameters&); |
| |
| // DrawingArea |
| virtual void setNeedsDisplay() OVERRIDE; |
| virtual void setNeedsDisplayInRect(const WebCore::IntRect&) OVERRIDE; |
| virtual void scroll(const WebCore::IntRect& scrollRect, const WebCore::IntSize& scrollDelta) OVERRIDE; |
| |
| virtual void forceRepaint() OVERRIDE; |
| virtual bool forceRepaintAsync(uint64_t callbackID) OVERRIDE; |
| virtual void setLayerTreeStateIsFrozen(bool) OVERRIDE; |
| virtual bool layerTreeStateIsFrozen() const OVERRIDE; |
| virtual void setRootCompositingLayer(WebCore::GraphicsLayer*) OVERRIDE; |
| virtual void scheduleCompositingLayerFlush() OVERRIDE; |
| |
| virtual void didInstallPageOverlay(PageOverlay*) OVERRIDE; |
| virtual void didUninstallPageOverlay(PageOverlay*) OVERRIDE; |
| virtual void setPageOverlayNeedsDisplay(PageOverlay*, const WebCore::IntRect&) OVERRIDE; |
| virtual void updatePreferences(const WebPreferencesStore&) OVERRIDE; |
| virtual void mainFrameContentSizeChanged(const WebCore::IntSize&) OVERRIDE; |
| |
| virtual void setExposedRect(const WebCore::FloatRect&) OVERRIDE; |
| virtual void mainFrameScrollabilityChanged(bool) OVERRIDE; |
| |
| virtual void didChangeScrollOffsetForAnyFrame() OVERRIDE; |
| |
| virtual void dispatchAfterEnsuringUpdatedScrollPosition(const Function<void ()>&) OVERRIDE; |
| |
| // WebCore::GraphicsLayerClient |
| virtual void notifyAnimationStarted(const WebCore::GraphicsLayer*, double time) OVERRIDE; |
| virtual void notifyFlushRequired(const WebCore::GraphicsLayer*) OVERRIDE; |
| virtual void paintContents(const WebCore::GraphicsLayer*, WebCore::GraphicsContext&, WebCore::GraphicsLayerPaintingPhase, const WebCore::IntRect& clipRect) OVERRIDE; |
| virtual float deviceScaleFactor() const OVERRIDE; |
| virtual void didCommitChangesForLayer(const WebCore::GraphicsLayer*) const OVERRIDE; |
| |
| // WebCore::LayerFlushSchedulerClient |
| virtual bool flushLayers() OVERRIDE; |
| |
| // Message handlers. |
| virtual void suspendPainting() OVERRIDE; |
| virtual void resumePainting() OVERRIDE; |
| virtual void updateGeometry(const WebCore::IntSize& viewSize, const WebCore::IntSize& layerPosition) OVERRIDE; |
| virtual void setDeviceScaleFactor(float) OVERRIDE; |
| virtual void setLayerHostingMode(uint32_t) OVERRIDE; |
| virtual void setColorSpace(const ColorSpaceData&) OVERRIDE; |
| |
| void updateLayerHostingContext(); |
| |
| void setRootCompositingLayer(CALayer *); |
| |
| void createPageOverlayLayer(PageOverlay*); |
| void destroyPageOverlayLayer(PageOverlay*); |
| WebCore::TiledBacking* mainFrameTiledBacking() const; |
| void updateDebugInfoLayer(bool showLayer); |
| |
| void updateIntrinsicContentSizeTimerFired(WebCore::Timer<TiledCoreAnimationDrawingArea>*); |
| void updateMainFrameClipsToExposedRect(); |
| |
| void invalidateAllPageOverlays(); |
| |
| bool m_layerTreeStateIsFrozen; |
| WebCore::LayerFlushScheduler m_layerFlushScheduler; |
| |
| OwnPtr<LayerHostingContext> m_layerHostingContext; |
| |
| RetainPtr<CALayer> m_rootLayer; |
| RetainPtr<CALayer> m_pendingRootCompositingLayer; |
| |
| RetainPtr<CALayer> m_debugInfoLayer; |
| |
| typedef HashMap<PageOverlay*, OwnPtr<WebCore::GraphicsLayer>> PageOverlayLayerMap; |
| PageOverlayLayerMap m_pageOverlayLayers; |
| mutable HashMap<const WebCore::GraphicsLayer*, RetainPtr<CALayer>> m_pageOverlayPlatformLayers; |
| |
| bool m_isPaintingSuspended; |
| bool m_hasRootCompositingLayer; |
| |
| WebCore::FloatRect m_exposedRect; |
| |
| WebCore::IntSize m_lastSentIntrinsicContentSize; |
| WebCore::Timer<TiledCoreAnimationDrawingArea> m_updateIntrinsicContentSizeTimer; |
| bool m_inUpdateGeometry; |
| }; |
| |
| } // namespace WebKit |
| |
| #endif // ENABLE(THREADED_SCROLLING) |
| |
| #endif // TiledCoreAnimationDrawingArea_h |