| /* |
| * Copyright (C) 2011, 2012 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 LayerTreeHost_h |
| #define LayerTreeHost_h |
| |
| #if USE(COORDINATED_GRAPHICS) || USE(TEXTURE_MAPPER) |
| |
| #include "CallbackID.h" |
| #include "LayerTreeContext.h" |
| #include <WebCore/DisplayRefreshMonitor.h> |
| #include <WebCore/PlatformScreen.h> |
| #include <wtf/Forward.h> |
| #include <wtf/RefCounted.h> |
| #include <wtf/RefPtr.h> |
| |
| namespace IPC { |
| class Connection; |
| } |
| |
| namespace WebCore { |
| class IntRect; |
| class IntSize; |
| class GraphicsLayer; |
| class GraphicsLayerFactory; |
| #if USE(COORDINATED_GRAPHICS_THREADED) |
| struct ViewportAttributes; |
| #endif |
| } |
| |
| namespace WebKit { |
| |
| class WebPage; |
| |
| class LayerTreeHost : public RefCounted<LayerTreeHost> { |
| public: |
| static RefPtr<LayerTreeHost> create(WebPage&); |
| virtual ~LayerTreeHost(); |
| |
| const LayerTreeContext& layerTreeContext() const { return m_layerTreeContext; } |
| void setLayerFlushSchedulingEnabled(bool); |
| void setShouldNotifyAfterNextScheduledLayerFlush(bool notifyAfterScheduledLayerFlush) { m_notifyAfterScheduledLayerFlush = notifyAfterScheduledLayerFlush; } |
| |
| virtual void scheduleLayerFlush() = 0; |
| virtual void cancelPendingLayerFlush() = 0; |
| virtual void setRootCompositingLayer(WebCore::GraphicsLayer*) = 0; |
| virtual void invalidate(); |
| |
| virtual void setNonCompositedContentsNeedDisplay() { }; |
| virtual void setNonCompositedContentsNeedDisplayInRect(const WebCore::IntRect&) { }; |
| virtual void scrollNonCompositedContents(const WebCore::IntRect&) { }; |
| virtual void forceRepaint() = 0; |
| virtual bool forceRepaintAsync(CallbackID) { return false; } |
| virtual void sizeDidChange(const WebCore::IntSize& newSize) = 0; |
| virtual void pageBackgroundTransparencyChanged() = 0; |
| |
| virtual void pauseRendering(); |
| virtual void resumeRendering(); |
| |
| virtual WebCore::GraphicsLayerFactory* graphicsLayerFactory() { return nullptr; } |
| |
| #if USE(COORDINATED_GRAPHICS_THREADED) |
| virtual void contentsSizeChanged(const WebCore::IntSize&) { }; |
| virtual void didChangeViewportAttributes(WebCore::ViewportAttributes&&) { }; |
| #endif |
| |
| #if USE(COORDINATED_GRAPHICS) |
| virtual void scheduleAnimation() = 0; |
| virtual void setIsDiscardable(bool) { }; |
| #endif |
| |
| #if USE(TEXTURE_MAPPER_GL) && PLATFORM(GTK) |
| virtual void setNativeSurfaceHandleForCompositing(uint64_t) { }; |
| #endif |
| |
| #if USE(COORDINATED_GRAPHICS) || USE(TEXTURE_MAPPER) |
| virtual void deviceOrPageScaleFactorChanged() = 0; |
| #endif |
| |
| #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR) |
| virtual RefPtr<WebCore::DisplayRefreshMonitor> createDisplayRefreshMonitor(WebCore::PlatformDisplayID) { return nullptr; } |
| #endif |
| |
| virtual void setViewOverlayRootLayer(WebCore::GraphicsLayer* viewOverlayRootLayer) { m_viewOverlayRootLayer = viewOverlayRootLayer; } |
| |
| protected: |
| explicit LayerTreeHost(WebPage&); |
| |
| WebPage& m_webPage; |
| LayerTreeContext m_layerTreeContext; |
| bool m_layerFlushSchedulingEnabled { true }; |
| bool m_notifyAfterScheduledLayerFlush { false }; |
| bool m_isSuspended { false }; |
| bool m_isValid { true }; |
| WebCore::GraphicsLayer* m_viewOverlayRootLayer { nullptr }; |
| }; |
| |
| } // namespace WebKit |
| |
| #endif // USE(COORDINATED_GRAPHICS) || USE(TEXTURE_MAPPER) |
| |
| #endif // LayerTreeHost_h |