| /* |
| * Copyright (C) 2011 Apple Inc. All rights reserved. |
| * Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). |
| * Copyright (C) 2012 Company 100, Inc. |
| * |
| * 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. |
| */ |
| |
| #include "config.h" |
| |
| #if USE(COORDINATED_GRAPHICS) |
| #include "CoordinatedLayerTreeHost.h" |
| |
| #include "DrawingArea.h" |
| #include "WebCoordinatedSurface.h" |
| #include "WebPage.h" |
| #include "WebPageProxyMessages.h" |
| #include <WebCore/FrameView.h> |
| #include <WebCore/MainFrame.h> |
| #include <WebCore/PageOverlayController.h> |
| |
| #if USE(COORDINATED_GRAPHICS_THREADED) |
| #include "ThreadSafeCoordinatedSurface.h" |
| #elif USE(COORDINATED_GRAPHICS_MULTIPROCESS) |
| #include "CoordinatedGraphicsArgumentCoders.h" |
| #include "CoordinatedLayerTreeHostProxyMessages.h" |
| #include "WebCoreArgumentCoders.h" |
| #endif |
| |
| using namespace WebCore; |
| |
| namespace WebKit { |
| |
| Ref<CoordinatedLayerTreeHost> CoordinatedLayerTreeHost::create(WebPage& webPage) |
| { |
| return adoptRef(*new CoordinatedLayerTreeHost(webPage)); |
| } |
| |
| CoordinatedLayerTreeHost::~CoordinatedLayerTreeHost() |
| { |
| } |
| |
| CoordinatedLayerTreeHost::CoordinatedLayerTreeHost(WebPage& webPage) |
| : LayerTreeHost(webPage) |
| , m_coordinator(webPage.corePage(), *this) |
| , m_layerFlushTimer(RunLoop::main(), this, &CoordinatedLayerTreeHost::layerFlushTimerFired) |
| { |
| m_coordinator.createRootLayer(m_webPage.size()); |
| #if USE(COORDINATED_GRAPHICS_MULTIPROCESS) |
| m_layerTreeContext.contextID = downcast<CoordinatedGraphicsLayer>(*m_coordinator.rootLayer()).id(); |
| #endif |
| |
| CoordinatedSurface::setFactory(createCoordinatedSurface); |
| scheduleLayerFlush(); |
| } |
| |
| void CoordinatedLayerTreeHost::scheduleLayerFlush() |
| { |
| if (!m_layerFlushSchedulingEnabled) |
| return; |
| |
| if (!m_layerFlushTimer.isActive()) |
| m_layerFlushTimer.startOneShot(0); |
| } |
| |
| void CoordinatedLayerTreeHost::cancelPendingLayerFlush() |
| { |
| m_layerFlushTimer.stop(); |
| } |
| |
| void CoordinatedLayerTreeHost::setViewOverlayRootLayer(GraphicsLayer* viewOverlayRootLayer) |
| { |
| LayerTreeHost::setViewOverlayRootLayer(viewOverlayRootLayer); |
| m_coordinator.setViewOverlayRootLayer(viewOverlayRootLayer); |
| } |
| |
| void CoordinatedLayerTreeHost::setRootCompositingLayer(GraphicsLayer* graphicsLayer) |
| { |
| m_coordinator.setRootCompositingLayer(graphicsLayer); |
| } |
| |
| void CoordinatedLayerTreeHost::invalidate() |
| { |
| cancelPendingLayerFlush(); |
| |
| m_coordinator.invalidate(); |
| LayerTreeHost::invalidate(); |
| } |
| |
| void CoordinatedLayerTreeHost::forceRepaint() |
| { |
| // This is necessary for running layout tests. Since in this case we are not waiting for a UIProcess to reply nicely. |
| // Instead we are just triggering forceRepaint. But we still want to have the scripted animation callbacks being executed. |
| m_coordinator.syncDisplayState(); |
| |
| // We need to schedule another flush, otherwise the forced paint might cancel a later expected flush. |
| // This is aligned with LayerTreeHostCA. |
| scheduleLayerFlush(); |
| |
| if (m_isWaitingForRenderer) |
| return; |
| |
| m_coordinator.flushPendingLayerChanges(); |
| } |
| |
| bool CoordinatedLayerTreeHost::forceRepaintAsync(uint64_t callbackID) |
| { |
| // We expect the UI process to not require a new repaint until the previous one has finished. |
| ASSERT(!m_forceRepaintAsyncCallbackID); |
| m_forceRepaintAsyncCallbackID = callbackID; |
| scheduleLayerFlush(); |
| return true; |
| } |
| |
| void CoordinatedLayerTreeHost::sizeDidChange(const IntSize& newSize) |
| { |
| m_coordinator.sizeDidChange(newSize); |
| scheduleLayerFlush(); |
| } |
| |
| void CoordinatedLayerTreeHost::setVisibleContentsRect(const FloatRect& rect, const FloatPoint& trajectoryVector) |
| { |
| m_coordinator.setVisibleContentsRect(rect, trajectoryVector); |
| scheduleLayerFlush(); |
| } |
| |
| void CoordinatedLayerTreeHost::renderNextFrame() |
| { |
| m_isWaitingForRenderer = false; |
| scheduleLayerFlush(); |
| m_coordinator.renderNextFrame(); |
| } |
| |
| void CoordinatedLayerTreeHost::didFlushRootLayer(const FloatRect& visibleContentRect) |
| { |
| // Because our view-relative overlay root layer is not attached to the FrameView's GraphicsLayer tree, we need to flush it manually. |
| if (m_viewOverlayRootLayer) |
| m_viewOverlayRootLayer->flushCompositingState(visibleContentRect, m_webPage.mainFrame()->view()->viewportIsStable()); |
| } |
| |
| void CoordinatedLayerTreeHost::layerFlushTimerFired() |
| { |
| if (m_isSuspended || m_isWaitingForRenderer) |
| return; |
| |
| m_coordinator.syncDisplayState(); |
| |
| if (!m_isValid) |
| return; |
| |
| bool didSync = m_coordinator.flushPendingLayerChanges(); |
| |
| if (m_forceRepaintAsyncCallbackID) { |
| m_webPage.send(Messages::WebPageProxy::VoidCallback(m_forceRepaintAsyncCallbackID)); |
| m_forceRepaintAsyncCallbackID = 0; |
| } |
| |
| if (m_notifyAfterScheduledLayerFlush && didSync) { |
| m_webPage.drawingArea()->layerHostDidFlushLayers(); |
| m_notifyAfterScheduledLayerFlush = false; |
| } |
| } |
| |
| void CoordinatedLayerTreeHost::paintLayerContents(const GraphicsLayer*, GraphicsContext&, const IntRect&) |
| { |
| } |
| |
| void CoordinatedLayerTreeHost::commitSceneState(const CoordinatedGraphicsState& state) |
| { |
| #if USE(COORDINATED_GRAPHICS_MULTIPROCESS) |
| m_webPage.send(Messages::CoordinatedLayerTreeHostProxy::CommitCoordinatedGraphicsState(state)); |
| #endif |
| m_isWaitingForRenderer = true; |
| } |
| |
| RefPtr<CoordinatedSurface> CoordinatedLayerTreeHost::createCoordinatedSurface(const IntSize& size, CoordinatedSurface::Flags flags) |
| { |
| #if USE(COORDINATED_GRAPHICS_THREADED) |
| return ThreadSafeCoordinatedSurface::create(size, flags); |
| #elif USE(COORDINATED_GRAPHICS_MULTIPROCESS) |
| return WebCoordinatedSurface::create(size, flags); |
| #else |
| UNUSED_PARAM(size); |
| UNUSED_PARAM(flags); |
| return nullptr; |
| #endif |
| } |
| |
| void CoordinatedLayerTreeHost::deviceOrPageScaleFactorChanged() |
| { |
| m_coordinator.deviceOrPageScaleFactorChanged(); |
| m_webPage.mainFrame()->pageOverlayController().didChangeDeviceScaleFactor(); |
| } |
| |
| void CoordinatedLayerTreeHost::pageBackgroundTransparencyChanged() |
| { |
| } |
| |
| GraphicsLayerFactory* CoordinatedLayerTreeHost::graphicsLayerFactory() |
| { |
| return &m_coordinator; |
| } |
| |
| #if ENABLE(REQUEST_ANIMATION_FRAME) |
| void CoordinatedLayerTreeHost::scheduleAnimation() |
| { |
| if (m_isWaitingForRenderer) |
| return; |
| |
| if (m_layerFlushTimer.isActive()) |
| return; |
| |
| scheduleLayerFlush(); |
| m_layerFlushTimer.startOneShot(m_coordinator.nextAnimationServiceTime()); |
| } |
| #endif |
| |
| void CoordinatedLayerTreeHost::commitScrollOffset(uint32_t layerID, const WebCore::IntSize& offset) |
| { |
| m_coordinator.commitScrollOffset(layerID, offset); |
| } |
| |
| } // namespace WebKit |
| #endif // USE(COORDINATED_GRAPHICS) |