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diff --git a/Source/WebKit2/WebProcess/WebPage/mac/LayerBackedDrawingAreaMac.mm b/Source/WebKit2/WebProcess/WebPage/mac/LayerBackedDrawingAreaMac.mm
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-/*
- * Copyright (C) 2010 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.
- */
-
-#import "config.h"
-#import "LayerBackedDrawingArea.h"
-
-#if USE(ACCELERATED_COMPOSITING)
-
-#import "DrawingAreaProxyMessageKinds.h"
-#import "WebKitSystemInterface.h"
-#import "WebPage.h"
-#import "WebProcess.h"
-#import <WebCore/Frame.h>
-#import <WebCore/FrameView.h>
-#import <WebCore/GraphicsLayer.h>
-#import <WebCore/Page.h>
-
-using namespace WebCore;
-
-namespace WebKit {
-
-void LayerBackedDrawingArea::platformInit()
-{
- setUpUpdateLayoutRunLoopObserver();
-
- [m_hostingLayer->platformLayer() setGeometryFlipped:YES];
-#if HAVE(HOSTED_CORE_ANIMATION)
- attachCompositingContext();
-#endif
-
- scheduleCompositingLayerSync();
-}
-
-void LayerBackedDrawingArea::platformClear()
-{
- if (!m_attached)
- return;
-
- if (m_updateLayoutRunLoopObserver) {
- CFRunLoopObserverInvalidate(m_updateLayoutRunLoopObserver.get());
- m_updateLayoutRunLoopObserver = 0;
- }
-
-#if HAVE(HOSTED_CORE_ANIMATION)
- WKCARemoteLayerClientInvalidate(m_remoteLayerRef.get());
- m_remoteLayerRef = nullptr;
-#endif
-
- m_attached = false;
-}
-
-void LayerBackedDrawingArea::attachCompositingContext()
-{
- if (m_attached)
- return;
-
- m_attached = true;
-
-#if HAVE(HOSTED_CORE_ANIMATION)
- mach_port_t serverPort = WebProcess::shared().compositingRenderServerPort();
- m_remoteLayerRef = WKCARemoteLayerClientMakeWithServerPort(serverPort);
- WKCARemoteLayerClientSetLayer(m_remoteLayerRef.get(), m_hostingLayer->platformLayer());
-
- uint32_t contextID = WKCARemoteLayerClientGetClientId(m_remoteLayerRef.get());
- WebProcess::shared().connection()->deprecatedSendSync(DrawingAreaProxyLegacyMessage::AttachCompositingContext, m_webPage->pageID(), CoreIPC::In(contextID), CoreIPC::Out());
-#endif
-}
-
-void LayerBackedDrawingArea::detachCompositingContext()
-{
- m_backingLayer->removeAllChildren();
-
- scheduleCompositingLayerSync();
-}
-
-void LayerBackedDrawingArea::setRootCompositingLayer(WebCore::GraphicsLayer* layer)
-{
- m_backingLayer->removeAllChildren();
- if (layer)
- m_backingLayer->addChild(layer);
-
- scheduleCompositingLayerSync();
-}
-
-void LayerBackedDrawingArea::scheduleCompositingLayerSync()
-{
-// if (m_syncTimer.isActive())
-// return;
-//
-// m_syncTimer.startOneShot(0);
-
- scheduleUpdateLayoutRunLoopObserver();
-}
-
-void LayerBackedDrawingArea::syncCompositingLayers()
-{
- m_hostingLayer->syncCompositingStateForThisLayerOnly();
- m_backingLayer->syncCompositingStateForThisLayerOnly();
-
- bool didSync = m_webPage->corePage()->mainFrame()->view()->syncCompositingStateIncludingSubframes();
- if (!didSync) {
-
- }
-}
-
-void LayerBackedDrawingArea::setUpUpdateLayoutRunLoopObserver()
-{
- if (m_updateLayoutRunLoopObserver)
- return;
-
- // Run before Core Animations commit observer, which has order 2000000.
- const CFIndex runLoopOrder = 2000000 - 1;
- CFRunLoopObserverContext context = { 0, this, 0, 0, 0 };
- m_updateLayoutRunLoopObserver.adoptCF(CFRunLoopObserverCreate(0,
- kCFRunLoopBeforeWaiting | kCFRunLoopExit, true /* repeats */,
- runLoopOrder, updateLayoutRunLoopObserverCallback, &context));
-}
-
-void LayerBackedDrawingArea::scheduleUpdateLayoutRunLoopObserver()
-{
- CFRunLoopRef currentRunLoop = CFRunLoopGetCurrent();
- CFRunLoopWakeUp(currentRunLoop);
-
- if (CFRunLoopContainsObserver(currentRunLoop, m_updateLayoutRunLoopObserver.get(), kCFRunLoopCommonModes))
- return;
-
- CFRunLoopAddObserver(currentRunLoop, m_updateLayoutRunLoopObserver.get(), kCFRunLoopCommonModes);
-}
-
-void LayerBackedDrawingArea::removeUpdateLayoutRunLoopObserver()
-{
- // FIXME: cache the run loop ref?
- CFRunLoopRemoveObserver(CFRunLoopGetCurrent(), m_updateLayoutRunLoopObserver.get(), kCFRunLoopCommonModes);
-}
-
-void LayerBackedDrawingArea::updateLayoutRunLoopObserverCallback(CFRunLoopObserverRef, CFRunLoopActivity, void* info)
-{
- // Keep the drawing area alive while running the callback, since that does layout,
- // which might replace this drawing area with one of another type.
- RefPtr<LayerBackedDrawingArea> drawingArea = reinterpret_cast<LayerBackedDrawingArea*>(info);
- drawingArea->updateLayoutRunLoopObserverFired();
-}
-
-void LayerBackedDrawingArea::updateLayoutRunLoopObserverFired()
-{
- // Laying out the page can cause the drawing area to change so we keep an extra reference.
- RefPtr<LayerBackedDrawingArea> protect(this);
-
- m_webPage->layoutIfNeeded();
-
- if (m_webPage->drawingArea() != this)
- return;
-
- if (m_attached)
- syncCompositingLayers();
-}
-
-void LayerBackedDrawingArea::onPageClose()
-{
- platformClear();
-}
-
-} // namespace WebKit
-
-#endif // USE(ACCELERATED_COMPOSITING)