| /* |
| * 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. |
| */ |
| |
| #import "config.h" |
| #import "LayerTreeHostCAMac.h" |
| |
| #import "WebProcess.h" |
| #import <QuartzCore/CATransaction.h> |
| #import <WebCore/GraphicsLayer.h> |
| #import <WebKitSystemInterface.h> |
| |
| using namespace WebCore; |
| |
| @interface CATransaction (Details) |
| + (void)synchronize; |
| @end |
| |
| namespace WebKit { |
| |
| PassRefPtr<LayerTreeHostCAMac> LayerTreeHostCAMac::create(WebPage* webPage) |
| { |
| RefPtr<LayerTreeHostCAMac> host = adoptRef(new LayerTreeHostCAMac(webPage)); |
| host->initialize(); |
| return host.release(); |
| } |
| |
| LayerTreeHostCAMac::LayerTreeHostCAMac(WebPage* webPage) |
| : LayerTreeHostCA(webPage) |
| { |
| } |
| |
| LayerTreeHostCAMac::~LayerTreeHostCAMac() |
| { |
| ASSERT(!m_flushPendingLayerChangesRunLoopObserver); |
| ASSERT(!m_remoteLayerClient); |
| } |
| |
| void LayerTreeHostCAMac::platformInitialize(LayerTreeContext& layerTreeContext) |
| { |
| mach_port_t serverPort = WebProcess::shared().compositingRenderServerPort(); |
| m_remoteLayerClient = WKCARemoteLayerClientMakeWithServerPort(serverPort); |
| |
| WKCARemoteLayerClientSetLayer(m_remoteLayerClient.get(), rootLayer()->platformLayer()); |
| |
| layerTreeContext.contextID = WKCARemoteLayerClientGetClientId(m_remoteLayerClient.get()); |
| } |
| |
| void LayerTreeHostCAMac::scheduleLayerFlush() |
| { |
| CFRunLoopRef currentRunLoop = CFRunLoopGetCurrent(); |
| |
| // Make sure we wake up the loop or the observer could be delayed until some other source fires. |
| CFRunLoopWakeUp(currentRunLoop); |
| |
| if (m_flushPendingLayerChangesRunLoopObserver) |
| return; |
| |
| // Run before the Core Animation commit observer, which has order 2000000. |
| const CFIndex runLoopOrder = 2000000 - 1; |
| CFRunLoopObserverContext context = { 0, this, 0, 0, 0 }; |
| m_flushPendingLayerChangesRunLoopObserver.adoptCF(CFRunLoopObserverCreate(0, kCFRunLoopBeforeWaiting | kCFRunLoopExit, true, runLoopOrder, flushPendingLayerChangesRunLoopObserverCallback, &context)); |
| |
| CFRunLoopAddObserver(currentRunLoop, m_flushPendingLayerChangesRunLoopObserver.get(), kCFRunLoopCommonModes); |
| } |
| |
| void LayerTreeHostCAMac::invalidate() |
| { |
| if (m_flushPendingLayerChangesRunLoopObserver) { |
| CFRunLoopObserverInvalidate(m_flushPendingLayerChangesRunLoopObserver.get()); |
| m_flushPendingLayerChangesRunLoopObserver = nullptr; |
| } |
| |
| WKCARemoteLayerClientInvalidate(m_remoteLayerClient.get()); |
| m_remoteLayerClient = nullptr; |
| |
| LayerTreeHostCA::invalidate(); |
| } |
| |
| void LayerTreeHostCAMac::sizeDidChange(const IntSize& newSize) |
| { |
| LayerTreeHostCA::sizeDidChange(newSize); |
| [CATransaction flush]; |
| [CATransaction synchronize]; |
| } |
| |
| void LayerTreeHostCAMac::forceRepaint() |
| { |
| LayerTreeHostCA::forceRepaint(); |
| [CATransaction flush]; |
| [CATransaction synchronize]; |
| } |
| |
| void LayerTreeHostCAMac::pauseRendering() |
| { |
| CALayer* root = rootLayer()->platformLayer(); |
| [root setValue:(id)kCFBooleanTrue forKey:@"NSCAViewRenderPaused"]; |
| [[NSNotificationCenter defaultCenter] postNotificationName:@"NSCAViewRenderDidPauseNotification" object:nil userInfo:[NSDictionary dictionaryWithObject:root forKey:@"layer"]]; |
| } |
| |
| void LayerTreeHostCAMac::resumeRendering() |
| { |
| CALayer* root = rootLayer()->platformLayer(); |
| [root setValue:(id)kCFBooleanFalse forKey:@"NSCAViewRenderPaused"]; |
| [[NSNotificationCenter defaultCenter] postNotificationName:@"NSCAViewRenderDidResumeNotification" object:nil userInfo:[NSDictionary dictionaryWithObject:root forKey:@"layer"]]; |
| } |
| |
| void LayerTreeHostCAMac::flushPendingLayerChangesRunLoopObserverCallback(CFRunLoopObserverRef, CFRunLoopActivity, void* context) |
| { |
| // This gets called outside of the normal event loop so wrap in an autorelease pool |
| NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; |
| static_cast<LayerTreeHostCAMac*>(context)->performScheduledLayerFlush(); |
| [pool drain]; |
| } |
| |
| void LayerTreeHostCAMac::didPerformScheduledLayerFlush() |
| { |
| // We successfully flushed the pending layer changes, remove the run loop observer. |
| ASSERT(m_flushPendingLayerChangesRunLoopObserver); |
| CFRunLoopObserverInvalidate(m_flushPendingLayerChangesRunLoopObserver.get()); |
| m_flushPendingLayerChangesRunLoopObserver = 0; |
| |
| LayerTreeHostCA::didPerformScheduledLayerFlush(); |
| } |
| |
| } // namespace WebKit |