compositor-worker: Initialize CW machinery plumbing to compositor and fire CW rAF callbacks.

third_party/WebKit/Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 2012 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 15 matching lines @@
  * 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 "web/WebViewImpl.h"
 
 #include "core/CSSValueKeywords.h"
 #include "core/HTMLNames.h"
 #include "core/InputTypeNames.h"
+#include "core/animation/CustomCompositorAnimationManager.h"
 #include "core/clipboard/DataObject.h"
 #include "core/dom/Document.h"
 #include "core/dom/Fullscreen.h"
 #include "core/dom/LayoutTreeBuilderTraversal.h"
 #include "core/dom/Text.h"
 #include "core/editing/EditingUtilities.h"
 #include "core/editing/Editor.h"
 #include "core/editing/FrameSelection.h"
 #include "core/editing/InputMethodController.h"
 #include "core/editing/iterators/TextIterator.h"
@@ skipping 53 matching lines @@
 #include "platform/ContextMenu.h"
 #include "platform/ContextMenuItem.h"
 #include "platform/Cursor.h"
 #include "platform/Histogram.h"
 #include "platform/KeyboardCodes.h"
 #include "platform/Logging.h"
 #include "platform/PlatformGestureEvent.h"
 #include "platform/PlatformKeyboardEvent.h"
 #include "platform/PlatformMouseEvent.h"
 #include "platform/RuntimeEnabledFeatures.h"
+#include "platform/ThreadSafeFunctional.h"
 #include "platform/TraceEvent.h"
 #include "platform/UserGestureIndicator.h"
+#include "platform/WaitableEvent.h"
 #include "platform/exported/WebActiveGestureAnimation.h"
 #include "platform/fonts/FontCache.h"
 #include "platform/graphics/Color.h"
 #include "platform/graphics/CompositorFactory.h"
+#include "platform/graphics/CompositorMutatorClient.h"
 #include "platform/graphics/FirstPaintInvalidationTracking.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/Image.h"
 #include "platform/graphics/ImageBuffer.h"
 #include "platform/graphics/gpu/DrawingBuffer.h"
 #include "platform/graphics/paint/DrawingRecorder.h"
 #include "platform/scroll/ScrollbarTheme.h"
 #include "platform/weborigin/SchemeRegistry.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebCompositeAndReadbackAsyncCallback.h"
@@ skipping 19 matching lines @@
 #include "public/web/WebMediaPlayerAction.h"
 #include "public/web/WebNode.h"
 #include "public/web/WebPlugin.h"
 #include "public/web/WebPluginAction.h"
 #include "public/web/WebRange.h"
 #include "public/web/WebSelection.h"
 #include "public/web/WebTextInputInfo.h"
 #include "public/web/WebViewClient.h"
 #include "public/web/WebWindowFeatures.h"
 #include "web/CompositionUnderlineVectorBuilder.h"
+#include "web/CompositorMutatorImpl.h"
+#include "web/CompositorProxyClientImpl.h"
 #include "web/ContextFeaturesClientImpl.h"
 #include "web/ContextMenuAllowedScope.h"
 #include "web/DatabaseClientImpl.h"
 #include "web/DedicatedWorkerGlobalScopeProxyProviderImpl.h"
 #include "web/DevToolsEmulator.h"
 #include "web/FullscreenController.h"
 #include "web/InspectorOverlay.h"
 #include "web/LinkHighlightImpl.h"
 #include "web/PageOverlay.h"
 #include "web/PrerendererClientImpl.h"
@@ skipping 153 matching lines @@
         if (DrawingRecorder::useCachedDrawingIfPossible(graphicsContext, pageOverlay, DisplayItem::PageOverlay))
             return;
         FloatRect rect(0, 0, size.width, size.height);
         DrawingRecorder drawingRecorder(graphicsContext, pageOverlay, DisplayItem::PageOverlay, rect);
         graphicsContext.fillRect(rect, m_color);
     }
 
     WebColor m_color;
 };
 
+void createCompositorMutatorClient(std::unique_ptr<CompositorMutatorClient>* ptr, WaitableEvent* doneEvent)
+{
+    CompositorMutatorImpl* mutator = CompositorMutatorImpl::create();
+    ptr->reset(new CompositorMutatorClient(mutator, mutator->animationManager()));
+    mutator->setClient(ptr->get());
+    doneEvent->signal();
+}
+
 } // namespace
 
 // WebView ----------------------------------------------------------------
 
 WebView* WebView::create(WebViewClient* client)
 {
     // Pass the WebViewImpl's self-reference to the caller.
     return WebViewImpl::create(client);
 }
 
@@ skipping 98 matching lines @@
     , m_fullscreenController(FullscreenController::create(this))
     , m_baseBackgroundColor(Color::white)
     , m_backgroundColorOverride(Color::transparent)
     , m_zoomFactorOverride(0)
     , m_userGestureObserved(false)
     , m_shouldDispatchFirstVisuallyNonEmptyLayout(false)
     , m_shouldDispatchFirstLayoutAfterFinishedParsing(false)
     , m_shouldDispatchFirstLayoutAfterFinishedLoading(false)
     , m_displayMode(WebDisplayModeBrowser)
     , m_elasticOverscroll(FloatSize())
+    , m_mutator(nullptr)
     , m_scheduler(adoptPtr(Platform::current()->currentThread()->scheduler()->createWebViewScheduler(this).release()))
     , m_lastFrameTimeMonotonic(0)
 {
     Page::PageClients pageClients;
     pageClients.chromeClient = m_chromeClientImpl.get();
     pageClients.contextMenuClient = &m_contextMenuClientImpl;
     pageClients.editorClient = &m_editorClientImpl;
     pageClients.spellCheckerClient = &m_spellCheckerClientImpl;
 
     m_page = Page::createOrdinary(pageClients);
@@ skipping 4022 matching lines @@
 void WebViewImpl::forceNextWebGLContextCreationToFail()
 {
     WebGLRenderingContext::forceNextWebGLContextCreationToFail();
 }
 
 void WebViewImpl::forceNextDrawingBufferCreationToFail()
 {
     DrawingBuffer::forceNextDrawingBufferCreationToFail();
 }
 
+CompositorProxyClient* WebViewImpl::createCompositorProxyClient()
+{
+    if (!m_mutator) {
+        std::unique_ptr<CompositorMutatorClient> mutatorClient;
+        WaitableEvent doneEvent;
+        if (WebThread* compositorThread = Platform::current()->compositorThread()) {
+            compositorThread->getWebTaskRunner()->postTask(BLINK_FROM_HERE, threadSafeBind(&createCompositorMutatorClient, AllowCrossThreadAccess(&mutatorClient), AllowCrossThreadAccess(&doneEvent)));
+        } else {
+            createCompositorMutatorClient(&mutatorClient, &doneEvent);
+        }
+        // TODO(flackr): Instead of waiting for this event, we may be able to just set the
+        // mutator on the CompositorProxyClient directly from the compositor thread before
+        // it gets used there. We still need to make sure we only create one mutator though.
+        doneEvent.wait();
+        m_mutator = static_cast<CompositorMutatorImpl*>(mutatorClient->mutator());
+        m_layerTreeView->setMutatorClient(std::move(mutatorClient));
+    }
+    return new CompositorProxyClientImpl(m_mutator);
+}
+
 void WebViewImpl::updatePageOverlays()
 {
     if (m_pageColorOverlay)
         m_pageColorOverlay->update();
     if (InspectorOverlay* overlay = inspectorOverlay()) {
         PageOverlay* inspectorPageOverlay = overlay->pageOverlay();
         if (inspectorPageOverlay)
             inspectorPageOverlay->update();
     }
 }
@@ skipping 32 matching lines @@
 {
     // TODO(oshima): Investigate if this should return the ScreenInfo's scale factor rather than
     // page's scale factor, which can be 1 in use-zoom-for-dsf mode.
     if (!page())
         return 1;
 
     return page()->deviceScaleFactor();
 }
 
 } // namespace blink