Don't enable speculative tiles immediately after main load stops progressing

[WebKit-https.git] / Source / WebCore / page / FrameView.h

diff --git a/Source/WebCore/page/FrameView.h b/Source/WebCore/page/FrameView.h
index 164673b..ce46655 100644 (file)
--- a/Source/WebCore/page/FrameView.h
+++ b/Source/WebCore/page/FrameView.h
@@ -269,6 +269,7 @@ public:
 
     void updateLayerFlushThrottlingInAllFrames();
     void adjustTiledBackingCoverage();
+    bool speculativeTilingEnabled() const { return m_speculativeTilingEnabled; }
 
 #if ENABLE(DASHBOARD_SUPPORT) || ENABLE(DRAGGABLE_REGION)
     void updateAnnotatedRegions();
@@ -557,6 +558,9 @@ private:
     void updateDeferredRepaintDelayAfterRepaint();
     double adjustedDeferredRepaintDelay() const;
 
+    void enableSpeculativeTilingIfNeeded();
+    void speculativeTilingEnableTimerFired(Timer<FrameView>&);
+
     bool updateEmbeddedObjects();
     void updateEmbeddedObject(RenderEmbeddedObject&);
     void scrollToAnchor();
@@ -664,6 +668,9 @@ private:
     // Renderer to hold our custom scroll corner.
     RenderPtr<RenderScrollbarPart> m_scrollCorner;
 
+    bool m_speculativeTilingEnabled;
+    Timer<FrameView> m_speculativeTilingEnableTimer;
+
 #if PLATFORM(IOS)
     bool m_useCustomFixedPositionLayoutRect;
     IntRect m_customFixedPositionLayoutRect;