1 files changed, 44 insertions, 1 deletions
diff --git a/src/3rdparty/webkit/WebKit/qt/Api/qwebpage.cpp b/src/3rdparty/webkit/WebKit/qt/Api/qwebpage.cpp
index 8c7b93d..4460ad3 100644
--- a/src/3rdparty/webkit/WebKit/qt/Api/qwebpage.cpp
+++ b/src/3rdparty/webkit/WebKit/qt/Api/qwebpage.cpp
@@ -1371,6 +1371,14 @@ void QWebPagePrivate::inputMethodEvent(QInputMethodEvent *ev)
 }
 
 #ifndef QT_NO_PROPERTIES
+typedef struct {
+    const char* name;
+    double deferredRepaintDelay;
+    double initialDeferredRepaintDelayDuringLoading;
+    double maxDeferredRepaintDelayDuringLoading;
+    double deferredRepaintDelayIncrementDuringLoading;
+} QRepaintThrottlingPreset;
+
 void QWebPagePrivate::dynamicPropertyChangeEvent(QDynamicPropertyChangeEvent* event)
 {
     if (event->propertyName() == "_q_viewMode") {
@@ -1388,7 +1396,42 @@ void QWebPagePrivate::dynamicPropertyChangeEvent(QDynamicPropertyChangeEvent* ev
     } else if (event->propertyName() == "_q_HTMLTokenizerTimeDelay") {
         double timeDelay = q->property("_q_HTMLTokenizerTimeDelay").toDouble();
         q->handle()->page->setCustomHTMLTokenizerTimeDelay(timeDelay);
-    } 
+    } else if (event->propertyName() == "_q_RepaintThrottlingDeferredRepaintDelay") {
+        double p = q->property("_q_RepaintThrottlingDeferredRepaintDelay").toDouble();
+        FrameView::setRepaintThrottlingDeferredRepaintDelay(p);
+    } else if (event->propertyName() == "_q_RepaintThrottlingnInitialDeferredRepaintDelayDuringLoading") {
+        double p = q->property("_q_RepaintThrottlingnInitialDeferredRepaintDelayDuringLoading").toDouble();
+        FrameView::setRepaintThrottlingnInitialDeferredRepaintDelayDuringLoading(p);
+    } else if (event->propertyName() == "_q_RepaintThrottlingMaxDeferredRepaintDelayDuringLoading") {
+        double p = q->property("_q_RepaintThrottlingMaxDeferredRepaintDelayDuringLoading").toDouble();
+        FrameView::setRepaintThrottlingMaxDeferredRepaintDelayDuringLoading(p);
+    } else if (event->propertyName() == "_q_RepaintThrottlingDeferredRepaintDelayIncrementDuringLoading") {
+        double p = q->property("_q_RepaintThrottlingDeferredRepaintDelayIncrementDuringLoading").toDouble();
+        FrameView::setRepaintThrottlingDeferredRepaintDelayIncrementDuringLoading(p);
+    } else if (event->propertyName() == "_q_RepaintThrottlingPreset") {
+        static const QRepaintThrottlingPreset presets[] = {
+            {   "NoThrottling",     0,      0,      0,      0 },
+            {   "Legacy",       0.025,      0,    2.5,    0.5 },
+            {   "Minimal",       0.01,      0,      1,    0.2 },
+            {   "Medium",       0.025,      1,      5,    0.5 },
+            {   "Heavy",          0.1,      2,     10,      1 }
+        };
+
+        QString p = q->property("_q_RepaintThrottlingPreset").toString();
+        for(int i = 0; i < sizeof(presets) / sizeof(presets[0]); i++) {
+            if(p == presets[i].name) {
+                FrameView::setRepaintThrottlingDeferredRepaintDelay(
+                        presets[i].deferredRepaintDelay);
+                FrameView::setRepaintThrottlingnInitialDeferredRepaintDelayDuringLoading(
+                        presets[i].initialDeferredRepaintDelayDuringLoading);
+                FrameView::setRepaintThrottlingMaxDeferredRepaintDelayDuringLoading(
+                        presets[i].maxDeferredRepaintDelayDuringLoading);
+                FrameView::setRepaintThrottlingDeferredRepaintDelayIncrementDuringLoading(
+                        presets[i].deferredRepaintDelayIncrementDuringLoading);
+                break;
+            }
+        }
+    }
 #if ENABLE(TILED_BACKING_STORE)
     else if (event->propertyName() == "_q_TiledBackingStoreTileSize") {
         WebCore::Frame* frame = QWebFramePrivate::core(q->mainFrame());