[WK2] Use fixed scale to animation layer.

[Title] [WK2] Use fixed scale to animation layer.
[Issue#] P130426-4323
[Problem] while pulling the list, the list page is blurred in mobile twitter page.
[Cause] small zoom scale is applied to an animation layer
[Solution] if the layer is an animation layer, use fixed zoom scale.

Change-Id: Ia7c6cd78a1e8c9a2f73516dec913c22131714296

diff --git a/Source/WTF/wtf/Platform.h b/Source/WTF/wtf/Platform.h
index cf15c11..baf08f0 100644 (file)
--- a/Source/WTF/wtf/Platform.h
+++ b/Source/WTF/wtf/Platform.h
@@ -590,6 +590,7 @@
 #define ENABLE_TIZEN_PREVENT_CRASH_OF_UI_SIDE_ANIMATION 1 /* Hurnjoo Lee(hurnjoo.lee@samsung.com) : Prevent crashes of UI side animation */
 #define ENABLE_TIZEN_WEBKIT2_PRE_RENDERING_WITH_DIRECTIVITY 1 /*JungJik Lee(jungjik.lee@samsung.com : Calculates cover-rect with trajectory vector scalar value to consider directivity. */
 #define ENABLE_TIZEN_CSS_OVERFLOW_CLIPPING_BACKING_STORE 0 /* JungJik Lee(jungjik.lee@samsung.com) : Clipping BackingStore off if parent layer is css overflow hidden */
+#define ENABLE_TIZEN_USE_FIXED_SCALE_ANIMATION 1 /* JungJik Lee(jungjik.lee@samsung.com) : use fixed scale if the layer is animating */
 #if ENABLE(TIZEN_RUNTIME_BACKEND_SELECTION)
 #define TIZEN_VIRTUAL virtual
 #else

diff --git a/Source/WebKit2/WebProcess/WebPage/LayerTreeCoordinator/WebGraphicsLayer.cpp b/Source/WebKit2/WebProcess/WebPage/LayerTreeCoordinator/WebGraphicsLayer.cpp
index 9cb8f25..33669b3 100755 (executable)
--- a/Source/WebKit2/WebProcess/WebPage/LayerTreeCoordinator/WebGraphicsLayer.cpp
+++ b/Source/WebKit2/WebProcess/WebPage/LayerTreeCoordinator/WebGraphicsLayer.cpp
@@ -125,6 +125,9 @@ WebGraphicsLayer::WebGraphicsLayer(GraphicsLayerClient* client)
 #endif
     , m_webGraphicsLayerClient(0)
     , m_contentsScale(1)
+#if ENABLE(TIZEN_USE_FIXED_SCALE_ANIMATION)
+    , m_fixedAnimationScale(1)
+#endif
     , m_canvasPlatformLayer(0)
     , m_animationStartedTimer(this, &WebGraphicsLayer::animationStartedTimerFired)
 #if ENABLE(TIZEN_CSS_OVERFLOW_SCROLL_SCROLLBAR)
@@ -685,12 +688,22 @@ void WebGraphicsLayer::setVisibleContentRectTrajectoryVector(const FloatPoint& t
 
 void WebGraphicsLayer::setContentsScale(float scale)
 {
+#if ENABLE(TIZEN_USE_FIXED_SCALE_ANIMATION)
+    if (!m_animations.hasActiveAnimationsOfType(AnimatedPropertyWebkitTransform))
+        m_fixedAnimationScale = scale;
+#endif
+
     m_contentsScale = scale;
     adjustContentsScale();
 }
 
 float WebGraphicsLayer::effectiveContentsScale()
 {
+#if ENABLE(TIZEN_USE_FIXED_SCALE_ANIMATION)
+    if (m_animations.hasActiveAnimationsOfType(AnimatedPropertyWebkitTransform))
+        return m_fixedAnimationScale;
+#endif
+
     return selfOrAncestorHaveNonAffineTransforms() ? 1 : m_contentsScale;
 }
 

diff --git a/Source/WebKit2/WebProcess/WebPage/LayerTreeCoordinator/WebGraphicsLayer.h b/Source/WebKit2/WebProcess/WebPage/LayerTreeCoordinator/WebGraphicsLayer.h
index 044468c..172529b 100755 (executable)
--- a/Source/WebKit2/WebProcess/WebPage/LayerTreeCoordinator/WebGraphicsLayer.h
+++ b/Source/WebKit2/WebProcess/WebPage/LayerTreeCoordinator/WebGraphicsLayer.h
@@ -288,6 +288,9 @@ private:
     OwnPtr<WebCore::TiledBackingStore> m_mainBackingStore;
     OwnPtr<WebCore::TiledBackingStore> m_previousBackingStore;
     float m_contentsScale;
+#if ENABLE(TIZEN_USE_FIXED_SCALE_ANIMATION)
+    float m_fixedAnimationScale;
+#endif
 
 #if ENABLE(TIZEN_CSS_OVERFLOW_SCROLL_ACCELERATION)
     IntRect m_visibleRect;