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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/168807">168807</a></dd>
<dt>Author</dt> <dd>lforschler@apple.com</dd>
<dt>Date</dt> <dd>2014-05-14 00:59:53 -0700 (Wed, 14 May 2014)</dd>
</dl>
<h3>Log Message</h3>
<pre>Merged <a href="http://trac.webkit.org/projects/webkit/changeset/168655">r168655</a>. </pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branchessafari53834branchSourceWebCoreChangeLog">branches/safari-538.34-branch/Source/WebCore/ChangeLog</a></li>
<li><a href="#branchessafari53834branchSourceWebCorepagescrollingAsyncScrollingCoordinatorcpp">branches/safari-538.34-branch/Source/WebCore/page/scrolling/AsyncScrollingCoordinator.cpp</a></li>
<li><a href="#branchessafari53834branchSourceWebCorepagescrollingScrollingCoordinatorcpp">branches/safari-538.34-branch/Source/WebCore/page/scrolling/ScrollingCoordinator.cpp</a></li>
<li><a href="#branchessafari53834branchSourceWebCorepagescrollingScrollingCoordinatorh">branches/safari-538.34-branch/Source/WebCore/page/scrolling/ScrollingCoordinator.h</a></li>
<li><a href="#branchessafari53834branchSourceWebCorepagescrollingScrollingStateScrollingNodecpp">branches/safari-538.34-branch/Source/WebCore/page/scrolling/ScrollingStateScrollingNode.cpp</a></li>
<li><a href="#branchessafari53834branchSourceWebCorepagescrollingScrollingStateScrollingNodeh">branches/safari-538.34-branch/Source/WebCore/page/scrolling/ScrollingStateScrollingNode.h</a></li>
<li><a href="#branchessafari53834branchSourceWebCorepagescrollingmacScrollingTreeScrollingNodeMach">branches/safari-538.34-branch/Source/WebCore/page/scrolling/mac/ScrollingTreeScrollingNodeMac.h</a></li>
<li><a href="#branchessafari53834branchSourceWebCorepagescrollingmacScrollingTreeScrollingNodeMacmm">branches/safari-538.34-branch/Source/WebCore/page/scrolling/mac/ScrollingTreeScrollingNodeMac.mm</a></li>
<li><a href="#branchessafari53834branchSourceWebCorerenderingRenderLayerCompositorcpp">branches/safari-538.34-branch/Source/WebCore/rendering/RenderLayerCompositor.cpp</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="branchessafari53834branchSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: branches/safari-538.34-branch/Source/WebCore/ChangeLog (168806 => 168807)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-538.34-branch/Source/WebCore/ChangeLog 2014-05-14 07:56:36 UTC (rev 168806)
+++ branches/safari-538.34-branch/Source/WebCore/ChangeLog 2014-05-14 07:59:53 UTC (rev 168807)
</span><span class="lines">@@ -1,5 +1,50 @@
</span><span class="cx"> 2014-05-14 Lucas Forschler <lforschler@apple.com>
</span><span class="cx">
</span><ins>+ Merge r168655
+
+ 2014-05-12 Beth Dakin <bdakin@apple.com>
+
+ Content shadow layer needs to move in sync with the content layer
+ https://bugs.webkit.org/show_bug.cgi?id=132841
+ -and corresponding-
+ <rdar://problem/16641115>
+
+ Reviewed by Simon Fraser.
+
+ Now that the root content layer moves a little bit (for y scroll positions between
+ 0 and topContentInset), the shadow layer needs to move along with it since the
+ shadow layer should always have the same position as the root content layer.
+
+ Set the root state node’s shadow layer, and update the position whenever the root
+ content layer’s position is updated.
+ * page/scrolling/AsyncScrollingCoordinator.cpp:
+ (WebCore::AsyncScrollingCoordinator::frameViewRootLayerDidChange):
+ (WebCore::AsyncScrollingCoordinator::updateScrollPositionAfterAsyncScroll):
+
+ Fetch the compositor’s layerForContentShadow().
+ * page/scrolling/ScrollingCoordinator.cpp:
+ (WebCore::ScrollingCoordinator::contentShadowLayerForFrameView):
+ * page/scrolling/ScrollingCoordinator.h:
+
+ Hook up the contentShadowLayer in the state node.
+ * page/scrolling/ScrollingStateScrollingNode.cpp:
+ (WebCore::ScrollingStateScrollingNode::ScrollingStateScrollingNode):
+ (WebCore::ScrollingStateScrollingNode::setContentShadowLayer):
+
+ Hook it up in the ScrollingTreeNode as well. Move the layer whenever the m
+ _scrolledContentsLayer is moved.
+ * page/scrolling/ScrollingStateScrollingNode.h:
+ * page/scrolling/mac/ScrollingTreeScrollingNodeMac.h:
+ * page/scrolling/mac/ScrollingTreeScrollingNodeMac.mm:
+ (WebCore::ScrollingTreeScrollingNodeMac::updateBeforeChildren):
+ (WebCore::ScrollingTreeScrollingNodeMac::setScrollLayerPosition):
+
+ The shadow layer needs an anchor point now that we are moving it around.
+ * rendering/RenderLayerCompositor.cpp:
+ (WebCore::RenderLayerCompositor::updateOverflowControlsLayers):
+
+2014-05-14 Lucas Forschler <lforschler@apple.com>
+
</ins><span class="cx"> Merge r168643
</span><span class="cx">
</span><span class="cx"> 2014-05-12 Beth Dakin <bdakin@apple.com>
</span></span></pre></div>
<a id="branchessafari53834branchSourceWebCorepagescrollingAsyncScrollingCoordinatorcpp"></a>
<div class="modfile"><h4>Modified: branches/safari-538.34-branch/Source/WebCore/page/scrolling/AsyncScrollingCoordinator.cpp (168806 => 168807)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-538.34-branch/Source/WebCore/page/scrolling/AsyncScrollingCoordinator.cpp 2014-05-14 07:56:36 UTC (rev 168806)
+++ branches/safari-538.34-branch/Source/WebCore/page/scrolling/AsyncScrollingCoordinator.cpp 2014-05-14 07:59:53 UTC (rev 168807)
</span><span class="lines">@@ -135,6 +135,7 @@
</span><span class="cx"> node->setLayer(scrollLayerForFrameView(frameView));
</span><span class="cx"> node->setCounterScrollingLayer(counterScrollingLayerForFrameView(frameView));
</span><span class="cx"> node->setInsetClipLayer(insetClipLayerForFrameView(frameView));
</span><ins>+ node->setContentShadowLayer(contentShadowLayerForFrameView(frameView));
</ins><span class="cx"> node->setHeaderLayer(headerLayerForFrameView(frameView));
</span><span class="cx"> node->setFooterLayer(footerLayerForFrameView(frameView));
</span><span class="cx"> node->setScrollBehaviorForFixedElements(frameView->scrollBehaviorForFixedElements());
</span><span class="lines">@@ -215,6 +216,7 @@
</span><span class="cx"> if (GraphicsLayer* scrollLayer = scrollLayerForFrameView(frameView)) {
</span><span class="cx"> GraphicsLayer* counterScrollingLayer = counterScrollingLayerForFrameView(frameView);
</span><span class="cx"> GraphicsLayer* insetClipLayer = insetClipLayerForFrameView(frameView);
</span><ins>+ GraphicsLayer* contentShadowLayer = contentShadowLayerForFrameView(frameView);
</ins><span class="cx"> GraphicsLayer* scrolledContentsLayer = rootContentLayerForFrameView(frameView);
</span><span class="cx"> GraphicsLayer* headerLayer = headerLayerForFrameView(frameView);
</span><span class="cx"> GraphicsLayer* footerLayer = footerLayerForFrameView(frameView);
</span><span class="lines">@@ -234,6 +236,8 @@
</span><span class="cx"> counterScrollingLayer->setPosition(toLayoutPoint(scrollOffsetForFixed));
</span><span class="cx"> if (insetClipLayer)
</span><span class="cx"> insetClipLayer->setPosition(positionForInsetClipLayer);
</span><ins>+ if (contentShadowLayer)
+ contentShadowLayer->setPosition(positionForContentsLayer);
</ins><span class="cx"> if (scrolledContentsLayer)
</span><span class="cx"> scrolledContentsLayer->setPosition(positionForContentsLayer);
</span><span class="cx"> if (headerLayer)
</span><span class="lines">@@ -246,6 +250,8 @@
</span><span class="cx"> counterScrollingLayer->syncPosition(toLayoutPoint(scrollOffsetForFixed));
</span><span class="cx"> if (insetClipLayer)
</span><span class="cx"> insetClipLayer->syncPosition(positionForInsetClipLayer);
</span><ins>+ if (contentShadowLayer)
+ contentShadowLayer->syncPosition(positionForContentsLayer);
</ins><span class="cx"> if (scrolledContentsLayer)
</span><span class="cx"> scrolledContentsLayer->syncPosition(positionForContentsLayer);
</span><span class="cx"> if (headerLayer)
</span></span></pre></div>
<a id="branchessafari53834branchSourceWebCorepagescrollingScrollingCoordinatorcpp"></a>
<div class="modfile"><h4>Modified: branches/safari-538.34-branch/Source/WebCore/page/scrolling/ScrollingCoordinator.cpp (168806 => 168807)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-538.34-branch/Source/WebCore/page/scrolling/ScrollingCoordinator.cpp 2014-05-14 07:56:36 UTC (rev 168806)
+++ branches/safari-538.34-branch/Source/WebCore/page/scrolling/ScrollingCoordinator.cpp 2014-05-14 07:59:53 UTC (rev 168807)
</span><span class="lines">@@ -255,6 +255,13 @@
</span><span class="cx"> return nullptr;
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+GraphicsLayer* ScrollingCoordinator::contentShadowLayerForFrameView(FrameView* frameView)
+{
+ if (RenderView* renderView = frameView->frame().contentRenderer())
+ return renderView->compositor().layerForContentShadow();
+ return nullptr;
+}
+
</ins><span class="cx"> GraphicsLayer* ScrollingCoordinator::rootContentLayerForFrameView(FrameView* frameView)
</span><span class="cx"> {
</span><span class="cx"> if (RenderView* renderView = frameView->frame().contentRenderer())
</span></span></pre></div>
<a id="branchessafari53834branchSourceWebCorepagescrollingScrollingCoordinatorh"></a>
<div class="modfile"><h4>Modified: branches/safari-538.34-branch/Source/WebCore/page/scrolling/ScrollingCoordinator.h (168806 => 168807)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-538.34-branch/Source/WebCore/page/scrolling/ScrollingCoordinator.h 2014-05-14 07:56:36 UTC (rev 168806)
+++ branches/safari-538.34-branch/Source/WebCore/page/scrolling/ScrollingCoordinator.h 2014-05-14 07:59:53 UTC (rev 168807)
</span><span class="lines">@@ -205,6 +205,7 @@
</span><span class="cx"> GraphicsLayer* counterScrollingLayerForFrameView(FrameView*);
</span><span class="cx"> GraphicsLayer* insetClipLayerForFrameView(FrameView*);
</span><span class="cx"> GraphicsLayer* rootContentLayerForFrameView(FrameView*);
</span><ins>+ GraphicsLayer* contentShadowLayerForFrameView(FrameView*);
</ins><span class="cx"> GraphicsLayer* headerLayerForFrameView(FrameView*);
</span><span class="cx"> GraphicsLayer* footerLayerForFrameView(FrameView*);
</span><span class="cx">
</span></span></pre></div>
<a id="branchessafari53834branchSourceWebCorepagescrollingScrollingStateScrollingNodecpp"></a>
<div class="modfile"><h4>Modified: branches/safari-538.34-branch/Source/WebCore/page/scrolling/ScrollingStateScrollingNode.cpp (168806 => 168807)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-538.34-branch/Source/WebCore/page/scrolling/ScrollingStateScrollingNode.cpp 2014-05-14 07:56:36 UTC (rev 168806)
+++ branches/safari-538.34-branch/Source/WebCore/page/scrolling/ScrollingStateScrollingNode.cpp 2014-05-14 07:59:53 UTC (rev 168807)
</span><span class="lines">@@ -87,6 +87,9 @@
</span><span class="cx"> if (hasChangedProperty(InsetClipLayer))
</span><span class="cx"> setInsetClipLayer(stateNode.insetClipLayer().toRepresentation(adoptiveTree.preferredLayerRepresentation()));
</span><span class="cx">
</span><ins>+ if (hasChangedProperty(ContentShadowLayer))
+ setContentShadowLayer(stateNode.contentShadowLayer().toRepresentation(adoptiveTree.preferredLayerRepresentation()));
+
</ins><span class="cx"> if (hasChangedProperty(HeaderLayer))
</span><span class="cx"> setHeaderLayer(stateNode.headerLayer().toRepresentation(adoptiveTree.preferredLayerRepresentation()));
</span><span class="cx">
</span><span class="lines">@@ -255,6 +258,15 @@
</span><span class="cx"> setPropertyChanged(InsetClipLayer);
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+void ScrollingStateScrollingNode::setContentShadowLayer(const LayerRepresentation& layerRepresentation)
+{
+ if (layerRepresentation == m_contentShadowLayer)
+ return;
+
+ m_contentShadowLayer = layerRepresentation;
+ setPropertyChanged(ContentShadowLayer);
+}
+
</ins><span class="cx"> void ScrollingStateScrollingNode::setHeaderLayer(const LayerRepresentation& layerRepresentation)
</span><span class="cx"> {
</span><span class="cx"> if (layerRepresentation == m_headerLayer)
</span></span></pre></div>
<a id="branchessafari53834branchSourceWebCorepagescrollingScrollingStateScrollingNodeh"></a>
<div class="modfile"><h4>Modified: branches/safari-538.34-branch/Source/WebCore/page/scrolling/ScrollingStateScrollingNode.h (168806 => 168807)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-538.34-branch/Source/WebCore/page/scrolling/ScrollingStateScrollingNode.h 2014-05-14 07:56:36 UTC (rev 168806)
+++ branches/safari-538.34-branch/Source/WebCore/page/scrolling/ScrollingStateScrollingNode.h 2014-05-14 07:59:53 UTC (rev 168807)
</span><span class="lines">@@ -63,6 +63,7 @@
</span><span class="cx"> ScrolledContentsLayer,
</span><span class="cx"> CounterScrollingLayer,
</span><span class="cx"> InsetClipLayer,
</span><ins>+ ContentShadowLayer,
</ins><span class="cx"> HeaderHeight,
</span><span class="cx"> FooterHeight,
</span><span class="cx"> HeaderLayer,
</span><span class="lines">@@ -130,6 +131,9 @@
</span><span class="cx"> const LayerRepresentation& insetClipLayer() const { return m_insetClipLayer; }
</span><span class="cx"> void setInsetClipLayer(const LayerRepresentation&);
</span><span class="cx">
</span><ins>+ const LayerRepresentation& contentShadowLayer() const { return m_contentShadowLayer; }
+ void setContentShadowLayer(const LayerRepresentation&);
+
</ins><span class="cx"> // The header and footer layers scroll vertically with the page, they should remain fixed when scrolling horizontally.
</span><span class="cx"> const LayerRepresentation& headerLayer() const { return m_headerLayer; }
</span><span class="cx"> void setHeaderLayer(const LayerRepresentation&);
</span><span class="lines">@@ -153,6 +157,7 @@
</span><span class="cx"> LayerRepresentation m_scrolledContentsLayer;
</span><span class="cx"> LayerRepresentation m_counterScrollingLayer;
</span><span class="cx"> LayerRepresentation m_insetClipLayer;
</span><ins>+ LayerRepresentation m_contentShadowLayer;
</ins><span class="cx"> LayerRepresentation m_headerLayer;
</span><span class="cx"> LayerRepresentation m_footerLayer;
</span><span class="cx">
</span></span></pre></div>
<a id="branchessafari53834branchSourceWebCorepagescrollingmacScrollingTreeScrollingNodeMach"></a>
<div class="modfile"><h4>Modified: branches/safari-538.34-branch/Source/WebCore/page/scrolling/mac/ScrollingTreeScrollingNodeMac.h (168806 => 168807)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-538.34-branch/Source/WebCore/page/scrolling/mac/ScrollingTreeScrollingNodeMac.h 2014-05-14 07:56:36 UTC (rev 168806)
+++ branches/safari-538.34-branch/Source/WebCore/page/scrolling/mac/ScrollingTreeScrollingNodeMac.h 2014-05-14 07:59:53 UTC (rev 168807)
</span><span class="lines">@@ -90,6 +90,7 @@
</span><span class="cx"> RetainPtr<CALayer> m_scrolledContentsLayer;
</span><span class="cx"> RetainPtr<CALayer> m_counterScrollingLayer;
</span><span class="cx"> RetainPtr<CALayer> m_insetClipLayer;
</span><ins>+ RetainPtr<CALayer> m_contentShadowLayer;
</ins><span class="cx"> RetainPtr<CALayer> m_headerLayer;
</span><span class="cx"> RetainPtr<CALayer> m_footerLayer;
</span><span class="cx"> RetainPtr<ScrollbarPainter> m_verticalScrollbarPainter;
</span></span></pre></div>
<a id="branchessafari53834branchSourceWebCorepagescrollingmacScrollingTreeScrollingNodeMacmm"></a>
<div class="modfile"><h4>Modified: branches/safari-538.34-branch/Source/WebCore/page/scrolling/mac/ScrollingTreeScrollingNodeMac.mm (168806 => 168807)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-538.34-branch/Source/WebCore/page/scrolling/mac/ScrollingTreeScrollingNodeMac.mm 2014-05-14 07:56:36 UTC (rev 168806)
+++ branches/safari-538.34-branch/Source/WebCore/page/scrolling/mac/ScrollingTreeScrollingNodeMac.mm 2014-05-14 07:59:53 UTC (rev 168807)
</span><span class="lines">@@ -87,6 +87,9 @@
</span><span class="cx"> if (scrollingStateNode.hasChangedProperty(ScrollingStateScrollingNode::InsetClipLayer))
</span><span class="cx"> m_insetClipLayer = scrollingStateNode.insetClipLayer();
</span><span class="cx">
</span><ins>+ if (scrollingStateNode.hasChangedProperty(ScrollingStateScrollingNode::ContentShadowLayer))
+ m_contentShadowLayer = scrollingStateNode.contentShadowLayer();
+
</ins><span class="cx"> if (scrollingStateNode.hasChangedProperty(ScrollingStateScrollingNode::HeaderLayer))
</span><span class="cx"> m_headerLayer = scrollingStateNode.headerLayer();
</span><span class="cx">
</span><span class="lines">@@ -360,6 +363,8 @@
</span><span class="cx"> m_insetClipLayer.get().position = FloatPoint(0, FrameView::yPositionForInsetClipLayer(position, topContentInset));
</span><span class="cx"> m_scrolledContentsLayer.get().position = FloatPoint(m_scrolledContentsLayer.get().position.x,
</span><span class="cx"> FrameView::yPositionForRootContentLayer(position, topContentInset, headerHeight()));
</span><ins>+ if (m_contentShadowLayer)
+ m_contentShadowLayer.get().position = m_scrolledContentsLayer.get().position;
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> if (m_headerLayer || m_footerLayer) {
</span></span></pre></div>
<a id="branchessafari53834branchSourceWebCorerenderingRenderLayerCompositorcpp"></a>
<div class="modfile"><h4>Modified: branches/safari-538.34-branch/Source/WebCore/rendering/RenderLayerCompositor.cpp (168806 => 168807)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-538.34-branch/Source/WebCore/rendering/RenderLayerCompositor.cpp 2014-05-14 07:56:36 UTC (rev 168806)
+++ branches/safari-538.34-branch/Source/WebCore/rendering/RenderLayerCompositor.cpp 2014-05-14 07:59:53 UTC (rev 168807)
</span><span class="lines">@@ -3102,6 +3102,7 @@
</span><span class="cx"> #endif
</span><span class="cx"> m_contentShadowLayer->setSize(m_rootContentLayer->size());
</span><span class="cx"> m_contentShadowLayer->setPosition(m_rootContentLayer->position());
</span><ins>+ m_contentShadowLayer->setAnchorPoint(FloatPoint3D());
</ins><span class="cx"> m_contentShadowLayer->setCustomAppearance(GraphicsLayer::ScrollingShadow);
</span><span class="cx">
</span><span class="cx"> m_scrollLayer->addChildBelow(m_contentShadowLayer.get(), m_rootContentLayer.get());
</span></span></pre>
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