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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/200475">200475</a></dd>
<dt>Author</dt> <dd>bshafiei@apple.com</dd>
<dt>Date</dt> <dd>2016-05-05 13:40:01 -0700 (Thu, 05 May 2016)</dd>
</dl>
<h3>Log Message</h3>
<pre>Merged <a href="http://trac.webkit.org/projects/webkit/changeset/200470">r200470</a>. rdar://problem/26116763</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#tagsSafari602131SourceWebCoreChangeLog">tags/Safari-602.1.31/Source/WebCore/ChangeLog</a></li>
<li><a href="#tagsSafari602131SourceWebCoreloaderHistoryControllercpp">tags/Safari-602.1.31/Source/WebCore/loader/HistoryController.cpp</a></li>
<li><a href="#tagsSafari602131SourceWebCorepageFrameViewcpp">tags/Safari-602.1.31/Source/WebCore/page/FrameView.cpp</a></li>
<li><a href="#tagsSafari602131SourceWebCorepagePageh">tags/Safari-602.1.31/Source/WebCore/page/Page.h</a></li>
<li><a href="#tagsSafari602131SourceWebCoreplatformScrollViewh">tags/Safari-602.1.31/Source/WebCore/platform/ScrollView.h</a></li>
<li><a href="#tagsSafari602131SourceWebKit2ChangeLog">tags/Safari-602.1.31/Source/WebKit2/ChangeLog</a></li>
<li><a href="#tagsSafari602131SourceWebKit2SharedVisibleContentRectUpdateInfocpp">tags/Safari-602.1.31/Source/WebKit2/Shared/VisibleContentRectUpdateInfo.cpp</a></li>
<li><a href="#tagsSafari602131SourceWebKit2SharedVisibleContentRectUpdateInfoh">tags/Safari-602.1.31/Source/WebKit2/Shared/VisibleContentRectUpdateInfo.h</a></li>
<li><a href="#tagsSafari602131SourceWebKit2UIProcessAPICocoaWKWebViewmm">tags/Safari-602.1.31/Source/WebKit2/UIProcess/API/Cocoa/WKWebView.mm</a></li>
<li><a href="#tagsSafari602131SourceWebKit2UIProcessAPICocoaWKWebViewInternalh">tags/Safari-602.1.31/Source/WebKit2/UIProcess/API/Cocoa/WKWebViewInternal.h</a></li>
<li><a href="#tagsSafari602131SourceWebKit2UIProcessWebPageProxyh">tags/Safari-602.1.31/Source/WebKit2/UIProcess/WebPageProxy.h</a></li>
<li><a href="#tagsSafari602131SourceWebKit2UIProcessiosWKContentViewh">tags/Safari-602.1.31/Source/WebKit2/UIProcess/ios/WKContentView.h</a></li>
<li><a href="#tagsSafari602131SourceWebKit2UIProcessiosWKContentViewmm">tags/Safari-602.1.31/Source/WebKit2/UIProcess/ios/WKContentView.mm</a></li>
<li><a href="#tagsSafari602131SourceWebKit2UIProcessiosWebPageProxyIOSmm">tags/Safari-602.1.31/Source/WebKit2/UIProcess/ios/WebPageProxyIOS.mm</a></li>
<li><a href="#tagsSafari602131SourceWebKit2UIProcessmacRemoteLayerTreeDrawingAreaProxymm">tags/Safari-602.1.31/Source/WebKit2/UIProcess/mac/RemoteLayerTreeDrawingAreaProxy.mm</a></li>
<li><a href="#tagsSafari602131SourceWebKit2WebProcessWebPageiosWebPageIOSmm">tags/Safari-602.1.31/Source/WebKit2/WebProcess/WebPage/ios/WebPageIOS.mm</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="tagsSafari602131SourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: tags/Safari-602.1.31/Source/WebCore/ChangeLog (200474 => 200475)</h4>
<pre class="diff"><span>
<span class="info">--- tags/Safari-602.1.31/Source/WebCore/ChangeLog 2016-05-05 20:34:17 UTC (rev 200474)
+++ tags/Safari-602.1.31/Source/WebCore/ChangeLog 2016-05-05 20:40:01 UTC (rev 200475)
</span><span class="lines">@@ -1,3 +1,24 @@
</span><ins>+2016-05-05 Babak Shafiei <bshafiei@apple.com>
+
+ Merge r200470.
+
+ 2016-05-05 Simon Fraser <simon.fraser@apple.com>
+
+ Revert r200390, thus putting r199259 and r200161 and back.
+
+ * loader/HistoryController.cpp:
+ (WebCore::HistoryController::saveScrollPositionAndViewStateToItem):
+ * page/FrameView.cpp:
+ (WebCore::FrameView::adjustTiledBackingScrollability):
+ * page/Page.h:
+ (WebCore::Page::obscuredInset):
+ (WebCore::Page::setObscuredInset):
+ (WebCore::Page::enclosedInScrollableAncestorView):
+ (WebCore::Page::setEnclosedInScrollableAncestorView):
+ * platform/ScrollView.h:
+ (WebCore::ScrollView::platformObscuredInset): Deleted.
+ (WebCore::ScrollView::platformSetObscuredInset): Deleted.
+
</ins><span class="cx"> 2016-05-04 Konstantin Tokarev <annulen@yandex.ru>
</span><span class="cx">
</span><span class="cx"> Deduplicated initializer lists of BitmapImage constructors.
</span></span></pre></div>
<a id="tagsSafari602131SourceWebCoreloaderHistoryControllercpp"></a>
<div class="modfile"><h4>Modified: tags/Safari-602.1.31/Source/WebCore/loader/HistoryController.cpp (200474 => 200475)</h4>
<pre class="diff"><span>
<span class="info">--- tags/Safari-602.1.31/Source/WebCore/loader/HistoryController.cpp 2016-05-05 20:34:17 UTC (rev 200474)
+++ tags/Safari-602.1.31/Source/WebCore/loader/HistoryController.cpp 2016-05-05 20:40:01 UTC (rev 200475)
</span><span class="lines">@@ -79,15 +79,19 @@
</span><span class="cx"> item->setScrollPosition(frameView->cachedScrollPosition());
</span><span class="cx"> else
</span><span class="cx"> item->setScrollPosition(frameView->scrollPosition());
</span><ins>+
</ins><span class="cx"> #if PLATFORM(IOS)
</span><span class="cx"> item->setExposedContentRect(frameView->exposedContentRect());
</span><span class="cx"> item->setUnobscuredContentRect(frameView->unobscuredContentRect());
</span><del>- item->setObscuredInset(frameView->platformObscuredInset());
</del><span class="cx"> #endif
</span><span class="cx">
</span><span class="cx"> Page* page = m_frame.page();
</span><del>- if (page && m_frame.isMainFrame())
</del><ins>+ if (page && m_frame.isMainFrame()) {
</ins><span class="cx"> item->setPageScaleFactor(page->pageScaleFactor() / page->viewScaleFactor());
</span><ins>+#if PLATFORM(IOS)
+ item->setObscuredInset(page->obscuredInset());
+#endif
+ }
</ins><span class="cx">
</span><span class="cx"> // FIXME: It would be great to work out a way to put this code in WebCore instead of calling through to the client.
</span><span class="cx"> m_frame.loader().client().saveViewStateToItem(item);
</span></span></pre></div>
<a id="tagsSafari602131SourceWebCorepageFrameViewcpp"></a>
<div class="modfile"><h4>Modified: tags/Safari-602.1.31/Source/WebCore/page/FrameView.cpp (200474 => 200475)</h4>
<pre class="diff"><span>
<span class="info">--- tags/Safari-602.1.31/Source/WebCore/page/FrameView.cpp 2016-05-05 20:34:17 UTC (rev 200474)
+++ tags/Safari-602.1.31/Source/WebCore/page/FrameView.cpp 2016-05-05 20:40:01 UTC (rev 200475)
</span><span class="lines">@@ -2485,6 +2485,11 @@
</span><span class="cx"> bool verticallyScrollable;
</span><span class="cx"> bool clippedByAncestorView = static_cast<bool>(m_viewExposedRect);
</span><span class="cx">
</span><ins>+#if PLATFORM(IOS)
+ if (Page* page = frame().page())
+ clippedByAncestorView |= page->enclosedInScrollableAncestorView();
+#endif
+
</ins><span class="cx"> if (delegatesScrolling()) {
</span><span class="cx"> IntSize documentSize = contentsSize();
</span><span class="cx"> IntSize visibleSize = this->visibleSize();
</span></span></pre></div>
<a id="tagsSafari602131SourceWebCorepagePageh"></a>
<div class="modfile"><h4>Modified: tags/Safari-602.1.31/Source/WebCore/page/Page.h (200474 => 200475)</h4>
<pre class="diff"><span>
<span class="info">--- tags/Safari-602.1.31/Source/WebCore/page/Page.h 2016-05-05 20:34:17 UTC (rev 200474)
+++ tags/Safari-602.1.31/Source/WebCore/page/Page.h 2016-05-05 20:40:01 UTC (rev 200475)
</span><span class="lines">@@ -294,7 +294,15 @@
</span><span class="cx">
</span><span class="cx"> float topContentInset() const { return m_topContentInset; }
</span><span class="cx"> WEBCORE_EXPORT void setTopContentInset(float);
</span><ins>+
+#if PLATFORM(IOS)
+ FloatSize obscuredInset() const { return m_obscuredInset; }
+ void setObscuredInset(FloatSize inset) { m_obscuredInset = inset; }
</ins><span class="cx">
</span><ins>+ bool enclosedInScrollableAncestorView() const { return m_enclosedInScrollableAncestorView; }
+ void setEnclosedInScrollableAncestorView(bool f) { m_enclosedInScrollableAncestorView = f; }
+#endif
+
</ins><span class="cx"> #if ENABLE(IOS_TEXT_AUTOSIZING)
</span><span class="cx"> float textAutosizingWidth() const { return m_textAutosizingWidth; }
</span><span class="cx"> void setTextAutosizingWidth(float textAutosizingWidth) { m_textAutosizingWidth = textAutosizingWidth; }
</span><span class="lines">@@ -600,7 +608,13 @@
</span><span class="cx"> float m_viewScaleFactor { 1 };
</span><span class="cx">
</span><span class="cx"> float m_topContentInset;
</span><del>-
</del><ins>+
+#if PLATFORM(IOS)
+ // This is only used for history scroll position restoration.
+ FloatSize m_obscuredInset;
+ bool m_enclosedInScrollableAncestorView { false };
+#endif
+
</ins><span class="cx"> #if ENABLE(IOS_TEXT_AUTOSIZING)
</span><span class="cx"> float m_textAutosizingWidth;
</span><span class="cx"> #endif
</span></span></pre></div>
<a id="tagsSafari602131SourceWebCoreplatformScrollViewh"></a>
<div class="modfile"><h4>Modified: tags/Safari-602.1.31/Source/WebCore/platform/ScrollView.h (200474 => 200475)</h4>
<pre class="diff"><span>
<span class="info">--- tags/Safari-602.1.31/Source/WebCore/platform/ScrollView.h 2016-05-05 20:34:17 UTC (rev 200474)
+++ tags/Safari-602.1.31/Source/WebCore/platform/ScrollView.h 2016-05-05 20:40:01 UTC (rev 200475)
</span><span class="lines">@@ -378,11 +378,6 @@
</span><span class="cx">
</span><span class="cx"> WEBCORE_EXPORT void scrollOffsetChangedViaPlatformWidget(const ScrollOffset& oldOffset, const ScrollOffset& newOffset);
</span><span class="cx">
</span><del>-#if PLATFORM(IOS)
- FloatSize platformObscuredInset() const { return m_obscuredInset; }
- void platformSetObscuredInset(FloatSize inset) { m_obscuredInset = inset; }
-#endif
-
</del><span class="cx"> protected:
</span><span class="cx"> ScrollView();
</span><span class="cx">
</span><span class="lines">@@ -458,7 +453,6 @@
</span><span class="cx"> FloatRect m_exposedContentRect;
</span><span class="cx"> FloatSize m_unobscuredContentSize;
</span><span class="cx"> // This is only used for history scroll position restoration.
</span><del>- FloatSize m_obscuredInset;
</del><span class="cx"> #else
</span><span class="cx"> IntRect m_fixedVisibleContentRect;
</span><span class="cx"> #endif
</span></span></pre></div>
<a id="tagsSafari602131SourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: tags/Safari-602.1.31/Source/WebKit2/ChangeLog (200474 => 200475)</h4>
<pre class="diff"><span>
<span class="info">--- tags/Safari-602.1.31/Source/WebKit2/ChangeLog 2016-05-05 20:34:17 UTC (rev 200474)
+++ tags/Safari-602.1.31/Source/WebKit2/ChangeLog 2016-05-05 20:40:01 UTC (rev 200475)
</span><span class="lines">@@ -1,3 +1,47 @@
</span><ins>+2016-05-05 Babak Shafiei <bshafiei@apple.com>
+
+ Merge r200470.
+
+ 2016-05-05 Simon Fraser <simon.fraser@apple.com>
+
+ Revert r200390, thus putting r199259 and r200161 and back.
+
+ * Shared/VisibleContentRectUpdateInfo.cpp:
+ (WebKit::VisibleContentRectUpdateInfo::encode):
+ (WebKit::VisibleContentRectUpdateInfo::decode):
+ * Shared/VisibleContentRectUpdateInfo.h:
+ (WebKit::VisibleContentRectUpdateInfo::VisibleContentRectUpdateInfo):
+ (WebKit::VisibleContentRectUpdateInfo::enclosedInScrollableAncestorView):
+ (WebKit::operator==):
+ * UIProcess/API/Cocoa/WKWebView.mm:
+ (-[WKWebView _didInvokeUIScrollViewDelegateCallback]):
+ (-[WKWebView _didFinishScrolling]):
+ (-[WKWebView scrollViewDidScroll:]):
+ (-[WKWebView scrollViewDidZoom:]):
+ (-[WKWebView scrollViewDidEndZooming:withView:atScale:]):
+ (-[WKWebView _scrollViewDidInterruptDecelerating:]):
+ (-[WKWebView _visibleRectInEnclosingScrollView:]):
+ (-[WKWebView _visibleContentRect]):
+ (-[WKWebView _didScroll]):
+ (-[WKWebView _enclosingScrollerScrollingEnded:]):
+ (-[WKWebView _frameOrBoundsChanged]):
+ (-[WKWebView _updateVisibleContentRects]):
+ (-[WKWebView _updateVisibleContentRectAfterScrollInView:]):
+ (scrollViewCanScroll):
+ (-[WKWebView _updateContentRectsWithState:]):
+ * UIProcess/API/Cocoa/WKWebViewInternal.h:
+ * UIProcess/WebPageProxy.h:
+ * UIProcess/ios/WKContentView.h:
+ * UIProcess/ios/WKContentView.mm:
+ (-[WKContentView didUpdateVisibleRect:unobscuredRect:unobscuredRectInScrollViewCoordinates:obscuredInset:scale:minimumScale:inStableState:isChangingObscuredInsetsInteractively:enclosedInScrollableAncestorView:]):
+ (-[WKContentView didUpdateVisibleRect:unobscuredRect:unobscuredRectInScrollViewCoordinates:obscuredInset:scale:minimumScale:inStableState:isChangingObscuredInsetsInteractively:]): Deleted.
+ * UIProcess/ios/WebPageProxyIOS.mm:
+ (WebKit::WebPageProxy::updateVisibleContentRects):
+ * UIProcess/mac/RemoteLayerTreeDrawingAreaProxy.mm:
+ (WebKit::RemoteLayerTreeDrawingAreaProxy::indicatorLocation):
+ * WebProcess/WebPage/ios/WebPageIOS.mm:
+ (WebKit::WebPage::updateVisibleContentRects):
+
</ins><span class="cx"> 2016-05-04 Gyuyoung Kim <gyuyoung.kim@webkit.org>
</span><span class="cx">
</span><span class="cx"> Add WKPreference for SelectionPaintingWithoutSelectionGaps
</span></span></pre></div>
<a id="tagsSafari602131SourceWebKit2SharedVisibleContentRectUpdateInfocpp"></a>
<div class="modfile"><h4>Modified: tags/Safari-602.1.31/Source/WebKit2/Shared/VisibleContentRectUpdateInfo.cpp (200474 => 200475)</h4>
<pre class="diff"><span>
<span class="info">--- tags/Safari-602.1.31/Source/WebKit2/Shared/VisibleContentRectUpdateInfo.cpp 2016-05-05 20:34:17 UTC (rev 200474)
+++ tags/Safari-602.1.31/Source/WebKit2/Shared/VisibleContentRectUpdateInfo.cpp 2016-05-05 20:40:01 UTC (rev 200475)
</span><span class="lines">@@ -46,6 +46,7 @@
</span><span class="cx"> encoder << m_inStableState;
</span><span class="cx"> encoder << m_isChangingObscuredInsetsInteractively;
</span><span class="cx"> encoder << m_allowShrinkToFit;
</span><ins>+ encoder << m_enclosedInScrollableAncestorView;
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> bool VisibleContentRectUpdateInfo::decode(IPC::ArgumentDecoder& decoder, VisibleContentRectUpdateInfo& result)
</span><span class="lines">@@ -78,6 +79,8 @@
</span><span class="cx"> return false;
</span><span class="cx"> if (!decoder.decode(result.m_allowShrinkToFit))
</span><span class="cx"> return false;
</span><ins>+ if (!decoder.decode(result.m_enclosedInScrollableAncestorView))
+ return false;
</ins><span class="cx">
</span><span class="cx"> return true;
</span><span class="cx"> }
</span></span></pre></div>
<a id="tagsSafari602131SourceWebKit2SharedVisibleContentRectUpdateInfoh"></a>
<div class="modfile"><h4>Modified: tags/Safari-602.1.31/Source/WebKit2/Shared/VisibleContentRectUpdateInfo.h (200474 => 200475)</h4>
<pre class="diff"><span>
<span class="info">--- tags/Safari-602.1.31/Source/WebKit2/Shared/VisibleContentRectUpdateInfo.h 2016-05-05 20:34:17 UTC (rev 200474)
+++ tags/Safari-602.1.31/Source/WebKit2/Shared/VisibleContentRectUpdateInfo.h 2016-05-05 20:40:01 UTC (rev 200475)
</span><span class="lines">@@ -41,7 +41,7 @@
</span><span class="cx">
</span><span class="cx"> VisibleContentRectUpdateInfo(const WebCore::FloatRect& exposedContentRect, const WebCore::FloatRect& unobscuredContentRect,
</span><span class="cx"> const WebCore::FloatRect& unobscuredRectInScrollViewCoordinates, const WebCore::FloatRect& customFixedPositionRect,
</span><del>- const WebCore::FloatSize& obscuredInset, double scale, bool inStableState, bool isChangingObscuredInsetsInteractively, bool allowShrinkToFit,
</del><ins>+ const WebCore::FloatSize& obscuredInset, double scale, bool inStableState, bool isChangingObscuredInsetsInteractively, bool allowShrinkToFit, bool enclosedInScrollableAncestorView,
</ins><span class="cx"> double timestamp, double horizontalVelocity, double verticalVelocity, double scaleChangeRate, uint64_t lastLayerTreeTransactionId)
</span><span class="cx"> : m_exposedContentRect(exposedContentRect)
</span><span class="cx"> , m_unobscuredContentRect(unobscuredContentRect)
</span><span class="lines">@@ -57,6 +57,7 @@
</span><span class="cx"> , m_inStableState(inStableState)
</span><span class="cx"> , m_isChangingObscuredInsetsInteractively(isChangingObscuredInsetsInteractively)
</span><span class="cx"> , m_allowShrinkToFit(allowShrinkToFit)
</span><ins>+ , m_enclosedInScrollableAncestorView(enclosedInScrollableAncestorView)
</ins><span class="cx"> {
</span><span class="cx"> }
</span><span class="cx">
</span><span class="lines">@@ -70,6 +71,7 @@
</span><span class="cx"> bool inStableState() const { return m_inStableState; }
</span><span class="cx"> bool isChangingObscuredInsetsInteractively() const { return m_isChangingObscuredInsetsInteractively; }
</span><span class="cx"> bool allowShrinkToFit() const { return m_allowShrinkToFit; }
</span><ins>+ bool enclosedInScrollableAncestorView() const { return m_enclosedInScrollableAncestorView; }
</ins><span class="cx">
</span><span class="cx"> double timestamp() const { return m_timestamp; }
</span><span class="cx"> double horizontalVelocity() const { return m_horizontalVelocity; }
</span><span class="lines">@@ -96,6 +98,7 @@
</span><span class="cx"> bool m_inStableState { false };
</span><span class="cx"> bool m_isChangingObscuredInsetsInteractively { false };
</span><span class="cx"> bool m_allowShrinkToFit { false };
</span><ins>+ bool m_enclosedInScrollableAncestorView { false };
</ins><span class="cx"> };
</span><span class="cx">
</span><span class="cx"> inline bool operator==(const VisibleContentRectUpdateInfo& a, const VisibleContentRectUpdateInfo& b)
</span><span class="lines">@@ -110,7 +113,8 @@
</span><span class="cx"> && a.verticalVelocity() == b.verticalVelocity()
</span><span class="cx"> && a.scaleChangeRate() == b.scaleChangeRate()
</span><span class="cx"> && a.inStableState() == b.inStableState()
</span><del>- && a.allowShrinkToFit() == b.allowShrinkToFit();
</del><ins>+ && a.allowShrinkToFit() == b.allowShrinkToFit()
+ && a.enclosedInScrollableAncestorView() == b.enclosedInScrollableAncestorView();
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> } // namespace WebKit
</span></span></pre></div>
<a id="tagsSafari602131SourceWebKit2UIProcessAPICocoaWKWebViewmm"></a>
<div class="modfile"><h4>Modified: tags/Safari-602.1.31/Source/WebKit2/UIProcess/API/Cocoa/WKWebView.mm (200474 => 200475)</h4>
<pre class="diff"><span>
<span class="info">--- tags/Safari-602.1.31/Source/WebKit2/UIProcess/API/Cocoa/WKWebView.mm 2016-05-05 20:34:17 UTC (rev 200474)
+++ tags/Safari-602.1.31/Source/WebKit2/UIProcess/API/Cocoa/WKWebView.mm 2016-05-05 20:40:01 UTC (rev 200475)
</span><span class="lines">@@ -242,6 +242,9 @@
</span><span class="cx"> RetainPtr<UIView <WKWebViewContentProvider>> _customContentView;
</span><span class="cx"> RetainPtr<UIView> _customContentFixedOverlayView;
</span><span class="cx">
</span><ins>+ RetainPtr<NSTimer> _enclosingScrollViewScrollTimer;
+ BOOL _didScrollSinceLastTimerFire;
+
</ins><span class="cx"> WebCore::Color _scrollViewBackgroundColor;
</span><span class="cx">
</span><span class="cx"> // This value tracks the current adjustment added to the bottom inset due to the keyboard sliding out from the bottom
</span><span class="lines">@@ -1044,7 +1047,7 @@
</span><span class="cx"> _delayUpdateVisibleContentRects = NO;
</span><span class="cx"> if (_hadDelayedUpdateVisibleContentRects) {
</span><span class="cx"> _hadDelayedUpdateVisibleContentRects = NO;
</span><del>- [self _updateVisibleContentRects];
</del><ins>+ [self _updateVisibleContentRectAfterScrollInView:_scrollView.get()];
</ins><span class="cx"> }
</span><span class="cx"> }
</span><span class="cx">
</span><span class="lines">@@ -1788,7 +1791,7 @@
</span><span class="cx"> if (![self usesStandardContentView])
</span><span class="cx"> return;
</span><span class="cx">
</span><del>- [self _updateVisibleContentRects];
</del><ins>+ [self _updateVisibleContentRectAfterScrollInView:_scrollView.get()];
</ins><span class="cx"> [_contentView didFinishScrolling];
</span><span class="cx"> }
</span><span class="cx">
</span><span class="lines">@@ -1842,7 +1845,7 @@
</span><span class="cx"> if (![self usesStandardContentView])
</span><span class="cx"> [_customContentView scrollViewDidScroll:(UIScrollView *)scrollView];
</span><span class="cx">
</span><del>- [self _updateVisibleContentRects];
</del><ins>+ [self _updateVisibleContentRectAfterScrollInView:scrollView];
</ins><span class="cx">
</span><span class="cx"> if (WebKit::RemoteLayerTreeScrollingPerformanceData* scrollPerfData = _page->scrollingPerformanceData())
</span><span class="cx"> scrollPerfData->didScroll([self visibleRectInViewCoordinates]);
</span><span class="lines">@@ -1851,13 +1854,13 @@
</span><span class="cx"> - (void)scrollViewDidZoom:(UIScrollView *)scrollView
</span><span class="cx"> {
</span><span class="cx"> [self _updateScrollViewBackground];
</span><del>- [self _updateVisibleContentRects];
</del><ins>+ [self _updateVisibleContentRectAfterScrollInView:scrollView];
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> - (void)scrollViewDidEndZooming:(UIScrollView *)scrollView withView:(UIView *)view atScale:(CGFloat)scale
</span><span class="cx"> {
</span><span class="cx"> ASSERT(scrollView == _scrollView);
</span><del>- [self _updateVisibleContentRects];
</del><ins>+ [self _updateVisibleContentRectAfterScrollInView:scrollView];
</ins><span class="cx"> [_contentView didZoomToScale:scale];
</span><span class="cx"> }
</span><span class="cx">
</span><span class="lines">@@ -1872,7 +1875,55 @@
</span><span class="cx"> return;
</span><span class="cx">
</span><span class="cx"> [_contentView didInterruptScrolling];
</span><ins>+ [self _updateVisibleContentRectAfterScrollInView:scrollView];
+}
+
+- (CGRect)_visibleRectInEnclosingScrollView:(UIScrollView *)enclosingScrollView
+{
+ if (!enclosingScrollView)
+ return self.bounds;
+
+ CGRect exposedRect = [enclosingScrollView convertRect:enclosingScrollView.bounds toView:self];
+ return CGRectIntersectsRect(exposedRect, self.bounds) ? CGRectIntersection(exposedRect, self.bounds) : CGRectZero;
+}
+
+- (CGRect)_visibleContentRect
+{
+ CGRect visibleRectInContentCoordinates = _frozenVisibleContentRect ? _frozenVisibleContentRect.value() : [self convertRect:self.bounds toView:_contentView.get()];
+
+ if (UIScrollView *enclosingScroller = [self _scroller]) {
+ CGRect viewVisibleRect = [self _visibleRectInEnclosingScrollView:enclosingScroller];
+ CGRect viewVisibleContentRect = [self convertRect:viewVisibleRect toView:_contentView.get()];
+ visibleRectInContentCoordinates = CGRectIntersection(visibleRectInContentCoordinates, viewVisibleContentRect);
+ }
+
+ return visibleRectInContentCoordinates;
+}
+
+// Called when some ancestor UIScrollView scrolls.
+- (void)_didScroll
+{
+ [self _updateVisibleContentRectAfterScrollInView:[self _scroller]];
+
+ const NSTimeInterval ScrollingEndedTimerInterval = 0.032;
+ if (!_enclosingScrollViewScrollTimer) {
+ _enclosingScrollViewScrollTimer = adoptNS([[NSTimer alloc] initWithFireDate:[NSDate dateWithTimeIntervalSinceNow:ScrollingEndedTimerInterval]
+ interval:0 target:self selector:@selector(_enclosingScrollerScrollingEnded:) userInfo:nil repeats:YES]);
+ [[NSRunLoop mainRunLoop] addTimer:_enclosingScrollViewScrollTimer.get() forMode:NSDefaultRunLoopMode];
+ }
+ _didScrollSinceLastTimerFire = YES;
+}
+
+- (void)_enclosingScrollerScrollingEnded:(NSTimer *)timer
+{
+ if (_didScrollSinceLastTimerFire) {
+ _didScrollSinceLastTimerFire = NO;
+ return;
+ }
+
</ins><span class="cx"> [self _updateVisibleContentRects];
</span><ins>+ [_enclosingScrollViewScrollTimer invalidate];
+ _enclosingScrollViewScrollTimer = nil;
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> - (void)_frameOrBoundsChanged
</span><span class="lines">@@ -1885,7 +1936,7 @@
</span><span class="cx"> _page->setViewportConfigurationMinimumLayoutSize(WebCore::FloatSize(bounds.size));
</span><span class="cx"> if (!_overridesMaximumUnobscuredSize)
</span><span class="cx"> _page->setMaximumUnobscuredSize(WebCore::FloatSize(bounds.size));
</span><del>- if (WebKit::DrawingAreaProxy* drawingArea = _page->drawingArea())
</del><ins>+ if (auto drawingArea = _page->drawingArea())
</ins><span class="cx"> drawingArea->setSize(WebCore::IntSize(bounds.size), WebCore::IntSize(), WebCore::IntSize());
</span><span class="cx"> }
</span><span class="cx">
</span><span class="lines">@@ -1915,6 +1966,42 @@
</span><span class="cx">
</span><span class="cx"> - (void)_updateVisibleContentRects
</span><span class="cx"> {
</span><ins>+ // For visible rect updates not associated with a spefic UIScrollView, just consider our own scroller.
+ [self _updateVisibleContentRectAfterScrollInView:_scrollView.get()];
+}
+
+- (void)_updateVisibleContentRectAfterScrollInView:(UIScrollView *)scrollView
+{
+ BOOL isStableState = !([scrollView isDragging] || [scrollView isDecelerating] || [scrollView isZooming] || [scrollView _isAnimatingZoom] || [scrollView _isScrollingToTop]);
+
+ if (isStableState && scrollView == _scrollView.get())
+ isStableState = !_isChangingObscuredInsetsInteractively;
+
+ if (isStableState && scrollView == _scrollView.get())
+ isStableState = ![self _scrollViewIsRubberBanding];
+
+ // FIXME: this can be made static after we stop supporting iOS 8.x.
+ if (isStableState && [scrollView respondsToSelector:@selector(_isInterruptingDeceleration)])
+ isStableState = ![scrollView performSelector:@selector(_isInterruptingDeceleration)];
+
+ [self _updateContentRectsWithState:isStableState];
+}
+
+static bool scrollViewCanScroll(UIScrollView *scrollView)
+{
+ if (!scrollView)
+ return NO;
+
+ UIEdgeInsets contentInset = scrollView.contentInset;
+ CGSize contentSize = scrollView.contentSize;
+ CGSize boundsSize = scrollView.bounds.size;
+
+ return (contentSize.width + contentInset.left + contentInset.right) > boundsSize.width
+ || (contentSize.height + contentInset.top + contentInset.bottom) > boundsSize.height;
+}
+
+- (void)_updateContentRectsWithState:(BOOL)inStableState
+{
</ins><span class="cx"> if (![self usesStandardContentView]) {
</span><span class="cx"> [_customContentView web_computedContentInsetDidChange];
</span><span class="cx"> return;
</span><span class="lines">@@ -1932,7 +2019,7 @@
</span><span class="cx"> return;
</span><span class="cx">
</span><span class="cx"> CGRect fullViewRect = self.bounds;
</span><del>- CGRect visibleRectInContentCoordinates = _frozenVisibleContentRect ? _frozenVisibleContentRect.value() : [self convertRect:fullViewRect toView:_contentView.get()];
</del><ins>+ CGRect visibleRectInContentCoordinates = [self _visibleContentRect];
</ins><span class="cx">
</span><span class="cx"> UIEdgeInsets computedContentInsetUnadjustedForKeyboard = [self _computedContentInset];
</span><span class="cx"> if (!_haveSetObscuredInsets)
</span><span class="lines">@@ -1943,17 +2030,10 @@
</span><span class="cx">
</span><span class="cx"> CGFloat scaleFactor = contentZoomScale(self);
</span><span class="cx">
</span><del>- BOOL isStableState = !(_isChangingObscuredInsetsInteractively || [_scrollView isDragging] || [_scrollView isDecelerating] || [_scrollView isZooming] || [_scrollView _isAnimatingZoom] || [_scrollView _isScrollingToTop] || [self _scrollViewIsRubberBanding]);
-
- // FIXME: this can be made static after we stop supporting iOS 8.x.
- if (isStableState && [_scrollView respondsToSelector:@selector(_isInterruptingDeceleration)])
- isStableState = ![_scrollView performSelector:@selector(_isInterruptingDeceleration)];
-
</del><span class="cx"> #if ENABLE(CSS_SCROLL_SNAP) && ENABLE(ASYNC_SCROLLING)
</span><del>- if (isStableState) {
</del><ins>+ if (inStableState) {
</ins><span class="cx"> WebKit::RemoteScrollingCoordinatorProxy* coordinator = _page->scrollingCoordinatorProxy();
</span><span class="cx"> if (coordinator && coordinator->hasActiveSnapPoint()) {
</span><del>- CGRect fullViewRect = self.bounds;
</del><span class="cx"> CGRect unobscuredRect = UIEdgeInsetsInsetRect(fullViewRect, computedContentInsetUnadjustedForKeyboard);
</span><span class="cx">
</span><span class="cx"> CGPoint currentPoint = [_scrollView contentOffset];
</span><span class="lines">@@ -1974,8 +2054,9 @@
</span><span class="cx"> unobscuredRectInScrollViewCoordinates:unobscuredRect
</span><span class="cx"> obscuredInset:CGSizeMake(_obscuredInsets.left, _obscuredInsets.top)
</span><span class="cx"> scale:scaleFactor minimumScale:[_scrollView minimumZoomScale]
</span><del>- inStableState:isStableState
- isChangingObscuredInsetsInteractively:_isChangingObscuredInsetsInteractively];
</del><ins>+ inStableState:inStableState
+ isChangingObscuredInsetsInteractively:_isChangingObscuredInsetsInteractively
+ enclosedInScrollableAncestorView:scrollViewCanScroll([self _scroller])];
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> - (void)_didFinishLoadForMainFrame
</span></span></pre></div>
<a id="tagsSafari602131SourceWebKit2UIProcessAPICocoaWKWebViewInternalh"></a>
<div class="modfile"><h4>Modified: tags/Safari-602.1.31/Source/WebKit2/UIProcess/API/Cocoa/WKWebViewInternal.h (200474 => 200475)</h4>
<pre class="diff"><span>
<span class="info">--- tags/Safari-602.1.31/Source/WebKit2/UIProcess/API/Cocoa/WKWebViewInternal.h 2016-05-05 20:34:17 UTC (rev 200474)
+++ tags/Safari-602.1.31/Source/WebKit2/UIProcess/API/Cocoa/WKWebViewInternal.h 2016-05-05 20:40:01 UTC (rev 200475)
</span><span class="lines">@@ -99,6 +99,8 @@
</span><span class="cx"> - (void)_didInvokeUIScrollViewDelegateCallback;
</span><span class="cx">
</span><span class="cx"> - (void)_updateVisibleContentRects;
</span><ins>+- (void)_updateVisibleContentRectAfterScrollInView:(UIScrollView *)scrollView;
+- (void)_updateContentRectsWithState:(BOOL)inStableState;
</ins><span class="cx">
</span><span class="cx"> - (void)_didFinishLoadForMainFrame;
</span><span class="cx"> - (void)_didFailLoadForMainFrame;
</span></span></pre></div>
<a id="tagsSafari602131SourceWebKit2UIProcessWebPageProxyh"></a>
<div class="modfile"><h4>Modified: tags/Safari-602.1.31/Source/WebKit2/UIProcess/WebPageProxy.h (200474 => 200475)</h4>
<pre class="diff"><span>
<span class="info">--- tags/Safari-602.1.31/Source/WebKit2/UIProcess/WebPageProxy.h 2016-05-05 20:34:17 UTC (rev 200474)
+++ tags/Safari-602.1.31/Source/WebKit2/UIProcess/WebPageProxy.h 2016-05-05 20:40:01 UTC (rev 200475)
</span><span class="lines">@@ -455,7 +455,7 @@
</span><span class="cx"> const WebCore::FloatRect& exposedContentRect() const { return m_lastVisibleContentRectUpdate.exposedContentRect(); }
</span><span class="cx"> const WebCore::FloatRect& unobscuredContentRect() const { return m_lastVisibleContentRectUpdate.unobscuredContentRect(); }
</span><span class="cx">
</span><del>- void updateVisibleContentRects(const WebCore::FloatRect& exposedRect, const WebCore::FloatRect& unobscuredRect, const WebCore::FloatRect& unobscuredRectInScrollViewCoordinates, const WebCore::FloatRect& customFixedPositionRect, const WebCore::FloatSize& obscuredInset, double scale, bool inStableState, bool isChangingObscuredInsetsInteractively, bool allowShrinkToFit, double timestamp, double horizontalVelocity, double verticalVelocity, double scaleChangeRate);
</del><ins>+ void updateVisibleContentRects(const VisibleContentRectUpdateInfo&);
</ins><span class="cx"> void resendLastVisibleContentRects();
</span><span class="cx">
</span><span class="cx"> enum class UnobscuredRectConstraint { ConstrainedToDocumentRect, Unconstrained };
</span></span></pre></div>
<a id="tagsSafari602131SourceWebKit2UIProcessiosWKContentViewh"></a>
<div class="modfile"><h4>Modified: tags/Safari-602.1.31/Source/WebKit2/UIProcess/ios/WKContentView.h (200474 => 200475)</h4>
<pre class="diff"><span>
<span class="info">--- tags/Safari-602.1.31/Source/WebKit2/UIProcess/ios/WKContentView.h 2016-05-05 20:34:17 UTC (rev 200474)
+++ tags/Safari-602.1.31/Source/WebKit2/UIProcess/ios/WKContentView.h 2016-05-05 20:40:01 UTC (rev 200475)
</span><span class="lines">@@ -70,7 +70,9 @@
</span><span class="cx"> unobscuredRectInScrollViewCoordinates:(CGRect)unobscuredRectInScrollViewCoordinates
</span><span class="cx"> obscuredInset:(CGSize)topInset
</span><span class="cx"> scale:(CGFloat)scale minimumScale:(CGFloat)minimumScale
</span><del>- inStableState:(BOOL)isStableState isChangingObscuredInsetsInteractively:(BOOL)isChangingObscuredInsetsInteractively;
</del><ins>+ inStableState:(BOOL)isStableState
+ isChangingObscuredInsetsInteractively:(BOOL)isChangingObscuredInsetsInteractively
+ enclosedInScrollableAncestorView:(BOOL)enclosedInScrollableAncestorView;
</ins><span class="cx">
</span><span class="cx"> - (void)didFinishScrolling;
</span><span class="cx"> - (void)didInterruptScrolling;
</span></span></pre></div>
<a id="tagsSafari602131SourceWebKit2UIProcessiosWKContentViewmm"></a>
<div class="modfile"><h4>Modified: tags/Safari-602.1.31/Source/WebKit2/UIProcess/ios/WKContentView.mm (200474 => 200475)</h4>
<pre class="diff"><span>
<span class="info">--- tags/Safari-602.1.31/Source/WebKit2/UIProcess/ios/WKContentView.mm 2016-05-05 20:34:17 UTC (rev 200474)
+++ tags/Safari-602.1.31/Source/WebKit2/UIProcess/ios/WKContentView.mm 2016-05-05 20:40:01 UTC (rev 200475)
</span><span class="lines">@@ -356,8 +356,12 @@
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> - (void)didUpdateVisibleRect:(CGRect)visibleRect unobscuredRect:(CGRect)unobscuredRect unobscuredRectInScrollViewCoordinates:(CGRect)unobscuredRectInScrollViewCoordinates
</span><del>- obscuredInset:(CGSize)obscuredInset scale:(CGFloat)zoomScale minimumScale:(CGFloat)minimumScale inStableState:(BOOL)isStableState isChangingObscuredInsetsInteractively:(BOOL)isChangingObscuredInsetsInteractively
</del><ins>+ obscuredInset:(CGSize)obscuredInset scale:(CGFloat)zoomScale minimumScale:(CGFloat)minimumScale inStableState:(BOOL)isStableState isChangingObscuredInsetsInteractively:(BOOL)isChangingObscuredInsetsInteractively enclosedInScrollableAncestorView:(BOOL)enclosedInScrollableAncestorView
</ins><span class="cx"> {
</span><ins>+ auto drawingArea = _page->drawingArea();
+ if (!drawingArea)
+ return;
+
</ins><span class="cx"> double timestamp = monotonicallyIncreasingTime();
</span><span class="cx"> HistoricalVelocityData::VelocityData velocityData;
</span><span class="cx"> if (!isStableState)
</span><span class="lines">@@ -366,16 +370,32 @@
</span><span class="cx"> _historicalKinematicData.clear();
</span><span class="cx">
</span><span class="cx"> FloatRect fixedPositionRectForLayout = _page->computeCustomFixedPositionRect(unobscuredRect, zoomScale, WebPageProxy::UnobscuredRectConstraint::ConstrainedToDocumentRect);
</span><del>- _page->updateVisibleContentRects(visibleRect, unobscuredRect, unobscuredRectInScrollViewCoordinates, fixedPositionRectForLayout, WebCore::FloatSize(obscuredInset),
- zoomScale, isStableState, isChangingObscuredInsetsInteractively, _webView._allowsViewportShrinkToFit, timestamp, velocityData.horizontalVelocity, velocityData.verticalVelocity, velocityData.scaleChangeRate);
</del><span class="cx">
</span><ins>+ VisibleContentRectUpdateInfo visibleContentRectUpdateInfo(
+ visibleRect,
+ unobscuredRect,
+ unobscuredRectInScrollViewCoordinates,
+ fixedPositionRectForLayout,
+ WebCore::FloatSize(obscuredInset),
+ zoomScale,
+ isStableState,
+ isChangingObscuredInsetsInteractively,
+ _webView._allowsViewportShrinkToFit,
+ enclosedInScrollableAncestorView,
+ timestamp,
+ velocityData.horizontalVelocity,
+ velocityData.verticalVelocity,
+ velocityData.scaleChangeRate,
+ downcast<RemoteLayerTreeDrawingAreaProxy>(*drawingArea).lastCommittedLayerTreeTransactionID());
+
+ _page->updateVisibleContentRects(visibleContentRectUpdateInfo);
+
</ins><span class="cx"> RemoteScrollingCoordinatorProxy* scrollingCoordinator = _page->scrollingCoordinatorProxy();
</span><span class="cx"> FloatRect fixedPositionRect = _page->computeCustomFixedPositionRect(_page->unobscuredContentRect(), zoomScale);
</span><span class="cx"> scrollingCoordinator->viewportChangedViaDelegatedScrolling(scrollingCoordinator->rootScrollingNodeID(), fixedPositionRect, zoomScale);
</span><span class="cx">
</span><del>- if (auto drawingArea = _page->drawingArea())
- drawingArea->updateDebugIndicator();
-
</del><ins>+ drawingArea->updateDebugIndicator();
+
</ins><span class="cx"> [self updateFixedClippingView:fixedPositionRect];
</span><span class="cx"> }
</span><span class="cx">
</span></span></pre></div>
<a id="tagsSafari602131SourceWebKit2UIProcessiosWebPageProxyIOSmm"></a>
<div class="modfile"><h4>Modified: tags/Safari-602.1.31/Source/WebKit2/UIProcess/ios/WebPageProxyIOS.mm (200474 => 200475)</h4>
<pre class="diff"><span>
<span class="info">--- tags/Safari-602.1.31/Source/WebKit2/UIProcess/ios/WebPageProxyIOS.mm 2016-05-05 20:34:17 UTC (rev 200474)
+++ tags/Safari-602.1.31/Source/WebKit2/UIProcess/ios/WebPageProxyIOS.mm 2016-05-05 20:40:01 UTC (rev 200475)
</span><span class="lines">@@ -182,18 +182,16 @@
</span><span class="cx"> callback->performCallbackWithReturnValue(beforeText, markedText, selectedText, afterText, location, length);
</span><span class="cx"> }
</span><span class="cx">
</span><del>-void WebPageProxy::updateVisibleContentRects(const WebCore::FloatRect& exposedRect, const WebCore::FloatRect& unobscuredRect, const WebCore::FloatRect& unobscuredRectInScrollViewCoordinates, const WebCore::FloatRect& customFixedPositionRect, const WebCore::FloatSize& obscuredInset, double scale, bool inStableState, bool isChangingObscuredInsetsInteractively, bool allowShrinkToFit, double timestamp, double horizontalVelocity, double verticalVelocity, double scaleChangeRate)
</del><ins>+void WebPageProxy::updateVisibleContentRects(const VisibleContentRectUpdateInfo& visibleContentRectUpdate)
</ins><span class="cx"> {
</span><span class="cx"> if (!isValid())
</span><span class="cx"> return;
</span><span class="cx">
</span><del>- VisibleContentRectUpdateInfo visibleContentRectUpdateInfo(exposedRect, unobscuredRect, unobscuredRectInScrollViewCoordinates, customFixedPositionRect, obscuredInset, scale, inStableState, isChangingObscuredInsetsInteractively, allowShrinkToFit, timestamp, horizontalVelocity, verticalVelocity, scaleChangeRate, downcast<RemoteLayerTreeDrawingAreaProxy>(*drawingArea()).lastCommittedLayerTreeTransactionID());
-
- if (visibleContentRectUpdateInfo == m_lastVisibleContentRectUpdate)
</del><ins>+ if (visibleContentRectUpdate == m_lastVisibleContentRectUpdate)
</ins><span class="cx"> return;
</span><span class="cx">
</span><del>- m_lastVisibleContentRectUpdate = visibleContentRectUpdateInfo;
- m_process->send(Messages::ViewUpdateDispatcher::VisibleContentRectUpdate(m_pageID, visibleContentRectUpdateInfo), 0);
</del><ins>+ m_lastVisibleContentRectUpdate = visibleContentRectUpdate;
+ m_process->send(Messages::ViewUpdateDispatcher::VisibleContentRectUpdate(m_pageID, visibleContentRectUpdate), 0);
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> void WebPageProxy::resendLastVisibleContentRects()
</span></span></pre></div>
<a id="tagsSafari602131SourceWebKit2UIProcessmacRemoteLayerTreeDrawingAreaProxymm"></a>
<div class="modfile"><h4>Modified: tags/Safari-602.1.31/Source/WebKit2/UIProcess/mac/RemoteLayerTreeDrawingAreaProxy.mm (200474 => 200475)</h4>
<pre class="diff"><span>
<span class="info">--- tags/Safari-602.1.31/Source/WebKit2/UIProcess/mac/RemoteLayerTreeDrawingAreaProxy.mm 2016-05-05 20:34:17 UTC (rev 200474)
+++ tags/Safari-602.1.31/Source/WebKit2/UIProcess/mac/RemoteLayerTreeDrawingAreaProxy.mm 2016-05-05 20:40:01 UTC (rev 200475)
</span><span class="lines">@@ -259,6 +259,8 @@
</span><span class="cx"> if (m_webPageProxy.delegatesScrolling()) {
</span><span class="cx"> #if PLATFORM(IOS)
</span><span class="cx"> FloatPoint tiledMapLocation = m_webPageProxy.unobscuredContentRect().location();
</span><ins>+ tiledMapLocation = tiledMapLocation.expandedTo(m_webPageProxy.exposedContentRect().location() + FloatSize(0, 60));
+
</ins><span class="cx"> float absoluteInset = indicatorInset / m_webPageProxy.displayedContentScale();
</span><span class="cx"> tiledMapLocation += FloatSize(absoluteInset, absoluteInset);
</span><span class="cx"> #else
</span></span></pre></div>
<a id="tagsSafari602131SourceWebKit2WebProcessWebPageiosWebPageIOSmm"></a>
<div class="modfile"><h4>Modified: tags/Safari-602.1.31/Source/WebKit2/WebProcess/WebPage/ios/WebPageIOS.mm (200474 => 200475)</h4>
<pre class="diff"><span>
<span class="info">--- tags/Safari-602.1.31/Source/WebKit2/WebProcess/WebPage/ios/WebPageIOS.mm 2016-05-05 20:34:17 UTC (rev 200474)
+++ tags/Safari-602.1.31/Source/WebKit2/WebProcess/WebPage/ios/WebPageIOS.mm 2016-05-05 20:40:01 UTC (rev 200475)
</span><span class="lines">@@ -2966,7 +2966,8 @@
</span><span class="cx"> viewportConfigurationChanged();
</span><span class="cx">
</span><span class="cx"> frameView.setUnobscuredContentSize(visibleContentRectUpdateInfo.unobscuredContentRect().size());
</span><del>- frameView.platformSetObscuredInset(visibleContentRectUpdateInfo.obscuredInset());
</del><ins>+ m_page->setObscuredInset(visibleContentRectUpdateInfo.obscuredInset());
+ m_page->setEnclosedInScrollableAncestorView(visibleContentRectUpdateInfo.enclosedInScrollableAncestorView());
</ins><span class="cx">
</span><span class="cx"> double horizontalVelocity = visibleContentRectUpdateInfo.horizontalVelocity();
</span><span class="cx"> double verticalVelocity = visibleContentRectUpdateInfo.verticalVelocity();
</span></span></pre>
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