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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/207600">207600</a></dd>
<dt>Author</dt> <dd>matthew_hanson@apple.com</dd>
<dt>Date</dt> <dd>2016-10-20 02:59:35 -0700 (Thu, 20 Oct 2016)</dd>
</dl>

<h3>Log Message</h3>
<pre>Merge <a href="http://trac.webkit.org/projects/webkit/changeset/206247">r206247</a>. rdar://problem/28216256</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#branchessafari602branchSourceWebKit2ChangeLog">branches/safari-602-branch/Source/WebKit2/ChangeLog</a></li>
<li><a href="#branchessafari602branchSourceWebKit2WebProcessWebPagemacRemoteLayerTreeDrawingAreah">branches/safari-602-branch/Source/WebKit2/WebProcess/WebPage/mac/RemoteLayerTreeDrawingArea.h</a></li>
<li><a href="#branchessafari602branchSourceWebKit2WebProcessWebPagemacTiledCoreAnimationDrawingAreah">branches/safari-602-branch/Source/WebKit2/WebProcess/WebPage/mac/TiledCoreAnimationDrawingArea.h</a></li>
<li><a href="#branchessafari602branchSourceWebKit2WebProcessWebPagemacTiledCoreAnimationDrawingAreamm">branches/safari-602-branch/Source/WebKit2/WebProcess/WebPage/mac/TiledCoreAnimationDrawingArea.mm</a></li>
<li><a href="#branchessafari602branchToolsChangeLog">branches/safari-602-branch/Tools/ChangeLog</a></li>
<li><a href="#branchessafari602branchToolsTestWebKitAPITestsWebKit2CocoaAutoLayoutIntegrationmm">branches/safari-602-branch/Tools/TestWebKitAPI/Tests/WebKit2Cocoa/AutoLayoutIntegration.mm</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="branchessafari602branchSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: branches/safari-602-branch/Source/WebKit2/ChangeLog (207599 => 207600)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-602-branch/Source/WebKit2/ChangeLog        2016-10-20 09:59:31 UTC (rev 207599)
+++ branches/safari-602-branch/Source/WebKit2/ChangeLog        2016-10-20 09:59:35 UTC (rev 207600)
</span><span class="lines">@@ -1,5 +1,31 @@
</span><span class="cx"> 2016-10-20  Matthew Hanson  &lt;matthew_hanson@apple.com&gt;
</span><span class="cx"> 
</span><ins>+        Merge r206247. rdar://problem/28216256
+
+    2016-09-21  Dan Bernstein  &lt;mitz@apple.com&gt;
+
+            [macOS] Upon layout, _webView:renderingProgressDidChange: fires before the intrinsic content size is updated
+            https://bugs.webkit.org/show_bug.cgi?id=162359
+            &lt;rdar://problem/27776454&gt;
+
+            Reviewed by Tim Horton.
+
+            Test: added to TestWebKitAPI/Tests/WebKit2Cocoa/AutoLayoutIntegration.mm
+
+            * WebProcess/WebPage/mac/RemoteLayerTreeDrawingArea.h: Fixed a bug where
+              m_pendingNewlyReachedLayoutMilestones was never initialized.
+
+            * WebProcess/WebPage/mac/TiledCoreAnimationDrawingArea.h: Added
+              m_pendingNewlyReachedLayoutMilestones member variable to this derived class as well.
+            * WebProcess/WebPage/mac/TiledCoreAnimationDrawingArea.mm:
+            (WebKit::TiledCoreAnimationDrawingArea::flushLayers): If we have pending milestones, notify
+              the WebPageProxy now, after any content size changes have been sent.
+            (WebKit::TiledCoreAnimationDrawingArea::dispatchDidReachLayoutMilestone): New override that
+              accumulates the milestones into m_pendingNewlyReachedLayoutMilestones and returns true,
+              so that the caller won’t notify the WebPageProxy immediately.
+
+2016-10-20  Matthew Hanson  &lt;matthew_hanson@apple.com&gt;
+
</ins><span class="cx">         Merge r206132. rdar://problem/28634856
</span><span class="cx"> 
</span><span class="cx">     2016-09-19  Anders Carlsson  &lt;andersca@apple.com&gt;
</span></span></pre></div>
<a id="branchessafari602branchSourceWebKit2WebProcessWebPagemacRemoteLayerTreeDrawingAreah"></a>
<div class="modfile"><h4>Modified: branches/safari-602-branch/Source/WebKit2/WebProcess/WebPage/mac/RemoteLayerTreeDrawingArea.h (207599 => 207600)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-602-branch/Source/WebKit2/WebProcess/WebPage/mac/RemoteLayerTreeDrawingArea.h        2016-10-20 09:59:31 UTC (rev 207599)
+++ branches/safari-602-branch/Source/WebKit2/WebProcess/WebPage/mac/RemoteLayerTreeDrawingArea.h        2016-10-20 09:59:35 UTC (rev 207600)
</span><span class="lines">@@ -167,7 +167,7 @@
</span><span class="cx">     uint64_t m_currentTransactionID;
</span><span class="cx">     Vector&lt;RemoteLayerTreeTransaction::TransactionCallbackID&gt; m_pendingCallbackIDs;
</span><span class="cx"> 
</span><del>-    WebCore::LayoutMilestones m_pendingNewlyReachedLayoutMilestones;
</del><ins>+    WebCore::LayoutMilestones m_pendingNewlyReachedLayoutMilestones { 0 };
</ins><span class="cx"> 
</span><span class="cx">     WebCore::GraphicsLayer* m_contentLayer;
</span><span class="cx">     WebCore::GraphicsLayer* m_viewOverlayRootLayer;
</span></span></pre></div>
<a id="branchessafari602branchSourceWebKit2WebProcessWebPagemacTiledCoreAnimationDrawingAreah"></a>
<div class="modfile"><h4>Modified: branches/safari-602-branch/Source/WebKit2/WebProcess/WebPage/mac/TiledCoreAnimationDrawingArea.h (207599 => 207600)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-602-branch/Source/WebKit2/WebProcess/WebPage/mac/TiledCoreAnimationDrawingArea.h        2016-10-20 09:59:31 UTC (rev 207599)
+++ branches/safari-602-branch/Source/WebKit2/WebProcess/WebPage/mac/TiledCoreAnimationDrawingArea.h        2016-10-20 09:59:35 UTC (rev 207600)
</span><span class="lines">@@ -86,6 +86,8 @@
</span><span class="cx"> 
</span><span class="cx">     void attachViewOverlayGraphicsLayer(WebCore::Frame*, WebCore::GraphicsLayer*) override;
</span><span class="cx"> 
</span><ins>+    bool dispatchDidReachLayoutMilestone(WebCore::LayoutMilestones) override;
+
</ins><span class="cx">     // WebCore::LayerFlushSchedulerClient
</span><span class="cx">     bool flushLayers() override;
</span><span class="cx"> 
</span><span class="lines">@@ -154,6 +156,8 @@
</span><span class="cx">     bool m_isScalingViewToFitDocument { false };
</span><span class="cx">     WebCore::IntSize m_lastViewSizeForScaleToFit;
</span><span class="cx">     WebCore::IntSize m_lastDocumentSizeForScaleToFit;
</span><ins>+
+    WebCore::LayoutMilestones m_pendingNewlyReachedLayoutMilestones { 0 };
</ins><span class="cx"> };
</span><span class="cx"> 
</span><span class="cx"> } // namespace WebKit
</span></span></pre></div>
<a id="branchessafari602branchSourceWebKit2WebProcessWebPagemacTiledCoreAnimationDrawingAreamm"></a>
<div class="modfile"><h4>Modified: branches/safari-602-branch/Source/WebKit2/WebProcess/WebPage/mac/TiledCoreAnimationDrawingArea.mm (207599 => 207600)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-602-branch/Source/WebKit2/WebProcess/WebPage/mac/TiledCoreAnimationDrawingArea.mm        2016-10-20 09:59:31 UTC (rev 207599)
+++ branches/safari-602-branch/Source/WebKit2/WebProcess/WebPage/mac/TiledCoreAnimationDrawingArea.mm        2016-10-20 09:59:35 UTC (rev 207600)
</span><span class="lines">@@ -439,6 +439,10 @@
</span><span class="cx">         if (m_transientZoomScale != 1)
</span><span class="cx">             applyTransientZoomToLayers(m_transientZoomScale, m_transientZoomOrigin);
</span><span class="cx"> 
</span><ins>+        if (m_pendingNewlyReachedLayoutMilestones)
+            m_webPage.send(Messages::WebPageProxy::DidReachLayoutMilestone(m_pendingNewlyReachedLayoutMilestones));
+        m_pendingNewlyReachedLayoutMilestones = 0;
+
</ins><span class="cx">         return returnValue;
</span><span class="cx">     }
</span><span class="cx"> }
</span><span class="lines">@@ -864,6 +868,12 @@
</span><span class="cx">     m_layerHostingContext-&gt;setFencePort(fencePort.sendRight());
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+bool TiledCoreAnimationDrawingArea::dispatchDidReachLayoutMilestone(WebCore::LayoutMilestones layoutMilestones)
+{
+    m_pendingNewlyReachedLayoutMilestones |= layoutMilestones;
+    return true;
+}
+
</ins><span class="cx"> } // namespace WebKit
</span><span class="cx"> 
</span><span class="cx"> #endif // !PLATFORM(IOS)
</span></span></pre></div>
<a id="branchessafari602branchToolsChangeLog"></a>
<div class="modfile"><h4>Modified: branches/safari-602-branch/Tools/ChangeLog (207599 => 207600)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-602-branch/Tools/ChangeLog        2016-10-20 09:59:31 UTC (rev 207599)
+++ branches/safari-602-branch/Tools/ChangeLog        2016-10-20 09:59:35 UTC (rev 207600)
</span><span class="lines">@@ -1,5 +1,20 @@
</span><span class="cx"> 2016-10-20  Matthew Hanson  &lt;matthew_hanson@apple.com&gt;
</span><span class="cx"> 
</span><ins>+        Merge r206247. rdar://problem/28216256
+
+    2016-09-21  Dan Bernstein  &lt;mitz@apple.com&gt;
+
+            [macOS] Upon layout, _webView:renderingProgressDidChange: fires before the intrinsic content size is updated
+            https://bugs.webkit.org/show_bug.cgi?id=162359
+            &lt;rdar://problem/27776454&gt;
+
+            Reviewed by Tim Horton.
+
+            * TestWebKitAPI/Tests/WebKit2Cocoa/AutoLayoutIntegration.mm:
+            (TEST):
+
+2016-10-20  Matthew Hanson  &lt;matthew_hanson@apple.com&gt;
+
</ins><span class="cx">         Merge r205326. rdar://problem/28476952
</span><span class="cx"> 
</span><span class="cx">     2016-09-01  Ricky Mondello  &lt;rmondello@apple.com&gt;
</span></span></pre></div>
<a id="branchessafari602branchToolsTestWebKitAPITestsWebKit2CocoaAutoLayoutIntegrationmm"></a>
<div class="modfile"><h4>Modified: branches/safari-602-branch/Tools/TestWebKitAPI/Tests/WebKit2Cocoa/AutoLayoutIntegration.mm (207599 => 207600)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-602-branch/Tools/TestWebKitAPI/Tests/WebKit2Cocoa/AutoLayoutIntegration.mm        2016-10-20 09:59:31 UTC (rev 207599)
+++ branches/safari-602-branch/Tools/TestWebKitAPI/Tests/WebKit2Cocoa/AutoLayoutIntegration.mm        2016-10-20 09:59:35 UTC (rev 207600)
</span><span class="lines">@@ -48,12 +48,11 @@
</span><span class="cx"> @end
</span><span class="cx"> 
</span><span class="cx"> @interface AutoLayoutWKWebView : WKWebView
</span><ins>+@property (nonatomic) BOOL expectingIntrinsicContentSizeChange;
+@property (nonatomic) NSSize expectedIntrinsicContentSize;
</ins><span class="cx"> @end
</span><span class="cx"> 
</span><del>-@implementation AutoLayoutWKWebView {
-    BOOL _expectingIntrinsicContentSizeChange;
-    NSSize _expectedIntrinsicContentSize;
-}
</del><ins>+@implementation AutoLayoutWKWebView
</ins><span class="cx"> 
</span><span class="cx"> - (void)load:(NSString *)HTMLString withWidth:(CGFloat)width expectingContentSize:(NSSize)size
</span><span class="cx"> {
</span><span class="lines">@@ -163,6 +162,33 @@
</span><span class="cx">     }];
</span><span class="cx">     TestWebKitAPI::Util::run(&amp;didEvaluateJavaScript);
</span><span class="cx">     didEvaluateJavaScript = false;
</span><ins>+    [webView _setShouldExpandContentToViewHeightForAutoLayout:NO];
+
+    auto navigationDelegate = adoptNS([[TestNavigationDelegate alloc] init]);
+
+    __block bool didFinishNavigation = false;
+    [navigationDelegate setDidFinishNavigation:^(WKWebView *, WKNavigation *) {
+        didFinishNavigation = true;
+    }];
+    __block bool didFirstLayout = false;
+    [navigationDelegate setRenderingProgressDidChange:^(WKWebView *, _WKRenderingProgressEvents progressEvents) {
+        if (progressEvents &amp; _WKRenderingProgressEventFirstLayout) {
+            didFirstLayout = true;
+            EXPECT_TRUE(didInvalidateIntrinsicContentSize);
+        }
+    }];
+    [webView setNavigationDelegate:navigationDelegate.get()];
+
+    [webView _setMinimumLayoutWidth:100];
+    didInvalidateIntrinsicContentSize = false;
+    [webView setExpectingIntrinsicContentSizeChange:YES];
+    [webView setExpectedIntrinsicContentSize:NSMakeSize(100, 400)];
+    [webView loadHTMLString:@&quot;&lt;body style='margin: 0; height: 400px;'&gt;&lt;/body&gt;&quot; baseURL:nil];
+    TestWebKitAPI::Util::run(&amp;didInvalidateIntrinsicContentSize);
+    EXPECT_FALSE(didFirstLayout);
+    TestWebKitAPI::Util::run(&amp;didFirstLayout);
+    TestWebKitAPI::Util::run(&amp;didFinishNavigation);
+    [webView setNavigationDelegate:nil];
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> #endif
</span></span></pre>
</div>
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