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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/201210">201210</a></dd>
<dt>Author</dt> <dd>commit-queue@webkit.org</dd>
<dt>Date</dt> <dd>2016-05-19 23:31:47 -0700 (Thu, 19 May 2016)</dd>
</dl>

<h3>Log Message</h3>
<pre>Web Inspector: Main Resource with &lt;scripts&gt; not showing up in debugger sidebar after reload
https://bugs.webkit.org/show_bug.cgi?id=157939
&lt;rdar://problem/26385691&gt;

Patch by Joseph Pecoraro &lt;pecoraro@apple.com&gt; on 2016-05-19
Reviewed by Timothy Hatcher.

The order of events on a reload are:

    - MainResourceChanged, add main resource
    - ScriptsCleared, remove all elements

This change makes it so ScriptsCleared add the main resource (and
potentially other resources). This also avoids the work in
MainResourceChanged on reloads / navigations that would be wasted if
ScriptsCleared were to just remove it. However, this is still needed
for initial load where ScriptsCleared does not happen.

* UserInterface/Views/DebuggerSidebarPanel.js:
(WebInspector.DebuggerSidebarPanel.prototype._mainResourceDidChange):
Only add the main resource tree here when we are first loading.

(WebInspector.DebuggerSidebarPanel.prototype._scriptsCleared):
Add the main resource tree after we remove all children in navigations.

* UserInterface/Views/NavigationSidebarPanel.js:
(WebInspector.NavigationSidebarPanel.prototype._contentTreeOutlineTreeSelectionDidChange):
This was not gracefully handling if there was no selected tree element.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebInspectorUIChangeLog">trunk/Source/WebInspectorUI/ChangeLog</a></li>
<li><a href="#trunkSourceWebInspectorUIUserInterfaceViewsDebuggerSidebarPaneljs">trunk/Source/WebInspectorUI/UserInterface/Views/DebuggerSidebarPanel.js</a></li>
<li><a href="#trunkSourceWebInspectorUIUserInterfaceViewsNavigationSidebarPaneljs">trunk/Source/WebInspectorUI/UserInterface/Views/NavigationSidebarPanel.js</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebInspectorUIChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebInspectorUI/ChangeLog (201209 => 201210)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebInspectorUI/ChangeLog        2016-05-20 04:13:33 UTC (rev 201209)
+++ trunk/Source/WebInspectorUI/ChangeLog        2016-05-20 06:31:47 UTC (rev 201210)
</span><span class="lines">@@ -1,5 +1,35 @@
</span><span class="cx"> 2016-05-19  Joseph Pecoraro  &lt;pecoraro@apple.com&gt;
</span><span class="cx"> 
</span><ins>+        Web Inspector: Main Resource with &lt;scripts&gt; not showing up in debugger sidebar after reload
+        https://bugs.webkit.org/show_bug.cgi?id=157939
+        &lt;rdar://problem/26385691&gt;
+
+        Reviewed by Timothy Hatcher.
+
+        The order of events on a reload are:
+
+            - MainResourceChanged, add main resource
+            - ScriptsCleared, remove all elements
+
+        This change makes it so ScriptsCleared add the main resource (and
+        potentially other resources). This also avoids the work in
+        MainResourceChanged on reloads / navigations that would be wasted if
+        ScriptsCleared were to just remove it. However, this is still needed
+        for initial load where ScriptsCleared does not happen.
+
+        * UserInterface/Views/DebuggerSidebarPanel.js:
+        (WebInspector.DebuggerSidebarPanel.prototype._mainResourceDidChange):
+        Only add the main resource tree here when we are first loading.
+
+        (WebInspector.DebuggerSidebarPanel.prototype._scriptsCleared):
+        Add the main resource tree after we remove all children in navigations.
+
+        * UserInterface/Views/NavigationSidebarPanel.js:
+        (WebInspector.NavigationSidebarPanel.prototype._contentTreeOutlineTreeSelectionDidChange):
+        This was not gracefully handling if there was no selected tree element.
+
+2016-05-19  Joseph Pecoraro  &lt;pecoraro@apple.com&gt;
+
</ins><span class="cx">         Web Inspector: Visual Style connectors are not always centered properly
</span><span class="cx">         https://bugs.webkit.org/show_bug.cgi?id=157932
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebInspectorUIUserInterfaceViewsDebuggerSidebarPaneljs"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebInspectorUI/UserInterface/Views/DebuggerSidebarPanel.js (201209 => 201210)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebInspectorUI/UserInterface/Views/DebuggerSidebarPanel.js        2016-05-20 04:13:33 UTC (rev 201209)
+++ trunk/Source/WebInspectorUI/UserInterface/Views/DebuggerSidebarPanel.js        2016-05-20 06:31:47 UTC (rev 201210)
</span><span class="lines">@@ -423,10 +423,12 @@
</span><span class="cx">             this.contentBrowser.contentViewContainer.closeAllContentViews();
</span><span class="cx">         }
</span><span class="cx"> 
</span><del>-        var resource = event.target.mainResource;
-        this._addTreeElementForSourceCodeToTreeOutline(resource, this._scriptsContentTreeOutline);
-        this._addBreakpointsForSourceCode(resource);
-        this._addIssuesForSourceCode(resource);
</del><ins>+        if (!event.data.oldMainResource) {
+            var resource = event.target.mainResource;
+            this._addTreeElementForSourceCodeToTreeOutline(resource, this._scriptsContentTreeOutline);
+            this._addBreakpointsForSourceCode(resource);
+            this._addIssuesForSourceCode(resource);
+        }
</ins><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     _timelineCapturingWillStart(event)
</span><span class="lines">@@ -500,6 +502,8 @@
</span><span class="cx">         }
</span><span class="cx"> 
</span><span class="cx">         this._scriptsContentTreeOutline.removeChildren();
</span><ins>+
+        this._addResourcesRecursivelyForFrame(WebInspector.frameResourceManager.mainFrame);
</ins><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     _breakpointAdded(event)
</span></span></pre></div>
<a id="trunkSourceWebInspectorUIUserInterfaceViewsNavigationSidebarPaneljs"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebInspectorUI/UserInterface/Views/NavigationSidebarPanel.js (201209 => 201210)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebInspectorUI/UserInterface/Views/NavigationSidebarPanel.js        2016-05-20 04:13:33 UTC (rev 201209)
+++ trunk/Source/WebInspectorUI/UserInterface/Views/NavigationSidebarPanel.js        2016-05-20 06:31:47 UTC (rev 201210)
</span><span class="lines">@@ -674,8 +674,10 @@
</span><span class="cx"> 
</span><span class="cx">         // Prevent two selections in the sidebar, if the selected tree outline is changing.
</span><span class="cx">         let treeOutline = selectedElement.treeOutline;
</span><del>-        if (this._selectedContentTreeOutline &amp;&amp; this._selectedContentTreeOutline !== treeOutline)
-            this._selectedContentTreeOutline.selectedTreeElement.deselect();
</del><ins>+        if (this._selectedContentTreeOutline &amp;&amp; this._selectedContentTreeOutline !== treeOutline) {
+            if (this._selectedContentTreeOutline.selectedTreeElement)
+                this._selectedContentTreeOutline.selectedTreeElement.deselect();
+        }
</ins><span class="cx"> 
</span><span class="cx">         treeOutline[WebInspector.NavigationSidebarPanel.PreviousSelectedTreeElementSymbol] = null;
</span><span class="cx">         this._selectedContentTreeOutline = treeOutline;
</span></span></pre>
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