Title: [184263] branches/safari-601.1.32-branch/Source/WebInspectorUI

Diff

Modified: branches/safari-601.1.32-branch/Source/WebInspectorUI/ChangeLog (184262 => 184263)


--- branches/safari-601.1.32-branch/Source/WebInspectorUI/ChangeLog	2015-05-13 05:31:25 UTC (rev 184262)
+++ branches/safari-601.1.32-branch/Source/WebInspectorUI/ChangeLog	2015-05-13 05:33:03 UTC (rev 184263)
@@ -2,27 +2,89 @@
 Dana Burkart  <[email protected]
 [email protected]>
 
-        Merge r184108. rdar://problem/20903134
+        Merge r184130. rdar://problem/20829494
 
     2015-05-11  Timothy Hatcher  <[email protected]>
 
-            Web Inspector: NavigationSidebarPanel leaks some event listeners
-            https://bugs.webkit.org/show_bug.cgi?id=144523
+            Web Inspector: REGRESSION (Tabs): Issues reloading a resource with breakpoints
+            https://bugs.webkit.org/show_bug.cgi?id=144650
 
-            Reviewed by Joseph Pecoraro.
+            Fix a number of issues with Debugger tab and navigation/reloading:
+            - Close old content views in the Debugger tab when main frame navigates.
+            - Prune old resource tree elements before attempting to restore a cookie that might match an old resource.
+            - Allow breakpoint selections to be restored from a saved cookie.
+            - Fix an assert when closing a content view that isn't the current index, but is the current view.
+            - Avoid calling closed() multiple times when a ContentView is in the back/forward list more than once.
+            - Make restoreStateFromCookie properly set and use the causedByNavigation argument for a longer restore delay.
+            - Create a new cookie object per tab instead of it being cumulative from the previous cookie.
 
+            Reviewed by Brian Burg.
+
+            * UserInterface/Base/Main.js:
+            (WebInspector._mainResourceDidChange): Delay calling _restoreCookieForOpenTabs to give time for sidebars
+            and tabs to respond to the main resource change.
+            (WebInspector._restoreCookieForOpenTabs): Rename causedByReload to causedByNavigation. Nothing special about
+            reload since we restore on all navigation.
+
+            * UserInterface/Views/ContentView.js:
+            (WebInspector.ContentView): Support Breakpoint as a represented object, which happens during a cookie restore.
+            (WebInspector.ContentView.isViewable): Ditto.
+
+            * UserInterface/Views/ContentViewContainer.js:
+            (WebInspector.ContentViewContainer.prototype.closeAllContentViews): Disassociate if the view is current and not just
+            the current entry index. This matches other close functions. This fixes an assert in _disassociateFromContentView.
+            (WebInspector.ContentViewContainer.prototype._disassociateFromContentView): Don't disassociate multiple times. This
+            avoids calling the closed() function on a view more than once.
+
+            * UserInterface/Views/DebuggerSidebarPanel.js:
+            (WebInspector.DebuggerSidebarPanel.prototype.saveStateToCookie):
+            (WebInspector.DebuggerSidebarPanel.prototype._mainResourceDidChange): Renamed from _mainResourceChanged.
+            Close all content views if this is the main frame. Also prune all old resources. Doing this now avoids a flash
+            of having old and new resources in the tree caused by the default delay in NavigationSidebarPanel's _checkForOldResources.
+
             * UserInterface/Views/NavigationSidebarPanel.js:
-            (WebInspector.NavigationSidebarPanel):
-            (WebInspector.NavigationSidebarPanel.prototype.closed):
-            * UserInterface/Views/ResourceSidebarPanel.js:
-            (WebInspector.ResourceSidebarPanel.prototype.closed):
-            * UserInterface/Views/SearchSidebarPanel.js:
-            (WebInspector.SearchSidebarPanel.prototype.closed):
-            * UserInterface/Views/StorageSidebarPanel.js:
-            (WebInspector.StorageSidebarPanel.prototype.closed):
-            * UserInterface/Views/TimelineSidebarPanel.js:
-            (WebInspector.TimelineSidebarPanel.prototype.closed):
+            (WebInspector.NavigationSidebarPanel): Set _autoPruneOldTopLevelResourceTreeElements for later.
+            (WebInspector.NavigationSidebarPanel.prototype.get contentTreeOutlineToAutoPrune): Deleted.
+            (WebInspector.NavigationSidebarPanel.prototype.showDefaultContentView): Fix typo.
+            (WebInspector.NavigationSidebarPanel.prototype.showDefaultContentViewForTreeElement): Fix whitespace.
+            (WebInspector.NavigationSidebarPanel.prototype.pruneOldResourceTreeElements): Added. Broken out from
+            _checkForOldResources.delayedWork so it can be called manually. Also check all visible tree outlines.
+            (WebInspector.NavigationSidebarPanel.prototype._treeElementAddedOrChanged): Pass treeElement in an array.
+            (WebInspector.NavigationSidebarPanel.prototype._checkForOldResourcesIfNeeded): Added.
+            (WebInspector.NavigationSidebarPanel.prototype._checkForOldResources): Call pruneOldResourceTreeElements on a delay.
+            (WebInspector.NavigationSidebarPanel.prototype._checkForOldResources.delayedWork): Deleted.
+            (WebInspector.NavigationSidebarPanel.prototype._checkOutlinesForPendingViewStateCookie): Call _checkForOldResourcesIfNeeded.
+            (WebInspector.NavigationSidebarPanel.prototype._checkElementsForPendingViewStateCookie): Remove array folding code.
 
+            * UserInterface/Views/TabContentView.js:
+            (WebInspector.TabContentView.prototype.restoreStateFromCookie): Rename causedByReload to causedByNavigation.
+            (WebInspector.TabContentView.prototype.saveStateToCookie): Don't allow the cookie to build on the old cookie.
+
+    2015-05-12  Dana Burkart
+    Dana Burkart  <[email protected]
+    [email protected]>
+
+            Merge r184108. rdar://problem/20903134
+
+        2015-05-11  Timothy Hatcher  <[email protected]>
+
+                Web Inspector: NavigationSidebarPanel leaks some event listeners
+                https://bugs.webkit.org/show_bug.cgi?id=144523
+
+                Reviewed by Joseph Pecoraro.
+
+                * UserInterface/Views/NavigationSidebarPanel.js:
+                (WebInspector.NavigationSidebarPanel):
+                (WebInspector.NavigationSidebarPanel.prototype.closed):
+                * UserInterface/Views/ResourceSidebarPanel.js:
+                (WebInspector.ResourceSidebarPanel.prototype.closed):
+                * UserInterface/Views/SearchSidebarPanel.js:
+                (WebInspector.SearchSidebarPanel.prototype.closed):
+                * UserInterface/Views/StorageSidebarPanel.js:
+                (WebInspector.StorageSidebarPanel.prototype.closed):
+                * UserInterface/Views/TimelineSidebarPanel.js:
+                (WebInspector.TimelineSidebarPanel.prototype.closed):
+
 2015-05-06  Matt Baker  <[email protected]>
 
         Web Inspector: The text in the left pane overlaps the "Filter Time Events" field in the Timeline after the Web Inspector is resized

Modified: branches/safari-601.1.32-branch/Source/WebInspectorUI/UserInterface/Base/Main.js (184262 => 184263)


--- branches/safari-601.1.32-branch/Source/WebInspectorUI/UserInterface/Base/Main.js	2015-05-13 05:31:25 UTC (rev 184262)
+++ branches/safari-601.1.32-branch/Source/WebInspectorUI/UserInterface/Base/Main.js	2015-05-13 05:33:03 UTC (rev 184263)
@@ -1116,7 +1116,9 @@
 
     this._inProvisionalLoad = false;
 
-    this._restoreCookieForOpenTabs();
+    // Run cookie restoration after we are sure all of the Tabs and NavigationSidebarPanels
+    // have updated with respect to the main resource change.
+    setTimeout(this._restoreCookieForOpenTabs.bind(this, true));
 
     this._updateDownloadToolbarButton();
 
@@ -1133,13 +1135,13 @@
     this._inProvisionalLoad = true;
 };
 
-WebInspector._restoreCookieForOpenTabs = function(causedByReload)
+WebInspector._restoreCookieForOpenTabs = function(causedByNavigation)
 {
     for (var tabBarItem of this.tabBar.tabBarItems) {
         var tabContentView = tabBarItem.representedObject;
         if (!(tabContentView instanceof WebInspector.TabContentView))
             continue;
-        tabContentView.restoreStateFromCookie(causedByReload);
+        tabContentView.restoreStateFromCookie(causedByNavigation);
     }
 };
 

Modified: branches/safari-601.1.32-branch/Source/WebInspectorUI/UserInterface/Views/ContentView.js (184262 => 184263)


--- branches/safari-601.1.32-branch/Source/WebInspectorUI/UserInterface/Views/ContentView.js	2015-05-13 05:31:25 UTC (rev 184262)
+++ branches/safari-601.1.32-branch/Source/WebInspectorUI/UserInterface/Views/ContentView.js	2015-05-13 05:33:03 UTC (rev 184263)
@@ -57,6 +57,11 @@
                 return new WebInspector.RenderingFrameTimelineView(representedObject, extraArguments);
         }
 
+        if (representedObject instanceof WebInspector.Breakpoint) {
+            if (representedObject.sourceCodeLocation)
+                return new WebInspector.ContentView(representedObject.sourceCodeLocation.displaySourceCode, extraArguments);
+        }
+
         if (representedObject instanceof WebInspector.DOMStorageObject)
             return new WebInspector.DOMStorageContentView(representedObject, extraArguments);
 
@@ -147,6 +152,8 @@
         return true;
     if (representedObject instanceof WebInspector.Timeline)
         return true;
+    if (representedObject instanceof WebInspector.Breakpoint)
+        return representedObject.sourceCodeLocation;
     if (representedObject instanceof WebInspector.DOMStorageObject)
         return true;
     if (representedObject instanceof WebInspector.CookieStorageObject)

Modified: branches/safari-601.1.32-branch/Source/WebInspectorUI/UserInterface/Views/ContentViewContainer.js (184262 => 184263)


--- branches/safari-601.1.32-branch/Source/WebInspectorUI/UserInterface/Views/ContentViewContainer.js	2015-05-13 05:31:25 UTC (rev 184262)
+++ branches/safari-601.1.32-branch/Source/WebInspectorUI/UserInterface/Views/ContentViewContainer.js	2015-05-13 05:33:03 UTC (rev 184263)
@@ -279,7 +279,7 @@
             return;
         }
 
-        var oldCurrentContentView = this.currentContentView;
+        var visibleContentView = this.currentContentView;
 
         var backForwardListDidChange = false;
         // Hide and disassociate with all the content views that are instances of the constructor.
@@ -288,7 +288,7 @@
             if (!(entry.contentView instanceof constructor))
                 continue;
 
-            if (entry.contentView === oldCurrentContentView)
+            if (entry.contentView === visibleContentView)
                 this._hideEntry(entry);
 
             if (this._currentIndex >= i) {
@@ -307,7 +307,7 @@
         var currentEntry = this.currentBackForwardEntry;
         console.assert(currentEntry || (!currentEntry && this._currentIndex === -1));
 
-        if (currentEntry && currentEntry.contentView !== oldCurrentContentView || backForwardListDidChange) {
+        if (currentEntry && currentEntry.contentView !== visibleContentView || backForwardListDidChange) {
             this._showEntry(currentEntry, true);
             this.dispatchEventToListeners(WebInspector.ContentViewContainer.Event.CurrentContentViewDidChange);
         }
@@ -335,7 +335,7 @@
             return;
         }
 
-        var oldCurrentContentView = this.currentContentView;
+        var visibleContentView = this.currentContentView;
 
         var backForwardListDidChange = false;
         // Hide and disassociate with all the content views that are the same as contentViewToClose.
@@ -344,7 +344,7 @@
             if (entry.contentView !== contentViewToClose)
                 continue;
 
-            if (entry.contentView === oldCurrentContentView)
+            if (entry.contentView === visibleContentView)
                 this._hideEntry(entry);
 
             if (this._currentIndex >= i) {
@@ -363,7 +363,7 @@
         var currentEntry = this.currentBackForwardEntry;
         console.assert(currentEntry || (!currentEntry && this._currentIndex === -1));
 
-        if (currentEntry && currentEntry.contentView !== oldCurrentContentView || backForwardListDidChange) {
+        if (currentEntry && currentEntry.contentView !== visibleContentView || backForwardListDidChange) {
             this._showEntry(currentEntry, true);
             this.dispatchEventToListeners(WebInspector.ContentViewContainer.Event.CurrentContentViewDidChange);
         }
@@ -376,10 +376,12 @@
             return;
         }
 
+        var visibleContentView = this.currentContentView;
+
         // Hide and disassociate with all the content views.
         for (var i = 0; i < this._backForwardList.length; ++i) {
             var entry = this._backForwardList[i];
-            if (i === this._currentIndex)
+            if (entry.contentView === visibleContentView)
                 this._hideEntry(entry);
             this._disassociateFromContentView(entry.contentView);
         }
@@ -450,6 +452,9 @@
     {
         console.assert(!contentView.visible);
 
+        if (!contentView._parentContainer)
+            return;
+
         contentView._parentContainer = null;
 
         var representedObject = contentView.representedObject;

Modified: branches/safari-601.1.32-branch/Source/WebInspectorUI/UserInterface/Views/DebuggerSidebarPanel.js (184262 => 184263)


--- branches/safari-601.1.32-branch/Source/WebInspectorUI/UserInterface/Views/DebuggerSidebarPanel.js	2015-05-13 05:31:25 UTC (rev 184262)
+++ branches/safari-601.1.32-branch/Source/WebInspectorUI/UserInterface/Views/DebuggerSidebarPanel.js	2015-05-13 05:33:03 UTC (rev 184263)
@@ -31,7 +31,7 @@
 
         this.contentBrowser = contentBrowser;
 
-        WebInspector.Frame.addEventListener(WebInspector.Frame.Event.MainResourceDidChange, this._mainResourceChanged, this);
+        WebInspector.Frame.addEventListener(WebInspector.Frame.Event.MainResourceDidChange, this._mainResourceDidChange, this);
         WebInspector.Frame.addEventListener(WebInspector.Frame.Event.ResourceWasAdded, this._resourceAdded, this);
 
         WebInspector.debuggerManager.addEventListener(WebInspector.DebuggerManager.Event.BreakpointsEnabledDidChange, this._breakpointsEnabledDidChange, this);
@@ -227,11 +227,15 @@
 
         var representedObject = selectedTreeElement.representedObject;
 
-        if (representedObject === WebInspector.debuggerManager.allExceptionsBreakpoint)
+        if (representedObject === WebInspector.debuggerManager.allExceptionsBreakpoint) {
             cookie[WebInspector.DebuggerSidebarPanel.SelectedAllExceptionsCookieKey] = true;
+            return;
+        }
 
-        if (representedObject === WebInspector.debuggerManager.allUncaughtExceptionsBreakpoint)
+        if (representedObject === WebInspector.debuggerManager.allUncaughtExceptionsBreakpoint) {
             cookie[WebInspector.DebuggerSidebarPanel.SelectedAllUncaughtExceptionsCookieKey] = true;
+            return;
+        }
 
         super.saveStateToCookie(cookie);
     }
@@ -378,8 +382,16 @@
         this._addIssuesForSourceCode(resource);
     }
 
-    _mainResourceChanged(event)
+    _mainResourceDidChange(event)
     {
+        if (event.target.isMainFrame()) {
+            // Aggressively prune resources now so the old resources are removed before
+            // the new main resource is added below. This avoids a visual flash when the
+            // prune normally happens on a later event loop cycle.
+            this.pruneStaleResourceTreeElements();
+            this.contentBrowser.contentViewContainer.closeAllContentViews();
+        }
+
         var resource = event.target.mainResource;
         this._addTreeElementForSourceCodeToContentTreeOutline(resource);
         this._addBreakpointsForSourceCode(resource);

Modified: branches/safari-601.1.32-branch/Source/WebInspectorUI/UserInterface/Views/NavigationSidebarPanel.js (184262 => 184263)


--- branches/safari-601.1.32-branch/Source/WebInspectorUI/UserInterface/Views/NavigationSidebarPanel.js	2015-05-13 05:31:25 UTC (rev 184262)
+++ branches/safari-601.1.32-branch/Source/WebInspectorUI/UserInterface/Views/NavigationSidebarPanel.js	2015-05-13 05:33:03 UTC (rev 184263)
@@ -25,7 +25,7 @@
 
 WebInspector.NavigationSidebarPanel = class NavigationSidebarPanel extends WebInspector.SidebarPanel
 {
-    constructor(identifier, displayName, autoPruneOldTopLevelResourceTreeElements, wantsTopOverflowShadow, element, role, label)
+    constructor(identifier, displayName, shouldAutoPruneStaleTopLevelResourceTreeElements, wantsTopOverflowShadow, element, role, label)
     {
         super(identifier, displayName, element, role, label || displayName);
 
@@ -68,10 +68,12 @@
         this._generateStyleRulesIfNeeded();
         this._generateDisclosureTrianglesIfNeeded();
 
-        if (autoPruneOldTopLevelResourceTreeElements) {
-            WebInspector.Frame.addEventListener(WebInspector.Frame.Event.MainResourceDidChange, this._checkForOldResources, this);
-            WebInspector.Frame.addEventListener(WebInspector.Frame.Event.ChildFrameWasRemoved, this._checkForOldResources, this);
-            WebInspector.Frame.addEventListener(WebInspector.Frame.Event.ResourceWasRemoved, this._checkForOldResources, this);
+        this._shouldAutoPruneStaleTopLevelResourceTreeElements = shouldAutoPruneStaleTopLevelResourceTreeElements || false;
+
+        if (this._shouldAutoPruneStaleTopLevelResourceTreeElements) {
+            WebInspector.Frame.addEventListener(WebInspector.Frame.Event.MainResourceDidChange, this._checkForStaleResources, this);
+            WebInspector.Frame.addEventListener(WebInspector.Frame.Event.ChildFrameWasRemoved, this._checkForStaleResources, this);
+            WebInspector.Frame.addEventListener(WebInspector.Frame.Event.ResourceWasRemoved, this._checkForStaleResources, this);
         }
     }
 
@@ -121,11 +123,6 @@
         this._updateFilter();
     }
 
-    get contentTreeOutlineToAutoPrune()
-    {
-        return this._contentTreeOutline;
-    }
-
     get visibleContentTreeOutlines()
     {
         return this._visibleContentTreeOutlines;
@@ -186,7 +183,7 @@
 
     showDefaultContentView()
     {
-        // Implemneted by subclasses if needed to show a content view when no existing tree element is selected.
+        // Implemented by subclasses if needed to show a content view when no existing tree element is selected.
     }
 
     showDefaultContentViewForTreeElement(treeElement)
@@ -195,6 +192,7 @@
         console.assert(treeElement.representedObject);
         if (!treeElement || !treeElement.representedObject)
             return;
+
         this.contentBrowser.showContentViewForRepresentedObject(treeElement.representedObject);
         treeElement.revealAndSelect(true, false, true, true);
     }
@@ -417,6 +415,31 @@
         this._updateContentOverflowShadowVisibility();
     }
 
+    // Protected
+
+    pruneStaleResourceTreeElements()
+    {
+        if (this._checkForStaleResourcesTimeoutIdentifier) {
+            clearTimeout(this._checkForStaleResourcesTimeoutIdentifier);
+            this._checkForStaleResourcesTimeoutIdentifier = undefined;
+        }
+
+        for (var contentTreeOutline of this._visibleContentTreeOutlines) {
+            // Check all the ResourceTreeElements at the top level to make sure their Resource still has a parentFrame in the frame hierarchy.
+            // If the parentFrame is no longer in the frame hierarchy we know it was removed due to a navigation or some other page change and
+            // we should remove the issues for that resource.
+            for (var i = contentTreeOutline.children.length - 1; i >= 0; --i) {
+                var treeElement = contentTreeOutline.children[i];
+                if (!(treeElement instanceof WebInspector.ResourceTreeElement))
+                    continue;
+
+                var resource = treeElement.resource;
+                if (!resource.parentFrame || resource.parentFrame.isDetached())
+                    contentTreeOutline.removeChildAtIndex(i, true, true);
+            }
+        }
+    }
+
     // Private
     
     _updateContentOverflowShadowVisibilitySoon()
@@ -531,7 +554,7 @@
         this._updateContentOverflowShadowVisibilitySoon();
 
         if (this.selected)
-            this._checkElementsForPendingViewStateCookie(treeElement);
+            this._checkElementsForPendingViewStateCookie([treeElement]);
 
         this.treeElementAddedOrChanged(treeElement);
     }
@@ -588,36 +611,22 @@
         generateColoredImagesForCSS("Images/DisclosureTriangleSmallClosed.svg", specifications, 13, 13, WebInspector.NavigationSidebarPanel.DisclosureTriangleClosedCanvasIdentifier);
     }
 
-    _checkForOldResources(event)
+    _checkForStaleResourcesIfNeeded()
     {
-        if (this._checkForOldResourcesTimeoutIdentifier)
+        if (!this._checkForStaleResourcesTimeoutIdentifier || !this._shouldAutoPruneStaleTopLevelResourceTreeElements)
             return;
+        this.pruneStaleResourceTreeElements();
+    }
 
-        function delayedWork()
-        {
-            delete this._checkForOldResourcesTimeoutIdentifier;
+    _checkForStaleResources(event)
+    {
+        console.assert(this._shouldAutoPruneStaleTopLevelResourceTreeElements);
 
-            var contentTreeOutline = this.contentTreeOutlineToAutoPrune;
+        if (this._checkForStaleResourcesTimeoutIdentifier)
+            return;
 
-            // Check all the ResourceTreeElements at the top level to make sure their Resource still has a parentFrame in the frame hierarchy.
-            // If the parentFrame is no longer in the frame hierarchy we know it was removed due to a navigation or some other page change and
-            // we should remove the issues for that resource.
-            for (var i = contentTreeOutline.children.length - 1; i >= 0; --i) {
-                var treeElement = contentTreeOutline.children[i];
-                if (!(treeElement instanceof WebInspector.ResourceTreeElement))
-                    continue;
-
-                var resource = treeElement.resource;
-                if (!resource.parentFrame || resource.parentFrame.isDetached())
-                    contentTreeOutline.removeChildAtIndex(i, true, true);
-            }
-
-            if (typeof this._updateEmptyContentPlaceholder === "function")
-                this._updateEmptyContentPlaceholder();
-        }
-
-        // Check on a delay to coalesce multiple calls to _checkForOldResources.
-        this._checkForOldResourcesTimeoutIdentifier = setTimeout(delayedWork.bind(this), 0);
+        // Check on a delay to coalesce multiple calls to _checkForStaleResources.
+        this._checkForStaleResourcesTimeoutIdentifier = setTimeout(this.pruneStaleResourceTreeElements.bind(this));
     }
 
     _isTreeElementWithoutRepresentedObject(treeElement)
@@ -633,6 +642,8 @@
         if (!this._pendingViewStateCookie)
             return;
 
+        this._checkForStaleResourcesIfNeeded();
+
         var visibleTreeElements = [];
         this._visibleContentTreeOutlines.forEach(function(outline) {
             var currentTreeElement = outline.hasChildren ? outline.children[0] : null;
@@ -678,9 +689,6 @@
             });
         }
 
-        if (!(treeElements instanceof Array))
-            treeElements = [treeElements];
-
         var matchedElement = null;
         treeElements.some(function(element) {
             if (treeElementMatchesCookie.call(this, element)) {

Modified: branches/safari-601.1.32-branch/Source/WebInspectorUI/UserInterface/Views/TabContentView.js (184262 => 184263)


--- branches/safari-601.1.32-branch/Source/WebInspectorUI/UserInterface/Views/TabContentView.js	2015-05-13 05:31:25 UTC (rev 184262)
+++ branches/safari-601.1.32-branch/Source/WebInspectorUI/UserInterface/Views/TabContentView.js	2015-05-13 05:33:03 UTC (rev 184263)
@@ -107,15 +107,15 @@
         return false;
     },
 
-    restoreStateFromCookie: function(causedByReload)
+    restoreStateFromCookie: function(causedByNavigation)
     {
         if (!this.navigationSidebarPanel)
             return;
 
-        var matchTypeOnlyDelayForReload = 2000;
+        var matchTypeOnlyDelayForNavigation = 2000;
         var matchTypeOnlyDelayForReopen = 1000;
 
-        var relaxMatchDelay = causedByReload ? matchTypeOnlyDelayForReload : matchTypeOnlyDelayForReopen;
+        var relaxMatchDelay = causedByNavigation ? matchTypeOnlyDelayForNavigation : matchTypeOnlyDelayForReopen;
         this.navigationSidebarPanel.restoreStateFromCookie(this._cookieSetting.value || {}, relaxMatchDelay);
     },
 
@@ -124,7 +124,7 @@
         if (!this.navigationSidebarPanel)
             return;
 
-        var cookie = this._cookieSetting.value || {};
+        var cookie = {};
         this.navigationSidebarPanel.saveStateToCookie(cookie);
         this._cookieSetting.value = cookie;
     },
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