Merge lp:~fboucault/unity-2d/fix_dash_crash_817896 into lp:unity-2d/3.0

[Florian Boucault]

[dash] Fixed crash when closing dash due to Qt bug https://bugreports.qt.nokia.com/browse/QTBUG-20692

[Bob The Builder (bobthebuilder-deactivatedaccount)]

No approved revision specified.

[Gerry Boland (gerboland)]

Nice find!

review: Approve

=== modified file 'places/dash.qml'
--- places/dash.qml	2011-07-27 19:02:12 +0000
+++ places/dash.qml	2011-08-02 10:39:45 +0000
@@ -33,7 +33,19 @@
     /* Unload the current page when closing the dash */
     Connections {
         target: dashView
-        onActiveChanged: if (!dashView.active) pageLoader.source = ""
+        onActiveChanged: {
+            if (!dashView.active) {
+                /* FIXME: currentPage needs to stop pointing to pageLoader.item
+                          that is about to be invalidated otherwise a crash
+                          occurs because SearchEntry has a binding that refers
+                          to currentPage and tries to access it.
+                   Ref.: https://bugs.launchpad.net/ubuntu/+source/unity-2d/+bug/817896
+                         https://bugreports.qt.nokia.com/browse/QTBUG-20692
+                */
+                currentPage = undefined
+                pageLoader.source = ""
+            }
+        }
     }
 
     function activatePage(page) {