Merge lp:~aacid/unity-2d/unity-2d_backport_shell_new_spread_signal into lp:unity-2d

[Albert Astals Cid]

[spread] backport IsShownChanged signal addition in spreadcontrol from unity-2d-shell

[Albert Astals Cid (aacid)]

Can't find a MR from this one, it comes from the unity-tv project and got lost tracing from repo copy to repo copy and branch :-/

[Michał Sawicz (saviq)]

review: Approve

[Michał Sawicz (saviq)]

MR Approval awaiting lift of code freeze.

review: Abstain

=== modified file 'spread/app/spread.xml'
--- spread/app/spread.xml	2011-01-26 19:07:04 +0000
+++ spread/app/spread.xml	2012-02-01 11:46:10 +0000
@@ -52,5 +52,11 @@
                             <dox:d>True if the workspace switcher is visible.</dox:d>
                         </arg>
                 </method>
+                <signal name="IsShownChanged">
+                        <dox:d>Signals when the workspaces switcher appears or disappears</dox:d>
+                        <arg name="IsShown" type="b" direction="out">
+                                <dox:d>True if the workspace switcher is visible</dox:d>
+                        </arg>
+                </signal>
         </interface>
 </node>

=== modified file 'spread/app/spreadcontrol.cpp'
--- spread/app/spreadcontrol.cpp	2011-03-17 17:28:31 +0000
+++ spread/app/spreadcontrol.cpp	2012-02-01 11:46:10 +0000
@@ -36,7 +36,10 @@
 void
 SpreadControl::setIsShown(bool isShown)
 {
-    m_isShown = isShown;
+    if (isShown != m_isShown) {
+        m_isShown = isShown;
+        Q_EMIT IsShownChanged(isShown);
+    }
     if (m_isShown) {
         m_launcherClient->beginForceVisible();
     } else {

=== modified file 'spread/app/spreadcontrol.h'
--- spread/app/spreadcontrol.h	2011-03-17 16:05:29 +0000
+++ spread/app/spreadcontrol.h	2012-02-01 11:46:10 +0000
@@ -53,6 +53,7 @@
     void showCurrentWorkspace(QString applicationDesktopFile);
     void filterByApplication(QString applicationDesktopFile);
     void hide();
+    void IsShownChanged(bool isShown);
 
 private:
     bool m_isShown;