Merge lp:~mterry/ubuntu-system-settings/shutdown-dialog-in-wizard-rtm into lp:ubuntu-system-settings/rtm-14.09

[Michael Terry]

When the power button is held down, show the shutdown dialog like we do in the unity8 shell.

When the power button is held down, show the shutdown dialog like we do in the unity8 shell.

== Checklist ==

 * Is your branch in sync with latest trunk (e.g. bzr pull lp:trunk -> no changes)
 Yes

 * Did you build your software in a clean sbuild/pbuilder chroot or ppa?
 NA, just qml changes

 * Did you build your software in a clean sbuild/pbuilder armhf chroot or ppa?
 NA, just qml changes

 * Has your component "TestPlan” been executed successfully on emulator, N4?
 Yes

 * Has a 5 minute exploratory testing run been executed on N4?
 Yes

 * If you changed the packaging (debian), did you subscribe a core-dev to this MP?
 NA

 * If you changed the UI, did you subscribe the design-reviewers to this MP?
 NA

 * What components might get impacted by your changes?
 Just the wizard

 * Have you requested review by the teams of these owning components?
 Yup

=== modified file 'wizard/qml/main.qml'
--- wizard/qml/main.qml	2014-09-29 20:45:30 +0000
+++ wizard/qml/main.qml	2014-10-31 14:21:33 +0000
@@ -20,13 +20,16 @@
 import Ubuntu.SystemSettings.SecurityPrivacy 1.0
 import Unity.Application 0.1
 import Unity.Notifications 1.0 as NotificationBackend
+import Unity.Session 0.1
 import "Components"
 import "file:///usr/share/unity8/Notifications" as Notifications // FIXME This should become a module or go away
+import "file:///usr/share/unity8/Components" as UnityComponents
 
 Item {
     id: root
     width: units.gu(40)
     height: units.gu(71)
+    focus: true
 
     // These should be set by a security page and we apply the settings when
     // the user exits the wizard.
@@ -191,4 +194,53 @@
             }
         ]
     }
+
+    UnityComponents.Dialogs {
+        id: dialogs
+        anchors.fill: parent
+        z: 10
+        onPowerOffClicked: {
+            shutdownFadeOutRectangle.enabled = true;
+            shutdownFadeOutRectangle.visible = true;
+            shutdownFadeOut.start();
+        }
+    }
+
+    Rectangle {
+        id: shutdownFadeOutRectangle
+        z: dialogs.z + 10
+        enabled: false
+        visible: false
+        color: "black"
+        anchors.fill: parent
+        opacity: 0.0
+        NumberAnimation on opacity {
+            id: shutdownFadeOut
+            from: 0.0
+            to: 1.0
+            onStopped: {
+                if (shutdownFadeOutRectangle.enabled && shutdownFadeOutRectangle.visible) {
+                    DBusUnitySessionService.Shutdown();
+                }
+            }
+        }
+    }
+
+    Keys.onPressed: {
+        if (event.key == Qt.Key_PowerOff || event.key == Qt.Key_PowerDown) {
+            dialogs.onPowerKeyPressed();
+            event.accepted = true;
+        } else {
+            event.accepted = false;
+        }
+    }
+
+    Keys.onReleased: {
+        if (event.key == Qt.Key_PowerOff || event.key == Qt.Key_PowerDown) {
+            dialogs.onPowerKeyReleased();
+            event.accepted = true;
+        } else {
+            event.accepted = false;
+        }
+    }
 }