Android: added ApplicationState capability.

The application state is tied to the QtActivity lifecycle.
Mapping of states between Android and Qt is as follows:
 onResume --> ApplicationActive
 onPause  --> ApplicationInactive
 onStop   --> ApplicationSuspended

Change-Id: Iefef08d6c7a7fde28fba1f4886882458cda6a0c0
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@digia.com>
Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@digia.com>

2 files changed, 20 insertions, 0 deletions

diff --git a/src/android/jar/src/org/qtproject/qt5/android/QtActivityDelegate.java b/src/android/jar/src/org/qtproject/qt5/android/QtActivityDelegate.java
index 8d67db7f40..8dc804cce4 100644
--- a/src/android/jar/src/org/qtproject/qt5/android/QtActivityDelegate.java
+++ b/src/android/jar/src/org/qtproject/qt5/android/QtActivityDelegate.java
@@ -160,6 +160,12 @@ public class QtActivityDelegate
     private final int ImhEmailCharactersOnly = 0x200000;
     private final int ImhUrlCharactersOnly = 0x400000;
 
+    // application state
+    private final int ApplicationSuspended = 0x0;
+    private final int ApplicationHidden = 0x1;
+    private final int ApplicationInactive = 0x2;
+    private final int ApplicationActive = 0x4;
+
     public void resetSoftwareKeyboard()
     {
         if (m_imm == null)
@@ -621,6 +627,11 @@ public class QtActivityDelegate
             m_surface.applicationStarted(true);
     }
 
+    public void onPause()
+    {
+        QtNative.updateApplicationState(ApplicationInactive);
+    }
+
     public void onResume()
     {
         // fire all lostActions
@@ -631,12 +642,18 @@ public class QtActivityDelegate
                 m_activity.runOnUiThread(itr.next());
 
             if (m_started) {
+                QtNative.updateApplicationState(ApplicationActive);
                 QtNative.clearLostActions();
                 QtNative.updateWindow();
             }
         }
     }
 
+    public void onStop()
+    {
+        QtNative.updateApplicationState(ApplicationSuspended);
+    }
+
     public Object onRetainNonConfigurationInstance()
     {
         try {
diff --git a/src/android/jar/src/org/qtproject/qt5/android/QtNative.java b/src/android/jar/src/org/qtproject/qt5/android/QtNative.java
index 122fc55aad..51f00a73c6 100644
--- a/src/android/jar/src/org/qtproject/qt5/android/QtNative.java
+++ b/src/android/jar/src/org/qtproject/qt5/android/QtNative.java
@@ -582,6 +582,9 @@ public class QtNative
     public static native void updateWindow();
     // window methods
 
+    // application methods
+    public static native void updateApplicationState(int state);
+
     // menu methods
     public static native boolean onPrepareOptionsMenu(Menu menu);
     public static native boolean onOptionsItemSelected(int itemId, boolean checked);