More termination conditions for Dreams.

Default implementation of Dreams will finish() on KEYCODE_BACK.

PhoneStatusBar will awaken() from any Dream when the Home key is pressed.

Change-Id: I55e2a5d533a7fb93debc4c54514dba3b9098f009

Author: dsandler

core/java/android/service/dreams/Dream.java

@@ -70,7 +70,13 @@ public class Dream extends Service implements Window.Callback {
     // begin Window.Callback methods
     @Override
     public boolean dispatchKeyEvent(KeyEvent event) {
-        if (!mInteractive) { 
+        // TODO: create more flexible version of mInteractive that allows use of KEYCODE_BACK
+        if (!mInteractive) {
+            if (DEBUG) Slog.v(TAG, "finishing on keyEvent");
+            finish();
+            return true;
+        } else if (event.getKeyCode() == KeyEvent.KEYCODE_BACK) {
+            if (DEBUG) Slog.v(TAG, "finishing on back key");
             finish();
             return true;
         }
@@ -80,6 +86,7 @@ public boolean dispatchKeyEvent(KeyEvent event) {
     @Override
     public boolean dispatchKeyShortcutEvent(KeyEvent event) {
         if (!mInteractive) { 
+            if (DEBUG) Slog.v(TAG, "finishing on keyShortcutEvent");
             finish();
             return true;
         }
@@ -88,7 +95,10 @@ public boolean dispatchKeyShortcutEvent(KeyEvent event) {
 
     @Override
     public boolean dispatchTouchEvent(MotionEvent event) {
+        // TODO: create more flexible version of mInteractive that allows clicks 
+        // but finish()es on any other kind of activity
         if (!mInteractive) { 
+            if (DEBUG) Slog.v(TAG, "finishing on touchEvent");
             finish();
             return true;
         }
@@ -97,7 +107,8 @@ public boolean dispatchTouchEvent(MotionEvent event) {
 
     @Override
     public boolean dispatchTrackballEvent(MotionEvent event) {
-        if (!mInteractive) { 
+        if (!mInteractive) {
+            if (DEBUG) Slog.v(TAG, "finishing on trackballEvent");
             finish();
             return true;
         }
@@ -107,6 +118,7 @@ public boolean dispatchTrackballEvent(MotionEvent event) {
     @Override
     public boolean dispatchGenericMotionEvent(MotionEvent event) {
         if (!mInteractive) { 
+            if (DEBUG) Slog.v(TAG, "finishing on genericMotionEvent");
             finish();
             return true;
         }

packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java

@@ -48,6 +48,7 @@
 import android.os.SystemClock;
 import android.os.UserId;
 import android.provider.Settings;
+import android.service.dreams.IDreamManager;
 import android.util.DisplayMetrics;
 import android.util.Log;
 import android.util.Slog;
@@ -153,6 +154,7 @@ public class PhoneStatusBar extends BaseStatusBar {
     Display mDisplay;
 
     IWindowManager mWindowManager;
+    IDreamManager mDreamManager;
 
     StatusBarWindowView mStatusBarWindow;
     PhoneStatusBarView mStatusBarView;
@@ -302,6 +304,9 @@ public void start() {
         mWindowManager = IWindowManager.Stub.asInterface(
                 ServiceManager.getService(Context.WINDOW_SERVICE));
 
+        mDreamManager = IDreamManager.Stub.asInterface(
+                ServiceManager.checkService("dreams"));
+
         super.start(); // calls createAndAddWindows()
 
         addNavigationBar();
@@ -606,6 +611,7 @@ public void onClick(View v) {
     private Runnable mShowSearchPanel = new Runnable() {
         public void run() {
             showSearchPanel();
+            awakenDreams();
         }
     };
 
@@ -622,12 +628,23 @@ public boolean onTouch(View v, MotionEvent event) {
             case MotionEvent.ACTION_UP:
             case MotionEvent.ACTION_CANCEL:
                 mHandler.removeCallbacks(mShowSearchPanel);
+                awakenDreams();
             break;
         }
         return false;
         }
     };
 
+    private void awakenDreams() {
+        if (mDreamManager != null) {
+            try {
+                mDreamManager.awaken();
+            } catch (RemoteException e) {
+                // fine, stay asleep then
+            }
+        }
+    }
+
     private void prepareNavigationBarView() {
         mNavigationBarView.reorient();