Make sure we wake up the screen if the keyguard is not visible when we think it should be.

I am hoping this will fix bug b/2155529

Change-Id: I46ea34898864d7b39391d76b802858c0f092b578
Signed-off-by: Mike Lockwood <lockwood@android.com>

policy/com/android/internal/policy/impl/KeyguardViewManager.java

@@ -197,10 +197,14 @@ public class KeyguardViewManager implements KeyguardWindowController {
      *
      * @param keyCode The wake key.
      */
-    public void wakeWhenReadyTq(int keyCode) {
+    public boolean wakeWhenReadyTq(int keyCode) {
         if (DEBUG) Log.d(TAG, "wakeWhenReady(" + keyCode + ")");
         if (mKeyguardView != null) {
             mKeyguardView.wakeWhenReadyTq(keyCode);
+            return true;
+        } else {
+            Log.w(TAG, "mKeyguardView is null in wakeWhenReadyTq");
+            return false;
         }
     }
 

policy/com/android/internal/policy/impl/KeyguardViewMediator.java

@@ -884,7 +884,10 @@ public class KeyguardViewMediator implements KeyguardViewCallback,
 
             // this should result in a call to 'poke wakelock' which will set a timeout
             // on releasing the wakelock
-            mKeyguardViewManager.wakeWhenReadyTq(keyCode);
+            if (!mKeyguardViewManager.wakeWhenReadyTq(keyCode)) {
+                // poke wakelock ourselves if keyguard is no longer active
+                pokeWakelock();
+            }
 
             /**
              * Now that the keyguard is ready and has poked the wake lock, we can