Merge "Fix black keyguard / missing status bar" into mnc-dev

core/java/android/view/WindowManagerPolicy.java

@@ -341,6 +341,14 @@ public interface WindowManagerPolicy {
          */
         boolean isGoneForLayoutLw();
 
+        /**
+         * Returns true if the window has a surface that it has drawn a
+         * complete UI in to. Note that this is different from {@link #hasDrawnLw()}
+         * in that it also returns true if the window is READY_TO_SHOW, but was not yet
+         * promoted to HAS_DRAWN.
+         */
+        boolean isDrawnLw();
+
         /**
          * Returns true if this window has been shown on screen at some time in 
          * the past.  Must be called with the window manager lock held.

services/core/java/com/android/server/policy/BarController.java

@@ -155,7 +155,7 @@ public class BarController {
     }
 
     private int computeStateLw(boolean wasVis, boolean wasAnim, WindowState win, boolean change) {
-        if (win.hasDrawnLw()) {
+        if (win.isDrawnLw()) {
             final boolean vis = win.isVisibleLw();
             final boolean anim = win.isAnimatingLw();
             if (mState == StatusBarManager.WINDOW_STATE_HIDING && !change && !vis) {
@@ -198,7 +198,7 @@ public class BarController {
     }
 
     public boolean checkHiddenLw() {
-        if (mWin != null && mWin.hasDrawnLw()) {
+        if (mWin != null && mWin.isDrawnLw()) {
             if (!mWin.isVisibleLw() && !mWin.isAnimatingLw()) {
                 updateStateLw(StatusBarManager.WINDOW_STATE_HIDDEN);
             }

services/core/java/com/android/server/wm/WindowState.java

@@ -1104,6 +1104,7 @@ final class WindowState implements WindowManagerPolicy.WindowState {
      * Returns true if the window has a surface that it has drawn a
      * complete UI in to.
      */
+    @Override
     public boolean isDrawnLw() {
         return mHasSurface && !mDestroying &&
                 (mWinAnimator.mDrawState == WindowStateAnimator.READY_TO_SHOW