Merge "Fix how we hide and show the nav bar."

core/java/android/view/WindowManager.java

@@ -415,6 +415,13 @@ public interface WindowManager extends ViewManager {
          */
         public static final int TYPE_BOOT_PROGRESS = FIRST_SYSTEM_WINDOW+21;
 
+        /**
+         * Window type: Fake window to consume touch events when the navigation
+         * bar is hidden.
+         * @hide
+         */
+        public static final int TYPE_HIDDEN_NAV_CONSUMER = FIRST_SYSTEM_WINDOW+22;
+
         /**
          * End of types of system windows.
          */

core/java/android/view/WindowManagerPolicy.java

@@ -23,6 +23,7 @@ import android.graphics.Rect;
 import android.graphics.RectF;
 import android.os.IBinder;
 import android.os.LocalPowerManager;
+import android.os.Looper;
 import android.view.animation.Animation;
 
 import java.io.FileDescriptor;
@@ -314,6 +315,36 @@ public interface WindowManagerPolicy {
         public boolean showLw(boolean doAnimation);
     }
 
+    /**
+     * Representation of a "fake window" that the policy has added to the
+     * window manager to consume events.
+     */
+    public interface FakeWindow {
+        /**
+         * Remove the fake window from the window manager.
+         */
+        void dismiss();
+    }
+
+    /**
+     * Interface for calling back in to the window manager that is private
+     * between it and the policy.
+     */
+    public interface WindowManagerFuncs {
+        /**
+         * Ask the window manager to re-evaluate the system UI flags.
+         */
+        public void reevaluateStatusBarVisibility();
+
+        /**
+         * Add a fake window to the window manager.  This window sits
+         * at the top of the other windows and consumes events.
+         */
+        public FakeWindow addFakeWindow(Looper looper, InputHandler inputHandler,
+                String name, int windowType, int layoutParamsFlags, boolean canReceiveKeys,
+                boolean hasFocus, boolean touchFullscreen);
+    }
+
     /**
      * Bit mask that is set for all enter transition.
      */
@@ -395,6 +426,7 @@ public interface WindowManagerPolicy {
      * @param powerManager 
      */
     public void init(Context context, IWindowManager windowManager,
+            WindowManagerFuncs windowManagerFuncs,
             LocalPowerManager powerManager);
 
     /**
@@ -762,7 +794,7 @@ public interface WindowManagerPolicy {
     /**
      * A new window has been focused.
      */
-    public void focusChanged(WindowState lastFocus, WindowState newFocus);
+    public int focusChangedLw(WindowState lastFocus, WindowState newFocus);
     
     /**
      * Called after the screen turns off.
@@ -967,6 +999,14 @@ public interface WindowManagerPolicy {
      */
     public void setUserRotationMode(int mode, int rotation);
 
+    /**
+     * Called when a new system UI visibility is being reported, allowing
+     * the policy to adjust what is actually reported.
+     * @param visibility The raw visiblity reported by the status bar.
+     * @return The new desired visibility.
+     */
+    public int adjustSystemUiVisibilityLw(int visibility);
+
     /**
      * Print the WindowManagerPolicy's state into the given stream.
      *