Bug 727610: Supporting fullscreen on ICS. [r=mfinkle]

mobile/android/base/BrowserToolbar.java

@@ -322,6 +322,20 @@ public class BrowserToolbar extends LinearLayout {
         }
     }
 
+    public void show() {
+        if (Build.VERSION.SDK_INT >= 11)
+            GeckoActionBar.show(GeckoApp.mAppContext);
+        else
+            setVisibility(View.VISIBLE);
+    }
+
+    public void hide() {
+        if (Build.VERSION.SDK_INT >= 11)
+            GeckoActionBar.hide(GeckoApp.mAppContext);
+        else
+            setVisibility(View.GONE);
+    }
+
     public void refresh() {
         Tab tab = Tabs.getInstance().getSelectedTab();
         if (tab != null) {

mobile/android/base/GeckoActionBar.java

@@ -66,4 +66,8 @@ public class GeckoActionBar {
     public static void setDisplayHomeAsUpEnabled(Activity activity, boolean enabled) {
          activity.getActionBar().setDisplayHomeAsUpEnabled(enabled);
     } 
+ 
+    public static void show(Activity activity) {
+        activity.getActionBar().show();
+    }
 }

mobile/android/base/GeckoApp.java

@@ -1024,13 +1024,13 @@ abstract public class GeckoApp
             } else if (event.equals("ToggleChrome:Hide")) {
                 mMainHandler.post(new Runnable() {
                     public void run() {
-                        mBrowserToolbar.setVisibility(View.GONE);
+                        mBrowserToolbar.hide();
                     }
                 });
             } else if (event.equals("ToggleChrome:Show")) {
                 mMainHandler.post(new Runnable() {
                     public void run() {
-                        mBrowserToolbar.setVisibility(View.VISIBLE);
+                        mBrowserToolbar.show();
                     }
                 });
             } else if (event.equals("DOMFullScreen:Start")) {
@@ -1643,9 +1643,12 @@ abstract public class GeckoApp
         mMainHandler.post(new Runnable() { 
             public void run() {
                 // Hide/show the system notification bar
-                getWindow().setFlags(fullscreen ?
-                                     WindowManager.LayoutParams.FLAG_FULLSCREEN : 0,
-                                     WindowManager.LayoutParams.FLAG_FULLSCREEN);
+                Window window = getWindow();
+                window.setFlags(fullscreen ?
+                                WindowManager.LayoutParams.FLAG_FULLSCREEN : 0,
+                                WindowManager.LayoutParams.FLAG_FULLSCREEN);
+
+                window.getDecorView().setSystemUiVisibility(fullscreen ? 1 : 0);
             }
         });
     }