DO NOT MERGE : cherry pick of change Ieb7ae26b from master

Buffering in full screen mode will show progressView

bug:4187252
Change-Id: Ia44d880ab126c2439fb13504db87492d45c90bc8

core/java/android/webkit/HTML5VideoFullScreen.java

@@ -191,8 +191,6 @@ public class HTML5VideoFullScreen extends HTML5VideoView
 
         if (mProgressView != null) {
             mProgressView.setVisibility(View.GONE);
-            mLayout.removeView(mProgressView);
-            mProgressView = null;
         }
 
         mVideoWidth = mp.getVideoWidth();
@@ -314,4 +312,13 @@ public class HTML5VideoFullScreen extends HTML5VideoView
         return false;
     }
 
+    @Override
+    protected void switchProgressView(boolean playerBuffering) {
+        if (playerBuffering) {
+            mProgressView.setVisibility(View.VISIBLE);
+        } else {
+            mProgressView.setVisibility(View.GONE);
+        }
+        return;
+    }
 }

core/java/android/webkit/HTML5VideoView.java

@@ -78,6 +78,7 @@ public class HTML5VideoView implements MediaPlayer.OnPreparedListener {
                         TIMEUPDATE_PERIOD);
             }
             mPlayer.start();
+            setPlayerBuffering(false);
         }
     }
 
@@ -296,4 +297,21 @@ public class HTML5VideoView implements MediaPlayer.OnPreparedListener {
         return 0;
     }
 
+    // This is true only when the player is buffering and paused
+    public boolean mPlayerBuffering = false;
+
+    public boolean getPlayerBuffering() {
+        return mPlayerBuffering;
+    }
+
+    public void setPlayerBuffering(boolean playerBuffering) {
+        mPlayerBuffering = playerBuffering;
+        switchProgressView(playerBuffering);
+    }
+
+
+    protected void switchProgressView(boolean playerBuffering) {
+        // Only used in HTML5VideoFullScreen
+    }
+
 }

core/java/android/webkit/HTML5VideoViewProxy.java

@@ -95,8 +95,10 @@ class HTML5VideoViewProxy extends Handler
         // identify the exact layer on the UI thread to use the SurfaceTexture.
         private static int mBaseLayer = 0;
 
-        // This is true only when the player is buffering and paused
-        private static boolean mPlayerBuffering = false;
+        private static void setPlayerBuffering(boolean playerBuffering) {
+            mHTML5VideoView.setPlayerBuffering(playerBuffering);
+        }
+
         // Every time webView setBaseLayer, this will be called.
         // When we found the Video layer, then we set the Surface Texture to it.
         // Otherwise, we may want to delete the Surface Texture to save memory.
@@ -111,7 +113,7 @@ class HTML5VideoViewProxy extends Handler
                 int currentVideoLayerId = mHTML5VideoView.getVideoLayerId();
                 if (layer != 0 && surfTexture != null && currentVideoLayerId != -1) {
                     int playerState = mHTML5VideoView.getCurrentState();
-                    if (mPlayerBuffering)
+                    if (mHTML5VideoView.getPlayerBuffering())
                         playerState = HTML5VideoView.STATE_NOTPREPARED;
                     boolean foundInTree = nativeSendSurfaceTexture(surfTexture,
                             layer, currentVideoLayerId, textureName,
@@ -166,7 +168,6 @@ class HTML5VideoViewProxy extends Handler
                 WebChromeClient client, int videoLayerId) {
             int currentVideoLayerId = -1;
             boolean backFromFullScreenMode = false;
-            mPlayerBuffering = false;
             if (mHTML5VideoView != null) {
                 currentVideoLayerId = mHTML5VideoView.getVideoLayerId();
                 if (mHTML5VideoView instanceof HTML5VideoFullScreen) {
@@ -231,7 +232,6 @@ class HTML5VideoViewProxy extends Handler
         }
 
         public static void onPrepared() {
-            mPlayerBuffering = false;
             if (!mHTML5VideoView.isFullScreenMode() || mHTML5VideoView.getAutostart()) {
                 mHTML5VideoView.start();
             }
@@ -351,11 +351,11 @@ class HTML5VideoViewProxy extends Handler
                 break;
             }
             case BUFFERING_START: {
-                VideoPlayer.mPlayerBuffering = true;
+                VideoPlayer.setPlayerBuffering(true);
                 break;
             }
             case BUFFERING_END: {
-                VideoPlayer.mPlayerBuffering = false;
+                VideoPlayer.setPlayerBuffering(false);
                 break;
             }
         }