Make the refresh button animate in-place.

Turn the refresh button into an indeterminate progress icon
while refreshing.

Bug 3388138

Change-Id: Ic0406ff5b857243c3e1e475ddb8b305441eddbb0

res/layout/action_bar_indeterminate_progress.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2011 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<FrameLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="64dip"
+    android:layout_height="wrap_content"
+    android:gravity="center"
+    >
+    <ProgressBar
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        style="?android:attr/indeterminateProgressStyle"
+        />
+</FrameLayout>

src/com/android/email/activity/MessageListXL.java

@@ -45,7 +45,6 @@ import android.util.Log;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
-import android.view.Window;
 import android.widget.TextView;
 
 import java.security.InvalidParameterException;
@@ -151,7 +150,6 @@ public class MessageListXL extends Activity implements
         if (Email.DEBUG_LIFECYCLE && Email.DEBUG) Log.d(Email.LOG_TAG, "MessageListXL onCreate");
         super.onCreate(savedInstanceState);
         ActivityHelper.debugSetWindowFlags(this);
-        requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
         setContentView(R.layout.message_list_xl);
 
         ActionBar ab = getActionBar();
@@ -703,7 +701,7 @@ public class MessageListXL extends Activity implements
      * If we're refreshing the current mailbox, animate the "mailbox refreshing" progress icon.
      */
     private void updateProgressIcon() {
-        setProgressBarIndeterminateVisibility(isProgressActive());
+        invalidateOptionsMenu();
     }
 
     private boolean isProgressActive() {
@@ -723,6 +721,12 @@ public class MessageListXL extends Activity implements
         MenuItem item = menu.findItem(R.id.refresh);
         if (item != null) {
             item.setVisible(shouldShowRefreshButton());
+            if (isProgressActive()) {
+                // Turn it into a progress icon.
+                item.setActionView(R.layout.action_bar_indeterminate_progress);
+            } else {
+                item.setActionView(null);
+            }
         }
         return super.onPrepareOptionsMenu(menu);
     }