Disable Set Wallpaper button while loading image

Bug: 12472111

Change-Id: I2a0cba47f31af2416b0dd062929f277fcbf80481

WallpaperPicker/res/layout/actionbar_set_wallpaper.xml

@@ -20,6 +20,7 @@
 
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     style="?android:actionButtonStyle"
+    android:id="@+id/set_wallpaper_button"
     android:layout_width="match_parent"
     android:layout_height="match_parent" >
     <TextView style="?android:actionBarTabTextStyle"

WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java

@@ -75,6 +75,7 @@ public class WallpaperCropActivity extends Activity {
 
     protected CropView mCropView;
     protected Uri mUri;
+    private View mSetWallpaperButton;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -111,10 +112,12 @@ public class WallpaperCropActivity extends Activity {
                         cropImageAndSetWallpaper(imageUri, null, finishActivityWhenDone);
                     }
                 });
+        mSetWallpaperButton = findViewById(R.id.set_wallpaper_button);
 
         // Load image in background
         final BitmapRegionTileSource.UriBitmapSource bitmapSource =
                 new BitmapRegionTileSource.UriBitmapSource(this, imageUri, 1024);
+        mSetWallpaperButton.setVisibility(View.INVISIBLE);
         Runnable onLoad = new Runnable() {
             public void run() {
                 if (bitmapSource.getLoadingState() != BitmapSource.State.LOADED) {
@@ -122,6 +125,8 @@ public class WallpaperCropActivity extends Activity {
                             getString(R.string.wallpaper_load_fail),
                             Toast.LENGTH_LONG).show();
                     finish();
+                } else {
+                    mSetWallpaperButton.setVisibility(View.VISIBLE);
                 }
             }
         };

WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java

@@ -90,6 +90,7 @@ public class WallpaperPickerActivity extends WallpaperCropActivity {
     private static final String DEFAULT_WALLPAPER_THUMBNAIL_FILENAME = "default_thumb2.jpg";
 
     private View mSelectedTile;
+    private View mSetWallpaperButton;
     private boolean mIgnoreNextTap;
     private OnClickListener mThumbnailOnClickListener;
 
@@ -146,11 +147,13 @@ public class WallpaperPickerActivity extends WallpaperCropActivity {
                 onLoad = null;
             } else {
                 mFirstClick = false;
+                a.mSetWallpaperButton.setVisibility(View.INVISIBLE);
                 onLoad = new Runnable() {
                     public void run() {
                         if (mBitmapSource != null &&
                                 mBitmapSource.getLoadingState() == BitmapSource.State.LOADED) {
                             a.selectTile(mView);
+                            a.mSetWallpaperButton.setVisibility(View.VISIBLE);
                         } else {
                             ViewGroup parent = (ViewGroup) mView.getParent();
                             if (parent != null) {
@@ -466,6 +469,7 @@ public class WallpaperPickerActivity extends WallpaperCropActivity {
                         }
                     }
                 });
+        mSetWallpaperButton = findViewById(R.id.set_wallpaper_button);
 
         // CAB for deleting items
         mActionModeCallback = new ActionMode.Callback() {