Merge "Reuse existing temporary wallpaper tiles when selecting same photo." into ub-launcher3-master
diff --git a/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java b/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
index e05115a..63986b4 100644
--- a/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
+++ b/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
@@ -841,12 +841,31 @@
}
private void addTemporaryWallpaperTile(final Uri uri, boolean fromRestore) {
- mTempWallpaperTiles.add(uri);
- // Add a tile for the image picked from Gallery
- final FrameLayout pickedImageThumbnail = (FrameLayout) getLayoutInflater().
- inflate(R.layout.wallpaper_picker_item, mWallpapersView, false);
- pickedImageThumbnail.setVisibility(View.GONE);
- mWallpapersView.addView(pickedImageThumbnail, 0);
+ // Add a tile for the image picked from Gallery, reusing the existing tile if there is one.
+ FrameLayout existingImageThumbnail = null;
+ int indexOfExistingTile = 0;
+ for (; indexOfExistingTile < mWallpapersView.getChildCount(); indexOfExistingTile++) {
+ FrameLayout thumbnail = (FrameLayout) mWallpapersView.getChildAt(indexOfExistingTile);
+ Object tag = thumbNail.getTag();
+ if (tag instanceof UriWallpaperInfo && ((UriWallpaperInfo) tag).mUri.equals(uri)) {
+ existingImageThumbnail = thumbNail;
+ break;
+ }
+ }
+ final FrameLayout pickedImageThumbnail;
+ if (existingImageThumbnail != null) {
+ pickedImageThumbnail = existingImageThumbnail;
+ // Always move the existing wallpaper to the front so user can see it without scrolling.
+ mWallpapersView.removeViewAt(indexOfExistingTile);
+ mWallpapersView.addView(existingImageThumbnail, 0);
+ } else {
+ // This is the first time this temporary wallpaper has been added
+ pickedImageThumbnail = (FrameLayout) getLayoutInflater()
+ .inflate(R.layout.wallpaper_picker_item, mWallpapersView, false);
+ pickedImageThumbnail.setVisibility(View.GONE);
+ mWallpapersView.addView(pickedImageThumbnail, 0);
+ mTempWallpaperTiles.add(uri);
+ }
// Load the thumbnail
final ImageView image = (ImageView) pickedImageThumbnail.findViewById(R.id.wallpaper_image);
@@ -856,7 +875,8 @@
protected Bitmap doInBackground(Void...args) {
try {
int rotation = BitmapUtils.getRotationFromExif(context, uri);
- return createThumbnail(defaultSize, context, uri, null, null, 0, rotation, false);
+ return createThumbnail(defaultSize, context, uri, null, null, 0, rotation,
+ false);
} catch (SecurityException securityException) {
if (isActivityDestroyed()) {
// Temporarily granted permissions are revoked when the activity