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Code Issues Releases Wiki Activity

cancel potential tasks when receiving image preview from cache

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This commit is contained in:
Daniel Gultsch 2016-04-28 20:14:53 +02:00
parent 51753a1d39
commit 1d2e2f71c2
1 changed files with 7 additions and 3 deletions
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10
src/main/java/eu/siacs/conversations/ui/XmppActivity.java
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@ -1146,6 +1146,9 @@ public abstract class XmppActivity extends Activity {
@Override @Override
protected Bitmap doInBackground(Message... params) { protected Bitmap doInBackground(Message... params) {
if (isCancelled()) {
return null;
}
message = params[0]; message = params[0];
try { try {
return xmppConnectionService.getFileBackend().getThumbnail( return xmppConnectionService.getFileBackend().getThumbnail(
@ -1157,7 +1160,7 @@ public abstract class XmppActivity extends Activity {
@Override @Override
protected void onPostExecute(Bitmap bitmap) { protected void onPostExecute(Bitmap bitmap) {
if (bitmap != null) { if (bitmap != null && !isCancelled()) {
final ImageView imageView = imageViewReference.get(); final ImageView imageView = imageViewReference.get();
if (imageView != null) { if (imageView != null) {
imageView.setImageBitmap(bitmap); imageView.setImageBitmap(bitmap);
@ -1176,6 +1179,7 @@ public abstract class XmppActivity extends Activity {
bm = null; bm = null;
} }
if (bm != null) { if (bm != null) {
cancelPotentialWork(message, imageView);
imageView.setImageBitmap(bm); imageView.setImageBitmap(bm);
imageView.setBackgroundColor(0x00000000); imageView.setBackgroundColor(0x00000000);
} else { } else {
@ -1189,13 +1193,13 @@ public abstract class XmppActivity extends Activity {
try { try {
task.execute(message); task.execute(message);
} catch (final RejectedExecutionException ignored) { } catch (final RejectedExecutionException ignored) {
ignored.printStackTrace();
} }
} }
} }
} }
public static boolean cancelPotentialWork(Message message, public static boolean cancelPotentialWork(Message message, ImageView imageView) {
ImageView imageView) {
final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView); final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
if (bitmapWorkerTask != null) { if (bitmapWorkerTask != null) {