@@ -1,6 +1,11 @@
package eu.siacs.conversations.ui.adapter;
import android.content.Context;
+import android.content.res.Resources;
+import android.graphics.Bitmap;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+import android.os.AsyncTask;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
@@ -9,7 +14,9 @@ import android.widget.CompoundButton;
import android.widget.ImageView;
import android.widget.TextView;
+import java.lang.ref.WeakReference;
import java.util.List;
+import java.util.concurrent.RejectedExecutionException;
import eu.siacs.conversations.Config;
import eu.siacs.conversations.R;
@@ -17,6 +24,7 @@ import eu.siacs.conversations.entities.Account;
import eu.siacs.conversations.ui.ManageAccountActivity;
import eu.siacs.conversations.ui.XmppActivity;
import eu.siacs.conversations.ui.widget.Switch;
+import eu.siacs.conversations.utils.UIHelper;
public class AccountAdapter extends ArrayAdapter<Account> {
@@ -43,7 +51,7 @@ public class AccountAdapter extends ArrayAdapter<Account> {
}
TextView statusView = (TextView) view.findViewById(R.id.account_status);
ImageView imageView = (ImageView) view.findViewById(R.id.account_image);
- imageView.setImageBitmap(activity.avatarService().get(account, activity.getPixel(48)));
+ loadAvatar(account,imageView);
statusView.setText(getContext().getString(account.getStatus().getReadableId()));
switch (account.getStatus()) {
case ONLINE:
@@ -70,4 +78,88 @@ public class AccountAdapter extends ArrayAdapter<Account> {
});
return view;
}
+
+ class BitmapWorkerTask extends AsyncTask<Account, Void, Bitmap> {
+ private final WeakReference<ImageView> imageViewReference;
+ private Account account = null;
+
+ public BitmapWorkerTask(ImageView imageView) {
+ imageViewReference = new WeakReference<>(imageView);
+ }
+
+ @Override
+ protected Bitmap doInBackground(Account... params) {
+ return activity.avatarService().get(params[0], activity.getPixel(48), isCancelled());
+ }
+
+ @Override
+ protected void onPostExecute(Bitmap bitmap) {
+ if (bitmap != null && !isCancelled()) {
+ final ImageView imageView = imageViewReference.get();
+ if (imageView != null) {
+ imageView.setImageBitmap(bitmap);
+ imageView.setBackgroundColor(0x00000000);
+ }
+ }
+ }
+ }
+
+ public void loadAvatar(Account account, ImageView imageView) {
+ if (cancelPotentialWork(account, imageView)) {
+ final Bitmap bm = activity.avatarService().get(account,activity.getPixel(48),true);
+ if (bm != null) {
+ cancelPotentialWork(account, imageView);
+ imageView.setImageBitmap(bm);
+ imageView.setBackgroundColor(0x00000000);
+ } else {
+ imageView.setBackgroundColor(UIHelper.getColorForName(account.getDisplayName()));
+ imageView.setImageDrawable(null);
+ final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
+ final AsyncDrawable asyncDrawable = new AsyncDrawable(activity.getResources(), null, task);
+ imageView.setImageDrawable(asyncDrawable);
+ try {
+ task.execute(account);
+ } catch (final RejectedExecutionException ignored) {
+ }
+ }
+ }
+ }
+
+ public static boolean cancelPotentialWork(Account account, ImageView imageView) {
+ final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
+
+ if (bitmapWorkerTask != null) {
+ final Account oldAccount = bitmapWorkerTask.account;
+ if (oldAccount == null || account != oldAccount) {
+ bitmapWorkerTask.cancel(true);
+ } else {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
+ if (imageView != null) {
+ final Drawable drawable = imageView.getDrawable();
+ if (drawable instanceof AsyncDrawable) {
+ final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
+ return asyncDrawable.getBitmapWorkerTask();
+ }
+ }
+ return null;
+ }
+
+ static class AsyncDrawable extends BitmapDrawable {
+ private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
+
+ public AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) {
+ super(res, bitmap);
+ bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask);
+ }
+
+ public BitmapWorkerTask getBitmapWorkerTask() {
+ return bitmapWorkerTaskReference.get();
+ }
+ }
}