package de.pixart.messenger.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; import android.widget.ArrayAdapter; import android.widget.ImageView; import android.widget.TextView; import java.lang.ref.WeakReference; import java.util.List; import java.util.concurrent.RejectedExecutionException; import de.pixart.messenger.Config; import de.pixart.messenger.R; import de.pixart.messenger.entities.Account; import de.pixart.messenger.ui.XmppActivity; import de.pixart.messenger.utils.UIHelper; public class AccountAdapter extends ArrayAdapter { private XmppActivity activity; public AccountAdapter(XmppActivity activity, List objects) { super(activity, 0, objects); this.activity = activity; } @Override public View getView(int position, View view, ViewGroup parent) { final Account account = getItem(position); if (view == null) { LayoutInflater inflater = (LayoutInflater) getContext() .getSystemService(Context.LAYOUT_INFLATER_SERVICE); view = inflater.inflate(R.layout.account_row, parent, false); } TextView jid = view.findViewById(R.id.account_jid); if (Config.DOMAIN_LOCK != null) { jid.setText(account.getJid().getLocalpart()); } else { jid.setText(account.getJid().toBareJid().toString()); } TextView statusView = view.findViewById(R.id.account_status); ImageView imageView = view.findViewById(R.id.account_image); loadAvatar(account,imageView); statusView.setText(getContext().getString(account.getStatus().getReadableId())); switch (account.getStatus()) { case ONLINE: statusView.setTextColor(activity.getOnlineColor()); break; case DISABLED: case CONNECTING: statusView.setTextColor(activity.getSecondaryTextColor()); break; default: statusView.setTextColor(activity.getWarningTextColor()); break; } return view; } 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; } public void loadAvatar(Account account, ImageView imageView) { if (cancelPotentialWork(account, imageView)) { final Bitmap bm = activity.avatarService().get(account, activity.getPixel(56), true); if (bm != null) { cancelPotentialWork(account, imageView); imageView.setImageBitmap(bm); imageView.setBackgroundColor(0x00000000); } else { imageView.setBackgroundColor(UIHelper.getColorForName(account.getJid().toBareJid().toString())); imageView.setImageDrawable(null); final BitmapWorkerTask task = new BitmapWorkerTask(imageView); final AsyncDrawable asyncDrawable = new AsyncDrawable(activity.getResources(), null, task); imageView.setImageDrawable(asyncDrawable); try { task.executeOnExecutor(BitmapWorkerTask.THREAD_POOL_EXECUTOR, account); } catch (final RejectedExecutionException ignored) { } } } } static class AsyncDrawable extends BitmapDrawable { private final WeakReference bitmapWorkerTaskReference; public AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) { super(res, bitmap); bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask); } public BitmapWorkerTask getBitmapWorkerTask() { return bitmapWorkerTaskReference.get(); } } class BitmapWorkerTask extends AsyncTask { private final WeakReference 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(56), 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); } } } } }