diff options
author | Daniel Gultsch <daniel@gultsch.de> | 2015-10-29 12:08:15 +0100 |
---|---|---|
committer | Daniel Gultsch <daniel@gultsch.de> | 2015-10-29 12:08:15 +0100 |
commit | 1221cff561eb2ca321f96c7510e01f9218634bd6 (patch) | |
tree | a99fd51ffa8c4d88148f9932d60a4304502e2171 /src/main/java/eu/siacs/conversations/ui | |
parent | a7fd629c051a3ba0031fba4e358ba4f3b843283d (diff) |
load avatars in message adapter in background task
Diffstat (limited to 'src/main/java/eu/siacs/conversations/ui')
-rw-r--r-- | src/main/java/eu/siacs/conversations/ui/adapter/MessageAdapter.java | 103 |
1 files changed, 92 insertions, 11 deletions
diff --git a/src/main/java/eu/siacs/conversations/ui/adapter/MessageAdapter.java b/src/main/java/eu/siacs/conversations/ui/adapter/MessageAdapter.java index 42c68eb8..2befd65c 100644 --- a/src/main/java/eu/siacs/conversations/ui/adapter/MessageAdapter.java +++ b/src/main/java/eu/siacs/conversations/ui/adapter/MessageAdapter.java @@ -4,8 +4,13 @@ import android.content.ActivityNotFoundException; import android.content.Intent; import android.content.pm.PackageManager; import android.content.pm.ResolveInfo; +import android.content.res.Resources; +import android.graphics.Bitmap; import android.graphics.Typeface; +import android.graphics.drawable.BitmapDrawable; +import android.graphics.drawable.Drawable; import android.net.Uri; +import android.os.AsyncTask; import android.text.Spannable; import android.text.SpannableString; import android.text.Spanned; @@ -24,7 +29,9 @@ import android.widget.LinearLayout; import android.widget.TextView; import android.widget.Toast; +import java.lang.ref.WeakReference; import java.util.List; +import java.util.concurrent.RejectedExecutionException; import eu.siacs.conversations.R; import eu.siacs.conversations.crypto.axolotl.XmppAxolotlSession; @@ -493,17 +500,8 @@ public class MessageAdapter extends ArrayAdapter<Message> { viewHolder.status_message.setText(message.getBody()); } return view; - } else if (type == RECEIVED) { - Contact contact = message.getContact(); - if (contact != null) { - viewHolder.contact_picture.setImageBitmap(activity.avatarService().get(contact, activity.getPixel(48))); - } else if (conversation.getMode() == Conversation.MODE_MULTI) { - viewHolder.contact_picture.setImageBitmap(activity.avatarService().get( - UIHelper.getMessageDisplayName(message), - activity.getPixel(48))); - } - } else if (type == SENT) { - viewHolder.contact_picture.setImageBitmap(activity.avatarService().get(account, activity.getPixel(48))); + } else { + loadAvatar(message,viewHolder.contact_picture); } viewHolder.contact_picture @@ -674,4 +672,87 @@ public class MessageAdapter extends ArrayAdapter<Message> { protected TextView status_message; protected TextView encryption; } + + class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> { + private final WeakReference<ImageView> imageViewReference; + private Message message = null; + + public BitmapWorkerTask(ImageView imageView) { + imageViewReference = new WeakReference<>(imageView); + } + + @Override + protected Bitmap doInBackground(Message... params) { + return activity.avatarService().get(params[0], activity.getPixel(48), isCancelled()); + } + + @Override + protected void onPostExecute(Bitmap bitmap) { + if (bitmap != null) { + final ImageView imageView = imageViewReference.get(); + if (imageView != null) { + imageView.setImageBitmap(bitmap); + imageView.setBackgroundColor(0x00000000); + } + } + } + } + + public void loadAvatar(Message message, ImageView imageView) { + if (cancelPotentialWork(message, imageView)) { + final Bitmap bm = activity.avatarService().get(message, activity.getPixel(48), true); + if (bm != null) { + imageView.setImageBitmap(bm); + imageView.setBackgroundColor(0x00000000); + } else { + imageView.setBackgroundColor(UIHelper.getColorForName(UIHelper.getMessageDisplayName(message))); + imageView.setImageDrawable(null); + final BitmapWorkerTask task = new BitmapWorkerTask(imageView); + final AsyncDrawable asyncDrawable = new AsyncDrawable(activity.getResources(), null, task); + imageView.setImageDrawable(asyncDrawable); + try { + task.execute(message); + } catch (final RejectedExecutionException ignored) { + } + } + } + } + + public static boolean cancelPotentialWork(Message message, ImageView imageView) { + final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView); + + if (bitmapWorkerTask != null) { + final Message oldMessage = bitmapWorkerTask.message; + if (oldMessage == null || message != oldMessage) { + 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(); + } + } } |