package eu.siacs.conversations.ui.adapter; import android.content.Context; 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.os.AsyncTask; import android.util.Log; import android.util.Pair; 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 eu.siacs.conversations.Config; import eu.siacs.conversations.R; import eu.siacs.conversations.entities.Conversation; import eu.siacs.conversations.entities.Message; import eu.siacs.conversations.entities.Transferable; import eu.siacs.conversations.ui.ConversationFragment; import eu.siacs.conversations.ui.XmppActivity; import eu.siacs.conversations.ui.util.Color; import eu.siacs.conversations.ui.widget.UnreadCountCustomView; import eu.siacs.conversations.utils.EmojiWrapper; import eu.siacs.conversations.utils.UIHelper; public class ConversationAdapter extends ArrayAdapter { private XmppActivity activity; private Conversation selectedConversation = null; public ConversationAdapter(XmppActivity activity, List conversations) { super(activity, 0, conversations); this.activity = activity; } @Override public View getView(int position, View view, ViewGroup parent) { if (view == null) { LayoutInflater inflater = (LayoutInflater) activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE); view = inflater.inflate(R.layout.conversation_list_row,parent, false); } ViewHolder viewHolder = ViewHolder.get(view); Conversation conversation = getItem(position); if (this.activity instanceof XmppActivity) { int c = Color.get(activity, conversation == selectedConversation ? R.attr.color_background_secondary: R.attr.color_background_primary); viewHolder.swipeableItem.setBackgroundColor(c); } if (conversation.getMode() == Conversation.MODE_SINGLE || activity.useSubjectToIdentifyConference()) { viewHolder.name.setText(EmojiWrapper.transform(conversation.getName())); } else { viewHolder.name.setText(conversation.getJid().toBareJid().toString()); } Message message = conversation.getLatestMessage(); int unreadCount = conversation.unreadCount(); if (unreadCount > 0) { viewHolder.unreadCount.setVisibility(View.VISIBLE); viewHolder.unreadCount.setUnreadCount(unreadCount); } else { viewHolder.unreadCount.setVisibility(View.GONE); } if (!conversation.isRead()) { viewHolder.name.setTypeface(null, Typeface.BOLD); } else { viewHolder.name.setTypeface(null, Typeface.NORMAL); } final boolean fileAvailable = message.getTransferable() == null || message.getTransferable().getStatus() != Transferable.STATUS_DELETED; final boolean showPreviewText; if (fileAvailable && (message.isFileOrImage() || message.treatAsDownloadable() || message.isGeoUri())) { final int imageResource; if (message.isGeoUri()) { imageResource = activity.getThemeResource(R.attr.ic_attach_location, R.drawable.ic_attach_location); showPreviewText = false; } else { final String mime = message.getMimeType(); switch (mime == null ? "" : mime.split("/")[0]) { case "image": imageResource = activity.getThemeResource(R.attr.ic_attach_photo, R.drawable.ic_attach_photo); showPreviewText = false; break; case "video": imageResource = activity.getThemeResource(R.attr.ic_attach_videocam, R.drawable.ic_attach_videocam); showPreviewText = false; break; case "audio": imageResource = activity.getThemeResource(R.attr.ic_attach_record, R.drawable.ic_attach_record); showPreviewText = false; break; default: imageResource = activity.getThemeResource(R.attr.ic_attach_document, R.drawable.ic_attach_document); showPreviewText = true; break; } } viewHolder.lastMessageIcon.setImageResource(imageResource); viewHolder.lastMessageIcon.setVisibility(View.VISIBLE); } else { viewHolder.lastMessageIcon.setVisibility(View.GONE); showPreviewText = true; } final Pair preview = UIHelper.getMessagePreview(activity,message); if (showPreviewText) { viewHolder.lastMessage.setText(EmojiWrapper.transform(preview.first)); } else { viewHolder.lastMessageIcon.setContentDescription(preview.first); } viewHolder.lastMessage.setVisibility(showPreviewText ? View.VISIBLE : View.GONE); if (preview.second) { if (conversation.isRead()) { viewHolder.lastMessage.setTypeface(null, Typeface.ITALIC); viewHolder.sender.setTypeface(null, Typeface.NORMAL); } else { viewHolder.lastMessage.setTypeface(null,Typeface.BOLD_ITALIC); viewHolder.sender.setTypeface(null,Typeface.BOLD); } } else { if (conversation.isRead()) { viewHolder.lastMessage.setTypeface(null,Typeface.NORMAL); viewHolder.sender.setTypeface(null,Typeface.NORMAL); } else { viewHolder.lastMessage.setTypeface(null,Typeface.BOLD); viewHolder.sender.setTypeface(null,Typeface.BOLD); } } if (message.getStatus() == Message.STATUS_RECEIVED) { if (conversation.getMode() == Conversation.MODE_MULTI) { viewHolder.sender.setVisibility(View.VISIBLE); viewHolder.sender.setText(UIHelper.getMessageDisplayName(message).split("\\s+")[0]+':'); } else { viewHolder.sender.setVisibility(View.GONE); } } else if (message.getType() != Message.TYPE_STATUS) { viewHolder.sender.setVisibility(View.VISIBLE); viewHolder.sender.setText(activity.getString(R.string.me)+':'); } else { viewHolder.sender.setVisibility(View.GONE); } long muted_till = conversation.getLongAttribute(Conversation.ATTRIBUTE_MUTED_TILL,0); if (muted_till == Long.MAX_VALUE) { viewHolder.notificationIcon.setVisibility(View.VISIBLE); int ic_notifications_off = activity.getThemeResource(R.attr.icon_notifications_off, R.drawable.ic_notifications_off_black_24dp); viewHolder.notificationIcon.setImageResource(ic_notifications_off); } else if (muted_till >= System.currentTimeMillis()) { viewHolder.notificationIcon.setVisibility(View.VISIBLE); int ic_notifications_paused = activity.getThemeResource(R.attr.icon_notifications_paused, R.drawable.ic_notifications_paused_black_24dp); viewHolder.notificationIcon.setImageResource(ic_notifications_paused); } else if (conversation.alwaysNotify()) { viewHolder.notificationIcon.setVisibility(View.GONE); } else { viewHolder.notificationIcon.setVisibility(View.VISIBLE); int ic_notifications_none = activity.getThemeResource(R.attr.icon_notifications_none, R.drawable.ic_notifications_none_black_24dp); viewHolder.notificationIcon.setImageResource(ic_notifications_none); } viewHolder.timestamp.setText(UIHelper.readableTimeDifference(activity,conversation.getLatestMessage().getTimeSent())); loadAvatar(conversation, viewHolder.avatar); return view; } @Override public void notifyDataSetChanged() { this.selectedConversation = ConversationFragment.getConversation(activity); Log.d(Config.LOGTAG,"notify data set changed"); if (this.selectedConversation == null) { Log.d(Config.LOGTAG,"selected conversation is null"); } super.notifyDataSetChanged(); } public static class ViewHolder { private View swipeableItem; private TextView name; private TextView lastMessage; private ImageView lastMessageIcon; private TextView sender; private TextView timestamp; private ImageView notificationIcon; private UnreadCountCustomView unreadCount; private ImageView avatar; private ViewHolder() { } public static ViewHolder get(View layout) { ViewHolder viewHolder = (ViewHolder) layout.getTag(); if (viewHolder == null) { viewHolder = new ViewHolder(); viewHolder.swipeableItem = layout.findViewById(R.id.swipeable_item); viewHolder.name = layout.findViewById(R.id.conversation_name); viewHolder.lastMessage = layout.findViewById(R.id.conversation_lastmsg); viewHolder.lastMessageIcon = layout.findViewById(R.id.conversation_lastmsg_img); viewHolder.timestamp = layout.findViewById(R.id.conversation_lastupdate); viewHolder.sender = layout.findViewById(R.id.sender_name); viewHolder.notificationIcon = layout.findViewById(R.id.notification_status); viewHolder.unreadCount = layout.findViewById(R.id.unread_count); viewHolder.avatar = layout.findViewById(R.id.conversation_image); layout.setTag(viewHolder); } return viewHolder; } } class BitmapWorkerTask extends AsyncTask { private final WeakReference imageViewReference; private Conversation conversation = null; public BitmapWorkerTask(ImageView imageView) { imageViewReference = new WeakReference<>(imageView); } @Override protected Bitmap doInBackground(Conversation... params) { this.conversation = params[0]; return activity.avatarService().get(this.conversation, 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); } } } } public void loadAvatar(Conversation conversation, ImageView imageView) { if (cancelPotentialWork(conversation, imageView)) { final Bitmap bm = activity.avatarService().get(conversation, activity.getPixel(56), true); if (bm != null) { cancelPotentialWork(conversation, imageView); imageView.setImageBitmap(bm); imageView.setBackgroundColor(0x00000000); } else { imageView.setBackgroundColor(UIHelper.getColorForName(conversation.getName())); imageView.setImageDrawable(null); final BitmapWorkerTask task = new BitmapWorkerTask(imageView); final AsyncDrawable asyncDrawable = new AsyncDrawable(activity.getResources(), null, task); imageView.setImageDrawable(asyncDrawable); try { task.execute(conversation); } catch (final RejectedExecutionException ignored) { } } } } public static boolean cancelPotentialWork(Conversation conversation, ImageView imageView) { final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView); if (bitmapWorkerTask != null) { final Conversation oldConversation = bitmapWorkerTask.conversation; if (oldConversation == null || conversation != oldConversation) { 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 bitmapWorkerTaskReference; public AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) { super(res, bitmap); bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask); } public BitmapWorkerTask getBitmapWorkerTask() { return bitmapWorkerTaskReference.get(); } } }