1package eu.siacs.conversations.ui.adapter;
2
3import android.content.Context;
4import android.content.res.Resources;
5import android.graphics.Bitmap;
6import android.graphics.Typeface;
7import android.graphics.drawable.BitmapDrawable;
8import android.graphics.drawable.Drawable;
9import android.os.AsyncTask;
10import android.support.annotation.NonNull;
11import android.support.v7.widget.RecyclerView;
12import android.util.Pair;
13import android.view.LayoutInflater;
14import android.view.View;
15import android.view.ViewGroup;
16import android.widget.ImageView;
17import android.widget.TextView;
18
19import java.lang.ref.WeakReference;
20import java.util.List;
21import java.util.concurrent.RejectedExecutionException;
22
23import eu.siacs.conversations.R;
24import eu.siacs.conversations.entities.Conversation;
25import eu.siacs.conversations.entities.Message;
26import eu.siacs.conversations.entities.Transferable;
27import eu.siacs.conversations.ui.XmppActivity;
28import eu.siacs.conversations.ui.widget.UnreadCountCustomView;
29import eu.siacs.conversations.utils.EmojiWrapper;
30import eu.siacs.conversations.utils.IrregularUnicodeDetector;
31import eu.siacs.conversations.utils.UIHelper;
32import rocks.xmpp.addr.Jid;
33
34public class ConversationAdapter extends RecyclerView.Adapter<ConversationAdapter.ConversationViewHolder> {
35
36 private XmppActivity activity;
37 private List<Conversation> conversations;
38 private OnConversationClickListener listener;
39
40 public ConversationAdapter(XmppActivity activity, List<Conversation> conversations) {
41 this.activity = activity;
42 this.conversations = conversations;
43 }
44
45 private static boolean cancelPotentialWork(Conversation conversation, ImageView imageView) {
46 final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
47
48 if (bitmapWorkerTask != null) {
49 final Conversation oldConversation = bitmapWorkerTask.conversation;
50 if (oldConversation == null || conversation != oldConversation) {
51 bitmapWorkerTask.cancel(true);
52 } else {
53 return false;
54 }
55 }
56 return true;
57 }
58
59 private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
60 if (imageView != null) {
61 final Drawable drawable = imageView.getDrawable();
62 if (drawable instanceof AsyncDrawable) {
63 final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
64 return asyncDrawable.getBitmapWorkerTask();
65 }
66 }
67 return null;
68 }
69
70 @NonNull
71 @Override
72 public ConversationViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
73 LayoutInflater inflater = (LayoutInflater) activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
74 View view = inflater.inflate(R.layout.conversation_list_row, parent, false);
75 ConversationViewHolder conversationViewHolder = ConversationViewHolder.get(view);
76 return conversationViewHolder;
77 }
78
79 @Override
80 public void onBindViewHolder(@NonNull ConversationViewHolder viewHolder, int position) {
81 Conversation conversation = conversations.get(position);
82 if (conversation == null) {
83 return;
84 }
85 if (conversation.getMode() == Conversation.MODE_SINGLE || activity.useSubjectToIdentifyConference()) {
86 CharSequence name = conversation.getName();
87 if (name instanceof Jid) {
88 viewHolder.name.setText(IrregularUnicodeDetector.style(activity, (Jid) name));
89 } else {
90 viewHolder.name.setText(EmojiWrapper.transform(name));
91 }
92 } else {
93 viewHolder.name.setText(conversation.getJid().asBareJid().toString());
94 }
95
96 Message message = conversation.getLatestMessage();
97 final int unreadCount = conversation.unreadCount();
98 final boolean isRead = conversation.isRead();
99 final Conversation.Draft draft = isRead ? conversation.getDraft() : null;
100 if (unreadCount > 0) {
101 viewHolder.unreadCount.setVisibility(View.VISIBLE);
102 viewHolder.unreadCount.setUnreadCount(unreadCount);
103 } else {
104 viewHolder.unreadCount.setVisibility(View.GONE);
105 }
106
107 if (isRead) {
108 viewHolder.name.setTypeface(null, Typeface.NORMAL);
109 } else {
110 viewHolder.name.setTypeface(null, Typeface.BOLD);
111 }
112
113 if (draft != null) {
114 viewHolder.lastMessageIcon.setVisibility(View.GONE);
115 viewHolder.lastMessage.setText(EmojiWrapper.transform(draft.getMessage()));
116 viewHolder.sender.setText(R.string.draft);
117 viewHolder.sender.setVisibility(View.VISIBLE);
118 viewHolder.lastMessage.setTypeface(null, Typeface.NORMAL);
119 viewHolder.sender.setTypeface(null, Typeface.ITALIC);
120 } else {
121 final boolean fileAvailable = message.getTransferable() == null || message.getTransferable().getStatus() != Transferable.STATUS_DELETED;
122 final boolean showPreviewText;
123 if (fileAvailable && (message.isFileOrImage() || message.treatAsDownloadable() || message.isGeoUri())) {
124 final int imageResource;
125 if (message.isGeoUri()) {
126 imageResource = activity.getThemeResource(R.attr.ic_attach_location, R.drawable.ic_attach_location);
127 showPreviewText = false;
128 } else {
129 final String mime = message.getMimeType();
130 switch (mime == null ? "" : mime.split("/")[0]) {
131 case "image":
132 imageResource = activity.getThemeResource(R.attr.ic_attach_photo, R.drawable.ic_attach_photo);
133 showPreviewText = false;
134 break;
135 case "video":
136 imageResource = activity.getThemeResource(R.attr.ic_attach_videocam, R.drawable.ic_attach_videocam);
137 showPreviewText = false;
138 break;
139 case "audio":
140 imageResource = activity.getThemeResource(R.attr.ic_attach_record, R.drawable.ic_attach_record);
141 showPreviewText = false;
142 break;
143 default:
144 imageResource = activity.getThemeResource(R.attr.ic_attach_document, R.drawable.ic_attach_document);
145 showPreviewText = true;
146 break;
147 }
148 }
149 viewHolder.lastMessageIcon.setImageResource(imageResource);
150 viewHolder.lastMessageIcon.setVisibility(View.VISIBLE);
151 } else {
152 viewHolder.lastMessageIcon.setVisibility(View.GONE);
153 showPreviewText = true;
154 }
155 final Pair<String, Boolean> preview = UIHelper.getMessagePreview(activity, message);
156 if (showPreviewText) {
157 viewHolder.lastMessage.setText(EmojiWrapper.transform(preview.first));
158 } else {
159 viewHolder.lastMessageIcon.setContentDescription(preview.first);
160 }
161 viewHolder.lastMessage.setVisibility(showPreviewText ? View.VISIBLE : View.GONE);
162 if (preview.second) {
163 if (isRead) {
164 viewHolder.lastMessage.setTypeface(null, Typeface.ITALIC);
165 viewHolder.sender.setTypeface(null, Typeface.NORMAL);
166 } else {
167 viewHolder.lastMessage.setTypeface(null, Typeface.BOLD_ITALIC);
168 viewHolder.sender.setTypeface(null, Typeface.BOLD);
169 }
170 } else {
171 if (isRead) {
172 viewHolder.lastMessage.setTypeface(null, Typeface.NORMAL);
173 viewHolder.sender.setTypeface(null, Typeface.NORMAL);
174 } else {
175 viewHolder.lastMessage.setTypeface(null, Typeface.BOLD);
176 viewHolder.sender.setTypeface(null, Typeface.BOLD);
177 }
178 }
179 if (message.getStatus() == Message.STATUS_RECEIVED) {
180 if (conversation.getMode() == Conversation.MODE_MULTI) {
181 viewHolder.sender.setVisibility(View.VISIBLE);
182 viewHolder.sender.setText(UIHelper.getMessageDisplayName(message).split("\\s+")[0] + ':');
183 } else {
184 viewHolder.sender.setVisibility(View.GONE);
185 }
186 } else if (message.getType() != Message.TYPE_STATUS) {
187 viewHolder.sender.setVisibility(View.VISIBLE);
188 viewHolder.sender.setText(activity.getString(R.string.me) + ':');
189 } else {
190 viewHolder.sender.setVisibility(View.GONE);
191 }
192 }
193
194 long muted_till = conversation.getLongAttribute(Conversation.ATTRIBUTE_MUTED_TILL, 0);
195 if (muted_till == Long.MAX_VALUE) {
196 viewHolder.notificationIcon.setVisibility(View.VISIBLE);
197 int ic_notifications_off = activity.getThemeResource(R.attr.icon_notifications_off, R.drawable.ic_notifications_off_black_24dp);
198 viewHolder.notificationIcon.setImageResource(ic_notifications_off);
199 } else if (muted_till >= System.currentTimeMillis()) {
200 viewHolder.notificationIcon.setVisibility(View.VISIBLE);
201 int ic_notifications_paused = activity.getThemeResource(R.attr.icon_notifications_paused, R.drawable.ic_notifications_paused_black_24dp);
202 viewHolder.notificationIcon.setImageResource(ic_notifications_paused);
203 } else if (conversation.alwaysNotify()) {
204 viewHolder.notificationIcon.setVisibility(View.GONE);
205 } else {
206 viewHolder.notificationIcon.setVisibility(View.VISIBLE);
207 int ic_notifications_none = activity.getThemeResource(R.attr.icon_notifications_none, R.drawable.ic_notifications_none_black_24dp);
208 viewHolder.notificationIcon.setImageResource(ic_notifications_none);
209 }
210
211 long timestamp;
212 if (draft != null) {
213 timestamp = draft.getTimestamp();
214 } else {
215 timestamp = conversation.getLatestMessage().getTimeSent();
216 }
217 viewHolder.timestamp.setText(UIHelper.readableTimeDifference(activity, timestamp));
218 loadAvatar(conversation, viewHolder.avatar);
219 viewHolder.itemView.setOnClickListener(v -> listener.onConversationClick(v,conversation));
220 }
221
222 @Override
223 public int getItemCount() {
224 return conversations.size();
225 }
226
227 public void setConversationClickListener(OnConversationClickListener listener) {
228 this.listener = listener;
229 }
230
231 private void loadAvatar(Conversation conversation, ImageView imageView) {
232 if (cancelPotentialWork(conversation, imageView)) {
233 final Bitmap bm = activity.avatarService().get(conversation, activity.getPixel(56), true);
234 if (bm != null) {
235 cancelPotentialWork(conversation, imageView);
236 imageView.setImageBitmap(bm);
237 imageView.setBackgroundColor(0x00000000);
238 } else {
239 imageView.setBackgroundColor(UIHelper.getColorForName(conversation.getName().toString()));
240 imageView.setImageDrawable(null);
241 final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
242 final AsyncDrawable asyncDrawable = new AsyncDrawable(activity.getResources(), null, task);
243 imageView.setImageDrawable(asyncDrawable);
244 try {
245 task.execute(conversation);
246 } catch (final RejectedExecutionException ignored) {
247 }
248 }
249 }
250 }
251
252 public void insert(Conversation c, int position) {
253 conversations.add(position,c);
254 notifyDataSetChanged();
255 }
256
257 public void remove(Conversation conversation,int position) {
258 conversations.remove(conversation);
259 notifyItemRemoved(position);
260 }
261
262 public static class ConversationViewHolder extends RecyclerView.ViewHolder {
263 private TextView name;
264 private TextView lastMessage;
265 private ImageView lastMessageIcon;
266 private TextView sender;
267 private TextView timestamp;
268 private ImageView notificationIcon;
269 private UnreadCountCustomView unreadCount;
270 private ImageView avatar;
271
272 private ConversationViewHolder(View view) {
273 super(view);
274 }
275
276 public static ConversationViewHolder get(View layout) {
277 ConversationViewHolder conversationViewHolder = (ConversationViewHolder) layout.getTag();
278 if (conversationViewHolder == null) {
279 conversationViewHolder = new ConversationViewHolder(layout);
280 conversationViewHolder.name = layout.findViewById(R.id.conversation_name);
281 conversationViewHolder.lastMessage = layout.findViewById(R.id.conversation_lastmsg);
282 conversationViewHolder.lastMessageIcon = layout.findViewById(R.id.conversation_lastmsg_img);
283 conversationViewHolder.timestamp = layout.findViewById(R.id.conversation_lastupdate);
284 conversationViewHolder.sender = layout.findViewById(R.id.sender_name);
285 conversationViewHolder.notificationIcon = layout.findViewById(R.id.notification_status);
286 conversationViewHolder.unreadCount = layout.findViewById(R.id.unread_count);
287 conversationViewHolder.avatar = layout.findViewById(R.id.conversation_image);
288 layout.setTag(conversationViewHolder);
289 }
290 return conversationViewHolder;
291 }
292 }
293
294 static class AsyncDrawable extends BitmapDrawable {
295 private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
296
297 public AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) {
298 super(res, bitmap);
299 bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask);
300 }
301
302 public BitmapWorkerTask getBitmapWorkerTask() {
303 return bitmapWorkerTaskReference.get();
304 }
305 }
306
307 class BitmapWorkerTask extends AsyncTask<Conversation, Void, Bitmap> {
308 private final WeakReference<ImageView> imageViewReference;
309 private Conversation conversation = null;
310
311 public BitmapWorkerTask(ImageView imageView) {
312 imageViewReference = new WeakReference<>(imageView);
313 }
314
315 @Override
316 protected Bitmap doInBackground(Conversation... params) {
317 this.conversation = params[0];
318 return activity.avatarService().get(this.conversation, activity.getPixel(56), isCancelled());
319 }
320
321 @Override
322 protected void onPostExecute(Bitmap bitmap) {
323 if (bitmap != null && !isCancelled()) {
324 final ImageView imageView = imageViewReference.get();
325 if (imageView != null) {
326 imageView.setImageBitmap(bitmap);
327 imageView.setBackgroundColor(0x00000000);
328 }
329 }
330 }
331 }
332
333 public interface OnConversationClickListener {
334 void onConversationClick(View view, Conversation conversation);
335 }
336}