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.FrameLayout;
17import android.widget.ImageView;
18import android.widget.TextView;
19
20import java.lang.ref.WeakReference;
21import java.util.List;
22import java.util.concurrent.RejectedExecutionException;
23
24import eu.siacs.conversations.R;
25import eu.siacs.conversations.entities.Conversation;
26import eu.siacs.conversations.entities.Message;
27import eu.siacs.conversations.entities.Transferable;
28import eu.siacs.conversations.ui.ConversationFragment;
29import eu.siacs.conversations.ui.ConversationsOverviewFragment;
30import eu.siacs.conversations.ui.XmppActivity;
31import eu.siacs.conversations.ui.util.Color;
32import eu.siacs.conversations.ui.widget.UnreadCountCustomView;
33import eu.siacs.conversations.utils.EmojiWrapper;
34import eu.siacs.conversations.utils.IrregularUnicodeDetector;
35import eu.siacs.conversations.utils.UIHelper;
36import rocks.xmpp.addr.Jid;
37
38public class ConversationAdapter extends RecyclerView.Adapter<ConversationAdapter.ConversationViewHolder> {
39
40 private XmppActivity activity;
41 private List<Conversation> conversations;
42 private OnConversationClickListener listener;
43
44 public ConversationAdapter(XmppActivity activity, List<Conversation> conversations) {
45 this.activity = activity;
46 this.conversations = conversations;
47 }
48
49 private static boolean cancelPotentialWork(Conversation conversation, ImageView imageView) {
50 final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
51
52 if (bitmapWorkerTask != null) {
53 final Conversation oldConversation = bitmapWorkerTask.conversation;
54 if (oldConversation == null || conversation != oldConversation) {
55 bitmapWorkerTask.cancel(true);
56 } else {
57 return false;
58 }
59 }
60 return true;
61 }
62
63 private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
64 if (imageView != null) {
65 final Drawable drawable = imageView.getDrawable();
66 if (drawable instanceof AsyncDrawable) {
67 final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
68 return asyncDrawable.getBitmapWorkerTask();
69 }
70 }
71 return null;
72 }
73
74 @NonNull
75 @Override
76 public ConversationViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
77 LayoutInflater inflater = (LayoutInflater) activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
78 View view = inflater.inflate(R.layout.conversation_list_row, parent, false);
79 return ConversationViewHolder.get(view);
80 }
81
82 @Override
83 public void onBindViewHolder(@NonNull ConversationViewHolder viewHolder, int position) {
84 Conversation conversation = conversations.get(position);
85 if (conversation == null) {
86 return;
87 }
88 CharSequence name = conversation.getName();
89 if (name instanceof Jid) {
90 viewHolder.name.setText(IrregularUnicodeDetector.style(activity, (Jid) name));
91 } else {
92 viewHolder.name.setText(EmojiWrapper.transform(name));
93 }
94
95 if (conversation == ConversationFragment.getConversation(activity)) {
96 viewHolder.frame.setBackgroundColor(Color.get(activity,R.attr.color_background_tertiary));
97 } else {
98 viewHolder.frame.setBackgroundColor(Color.get(activity,R.attr.color_background_primary));
99 }
100
101 Message message = conversation.getLatestMessage();
102 final int unreadCount = conversation.unreadCount();
103 final boolean isRead = conversation.isRead();
104 final Conversation.Draft draft = isRead ? conversation.getDraft() : null;
105 if (unreadCount > 0) {
106 viewHolder.unreadCount.setVisibility(View.VISIBLE);
107 viewHolder.unreadCount.setUnreadCount(unreadCount);
108 } else {
109 viewHolder.unreadCount.setVisibility(View.GONE);
110 }
111
112 if (isRead) {
113 viewHolder.name.setTypeface(null, Typeface.NORMAL);
114 } else {
115 viewHolder.name.setTypeface(null, Typeface.BOLD);
116 }
117
118 if (draft != null) {
119 viewHolder.lastMessageIcon.setVisibility(View.GONE);
120 viewHolder.lastMessage.setText(EmojiWrapper.transform(draft.getMessage()));
121 viewHolder.sender.setText(R.string.draft);
122 viewHolder.sender.setVisibility(View.VISIBLE);
123 viewHolder.lastMessage.setTypeface(null, Typeface.NORMAL);
124 viewHolder.sender.setTypeface(null, Typeface.ITALIC);
125 } else {
126 final boolean fileAvailable = message.getTransferable() == null || message.getTransferable().getStatus() != Transferable.STATUS_DELETED;
127 final boolean showPreviewText;
128 if (fileAvailable && (message.isFileOrImage() || message.treatAsDownloadable() || message.isGeoUri())) {
129 final int imageResource;
130 if (message.isGeoUri()) {
131 imageResource = activity.getThemeResource(R.attr.ic_attach_location, R.drawable.ic_attach_location);
132 showPreviewText = false;
133 } else {
134 final String mime = message.getMimeType();
135 switch (mime == null ? "" : mime.split("/")[0]) {
136 case "image":
137 imageResource = activity.getThemeResource(R.attr.ic_attach_photo, R.drawable.ic_attach_photo);
138 showPreviewText = false;
139 break;
140 case "video":
141 imageResource = activity.getThemeResource(R.attr.ic_attach_videocam, R.drawable.ic_attach_videocam);
142 showPreviewText = false;
143 break;
144 case "audio":
145 imageResource = activity.getThemeResource(R.attr.ic_attach_record, R.drawable.ic_attach_record);
146 showPreviewText = false;
147 break;
148 default:
149 imageResource = activity.getThemeResource(R.attr.ic_attach_document, R.drawable.ic_attach_document);
150 showPreviewText = true;
151 break;
152 }
153 }
154 viewHolder.lastMessageIcon.setImageResource(imageResource);
155 viewHolder.lastMessageIcon.setVisibility(View.VISIBLE);
156 } else {
157 viewHolder.lastMessageIcon.setVisibility(View.GONE);
158 showPreviewText = true;
159 }
160 final Pair<CharSequence, Boolean> preview = UIHelper.getMessagePreview(activity, message, viewHolder.lastMessage.getCurrentTextColor());
161 if (showPreviewText) {
162 viewHolder.lastMessage.setText(EmojiWrapper.transform(UIHelper.shorten(preview.first)));
163 } else {
164 viewHolder.lastMessageIcon.setContentDescription(preview.first);
165 }
166 viewHolder.lastMessage.setVisibility(showPreviewText ? View.VISIBLE : View.GONE);
167 if (preview.second) {
168 if (isRead) {
169 viewHolder.lastMessage.setTypeface(null, Typeface.ITALIC);
170 viewHolder.sender.setTypeface(null, Typeface.NORMAL);
171 } else {
172 viewHolder.lastMessage.setTypeface(null, Typeface.BOLD_ITALIC);
173 viewHolder.sender.setTypeface(null, Typeface.BOLD);
174 }
175 } else {
176 if (isRead) {
177 viewHolder.lastMessage.setTypeface(null, Typeface.NORMAL);
178 viewHolder.sender.setTypeface(null, Typeface.NORMAL);
179 } else {
180 viewHolder.lastMessage.setTypeface(null, Typeface.BOLD);
181 viewHolder.sender.setTypeface(null, Typeface.BOLD);
182 }
183 }
184 if (message.getStatus() == Message.STATUS_RECEIVED) {
185 if (conversation.getMode() == Conversation.MODE_MULTI) {
186 viewHolder.sender.setVisibility(View.VISIBLE);
187 viewHolder.sender.setText(UIHelper.getMessageDisplayName(message).split("\\s+")[0] + ':');
188 } else {
189 viewHolder.sender.setVisibility(View.GONE);
190 }
191 } else if (message.getType() != Message.TYPE_STATUS) {
192 viewHolder.sender.setVisibility(View.VISIBLE);
193 viewHolder.sender.setText(activity.getString(R.string.me) + ':');
194 } else {
195 viewHolder.sender.setVisibility(View.GONE);
196 }
197 }
198
199 long muted_till = conversation.getLongAttribute(Conversation.ATTRIBUTE_MUTED_TILL, 0);
200 if (muted_till == Long.MAX_VALUE) {
201 viewHolder.notificationIcon.setVisibility(View.VISIBLE);
202 int ic_notifications_off = activity.getThemeResource(R.attr.icon_notifications_off, R.drawable.ic_notifications_off_black_24dp);
203 viewHolder.notificationIcon.setImageResource(ic_notifications_off);
204 } else if (muted_till >= System.currentTimeMillis()) {
205 viewHolder.notificationIcon.setVisibility(View.VISIBLE);
206 int ic_notifications_paused = activity.getThemeResource(R.attr.icon_notifications_paused, R.drawable.ic_notifications_paused_black_24dp);
207 viewHolder.notificationIcon.setImageResource(ic_notifications_paused);
208 } else if (conversation.alwaysNotify()) {
209 viewHolder.notificationIcon.setVisibility(View.GONE);
210 } else {
211 viewHolder.notificationIcon.setVisibility(View.VISIBLE);
212 int ic_notifications_none = activity.getThemeResource(R.attr.icon_notifications_none, R.drawable.ic_notifications_none_black_24dp);
213 viewHolder.notificationIcon.setImageResource(ic_notifications_none);
214 }
215
216 long timestamp;
217 if (draft != null) {
218 timestamp = draft.getTimestamp();
219 } else {
220 timestamp = conversation.getLatestMessage().getTimeSent();
221 }
222 viewHolder.timestamp.setText(UIHelper.readableTimeDifference(activity, timestamp));
223 loadAvatar(conversation, viewHolder.avatar);
224 viewHolder.itemView.setOnClickListener(v -> listener.onConversationClick(v,conversation));
225 }
226
227 @Override
228 public int getItemCount() {
229 return conversations.size();
230 }
231
232 public void setConversationClickListener(OnConversationClickListener listener) {
233 this.listener = listener;
234 }
235
236 private void loadAvatar(Conversation conversation, ImageView imageView) {
237 if (cancelPotentialWork(conversation, imageView)) {
238 final Bitmap bm = activity.avatarService().get(conversation, activity.getPixel(56), true);
239 if (bm != null) {
240 cancelPotentialWork(conversation, imageView);
241 imageView.setImageBitmap(bm);
242 imageView.setBackgroundColor(0x00000000);
243 } else {
244 imageView.setBackgroundColor(UIHelper.getColorForName(conversation.getName().toString()));
245 imageView.setImageDrawable(null);
246 final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
247 final AsyncDrawable asyncDrawable = new AsyncDrawable(activity.getResources(), null, task);
248 imageView.setImageDrawable(asyncDrawable);
249 try {
250 task.execute(conversation);
251 } catch (final RejectedExecutionException ignored) {
252 }
253 }
254 }
255 }
256
257 public void insert(Conversation c, int position) {
258 conversations.add(position,c);
259 notifyDataSetChanged();
260 }
261
262 public void remove(Conversation conversation,int position) {
263 conversations.remove(conversation);
264 notifyItemRemoved(position);
265 }
266
267 public static class ConversationViewHolder extends RecyclerView.ViewHolder {
268 private TextView name;
269 private TextView lastMessage;
270 private ImageView lastMessageIcon;
271 private TextView sender;
272 private TextView timestamp;
273 private ImageView notificationIcon;
274 private UnreadCountCustomView unreadCount;
275 private ImageView avatar;
276 private FrameLayout frame;
277
278 private ConversationViewHolder(View view) {
279 super(view);
280 }
281
282 public static ConversationViewHolder get(View layout) {
283 ConversationViewHolder conversationViewHolder = (ConversationViewHolder) layout.getTag();
284 if (conversationViewHolder == null) {
285 conversationViewHolder = new ConversationViewHolder(layout);
286 conversationViewHolder.frame = layout.findViewById(R.id.frame);
287 conversationViewHolder.name = layout.findViewById(R.id.conversation_name);
288 conversationViewHolder.lastMessage = layout.findViewById(R.id.conversation_lastmsg);
289 conversationViewHolder.lastMessageIcon = layout.findViewById(R.id.conversation_lastmsg_img);
290 conversationViewHolder.timestamp = layout.findViewById(R.id.conversation_lastupdate);
291 conversationViewHolder.sender = layout.findViewById(R.id.sender_name);
292 conversationViewHolder.notificationIcon = layout.findViewById(R.id.notification_status);
293 conversationViewHolder.unreadCount = layout.findViewById(R.id.unread_count);
294 conversationViewHolder.avatar = layout.findViewById(R.id.conversation_image);
295 layout.setTag(conversationViewHolder);
296 }
297 return conversationViewHolder;
298 }
299 }
300
301 static class AsyncDrawable extends BitmapDrawable {
302 private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
303
304 public AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) {
305 super(res, bitmap);
306 bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask);
307 }
308
309 public BitmapWorkerTask getBitmapWorkerTask() {
310 return bitmapWorkerTaskReference.get();
311 }
312 }
313
314 class BitmapWorkerTask extends AsyncTask<Conversation, Void, Bitmap> {
315 private final WeakReference<ImageView> imageViewReference;
316 private Conversation conversation = null;
317
318 public BitmapWorkerTask(ImageView imageView) {
319 imageViewReference = new WeakReference<>(imageView);
320 }
321
322 @Override
323 protected Bitmap doInBackground(Conversation... params) {
324 this.conversation = params[0];
325 return activity.avatarService().get(this.conversation, activity.getPixel(56), isCancelled());
326 }
327
328 @Override
329 protected void onPostExecute(Bitmap bitmap) {
330 if (bitmap != null && !isCancelled()) {
331 final ImageView imageView = imageViewReference.get();
332 if (imageView != null) {
333 imageView.setImageBitmap(bitmap);
334 imageView.setBackgroundColor(0x00000000);
335 }
336 }
337 }
338 }
339
340 public interface OnConversationClickListener {
341 void onConversationClick(View view, Conversation conversation);
342 }
343}