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