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