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 if (message.getFileParams().width > 0 && fileAvailable) {
78 viewHolder.sender.setVisibility(View.GONE);
79 viewHolder.lastMessage.setVisibility(View.GONE);
80 viewHolder.lastMessageIcon.setVisibility(View.GONE);
81 viewHolder.lastImage.setVisibility(View.VISIBLE);
82 activity.loadBitmap(message, viewHolder.lastImage);
83 } else {
84 final boolean showPreviewText;
85 if (message.getType() == Message.TYPE_FILE && fileAvailable) {
86 if (message.getFileParams().runtime > 0) {
87 showPreviewText = false;
88 viewHolder.lastMessageIcon.setImageResource(activity.getThemeResource(R.attr.ic_attach_record, R.drawable.ic_attach_record));
89 } else {
90 showPreviewText = true;
91 viewHolder.lastMessageIcon.setImageResource(activity.getThemeResource(R.attr.ic_attach_document, R.drawable.ic_attach_document));
92 }
93 viewHolder.lastMessageIcon.setVisibility(View.VISIBLE);
94 } else if (message.isGeoUri()) {
95 showPreviewText = false;
96 viewHolder.lastMessageIcon.setImageResource(activity.getThemeResource(R.attr.ic_attach_location, R.drawable.ic_attach_location));
97 viewHolder.lastMessageIcon.setVisibility(View.VISIBLE);
98 } else {
99 showPreviewText = true;
100 viewHolder.lastMessageIcon.setVisibility(View.GONE);
101 }
102
103 final Pair<String,Boolean> preview = UIHelper.getMessagePreview(activity,message);
104 if (showPreviewText) {
105 viewHolder.lastMessage.setText(EmojiWrapper.transform(preview.first));
106 } else {
107 viewHolder.lastMessage.setContentDescription(preview.first);
108 }
109 viewHolder.lastMessage.setVisibility(showPreviewText ? View.VISIBLE : View.GONE);
110 viewHolder.lastImage.setVisibility(View.GONE);
111 if (preview.second) {
112 if (conversation.isRead()) {
113 viewHolder.lastMessage.setTypeface(null, Typeface.ITALIC);
114 viewHolder.sender.setTypeface(null, Typeface.NORMAL);
115 } else {
116 viewHolder.lastMessage.setTypeface(null,Typeface.BOLD_ITALIC);
117 viewHolder.sender.setTypeface(null,Typeface.BOLD);
118 }
119 } else {
120 if (conversation.isRead()) {
121 viewHolder.lastMessage.setTypeface(null,Typeface.NORMAL);
122 viewHolder.sender.setTypeface(null,Typeface.NORMAL);
123 } else {
124 viewHolder.lastMessage.setTypeface(null,Typeface.BOLD);
125 viewHolder.sender.setTypeface(null,Typeface.BOLD);
126 }
127 }
128 if (message.getStatus() == Message.STATUS_RECEIVED) {
129 if (conversation.getMode() == Conversation.MODE_MULTI) {
130 viewHolder.sender.setVisibility(View.VISIBLE);
131 viewHolder.sender.setText(UIHelper.getMessageDisplayName(message).split("\\s+")[0]+':');
132 } else {
133 viewHolder.sender.setVisibility(View.GONE);
134 }
135 } else if (message.getType() != Message.TYPE_STATUS) {
136 viewHolder.sender.setVisibility(View.VISIBLE);
137 viewHolder.sender.setText(activity.getString(R.string.me)+':');
138 } else {
139 viewHolder.sender.setVisibility(View.GONE);
140 }
141 }
142
143 long muted_till = conversation.getLongAttribute(Conversation.ATTRIBUTE_MUTED_TILL,0);
144 if (muted_till == Long.MAX_VALUE) {
145 viewHolder.notificationIcon.setVisibility(View.VISIBLE);
146 int ic_notifications_off = activity.getThemeResource(R.attr.icon_notifications_off, R.drawable.ic_notifications_off_black_24dp);
147 viewHolder.notificationIcon.setImageResource(ic_notifications_off);
148 } else if (muted_till >= System.currentTimeMillis()) {
149 viewHolder.notificationIcon.setVisibility(View.VISIBLE);
150 int ic_notifications_paused = activity.getThemeResource(R.attr.icon_notifications_paused, R.drawable.ic_notifications_paused_black_24dp);
151 viewHolder.notificationIcon.setImageResource(ic_notifications_paused);
152 } else if (conversation.alwaysNotify()) {
153 viewHolder.notificationIcon.setVisibility(View.GONE);
154 } else {
155 viewHolder.notificationIcon.setVisibility(View.VISIBLE);
156 int ic_notifications_none = activity.getThemeResource(R.attr.icon_notifications_none, R.drawable.ic_notifications_none_black_24dp);
157 viewHolder.notificationIcon.setImageResource(ic_notifications_none);
158 }
159
160 viewHolder.timestamp.setText(UIHelper.readableTimeDifference(activity,conversation.getLatestMessage().getTimeSent()));
161 loadAvatar(conversation, viewHolder.avatar);
162
163 return view;
164 }
165
166 public static class ViewHolder {
167 private TextView name;
168 private TextView lastMessage;
169 private ImageView lastMessageIcon;
170 private TextView sender;
171 private TextView timestamp;
172 private ImageView lastImage;
173 private ImageView notificationIcon;
174 private UnreadCountCustomView unreadCount;
175 private ImageView avatar;
176
177 private ViewHolder() {
178
179 }
180
181 public static ViewHolder get(View layout) {
182 ViewHolder viewHolder = (ViewHolder) layout.getTag();
183 if (viewHolder == null) {
184 viewHolder = new ViewHolder();
185 viewHolder.name = layout.findViewById(R.id.conversation_name);
186 viewHolder.lastMessage = layout.findViewById(R.id.conversation_lastmsg);
187 viewHolder.lastMessageIcon = layout.findViewById(R.id.conversation_lastmsg_img);
188 viewHolder.timestamp = layout.findViewById(R.id.conversation_lastupdate);
189 viewHolder.sender = layout.findViewById(R.id.sender_name);
190 viewHolder.lastImage = layout.findViewById(R.id.conversation_lastimage);
191 viewHolder.notificationIcon = layout.findViewById(R.id.notification_status);
192 viewHolder.unreadCount = layout.findViewById(R.id.unread_count);
193 viewHolder.avatar = layout.findViewById(R.id.conversation_image);
194 layout.setTag(viewHolder);
195 }
196 return viewHolder;
197 }
198 }
199
200 class BitmapWorkerTask extends AsyncTask<Conversation, Void, Bitmap> {
201 private final WeakReference<ImageView> imageViewReference;
202 private Conversation conversation = null;
203
204 public BitmapWorkerTask(ImageView imageView) {
205 imageViewReference = new WeakReference<>(imageView);
206 }
207
208 @Override
209 protected Bitmap doInBackground(Conversation... params) {
210 return activity.avatarService().get(params[0], activity.getPixel(56), isCancelled());
211 }
212
213 @Override
214 protected void onPostExecute(Bitmap bitmap) {
215 if (bitmap != null && !isCancelled()) {
216 final ImageView imageView = imageViewReference.get();
217 if (imageView != null) {
218 imageView.setImageBitmap(bitmap);
219 imageView.setBackgroundColor(0x00000000);
220 }
221 }
222 }
223 }
224
225 public void loadAvatar(Conversation conversation, ImageView imageView) {
226 if (cancelPotentialWork(conversation, imageView)) {
227 final Bitmap bm = activity.avatarService().get(conversation, activity.getPixel(56), true);
228 if (bm != null) {
229 cancelPotentialWork(conversation, imageView);
230 imageView.setImageBitmap(bm);
231 imageView.setBackgroundColor(0x00000000);
232 } else {
233 imageView.setBackgroundColor(UIHelper.getColorForName(conversation.getName()));
234 imageView.setImageDrawable(null);
235 final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
236 final AsyncDrawable asyncDrawable = new AsyncDrawable(activity.getResources(), null, task);
237 imageView.setImageDrawable(asyncDrawable);
238 try {
239 task.execute(conversation);
240 } catch (final RejectedExecutionException ignored) {
241 }
242 }
243 }
244 }
245
246 public static boolean cancelPotentialWork(Conversation conversation, ImageView imageView) {
247 final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
248
249 if (bitmapWorkerTask != null) {
250 final Conversation oldConversation = bitmapWorkerTask.conversation;
251 if (oldConversation == null || conversation != oldConversation) {
252 bitmapWorkerTask.cancel(true);
253 } else {
254 return false;
255 }
256 }
257 return true;
258 }
259
260 private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
261 if (imageView != null) {
262 final Drawable drawable = imageView.getDrawable();
263 if (drawable instanceof AsyncDrawable) {
264 final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
265 return asyncDrawable.getBitmapWorkerTask();
266 }
267 }
268 return null;
269 }
270
271 static class AsyncDrawable extends BitmapDrawable {
272 private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
273
274 public AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) {
275 super(res, bitmap);
276 bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask);
277 }
278
279 public BitmapWorkerTask getBitmapWorkerTask() {
280 return bitmapWorkerTaskReference.get();
281 }
282 }
283}