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.Log;
11import android.util.Pair;
12import android.view.LayoutInflater;
13import android.view.View;
14import android.view.ViewGroup;
15import android.widget.ArrayAdapter;
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.Config;
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.ConversationActivity;
29import eu.siacs.conversations.ui.ConversationFragment;
30import eu.siacs.conversations.ui.XmppActivity;
31import eu.siacs.conversations.ui.widget.UnreadCountCustomView;
32import eu.siacs.conversations.utils.EmojiWrapper;
33import eu.siacs.conversations.utils.UIHelper;
34
35public class ConversationAdapter extends ArrayAdapter<Conversation> {
36
37 private XmppActivity activity;
38 private Conversation selectedConversation = null;
39
40 public ConversationAdapter(XmppActivity activity, List<Conversation> conversations) {
41 super(activity, 0, conversations);
42 this.activity = activity;
43 }
44
45 @Override
46 public View getView(int position, View view, ViewGroup parent) {
47 if (view == null) {
48 LayoutInflater inflater = (LayoutInflater) activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
49 view = inflater.inflate(R.layout.conversation_list_row,parent, false);
50 }
51 Conversation conversation = getItem(position);
52 if (this.activity instanceof XmppActivity) {
53 View swipeableItem = view.findViewById(R.id.swipeable_item);
54 int c = conversation == selectedConversation ? this.activity.getSecondaryBackgroundColor() : this.activity.getPrimaryBackgroundColor();
55 swipeableItem.setBackgroundColor(c);
56 }
57 ViewHolder viewHolder = ViewHolder.get(view);
58 if (conversation.getMode() == Conversation.MODE_SINGLE || activity.useSubjectToIdentifyConference()) {
59 viewHolder.name.setText(EmojiWrapper.transform(conversation.getName()));
60 } else {
61 viewHolder.name.setText(conversation.getJid().toBareJid().toString());
62 }
63
64 Message message = conversation.getLatestMessage();
65 int unreadCount = conversation.unreadCount();
66 if (unreadCount > 0) {
67 viewHolder.unreadCount.setVisibility(View.VISIBLE);
68 viewHolder.unreadCount.setUnreadCount(unreadCount);
69 } else {
70 viewHolder.unreadCount.setVisibility(View.GONE);
71 }
72
73 if (!conversation.isRead()) {
74 viewHolder.name.setTypeface(null, Typeface.BOLD);
75 } else {
76 viewHolder.name.setTypeface(null, Typeface.NORMAL);
77 }
78
79 final boolean fileAvailable = message.getTransferable() == null || message.getTransferable().getStatus() != Transferable.STATUS_DELETED;
80 final boolean showPreviewText;
81 if (fileAvailable && (message.isFileOrImage() || message.treatAsDownloadable() || message.isGeoUri())) {
82 final int imageResource;
83 if (message.isGeoUri()) {
84 imageResource = activity.getThemeResource(R.attr.ic_attach_location, R.drawable.ic_attach_location);
85 showPreviewText = false;
86 } else {
87 final String mime = message.getMimeType();
88 switch (mime == null ? "" : mime.split("/")[0]) {
89 case "image":
90 imageResource = activity.getThemeResource(R.attr.ic_attach_photo, R.drawable.ic_attach_photo);
91 showPreviewText = false;
92 break;
93 case "video":
94 imageResource = activity.getThemeResource(R.attr.ic_attach_videocam, R.drawable.ic_attach_videocam);
95 showPreviewText = false;
96 break;
97 case "audio":
98 imageResource = activity.getThemeResource(R.attr.ic_attach_record, R.drawable.ic_attach_record);
99 showPreviewText = false;
100 break;
101 default:
102 imageResource = activity.getThemeResource(R.attr.ic_attach_document, R.drawable.ic_attach_document);
103 showPreviewText = true;
104 break;
105 }
106 }
107 viewHolder.lastMessageIcon.setImageResource(imageResource);
108 viewHolder.lastMessageIcon.setVisibility(View.VISIBLE);
109 } else {
110 viewHolder.lastMessageIcon.setVisibility(View.GONE);
111 showPreviewText = true;
112 }
113 final Pair<String,Boolean> preview = UIHelper.getMessagePreview(activity,message);
114 if (showPreviewText) {
115 viewHolder.lastMessage.setText(EmojiWrapper.transform(preview.first));
116 } else {
117 viewHolder.lastMessageIcon.setContentDescription(preview.first);
118 }
119 viewHolder.lastMessage.setVisibility(showPreviewText ? View.VISIBLE : View.GONE);
120 if (preview.second) {
121 if (conversation.isRead()) {
122 viewHolder.lastMessage.setTypeface(null, Typeface.ITALIC);
123 viewHolder.sender.setTypeface(null, Typeface.NORMAL);
124 } else {
125 viewHolder.lastMessage.setTypeface(null,Typeface.BOLD_ITALIC);
126 viewHolder.sender.setTypeface(null,Typeface.BOLD);
127 }
128 } else {
129 if (conversation.isRead()) {
130 viewHolder.lastMessage.setTypeface(null,Typeface.NORMAL);
131 viewHolder.sender.setTypeface(null,Typeface.NORMAL);
132 } else {
133 viewHolder.lastMessage.setTypeface(null,Typeface.BOLD);
134 viewHolder.sender.setTypeface(null,Typeface.BOLD);
135 }
136 }
137 if (message.getStatus() == Message.STATUS_RECEIVED) {
138 if (conversation.getMode() == Conversation.MODE_MULTI) {
139 viewHolder.sender.setVisibility(View.VISIBLE);
140 viewHolder.sender.setText(UIHelper.getMessageDisplayName(message).split("\\s+")[0]+':');
141 } else {
142 viewHolder.sender.setVisibility(View.GONE);
143 }
144 } else if (message.getType() != Message.TYPE_STATUS) {
145 viewHolder.sender.setVisibility(View.VISIBLE);
146 viewHolder.sender.setText(activity.getString(R.string.me)+':');
147 } else {
148 viewHolder.sender.setVisibility(View.GONE);
149 }
150
151 long muted_till = conversation.getLongAttribute(Conversation.ATTRIBUTE_MUTED_TILL,0);
152 if (muted_till == Long.MAX_VALUE) {
153 viewHolder.notificationIcon.setVisibility(View.VISIBLE);
154 int ic_notifications_off = activity.getThemeResource(R.attr.icon_notifications_off, R.drawable.ic_notifications_off_black_24dp);
155 viewHolder.notificationIcon.setImageResource(ic_notifications_off);
156 } else if (muted_till >= System.currentTimeMillis()) {
157 viewHolder.notificationIcon.setVisibility(View.VISIBLE);
158 int ic_notifications_paused = activity.getThemeResource(R.attr.icon_notifications_paused, R.drawable.ic_notifications_paused_black_24dp);
159 viewHolder.notificationIcon.setImageResource(ic_notifications_paused);
160 } else if (conversation.alwaysNotify()) {
161 viewHolder.notificationIcon.setVisibility(View.GONE);
162 } else {
163 viewHolder.notificationIcon.setVisibility(View.VISIBLE);
164 int ic_notifications_none = activity.getThemeResource(R.attr.icon_notifications_none, R.drawable.ic_notifications_none_black_24dp);
165 viewHolder.notificationIcon.setImageResource(ic_notifications_none);
166 }
167
168 viewHolder.timestamp.setText(UIHelper.readableTimeDifference(activity,conversation.getLatestMessage().getTimeSent()));
169 loadAvatar(conversation, viewHolder.avatar);
170
171 return view;
172 }
173
174 @Override
175 public void notifyDataSetChanged() {
176 this.selectedConversation = ConversationFragment.getConversation(activity);
177 Log.d(Config.LOGTAG,"notify data set changed");
178 if (this.selectedConversation == null) {
179 Log.d(Config.LOGTAG,"selected conversation is null");
180 }
181 super.notifyDataSetChanged();
182 }
183
184 public static class ViewHolder {
185 private TextView name;
186 private TextView lastMessage;
187 private ImageView lastMessageIcon;
188 private TextView sender;
189 private TextView timestamp;
190 private ImageView notificationIcon;
191 private UnreadCountCustomView unreadCount;
192 private ImageView avatar;
193
194 private ViewHolder() {
195
196 }
197
198 public static ViewHolder get(View layout) {
199 ViewHolder viewHolder = (ViewHolder) layout.getTag();
200 if (viewHolder == null) {
201 viewHolder = new ViewHolder();
202 viewHolder.name = layout.findViewById(R.id.conversation_name);
203 viewHolder.lastMessage = layout.findViewById(R.id.conversation_lastmsg);
204 viewHolder.lastMessageIcon = layout.findViewById(R.id.conversation_lastmsg_img);
205 viewHolder.timestamp = layout.findViewById(R.id.conversation_lastupdate);
206 viewHolder.sender = layout.findViewById(R.id.sender_name);
207 viewHolder.notificationIcon = layout.findViewById(R.id.notification_status);
208 viewHolder.unreadCount = layout.findViewById(R.id.unread_count);
209 viewHolder.avatar = layout.findViewById(R.id.conversation_image);
210 layout.setTag(viewHolder);
211 }
212 return viewHolder;
213 }
214 }
215
216 class BitmapWorkerTask extends AsyncTask<Conversation, Void, Bitmap> {
217 private final WeakReference<ImageView> imageViewReference;
218 private Conversation conversation = null;
219
220 public BitmapWorkerTask(ImageView imageView) {
221 imageViewReference = new WeakReference<>(imageView);
222 }
223
224 @Override
225 protected Bitmap doInBackground(Conversation... params) {
226 this.conversation = params[0];
227 return activity.avatarService().get(this.conversation, activity.getPixel(56), isCancelled());
228 }
229
230 @Override
231 protected void onPostExecute(Bitmap bitmap) {
232 if (bitmap != null && !isCancelled()) {
233 final ImageView imageView = imageViewReference.get();
234 if (imageView != null) {
235 imageView.setImageBitmap(bitmap);
236 imageView.setBackgroundColor(0x00000000);
237 }
238 }
239 }
240 }
241
242 public void loadAvatar(Conversation conversation, ImageView imageView) {
243 if (cancelPotentialWork(conversation, imageView)) {
244 final Bitmap bm = activity.avatarService().get(conversation, activity.getPixel(56), true);
245 if (bm != null) {
246 cancelPotentialWork(conversation, imageView);
247 imageView.setImageBitmap(bm);
248 imageView.setBackgroundColor(0x00000000);
249 } else {
250 imageView.setBackgroundColor(UIHelper.getColorForName(conversation.getName()));
251 imageView.setImageDrawable(null);
252 final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
253 final AsyncDrawable asyncDrawable = new AsyncDrawable(activity.getResources(), null, task);
254 imageView.setImageDrawable(asyncDrawable);
255 try {
256 task.execute(conversation);
257 } catch (final RejectedExecutionException ignored) {
258 }
259 }
260 }
261 }
262
263 public static boolean cancelPotentialWork(Conversation conversation, ImageView imageView) {
264 final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
265
266 if (bitmapWorkerTask != null) {
267 final Conversation oldConversation = bitmapWorkerTask.conversation;
268 if (oldConversation == null || conversation != oldConversation) {
269 bitmapWorkerTask.cancel(true);
270 } else {
271 return false;
272 }
273 }
274 return true;
275 }
276
277 private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
278 if (imageView != null) {
279 final Drawable drawable = imageView.getDrawable();
280 if (drawable instanceof AsyncDrawable) {
281 final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
282 return asyncDrawable.getBitmapWorkerTask();
283 }
284 }
285 return null;
286 }
287
288 static class AsyncDrawable extends BitmapDrawable {
289 private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
290
291 public AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) {
292 super(res, bitmap);
293 bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask);
294 }
295
296 public BitmapWorkerTask getBitmapWorkerTask() {
297 return bitmapWorkerTaskReference.get();
298 }
299 }
300}