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.ConversationFragment;
29import eu.siacs.conversations.ui.XmppActivity;
30import eu.siacs.conversations.ui.util.Color;
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 ViewHolder viewHolder = ViewHolder.get(view);
52 Conversation conversation = getItem(position);
53 if (this.activity instanceof XmppActivity) {
54 int c = Color.get(activity, conversation == selectedConversation ? R.attr.color_background_secondary: R.attr.color_background_primary);
55 viewHolder.swipeableItem.setBackgroundColor(c);
56 }
57 if (conversation.getMode() == Conversation.MODE_SINGLE || activity.useSubjectToIdentifyConference()) {
58 viewHolder.name.setText(EmojiWrapper.transform(conversation.getName()));
59 } else {
60 viewHolder.name.setText(conversation.getJid().toBareJid().toString());
61 }
62
63 Message message = conversation.getLatestMessage();
64 int unreadCount = conversation.unreadCount();
65 if (unreadCount > 0) {
66 viewHolder.unreadCount.setVisibility(View.VISIBLE);
67 viewHolder.unreadCount.setUnreadCount(unreadCount);
68 } else {
69 viewHolder.unreadCount.setVisibility(View.GONE);
70 }
71
72 if (!conversation.isRead()) {
73 viewHolder.name.setTypeface(null, Typeface.BOLD);
74 } else {
75 viewHolder.name.setTypeface(null, Typeface.NORMAL);
76 }
77
78 final boolean fileAvailable = message.getTransferable() == null || message.getTransferable().getStatus() != Transferable.STATUS_DELETED;
79 final boolean showPreviewText;
80 if (fileAvailable && (message.isFileOrImage() || message.treatAsDownloadable() || message.isGeoUri())) {
81 final int imageResource;
82 if (message.isGeoUri()) {
83 imageResource = activity.getThemeResource(R.attr.ic_attach_location, R.drawable.ic_attach_location);
84 showPreviewText = false;
85 } else {
86 final String mime = message.getMimeType();
87 switch (mime == null ? "" : mime.split("/")[0]) {
88 case "image":
89 imageResource = activity.getThemeResource(R.attr.ic_attach_photo, R.drawable.ic_attach_photo);
90 showPreviewText = false;
91 break;
92 case "video":
93 imageResource = activity.getThemeResource(R.attr.ic_attach_videocam, R.drawable.ic_attach_videocam);
94 showPreviewText = false;
95 break;
96 case "audio":
97 imageResource = activity.getThemeResource(R.attr.ic_attach_record, R.drawable.ic_attach_record);
98 showPreviewText = false;
99 break;
100 default:
101 imageResource = activity.getThemeResource(R.attr.ic_attach_document, R.drawable.ic_attach_document);
102 showPreviewText = true;
103 break;
104 }
105 }
106 viewHolder.lastMessageIcon.setImageResource(imageResource);
107 viewHolder.lastMessageIcon.setVisibility(View.VISIBLE);
108 } else {
109 viewHolder.lastMessageIcon.setVisibility(View.GONE);
110 showPreviewText = true;
111 }
112 final Pair<String,Boolean> preview = UIHelper.getMessagePreview(activity,message);
113 if (showPreviewText) {
114 viewHolder.lastMessage.setText(EmojiWrapper.transform(preview.first));
115 } else {
116 viewHolder.lastMessageIcon.setContentDescription(preview.first);
117 }
118 viewHolder.lastMessage.setVisibility(showPreviewText ? View.VISIBLE : View.GONE);
119 if (preview.second) {
120 if (conversation.isRead()) {
121 viewHolder.lastMessage.setTypeface(null, Typeface.ITALIC);
122 viewHolder.sender.setTypeface(null, Typeface.NORMAL);
123 } else {
124 viewHolder.lastMessage.setTypeface(null,Typeface.BOLD_ITALIC);
125 viewHolder.sender.setTypeface(null,Typeface.BOLD);
126 }
127 } else {
128 if (conversation.isRead()) {
129 viewHolder.lastMessage.setTypeface(null,Typeface.NORMAL);
130 viewHolder.sender.setTypeface(null,Typeface.NORMAL);
131 } else {
132 viewHolder.lastMessage.setTypeface(null,Typeface.BOLD);
133 viewHolder.sender.setTypeface(null,Typeface.BOLD);
134 }
135 }
136 if (message.getStatus() == Message.STATUS_RECEIVED) {
137 if (conversation.getMode() == Conversation.MODE_MULTI) {
138 viewHolder.sender.setVisibility(View.VISIBLE);
139 viewHolder.sender.setText(UIHelper.getMessageDisplayName(message).split("\\s+")[0]+':');
140 } else {
141 viewHolder.sender.setVisibility(View.GONE);
142 }
143 } else if (message.getType() != Message.TYPE_STATUS) {
144 viewHolder.sender.setVisibility(View.VISIBLE);
145 viewHolder.sender.setText(activity.getString(R.string.me)+':');
146 } else {
147 viewHolder.sender.setVisibility(View.GONE);
148 }
149
150 long muted_till = conversation.getLongAttribute(Conversation.ATTRIBUTE_MUTED_TILL,0);
151 if (muted_till == Long.MAX_VALUE) {
152 viewHolder.notificationIcon.setVisibility(View.VISIBLE);
153 int ic_notifications_off = activity.getThemeResource(R.attr.icon_notifications_off, R.drawable.ic_notifications_off_black_24dp);
154 viewHolder.notificationIcon.setImageResource(ic_notifications_off);
155 } else if (muted_till >= System.currentTimeMillis()) {
156 viewHolder.notificationIcon.setVisibility(View.VISIBLE);
157 int ic_notifications_paused = activity.getThemeResource(R.attr.icon_notifications_paused, R.drawable.ic_notifications_paused_black_24dp);
158 viewHolder.notificationIcon.setImageResource(ic_notifications_paused);
159 } else if (conversation.alwaysNotify()) {
160 viewHolder.notificationIcon.setVisibility(View.GONE);
161 } else {
162 viewHolder.notificationIcon.setVisibility(View.VISIBLE);
163 int ic_notifications_none = activity.getThemeResource(R.attr.icon_notifications_none, R.drawable.ic_notifications_none_black_24dp);
164 viewHolder.notificationIcon.setImageResource(ic_notifications_none);
165 }
166
167 viewHolder.timestamp.setText(UIHelper.readableTimeDifference(activity,conversation.getLatestMessage().getTimeSent()));
168 loadAvatar(conversation, viewHolder.avatar);
169
170 return view;
171 }
172
173 @Override
174 public void notifyDataSetChanged() {
175 this.selectedConversation = ConversationFragment.getConversation(activity);
176 Log.d(Config.LOGTAG,"notify data set changed");
177 if (this.selectedConversation == null) {
178 Log.d(Config.LOGTAG,"selected conversation is null");
179 }
180 super.notifyDataSetChanged();
181 }
182
183 public static class ViewHolder {
184 private View swipeableItem;
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.swipeableItem = layout.findViewById(R.id.swipeable_item);
203 viewHolder.name = layout.findViewById(R.id.conversation_name);
204 viewHolder.lastMessage = layout.findViewById(R.id.conversation_lastmsg);
205 viewHolder.lastMessageIcon = layout.findViewById(R.id.conversation_lastmsg_img);
206 viewHolder.timestamp = layout.findViewById(R.id.conversation_lastupdate);
207 viewHolder.sender = layout.findViewById(R.id.sender_name);
208 viewHolder.notificationIcon = layout.findViewById(R.id.notification_status);
209 viewHolder.unreadCount = layout.findViewById(R.id.unread_count);
210 viewHolder.avatar = layout.findViewById(R.id.conversation_image);
211 layout.setTag(viewHolder);
212 }
213 return viewHolder;
214 }
215 }
216
217 class BitmapWorkerTask extends AsyncTask<Conversation, Void, Bitmap> {
218 private final WeakReference<ImageView> imageViewReference;
219 private Conversation conversation = null;
220
221 public BitmapWorkerTask(ImageView imageView) {
222 imageViewReference = new WeakReference<>(imageView);
223 }
224
225 @Override
226 protected Bitmap doInBackground(Conversation... params) {
227 this.conversation = params[0];
228 return activity.avatarService().get(this.conversation, activity.getPixel(56), isCancelled());
229 }
230
231 @Override
232 protected void onPostExecute(Bitmap bitmap) {
233 if (bitmap != null && !isCancelled()) {
234 final ImageView imageView = imageViewReference.get();
235 if (imageView != null) {
236 imageView.setImageBitmap(bitmap);
237 imageView.setBackgroundColor(0x00000000);
238 }
239 }
240 }
241 }
242
243 public void loadAvatar(Conversation conversation, ImageView imageView) {
244 if (cancelPotentialWork(conversation, imageView)) {
245 final Bitmap bm = activity.avatarService().get(conversation, activity.getPixel(56), true);
246 if (bm != null) {
247 cancelPotentialWork(conversation, imageView);
248 imageView.setImageBitmap(bm);
249 imageView.setBackgroundColor(0x00000000);
250 } else {
251 imageView.setBackgroundColor(UIHelper.getColorForName(conversation.getName()));
252 imageView.setImageDrawable(null);
253 final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
254 final AsyncDrawable asyncDrawable = new AsyncDrawable(activity.getResources(), null, task);
255 imageView.setImageDrawable(asyncDrawable);
256 try {
257 task.execute(conversation);
258 } catch (final RejectedExecutionException ignored) {
259 }
260 }
261 }
262 }
263
264 public static boolean cancelPotentialWork(Conversation conversation, ImageView imageView) {
265 final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
266
267 if (bitmapWorkerTask != null) {
268 final Conversation oldConversation = bitmapWorkerTask.conversation;
269 if (oldConversation == null || conversation != oldConversation) {
270 bitmapWorkerTask.cancel(true);
271 } else {
272 return false;
273 }
274 }
275 return true;
276 }
277
278 private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
279 if (imageView != null) {
280 final Drawable drawable = imageView.getDrawable();
281 if (drawable instanceof AsyncDrawable) {
282 final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
283 return asyncDrawable.getBitmapWorkerTask();
284 }
285 }
286 return null;
287 }
288
289 static class AsyncDrawable extends BitmapDrawable {
290 private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
291
292 public AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) {
293 super(res, bitmap);
294 bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask);
295 }
296
297 public BitmapWorkerTask getBitmapWorkerTask() {
298 return bitmapWorkerTaskReference.get();
299 }
300 }
301}