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.UIHelper;
30
31public class ConversationAdapter extends ArrayAdapter<Conversation> {
32
33 private XmppActivity activity;
34
35 public ConversationAdapter(XmppActivity activity,
36 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 TextView convName = (TextView) view.findViewById(R.id.conversation_name);
55 if (conversation.getMode() == Conversation.MODE_SINGLE || activity.useSubjectToIdentifyConference()) {
56 convName.setText(conversation.getName());
57 } else {
58 convName.setText(conversation.getJid().toBareJid().toString());
59 }
60 TextView mLastMessage = (TextView) view.findViewById(R.id.conversation_lastmsg);
61 TextView mTimestamp = (TextView) view.findViewById(R.id.conversation_lastupdate);
62 ImageView imagePreview = (ImageView) view.findViewById(R.id.conversation_lastimage);
63 ImageView notificationStatus = (ImageView) view.findViewById(R.id.notification_status);
64
65 Message message = conversation.getLatestMessage();
66 int unreadCount = conversation.unreadCount();
67
68 if (!conversation.isRead()) {
69 convName.setTypeface(null, Typeface.BOLD);
70 } else {
71 convName.setTypeface(null, Typeface.NORMAL);
72 }
73
74 if (message.getFileParams().width > 0
75 && (message.getTransferable() == null
76 || message.getTransferable().getStatus() != Transferable.STATUS_DELETED)) {
77 mLastMessage.setVisibility(View.GONE);
78 imagePreview.setVisibility(View.VISIBLE);
79 activity.loadBitmap(message, imagePreview);
80 } else {
81 Pair<String,Boolean> preview = UIHelper.getMessagePreview(activity,message);
82 mLastMessage.setVisibility(View.VISIBLE);
83 imagePreview.setVisibility(View.GONE);
84 UnreadCountCustomView unreadCountCustomView = (UnreadCountCustomView) view.findViewById(R.id.unread_count);
85 if (unreadCount > 0) {
86 unreadCountCustomView.setVisibility(View.VISIBLE);
87 unreadCountCustomView.setUnreadCount(unreadCount);
88 } else {
89 unreadCountCustomView.setVisibility(View.GONE);
90 }
91 mLastMessage.setText(preview.first);
92 if (preview.second) {
93 if (conversation.isRead()) {
94 mLastMessage.setTypeface(null, Typeface.ITALIC);
95 } else {
96 mLastMessage.setTypeface(null,Typeface.BOLD_ITALIC);
97 }
98 } else {
99 if (conversation.isRead()) {
100 mLastMessage.setTypeface(null,Typeface.NORMAL);
101 } else {
102 mLastMessage.setTypeface(null,Typeface.BOLD);
103 }
104 }
105 }
106
107 long muted_till = conversation.getLongAttribute(Conversation.ATTRIBUTE_MUTED_TILL,0);
108 if (muted_till == Long.MAX_VALUE) {
109 notificationStatus.setVisibility(View.VISIBLE);
110 int ic_notifications_off = activity.getThemeResource(R.attr.icon_notifications_off, R.drawable.ic_notifications_off_black54_24dp);
111 notificationStatus.setImageResource(ic_notifications_off);
112 } else if (muted_till >= System.currentTimeMillis()) {
113 notificationStatus.setVisibility(View.VISIBLE);
114 int ic_notifications_paused = activity.getThemeResource(R.attr.icon_notifications_paused, R.drawable.ic_notifications_paused_black54_24dp);
115 notificationStatus.setImageResource(ic_notifications_paused);
116 } else if (conversation.alwaysNotify()) {
117 notificationStatus.setVisibility(View.GONE);
118 } else {
119 notificationStatus.setVisibility(View.VISIBLE);
120 int ic_notifications_none = activity.getThemeResource(R.attr.icon_notifications_none, R.drawable.ic_notifications_none_black54_24dp);
121 notificationStatus.setImageResource(ic_notifications_none);
122 }
123
124 mTimestamp.setText(UIHelper.readableTimeDifference(activity,conversation.getLatestMessage().getTimeSent()));
125 ImageView profilePicture = (ImageView) view.findViewById(R.id.conversation_image);
126 loadAvatar(conversation,profilePicture);
127
128 return view;
129 }
130
131 class BitmapWorkerTask extends AsyncTask<Conversation, Void, Bitmap> {
132 private final WeakReference<ImageView> imageViewReference;
133 private Conversation conversation = null;
134
135 public BitmapWorkerTask(ImageView imageView) {
136 imageViewReference = new WeakReference<>(imageView);
137 }
138
139 @Override
140 protected Bitmap doInBackground(Conversation... params) {
141 return activity.avatarService().get(params[0], activity.getPixel(56), isCancelled());
142 }
143
144 @Override
145 protected void onPostExecute(Bitmap bitmap) {
146 if (bitmap != null && !isCancelled()) {
147 final ImageView imageView = imageViewReference.get();
148 if (imageView != null) {
149 imageView.setImageBitmap(bitmap);
150 imageView.setBackgroundColor(0x00000000);
151 }
152 }
153 }
154 }
155
156 public void loadAvatar(Conversation conversation, ImageView imageView) {
157 if (cancelPotentialWork(conversation, imageView)) {
158 final Bitmap bm = activity.avatarService().get(conversation, activity.getPixel(56), true);
159 if (bm != null) {
160 cancelPotentialWork(conversation, imageView);
161 imageView.setImageBitmap(bm);
162 imageView.setBackgroundColor(0x00000000);
163 } else {
164 imageView.setBackgroundColor(UIHelper.getColorForName(conversation.getName()));
165 imageView.setImageDrawable(null);
166 final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
167 final AsyncDrawable asyncDrawable = new AsyncDrawable(activity.getResources(), null, task);
168 imageView.setImageDrawable(asyncDrawable);
169 try {
170 task.execute(conversation);
171 } catch (final RejectedExecutionException ignored) {
172 }
173 }
174 }
175 }
176
177 public static boolean cancelPotentialWork(Conversation conversation, ImageView imageView) {
178 final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
179
180 if (bitmapWorkerTask != null) {
181 final Conversation oldConversation = bitmapWorkerTask.conversation;
182 if (oldConversation == null || conversation != oldConversation) {
183 bitmapWorkerTask.cancel(true);
184 } else {
185 return false;
186 }
187 }
188 return true;
189 }
190
191 private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
192 if (imageView != null) {
193 final Drawable drawable = imageView.getDrawable();
194 if (drawable instanceof AsyncDrawable) {
195 final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
196 return asyncDrawable.getBitmapWorkerTask();
197 }
198 }
199 return null;
200 }
201
202 static class AsyncDrawable extends BitmapDrawable {
203 private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
204
205 public AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) {
206 super(res, bitmap);
207 bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask);
208 }
209
210 public BitmapWorkerTask getBitmapWorkerTask() {
211 return bitmapWorkerTaskReference.get();
212 }
213 }
214}