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.utils.UIHelper;
29
30public class ConversationAdapter extends ArrayAdapter<Conversation> {
31
32 private XmppActivity activity;
33
34 public ConversationAdapter(XmppActivity activity,
35 List<Conversation> conversations) {
36 super(activity, 0, conversations);
37 this.activity = activity;
38 }
39
40 @Override
41 public View getView(int position, View view, ViewGroup parent) {
42 if (view == null) {
43 LayoutInflater inflater = (LayoutInflater) activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
44 view = inflater.inflate(R.layout.conversation_list_row,parent, false);
45 }
46 Conversation conversation = getItem(position);
47 if (this.activity instanceof ConversationActivity) {
48 View swipeableItem = view.findViewById(R.id.swipeable_item);
49 ConversationActivity a = (ConversationActivity) this.activity;
50 int c = a.highlightSelectedConversations() && conversation == a.getSelectedConversation() ? a.getSecondaryBackgroundColor() : a.getPrimaryBackgroundColor();
51 swipeableItem.setBackgroundColor(c);
52 }
53 TextView convName = (TextView) view.findViewById(R.id.conversation_name);
54 if (conversation.getMode() == Conversation.MODE_SINGLE || activity.useSubjectToIdentifyConference()) {
55 convName.setText(conversation.getName());
56 } else {
57 convName.setText(conversation.getJid().toBareJid().toString());
58 }
59 TextView mLastMessage = (TextView) view.findViewById(R.id.conversation_lastmsg);
60 TextView mTimestamp = (TextView) view.findViewById(R.id.conversation_lastupdate);
61 ImageView imagePreview = (ImageView) view.findViewById(R.id.conversation_lastimage);
62 ImageView notificationStatus = (ImageView) view.findViewById(R.id.notification_status);
63
64 Message message = conversation.getLatestMessage();
65
66 if (!conversation.isRead()) {
67 convName.setTypeface(null, Typeface.BOLD);
68 } else {
69 convName.setTypeface(null, Typeface.NORMAL);
70 }
71
72 if (message.getFileParams().width > 0
73 && (message.getTransferable() == null
74 || message.getTransferable().getStatus() != Transferable.STATUS_DELETED)) {
75 mLastMessage.setVisibility(View.GONE);
76 imagePreview.setVisibility(View.VISIBLE);
77 activity.loadBitmap(message, imagePreview);
78 } else {
79 Pair<String,Boolean> preview = UIHelper.getMessagePreview(activity,message);
80 mLastMessage.setVisibility(View.VISIBLE);
81 imagePreview.setVisibility(View.GONE);
82 mLastMessage.setText(preview.first);
83 if (preview.second) {
84 if (conversation.isRead()) {
85 mLastMessage.setTypeface(null, Typeface.ITALIC);
86 } else {
87 mLastMessage.setTypeface(null,Typeface.BOLD_ITALIC);
88 }
89 } else {
90 if (conversation.isRead()) {
91 mLastMessage.setTypeface(null,Typeface.NORMAL);
92 } else {
93 mLastMessage.setTypeface(null,Typeface.BOLD);
94 }
95 }
96 }
97
98 long muted_till = conversation.getLongAttribute(Conversation.ATTRIBUTE_MUTED_TILL,0);
99 if (muted_till == Long.MAX_VALUE) {
100 notificationStatus.setVisibility(View.VISIBLE);
101 notificationStatus.setImageResource(R.drawable.ic_notifications_off_grey600_24dp);
102 } else if (muted_till >= System.currentTimeMillis()) {
103 notificationStatus.setVisibility(View.VISIBLE);
104 notificationStatus.setImageResource(R.drawable.ic_notifications_paused_grey600_24dp);
105 } else {
106 notificationStatus.setVisibility(View.GONE);
107 }
108
109 mTimestamp.setText(UIHelper.readableTimeDifference(activity,conversation.getLatestMessage().getTimeSent()));
110 ImageView profilePicture = (ImageView) view.findViewById(R.id.conversation_image);
111 loadAvatar(conversation,profilePicture);
112
113 return view;
114 }
115
116 class BitmapWorkerTask extends AsyncTask<Conversation, Void, Bitmap> {
117 private final WeakReference<ImageView> imageViewReference;
118 private Conversation conversation = null;
119
120 public BitmapWorkerTask(ImageView imageView) {
121 imageViewReference = new WeakReference<>(imageView);
122 }
123
124 @Override
125 protected Bitmap doInBackground(Conversation... params) {
126 return activity.avatarService().get(params[0], activity.getPixel(56));
127 }
128
129 @Override
130 protected void onPostExecute(Bitmap bitmap) {
131 if (bitmap != null) {
132 final ImageView imageView = imageViewReference.get();
133 if (imageView != null) {
134 imageView.setImageBitmap(bitmap);
135 imageView.setBackgroundColor(0x00000000);
136 }
137 }
138 }
139 }
140
141 public void loadAvatar(Conversation conversation, ImageView imageView) {
142 if (cancelPotentialWork(conversation, imageView)) {
143 final Bitmap bm = activity.avatarService().get(conversation, activity.getPixel(56), true);
144 if (bm != null) {
145 imageView.setImageBitmap(bm);
146 imageView.setBackgroundColor(0x00000000);
147 } else {
148 imageView.setBackgroundColor(UIHelper.getColorForName(conversation.getName()));
149 imageView.setImageDrawable(null);
150 final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
151 final AsyncDrawable asyncDrawable = new AsyncDrawable(activity.getResources(), null, task);
152 imageView.setImageDrawable(asyncDrawable);
153 try {
154 task.execute(conversation);
155 } catch (final RejectedExecutionException ignored) {
156 }
157 }
158 }
159 }
160
161 public static boolean cancelPotentialWork(Conversation conversation, ImageView imageView) {
162 final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
163
164 if (bitmapWorkerTask != null) {
165 final Conversation oldConversation = bitmapWorkerTask.conversation;
166 if (oldConversation == null || conversation != oldConversation) {
167 bitmapWorkerTask.cancel(true);
168 } else {
169 return false;
170 }
171 }
172 return true;
173 }
174
175 private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
176 if (imageView != null) {
177 final Drawable drawable = imageView.getDrawable();
178 if (drawable instanceof AsyncDrawable) {
179 final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
180 return asyncDrawable.getBitmapWorkerTask();
181 }
182 }
183 return null;
184 }
185
186 static class AsyncDrawable extends BitmapDrawable {
187 private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
188
189 public AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) {
190 super(res, bitmap);
191 bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask);
192 }
193
194 public BitmapWorkerTask getBitmapWorkerTask() {
195 return bitmapWorkerTaskReference.get();
196 }
197 }
198}