1package eu.siacs.conversations.ui.adapter;
2
3import android.content.SharedPreferences;
4import android.content.res.Resources;
5import android.databinding.DataBindingUtil;
6import android.graphics.Bitmap;
7import android.graphics.drawable.BitmapDrawable;
8import android.graphics.drawable.Drawable;
9import android.os.AsyncTask;
10import android.preference.PreferenceManager;
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 com.wefika.flowlayout.FlowLayout;
19
20import java.lang.ref.WeakReference;
21import java.util.List;
22import java.util.concurrent.RejectedExecutionException;
23
24import eu.siacs.conversations.R;
25import eu.siacs.conversations.databinding.ContactBinding;
26import eu.siacs.conversations.entities.ListItem;
27import eu.siacs.conversations.ui.SettingsActivity;
28import eu.siacs.conversations.ui.XmppActivity;
29import eu.siacs.conversations.utils.EmojiWrapper;
30import eu.siacs.conversations.utils.IrregularUnicodeDetector;
31import eu.siacs.conversations.utils.UIHelper;
32import rocks.xmpp.addr.Jid;
33
34public class ListItemAdapter extends ArrayAdapter<ListItem> {
35
36 protected XmppActivity activity;
37 private boolean showDynamicTags = false;
38 private OnTagClickedListener mOnTagClickedListener = null;
39 private View.OnClickListener onTagTvClick = view -> {
40 if (view instanceof TextView && mOnTagClickedListener != null) {
41 TextView tv = (TextView) view;
42 final String tag = tv.getText().toString();
43 mOnTagClickedListener.onTagClicked(tag);
44 }
45 };
46
47 public ListItemAdapter(XmppActivity activity, List<ListItem> objects) {
48 super(activity, 0, objects);
49 this.activity = activity;
50 }
51
52 private static boolean cancelPotentialWork(ListItem item, ImageView imageView) {
53 final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
54
55 if (bitmapWorkerTask != null) {
56 final ListItem oldItem = bitmapWorkerTask.item;
57 if (oldItem == null || item != oldItem) {
58 bitmapWorkerTask.cancel(true);
59 } else {
60 return false;
61 }
62 }
63 return true;
64 }
65
66 private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
67 if (imageView != null) {
68 final Drawable drawable = imageView.getDrawable();
69 if (drawable instanceof AsyncDrawable) {
70 final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
71 return asyncDrawable.getBitmapWorkerTask();
72 }
73 }
74 return null;
75 }
76
77 public void refreshSettings() {
78 SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(activity);
79 this.showDynamicTags = preferences.getBoolean(SettingsActivity.SHOW_DYNAMIC_TAGS, false);
80 }
81
82 @Override
83 public View getView(int position, View view, ViewGroup parent) {
84 LayoutInflater inflater = activity.getLayoutInflater();
85 ListItem item = getItem(position);
86 ViewHolder viewHolder;
87 if (view == null) {
88 ContactBinding binding = DataBindingUtil.inflate(inflater,R.layout.contact,parent,false);
89 viewHolder = ViewHolder.get(binding);
90 view = binding.getRoot();
91 } else {
92 viewHolder = (ViewHolder) view.getTag();
93 }
94
95 List<ListItem.Tag> tags = item.getTags(activity);
96 if (tags.size() == 0 || !this.showDynamicTags) {
97 viewHolder.tags.setVisibility(View.GONE);
98 } else {
99 viewHolder.tags.setVisibility(View.VISIBLE);
100 viewHolder.tags.removeAllViewsInLayout();
101 for (ListItem.Tag tag : tags) {
102 TextView tv = (TextView) inflater.inflate(R.layout.list_item_tag, viewHolder.tags, false);
103 tv.setText(tag.getName());
104 tv.setBackgroundColor(tag.getColor());
105 tv.setOnClickListener(this.onTagTvClick);
106 viewHolder.tags.addView(tv);
107 }
108 }
109 final Jid jid = item.getJid();
110 if (jid != null) {
111 viewHolder.jid.setVisibility(View.VISIBLE);
112 viewHolder.jid.setText(IrregularUnicodeDetector.style(activity, jid));
113 } else {
114 viewHolder.jid.setVisibility(View.GONE);
115 }
116 viewHolder.name.setText(EmojiWrapper.transform(item.getDisplayName()));
117 loadAvatar(item, viewHolder.avatar);
118 return view;
119 }
120
121 public void setOnTagClickedListener(OnTagClickedListener listener) {
122 this.mOnTagClickedListener = listener;
123 }
124
125 private void loadAvatar(ListItem item, ImageView imageView) {
126 if (cancelPotentialWork(item, imageView)) {
127 final Bitmap bm = activity.avatarService().get(item, activity.getPixel(48), true);
128 if (bm != null) {
129 cancelPotentialWork(item, imageView);
130 imageView.setImageBitmap(bm);
131 imageView.setBackgroundColor(0x00000000);
132 } else {
133 String seed = item.getJid() != null ? item.getJid().asBareJid().toString() : item.getDisplayName();
134 imageView.setBackgroundColor(UIHelper.getColorForName(seed));
135 imageView.setImageDrawable(null);
136 final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
137 final AsyncDrawable asyncDrawable = new AsyncDrawable(activity.getResources(), null, task);
138 imageView.setImageDrawable(asyncDrawable);
139 try {
140 task.execute(item);
141 } catch (final RejectedExecutionException ignored) {
142 }
143 }
144 }
145 }
146
147 public interface OnTagClickedListener {
148 void onTagClicked(String tag);
149 }
150
151 private static class ViewHolder {
152 private TextView name;
153 private TextView jid;
154 private ImageView avatar;
155 private FlowLayout tags;
156
157 private ViewHolder() {
158
159 }
160
161 public static ViewHolder get(ContactBinding binding) {
162 ViewHolder viewHolder = new ViewHolder();
163 viewHolder.name = binding.contactDisplayName;
164 viewHolder.jid = binding.contactJid;
165 viewHolder.avatar = binding.contactPhoto;
166 viewHolder.tags = binding.tags;
167 binding.getRoot().setTag(viewHolder);
168 return viewHolder;
169 }
170 }
171
172 static class AsyncDrawable extends BitmapDrawable {
173 private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
174
175 AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) {
176 super(res, bitmap);
177 bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask);
178 }
179
180 BitmapWorkerTask getBitmapWorkerTask() {
181 return bitmapWorkerTaskReference.get();
182 }
183 }
184
185 private static class BitmapWorkerTask extends AsyncTask<ListItem, Void, Bitmap> {
186 private final WeakReference<ImageView> imageViewReference;
187 private ListItem item = null;
188
189 BitmapWorkerTask(ImageView imageView) {
190 imageViewReference = new WeakReference<>(imageView);
191 }
192
193 @Override
194 protected Bitmap doInBackground(ListItem... params) {
195 this.item = params[0];
196 final XmppActivity activity = XmppActivity.find(imageViewReference);
197 if (activity == null) {
198 return null;
199 }
200 return activity.avatarService().get(this.item, activity.getPixel(48), isCancelled());
201 }
202
203 @Override
204 protected void onPostExecute(Bitmap bitmap) {
205 if (bitmap != null && !isCancelled()) {
206 final ImageView imageView = imageViewReference.get();
207 if (imageView != null) {
208 imageView.setImageBitmap(bitmap);
209 imageView.setBackgroundColor(0x00000000);
210 }
211 }
212 }
213 }
214
215}