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