1package eu.siacs.conversations.ui.adapter;
2
3import android.content.Context;
4import android.content.res.Resources;
5import android.graphics.Bitmap;
6import android.graphics.drawable.BitmapDrawable;
7import android.graphics.drawable.Drawable;
8import android.os.AsyncTask;
9import android.support.v7.widget.SwitchCompat;
10import android.view.LayoutInflater;
11import android.view.View;
12import android.view.ViewGroup;
13import android.widget.ArrayAdapter;
14import android.widget.ImageView;
15import android.widget.TextView;
16
17import java.lang.ref.WeakReference;
18import java.util.List;
19import java.util.concurrent.RejectedExecutionException;
20
21import eu.siacs.conversations.Config;
22import eu.siacs.conversations.R;
23import eu.siacs.conversations.entities.Account;
24import eu.siacs.conversations.ui.XmppActivity;
25import eu.siacs.conversations.ui.util.StyledAttributes;
26import eu.siacs.conversations.utils.UIHelper;
27
28public class AccountAdapter extends ArrayAdapter<Account> {
29
30 private XmppActivity activity;
31 private boolean showStateButton;
32
33 public AccountAdapter(XmppActivity activity, List<Account> objects, boolean showStateButton) {
34 super(activity, 0, objects);
35 this.activity = activity;
36 this.showStateButton = showStateButton;
37 }
38
39 public AccountAdapter(XmppActivity activity, List<Account> objects) {
40 super(activity, 0, objects);
41 this.activity = activity;
42 this.showStateButton = true;
43 }
44
45 @Override
46 public View getView(int position, View view, ViewGroup parent) {
47 final Account account = getItem(position);
48 if (view == null) {
49 LayoutInflater inflater = (LayoutInflater) getContext()
50 .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
51 view = inflater.inflate(R.layout.account_row, parent, false);
52 }
53 TextView jid = view.findViewById(R.id.account_jid);
54 if (Config.DOMAIN_LOCK != null) {
55 jid.setText(account.getJid().getLocal());
56 } else {
57 jid.setText(account.getJid().asBareJid().toString());
58 }
59 TextView statusView = view.findViewById(R.id.account_status);
60 ImageView imageView = view.findViewById(R.id.account_image);
61 loadAvatar(account, imageView);
62 statusView.setText(getContext().getString(account.getStatus().getReadableId()));
63 switch (account.getStatus()) {
64 case ONLINE:
65 statusView.setTextColor(StyledAttributes.getColor(activity, R.attr.TextColorOnline));
66 break;
67 case DISABLED:
68 case CONNECTING:
69 statusView.setTextColor(StyledAttributes.getColor(activity, android.R.attr.textColorSecondary));
70 break;
71 default:
72 statusView.setTextColor(StyledAttributes.getColor(activity, R.attr.TextColorError));
73 break;
74 }
75 final SwitchCompat tglAccountState = view.findViewById(R.id.tgl_account_status);
76 final boolean isDisabled = (account.getStatus() == Account.State.DISABLED);
77 tglAccountState.setOnCheckedChangeListener(null);
78 tglAccountState.setChecked(!isDisabled);
79 if (this.showStateButton) {
80 tglAccountState.setVisibility(View.VISIBLE);
81 } else {
82 tglAccountState.setVisibility(View.GONE);
83 }
84 tglAccountState.setOnCheckedChangeListener((compoundButton, b) -> {
85 if (b == isDisabled && activity instanceof OnTglAccountState) {
86 ((OnTglAccountState) activity).onClickTglAccountState(account, b);
87 }
88 });
89 return view;
90 }
91
92 class BitmapWorkerTask extends AsyncTask<Account, Void, Bitmap> {
93 private final WeakReference<ImageView> imageViewReference;
94 private Account account = null;
95
96 public BitmapWorkerTask(ImageView imageView) {
97 imageViewReference = new WeakReference<>(imageView);
98 }
99
100 @Override
101 protected Bitmap doInBackground(Account... params) {
102 this.account = params[0];
103 return activity.avatarService().get(this.account, activity.getPixel(48), isCancelled());
104 }
105
106 @Override
107 protected void onPostExecute(Bitmap bitmap) {
108 if (bitmap != null && !isCancelled()) {
109 final ImageView imageView = imageViewReference.get();
110 if (imageView != null) {
111 imageView.setImageBitmap(bitmap);
112 imageView.setBackgroundColor(0x00000000);
113 }
114 }
115 }
116 }
117
118 public void loadAvatar(Account account, ImageView imageView) {
119 if (cancelPotentialWork(account, imageView)) {
120 final Bitmap bm = activity.avatarService().get(account, activity.getPixel(48), true);
121 if (bm != null) {
122 cancelPotentialWork(account, imageView);
123 imageView.setImageBitmap(bm);
124 imageView.setBackgroundColor(0x00000000);
125 } else {
126 imageView.setBackgroundColor(UIHelper.getColorForName(account.getJid().asBareJid().toString()));
127 imageView.setImageDrawable(null);
128 final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
129 final AsyncDrawable asyncDrawable = new AsyncDrawable(activity.getResources(), null, task);
130 imageView.setImageDrawable(asyncDrawable);
131 try {
132 task.execute(account);
133 } catch (final RejectedExecutionException ignored) {
134 }
135 }
136 }
137 }
138
139
140 public interface OnTglAccountState {
141 void onClickTglAccountState(Account account, boolean state);
142 }
143
144 public static boolean cancelPotentialWork(Account account, ImageView imageView) {
145 final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
146
147 if (bitmapWorkerTask != null) {
148 final Account oldAccount = bitmapWorkerTask.account;
149 if (oldAccount == null || account != oldAccount) {
150 bitmapWorkerTask.cancel(true);
151 } else {
152 return false;
153 }
154 }
155 return true;
156 }
157
158 private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
159 if (imageView != null) {
160 final Drawable drawable = imageView.getDrawable();
161 if (drawable instanceof AsyncDrawable) {
162 final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
163 return asyncDrawable.getBitmapWorkerTask();
164 }
165 }
166 return null;
167 }
168
169 static class AsyncDrawable extends BitmapDrawable {
170 private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
171
172 public AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) {
173 super(res, bitmap);
174 bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask);
175 }
176
177 public BitmapWorkerTask getBitmapWorkerTask() {
178 return bitmapWorkerTaskReference.get();
179 }
180 }
181}