1package de.gultsch.chat.utils;
2
3import java.io.FileDescriptor;
4import java.io.FileNotFoundException;
5import java.text.SimpleDateFormat;
6import java.util.Date;
7import java.util.List;
8
9import de.gultsch.chat.R;
10import de.gultsch.chat.entities.Account;
11import de.gultsch.chat.entities.Contact;
12import de.gultsch.chat.entities.Conversation;
13import de.gultsch.chat.entities.Message;
14import de.gultsch.chat.ui.ConversationActivity;
15
16import android.app.Activity;
17import android.app.AlertDialog;
18import android.app.Notification;
19import android.app.PendingIntent;
20import android.content.Context;
21import android.content.DialogInterface;
22import android.content.DialogInterface.OnClickListener;
23import android.content.Intent;
24import android.content.SharedPreferences;
25import android.content.res.Resources;
26import android.graphics.Bitmap;
27import android.graphics.Canvas;
28import android.graphics.Paint;
29import android.graphics.Rect;
30import android.net.Uri;
31import android.preference.PreferenceManager;
32import android.provider.ContactsContract.Contacts;
33import android.support.v4.app.NotificationCompat;
34import android.support.v4.app.TaskStackBuilder;
35import android.util.Log;
36import android.view.LayoutInflater;
37import android.view.View;
38import android.widget.LinearLayout;
39import android.widget.QuickContactBadge;
40import android.widget.TextView;
41
42public class UIHelper {
43 public static String readableTimeDifference(long time) {
44 if (time == 0) {
45 return "just now";
46 }
47 Date date = new Date(time);
48 long difference = (System.currentTimeMillis() - time) / 1000;
49 if (difference < 60) {
50 return "just now";
51 } else if (difference < 60 * 10) {
52 return difference / 60 + " min ago";
53 } else if (difference < 60 * 60 * 24) {
54 SimpleDateFormat sdf = new SimpleDateFormat("HH:mm");
55 return sdf.format(date);
56 } else {
57 SimpleDateFormat sdf = new SimpleDateFormat("M/D");
58 return sdf.format(date);
59 }
60 }
61
62 public static Bitmap getUnknownContactPicture(String name, int size) {
63 String firstLetter = name.substring(0, 1).toUpperCase();
64
65 int holoColors[] = { 0xFF1da9da, 0xFFb368d9, 0xFF83b600, 0xFFffa713,
66 0xFFe92727 };
67
68 int color = holoColors[Math.abs(name.hashCode()) % holoColors.length];
69
70 Bitmap bitmap = Bitmap
71 .createBitmap(size, size, Bitmap.Config.ARGB_8888);
72 Canvas canvas = new Canvas(bitmap);
73
74 bitmap.eraseColor(color);
75
76 Paint paint = new Paint();
77 paint.setColor(0xffe5e5e5);
78 paint.setTextSize((float) (size * 0.9));
79 paint.setAntiAlias(true);
80 Rect rect = new Rect();
81 paint.getTextBounds(firstLetter, 0, 1, rect);
82 float width = paint.measureText(firstLetter);
83 canvas.drawText(firstLetter, (size / 2) - (width / 2), (size / 2)
84 + (rect.height() / 2), paint);
85
86 return bitmap;
87 }
88
89 public static Notification getUnreadMessageNotification(Context context,
90 Conversation conversation) {
91
92 SharedPreferences sharedPref = PreferenceManager
93 .getDefaultSharedPreferences(context);
94 String ringtone = sharedPref.getString("notification_ringtone", null);
95
96 Resources res = context.getResources();
97 NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(
98 context);
99 mBuilder.setLargeIcon(UIHelper.getUnknownContactPicture(conversation
100 .getName(), (int) res
101 .getDimension(android.R.dimen.notification_large_icon_width)));
102 mBuilder.setContentTitle(conversation.getName());
103 mBuilder.setTicker(conversation.getLatestMessage().getBody().trim());
104 StringBuilder bigText = new StringBuilder();
105 List<Message> messages = conversation.getMessages();
106 String firstLine = "";
107 for(int i = messages.size() -1; i >= 0; --i) {
108 if (!messages.get(i).isRead()) {
109 if (i == messages.size() -1 ) {
110 firstLine = messages.get(i).getBody().trim();
111 bigText.append(firstLine);
112 } else {
113 firstLine = messages.get(i).getBody().trim();
114 bigText.insert(0, firstLine+"\n");
115 }
116 } else {
117 break;
118 }
119 }
120 mBuilder.setContentText(firstLine);
121 mBuilder.setStyle(new NotificationCompat.BigTextStyle().bigText(bigText.toString()));
122 mBuilder.setSmallIcon(R.drawable.notification);
123 mBuilder.setLights(0xffffffff, 2000, 4000);
124 if (ringtone != null) {
125 mBuilder.setSound(Uri.parse(ringtone));
126 }
127
128 TaskStackBuilder stackBuilder = TaskStackBuilder.create(context);
129 stackBuilder.addParentStack(ConversationActivity.class);
130
131 Intent viewConversationIntent = new Intent(context,
132 ConversationActivity.class);
133 viewConversationIntent.setAction(Intent.ACTION_VIEW);
134 viewConversationIntent.putExtra(ConversationActivity.CONVERSATION,
135 conversation.getUuid());
136 viewConversationIntent.setType(ConversationActivity.VIEW_CONVERSATION);
137
138 stackBuilder.addNextIntent(viewConversationIntent);
139
140 PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(0,
141 PendingIntent.FLAG_UPDATE_CURRENT);
142
143 mBuilder.setContentIntent(resultPendingIntent);
144 return mBuilder.build();
145 }
146
147 public static void prepareContactBadge(final Activity activity,
148 QuickContactBadge badge, final Contact contact) {
149 if (contact.getSystemAccount()!=null) {
150 String[] systemAccount = contact.getSystemAccount().split("#");
151 long id = Long.parseLong(systemAccount[0]);
152 badge.assignContactUri(Contacts.getLookupUri(id, systemAccount[1]));
153
154 if (contact.getProfilePhoto() != null) {
155 badge.setImageURI(Uri.parse(contact.getProfilePhoto()));
156 } else {
157 badge.setImageBitmap(UIHelper.getUnknownContactPicture(contact.getDisplayName(), 400));
158 }
159 } else {
160 badge.setImageBitmap(UIHelper.getUnknownContactPicture(contact.getDisplayName(), 400));
161 }
162
163 }
164
165 public static AlertDialog getVerifyFingerprintDialog(final ConversationActivity activity,final Conversation conversation, final LinearLayout msg) {
166 final Contact contact = conversation.getContact();
167 final Account account = conversation.getAccount();
168
169 AlertDialog.Builder builder = new AlertDialog.Builder(activity);
170 builder.setTitle("Verify fingerprint");
171 LayoutInflater inflater = activity.getLayoutInflater();
172 View view = inflater.inflate(R.layout.dialog_verify_otr, null);
173 TextView jid = (TextView) view.findViewById(R.id.verify_otr_jid);
174 TextView fingerprint = (TextView) view.findViewById(R.id.verify_otr_fingerprint);
175 TextView yourprint = (TextView) view.findViewById(R.id.verify_otr_yourprint);
176
177 jid.setText(contact.getJid());
178 fingerprint.setText(conversation.getOtrFingerprint());
179 yourprint.setText(account.getOtrFingerprint());
180 builder.setNegativeButton("Cancel", null);
181 builder.setPositiveButton("Verify", new OnClickListener() {
182
183 @Override
184 public void onClick(DialogInterface dialog, int which) {
185 contact.addOtrFingerprint(conversation.getOtrFingerprint());
186 msg.setVisibility(View.GONE);
187 activity.xmppConnectionService.updateContact(contact);
188 }
189 });
190 builder.setView(view);
191 return builder.create();
192 }
193}