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("MM/dd");
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 Bitmap getErrorPicture(int size) {
90 Bitmap bitmap = Bitmap
91 .createBitmap(size, size, Bitmap.Config.ARGB_8888);
92 Canvas canvas = new Canvas(bitmap);
93
94 bitmap.eraseColor(0xFFe92727);
95
96 Paint paint = new Paint();
97 paint.setColor(0xffe5e5e5);
98 paint.setTextSize((float) (size * 0.9));
99 paint.setAntiAlias(true);
100 Rect rect = new Rect();
101 paint.getTextBounds("!", 0, 1, rect);
102 float width = paint.measureText("!");
103 canvas.drawText("!", (size / 2) - (width / 2), (size / 2)
104 + (rect.height() / 2), paint);
105
106 return bitmap;
107 }
108
109 public static Notification getUnreadMessageNotification(Context context,
110 Conversation conversation) {
111
112 SharedPreferences sharedPref = PreferenceManager
113 .getDefaultSharedPreferences(context);
114 String ringtone = sharedPref.getString("notification_ringtone", null);
115
116 Resources res = context.getResources();
117 NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(
118 context);
119 mBuilder.setLargeIcon(UIHelper.getUnknownContactPicture(conversation
120 .getName(), (int) res
121 .getDimension(android.R.dimen.notification_large_icon_width)));
122 mBuilder.setContentTitle(conversation.getName());
123 mBuilder.setTicker(conversation.getLatestMessage().getBody().trim());
124 StringBuilder bigText = new StringBuilder();
125 List<Message> messages = conversation.getMessages();
126 String firstLine = "";
127 for(int i = messages.size() -1; i >= 0; --i) {
128 if (!messages.get(i).isRead()) {
129 if (i == messages.size() -1 ) {
130 firstLine = messages.get(i).getBody().trim();
131 bigText.append(firstLine);
132 } else {
133 firstLine = messages.get(i).getBody().trim();
134 bigText.insert(0, firstLine+"\n");
135 }
136 } else {
137 break;
138 }
139 }
140 mBuilder.setContentText(firstLine);
141 mBuilder.setStyle(new NotificationCompat.BigTextStyle().bigText(bigText.toString()));
142 mBuilder.setSmallIcon(R.drawable.notification);
143 mBuilder.setLights(0xffffffff, 2000, 4000);
144 if (ringtone != null) {
145 mBuilder.setSound(Uri.parse(ringtone));
146 }
147
148 TaskStackBuilder stackBuilder = TaskStackBuilder.create(context);
149 stackBuilder.addParentStack(ConversationActivity.class);
150
151 Intent viewConversationIntent = new Intent(context,
152 ConversationActivity.class);
153 viewConversationIntent.setAction(Intent.ACTION_VIEW);
154 viewConversationIntent.putExtra(ConversationActivity.CONVERSATION,
155 conversation.getUuid());
156 viewConversationIntent.setType(ConversationActivity.VIEW_CONVERSATION);
157
158 stackBuilder.addNextIntent(viewConversationIntent);
159
160 PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(0,
161 PendingIntent.FLAG_UPDATE_CURRENT);
162
163 mBuilder.setContentIntent(resultPendingIntent);
164 return mBuilder.build();
165 }
166
167 public static void prepareContactBadge(final Activity activity,
168 QuickContactBadge badge, final Contact contact) {
169 if (contact.getSystemAccount()!=null) {
170 String[] systemAccount = contact.getSystemAccount().split("#");
171 long id = Long.parseLong(systemAccount[0]);
172 badge.assignContactUri(Contacts.getLookupUri(id, systemAccount[1]));
173
174 if (contact.getProfilePhoto() != null) {
175 badge.setImageURI(Uri.parse(contact.getProfilePhoto()));
176 } else {
177 badge.setImageBitmap(UIHelper.getUnknownContactPicture(contact.getDisplayName(), 400));
178 }
179 } else {
180 badge.setImageBitmap(UIHelper.getUnknownContactPicture(contact.getDisplayName(), 400));
181 }
182
183 }
184
185 public static AlertDialog getVerifyFingerprintDialog(final ConversationActivity activity,final Conversation conversation, final LinearLayout msg) {
186 final Contact contact = conversation.getContact();
187 final Account account = conversation.getAccount();
188
189 AlertDialog.Builder builder = new AlertDialog.Builder(activity);
190 builder.setTitle("Verify fingerprint");
191 LayoutInflater inflater = activity.getLayoutInflater();
192 View view = inflater.inflate(R.layout.dialog_verify_otr, null);
193 TextView jid = (TextView) view.findViewById(R.id.verify_otr_jid);
194 TextView fingerprint = (TextView) view.findViewById(R.id.verify_otr_fingerprint);
195 TextView yourprint = (TextView) view.findViewById(R.id.verify_otr_yourprint);
196
197 jid.setText(contact.getJid());
198 fingerprint.setText(conversation.getOtrFingerprint());
199 yourprint.setText(account.getOtrFingerprint());
200 builder.setNegativeButton("Cancel", null);
201 builder.setPositiveButton("Verify", new OnClickListener() {
202
203 @Override
204 public void onClick(DialogInterface dialog, int which) {
205 contact.addOtrFingerprint(conversation.getOtrFingerprint());
206 msg.setVisibility(View.GONE);
207 activity.xmppConnectionService.updateContact(contact);
208 }
209 });
210 builder.setView(view);
211 return builder.create();
212 }
213}