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.Contact;
11import de.gultsch.chat.entities.Conversation;
12import de.gultsch.chat.entities.Message;
13import de.gultsch.chat.ui.ConversationActivity;
14
15import android.app.Activity;
16import android.app.Notification;
17import android.app.PendingIntent;
18import android.content.Context;
19import android.content.Intent;
20import android.content.SharedPreferences;
21import android.content.res.Resources;
22import android.graphics.Bitmap;
23import android.graphics.Canvas;
24import android.graphics.Paint;
25import android.graphics.Rect;
26import android.net.Uri;
27import android.preference.PreferenceManager;
28import android.provider.ContactsContract.Contacts;
29import android.support.v4.app.NotificationCompat;
30import android.support.v4.app.TaskStackBuilder;
31import android.util.Log;
32import android.widget.QuickContactBadge;
33
34public class UIHelper {
35 public static String readableTimeDifference(long time) {
36 if (time == 0) {
37 return "just now";
38 }
39 Date date = new Date(time);
40 long difference = (System.currentTimeMillis() - time) / 1000;
41 if (difference < 60) {
42 return "just now";
43 } else if (difference < 60 * 10) {
44 return difference / 60 + " min ago";
45 } else if (difference < 60 * 60 * 24) {
46 SimpleDateFormat sdf = new SimpleDateFormat("HH:mm");
47 return sdf.format(date);
48 } else {
49 SimpleDateFormat sdf = new SimpleDateFormat("M/D");
50 return sdf.format(date);
51 }
52 }
53
54 public static Bitmap getUnknownContactPicture(String name, int size) {
55 String firstLetter = name.substring(0, 1).toUpperCase();
56
57 int holoColors[] = { 0xFF1da9da, 0xFFb368d9, 0xFF83b600, 0xFFffa713,
58 0xFFe92727 };
59
60 int color = holoColors[Math.abs(name.hashCode()) % holoColors.length];
61
62 Bitmap bitmap = Bitmap
63 .createBitmap(size, size, Bitmap.Config.ARGB_8888);
64 Canvas canvas = new Canvas(bitmap);
65
66 bitmap.eraseColor(color);
67
68 Paint paint = new Paint();
69 paint.setColor(0xffe5e5e5);
70 paint.setTextSize((float) (size * 0.9));
71 paint.setAntiAlias(true);
72 Rect rect = new Rect();
73 paint.getTextBounds(firstLetter, 0, 1, rect);
74 float width = paint.measureText(firstLetter);
75 canvas.drawText(firstLetter, (size / 2) - (width / 2), (size / 2)
76 + (rect.height() / 2), paint);
77
78 return bitmap;
79 }
80
81 public static Notification getUnreadMessageNotification(Context context,
82 Conversation conversation) {
83
84 SharedPreferences sharedPref = PreferenceManager
85 .getDefaultSharedPreferences(context);
86 String ringtone = sharedPref.getString("notification_ringtone", null);
87
88 Resources res = context.getResources();
89 NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(
90 context);
91 mBuilder.setLargeIcon(UIHelper.getUnknownContactPicture(conversation
92 .getName(), (int) res
93 .getDimension(android.R.dimen.notification_large_icon_width)));
94 mBuilder.setContentTitle(conversation.getName());
95 mBuilder.setTicker(conversation.getLatestMessage().getBody().trim());
96 StringBuilder bigText = new StringBuilder();
97 List<Message> messages = conversation.getMessages();
98 String firstLine = "";
99 for(int i = messages.size() -1; i >= 0; --i) {
100 if (!messages.get(i).isRead()) {
101 if (i == messages.size() -1 ) {
102 firstLine = messages.get(i).getBody().trim();
103 bigText.append(firstLine);
104 } else {
105 firstLine = messages.get(i).getBody().trim();
106 bigText.insert(0, firstLine+"\n");
107 }
108 } else {
109 break;
110 }
111 }
112 mBuilder.setContentText(firstLine);
113 mBuilder.setStyle(new NotificationCompat.BigTextStyle().bigText(bigText.toString()));
114 mBuilder.setSmallIcon(R.drawable.notification);
115 mBuilder.setLights(0xffffffff, 2000, 4000);
116 if (ringtone != null) {
117 mBuilder.setSound(Uri.parse(ringtone));
118 }
119
120 TaskStackBuilder stackBuilder = TaskStackBuilder.create(context);
121 stackBuilder.addParentStack(ConversationActivity.class);
122
123 Intent viewConversationIntent = new Intent(context,
124 ConversationActivity.class);
125 viewConversationIntent.setAction(Intent.ACTION_VIEW);
126 viewConversationIntent.putExtra(ConversationActivity.CONVERSATION,
127 conversation.getUuid());
128 viewConversationIntent.setType(ConversationActivity.VIEW_CONVERSATION);
129
130 stackBuilder.addNextIntent(viewConversationIntent);
131
132 PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(0,
133 PendingIntent.FLAG_UPDATE_CURRENT);
134
135 mBuilder.setContentIntent(resultPendingIntent);
136 return mBuilder.build();
137 }
138
139 public static void prepareContactBadge(final Activity activity,
140 QuickContactBadge badge, final Contact contact) {
141 if (contact.getSystemAccount()!=null) {
142 String[] systemAccount = contact.getSystemAccount().split("#");
143 long id = Long.parseLong(systemAccount[0]);
144 badge.assignContactUri(Contacts.getLookupUri(id, systemAccount[1]));
145
146 if (contact.getProfilePhoto() != null) {
147 badge.setImageURI(Uri.parse(contact.getProfilePhoto()));
148 } else {
149 badge.setImageBitmap(UIHelper.getUnknownContactPicture(contact.getDisplayName(), 400));
150 }
151 } else {
152 badge.setImageBitmap(UIHelper.getUnknownContactPicture(contact.getDisplayName(), 400));
153 }
154
155 }
156}