UIHelper.java

  1package eu.siacs.conversations.utils;
  2
  3import java.text.SimpleDateFormat;
  4import java.util.ArrayList;
  5import java.util.Date;
  6import java.util.List;
  7
  8import eu.siacs.conversations.R;
  9import eu.siacs.conversations.entities.Account;
 10import eu.siacs.conversations.entities.Contact;
 11import eu.siacs.conversations.entities.Conversation;
 12import eu.siacs.conversations.entities.Message;
 13import eu.siacs.conversations.ui.ConversationActivity;
 14
 15import android.app.Activity;
 16import android.app.AlertDialog;
 17import android.app.Notification;
 18import android.app.NotificationManager;
 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.NotificationCompat.InboxStyle;
 35import android.support.v4.app.TaskStackBuilder;
 36import android.text.Html;
 37import android.util.Log;
 38import android.view.LayoutInflater;
 39import android.view.View;
 40import android.widget.LinearLayout;
 41import android.widget.QuickContactBadge;
 42import android.widget.TextView;
 43
 44public class UIHelper {
 45	public static String readableTimeDifference(long time) {
 46		if (time == 0) {
 47			return "just now";
 48		}
 49		Date date = new Date(time);
 50		long difference = (System.currentTimeMillis() - time) / 1000;
 51		if (difference < 60) {
 52			return "just now";
 53		} else if (difference < 60 * 10) {
 54			return difference / 60 + " min ago";
 55		} else if (difference < 60 * 60 * 24) {
 56			SimpleDateFormat sdf = new SimpleDateFormat("HH:mm");
 57			return sdf.format(date);
 58		} else {
 59			SimpleDateFormat sdf = new SimpleDateFormat("MM/dd");
 60			return sdf.format(date);
 61		}
 62	}
 63
 64	public static Bitmap getUnknownContactPicture(String name, int size) {
 65		String firstLetter = name.substring(0, 1).toUpperCase();
 66
 67		int holoColors[] = { 0xFF1da9da, 0xFFb368d9, 0xFF83b600, 0xFFffa713,
 68				0xFFe92727 };
 69
 70		int color = holoColors[Math.abs(name.hashCode()) % holoColors.length];
 71
 72		Bitmap bitmap = Bitmap
 73				.createBitmap(size, size, Bitmap.Config.ARGB_8888);
 74		Canvas canvas = new Canvas(bitmap);
 75
 76		bitmap.eraseColor(color);
 77
 78		Paint paint = new Paint();
 79		paint.setColor(0xffe5e5e5);
 80		paint.setTextSize((float) (size * 0.9));
 81		paint.setAntiAlias(true);
 82		Rect rect = new Rect();
 83		paint.getTextBounds(firstLetter, 0, 1, rect);
 84		float width = paint.measureText(firstLetter);
 85		canvas.drawText(firstLetter, (size / 2) - (width / 2), (size / 2)
 86				+ (rect.height() / 2), paint);
 87
 88		return bitmap;
 89	}
 90
 91	public static Bitmap getErrorPicture(int size) {
 92		Bitmap bitmap = Bitmap
 93				.createBitmap(size, size, Bitmap.Config.ARGB_8888);
 94		Canvas canvas = new Canvas(bitmap);
 95
 96		bitmap.eraseColor(0xFFe92727);
 97
 98		Paint paint = new Paint();
 99		paint.setColor(0xffe5e5e5);
100		paint.setTextSize((float) (size * 0.9));
101		paint.setAntiAlias(true);
102		Rect rect = new Rect();
103		paint.getTextBounds("!", 0, 1, rect);
104		float width = paint.measureText("!");
105		canvas.drawText("!", (size / 2) - (width / 2),
106				(size / 2) + (rect.height() / 2), paint);
107
108		return bitmap;
109	}
110
111	public static void updateNotification(Context context,
112			List<Conversation> conversations, boolean notify) {
113
114		NotificationManager mNotificationManager = (NotificationManager) context
115				.getSystemService(Context.NOTIFICATION_SERVICE);
116
117		String targetUuid = "";
118		List<Conversation> unread = new ArrayList<Conversation>();
119		for (Conversation conversation : conversations) {
120			if (!conversation.isRead()) {
121				unread.add(conversation);
122			}
123		}
124
125		SharedPreferences sharedPref = PreferenceManager
126				.getDefaultSharedPreferences(context);
127		String ringtone = sharedPref.getString("notification_ringtone", null);
128
129		Resources res = context.getResources();
130		NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(
131				context);
132		if (unread.size() == 0) {
133			mNotificationManager.cancelAll();
134		} else if (unread.size() == 1) {
135			Conversation conversation = unread.get(0);
136			targetUuid = conversation.getUuid();
137			mBuilder.setLargeIcon(UIHelper.getUnknownContactPicture(
138					conversation.getName(),
139					(int) res
140							.getDimension(android.R.dimen.notification_large_icon_width)));
141			mBuilder.setContentTitle(conversation.getName());
142			if (notify) {
143				mBuilder.setTicker(conversation.getLatestMessage().getBody().trim());
144			}
145			StringBuilder bigText = new StringBuilder();
146			List<Message> messages = conversation.getMessages();
147			String firstLine = "";
148			for (int i = messages.size() - 1; i >= 0; --i) {
149				if (!messages.get(i).isRead()) {
150					if (i == messages.size() - 1) {
151						firstLine = messages.get(i).getBody().trim();
152						bigText.append(firstLine);
153					} else {
154						firstLine = messages.get(i).getBody().trim();
155						bigText.insert(0, firstLine + "\n");
156					}
157				} else {
158					break;
159				}
160			}
161			mBuilder.setContentText(firstLine);
162			mBuilder.setStyle(new NotificationCompat.BigTextStyle()
163					.bigText(bigText.toString()));
164		} else {
165			NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
166			style.setBigContentTitle(unread.size() + " unread Conversations");
167			StringBuilder names = new StringBuilder();
168			for (int i = 0; i < unread.size(); ++i) {
169				targetUuid = conversations.get(0).getUuid();
170				if (i < unread.size() - 1) {
171					names.append(unread.get(i).getName() + ", ");
172				} else {
173					names.append(unread.get(i).getName());
174				}
175				style.addLine(Html.fromHtml("<b>" + unread.get(i).getName()
176						+ "</b> " + unread.get(i).getLatestMessage().getBody().trim()));
177			}
178			mBuilder.setContentTitle(unread.size() + " unread Conversations");
179			mBuilder.setContentText(names.toString());
180			mBuilder.setStyle(style);
181		}
182		if (unread.size() != 0) {
183			mBuilder.setSmallIcon(R.drawable.notification);
184			if (notify) {
185				mBuilder.setLights(0xffffffff, 2000, 4000);
186				if (ringtone != null) {
187					mBuilder.setSound(Uri.parse(ringtone));
188				}
189			}
190
191			TaskStackBuilder stackBuilder = TaskStackBuilder.create(context);
192			stackBuilder.addParentStack(ConversationActivity.class);
193
194			Intent viewConversationIntent = new Intent(context,
195					ConversationActivity.class);
196			viewConversationIntent.setAction(Intent.ACTION_VIEW);
197			viewConversationIntent.putExtra(ConversationActivity.CONVERSATION,
198					targetUuid);
199			viewConversationIntent
200					.setType(ConversationActivity.VIEW_CONVERSATION);
201
202			stackBuilder.addNextIntent(viewConversationIntent);
203
204			PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(
205					0, PendingIntent.FLAG_UPDATE_CURRENT);
206
207			mBuilder.setContentIntent(resultPendingIntent);
208			mNotificationManager.notify(2342, mBuilder.build());
209		}
210	}
211
212	public static void prepareContactBadge(final Activity activity,
213			QuickContactBadge badge, final Contact contact) {
214		if (contact.getSystemAccount() != null) {
215			String[] systemAccount = contact.getSystemAccount().split("#");
216			long id = Long.parseLong(systemAccount[0]);
217			badge.assignContactUri(Contacts.getLookupUri(id, systemAccount[1]));
218
219			if (contact.getProfilePhoto() != null) {
220				badge.setImageURI(Uri.parse(contact.getProfilePhoto()));
221			} else {
222				badge.setImageBitmap(UIHelper.getUnknownContactPicture(
223						contact.getDisplayName(), 400));
224			}
225		} else {
226			badge.setImageBitmap(UIHelper.getUnknownContactPicture(
227					contact.getDisplayName(), 400));
228		}
229
230	}
231
232	public static AlertDialog getVerifyFingerprintDialog(
233			final ConversationActivity activity,
234			final Conversation conversation, final LinearLayout msg) {
235		final Contact contact = conversation.getContact();
236		final Account account = conversation.getAccount();
237
238		AlertDialog.Builder builder = new AlertDialog.Builder(activity);
239		builder.setTitle("Verify fingerprint");
240		LayoutInflater inflater = activity.getLayoutInflater();
241		View view = inflater.inflate(R.layout.dialog_verify_otr, null);
242		TextView jid = (TextView) view.findViewById(R.id.verify_otr_jid);
243		TextView fingerprint = (TextView) view
244				.findViewById(R.id.verify_otr_fingerprint);
245		TextView yourprint = (TextView) view
246				.findViewById(R.id.verify_otr_yourprint);
247
248		jid.setText(contact.getJid());
249		fingerprint.setText(conversation.getOtrFingerprint());
250		yourprint.setText(account.getOtrFingerprint());
251		builder.setNegativeButton("Cancel", null);
252		builder.setPositiveButton("Verify", new OnClickListener() {
253
254			@Override
255			public void onClick(DialogInterface dialog, int which) {
256				contact.addOtrFingerprint(conversation.getOtrFingerprint());
257				msg.setVisibility(View.GONE);
258				activity.xmppConnectionService.updateContact(contact);
259			}
260		});
261		builder.setView(view);
262		return builder.create();
263	}
264}