UIHelper.java

  1package eu.siacs.conversations.utils;
  2
  3import java.io.FileNotFoundException;
  4import java.util.ArrayList;
  5import java.util.Calendar;
  6import java.util.Date;
  7import java.util.List;
  8import java.util.Locale;
  9import java.util.regex.Pattern;
 10import java.util.regex.Matcher;
 11
 12import eu.siacs.conversations.R;
 13import eu.siacs.conversations.entities.Account;
 14import eu.siacs.conversations.entities.Contact;
 15import eu.siacs.conversations.entities.Conversation;
 16import eu.siacs.conversations.entities.Message;
 17import eu.siacs.conversations.entities.MucOptions.User;
 18import eu.siacs.conversations.ui.ConversationActivity;
 19import eu.siacs.conversations.ui.ManageAccountActivity;
 20
 21import android.app.Activity;
 22import android.app.AlertDialog;
 23import android.app.Notification;
 24import android.app.NotificationManager;
 25import android.app.PendingIntent;
 26import android.content.Context;
 27import android.content.DialogInterface;
 28import android.content.DialogInterface.OnClickListener;
 29import android.content.Intent;
 30import android.content.SharedPreferences;
 31import android.graphics.Bitmap;
 32import android.graphics.BitmapFactory;
 33import android.graphics.Canvas;
 34import android.graphics.Paint;
 35import android.graphics.Rect;
 36import android.graphics.Typeface;
 37import android.net.Uri;
 38import android.preference.PreferenceManager;
 39import android.provider.ContactsContract.Contacts;
 40import android.support.v4.app.NotificationCompat;
 41import android.support.v4.app.TaskStackBuilder;
 42import android.text.format.DateFormat;
 43import android.text.format.DateUtils;
 44import android.text.Html;
 45import android.util.DisplayMetrics;
 46import android.view.LayoutInflater;
 47import android.view.View;
 48import android.widget.LinearLayout;
 49import android.widget.QuickContactBadge;
 50import android.widget.TextView;
 51
 52public class UIHelper {
 53	private static final int BG_COLOR = 0xFF181818;
 54	private static final int FG_COLOR = 0xFFE5E5E5;
 55	private static final int TRANSPARENT = 0x00000000;
 56    private static final int DATE_NO_YEAR_FLAGS = DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_NO_YEAR | DateUtils.FORMAT_ABBREV_ALL;
 57
 58	public static String readableTimeDifference(Context context, long time) {
 59		if (time == 0) {
 60			return context.getString(R.string.just_now);
 61		}
 62		Date date = new Date(time);
 63		long difference = (System.currentTimeMillis() - time) / 1000;
 64		if (difference < 60) {
 65			return context.getString(R.string.just_now);
 66        } else if (difference < 60 * 2) {
 67            return context.getString(R.string.minute_ago);
 68		} else if (difference < 60 * 15) {
 69			return context.getString(R.string.minutes_ago,Math.round(difference/60.0));
 70		} else if (today(date)) {
 71			java.text.DateFormat df = DateFormat.getTimeFormat(context);
 72			return df.format(date);
 73		} else {
 74			return DateUtils.formatDateTime(context, date.getTime(), DATE_NO_YEAR_FLAGS);
 75		}
 76	}
 77	
 78	private static boolean today(Date date) {
 79		Calendar cal1 = Calendar.getInstance();
 80		Calendar cal2 = Calendar.getInstance();
 81		cal1.setTime(date);
 82		cal2.setTimeInMillis(System.currentTimeMillis());
 83		return cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR) &&
 84		                  cal1.get(Calendar.DAY_OF_YEAR) == cal2.get(Calendar.DAY_OF_YEAR);
 85	}
 86	
 87	public static String lastseen(Context context, long time) {
 88		if (time==0) {
 89			return context.getString(R.string.never_seen);
 90		}
 91		long difference = (System.currentTimeMillis() - time) / 1000;
 92		if (difference < 60) {
 93			return context.getString(R.string.last_seen_now);
 94		} else if (difference < 60 * 2) {
 95			return context.getString(R.string.last_seen_min);
 96        } else if (difference < 60 * 60) {
 97            return context.getString(R.string.last_seen_mins,Math.round(difference/60.0));
 98		} else if (difference < 60 * 60 * 2) {
 99			return context.getString(R.string.last_seen_hour);
100        } else if (difference < 60 * 60 * 24) {
101            return context.getString(R.string.last_seen_hours,Math.round(difference/(60.0*60.0)));
102        } else if (difference < 60 * 60 * 48) {
103            return context.getString(R.string.last_seen_day);
104		} else {
105			return context.getString(R.string.last_seen_days,Math.round(difference/(60.0*60.0*24.0)));
106		}
107	}
108
109	public static int getRealPx(int dp, Context context) {
110		final DisplayMetrics metrics = context.getResources().getDisplayMetrics();
111		return ((int) (dp * metrics.density));
112	}
113
114	private static int getNameColor(String name) {
115		int holoColors[] = { 0xFF1da9da, 0xFFb368d9, 0xFF83b600, 0xFFffa713,
116				0xFFe92727 };
117		return holoColors[(int) ((name.hashCode() & 0xffffffffl) % holoColors.length)];
118	}
119
120	private static void drawTile(Canvas canvas, String letter, int tileColor, int textColor, int left, int top, int right, int bottom) {
121		Paint tilePaint = new Paint(), textPaint = new Paint();
122		tilePaint.setColor(tileColor);
123		textPaint.setColor(textColor);
124		textPaint.setTypeface(Typeface.create("sans-serif-light", Typeface.NORMAL));
125		textPaint.setTextSize((float) ((right - left) * 0.8));
126		Rect rect = new Rect();
127
128		canvas.drawRect(new Rect(left, top, right, bottom), tilePaint);
129		textPaint.getTextBounds(letter, 0, 1, rect);
130		float width = textPaint.measureText(letter);
131		canvas.drawText(letter,
132				(right+left)/2 - width/2,
133				(top+bottom)/2 + rect.height()/2,
134				textPaint);
135	}
136
137	private static Bitmap getUnknownContactPicture(String[] names, int size, int bgColor, int fgColor) {
138		int tiles = (names.length > 4)? 4 :
139					(names.length < 1)? 1 :
140						names.length;
141		Bitmap bitmap = Bitmap
142				.createBitmap(size, size, Bitmap.Config.ARGB_8888);
143		Canvas canvas = new Canvas(bitmap);
144
145		String[] letters = new String[tiles];
146		int[] colors = new int[tiles];
147		if (names.length < 1) {
148			letters[0] = "?";
149			colors[0] = 0xFFe92727;
150		} else {
151			for(int i = 0; i < tiles; ++i) {
152				letters[i] = (names[i].length() > 0) ?
153						names[i].substring(0, 1).toUpperCase(Locale.US) : " ";
154				colors[i] = getNameColor(names[i]);
155			}
156
157			if (names.length > 4) {
158				letters[3] = "\u2026"; // Unicode ellipsis
159				colors[3] = 0xFF444444;
160			}
161		}
162
163		bitmap.eraseColor(bgColor);
164
165		switch(tiles) {
166			case 1:
167				drawTile(canvas, letters[0], colors[0], fgColor,
168						0, 0, size, size);
169				break;
170
171			case 2:
172				drawTile(canvas, letters[0], colors[0], fgColor,
173						0, 0, size/2 - 1, size);
174				drawTile(canvas, letters[1], colors[1], fgColor,
175						size/2 + 1, 0, size, size);
176				break;
177
178			case 3:
179				drawTile(canvas, letters[0], colors[0], fgColor,
180						0, 0, size/2 - 1, size);
181				drawTile(canvas, letters[1], colors[1], fgColor,
182						size/2 + 1, 0, size, size/2 - 1);
183				drawTile(canvas, letters[2], colors[2], fgColor,
184						size/2 + 1, size/2 + 1, size, size);
185				break;
186
187			case 4:
188				drawTile(canvas, letters[0], colors[0], fgColor,
189						0, 0, size/2 - 1, size/2 - 1);
190				drawTile(canvas, letters[1], colors[1], fgColor,
191						0, size/2 + 1, size/2 - 1, size);
192				drawTile(canvas, letters[2], colors[2], fgColor,
193						size/2 + 1, 0, size, size/2 - 1);
194				drawTile(canvas, letters[3], colors[3], fgColor,
195						size/2 + 1, size/2 + 1, size, size);
196				break;
197		}
198
199		return bitmap;
200	}
201	
202	private static Bitmap getMucContactPicture(Conversation conversation, int size, int bgColor, int fgColor) {
203		List<User> members = conversation.getMucOptions().getUsers();
204		if (members.size() == 0) {
205			return getUnknownContactPicture(new String[]{conversation.getName(false)}, size, bgColor, fgColor);
206		}
207		String[] names = new String[members.size()+1];
208		names[0] = conversation.getMucOptions().getNick();
209		for(int i = 0; i < members.size(); ++i) {
210			names[i+1] = members.get(i).getName();
211		}
212
213		return getUnknownContactPicture(names, size, bgColor, fgColor);
214	}
215
216	public static Bitmap getContactPicture(Conversation conversation, int dpSize, Context context, boolean notification) {
217		if(conversation.getMode() == Conversation.MODE_SINGLE) {
218				return getContactPicture(conversation.getContact(), dpSize,
219						context, notification);
220		} else{
221			int fgColor = UIHelper.FG_COLOR,
222				bgColor = (notification) ?
223					UIHelper.BG_COLOR : UIHelper.TRANSPARENT;
224
225			return getMucContactPicture(conversation, getRealPx(dpSize, context),
226					bgColor, fgColor);
227		}
228	}
229
230	public static Bitmap getContactPicture(Contact contact, int dpSize, Context context, boolean notification) {
231		String uri = contact.getProfilePhoto();
232		if (uri==null) {
233			return getContactPicture(contact.getDisplayName(), dpSize,
234					context, notification);
235		}
236		try {
237			Bitmap bm = BitmapFactory.decodeStream(context.getContentResolver()
238					.openInputStream(Uri.parse(uri)));
239			return Bitmap.createScaledBitmap(bm, getRealPx(dpSize, context),
240					getRealPx(dpSize, context), false);
241		} catch (FileNotFoundException e) {
242			return getContactPicture(contact.getDisplayName(), dpSize,
243					context, notification);
244		}
245	}
246
247	public static Bitmap getContactPicture(String name, int dpSize, Context context, boolean notification) {
248		int fgColor = UIHelper.FG_COLOR,
249			bgColor = (notification) ?
250				UIHelper.BG_COLOR : UIHelper.TRANSPARENT;
251
252		return getUnknownContactPicture(new String[]{name}, getRealPx(dpSize, context),
253				bgColor, fgColor);
254	}
255
256	public static void showErrorNotification(Context context, List<Account> accounts) {
257		NotificationManager mNotificationManager = (NotificationManager) context
258				.getSystemService(Context.NOTIFICATION_SERVICE);
259		List<Account> accountsWproblems = new ArrayList<Account>();
260		for(Account account : accounts) {
261			if (account.hasErrorStatus()) {
262				accountsWproblems.add(account);
263			}
264		}
265		NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(context);
266		if (accountsWproblems.size() == 0) {
267			mNotificationManager.cancel(1111);
268			return;
269		} else if (accountsWproblems.size() == 1) {
270			mBuilder.setContentTitle(context.getString(R.string.problem_connecting_to_account));
271			mBuilder.setContentText(accountsWproblems.get(0).getJid());
272		} else {
273			mBuilder.setContentTitle(context.getString(R.string.problem_connecting_to_accounts));
274			mBuilder.setContentText(context.getString(R.string.touch_to_fix));
275		}
276		mBuilder.setOngoing(true);
277		mBuilder.setLights(0xffffffff, 2000, 4000);
278		mBuilder.setSmallIcon(R.drawable.notification);
279		TaskStackBuilder stackBuilder = TaskStackBuilder.create(context);
280		stackBuilder.addParentStack(ConversationActivity.class);
281
282		Intent manageAccountsIntent = new Intent(context,
283				ManageAccountActivity.class);
284		stackBuilder.addNextIntent(manageAccountsIntent);
285
286		PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(
287				0, PendingIntent.FLAG_UPDATE_CURRENT);
288		
289		mBuilder.setContentIntent(resultPendingIntent);
290		Notification notification = mBuilder.build();
291		mNotificationManager.notify(1111, notification);
292	}
293
294	private static Pattern generateNickHighlightPattern(String nick) {
295		// We expect a word boundary, i.e. space or start of string, followed by the
296		// nick (matched in case-insensitive manner), followed by optional
297		// punctuation (for example "bob: i disagree" or "how are you alice?"),
298		// followed by another word boundary.
299		return Pattern.compile("\\b"+nick+"\\p{Punct}?\\b",
300				Pattern.CASE_INSENSITIVE | Pattern.UNICODE_CASE);
301	}
302
303	public static void updateNotification(Context context,
304			List<Conversation> conversations, Conversation currentCon, boolean notify) {
305		NotificationManager mNotificationManager = (NotificationManager) context
306				.getSystemService(Context.NOTIFICATION_SERVICE);
307		
308		SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
309		boolean useSubject = preferences.getBoolean("use_subject_in_muc", true);
310		boolean showNofifications = preferences.getBoolean("show_notification",true);
311		boolean vibrate = preferences.getBoolean("vibrate_on_notification", true);
312		boolean alwaysNotify = preferences.getBoolean("notify_in_conversation_when_highlighted", false);
313
314		if (!showNofifications) {
315			mNotificationManager.cancel(2342);
316			return;
317		}
318		
319		String targetUuid = "";
320		
321		if ((currentCon != null) &&(currentCon.getMode() == Conversation.MODE_MULTI)&&(!alwaysNotify)) {
322			String nick = currentCon.getMucOptions().getNick();
323			Pattern highlight = generateNickHighlightPattern(nick);
324			Matcher m = highlight.matcher(currentCon.getLatestMessage().getBody());
325			notify = m.find();
326		}
327		
328		List<Conversation> unread = new ArrayList<Conversation>();
329		for (Conversation conversation : conversations) {
330			if (conversation.getMode() == Conversation.MODE_MULTI) {
331				if ((!conversation.isRead())&&((wasHighlighted(conversation)||(alwaysNotify)))) {
332					unread.add(conversation);
333				}
334			} else {
335				if (!conversation.isRead()) {
336					unread.add(conversation);
337				}
338			}
339		}
340		String ringtone = preferences.getString("notification_ringtone", null);
341
342		NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(
343				context);
344		if (unread.size() == 0) {
345			mNotificationManager.cancel(2342);
346			return;
347		} else if (unread.size() == 1) {
348			Conversation conversation = unread.get(0);
349			targetUuid = conversation.getUuid();
350			mBuilder.setLargeIcon(UIHelper.getContactPicture(conversation, 64,
351							context, true));
352			mBuilder.setContentTitle(conversation.getName(useSubject));
353			if (notify) {
354				mBuilder.setTicker(conversation.getLatestMessage().getReadableBody(context));
355			}
356			StringBuilder bigText = new StringBuilder();
357			List<Message> messages = conversation.getMessages();
358			String firstLine = "";
359			for (int i = messages.size() - 1; i >= 0; --i) {
360				if (!messages.get(i).isRead()) {
361					if (i == messages.size() - 1) {
362						firstLine = messages.get(i).getReadableBody(context);
363						bigText.append(firstLine);
364					} else {
365						firstLine = messages.get(i).getReadableBody(context);
366						bigText.insert(0, firstLine + "\n");
367					}
368				} else {
369					break;
370				}
371			}
372			mBuilder.setContentText(firstLine);
373			mBuilder.setStyle(new NotificationCompat.BigTextStyle()
374					.bigText(bigText.toString()));
375		} else {
376			NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
377			style.setBigContentTitle(unread.size() + " " + context.getString(R.string.unread_conversations));
378			StringBuilder names = new StringBuilder();
379			for (int i = 0; i < unread.size(); ++i) {
380				targetUuid = unread.get(i).getUuid();
381				if (i < unread.size() - 1) {
382					names.append(unread.get(i).getName(useSubject) + ", ");
383				} else {
384					names.append(unread.get(i).getName(useSubject));
385				}
386				style.addLine(Html.fromHtml("<b>" + unread.get(i).getName(useSubject)
387						+ "</b> " + unread.get(i).getLatestMessage().getReadableBody(context)));
388			}
389			mBuilder.setContentTitle(unread.size() + " " + context.getString(R.string.unread_conversations));
390			mBuilder.setContentText(names.toString());
391			mBuilder.setStyle(style);
392		}
393		if ((currentCon!=null)&&(notify)) {
394			targetUuid=currentCon.getUuid();
395		}
396		if (unread.size() != 0) {
397			mBuilder.setSmallIcon(R.drawable.ic_notification);
398			if (notify) {
399				if (vibrate) {
400					int dat = 70;
401					long[] pattern = {0,3*dat,dat,dat};
402					mBuilder.setVibrate(pattern);
403				}
404				mBuilder.setLights(0xffffffff, 2000, 4000);
405				if (ringtone != null) {
406					mBuilder.setSound(Uri.parse(ringtone));
407				}
408			}
409
410			TaskStackBuilder stackBuilder = TaskStackBuilder.create(context);
411			stackBuilder.addParentStack(ConversationActivity.class);
412
413			Intent viewConversationIntent = new Intent(context,
414					ConversationActivity.class);
415			viewConversationIntent.setAction(Intent.ACTION_VIEW);
416			viewConversationIntent.putExtra(ConversationActivity.CONVERSATION,
417					targetUuid);
418			viewConversationIntent
419					.setType(ConversationActivity.VIEW_CONVERSATION);
420			
421			stackBuilder.addNextIntent(viewConversationIntent);
422
423			PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(
424					0, PendingIntent.FLAG_UPDATE_CURRENT);
425			
426			mBuilder.setContentIntent(resultPendingIntent);
427			Notification notification = mBuilder.build();
428			mNotificationManager.notify(2342, notification);
429		}
430	}
431	
432	private static boolean wasHighlighted(Conversation conversation) {
433		List<Message> messages = conversation.getMessages();
434		String nick = conversation.getMucOptions().getNick();
435		Pattern highlight = generateNickHighlightPattern(nick);
436		for(int i = messages.size() - 1; i >= 0; --i) {
437			if (messages.get(i).isRead()) {
438				break;
439			} else {
440				Matcher m = highlight.matcher(messages.get(i).getBody());
441				if (m.find()) {
442					return true;
443				}
444			}
445		}
446		return false;
447	}
448
449	public static void prepareContactBadge(final Activity activity,
450			QuickContactBadge badge, final Contact contact, Context context) {
451		if (contact.getSystemAccount() != null) {
452			String[] systemAccount = contact.getSystemAccount().split("#");
453			long id = Long.parseLong(systemAccount[0]);
454			badge.assignContactUri(Contacts.getLookupUri(id, systemAccount[1]));
455		}
456		badge.setImageBitmap(UIHelper.getContactPicture(contact, 72, context, false));
457	}
458
459	public static AlertDialog getVerifyFingerprintDialog(
460			final ConversationActivity activity,
461			final Conversation conversation, final LinearLayout msg) {
462		final Contact contact = conversation.getContact();
463		final Account account = conversation.getAccount();
464
465		AlertDialog.Builder builder = new AlertDialog.Builder(activity);
466		builder.setTitle("Verify fingerprint");
467		LayoutInflater inflater = activity.getLayoutInflater();
468		View view = inflater.inflate(R.layout.dialog_verify_otr, null);
469		TextView jid = (TextView) view.findViewById(R.id.verify_otr_jid);
470		TextView fingerprint = (TextView) view
471				.findViewById(R.id.verify_otr_fingerprint);
472		TextView yourprint = (TextView) view
473				.findViewById(R.id.verify_otr_yourprint);
474
475		jid.setText(contact.getJid());
476		fingerprint.setText(conversation.getOtrFingerprint());
477		yourprint.setText(account.getOtrFingerprint());
478		builder.setNegativeButton("Cancel", null);
479		builder.setPositiveButton("Verify", new OnClickListener() {
480
481			@Override
482			public void onClick(DialogInterface dialog, int which) {
483				contact.addOtrFingerprint(conversation.getOtrFingerprint());
484				msg.setVisibility(View.GONE);
485				activity.xmppConnectionService.syncRosterToDisk(account);
486			}
487		});
488		builder.setView(view);
489		return builder.create();
490	}
491
492	public static Bitmap getSelfContactPicture(Account account, int size, boolean showPhoneSelfContactPicture, Context context) {
493		if (showPhoneSelfContactPicture) {
494			Uri selfiUri = PhoneHelper.getSefliUri(context);
495			if (selfiUri != null) {
496				try {
497					return BitmapFactory.decodeStream(context
498							.getContentResolver().openInputStream(selfiUri));
499				} catch (FileNotFoundException e) {
500					return getContactPicture(account.getJid(), size, context, false);
501				}
502			}
503			return getContactPicture(account.getJid(), size, context, false);
504		} else {
505			return getContactPicture(account.getJid(), size, context, false);
506		}
507	}
508}