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;
 10
 11import eu.siacs.conversations.R;
 12import eu.siacs.conversations.entities.Account;
 13import eu.siacs.conversations.entities.Contact;
 14import eu.siacs.conversations.entities.Conversation;
 15import eu.siacs.conversations.entities.MucOptions.User;
 16import eu.siacs.conversations.ui.ConversationActivity;
 17import eu.siacs.conversations.ui.ManageAccountActivity;
 18import android.annotation.SuppressLint;
 19import android.app.Activity;
 20import android.app.AlertDialog;
 21import android.app.Notification;
 22import android.app.NotificationManager;
 23import android.app.PendingIntent;
 24import android.content.Context;
 25import android.content.DialogInterface;
 26import android.content.DialogInterface.OnClickListener;
 27import android.content.Intent;
 28import android.graphics.Bitmap;
 29import android.graphics.BitmapFactory;
 30import android.graphics.Canvas;
 31import android.graphics.Paint;
 32import android.graphics.Rect;
 33import android.graphics.Typeface;
 34import android.net.Uri;
 35import android.provider.ContactsContract.Contacts;
 36import android.support.v4.app.NotificationCompat;
 37import android.support.v4.app.TaskStackBuilder;
 38import android.text.format.DateFormat;
 39import android.text.format.DateUtils;
 40import android.util.DisplayMetrics;
 41import android.view.LayoutInflater;
 42import android.view.View;
 43import android.widget.QuickContactBadge;
 44import android.widget.TextView;
 45
 46public class UIHelper {
 47	private static final int BG_COLOR = 0xFF181818;
 48	private static final int FG_COLOR = 0xFFFAFAFA;
 49	private static final int TRANSPARENT = 0x00000000;
 50	private static final int SHORT_DATE_FLAGS = DateUtils.FORMAT_SHOW_DATE
 51			| DateUtils.FORMAT_NO_YEAR | DateUtils.FORMAT_ABBREV_ALL;
 52	private static final int FULL_DATE_FLAGS = DateUtils.FORMAT_SHOW_TIME
 53			| DateUtils.FORMAT_ABBREV_ALL | DateUtils.FORMAT_SHOW_DATE;
 54
 55	public static String readableTimeDifference(Context context, long time) {
 56		return readableTimeDifference(context, time, false);
 57	}
 58
 59	public static String readableTimeDifferenceFull(Context context, long time) {
 60		return readableTimeDifference(context, time, true);
 61	}
 62
 63	private static String readableTimeDifference(Context context, long time,
 64			boolean fullDate) {
 65		if (time == 0) {
 66			return context.getString(R.string.just_now);
 67		}
 68		Date date = new Date(time);
 69		long difference = (System.currentTimeMillis() - time) / 1000;
 70		if (difference < 60) {
 71			return context.getString(R.string.just_now);
 72		} else if (difference < 60 * 2) {
 73			return context.getString(R.string.minute_ago);
 74		} else if (difference < 60 * 15) {
 75			return context.getString(R.string.minutes_ago,
 76					Math.round(difference / 60.0));
 77		} else if (today(date)) {
 78			java.text.DateFormat df = DateFormat.getTimeFormat(context);
 79			return df.format(date);
 80		} else {
 81			if (fullDate) {
 82				return DateUtils.formatDateTime(context, date.getTime(),
 83						FULL_DATE_FLAGS);
 84			} else {
 85				return DateUtils.formatDateTime(context, date.getTime(),
 86						SHORT_DATE_FLAGS);
 87			}
 88		}
 89	}
 90
 91	private static boolean today(Date date) {
 92		Calendar cal1 = Calendar.getInstance();
 93		Calendar cal2 = Calendar.getInstance();
 94		cal1.setTime(date);
 95		cal2.setTimeInMillis(System.currentTimeMillis());
 96		return cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR)
 97				&& cal1.get(Calendar.DAY_OF_YEAR) == cal2
 98						.get(Calendar.DAY_OF_YEAR);
 99	}
100
101	public static String lastseen(Context context, long time) {
102		if (time == 0) {
103			return context.getString(R.string.never_seen);
104		}
105		long difference = (System.currentTimeMillis() - time) / 1000;
106		if (difference < 60) {
107			return context.getString(R.string.last_seen_now);
108		} else if (difference < 60 * 2) {
109			return context.getString(R.string.last_seen_min);
110		} else if (difference < 60 * 60) {
111			return context.getString(R.string.last_seen_mins,
112					Math.round(difference / 60.0));
113		} else if (difference < 60 * 60 * 2) {
114			return context.getString(R.string.last_seen_hour);
115		} else if (difference < 60 * 60 * 24) {
116			return context.getString(R.string.last_seen_hours,
117					Math.round(difference / (60.0 * 60.0)));
118		} else if (difference < 60 * 60 * 48) {
119			return context.getString(R.string.last_seen_day);
120		} else {
121			return context.getString(R.string.last_seen_days,
122					Math.round(difference / (60.0 * 60.0 * 24.0)));
123		}
124	}
125
126	public static int getRealPx(int dp, Context context) {
127		final DisplayMetrics metrics = context.getResources()
128				.getDisplayMetrics();
129		return ((int) (dp * metrics.density));
130	}
131
132	private static int getNameColor(String name) {
133		/*
134		 * int holoColors[] = { 0xFF1da9da, 0xFFb368d9, 0xFF83b600, 0xFFffa713,
135		 * 0xFFe92727 };
136		 */
137		int holoColors[] = { 0xFFe91e63, 0xFF9c27b0, 0xFF673ab7, 0xFF3f51b5,
138				0xFF5677fc, 0xFF03a9f4, 0xFF00bcd4, 0xFF009688, 0xFFff5722,
139				0xFF795548, 0xFF607d8b };
140		return holoColors[(int) ((name.hashCode() & 0xffffffffl) % holoColors.length)];
141	}
142
143	private static void drawTile(Canvas canvas, String letter, int tileColor,
144			int textColor, int left, int top, int right, int bottom) {
145		Paint tilePaint = new Paint(), textPaint = new Paint();
146		tilePaint.setColor(tileColor);
147		textPaint.setFlags(Paint.ANTI_ALIAS_FLAG);
148		textPaint.setColor(textColor);
149		textPaint.setTypeface(Typeface.create("sans-serif-light",
150				Typeface.NORMAL));
151		textPaint.setTextSize((float) ((right - left) * 0.8));
152		Rect rect = new Rect();
153
154		canvas.drawRect(new Rect(left, top, right, bottom), tilePaint);
155		textPaint.getTextBounds(letter, 0, 1, rect);
156		float width = textPaint.measureText(letter);
157		canvas.drawText(letter, (right + left) / 2 - width / 2, (top + bottom)
158				/ 2 + rect.height() / 2, textPaint);
159	}
160
161	private static Bitmap getUnknownContactPicture(String[] names, int size,
162			int bgColor, int fgColor) {
163		int tiles = (names.length > 4) ? 4 : (names.length < 1) ? 1
164				: names.length;
165		Bitmap bitmap = Bitmap
166				.createBitmap(size, size, Bitmap.Config.ARGB_8888);
167		Canvas canvas = new Canvas(bitmap);
168
169		String[] letters = new String[tiles];
170		int[] colors = new int[tiles];
171		if (names.length < 1) {
172			letters[0] = "?";
173			colors[0] = 0xFFe92727;
174		} else {
175			for (int i = 0; i < tiles; ++i) {
176				letters[i] = (names[i].length() > 0) ? names[i].substring(0, 1)
177						.toUpperCase(Locale.US) : " ";
178				colors[i] = getNameColor(names[i]);
179			}
180
181			if (names.length > 4) {
182				letters[3] = "\u2026"; // Unicode ellipsis
183				colors[3] = 0xFF202020;
184			}
185		}
186
187		bitmap.eraseColor(bgColor);
188
189		switch (tiles) {
190		case 1:
191			drawTile(canvas, letters[0], colors[0], fgColor, 0, 0, size, size);
192			break;
193
194		case 2:
195			drawTile(canvas, letters[0], colors[0], fgColor, 0, 0,
196					size / 2 - 1, size);
197			drawTile(canvas, letters[1], colors[1], fgColor, size / 2 + 1, 0,
198					size, size);
199			break;
200
201		case 3:
202			drawTile(canvas, letters[0], colors[0], fgColor, 0, 0,
203					size / 2 - 1, size);
204			drawTile(canvas, letters[1], colors[1], fgColor, size / 2 + 1, 0,
205					size, size / 2 - 1);
206			drawTile(canvas, letters[2], colors[2], fgColor, size / 2 + 1,
207					size / 2 + 1, size, size);
208			break;
209
210		case 4:
211			drawTile(canvas, letters[0], colors[0], fgColor, 0, 0,
212					size / 2 - 1, size / 2 - 1);
213			drawTile(canvas, letters[1], colors[1], fgColor, 0, size / 2 + 1,
214					size / 2 - 1, size);
215			drawTile(canvas, letters[2], colors[2], fgColor, size / 2 + 1, 0,
216					size, size / 2 - 1);
217			drawTile(canvas, letters[3], colors[3], fgColor, size / 2 + 1,
218					size / 2 + 1, size, size);
219			break;
220		}
221
222		return bitmap;
223	}
224
225	private static Bitmap getMucContactPicture(Conversation conversation,
226			int size, int bgColor, int fgColor) {
227		List<User> members = conversation.getMucOptions().getUsers();
228		if (members.size() == 0) {
229			return getUnknownContactPicture(
230					new String[] { conversation.getName() }, size, bgColor,
231					fgColor);
232		}
233		ArrayList<String> names = new ArrayList<String>();
234		names.add(conversation.getMucOptions().getActualNick());
235		for (User user : members) {
236			names.add(user.getName());
237			if (names.size() > 4) {
238				break;
239			}
240		}
241		String[] mArrayNames = new String[names.size()];
242		names.toArray(mArrayNames);
243		return getUnknownContactPicture(mArrayNames, size, bgColor, fgColor);
244	}
245
246	public static Bitmap getContactPicture(Conversation conversation,
247			int dpSize, Context context, boolean notification) {
248		if (conversation.getMode() == Conversation.MODE_SINGLE) {
249			return getContactPicture(conversation.getContact(), dpSize,
250					context, notification);
251		} else {
252			int fgColor = UIHelper.FG_COLOR, bgColor = (notification) ? UIHelper.BG_COLOR
253					: UIHelper.TRANSPARENT;
254
255			return getMucContactPicture(conversation,
256					getRealPx(dpSize, context), bgColor, fgColor);
257		}
258	}
259
260	public static Bitmap getContactPicture(Contact contact, int dpSize,
261			Context context, boolean notification) {
262		String uri = contact.getProfilePhoto();
263		if (uri == null) {
264			return getContactPicture(contact.getDisplayName(), dpSize, context,
265					notification);
266		}
267		try {
268			Bitmap bm = BitmapFactory.decodeStream(context.getContentResolver()
269					.openInputStream(Uri.parse(uri)));
270			return Bitmap.createScaledBitmap(bm, getRealPx(dpSize, context),
271					getRealPx(dpSize, context), false);
272		} catch (FileNotFoundException e) {
273			return getContactPicture(contact.getDisplayName(), dpSize, context,
274					notification);
275		}
276	}
277
278	public static Bitmap getContactPicture(String name, int dpSize,
279			Context context, boolean notification) {
280		int fgColor = UIHelper.FG_COLOR, bgColor = (notification) ? UIHelper.BG_COLOR
281				: UIHelper.TRANSPARENT;
282
283		return getUnknownContactPicture(new String[] { name },
284				getRealPx(dpSize, context), bgColor, fgColor);
285	}
286
287	public static void showErrorNotification(Context context,
288			List<Account> accounts) {
289		NotificationManager mNotificationManager = (NotificationManager) context
290				.getSystemService(Context.NOTIFICATION_SERVICE);
291		List<Account> accountsWproblems = new ArrayList<Account>();
292		for (Account account : accounts) {
293			if (account.hasErrorStatus()) {
294				accountsWproblems.add(account);
295			}
296		}
297		NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(
298				context);
299		if (accountsWproblems.size() == 0) {
300			mNotificationManager.cancel(1111);
301			return;
302		} else if (accountsWproblems.size() == 1) {
303			mBuilder.setContentTitle(context
304					.getString(R.string.problem_connecting_to_account));
305			mBuilder.setContentText(accountsWproblems.get(0).getJid());
306		} else {
307			mBuilder.setContentTitle(context
308					.getString(R.string.problem_connecting_to_accounts));
309			mBuilder.setContentText(context.getString(R.string.touch_to_fix));
310		}
311		mBuilder.setOngoing(true);
312		mBuilder.setLights(0xffffffff, 2000, 4000);
313		mBuilder.setSmallIcon(R.drawable.ic_notification);
314		TaskStackBuilder stackBuilder = TaskStackBuilder.create(context);
315		stackBuilder.addParentStack(ConversationActivity.class);
316
317		Intent manageAccountsIntent = new Intent(context,
318				ManageAccountActivity.class);
319		stackBuilder.addNextIntent(manageAccountsIntent);
320
321		PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(0,
322				PendingIntent.FLAG_UPDATE_CURRENT);
323
324		mBuilder.setContentIntent(resultPendingIntent);
325		Notification notification = mBuilder.build();
326		mNotificationManager.notify(1111, notification);
327	}
328
329	public static void prepareContactBadge(final Activity activity,
330			QuickContactBadge badge, final Contact contact, Context context) {
331		if (contact.getSystemAccount() != null) {
332			String[] systemAccount = contact.getSystemAccount().split("#");
333			long id = Long.parseLong(systemAccount[0]);
334			badge.assignContactUri(Contacts.getLookupUri(id, systemAccount[1]));
335		}
336		badge.setImageBitmap(contact.getImage(72, context));
337	}
338
339	@SuppressLint("InflateParams")
340	public static AlertDialog getVerifyFingerprintDialog(
341			final ConversationActivity activity,
342			final Conversation conversation, final View msg) {
343		final Contact contact = conversation.getContact();
344		final Account account = conversation.getAccount();
345
346		AlertDialog.Builder builder = new AlertDialog.Builder(activity);
347		builder.setTitle("Verify fingerprint");
348		LayoutInflater inflater = activity.getLayoutInflater();
349		View view = inflater.inflate(R.layout.dialog_verify_otr, null);
350		TextView jid = (TextView) view.findViewById(R.id.verify_otr_jid);
351		TextView fingerprint = (TextView) view
352				.findViewById(R.id.verify_otr_fingerprint);
353		TextView yourprint = (TextView) view
354				.findViewById(R.id.verify_otr_yourprint);
355
356		jid.setText(contact.getJid());
357		fingerprint.setText(conversation.getOtrFingerprint());
358		yourprint.setText(account.getOtrFingerprint());
359		builder.setNegativeButton("Cancel", null);
360		builder.setPositiveButton("Verify", new OnClickListener() {
361
362			@Override
363			public void onClick(DialogInterface dialog, int which) {
364				contact.addOtrFingerprint(conversation.getOtrFingerprint());
365				msg.setVisibility(View.GONE);
366				activity.xmppConnectionService.syncRosterToDisk(account);
367			}
368		});
369		builder.setView(view);
370		return builder.create();
371	}
372
373	public static Bitmap getSelfContactPicture(Account account, int size,
374			boolean showPhoneSelfContactPicture, Context context) {
375		if (showPhoneSelfContactPicture) {
376			Uri selfiUri = PhoneHelper.getSefliUri(context);
377			if (selfiUri != null) {
378				try {
379					return BitmapFactory.decodeStream(context
380							.getContentResolver().openInputStream(selfiUri));
381				} catch (FileNotFoundException e) {
382					return getContactPicture(account.getJid(), size, context,
383							false);
384				}
385			}
386			return getContactPicture(account.getJid(), size, context, false);
387		} else {
388			return getContactPicture(account.getJid(), size, context, false);
389		}
390	}
391
392	private final static class EmoticonPattern {
393		Pattern pattern;
394		String replacement;
395
396		EmoticonPattern(String ascii, int unicode) {
397			this.pattern = Pattern.compile("(?<=(^|\\s))" + ascii
398					+ "(?=(\\s|$))");
399			this.replacement = new String(new int[] { unicode, }, 0, 1);
400		}
401
402		String replaceAll(String body) {
403			return pattern.matcher(body).replaceAll(replacement);
404		}
405	}
406
407	private static final EmoticonPattern[] patterns = new EmoticonPattern[] {
408			new EmoticonPattern(":-?D", 0x1f600),
409			new EmoticonPattern("\\^\\^", 0x1f601),
410			new EmoticonPattern(":'D", 0x1f602),
411			new EmoticonPattern("\\]-?D", 0x1f608),
412			new EmoticonPattern(";-?\\)", 0x1f609),
413			new EmoticonPattern(":-?\\)", 0x1f60a),
414			new EmoticonPattern("[B8]-?\\)", 0x1f60e),
415			new EmoticonPattern(":-?\\|", 0x1f610),
416			new EmoticonPattern(":-?[/\\\\]", 0x1f615),
417			new EmoticonPattern(":-?\\*", 0x1f617),
418			new EmoticonPattern(":-?[Ppb]", 0x1f61b),
419			new EmoticonPattern(":-?\\(", 0x1f61e),
420			new EmoticonPattern(":-?[0Oo]", 0x1f62e),
421			new EmoticonPattern("\\\\o/", 0x1F631), };
422
423	public static String transformAsciiEmoticons(String body) {
424		if (body != null) {
425			for (EmoticonPattern p : patterns) {
426				body = p.replaceAll(body);
427			}
428			body = body.trim();
429		}
430		return body;
431	}
432}