UIHelper.java

  1package eu.siacs.conversations.utils;
  2
  3import java.io.FileNotFoundException;
  4import java.text.SimpleDateFormat;
  5import java.util.ArrayList;
  6import java.util.Date;
  7import java.util.List;
  8import java.util.Locale;
  9
 10import eu.siacs.conversations.R;
 11import eu.siacs.conversations.entities.Account;
 12import eu.siacs.conversations.entities.Contact;
 13import eu.siacs.conversations.entities.Conversation;
 14import eu.siacs.conversations.entities.Message;
 15import eu.siacs.conversations.ui.ConversationActivity;
 16
 17import android.app.Activity;
 18import android.app.AlertDialog;
 19import android.app.Notification;
 20import android.app.NotificationManager;
 21import android.app.PendingIntent;
 22import android.content.Context;
 23import android.content.DialogInterface;
 24import android.content.DialogInterface.OnClickListener;
 25import android.content.Intent;
 26import android.content.SharedPreferences;
 27import android.content.res.Resources;
 28import android.graphics.Bitmap;
 29import android.graphics.BitmapFactory;
 30import android.graphics.Canvas;
 31import android.graphics.Paint;
 32import android.graphics.Rect;
 33import android.net.Uri;
 34import android.preference.PreferenceManager;
 35import android.provider.ContactsContract.Contacts;
 36import android.support.v4.app.NotificationCompat;
 37import android.support.v4.app.NotificationCompat.InboxStyle;
 38import android.support.v4.app.TaskStackBuilder;
 39import android.text.Html;
 40import android.util.Log;
 41import android.view.LayoutInflater;
 42import android.view.View;
 43import android.widget.LinearLayout;
 44import android.widget.QuickContactBadge;
 45import android.widget.TextView;
 46
 47public class UIHelper {
 48	public static String readableTimeDifference(long time) {
 49		if (time == 0) {
 50			return "just now";
 51		}
 52		Date date = new Date(time);
 53		long difference = (System.currentTimeMillis() - time) / 1000;
 54		if (difference < 60) {
 55			return "just now";
 56		} else if (difference < 60 * 10) {
 57			return difference / 60 + " min ago";
 58		} else if (difference < 60 * 60 * 24) {
 59			SimpleDateFormat sdf = new SimpleDateFormat("HH:mm",Locale.US);
 60			return sdf.format(date);
 61		} else {
 62			SimpleDateFormat sdf = new SimpleDateFormat("MM/dd",Locale.US);
 63			return sdf.format(date);
 64		}
 65	}
 66
 67	public static Bitmap getUnknownContactPicture(String name, int size) {
 68		String firstLetter = name.substring(0, 1).toUpperCase(Locale.US);
 69
 70		int holoColors[] = { 0xFF1da9da, 0xFFb368d9, 0xFF83b600, 0xFFffa713,
 71				0xFFe92727 };
 72
 73		int color = holoColors[Math.abs(name.hashCode()) % holoColors.length];
 74
 75		Bitmap bitmap = Bitmap
 76				.createBitmap(size, size, Bitmap.Config.ARGB_8888);
 77		Canvas canvas = new Canvas(bitmap);
 78
 79		bitmap.eraseColor(color);
 80
 81		Paint paint = new Paint();
 82		paint.setColor(0xffe5e5e5);
 83		paint.setTextSize((float) (size * 0.9));
 84		paint.setAntiAlias(true);
 85		Rect rect = new Rect();
 86		paint.getTextBounds(firstLetter, 0, 1, rect);
 87		float width = paint.measureText(firstLetter);
 88		canvas.drawText(firstLetter, (size / 2) - (width / 2), (size / 2)
 89				+ (rect.height() / 2), paint);
 90
 91		return bitmap;
 92	}
 93	
 94	public static Bitmap getContactPicture(Contact contact, int size, Context context) {
 95		String uri = contact.getProfilePhoto();
 96		if (uri==null) {
 97			return getUnknownContactPicture(contact.getDisplayName(), size);
 98		}
 99		try {
100			Bitmap bm = BitmapFactory.decodeStream(context.getContentResolver().openInputStream(Uri.parse(uri)));
101			return Bitmap.createScaledBitmap(bm, size, size, false);
102		} catch (FileNotFoundException e) {
103			return getUnknownContactPicture(contact.getDisplayName(), size);
104		}
105	}
106
107	public static Bitmap getErrorPicture(int size) {
108		Bitmap bitmap = Bitmap
109				.createBitmap(size, size, Bitmap.Config.ARGB_8888);
110		Canvas canvas = new Canvas(bitmap);
111
112		bitmap.eraseColor(0xFFe92727);
113
114		Paint paint = new Paint();
115		paint.setColor(0xffe5e5e5);
116		paint.setTextSize((float) (size * 0.9));
117		paint.setAntiAlias(true);
118		Rect rect = new Rect();
119		paint.getTextBounds("!", 0, 1, rect);
120		float width = paint.measureText("!");
121		canvas.drawText("!", (size / 2) - (width / 2),
122				(size / 2) + (rect.height() / 2), paint);
123
124		return bitmap;
125	}
126
127	public static void updateNotification(Context context,
128			List<Conversation> conversations, Conversation currentCon, boolean notify) {
129
130		
131		Log.d("xmppService","called to update notifications");
132		
133		NotificationManager mNotificationManager = (NotificationManager) context
134				.getSystemService(Context.NOTIFICATION_SERVICE);
135		
136		SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
137		boolean showNofifications = preferences.getBoolean("show_notification",true);
138		boolean vibrate = preferences.getBoolean("vibrate_on_notification", true);
139		boolean alwaysNotify = preferences.getBoolean("notify_in_conversation_when_highlighted", false);
140
141		if (!showNofifications) {
142			Log.d("xmppService","notification disabled in settings. not showing");
143			return;
144		}
145		
146		String targetUuid = "";
147		
148		if ((currentCon != null) &&(currentCon.getMode() == Conversation.MODE_MULTI)&&(!alwaysNotify)) {
149			String nick = currentCon.getMucOptions().getNick();
150			notify = currentCon.getLatestMessage().getBody().contains(nick);
151			if (!notify) {
152				return;
153			}
154		}
155		
156		List<Conversation> unread = new ArrayList<Conversation>();
157		for (Conversation conversation : conversations) {
158			if (!conversation.isRead()) {
159				unread.add(conversation);
160			}
161		}
162		String ringtone = preferences.getString("notification_ringtone", null);
163
164		Resources res = context.getResources();
165		NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(
166				context);
167		if (unread.size() == 0) {
168			mNotificationManager.cancelAll();
169		} else if (unread.size() == 1) {
170			Conversation conversation = unread.get(0);
171			targetUuid = conversation.getUuid();
172			/*mBuilder.setLargeIcon(UIHelper.getUnknownContactPicture(
173					conversation.getName(),
174					(int) res
175							.getDimension(android.R.dimen.notification_large_icon_width)));*/
176			mBuilder.setLargeIcon(UIHelper.getContactPicture(conversation.getContact(), (int) res
177							.getDimension(android.R.dimen.notification_large_icon_width), context));
178			mBuilder.setContentTitle(conversation.getName());
179			if (notify) {
180				mBuilder.setTicker(conversation.getLatestMessage().getBody().trim());
181			}
182			StringBuilder bigText = new StringBuilder();
183			List<Message> messages = conversation.getMessages();
184			String firstLine = "";
185			for (int i = messages.size() - 1; i >= 0; --i) {
186				if (!messages.get(i).isRead()) {
187					if (i == messages.size() - 1) {
188						firstLine = messages.get(i).getBody().trim();
189						bigText.append(firstLine);
190					} else {
191						firstLine = messages.get(i).getBody().trim();
192						bigText.insert(0, firstLine + "\n");
193					}
194				} else {
195					break;
196				}
197			}
198			mBuilder.setContentText(firstLine);
199			mBuilder.setStyle(new NotificationCompat.BigTextStyle()
200					.bigText(bigText.toString()));
201		} else {
202			NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
203			style.setBigContentTitle(unread.size() + " unread Conversations");
204			StringBuilder names = new StringBuilder();
205			for (int i = 0; i < unread.size(); ++i) {
206				targetUuid = unread.get(i).getUuid();
207				if (i < unread.size() - 1) {
208					names.append(unread.get(i).getName() + ", ");
209				} else {
210					names.append(unread.get(i).getName());
211				}
212				style.addLine(Html.fromHtml("<b>" + unread.get(i).getName()
213						+ "</b> " + unread.get(i).getLatestMessage().getBody().trim()));
214			}
215			mBuilder.setContentTitle(unread.size() + " unread Conversations");
216			mBuilder.setContentText(names.toString());
217			mBuilder.setStyle(style);
218		}
219		if (unread.size() != 0) {
220			mBuilder.setSmallIcon(R.drawable.notification);
221			if (notify) {
222				if (vibrate) {
223					int dat = 110;
224					long[] pattern = {0,3*dat,dat,dat,dat,3*dat,dat,dat};
225					mBuilder.setVibrate(pattern);
226				}
227				mBuilder.setLights(0xffffffff, 2000, 4000);
228				if (ringtone != null) {
229					mBuilder.setSound(Uri.parse(ringtone));
230				}
231			}
232
233			TaskStackBuilder stackBuilder = TaskStackBuilder.create(context);
234			stackBuilder.addParentStack(ConversationActivity.class);
235
236			Intent viewConversationIntent = new Intent(context,
237					ConversationActivity.class);
238			viewConversationIntent.setAction(Intent.ACTION_VIEW);
239			viewConversationIntent.putExtra(ConversationActivity.CONVERSATION,
240					targetUuid);
241			viewConversationIntent
242					.setType(ConversationActivity.VIEW_CONVERSATION);
243			
244			stackBuilder.addNextIntent(viewConversationIntent);
245
246			PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(
247					0, PendingIntent.FLAG_UPDATE_CURRENT);
248			
249			mBuilder.setContentIntent(resultPendingIntent);
250			Notification notification = mBuilder.build();
251			mNotificationManager.notify(2342, notification);
252		}
253	}
254	
255	public static void prepareContactBadge(final Activity activity,
256			QuickContactBadge badge, final Contact contact) {
257		if (contact.getSystemAccount() != null) {
258			String[] systemAccount = contact.getSystemAccount().split("#");
259			long id = Long.parseLong(systemAccount[0]);
260			badge.assignContactUri(Contacts.getLookupUri(id, systemAccount[1]));
261
262			if (contact.getProfilePhoto() != null) {
263				badge.setImageURI(Uri.parse(contact.getProfilePhoto()));
264			} else {
265				badge.setImageBitmap(UIHelper.getUnknownContactPicture(
266						contact.getDisplayName(), 400));
267			}
268		} else {
269			badge.setImageBitmap(UIHelper.getUnknownContactPicture(
270					contact.getDisplayName(), 400));
271		}
272
273	}
274
275	public static AlertDialog getVerifyFingerprintDialog(
276			final ConversationActivity activity,
277			final Conversation conversation, final LinearLayout msg) {
278		final Contact contact = conversation.getContact();
279		final Account account = conversation.getAccount();
280
281		AlertDialog.Builder builder = new AlertDialog.Builder(activity);
282		builder.setTitle("Verify fingerprint");
283		LayoutInflater inflater = activity.getLayoutInflater();
284		View view = inflater.inflate(R.layout.dialog_verify_otr, null);
285		TextView jid = (TextView) view.findViewById(R.id.verify_otr_jid);
286		TextView fingerprint = (TextView) view
287				.findViewById(R.id.verify_otr_fingerprint);
288		TextView yourprint = (TextView) view
289				.findViewById(R.id.verify_otr_yourprint);
290
291		jid.setText(contact.getJid());
292		fingerprint.setText(conversation.getOtrFingerprint());
293		yourprint.setText(account.getOtrFingerprint());
294		builder.setNegativeButton("Cancel", null);
295		builder.setPositiveButton("Verify", new OnClickListener() {
296
297			@Override
298			public void onClick(DialogInterface dialog, int which) {
299				contact.addOtrFingerprint(conversation.getOtrFingerprint());
300				msg.setVisibility(View.GONE);
301				activity.xmppConnectionService.updateContact(contact);
302			}
303		});
304		builder.setView(view);
305		return builder.create();
306	}
307}