Improved multiple contacts deletion + fixed list update

src/org/linphone/ContactsListFragment.java

@@ -19,6 +19,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 package org.linphone;
 
+import java.util.ArrayList;
 import java.util.List;
 
 import org.linphone.core.LinphoneFriend;
@@ -51,7 +52,7 @@ import android.widget.TextView;
  * @author Sylvain Berfini
  */
 @SuppressLint("DefaultLocale")
-public class ContactsListFragment extends Fragment implements OnClickListener, OnItemClickListener {
+public class ContactsListFragment extends Fragment implements OnClickListener, OnItemClickListener, ContactsUpdatedListener {
 	private LayoutInflater mInflater;
 	private ListView contactsList;
 	private TextView noSipContact, noContact;
@@ -273,14 +274,23 @@ public class ContactsListFragment extends Fragment implements OnClickListener, O
 		}
 	}
 
-	private void removeContacts(){
+	private void removeContacts() {
+		ArrayList<String> ids = new ArrayList<String>();
 		int size = contactsList.getAdapter().getCount();
+		
 		for (int i = size - 1; i >= 0; i--) {
 			if (contactsList.isItemChecked(i)) {
 				LinphoneContact contact = (LinphoneContact) contactsList.getAdapter().getItem(i);
-				contact.delete();
+				if (contact.isAndroidContact()) {
+					contact.deleteFriend();
+					ids.add(contact.getAndroidId());
+				} else {
+					contact.delete();
+				}
 			}
 		}
+		
+		ContactsManager.getInstance().deleteMultipleContactsAtOnce(ids);
 	}
 
 	public void quitEditMode(){
@@ -369,6 +379,7 @@ public class ContactsListFragment extends Fragment implements OnClickListener, O
 	@Override
 	public void onResume() {
 		instance = this;
+		ContactsManager.addContactsListener(this);
 		super.onResume();
 
 		if (editConsumed) {
@@ -388,9 +399,15 @@ public class ContactsListFragment extends Fragment implements OnClickListener, O
 	@Override
 	public void onPause() {
 		instance = null;
+		ContactsManager.removeContactsListener(this);
 		super.onPause();
 	}
 	
+	@Override
+	public void onContactsUpdated() {
+		invalidate();
+	}
+	
 	public void invalidate() {
 		if (searchField != null && searchField.getText().toString().length() > 0) {
 			searchContacts(searchField.getText().toString());

src/org/linphone/ContactsManager.java

@@ -29,6 +29,7 @@ import org.linphone.mediastream.Log;
 
 import android.accounts.Account;
 import android.accounts.AccountManager;
+import android.content.ContentProviderOperation;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.database.ContentObserver;
@@ -52,6 +53,15 @@ public class ContactsManager extends ContentObserver {
 	private Account mAccount;
 	private boolean preferLinphoneContacts = false, isContactPresenceDisabled = true, hasContactAccess = false;
 	private ContentResolver contentResolver;
+	
+	private static ArrayList<ContactsUpdatedListener> contactsUpdatedListeners;
+	public static void addContactsListener(ContactsUpdatedListener listener) {
+		contactsUpdatedListeners.add(listener);
+	}
+	public static void removeContactsListener(ContactsUpdatedListener listener) {
+		contactsUpdatedListeners.remove(listener);
+	}
+	
 	private static Handler handler = new Handler() {
 		@SuppressWarnings("unchecked")
 		@Override
@@ -59,12 +69,16 @@ public class ContactsManager extends ContentObserver {
 			if (msg.what == CONTACTS_UPDATED && msg.obj instanceof List<?>) {
 				List<LinphoneContact> c = (List<LinphoneContact>) msg.obj;
 				ContactsManager.getInstance().setContacts(c);
+				for (ContactsUpdatedListener listener : contactsUpdatedListeners) {
+					listener.onContactsUpdated();
+				}
 			}
 		}
 	};
 
 	private ContactsManager(Handler handler) {
 		super(handler);
+		contactsUpdatedListeners = new ArrayList<ContactsUpdatedListener>();
 	}
 	
 	@Override
@@ -156,10 +170,6 @@ public class ContactsManager extends ContentObserver {
 		}
 		return null;
 	}
-
-	public synchronized void removeContact(LinphoneContact linphoneContact) {
-		contacts.remove(linphoneContact);
-	}
 	
 	public synchronized void setContacts(List<LinphoneContact> c) {
 		contacts = c;
@@ -224,4 +234,27 @@ public class ContactsManager extends ContentObserver {
 		}
 		return null;
 	}
+	
+	public void delete(String id) {
+		ArrayList<String> ids = new ArrayList<String>();
+		ids.add(id);
+		deleteMultipleContactsAtOnce(ids);
+	}
+	
+	public void deleteMultipleContactsAtOnce(List<String> ids) {
+		String select = ContactsContract.Data.CONTACT_ID + " = ?";
+		ArrayList<ContentProviderOperation> ops = new ArrayList<ContentProviderOperation>();
+		
+		for (String id : ids) {
+			String[] args = new String[] { id };
+			ops.add(ContentProviderOperation.newDelete(ContactsContract.RawContacts.CONTENT_URI).withSelection(select, args).build());
+		}
+
+		ContentResolver cr = ContactsManager.getInstance().getContentResolver();
+		try {
+			cr.applyBatch(ContactsContract.AUTHORITY, ops);
+		} catch (Exception e) {
+			Log.e(e);
+		}
+	}
 }

src/org/linphone/LinphoneContact.java

@@ -137,8 +137,11 @@ public class LinphoneContact implements Serializable {
 			} catch (Exception e) {
 				Log.e(e);
 			}
-			ContactsManager.getInstance().removeContact(this);
 		}
+		deleteFriend();
+	}
+	
+	public void deleteFriend() {
 		if (friend != null) {
 			LinphoneManager.getLcIfManagerNotDestroyedOrNull().removeFriend(friend);
 		}