/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.contacts.interactions;
import com.google.common.collect.Sets;
import com.android.contacts.ContactSaveService;
import com.android.contacts.R;
import com.android.contacts.common.model.AccountTypeManager;
import com.android.contacts.common.model.account.AccountType;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Fragment;
import android.app.FragmentManager;
import android.app.LoaderManager.LoaderCallbacks;
import android.content.Context;
import android.content.CursorLoader;
import android.content.DialogInterface;
import android.content.DialogInterface.OnDismissListener;
import android.content.Loader;
import android.database.Cursor;
import android.os.Bundle;
import android.provider.ContactsContract.RawContacts;
import android.util.Log;
import java.util.HashSet;
import java.util.TreeSet;
/**
* An interaction invoked to delete multiple contacts.
*
* This class is very similar to {@link ContactDeletionInteraction}.
*/
public class ContactMultiDeletionInteraction extends Fragment
implements LoaderCallbacks<Cursor> {
public interface MultiContactDeleteListener {
void onDeletionFinished();
}
private static final String FRAGMENT_TAG = "deleteMultipleContacts";
private static final String TAG = "ContactMultiDeletionInteraction";
private static final String KEY_ACTIVE = "active";
private static final String KEY_CONTACTS_IDS = "contactIds";
public static final String ARG_CONTACT_IDS = "contactIds";
private static final String[] RAW_CONTACT_PROJECTION = new String[] {
RawContacts._ID,
RawContacts.ACCOUNT_TYPE,
RawContacts.DATA_SET,
RawContacts.CONTACT_ID,
};
private static final int COLUMN_INDEX_RAW_CONTACT_ID = 0;
private static final int COLUMN_INDEX_ACCOUNT_TYPE = 1;
private static final int COLUMN_INDEX_DATA_SET = 2;
private static final int COLUMN_INDEX_CONTACT_ID = 3;
private boolean mIsLoaderActive;
private TreeSet<Long> mContactIds;
private Context mContext;
private AlertDialog mDialog;
/**
* Starts the interaction.
*
* @param activity the activity within which to start the interaction
* @param contactIds the IDs of contacts to be deleted
* @return the newly created interaction
*/
public static ContactMultiDeletionInteraction start(
Activity activity, TreeSet<Long> contactIds) {
if (contactIds == null) {
return null;
}
final FragmentManager fragmentManager = activity.getFragmentManager();
ContactMultiDeletionInteraction fragment =
(ContactMultiDeletionInteraction) fragmentManager.findFragmentByTag(FRAGMENT_TAG);
if (fragment == null) {
fragment = new ContactMultiDeletionInteraction();
fragment.setContactIds(contactIds);
fragmentManager.beginTransaction().add(fragment, FRAGMENT_TAG)
.commitAllowingStateLoss();
} else {
fragment.setContactIds(contactIds);
}
return fragment;
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
mContext = activity;
}
@Override
public void onDestroyView() {
super.onDestroyView();
if (mDialog != null && mDialog.isShowing()) {
mDialog.setOnDismissListener(null);
mDialog.dismiss();
mDialog = null;
}
}
public void setContactIds(TreeSet<Long> contactIds) {
mContactIds = contactIds;
mIsLoaderActive = true;
if (isStarted()) {
Bundle args = new Bundle();
args.putSerializable(ARG_CONTACT_IDS, mContactIds);
getLoaderManager().restartLoader(R.id.dialog_delete_multiple_contact_loader_id,
args, this);
}
}
private boolean isStarted() {
return isAdded();
}
@Override
public void onStart() {
if (mIsLoaderActive) {
Bundle args = new Bundle();
args.putSerializable(ARG_CONTACT_IDS, mContactIds);
getLoaderManager().initLoader(
R.id.dialog_delete_multiple_contact_loader_id, args, this);
}
super.onStart();
}
@Override
public void onStop() {
super.onStop();
if (mDialog != null) {
mDialog.hide();
}
}
@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
final TreeSet<Long> contactIds = (TreeSet<Long>) args.getSerializable(ARG_CONTACT_IDS);
final Object[] parameterObject = contactIds.toArray();
final String[] parameters = new String[contactIds.size()];
final StringBuilder builder = new StringBuilder();
for (int i = 0; i < contactIds.size(); i++) {
parameters[i] = String.valueOf(parameterObject[i]);
builder.append(RawContacts.CONTACT_ID + " =?");
if (i == contactIds.size() -1) {
break;
}
builder.append(" OR ");
}
return new CursorLoader(mContext, RawContacts.CONTENT_URI, RAW_CONTACT_PROJECTION,
builder.toString(), parameters, null);
}
@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) {
if (mDialog != null) {
mDialog.dismiss();
mDialog = null;
}
if (!mIsLoaderActive) {
return;
}
if (cursor == null || cursor.isClosed()) {
Log.e(TAG, "Failed to load contacts");
return;
}
// This cursor may contain duplicate raw contacts, so we need to de-dupe them first
final HashSet<Long> readOnlyRawContacts = Sets.newHashSet();
final HashSet<Long> writableRawContacts = Sets.newHashSet();
final HashSet<Long> contactIds = Sets.newHashSet();
AccountTypeManager accountTypes = AccountTypeManager.getInstance(getActivity());
cursor.moveToPosition(-1);
while (cursor.moveToNext()) {
final long rawContactId = cursor.getLong(COLUMN_INDEX_RAW_CONTACT_ID);
final String accountType = cursor.getString(COLUMN_INDEX_ACCOUNT_TYPE);
final String dataSet = cursor.getString(COLUMN_INDEX_DATA_SET);
final long contactId = cursor.getLong(COLUMN_INDEX_CONTACT_ID);
contactIds.add(contactId);
final AccountType type = accountTypes.getAccountType(accountType, dataSet);
boolean writable = type == null || type.areContactsWritable();
if (writable) {
writableRawContacts.add(rawContactId);
} else {
readOnlyRawContacts.add(rawContactId);
}
}
final int readOnlyCount = readOnlyRawContacts.size();
final int writableCount = writableRawContacts.size();
final int messageId;
int positiveButtonId = android.R.string.ok;
if (readOnlyCount > 0 && writableCount > 0) {
messageId = R.string.batch_delete_multiple_accounts_confirmation;
} else if (readOnlyCount > 0 && writableCount == 0) {
messageId = R.string.batch_delete_read_only_contact_confirmation;
positiveButtonId = R.string.readOnlyContactWarning_positive_button;
} else if (writableCount == 1) {
messageId = R.string.single_delete_confirmation;
positiveButtonId = R.string.deleteConfirmation_positive_button;
} else {
messageId = R.string.batch_delete_confirmation;
positiveButtonId = R.string.deleteConfirmation_positive_button;
}
// Convert set of contact ids into a format that is easily parcellable and iterated upon
// for the sake of ContactSaveService.
final Long[] contactIdObjectArray = contactIds.toArray(new Long[contactIds.size()]);
final long[] contactIdArray = new long[contactIds.size()];
for (int i = 0; i < contactIds.size(); i++) {
contactIdArray[i] = contactIdObjectArray[i];
}
showDialog(messageId, positiveButtonId, contactIdArray);
// We don't want onLoadFinished() calls any more, which may come when the database is
// updating.
getLoaderManager().destroyLoader(R.id.dialog_delete_multiple_contact_loader_id);
}
@Override
public void onLoaderReset(Loader<Cursor> loader) {
}
private void showDialog(int messageId, int positiveButtonId, final long[] contactIds) {
mDialog = new AlertDialog.Builder(getActivity())
.setIconAttribute(android.R.attr.alertDialogIcon)
.setMessage(messageId)
.setNegativeButton(android.R.string.cancel, null)
.setPositiveButton(positiveButtonId,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int whichButton) {
doDeleteContact(contactIds);
}
}
)
.create();
mDialog.setOnDismissListener(new OnDismissListener() {
@Override
public void onDismiss(DialogInterface dialog) {
mIsLoaderActive = false;
mDialog = null;
}
});
mDialog.show();
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putBoolean(KEY_ACTIVE, mIsLoaderActive);
outState.putSerializable(KEY_CONTACTS_IDS, mContactIds);
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
if (savedInstanceState != null) {
mIsLoaderActive = savedInstanceState.getBoolean(KEY_ACTIVE);
mContactIds = (TreeSet<Long>) savedInstanceState.getSerializable(KEY_CONTACTS_IDS);
}
}
protected void doDeleteContact(long[] contactIds) {
mContext.startService(ContactSaveService.createDeleteMultipleContactsIntent(mContext,
contactIds));
notifyListenerActivity();
}
private void notifyListenerActivity() {
if (getActivity() instanceof MultiContactDeleteListener) {
final MultiContactDeleteListener listener = (MultiContactDeleteListener) getActivity();
listener.onDeletionFinished();
}
}
}