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/*
* Copyright (C) 2010 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.common.editor;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.app.Fragment;
import android.app.FragmentManager;
import android.content.DialogInterface;
import android.os.Bundle;
import com.android.contacts.common.model.account.AccountWithDataSet;
import com.android.contacts.common.util.AccountsListAdapter;
import com.android.contacts.common.util.AccountsListAdapter.AccountListFilter;
/**
* Shows a dialog asking the user which account to chose.
*
* The result is passed to {@code targetFragment} passed to {@link #show}.
*/
public final class SelectAccountDialogFragment extends DialogFragment {
public static final String TAG = "SelectAccountDialogFragment";
private static final String KEY_TITLE_RES_ID = "title_res_id";
private static final String KEY_LIST_FILTER = "list_filter";
private static final String KEY_EXTRA_ARGS = "extra_args";
public SelectAccountDialogFragment() { // All fragments must have a public default constructor.
}
/**
* Show the dialog.
*
* @param fragmentManager {@link FragmentManager}.
* @param targetFragment {@link Fragment} that implements {@link Listener}.
* @param titleResourceId resource ID to use as the title.
* @param accountListFilter account filter.
* @param extraArgs Extra arguments, which will later be passed to
* {@link Listener#onAccountChosen}. {@code null} will be converted to
* {@link Bundle#EMPTY}.
*/
public static <F extends Fragment & Listener> void show(FragmentManager fragmentManager,
F targetFragment, int titleResourceId,
AccountListFilter accountListFilter, Bundle extraArgs) {
final Bundle args = new Bundle();
args.putInt(KEY_TITLE_RES_ID, titleResourceId);
args.putSerializable(KEY_LIST_FILTER, accountListFilter);
args.putBundle(KEY_EXTRA_ARGS, (extraArgs == null) ? Bundle.EMPTY : extraArgs);
final SelectAccountDialogFragment instance = new SelectAccountDialogFragment();
instance.setArguments(args);
instance.setTargetFragment(targetFragment, 0);
instance.show(fragmentManager, null);
}
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
final Bundle args = getArguments();
final AccountListFilter filter = (AccountListFilter) args.getSerializable(KEY_LIST_FILTER);
final AccountsListAdapter accountAdapter = new AccountsListAdapter(builder.getContext(),
filter);
final DialogInterface.OnClickListener clickListener =
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
onAccountSelected(accountAdapter.getItem(which));
}
};
builder.setTitle(args.getInt(KEY_TITLE_RES_ID));
builder.setSingleChoiceItems(accountAdapter, 0, clickListener);
final AlertDialog result = builder.create();
return result;
}
@Override
public void onCancel(DialogInterface dialog) {
super.onCancel(dialog);
final Fragment targetFragment = getTargetFragment();
if (targetFragment != null && targetFragment instanceof Listener) {
final Listener target = (Listener) targetFragment;
target.onAccountSelectorCancelled();
}
}
/**
* Calls {@link Listener#onAccountChosen} of {@code targetFragment}.
*/
private void onAccountSelected(AccountWithDataSet account) {
final Fragment targetFragment = getTargetFragment();
if (targetFragment != null && targetFragment instanceof Listener) {
final Listener target = (Listener) targetFragment;
target.onAccountChosen(account, getArguments().getBundle(KEY_EXTRA_ARGS));
}
}
public interface Listener {
void onAccountChosen(AccountWithDataSet account, Bundle extraArgs);
void onAccountSelectorCancelled();
}
}
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