| /* |
| * 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.editor; |
| |
| import android.app.Activity; |
| 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 android.view.View; |
| import android.widget.TextView; |
| |
| import com.android.contacts.common.R; |
| 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"; |
| |
| /** |
| * 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) { |
| show(fragmentManager, targetFragment, titleResourceId, accountListFilter, extraArgs, |
| /* tag */ null); |
| } |
| |
| public static <F extends Fragment & Listener> void show(FragmentManager fragmentManager, |
| F targetFragment, int titleResourceId, |
| AccountListFilter accountListFilter, Bundle extraArgs, String tag) { |
| 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); |
| if (targetFragment != null) { |
| instance.setTargetFragment(targetFragment, 0); |
| } |
| instance.show(fragmentManager, tag); |
| } |
| |
| @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); |
| accountAdapter.setCustomLayout(R.layout.account_selector_list_item_condensed); |
| |
| final DialogInterface.OnClickListener clickListener = |
| new DialogInterface.OnClickListener() { |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| dialog.dismiss(); |
| |
| onAccountSelected(accountAdapter.getItem(which)); |
| } |
| }; |
| |
| final TextView title = (TextView) View.inflate(getActivity(), R.layout.dialog_title, null); |
| title.setText(args.getInt(KEY_TITLE_RES_ID)); |
| builder.setCustomTitle(title); |
| builder.setSingleChoiceItems(accountAdapter, 0, clickListener); |
| final AlertDialog result = builder.create(); |
| return result; |
| } |
| |
| @Override |
| public void onCancel(DialogInterface dialog) { |
| super.onCancel(dialog); |
| final Listener listener = getListener(); |
| if (listener != null) { |
| listener.onAccountSelectorCancelled(); |
| } |
| } |
| |
| @Override |
| public void onSaveInstanceState(Bundle b) { |
| setTargetFragment(null, -1); |
| super.onSaveInstanceState(b); |
| } |
| |
| /** |
| * Calls {@link Listener#onAccountChosen} of {@code targetFragment}. |
| */ |
| private void onAccountSelected(AccountWithDataSet account) { |
| final Listener listener = getListener(); |
| if (listener != null) { |
| listener.onAccountChosen(account, getArguments().getBundle(KEY_EXTRA_ARGS)); |
| } |
| } |
| |
| private Listener getListener() { |
| Listener listener = null; |
| final Fragment targetFragment = getTargetFragment(); |
| if (targetFragment == null) { |
| final Activity activity = getActivity(); |
| if (activity != null && activity instanceof Listener) { |
| listener = (Listener) activity; |
| } |
| } else if (targetFragment instanceof Listener) { |
| listener = (Listener) targetFragment; |
| } |
| return listener; |
| } |
| |
| public interface Listener { |
| void onAccountChosen(AccountWithDataSet account, Bundle extraArgs); |
| void onAccountSelectorCancelled(); |
| } |
| } |