159 lines
5.9 KiB
Java
159 lines
5.9 KiB
Java
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.email.activity;
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import com.android.email.R;
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import com.android.mail.providers.Account;
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import com.android.mail.providers.UIProvider;
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import android.app.AlertDialog;
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import android.app.Dialog;
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import android.app.DialogFragment;
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import android.app.Fragment;
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import android.app.LoaderManager;
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import android.content.Context;
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import android.content.CursorLoader;
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import android.content.DialogInterface;
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import android.content.Loader;
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import android.database.Cursor;
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import android.os.Bundle;
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import android.view.View;
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import android.widget.AdapterView;
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import android.widget.AdapterView.OnItemClickListener;
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import android.widget.ListView;
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import android.widget.SimpleCursorAdapter;
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/**
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* Dialog which lists QuickResponses for the specified account. On user selection, will call
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* Callback.onQuickResponseSelected() with the selected QuickResponse text.
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*/
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public class InsertQuickResponseDialog extends DialogFragment {
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// Key for the Account object in the arguments bundle
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private static final String ACCOUNT_KEY = "account";
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/**
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* Callback interface for when user selects a QuickResponse.
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*/
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public interface Callback {
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/**
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* Handles the text of the selected QuickResponse.
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*/
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public void onQuickResponseSelected(CharSequence quickResponse);
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}
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// Public no-args constructor needed for fragment re-instantiation
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public InsertQuickResponseDialog() {}
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/**
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* Create and returns new dialog.
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*
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* @param callbackFragment fragment that implements {@link Callback}. Or null, in which case
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* the parent activity must implement {@link Callback}.
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*/
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public static InsertQuickResponseDialog
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newInstance(Fragment callbackFragment, Account account) {
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final InsertQuickResponseDialog dialog = new InsertQuickResponseDialog();
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// If a target is set, it MUST implement Callback. Fail-fast if not.
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if (callbackFragment != null) {
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if (!(callbackFragment instanceof Callback)) {
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throw new ClassCastException(callbackFragment.toString()
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+ " must implement Callback");
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}
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dialog.setTargetFragment(callbackFragment, 0);
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}
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Bundle args = new Bundle();
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args.putParcelable(ACCOUNT_KEY, account);
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dialog.setArguments(args);
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return dialog;
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}
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@Override
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public Dialog onCreateDialog(Bundle savedInstanceState) {
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// If target not set, the parent activity MUST implement Callback. Fail-fast if not.
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final Fragment targetFragment = getTargetFragment();
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if (targetFragment != null) {
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if (!(getActivity() instanceof Callback)) {
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throw new ClassCastException(getActivity().toString() + " must implement Callback");
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}
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}
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// Now that Callback implementation is verified, build the dialog
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final Context context = getActivity();
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final SimpleCursorAdapter adapter = new SimpleCursorAdapter(getActivity(),
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R.layout.quick_response_item, null,
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new String[] {UIProvider.QuickResponseColumns.TEXT},
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new int[] {R.id.quick_response_text}, 0);
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final ListView listView = new ListView(context);
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listView.setAdapter(adapter);
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listView.setOnItemClickListener(new OnItemClickListener() {
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@Override
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public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
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final Cursor c = (Cursor) listView.getItemAtPosition(position);
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final String quickResponseText =
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c.getString(c.getColumnIndex(UIProvider.QuickResponseColumns.TEXT));
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getCallback().onQuickResponseSelected(quickResponseText);
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dismiss();
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}
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});
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final Account account = getArguments().getParcelable(ACCOUNT_KEY);
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getLoaderManager().initLoader(0, null, new LoaderManager.LoaderCallbacks<Cursor>() {
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@Override
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public Loader<Cursor> onCreateLoader(int id, Bundle args) {
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return new CursorLoader(getActivity(), account.quickResponseUri,
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UIProvider.QUICK_RESPONSE_PROJECTION, null, null, null);
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}
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@Override
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public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
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adapter.swapCursor(data);
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}
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@Override
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public void onLoaderReset(Loader<Cursor> loader) {
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adapter.swapCursor(null);
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}
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});
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final AlertDialog.Builder b = new AlertDialog.Builder(context);
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b.setTitle(getResources()
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.getString(R.string.message_compose_insert_quick_response_list_title))
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.setView(listView)
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.setNegativeButton(R.string.cancel_action, new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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dialog.cancel();
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}
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});
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return b.create();
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}
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private Callback getCallback() {
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Fragment targetFragment = getTargetFragment();
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if (targetFragment != null) {
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return (Callback) targetFragment;
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}
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return (Callback) getActivity();
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}
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}
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