MoveMessageToDialog.java revision 62f9c4d2803382f89cf8a19ed12b53b639d547fe 
1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.email.activity;
18
19import com.android.email.R;
20
21import android.app.Activity;
22import android.app.AlertDialog;
23import android.app.Dialog;
24import android.app.DialogFragment;
25import android.app.LoaderManager;
26import android.content.DialogInterface;
27import android.content.Loader;
28import android.database.Cursor;
29import android.os.Bundle;
30
31/**
32 * "Move (messages) to" dialog.
33 *
34 * TODO Make callback mechanism better  (don't use getActivity--use setTargetFragment instead.)
35 * TODO Fix the text color in mailbox_list_item.xml.
36 * TODO Don't show unread counts.
37 */
38public class MoveMessageToDialog extends DialogFragment implements DialogInterface.OnClickListener {
39    private static final String BUNDLE_ACCOUNT_ID = "account_id";
40    private static final String BUNDLE_MESSAGE_IDS = "message_ids";
41    private long mAccountId;
42    private MailboxesAdapter mAdapter;
43
44    public interface Callback {
45        public void onMoveToMailboxSelected(long newMailboxId, long[] messageIds);
46    }
47
48    public static MoveMessageToDialog newInstance(Activity parent, long accountId,
49            long[] messageIds) {
50        MoveMessageToDialog dialog = new MoveMessageToDialog();
51        Bundle args = new Bundle();
52        args.putLong(BUNDLE_ACCOUNT_ID, accountId);
53        args.putLongArray(BUNDLE_MESSAGE_IDS, messageIds);
54        dialog.setArguments(args);
55        return dialog;
56    }
57
58    @Override
59    public void onCreate(Bundle savedInstanceState) {
60        super.onCreate(savedInstanceState);
61        mAdapter = new MailboxesAdapter(getActivity().getApplicationContext());
62        mAccountId = getArguments().getLong(BUNDLE_ACCOUNT_ID);
63        setStyle(STYLE_NORMAL, android.R.style.Theme_Light_Holo);
64    }
65
66    @Override
67    public Dialog onCreateDialog(Bundle savedInstanceState) {
68        final Activity a = getActivity();
69        final String title = a.getResources().getString(R.string.move_to_folder_dialog_title);
70
71        a.getLoaderManager().initLoader(ActivityHelper.GLOBAL_LOADER_ID_MOVE_TO_DIALOG_LOADER,
72                getArguments(), new MyLoaderCallbacks());
73
74        return new AlertDialog.Builder(a)
75                .setTitle(title)
76                .setSingleChoiceItems(mAdapter, -1, this)
77                .show();
78    }
79
80    @Override
81    public void onClick(DialogInterface dialog, int position) {
82        final long mailboxId = mAdapter.getItemId(position);
83        final long[] massageIds = getArguments().getLongArray(BUNDLE_MESSAGE_IDS);
84
85        // TODO Fix it. It's not flexible
86        ((Callback) getActivity()).onMoveToMailboxSelected(mailboxId, massageIds);
87        dismiss();
88    }
89
90    private class MyLoaderCallbacks implements LoaderManager.LoaderCallbacks<Cursor> {
91        @Override
92        public Loader<Cursor> onCreateLoader(int id, Bundle args) {
93            return MailboxesAdapter.createLoader(getActivity().getApplicationContext(), mAccountId,
94                    MailboxesAdapter.MODE_MOVE_TO_TARGET);
95        }
96
97        @Override
98        public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
99            mAdapter.changeCursor(data);
100        }
101    }
102}
103