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.calendar.selectcalendars;
18
19import com.android.calendar.AsyncQueryService;
20import com.android.calendar.R;
21import com.android.calendar.selectcalendars.SelectCalendarsSyncAdapter.CalendarRow;
22
23import android.accounts.Account;
24import android.app.Activity;
25import android.app.ListFragment;
26import android.app.LoaderManager;
27import android.content.ContentResolver;
28import android.content.ContentUris;
29import android.content.ContentValues;
30import android.content.CursorLoader;
31import android.content.Intent;
32import android.content.Loader;
33import android.content.res.Resources;
34import android.database.Cursor;
35import android.net.Uri;
36import android.os.Bundle;
37import android.provider.CalendarContract;
38import android.provider.CalendarContract.Calendars;
39import android.view.LayoutInflater;
40import android.view.View;
41import android.view.ViewGroup;
42import android.widget.Button;
43import android.widget.ListAdapter;
44import android.widget.TextView;
45
46import java.util.HashMap;
47
48public class SelectCalendarsSyncFragment extends ListFragment
49        implements View.OnClickListener, LoaderManager.LoaderCallbacks<Cursor> {
50    private static final String TAG = "SelectCalendarSync";
51
52    private static final String COLLATE_NOCASE = " COLLATE NOCASE";
53    private static final String SELECTION = Calendars.ACCOUNT_NAME + "=? AND "
54            + Calendars.ACCOUNT_TYPE + "=?";
55    // is primary lets us sort the user's main calendar to the top of the list
56    private static final String IS_PRIMARY = "\"primary\"";
57    private static final String SORT_ORDER = IS_PRIMARY + " DESC," + Calendars.CALENDAR_DISPLAY_NAME
58            + COLLATE_NOCASE;
59
60    private static final String[] PROJECTION = new String[] {
61        Calendars._ID,
62        Calendars.CALENDAR_DISPLAY_NAME,
63        Calendars.CALENDAR_COLOR,
64        Calendars.SYNC_EVENTS,
65        "(" + Calendars.ACCOUNT_NAME + "=" + Calendars.OWNER_ACCOUNT + ") AS " + IS_PRIMARY, };
66
67    private TextView mSyncStatus;
68    private Button mAccountsButton;
69    private Account mAccount;
70    private final String[] mArgs = new String[2];
71    private AsyncQueryService mService;
72
73    public SelectCalendarsSyncFragment() {
74    }
75
76    public SelectCalendarsSyncFragment(Bundle bundle) {
77        mAccount = new Account(bundle.getString(Calendars.ACCOUNT_NAME),
78                bundle.getString(Calendars.ACCOUNT_TYPE));
79    }
80
81    @Override
82    public View onCreateView(
83            LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
84        View v = inflater.inflate(R.layout.account_calendars, null);
85        mSyncStatus = (TextView) v.findViewById(R.id.account_status);
86        mSyncStatus.setVisibility(View.GONE);
87
88        mAccountsButton = (Button) v.findViewById(R.id.sync_settings);
89        mAccountsButton.setVisibility(View.GONE);
90        mAccountsButton.setOnClickListener(this);
91
92        return v;
93    }
94
95    @Override
96    public void onActivityCreated(Bundle savedInstanceState) {
97        super.onActivityCreated(savedInstanceState);
98        // Give some text to display if there is no data. In a real
99        // application this would come from a resource.
100        setEmptyText(getActivity().getText(R.string.no_syncable_calendars));
101        // Prepare the loader. Either re-connect with an existing one,
102        // or start a new one.
103        getLoaderManager().initLoader(0, null, this);
104    }
105
106    @Override
107    public void onResume() {
108        super.onResume();
109        if (!ContentResolver.getMasterSyncAutomatically()
110                || !ContentResolver.getSyncAutomatically(mAccount, CalendarContract.AUTHORITY)) {
111            Resources res = getActivity().getResources();
112            mSyncStatus.setText(res.getString(R.string.acct_not_synced));
113            mSyncStatus.setVisibility(View.VISIBLE);
114            mAccountsButton.setText(res.getString(R.string.accounts));
115            mAccountsButton.setVisibility(View.VISIBLE);
116        } else {
117            mSyncStatus.setVisibility(View.GONE);
118            mAccountsButton.setVisibility(View.GONE);
119        }
120    }
121
122    @Override
123    public void onAttach(Activity activity) {
124        super.onAttach(activity);
125        mService = new AsyncQueryService(activity);
126
127        Bundle bundle = getArguments();
128        if (bundle != null && bundle.containsKey(Calendars.ACCOUNT_NAME)
129                && bundle.containsKey(Calendars.ACCOUNT_TYPE)) {
130            mAccount = new Account(bundle.getString(Calendars.ACCOUNT_NAME),
131                    bundle.getString(Calendars.ACCOUNT_TYPE));
132        }
133    }
134
135    @Override
136    public void onPause() {
137        final ListAdapter listAdapter = getListAdapter();
138        if (listAdapter != null) {
139            HashMap<Long, CalendarRow> changes = ((SelectCalendarsSyncAdapter) listAdapter)
140                    .getChanges();
141            if (changes != null && changes.size() > 0) {
142                for (CalendarRow row : changes.values()) {
143                    if (row.synced == row.originalSynced) {
144                        continue;
145                    }
146                    long id = row.id;
147                    mService.cancelOperation((int) id);
148                    // Use the full long id in case it makes a difference
149                    Uri uri = ContentUris.withAppendedId(Calendars.CONTENT_URI, row.id);
150                    ContentValues values = new ContentValues();
151                    // Toggle the current setting
152                    int synced = row.synced ? 1 : 0;
153                    values.put(Calendars.SYNC_EVENTS, synced);
154                    values.put(Calendars.VISIBLE, synced);
155                    mService.startUpdate((int) id, null, uri, values, null, null, 0);
156                }
157                changes.clear();
158            }
159        }
160        super.onPause();
161    }
162
163    @Override
164    public Loader<Cursor> onCreateLoader(int id, Bundle args) {
165        mArgs[0] = mAccount.name;
166        mArgs[1] = mAccount.type;
167        return new CursorLoader(
168                getActivity(), Calendars.CONTENT_URI, PROJECTION, SELECTION, mArgs, SORT_ORDER);
169    }
170
171    @Override
172    public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
173        SelectCalendarsSyncAdapter adapter = (SelectCalendarsSyncAdapter) getListAdapter();
174        if (adapter == null) {
175            adapter = new SelectCalendarsSyncAdapter(getActivity(), data);
176            setListAdapter(adapter);
177        } else {
178            adapter.changeCursor(data);
179        }
180        getListView().setOnItemClickListener(adapter);
181    }
182
183    public void onLoaderReset(Loader<Cursor> loader) {
184        setListAdapter(null);
185    }
186
187    // Called when the Accounts button is pressed. Takes the user to the
188    // Accounts and Sync settings page.
189    @Override
190    public void onClick(View v) {
191        Intent intent = new Intent();
192        intent.setAction("android.settings.SYNC_SETTINGS");
193        getActivity().startActivity(intent);
194    }
195}
196