CalendarSettingsActivity.java revision ec23702af6b3255ad4c975a3647e4bb4446e6ea2 
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;
18
19import android.accounts.Account;
20import android.accounts.AccountManager;
21import android.app.ActionBar;
22import android.content.ContentResolver;
23import android.content.Intent;
24import android.os.Bundle;
25import android.os.Handler;
26import android.preference.PreferenceActivity;
27import android.provider.CalendarContract;
28import android.provider.CalendarContract.Calendars;
29import android.provider.Settings;
30import android.text.format.DateUtils;
31import android.view.Menu;
32import android.view.MenuInflater;
33import android.view.MenuItem;
34
35import java.util.List;
36
37public class CalendarSettingsActivity extends PreferenceActivity {
38    private static final int CHECK_ACCOUNTS_DELAY = 3000;
39    private Account[] mAccounts;
40    private Handler mHandler = new Handler();
41
42    @Override
43    public void onBuildHeaders(List<Header> target) {
44        loadHeadersFromResource(R.xml.calendar_settings_headers, target);
45
46        Account[] accounts = AccountManager.get(this).getAccounts();
47        if (accounts != null) {
48            int length = accounts.length;
49            for (int i = 0; i < length; i++) {
50                Account acct = accounts[i];
51                if (ContentResolver.getIsSyncable(acct, CalendarContract.AUTHORITY) > 0) {
52                    Header accountHeader = new Header();
53                    accountHeader.title = acct.name;
54                    accountHeader.fragment =
55                            "com.android.calendar.selectcalendars.SelectCalendarsSyncFragment";
56                    Bundle args = new Bundle();
57                    args.putString(Calendars.ACCOUNT_NAME, acct.name);
58                    args.putString(Calendars.ACCOUNT_TYPE, acct.type);
59                    accountHeader.fragmentArguments = args;
60                    target.add(1, accountHeader);
61                }
62            }
63        }
64        mAccounts = accounts;
65        if (Utils.getTardis() + DateUtils.MINUTE_IN_MILLIS > System.currentTimeMillis()) {
66            Header tardisHeader = new Header();
67            tardisHeader.title = getString(R.string.tardis);
68            tardisHeader.fragment = "com.android.calendar.OtherPreferences";
69            target.add(tardisHeader);
70        }
71    }
72
73    @Override
74    public boolean onOptionsItemSelected(MenuItem item) {
75        switch (item.getItemId()) {
76            case android.R.id.home:
77                Utils.returnToCalendarHome(this);
78                return true;
79            case R.id.action_add_account:
80                Intent nextIntent = new Intent(Settings.ACTION_ADD_ACCOUNT);
81                final String[] array = { "com.android.calendar" };
82                nextIntent.putExtra(Settings.EXTRA_AUTHORITIES, array);
83                nextIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
84                startActivity(nextIntent);
85                return true;
86        }
87        return super.onOptionsItemSelected(item);
88    }
89
90    @Override
91    public boolean onCreateOptionsMenu(Menu menu) {
92        MenuInflater inflater = getMenuInflater();
93        inflater.inflate(R.menu.settings_title_bar, menu);
94        getActionBar()
95                .setDisplayOptions(ActionBar.DISPLAY_HOME_AS_UP, ActionBar.DISPLAY_HOME_AS_UP);
96        return true;
97    }
98
99    @Override
100    public void onResume() {
101        if (mHandler != null) {
102            mHandler.postDelayed(mCheckAccounts, CHECK_ACCOUNTS_DELAY);
103        }
104        super.onResume();
105    }
106
107    @Override
108    public void onPause() {
109        if (mHandler != null) {
110            mHandler.removeCallbacks(mCheckAccounts);
111        }
112        super.onPause();
113    }
114
115    Runnable mCheckAccounts = new Runnable() {
116        @Override
117        public void run() {
118            Account[] accounts = AccountManager.get(CalendarSettingsActivity.this).getAccounts();
119            if (accounts != null && !accounts.equals(mAccounts)) {
120                invalidateHeaders();
121            }
122        }
123    };
124}
125