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 
17 package com.android.calendar;
18 
19 import android.accounts.Account;
20 import android.accounts.AccountManager;
21 import android.app.ActionBar;
22 import android.content.ContentResolver;
23 import android.content.Intent;
24 import android.os.Bundle;
25 import android.os.Handler;
26 import android.preference.PreferenceActivity;
27 import android.provider.CalendarContract;
28 import android.provider.CalendarContract.Calendars;
29 import android.provider.Settings;
30 import android.text.format.DateUtils;
31 import android.view.Menu;
32 import android.view.MenuItem;
33 
34 import java.util.List;
35 
36 public class CalendarSettingsActivity extends PreferenceActivity {
37     private static final int CHECK_ACCOUNTS_DELAY = 3000;
38     private Account[] mAccounts;
39     private Handler mHandler = new Handler();
40     private boolean mHideMenuButtons = false;
41 
42     @Override
onBuildHeaders(List<Header> target)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.preferences_experimental_category);
68             tardisHeader.fragment = "com.android.calendar.OtherPreferences";
69             target.add(tardisHeader);
70         }
71     }
72 
73     @Override
onOptionsItemSelected(MenuItem item)74     public boolean onOptionsItemSelected(MenuItem item) {
75         if (item.getItemId() == android.R.id.home) {
76             finish();
77             return true;
78         } else if (item.getItemId() == R.id.action_add_account) {
79             Intent nextIntent = new Intent(Settings.ACTION_ADD_ACCOUNT);
80             final String[] array = { "com.android.calendar" };
81             nextIntent.putExtra(Settings.EXTRA_AUTHORITIES, array);
82             nextIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
83             startActivity(nextIntent);
84             return true;
85         }
86         return super.onOptionsItemSelected(item);
87     }
88 
89     @Override
onCreateOptionsMenu(Menu menu)90     public boolean onCreateOptionsMenu(Menu menu) {
91         if (!mHideMenuButtons) {
92             getMenuInflater().inflate(R.menu.settings_title_bar, menu);
93         }
94         getActionBar()
95                 .setDisplayOptions(ActionBar.DISPLAY_HOME_AS_UP, ActionBar.DISPLAY_HOME_AS_UP);
96         return true;
97     }
98 
99     @Override
onResume()100     public void onResume() {
101         if (mHandler != null) {
102             mHandler.postDelayed(mCheckAccounts, CHECK_ACCOUNTS_DELAY);
103         }
104         super.onResume();
105     }
106 
107     @Override
onPause()108     public void onPause() {
109         if (mHandler != null) {
110             mHandler.removeCallbacks(mCheckAccounts);
111         }
112         super.onPause();
113     }
114 
115     @Override
isValidFragment(String fragmentName)116     protected boolean isValidFragment(String fragmentName) {
117         // This activity is not exported so we can just approve everything
118         return true;
119     }
120 
121     Runnable mCheckAccounts = new Runnable() {
122         @Override
123         public void run() {
124             Account[] accounts = AccountManager.get(CalendarSettingsActivity.this).getAccounts();
125             if (accounts != null && !accounts.equals(mAccounts)) {
126                 invalidateHeaders();
127             }
128         }
129     };
130 
hideMenuButtons()131     public void hideMenuButtons() {
132         mHideMenuButtons = true;
133     }
134 }
135