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