1/* 2 3 * Copyright (C) 2008 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18package com.android.settings.accounts; 19 20import android.accounts.AuthenticatorDescription; 21import android.app.Activity; 22import android.content.ContentResolver; 23import android.content.Context; 24import android.content.SyncStatusObserver; 25import android.content.pm.PackageManager; 26import android.content.res.Resources; 27import android.content.res.Resources.Theme; 28import android.graphics.drawable.Drawable; 29import android.os.Bundle; 30import android.os.Handler; 31import android.os.UserHandle; 32import android.os.UserManager; 33import android.preference.PreferenceScreen; 34import android.text.format.DateFormat; 35import android.util.Log; 36import android.view.ContextThemeWrapper; 37 38import com.android.settings.SettingsPreferenceFragment; 39import com.android.settings.Utils; 40 41import java.util.ArrayList; 42import java.util.Date; 43 44class AccountPreferenceBase extends SettingsPreferenceFragment 45 implements AuthenticatorHelper.OnAccountsUpdateListener { 46 47 protected static final String TAG = "AccountSettings"; 48 49 public static final String AUTHORITIES_FILTER_KEY = "authorities"; 50 public static final String ACCOUNT_TYPES_FILTER_KEY = "account_types"; 51 52 private final Handler mHandler = new Handler(); 53 54 private UserManager mUm; 55 private Object mStatusChangeListenerHandle; 56 protected AuthenticatorHelper mAuthenticatorHelper; 57 protected UserHandle mUserHandle; 58 59 private java.text.DateFormat mDateFormat; 60 private java.text.DateFormat mTimeFormat; 61 62 @Override 63 public void onCreate(Bundle icicle) { 64 super.onCreate(icicle); 65 mUm = (UserManager) getSystemService(Context.USER_SERVICE); 66 final Activity activity = getActivity(); 67 mUserHandle = Utils.getSecureTargetUser(activity.getActivityToken(), mUm, getArguments(), 68 activity.getIntent().getExtras()); 69 mAuthenticatorHelper = new AuthenticatorHelper(activity, mUserHandle, mUm, this); 70 } 71 72 /** 73 * Overload to handle account updates. 74 */ 75 @Override 76 public void onAccountsUpdate(UserHandle userHandle) { 77 78 } 79 80 /** 81 * Overload to handle authenticator description updates 82 */ 83 protected void onAuthDescriptionsUpdated() { 84 85 } 86 87 /** 88 * Overload to handle sync state updates. 89 */ 90 protected void onSyncStateUpdated() { 91 92 } 93 94 @Override 95 public void onActivityCreated(Bundle savedInstanceState) { 96 super.onActivityCreated(savedInstanceState); 97 98 final Activity activity = getActivity(); 99 100 mDateFormat = DateFormat.getDateFormat(activity); 101 mTimeFormat = DateFormat.getTimeFormat(activity); 102 } 103 104 @Override 105 public void onResume() { 106 super.onResume(); 107 mStatusChangeListenerHandle = ContentResolver.addStatusChangeListener( 108 ContentResolver.SYNC_OBSERVER_TYPE_ACTIVE 109 | ContentResolver.SYNC_OBSERVER_TYPE_STATUS 110 | ContentResolver.SYNC_OBSERVER_TYPE_SETTINGS, 111 mSyncStatusObserver); 112 onSyncStateUpdated(); 113 } 114 115 @Override 116 public void onPause() { 117 super.onPause(); 118 ContentResolver.removeStatusChangeListener(mStatusChangeListenerHandle); 119 } 120 121 private SyncStatusObserver mSyncStatusObserver = new SyncStatusObserver() { 122 public void onStatusChanged(int which) { 123 mHandler.post(new Runnable() { 124 public void run() { 125 onSyncStateUpdated(); 126 } 127 }); 128 } 129 }; 130 131 public ArrayList<String> getAuthoritiesForAccountType(String type) { 132 return mAuthenticatorHelper.getAuthoritiesForAccountType(type); 133 } 134 135 /** 136 * Gets the preferences.xml file associated with a particular account type. 137 * @param accountType the type of account 138 * @return a PreferenceScreen inflated from accountPreferenceId. 139 */ 140 public PreferenceScreen addPreferencesForType(final String accountType, 141 PreferenceScreen parent) { 142 PreferenceScreen prefs = null; 143 if (mAuthenticatorHelper.containsAccountType(accountType)) { 144 AuthenticatorDescription desc = null; 145 try { 146 desc = mAuthenticatorHelper.getAccountTypeDescription(accountType); 147 if (desc != null && desc.accountPreferencesId != 0) { 148 // Load the context of the target package, then apply the 149 // base Settings theme (no references to local resources) 150 // and create a context theme wrapper so that we get the 151 // correct text colors. Control colors will still be wrong, 152 // but there's not much we can do about it since we can't 153 // reference local color resources. 154 final Context targetCtx = getActivity().createPackageContextAsUser( 155 desc.packageName, 0, mUserHandle); 156 final Theme baseTheme = getResources().newTheme(); 157 baseTheme.applyStyle(com.android.settings.R.style.Theme_SettingsBase, true); 158 final Context themedCtx = new ContextThemeWrapper(targetCtx, 0); 159 themedCtx.getTheme().setTo(baseTheme); 160 prefs = getPreferenceManager().inflateFromResource(themedCtx, 161 desc.accountPreferencesId, parent); 162 } 163 } catch (PackageManager.NameNotFoundException e) { 164 Log.w(TAG, "Couldn't load preferences.xml file from " + desc.packageName); 165 } catch (Resources.NotFoundException e) { 166 Log.w(TAG, "Couldn't load preferences.xml file from " + desc.packageName); 167 } 168 } 169 return prefs; 170 } 171 172 public void updateAuthDescriptions() { 173 mAuthenticatorHelper.updateAuthDescriptions(getActivity()); 174 onAuthDescriptionsUpdated(); 175 } 176 177 protected Drawable getDrawableForType(final String accountType) { 178 return mAuthenticatorHelper.getDrawableForType(getActivity(), accountType); 179 } 180 181 protected CharSequence getLabelForType(final String accountType) { 182 return mAuthenticatorHelper.getLabelForType(getActivity(), accountType); 183 } 184 185 protected String formatSyncDate(Date date) { 186 // TODO: Switch to using DateUtils.formatDateTime 187 return mDateFormat.format(date) + " " + mTimeFormat.format(date); 188 } 189} 190