/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings.accounts;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import com.android.settings.SettingsPreferenceFragment;
import com.google.android.collect.Maps;
import android.accounts.Account;
import android.accounts.AccountManager;
import android.accounts.AuthenticatorDescription;
import android.accounts.OnAccountsUpdateListener;
import android.app.Activity;
import android.content.ContentResolver;
import android.content.Context;
import android.content.SyncAdapterType;
import android.content.SyncStatusObserver;
import android.content.pm.PackageManager;
import android.content.res.Resources;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.os.Handler;
import android.preference.PreferenceActivity;
import android.preference.PreferenceScreen;
import android.text.format.DateFormat;
import android.util.Log;
class AccountPreferenceBase extends SettingsPreferenceFragment
implements OnAccountsUpdateListener {
protected static final String TAG = "AccountSettings";
public static final String AUTHORITIES_FILTER_KEY = "authorities";
public static final String ACCOUNT_TYPES_FILTER_KEY = "account_types";
private final Handler mHandler = new Handler();
private Object mStatusChangeListenerHandle;
private HashMap<String, ArrayList<String>> mAccountTypeToAuthorities = null;
private AuthenticatorHelper mAuthenticatorHelper = new AuthenticatorHelper();
private java.text.DateFormat mDateFormat;
private java.text.DateFormat mTimeFormat;
/**
* Overload to handle account updates.
*/
public void onAccountsUpdated(Account[] accounts) {
}
/**
* Overload to handle authenticator description updates
*/
protected void onAuthDescriptionsUpdated() {
}
/**
* Overload to handle sync state updates.
*/
protected void onSyncStateUpdated() {
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
final Activity activity = getActivity();
mDateFormat = DateFormat.getDateFormat(activity);
mTimeFormat = DateFormat.getTimeFormat(activity);
}
@Override
public void onResume() {
super.onResume();
mStatusChangeListenerHandle = ContentResolver.addStatusChangeListener(
ContentResolver.SYNC_OBSERVER_TYPE_ACTIVE
| ContentResolver.SYNC_OBSERVER_TYPE_STATUS
| ContentResolver.SYNC_OBSERVER_TYPE_SETTINGS,
mSyncStatusObserver);
onSyncStateUpdated();
}
@Override
public void onPause() {
super.onPause();
ContentResolver.removeStatusChangeListener(mStatusChangeListenerHandle);
}
private SyncStatusObserver mSyncStatusObserver = new SyncStatusObserver() {
public void onStatusChanged(int which) {
mHandler.post(new Runnable() {
public void run() {
onSyncStateUpdated();
}
});
}
};
public ArrayList<String> getAuthoritiesForAccountType(String type) {
if (mAccountTypeToAuthorities == null) {
mAccountTypeToAuthorities = Maps.newHashMap();
SyncAdapterType[] syncAdapters = ContentResolver.getSyncAdapterTypes();
for (int i = 0, n = syncAdapters.length; i < n; i++) {
final SyncAdapterType sa = syncAdapters[i];
ArrayList<String> authorities = mAccountTypeToAuthorities.get(sa.accountType);
if (authorities == null) {
authorities = new ArrayList<String>();
mAccountTypeToAuthorities.put(sa.accountType, authorities);
}
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Log.d(TAG, "added authority " + sa.authority + " to accountType "
+ sa.accountType);
}
authorities.add(sa.authority);
}
}
return mAccountTypeToAuthorities.get(type);
}
/**
* Gets the preferences.xml file associated with a particular account type.
* @param accountType the type of account
* @return a PreferenceScreen inflated from accountPreferenceId.
*/
public PreferenceScreen addPreferencesForType(final String accountType,
PreferenceScreen parent) {
PreferenceScreen prefs = null;
if (mAuthenticatorHelper.containsAccountType(accountType)) {
AuthenticatorDescription desc = null;
try {
desc = mAuthenticatorHelper.getAccountTypeDescription(accountType);
if (desc != null && desc.accountPreferencesId != 0) {
Context authContext = getActivity().createPackageContext(desc.packageName, 0);
prefs = getPreferenceManager().inflateFromResource(authContext,
desc.accountPreferencesId, parent);
}
} catch (PackageManager.NameNotFoundException e) {
Log.w(TAG, "Couldn't load preferences.xml file from " + desc.packageName);
} catch (Resources.NotFoundException e) {
Log.w(TAG, "Couldn't load preferences.xml file from " + desc.packageName);
}
}
return prefs;
}
public void updateAuthDescriptions() {
mAuthenticatorHelper.updateAuthDescriptions(getActivity());
onAuthDescriptionsUpdated();
}
protected Drawable getDrawableForType(final String accountType) {
return mAuthenticatorHelper.getDrawableForType(getActivity(), accountType);
}
protected CharSequence getLabelForType(final String accountType) {
return mAuthenticatorHelper.getLabelForType(getActivity(), accountType);
}
protected String formatSyncDate(Date date) {
// TODO: Switch to using DateUtils.formatDateTime
return mDateFormat.format(date) + " " + mTimeFormat.format(date);
}
}