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/*
* 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 android.accounts.AuthenticatorDescription;
import android.app.Activity;
import android.content.ContentResolver;
import android.content.Context;
import android.content.SyncStatusObserver;
import android.content.pm.PackageManager;
import android.content.res.Resources;
import android.content.res.Resources.Theme;
import android.content.res.ThemeConfig;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.os.Handler;
import android.os.UserHandle;
import android.os.UserManager;
import android.preference.PreferenceScreen;
import android.text.format.DateFormat;
import android.util.Log;
import android.view.ContextThemeWrapper;
import com.android.settings.SettingsPreferenceFragment;
import com.android.settings.Utils;
import java.util.ArrayList;
import java.util.Date;
abstract class AccountPreferenceBase extends SettingsPreferenceFragment
implements AuthenticatorHelper.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 UserManager mUm;
private Object mStatusChangeListenerHandle;
protected AuthenticatorHelper mAuthenticatorHelper;
protected UserHandle mUserHandle;
private java.text.DateFormat mDateFormat;
private java.text.DateFormat mTimeFormat;
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
mUm = (UserManager) getSystemService(Context.USER_SERVICE);
final Activity activity = getActivity();
mUserHandle = Utils.getSecureTargetUser(activity.getActivityToken(), mUm, getArguments(),
activity.getIntent().getExtras());
mAuthenticatorHelper = new AuthenticatorHelper(activity, mUserHandle, mUm, this);
}
/**
* Overload to handle account updates.
*/
@Override
public void onAccountsUpdate(UserHandle userHandle) {
}
/**
* 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) {
return mAuthenticatorHelper.getAuthoritiesForAccountType(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) {
// Load the context of the target package, then apply the
// base Settings theme (no references to local resources)
// and create a context theme wrapper so that we get the
// correct text colors. Control colors will still be wrong,
// but there's not much we can do about it since we can't
// reference local color resources.
final ThemeConfig themeConfig = getActivity().getResources()
.getConfiguration().themeConfig;
final String themePkgName = themeConfig != null
? themeConfig.getOverlayPkgNameForApp(getActivity().getPackageName())
: null;
final Context targetCtx = getActivity().createPackageContextAsUser(
desc.packageName, themePkgName, 0, mUserHandle);
final Theme baseTheme = getResources().newTheme();
baseTheme.applyStyle(com.android.settings.R.style.Theme_SettingsBase, true);
final Context themedCtx = new ContextThemeWrapper(targetCtx, 0);
themedCtx.getTheme().setTo(baseTheme);
prefs = getPreferenceManager().inflateFromResource(themedCtx,
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);
}
}
|
