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/*******************************************************************************
* Copyright (C) 2014 Google Inc.
* Licensed to 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.mail.ui.settings;
import android.app.Fragment;
import android.app.LoaderManager.LoaderCallbacks;
import android.content.CursorLoader;
import android.content.Loader;
import android.database.Cursor;
import android.os.Bundle;
import android.text.TextUtils;
import com.android.mail.R;
import com.android.mail.providers.Account;
import com.android.mail.providers.MailAppProvider;
import com.android.mail.providers.UIProvider;
import com.android.mail.providers.UIProvider.AccountCapabilities;
import com.google.common.annotations.VisibleForTesting;
import java.lang.ref.WeakReference;
import java.util.List;
public class MailPreferenceActivity extends BasePreferenceActivity {
public static final String PREFERENCE_FRAGMENT_ID = "preference_fragment_id";
private static final int ACCOUNT_LOADER_ID = 0;
private WeakReference<GeneralPrefsFragment> mGeneralPrefsFragmentRef;
private Cursor mAccountsCursor;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getLoaderManager().initLoader(ACCOUNT_LOADER_ID, null, new AccountLoaderCallbacks());
}
private class AccountLoaderCallbacks implements LoaderCallbacks<Cursor> {
@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
return new CursorLoader(MailPreferenceActivity.this,
MailAppProvider.getAccountsUri(), UIProvider.ACCOUNTS_PROJECTION,
null, null, null);
}
@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
mAccountsCursor = data;
invalidateHeaders();
}
@Override
public void onLoaderReset(Loader<Cursor> loader) {
mAccountsCursor = null;
invalidateHeaders();
}
}
@VisibleForTesting
GeneralPrefsFragment getGeneralPrefsFragment() {
return mGeneralPrefsFragmentRef != null ? mGeneralPrefsFragmentRef.get() : null;
}
@Override
public void onAttachFragment(Fragment fragment) {
super.onAttachFragment(fragment);
if (fragment instanceof GeneralPrefsFragment) {
mGeneralPrefsFragmentRef =
new WeakReference<GeneralPrefsFragment>((GeneralPrefsFragment) fragment);
}
}
@Override
protected boolean isValidFragment(String fragmentName) {
// TODO: STOPSHIP fix Email to use the PublicPreferenceActivity trampoline
return true;
}
@Override
public void onBuildHeaders(List<Header> target) {
loadHeadersFromResource(R.xml.preference_headers, target);
if (mAccountsCursor != null && mAccountsCursor.moveToFirst()) {
do {
final Account account = Account.builder().buildFrom(mAccountsCursor);
// TODO: This will no longer be needed when the Combined view is moved to Unified
if (!account.supportsCapability(AccountCapabilities.VIRTUAL_ACCOUNT)) {
final Header header = new Header();
if (TextUtils.isEmpty(account.getDisplayName()) ||
TextUtils.equals(account.getDisplayName(), account.getEmailAddress())) {
// No (useful) display name, just use the email address
header.title = account.getEmailAddress();
} else {
header.title = account.getDisplayName();
header.summary = account.getEmailAddress();
}
header.fragment = account.settingsFragmentClass;
final Bundle accountBundle = new Bundle(1);
accountBundle.putString(MailAccountPrefsFragment.ARG_ACCOUNT_EMAIL,
account.getEmailAddress());
header.fragmentArguments = accountBundle;
target.add(header);
}
} while (mAccountsCursor.moveToNext());
}
onBuildExtraHeaders(target);
}
/**
* Override this in a subclass to add extra headers besides "General Settings" and accounts
* @param target List of headers to mutate
*/
public void onBuildExtraHeaders(List<Header> target) {
}
@Override
public void switchToHeader(String fragmentName, Bundle args) {
super.switchToHeader(fragmentName, args);
if (args != null && args.containsKey(MailAccountPrefsFragment.ARG_ACCOUNT_EMAIL)) {
showBreadCrumbs(args.getString(MailAccountPrefsFragment.ARG_ACCOUNT_EMAIL), null);
}
}
}
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