1/*
2 * Copyright (C) 2016 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
17package com.android.settings.accounts;
18
19import static android.content.Intent.EXTRA_USER;
20
21import android.accounts.Account;
22import android.content.ContentResolver;
23import android.content.Context;
24import android.content.SyncAdapterType;
25import android.os.Bundle;
26import android.os.UserHandle;
27import android.support.annotation.VisibleForTesting;
28import android.support.v7.preference.Preference;
29import android.support.v7.preference.PreferenceScreen;
30
31import com.android.internal.logging.nano.MetricsProto;
32import com.android.settings.R;
33import com.android.settings.core.PreferenceControllerMixin;
34import com.android.settings.core.SubSettingLauncher;
35import com.android.settingslib.accounts.AuthenticatorHelper;
36import com.android.settingslib.core.AbstractPreferenceController;
37
38public class AccountSyncPreferenceController extends AbstractPreferenceController
39        implements PreferenceControllerMixin, AuthenticatorHelper.OnAccountsUpdateListener {
40
41    private static final String TAG = "AccountSyncController";
42    private static final String KEY_ACCOUNT_SYNC = "account_sync";
43
44    private Account mAccount;
45    private UserHandle mUserHandle;
46    private Preference mPreference;
47
48    public AccountSyncPreferenceController(Context context) {
49        super(context);
50    }
51
52    @Override
53    public boolean isAvailable() {
54        return true;
55    }
56
57    @Override
58    public boolean handlePreferenceTreeClick(Preference preference) {
59        if (!KEY_ACCOUNT_SYNC.equals(preference.getKey())) {
60            return false;
61        }
62        final Bundle args = new Bundle();
63        args.putParcelable(AccountSyncSettings.ACCOUNT_KEY, mAccount);
64        args.putParcelable(EXTRA_USER, mUserHandle);
65        new SubSettingLauncher(mContext)
66                .setDestination(AccountSyncSettings.class.getName())
67                .setArguments(args)
68                .setSourceMetricsCategory( MetricsProto.MetricsEvent.ACCOUNT)
69                .setTitle( R.string.account_sync_title)
70                .launch();
71
72        return true;
73    }
74
75    @Override
76    public String getPreferenceKey() {
77        return KEY_ACCOUNT_SYNC;
78    }
79
80    @Override
81    public void displayPreference(PreferenceScreen screen) {
82        super.displayPreference(screen);
83        mPreference = screen.findPreference(getPreferenceKey());
84    }
85
86    @Override
87    public void updateState(Preference preference) {
88        updateSummary(preference);
89    }
90
91    @Override
92    public void onAccountsUpdate(UserHandle userHandle) {
93        updateSummary(mPreference);
94    }
95
96    public void init(Account account, UserHandle userHandle) {
97        mAccount = account;
98        mUserHandle = userHandle;
99    }
100
101    @VisibleForTesting
102    void updateSummary(Preference preference) {
103        if (mAccount == null) {
104            return;
105        }
106        final int userId = mUserHandle.getIdentifier();
107        final SyncAdapterType[] syncAdapters = ContentResolver.getSyncAdapterTypesAsUser(userId);
108        int total = 0;
109        int enabled = 0;
110        if (syncAdapters != null) {
111            for (int i = 0, n = syncAdapters.length; i < n; i++) {
112                final SyncAdapterType sa = syncAdapters[i];
113                if (!sa.accountType.equals(mAccount.type) || !sa.isUserVisible()) {
114                    continue;
115                }
116                final int syncState =
117                        ContentResolver.getIsSyncableAsUser(mAccount, sa.authority, userId);
118                if (syncState > 0) {
119                    total++;
120                    final boolean syncEnabled = ContentResolver.getSyncAutomaticallyAsUser(
121                            mAccount, sa.authority, userId);
122                    final boolean oneTimeSyncMode =
123                            !ContentResolver.getMasterSyncAutomaticallyAsUser(userId);
124                    if (oneTimeSyncMode || syncEnabled) {
125                        enabled++;
126                    }
127                }
128            }
129        }
130        if (enabled == 0) {
131            preference.setSummary(R.string.account_sync_summary_all_off);
132        } else if (enabled == total) {
133            preference.setSummary(R.string.account_sync_summary_all_on);
134        } else {
135            preference.setSummary(
136                    mContext.getString(R.string.account_sync_summary_some_on, enabled, total));
137        }
138    }
139}
140