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1 /*
2  * Copyright (C) 2008 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 
17 package com.android.settings.accounts;
18 
19 import android.accounts.Account;
20 import android.accounts.AccountManager;
21 import android.accounts.AccountManagerCallback;
22 import android.accounts.AccountManagerFuture;
23 import android.accounts.AuthenticatorException;
24 import android.accounts.OperationCanceledException;
25 import android.app.Activity;
26 import android.app.AlertDialog;
27 import android.app.Dialog;
28 import android.content.ContentResolver;
29 import android.content.Context;
30 import android.content.DialogInterface;
31 import android.content.SyncAdapterType;
32 import android.content.SyncInfo;
33 import android.content.SyncStatusInfo;
34 import android.content.pm.ProviderInfo;
35 import android.content.pm.UserInfo;
36 import android.os.Binder;
37 import android.os.Bundle;
38 import android.os.UserHandle;
39 import android.os.UserManager;
40 import android.support.v7.preference.Preference;
41 import android.text.TextUtils;
42 import android.util.Log;
43 import android.view.LayoutInflater;
44 import android.view.Menu;
45 import android.view.MenuInflater;
46 import android.view.MenuItem;
47 import android.view.View;
48 import android.view.ViewGroup;
49 import android.widget.ImageView;
50 import android.widget.TextView;
51 
52 import com.google.android.collect.Lists;
53 
54 import com.android.internal.logging.MetricsProto.MetricsEvent;
55 import com.android.settings.R;
56 import com.android.settings.Utils;
57 import com.android.settingslib.RestrictedLockUtils;
58 
59 import java.io.IOException;
60 import java.util.ArrayList;
61 import java.util.Collections;
62 import java.util.Date;
63 import java.util.List;
64 
65 import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
66 
67 public class AccountSyncSettings extends AccountPreferenceBase {
68 
69     public static final String ACCOUNT_KEY = "account";
70     private static final int MENU_SYNC_NOW_ID       = Menu.FIRST;
71     private static final int MENU_SYNC_CANCEL_ID    = Menu.FIRST + 1;
72     private static final int MENU_REMOVE_ACCOUNT_ID = Menu.FIRST + 2;
73     private static final int REALLY_REMOVE_DIALOG = 100;
74     private static final int FAILED_REMOVAL_DIALOG = 101;
75     private static final int CANT_DO_ONETIME_SYNC_DIALOG = 102;
76     private TextView mUserId;
77     private TextView mProviderId;
78     private ImageView mProviderIcon;
79     private TextView mErrorInfoView;
80     private Account mAccount;
81     private ArrayList<SyncStateSwitchPreference> mSwitches =
82                 new ArrayList<SyncStateSwitchPreference>();
83     private ArrayList<SyncAdapterType> mInvisibleAdapters = Lists.newArrayList();
84 
85     @Override
onCreateDialog(final int id)86     public Dialog onCreateDialog(final int id) {
87         Dialog dialog = null;
88         if (id == REALLY_REMOVE_DIALOG) {
89             dialog = new AlertDialog.Builder(getActivity())
90                 .setTitle(R.string.really_remove_account_title)
91                 .setMessage(R.string.really_remove_account_message)
92                 .setNegativeButton(android.R.string.cancel, null)
93                 .setPositiveButton(R.string.remove_account_label,
94                         new DialogInterface.OnClickListener() {
95                     @Override
96                     public void onClick(DialogInterface dialog, int which) {
97                         Activity activity = getActivity();
98                         AccountManager.get(activity)
99                                 .removeAccountAsUser(mAccount, activity,
100                                 new AccountManagerCallback<Bundle>() {
101                             @Override
102                             public void run(AccountManagerFuture<Bundle> future) {
103                                 // If already out of this screen, don't proceed.
104                                 if (!AccountSyncSettings.this.isResumed()) {
105                                     return;
106                                 }
107                                 boolean failed = true;
108                                 try {
109                                     if (future.getResult()
110                                             .getBoolean(AccountManager.KEY_BOOLEAN_RESULT)) {
111                                         failed = false;
112                                     }
113                                 } catch (OperationCanceledException e) {
114                                     // handled below
115                                 } catch (IOException e) {
116                                     // handled below
117                                 } catch (AuthenticatorException e) {
118                                     // handled below
119                                 }
120                                 if (failed && getActivity() != null &&
121                                         !getActivity().isFinishing()) {
122                                     showDialog(FAILED_REMOVAL_DIALOG);
123                                 } else {
124                                     finish();
125                                 }
126                             }
127                         }, null, mUserHandle);
128                     }
129                 })
130                 .create();
131         } else if (id == FAILED_REMOVAL_DIALOG) {
132             dialog = new AlertDialog.Builder(getActivity())
133                 .setTitle(R.string.really_remove_account_title)
134                 .setPositiveButton(android.R.string.ok, null)
135                 .setMessage(R.string.remove_account_failed)
136                 .create();
137         } else if (id == CANT_DO_ONETIME_SYNC_DIALOG) {
138             dialog = new AlertDialog.Builder(getActivity())
139                 .setTitle(R.string.cant_sync_dialog_title)
140                 .setMessage(R.string.cant_sync_dialog_message)
141                 .setPositiveButton(android.R.string.ok, null)
142                 .create();
143         }
144         return dialog;
145     }
146 
147     @Override
getMetricsCategory()148     protected int getMetricsCategory() {
149         return MetricsEvent.ACCOUNTS_ACCOUNT_SYNC;
150     }
151 
152     @Override
onCreate(Bundle icicle)153     public void onCreate(Bundle icicle) {
154         super.onCreate(icicle);
155         setPreferenceScreen(null);
156         addPreferencesFromResource(R.xml.account_sync_settings);
157         getPreferenceScreen().setOrderingAsAdded(false);
158         setAccessibilityTitle();
159 
160         setHasOptionsMenu(true);
161     }
162 
163     @Override
onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)164     public View onCreateView(LayoutInflater inflater, ViewGroup container,
165             Bundle savedInstanceState) {
166         final View view = inflater.inflate(R.layout.account_sync_screen, container, false);
167 
168         final ViewGroup prefs_container = (ViewGroup) view.findViewById(R.id.prefs_container);
169         Utils.prepareCustomPreferencesList(container, view, prefs_container, false);
170         View prefs = super.onCreateView(inflater, prefs_container, savedInstanceState);
171         prefs_container.addView(prefs);
172 
173         initializeUi(view);
174 
175         return view;
176     }
177 
initializeUi(final View rootView)178     protected void initializeUi(final View rootView) {
179         mErrorInfoView = (TextView) rootView.findViewById(R.id.sync_settings_error_info);
180         mErrorInfoView.setVisibility(View.GONE);
181 
182         mUserId = (TextView) rootView.findViewById(R.id.user_id);
183         mProviderId = (TextView) rootView.findViewById(R.id.provider_id);
184         mProviderIcon = (ImageView) rootView.findViewById(R.id.provider_icon);
185     }
186 
187     @Override
onActivityCreated(Bundle savedInstanceState)188     public void onActivityCreated(Bundle savedInstanceState) {
189         super.onActivityCreated(savedInstanceState);
190 
191         Bundle arguments = getArguments();
192         if (arguments == null) {
193             Log.e(TAG, "No arguments provided when starting intent. ACCOUNT_KEY needed.");
194             finish();
195             return;
196         }
197         mAccount = (Account) arguments.getParcelable(ACCOUNT_KEY);
198         if (!accountExists(mAccount)) {
199             Log.e(TAG, "Account provided does not exist: " + mAccount);
200             finish();
201             return;
202         }
203         if (Log.isLoggable(TAG, Log.VERBOSE)) {
204           Log.v(TAG, "Got account: " + mAccount);
205         }
206         mUserId.setText(mAccount.name);
207         mProviderId.setText(mAccount.type);
208     }
209 
setAccessibilityTitle()210     private void setAccessibilityTitle() {
211         final UserManager um = (UserManager) getSystemService(Context.USER_SERVICE);
212         UserInfo user = um.getUserInfo(mUserHandle.getIdentifier());
213         boolean isWorkProfile = user != null ? user.isManagedProfile() : false;
214         CharSequence currentTitle = getActivity().getTitle();
215         String accessibilityTitle =
216                 getString(isWorkProfile
217                         ? R.string.accessibility_work_account_title
218                         : R.string.accessibility_personal_account_title, currentTitle);
219         getActivity().setTitle(Utils.createAccessibleSequence(currentTitle, accessibilityTitle));
220     }
221 
222     @Override
onResume()223     public void onResume() {
224         removePreference("dummy");
225         mAuthenticatorHelper.listenToAccountUpdates();
226         updateAuthDescriptions();
227         onAccountsUpdate(Binder.getCallingUserHandle());
228         super.onResume();
229     }
230 
231     @Override
onPause()232     public void onPause() {
233         super.onPause();
234         mAuthenticatorHelper.stopListeningToAccountUpdates();
235     }
236 
addSyncStateSwitch(Account account, String authority)237     private void addSyncStateSwitch(Account account, String authority) {
238         SyncStateSwitchPreference item = (SyncStateSwitchPreference) getCachedPreference(authority);
239         if (item == null) {
240             item = new SyncStateSwitchPreference(getPrefContext(), account, authority);
241             getPreferenceScreen().addPreference(item);
242         } else {
243             item.setup(account, authority);
244         }
245         item.setPersistent(false);
246         final ProviderInfo providerInfo = getPackageManager().resolveContentProviderAsUser(
247                 authority, 0, mUserHandle.getIdentifier());
248         if (providerInfo == null) {
249             return;
250         }
251         CharSequence providerLabel = providerInfo.loadLabel(getPackageManager());
252         if (TextUtils.isEmpty(providerLabel)) {
253             Log.e(TAG, "Provider needs a label for authority '" + authority + "'");
254             return;
255         }
256         String title = getString(R.string.sync_item_title, providerLabel);
257         item.setTitle(title);
258         item.setKey(authority);
259     }
260 
261     @Override
onCreateOptionsMenu(Menu menu, MenuInflater inflater)262     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
263 
264         MenuItem syncNow = menu.add(0, MENU_SYNC_NOW_ID, 0,
265                 getString(R.string.sync_menu_sync_now))
266                 .setIcon(R.drawable.ic_menu_refresh_holo_dark);
267         MenuItem syncCancel = menu.add(0, MENU_SYNC_CANCEL_ID, 0,
268                 getString(R.string.sync_menu_sync_cancel))
269                 .setIcon(com.android.internal.R.drawable.ic_menu_close_clear_cancel);
270 
271         MenuItem removeAccount = menu.add(0, MENU_REMOVE_ACCOUNT_ID, 0,
272                 getString(R.string.remove_account_label))
273                 .setIcon(R.drawable.ic_menu_delete);
274         removeAccount.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER |
275                 MenuItem.SHOW_AS_ACTION_WITH_TEXT);
276         if (RestrictedLockUtils.hasBaseUserRestriction(getPrefContext(),
277                 UserManager.DISALLOW_MODIFY_ACCOUNTS, mUserHandle.getIdentifier())) {
278             removeAccount.setEnabled(false);
279         } else {
280             EnforcedAdmin admin = RestrictedLockUtils.checkIfRestrictionEnforced(
281                     getPrefContext(), UserManager.DISALLOW_MODIFY_ACCOUNTS,
282                     mUserHandle.getIdentifier());
283             if (admin == null) {
284                 admin = RestrictedLockUtils.checkIfAccountManagementDisabled(
285                         getPrefContext(), mAccount.type, mUserHandle.getIdentifier());
286             }
287             RestrictedLockUtils.setMenuItemAsDisabledByAdmin(getPrefContext(),
288                     removeAccount, admin);
289         }
290 
291         syncNow.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER |
292                 MenuItem.SHOW_AS_ACTION_WITH_TEXT);
293         syncCancel.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER |
294                 MenuItem.SHOW_AS_ACTION_WITH_TEXT);
295 
296         super.onCreateOptionsMenu(menu, inflater);
297     }
298 
299     @Override
onPrepareOptionsMenu(Menu menu)300     public void onPrepareOptionsMenu(Menu menu) {
301         super.onPrepareOptionsMenu(menu);
302         // Note that this also counts accounts that are not currently displayed
303         boolean syncActive = !ContentResolver.getCurrentSyncsAsUser(
304                 mUserHandle.getIdentifier()).isEmpty();
305         menu.findItem(MENU_SYNC_NOW_ID).setVisible(!syncActive);
306         menu.findItem(MENU_SYNC_CANCEL_ID).setVisible(syncActive);
307     }
308 
309     @Override
onOptionsItemSelected(MenuItem item)310     public boolean onOptionsItemSelected(MenuItem item) {
311         switch (item.getItemId()) {
312             case MENU_SYNC_NOW_ID:
313                 startSyncForEnabledProviders();
314                 return true;
315             case MENU_SYNC_CANCEL_ID:
316                 cancelSyncForEnabledProviders();
317                 return true;
318             case MENU_REMOVE_ACCOUNT_ID:
319                 showDialog(REALLY_REMOVE_DIALOG);
320                 return true;
321         }
322         return super.onOptionsItemSelected(item);
323     }
324 
325     @Override
onPreferenceTreeClick(Preference preference)326     public boolean onPreferenceTreeClick(Preference preference) {
327         if (preference instanceof SyncStateSwitchPreference) {
328             SyncStateSwitchPreference syncPref = (SyncStateSwitchPreference) preference;
329             String authority = syncPref.getAuthority();
330             Account account = syncPref.getAccount();
331             final int userId = mUserHandle.getIdentifier();
332             boolean syncAutomatically = ContentResolver.getSyncAutomaticallyAsUser(account,
333                     authority, userId);
334             if (syncPref.isOneTimeSyncMode()) {
335                 requestOrCancelSync(account, authority, true);
336             } else {
337                 boolean syncOn = syncPref.isChecked();
338                 boolean oldSyncState = syncAutomatically;
339                 if (syncOn != oldSyncState) {
340                     // if we're enabling sync, this will request a sync as well
341                     ContentResolver.setSyncAutomaticallyAsUser(account, authority, syncOn, userId);
342                     // if the master sync switch is off, the request above will
343                     // get dropped.  when the user clicks on this toggle,
344                     // we want to force the sync, however.
345                     if (!ContentResolver.getMasterSyncAutomaticallyAsUser(userId) || !syncOn) {
346                         requestOrCancelSync(account, authority, syncOn);
347                     }
348                 }
349             }
350             return true;
351         } else {
352             return super.onPreferenceTreeClick(preference);
353         }
354     }
355 
startSyncForEnabledProviders()356     private void startSyncForEnabledProviders() {
357         requestOrCancelSyncForEnabledProviders(true /* start them */);
358         final Activity activity = getActivity();
359         if (activity != null) {
360             activity.invalidateOptionsMenu();
361         }
362     }
363 
cancelSyncForEnabledProviders()364     private void cancelSyncForEnabledProviders() {
365         requestOrCancelSyncForEnabledProviders(false /* cancel them */);
366         final Activity activity = getActivity();
367         if (activity != null) {
368             activity.invalidateOptionsMenu();
369         }
370     }
371 
requestOrCancelSyncForEnabledProviders(boolean startSync)372     private void requestOrCancelSyncForEnabledProviders(boolean startSync) {
373         // sync everything that the user has enabled
374         int count = getPreferenceScreen().getPreferenceCount();
375         for (int i = 0; i < count; i++) {
376             Preference pref = getPreferenceScreen().getPreference(i);
377             if (! (pref instanceof SyncStateSwitchPreference)) {
378                 continue;
379             }
380             SyncStateSwitchPreference syncPref = (SyncStateSwitchPreference) pref;
381             if (!syncPref.isChecked()) {
382                 continue;
383             }
384             requestOrCancelSync(syncPref.getAccount(), syncPref.getAuthority(), startSync);
385         }
386         // plus whatever the system needs to sync, e.g., invisible sync adapters
387         if (mAccount != null) {
388             for (SyncAdapterType syncAdapter : mInvisibleAdapters) {
389                   requestOrCancelSync(mAccount, syncAdapter.authority, startSync);
390             }
391         }
392     }
393 
requestOrCancelSync(Account account, String authority, boolean flag)394     private void requestOrCancelSync(Account account, String authority, boolean flag) {
395         if (flag) {
396             Bundle extras = new Bundle();
397             extras.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
398             ContentResolver.requestSyncAsUser(account, authority, mUserHandle.getIdentifier(),
399                     extras);
400         } else {
401             ContentResolver.cancelSyncAsUser(account, authority, mUserHandle.getIdentifier());
402         }
403     }
404 
isSyncing(List<SyncInfo> currentSyncs, Account account, String authority)405     private boolean isSyncing(List<SyncInfo> currentSyncs, Account account, String authority) {
406         for (SyncInfo syncInfo : currentSyncs) {
407             if (syncInfo.account.equals(account) && syncInfo.authority.equals(authority)) {
408                 return true;
409             }
410         }
411         return false;
412     }
413 
414     @Override
onSyncStateUpdated()415     protected void onSyncStateUpdated() {
416         if (!isResumed()) return;
417         setFeedsState();
418         final Activity activity = getActivity();
419         if (activity != null) {
420             activity.invalidateOptionsMenu();
421         }
422     }
423 
setFeedsState()424     private void setFeedsState() {
425         // iterate over all the preferences, setting the state properly for each
426         Date date = new Date();
427         final int userId = mUserHandle.getIdentifier();
428         List<SyncInfo> currentSyncs = ContentResolver.getCurrentSyncsAsUser(userId);
429         boolean syncIsFailing = false;
430 
431         // Refresh the sync status switches - some syncs may have become active.
432         updateAccountSwitches();
433 
434         for (int i = 0, count = getPreferenceScreen().getPreferenceCount(); i < count; i++) {
435             Preference pref = getPreferenceScreen().getPreference(i);
436             if (! (pref instanceof SyncStateSwitchPreference)) {
437                 continue;
438             }
439             SyncStateSwitchPreference syncPref = (SyncStateSwitchPreference) pref;
440 
441             String authority = syncPref.getAuthority();
442             Account account = syncPref.getAccount();
443 
444             SyncStatusInfo status = ContentResolver.getSyncStatusAsUser(account, authority, userId);
445             boolean syncEnabled = ContentResolver.getSyncAutomaticallyAsUser(account, authority,
446                     userId);
447             boolean authorityIsPending = status == null ? false : status.pending;
448             boolean initialSync = status == null ? false : status.initialize;
449 
450             boolean activelySyncing = isSyncing(currentSyncs, account, authority);
451             boolean lastSyncFailed = status != null
452                     && status.lastFailureTime != 0
453                     && status.getLastFailureMesgAsInt(0)
454                        != ContentResolver.SYNC_ERROR_SYNC_ALREADY_IN_PROGRESS;
455             if (!syncEnabled) lastSyncFailed = false;
456             if (lastSyncFailed && !activelySyncing && !authorityIsPending) {
457                 syncIsFailing = true;
458             }
459             if (Log.isLoggable(TAG, Log.VERBOSE)) {
460                 Log.d(TAG, "Update sync status: " + account + " " + authority +
461                         " active = " + activelySyncing + " pend =" +  authorityIsPending);
462             }
463 
464             final long successEndTime = (status == null) ? 0 : status.lastSuccessTime;
465             if (!syncEnabled) {
466                 syncPref.setSummary(R.string.sync_disabled);
467             } else if (activelySyncing) {
468                 syncPref.setSummary(R.string.sync_in_progress);
469             } else if (successEndTime != 0) {
470                 date.setTime(successEndTime);
471                 final String timeString = formatSyncDate(date);
472                 syncPref.setSummary(getResources().getString(R.string.last_synced, timeString));
473             } else {
474                 syncPref.setSummary("");
475             }
476             int syncState = ContentResolver.getIsSyncableAsUser(account, authority, userId);
477 
478             syncPref.setActive(activelySyncing && (syncState >= 0) &&
479                     !initialSync);
480             syncPref.setPending(authorityIsPending && (syncState >= 0) &&
481                     !initialSync);
482 
483             syncPref.setFailed(lastSyncFailed);
484             final boolean oneTimeSyncMode = !ContentResolver.getMasterSyncAutomaticallyAsUser(
485                 userId);
486             syncPref.setOneTimeSyncMode(oneTimeSyncMode);
487             syncPref.setChecked(oneTimeSyncMode || syncEnabled);
488         }
489         mErrorInfoView.setVisibility(syncIsFailing ? View.VISIBLE : View.GONE);
490     }
491 
492     @Override
onAccountsUpdate(final UserHandle userHandle)493     public void onAccountsUpdate(final UserHandle userHandle) {
494         super.onAccountsUpdate(userHandle);
495         if (!accountExists(mAccount)) {
496             // The account was deleted
497             finish();
498             return;
499         }
500         updateAccountSwitches();
501         onSyncStateUpdated();
502     }
503 
accountExists(Account account)504     private boolean accountExists(Account account) {
505         if (account == null) return false;
506 
507         Account[] accounts = AccountManager.get(getActivity()).getAccountsByTypeAsUser(
508                 account.type, mUserHandle);
509         final int count = accounts.length;
510         for (int i = 0; i < count; i++) {
511             if (accounts[i].equals(account)) {
512                 return true;
513             }
514         }
515         return false;
516     }
517 
updateAccountSwitches()518     private void updateAccountSwitches() {
519         mInvisibleAdapters.clear();
520 
521         SyncAdapterType[] syncAdapters = ContentResolver.getSyncAdapterTypesAsUser(
522                 mUserHandle.getIdentifier());
523         ArrayList<String> authorities = new ArrayList<String>();
524         for (int i = 0, n = syncAdapters.length; i < n; i++) {
525             final SyncAdapterType sa = syncAdapters[i];
526             // Only keep track of sync adapters for this account
527             if (!sa.accountType.equals(mAccount.type)) continue;
528             if (sa.isUserVisible()) {
529                 if (Log.isLoggable(TAG, Log.VERBOSE)) {
530                     Log.d(TAG, "updateAccountSwitches: added authority " + sa.authority
531                             + " to accountType " + sa.accountType);
532                 }
533                 authorities.add(sa.authority);
534             } else {
535                 // keep track of invisible sync adapters, so sync now forces
536                 // them to sync as well.
537                 mInvisibleAdapters.add(sa);
538             }
539         }
540 
541         if (Log.isLoggable(TAG, Log.VERBOSE)) {
542             Log.d(TAG, "looking for sync adapters that match account " + mAccount);
543         }
544         cacheRemoveAllPrefs(getPreferenceScreen());
545         for (int j = 0, m = authorities.size(); j < m; j++) {
546             final String authority = authorities.get(j);
547             // We could check services here....
548             int syncState = ContentResolver.getIsSyncableAsUser(mAccount, authority,
549                     mUserHandle.getIdentifier());
550             if (Log.isLoggable(TAG, Log.VERBOSE)) {
551                 Log.d(TAG, "  found authority " + authority + " " + syncState);
552             }
553             if (syncState > 0) {
554                 addSyncStateSwitch(mAccount, authority);
555             }
556         }
557         removeCachedPrefs(getPreferenceScreen());
558     }
559 
560     /**
561      * Updates the titlebar with an icon for the provider type.
562      */
563     @Override
onAuthDescriptionsUpdated()564     protected void onAuthDescriptionsUpdated() {
565         super.onAuthDescriptionsUpdated();
566         if (mAccount != null) {
567             mProviderIcon.setImageDrawable(getDrawableForType(mAccount.type));
568             mProviderId.setText(getLabelForType(mAccount.type));
569         }
570     }
571 
572     @Override
getHelpResource()573     protected int getHelpResource() {
574         return R.string.help_url_accounts;
575     }
576 }
577