1 /* 2 * Copyright (C) 2017 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 package com.android.settings.accounts; 17 18 import android.accounts.Account; 19 import android.accounts.AccountManager; 20 import android.accounts.AccountManagerCallback; 21 import android.accounts.AccountManagerFuture; 22 import android.accounts.AuthenticatorException; 23 import android.accounts.OperationCanceledException; 24 import android.app.Activity; 25 import android.app.AlertDialog; 26 import android.app.Dialog; 27 import android.app.Fragment; 28 import android.content.Context; 29 import android.content.DialogInterface; 30 import android.content.Intent; 31 import android.os.Bundle; 32 import android.os.Process; 33 import android.os.UserHandle; 34 import android.support.v7.preference.PreferenceScreen; 35 import android.view.View; 36 import android.view.View.OnClickListener; 37 import android.widget.Button; 38 39 import com.android.internal.logging.nano.MetricsProto; 40 import com.android.settings.R; 41 import com.android.settings.applications.LayoutPreference; 42 import com.android.settings.core.PreferenceController; 43 import com.android.settings.core.instrumentation.InstrumentedDialogFragment; 44 45 import java.io.IOException; 46 47 public class RemoveAccountPreferenceController extends PreferenceController 48 implements OnClickListener { 49 50 private static final String KEY_REMOVE_ACCOUNT = "remove_account"; 51 52 private Account mAccount; 53 private Fragment mParentFragment; 54 private UserHandle mUserHandle; 55 56 public RemoveAccountPreferenceController(Context context, Fragment parent) { 57 super(context); 58 mParentFragment = parent; 59 } 60 61 @Override 62 public void displayPreference(PreferenceScreen screen) { 63 super.displayPreference(screen); 64 final LayoutPreference removeAccountPreference = 65 (LayoutPreference) screen.findPreference(KEY_REMOVE_ACCOUNT); 66 Button removeAccountButton = (Button) removeAccountPreference.findViewById(R.id.button); 67 removeAccountButton.setOnClickListener(this); 68 } 69 70 @Override 71 public boolean isAvailable() { 72 return true; 73 } 74 75 @Override 76 public String getPreferenceKey() { 77 return KEY_REMOVE_ACCOUNT; 78 } 79 80 @Override 81 public void onClick(View v) { 82 ConfirmRemoveAccountDialog.show(mParentFragment, mAccount, mUserHandle); 83 } 84 85 public void init(Account account, UserHandle userHandle) { 86 mAccount = account; 87 mUserHandle = userHandle; 88 } 89 90 /** 91 * Dialog to confirm with user about account removal 92 */ 93 public static class ConfirmRemoveAccountDialog extends InstrumentedDialogFragment implements 94 DialogInterface.OnClickListener { 95 private static final String KEY_ACCOUNT = "account"; 96 private static final String REMOVE_ACCOUNT_DIALOG = "confirmRemoveAccount"; 97 private Account mAccount; 98 private UserHandle mUserHandle; 99 100 public static ConfirmRemoveAccountDialog show( 101 Fragment parent, Account account, UserHandle userHandle) { 102 if (!parent.isAdded()) { 103 return null; 104 } 105 final ConfirmRemoveAccountDialog dialog = new ConfirmRemoveAccountDialog(); 106 Bundle bundle = new Bundle(); 107 bundle.putParcelable(KEY_ACCOUNT, account); 108 bundle.putParcelable(Intent.EXTRA_USER, userHandle); 109 dialog.setArguments(bundle); 110 dialog.setTargetFragment(parent, 0); 111 dialog.show(parent.getFragmentManager(), REMOVE_ACCOUNT_DIALOG); 112 return dialog; 113 } 114 115 @Override 116 public void onCreate(Bundle savedInstanceState) { 117 super.onCreate(savedInstanceState); 118 final Bundle arguments = getArguments(); 119 mAccount = arguments.getParcelable(KEY_ACCOUNT); 120 mUserHandle = arguments.getParcelable(Intent.EXTRA_USER); 121 } 122 123 @Override 124 public Dialog onCreateDialog(Bundle savedInstanceState) { 125 final Context context = getActivity(); 126 return new AlertDialog.Builder(context) 127 .setTitle(R.string.really_remove_account_title) 128 .setMessage(R.string.really_remove_account_message) 129 .setNegativeButton(android.R.string.cancel, null) 130 .setPositiveButton(R.string.remove_account_label, this) 131 .create(); 132 } 133 134 @Override 135 public int getMetricsCategory() { 136 return MetricsProto.MetricsEvent.DIALOG_ACCOUNT_SYNC_REMOVE; 137 } 138 139 @Override 140 public void onClick(DialogInterface dialog, int which) { 141 Activity activity = getTargetFragment().getActivity(); 142 AccountManager.get(activity).removeAccountAsUser(mAccount, activity, 143 new AccountManagerCallback<Bundle>() { 144 @Override 145 public void run(AccountManagerFuture<Bundle> future) { 146 // If already out of this screen, don't proceed. 147 if (!getTargetFragment().isResumed()) { 148 return; 149 } 150 boolean failed = true; 151 try { 152 if (future.getResult() 153 .getBoolean(AccountManager.KEY_BOOLEAN_RESULT)) { 154 failed = false; 155 } 156 } catch (OperationCanceledException e) { 157 // handled below 158 } catch (IOException e) { 159 // handled below 160 } catch (AuthenticatorException e) { 161 // handled below 162 } 163 final Activity activity = getTargetFragment().getActivity(); 164 if (failed && activity != null && !activity.isFinishing()) { 165 RemoveAccountFailureDialog.show(getTargetFragment()); 166 } else { 167 activity.finish(); 168 } 169 } 170 }, null, mUserHandle); 171 } 172 } 173 174 /** 175 * Dialog to tell user about account removal failure 176 */ 177 public static class RemoveAccountFailureDialog extends InstrumentedDialogFragment { 178 179 private static final String FAILED_REMOVAL_DIALOG = "removeAccountFailed"; 180 181 public static void show(Fragment parent) { 182 if (!parent.isAdded()) { 183 return; 184 } 185 final RemoveAccountFailureDialog dialog = new RemoveAccountFailureDialog(); 186 dialog.setTargetFragment(parent, 0); 187 dialog.show(parent.getFragmentManager(), FAILED_REMOVAL_DIALOG); 188 } 189 190 @Override 191 public Dialog onCreateDialog(Bundle savedInstanceState) { 192 final Context context = getActivity(); 193 194 return new AlertDialog.Builder(context) 195 .setTitle(R.string.really_remove_account_title) 196 .setMessage(R.string.remove_account_failed) 197 .setPositiveButton(android.R.string.ok, null) 198 .create(); 199 } 200 201 @Override 202 public int getMetricsCategory() { 203 return MetricsProto.MetricsEvent.DIALOG_ACCOUNT_SYNC_FAILED_REMOVAL; 204 } 205 206 } 207 } 208