1 /* 2 * Copyright (C) 2018 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.enterprise; 18 19 import android.app.Activity; 20 import android.app.AlertDialog; 21 import android.app.admin.DevicePolicyManager; 22 import android.content.ComponentName; 23 import android.content.Context; 24 import android.content.Intent; 25 import android.graphics.drawable.Drawable; 26 import android.os.Process; 27 import android.os.UserHandle; 28 import android.os.UserManager; 29 import android.support.annotation.VisibleForTesting; 30 import android.util.IconDrawableFactory; 31 import android.view.LayoutInflater; 32 import android.view.View; 33 import android.view.ViewGroup; 34 import android.widget.ImageView; 35 import android.widget.TextView; 36 37 import com.android.settings.DeviceAdminAdd; 38 import com.android.settings.R; 39 import com.android.settings.Settings; 40 import com.android.settings.Utils; 41 import com.android.settingslib.RestrictedLockUtils; 42 import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin; 43 44 import java.util.Objects; 45 46 /** 47 * Helper class for {@link ActionDisabledByAdminDialog} which sets up the dialog. 48 */ 49 public class ActionDisabledByAdminDialogHelper { 50 51 private static final String TAG = ActionDisabledByAdminDialogHelper.class.getName(); 52 private EnforcedAdmin mEnforcedAdmin; 53 private ViewGroup mDialogView; 54 private String mRestriction = null; 55 private Activity mActivity; 56 ActionDisabledByAdminDialogHelper(Activity activity)57 public ActionDisabledByAdminDialogHelper(Activity activity) { 58 mActivity = activity; 59 } 60 prepareDialogBuilder(String restriction, EnforcedAdmin enforcedAdmin)61 public AlertDialog.Builder prepareDialogBuilder(String restriction, 62 EnforcedAdmin enforcedAdmin) { 63 mEnforcedAdmin = enforcedAdmin; 64 mRestriction = restriction; 65 66 final AlertDialog.Builder builder = new AlertDialog.Builder(mActivity); 67 mDialogView = (ViewGroup) LayoutInflater.from(builder.getContext()).inflate( 68 R.layout.admin_support_details_dialog, null); 69 initializeDialogViews(mDialogView, mEnforcedAdmin.component, mEnforcedAdmin.userId, 70 mRestriction); 71 return builder 72 .setPositiveButton(R.string.okay, null) 73 .setNeutralButton(R.string.learn_more, 74 (dialog, which) -> { 75 showAdminPolicies(mEnforcedAdmin, mActivity); 76 mActivity.finish(); 77 }) 78 .setView(mDialogView); 79 } 80 updateDialog(String restriction, EnforcedAdmin admin)81 public void updateDialog(String restriction, EnforcedAdmin admin) { 82 if (mEnforcedAdmin.equals(admin) && Objects.equals(mRestriction, restriction)) { 83 return; 84 } 85 mEnforcedAdmin = admin; 86 mRestriction = restriction; 87 initializeDialogViews(mDialogView, mEnforcedAdmin.component, mEnforcedAdmin.userId, 88 mRestriction); 89 } 90 initializeDialogViews(View root, ComponentName admin, int userId, String restriction)91 private void initializeDialogViews(View root, ComponentName admin, int userId, 92 String restriction) { 93 if (admin == null) { 94 return; 95 } 96 if (!RestrictedLockUtils.isAdminInCurrentUserOrProfile(mActivity, admin) 97 || !RestrictedLockUtils.isCurrentUserOrProfile(mActivity, userId)) { 98 admin = null; 99 } else { 100 final Drawable badgedIcon = Utils.getBadgedIcon( 101 IconDrawableFactory.newInstance(mActivity), 102 mActivity.getPackageManager(), 103 admin.getPackageName(), 104 userId); 105 ((ImageView) root.findViewById(R.id.admin_support_icon)).setImageDrawable(badgedIcon); 106 } 107 108 setAdminSupportTitle(root, restriction); 109 setAdminSupportDetails(mActivity, root, new EnforcedAdmin(admin, userId)); 110 } 111 112 @VisibleForTesting setAdminSupportTitle(View root, String restriction)113 void setAdminSupportTitle(View root, String restriction) { 114 final TextView titleView = root.findViewById(R.id.admin_support_dialog_title); 115 if (titleView == null) { 116 return; 117 } 118 if (restriction == null) { 119 titleView.setText(R.string.disabled_by_policy_title); 120 return; 121 } 122 switch (restriction) { 123 case UserManager.DISALLOW_ADJUST_VOLUME: 124 titleView.setText(R.string.disabled_by_policy_title_adjust_volume); 125 break; 126 case UserManager.DISALLOW_OUTGOING_CALLS: 127 titleView.setText(R.string.disabled_by_policy_title_outgoing_calls); 128 break; 129 case UserManager.DISALLOW_SMS: 130 titleView.setText(R.string.disabled_by_policy_title_sms); 131 break; 132 case DevicePolicyManager.POLICY_DISABLE_CAMERA: 133 titleView.setText(R.string.disabled_by_policy_title_camera); 134 break; 135 case DevicePolicyManager.POLICY_DISABLE_SCREEN_CAPTURE: 136 titleView.setText(R.string.disabled_by_policy_title_screen_capture); 137 break; 138 case DevicePolicyManager.POLICY_MANDATORY_BACKUPS: 139 titleView.setText(R.string.disabled_by_policy_title_turn_off_backups); 140 break; 141 case DevicePolicyManager.POLICY_SUSPEND_PACKAGES: 142 titleView.setText(R.string.disabled_by_policy_title_suspend_packages); 143 break; 144 default: 145 // Use general text if no specialized title applies 146 titleView.setText(R.string.disabled_by_policy_title); 147 } 148 } 149 150 @VisibleForTesting setAdminSupportDetails(final Activity activity, final View root, final EnforcedAdmin enforcedAdmin)151 void setAdminSupportDetails(final Activity activity, final View root, 152 final EnforcedAdmin enforcedAdmin) { 153 if (enforcedAdmin == null || enforcedAdmin.component == null) { 154 return; 155 } 156 final DevicePolicyManager dpm = (DevicePolicyManager) activity.getSystemService( 157 Context.DEVICE_POLICY_SERVICE); 158 if (!RestrictedLockUtils.isAdminInCurrentUserOrProfile(activity, 159 enforcedAdmin.component) || !RestrictedLockUtils.isCurrentUserOrProfile( 160 activity, enforcedAdmin.userId)) { 161 enforcedAdmin.component = null; 162 } else { 163 if (enforcedAdmin.userId == UserHandle.USER_NULL) { 164 enforcedAdmin.userId = UserHandle.myUserId(); 165 } 166 CharSequence supportMessage = null; 167 if (UserHandle.isSameApp(Process.myUid(), Process.SYSTEM_UID)) { 168 supportMessage = dpm.getShortSupportMessageForUser( 169 enforcedAdmin.component, enforcedAdmin.userId); 170 } 171 if (supportMessage != null) { 172 final TextView textView = root.findViewById(R.id.admin_support_msg); 173 textView.setText(supportMessage); 174 } 175 } 176 } 177 178 @VisibleForTesting showAdminPolicies(final EnforcedAdmin enforcedAdmin, final Activity activity)179 void showAdminPolicies(final EnforcedAdmin enforcedAdmin, final Activity activity) { 180 final Intent intent = new Intent(); 181 if (enforcedAdmin.component != null) { 182 intent.setClass(activity, DeviceAdminAdd.class); 183 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, 184 enforcedAdmin.component); 185 intent.putExtra(DeviceAdminAdd.EXTRA_CALLED_FROM_SUPPORT_DIALOG, true); 186 // DeviceAdminAdd class may need to run as managed profile. 187 activity.startActivityAsUser(intent, 188 new UserHandle(enforcedAdmin.userId)); 189 } else { 190 intent.setClass(activity, Settings.DeviceAdminSettingsActivity.class); 191 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 192 // Activity merges both managed profile and parent users 193 // admins so show as same user as this activity. 194 activity.startActivity(intent); 195 } 196 } 197 } 198