| /* |
| * Copyright (C) 2021 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.car.settings.enterprise; |
| |
| import android.annotation.Nullable; |
| import android.app.AppOpsManager; |
| import android.car.drivingstate.CarUxRestrictions; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.graphics.drawable.Drawable; |
| import android.os.Binder; |
| import android.os.IBinder; |
| import android.text.TextUtils; |
| |
| import androidx.preference.TwoStatePreference; |
| |
| import com.android.car.settings.common.FragmentController; |
| import com.android.internal.annotations.VisibleForTesting; |
| |
| /** |
| * Controller for the header preference the device admin details screen. |
| */ |
| public final class DeviceAdminAddHeaderPreferenceController |
| extends BaseDeviceAdminAddPreferenceController<TwoStatePreference> { |
| |
| private AppOpsManager mAppOps; |
| private final IBinder mToken = new Binder(); |
| private @Nullable ActivationListener mActivationListener; |
| |
| public DeviceAdminAddHeaderPreferenceController(Context context, String preferenceKey, |
| FragmentController fragmentController, CarUxRestrictions uxRestrictions) { |
| super(context, preferenceKey, fragmentController, uxRestrictions); |
| |
| mAppOps = context.getSystemService(AppOpsManager.class); |
| } |
| |
| DeviceAdminAddHeaderPreferenceController setActivationListener(ActivationListener listener) { |
| mActivationListener = listener; |
| return this; |
| } |
| |
| @Override |
| protected Class<TwoStatePreference> getPreferenceType() { |
| return TwoStatePreference.class; |
| } |
| |
| @Override |
| protected void onResumeInternal() { |
| super.onResumeInternal(); |
| |
| // Split as a separate method for easier testing. |
| onResumeInternal((TwoStatePreference) getPreference()); |
| } |
| |
| @VisibleForTesting |
| void onResumeInternal(TwoStatePreference preference) { |
| setCurrentStatus(preference); |
| |
| // As long as we are running, don't let anyone overlay stuff on top of the screen. |
| mAppOps.setUserRestriction(AppOpsManager.OP_SYSTEM_ALERT_WINDOW, true, mToken); |
| mAppOps.setUserRestriction(AppOpsManager.OP_TOAST_WINDOW, true, mToken); |
| } |
| |
| @Override |
| protected void onPauseInternal() { |
| super.onPauseInternal(); |
| |
| // Split as a separate method for easier testing. |
| onPauseInternal((TwoStatePreference) getPreference()); |
| } |
| |
| @VisibleForTesting |
| void onPauseInternal(TwoStatePreference preference) { |
| // Disable the toggle button when paused, to prevent tapjacking. |
| preference.setEnabled(false); |
| |
| mAppOps.setUserRestriction(AppOpsManager.OP_SYSTEM_ALERT_WINDOW, false, mToken); |
| mAppOps.setUserRestriction(AppOpsManager.OP_TOAST_WINDOW, false, mToken); |
| } |
| |
| @Override |
| protected void updateState(TwoStatePreference preference) { |
| CharSequence name = mDeviceAdminInfo.loadLabel(mPm); |
| Drawable icon = mDeviceAdminInfo.loadIcon(mPm); |
| CharSequence description = getDescription(mDeviceAdminInfo); |
| |
| mLogger.d("updateState: name=" + name + ", description=" + description); |
| preference.setTitle(name); |
| preference.setIcon(icon); |
| if (!TextUtils.isEmpty(description)) { |
| preference.setSummary(description); |
| } |
| |
| setCurrentStatus(preference); |
| } |
| |
| @Override |
| protected boolean handlePreferenceChanged(TwoStatePreference preference, Object newValue) { |
| boolean activated = (boolean) newValue; |
| ComponentName admin = mDeviceAdminInfo.getComponent(); |
| if (activated) { |
| mLogger.i("Activating " + ComponentName.flattenToShortString(admin)); |
| // TODO(b/192372143): support refreshing |
| mDpm.setActiveAdmin(admin, /* refreshing= */ false); |
| } else { |
| mLogger.i("Deactivating " + ComponentName.flattenToShortString(admin)); |
| mDpm.removeActiveAdmin(admin); |
| } |
| if (mActivationListener != null) { |
| mActivationListener.onChanged(activated); |
| } |
| return true; |
| } |
| |
| /** Sets the checked status and enabled status according to the device admin */ |
| private void setCurrentStatus(TwoStatePreference preference) { |
| ComponentName componentName = mDeviceAdminInfo.getComponent(); |
| preference.setChecked(isActive(componentName)); |
| if (isProfileOrDeviceOwner(componentName)) { |
| // TODO(b/170332519): once work profiles are supported, they could be removed |
| mLogger.d("updateState(): " + ComponentName.flattenToShortString(componentName) |
| + " is PO or DO"); |
| preference.setEnabled(false); |
| } else { |
| preference.setEnabled(true); |
| } |
| } |
| |
| private boolean isActive(ComponentName componentName) { |
| return mDpm.isAdminActive(componentName); |
| } |
| |
| interface ActivationListener { |
| void onChanged(boolean active); |
| } |
| } |