| /* |
| * 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.settingslib.enterprise; |
| |
| import static java.util.Objects.requireNonNull; |
| |
| import android.app.admin.DevicePolicyManager; |
| import android.content.Context; |
| import android.content.pm.PackageManager; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.text.TextUtils; |
| |
| import androidx.annotation.Nullable; |
| |
| import com.android.settingslib.enterprise.ActionDisabledLearnMoreButtonLauncher.ResolveActivityChecker; |
| |
| |
| /** |
| * An {@link ActionDisabledByAdminController} to be used with managed devices. |
| */ |
| final class ManagedDeviceActionDisabledByAdminController |
| extends BaseActionDisabledByAdminController { |
| |
| interface ForegroundUserChecker { |
| boolean isUserForeground(Context context, UserHandle userHandle); |
| } |
| |
| public final static ForegroundUserChecker DEFAULT_FOREGROUND_USER_CHECKER = |
| ManagedDeviceActionDisabledByAdminController::isUserForeground; |
| |
| /** |
| * The {@link UserHandle} which is preferred for launching the web help page in |
| * <p>If not able to launch the web help page in this user, the current user will be used as |
| * fallback instead. If the current user cannot open it either, the admin policies page will |
| * be used instead. |
| */ |
| private final UserHandle mPreferredUserHandle; |
| |
| private final ForegroundUserChecker mForegroundUserChecker; |
| private final ResolveActivityChecker mResolveActivityChecker; |
| |
| /** |
| * Constructs a {@link ManagedDeviceActionDisabledByAdminController} |
| * @param preferredUserHandle - user on which to launch the help web page, if necessary |
| */ |
| ManagedDeviceActionDisabledByAdminController( |
| DeviceAdminStringProvider stringProvider, |
| UserHandle preferredUserHandle, |
| ForegroundUserChecker foregroundUserChecker, |
| ResolveActivityChecker resolveActivityChecker) { |
| super(stringProvider); |
| mPreferredUserHandle = requireNonNull(preferredUserHandle); |
| mForegroundUserChecker = requireNonNull(foregroundUserChecker); |
| mResolveActivityChecker = requireNonNull(resolveActivityChecker); |
| } |
| |
| @Override |
| public void setupLearnMoreButton(Context context) { |
| assertInitialized(); |
| |
| String url = mStringProvider.getLearnMoreHelpPageUrl(); |
| |
| if (!TextUtils.isEmpty(url) |
| && canLaunchHelpPageInPreferredOrCurrentUser(context, url, mPreferredUserHandle)) { |
| setupLearnMoreButtonToLaunchHelpPage(context, url, mPreferredUserHandle); |
| } else { |
| mLauncher.setupLearnMoreButtonToShowAdminPolicies(context, mEnforcementAdminUserId, |
| mEnforcedAdmin); |
| } |
| } |
| |
| private boolean canLaunchHelpPageInPreferredOrCurrentUser( |
| Context context, String url, UserHandle preferredUserHandle) { |
| PackageManager packageManager = context.getPackageManager(); |
| if (mLauncher.canLaunchHelpPage( |
| packageManager, url, preferredUserHandle, mResolveActivityChecker) |
| && mForegroundUserChecker.isUserForeground(context, preferredUserHandle)) { |
| return true; |
| } |
| return mLauncher.canLaunchHelpPage( |
| packageManager, url, context.getUser(), mResolveActivityChecker); |
| } |
| |
| /** |
| * Sets up the "Learn more" button to launch the web help page in the {@code |
| * preferredUserHandle} user. If not possible to launch it there, it sets up the button to |
| * launch it in the current user instead. |
| */ |
| private void setupLearnMoreButtonToLaunchHelpPage( |
| Context context, String url, UserHandle preferredUserHandle) { |
| PackageManager packageManager = context.getPackageManager(); |
| if (mLauncher.canLaunchHelpPage( |
| packageManager, url, preferredUserHandle, mResolveActivityChecker) |
| && mForegroundUserChecker.isUserForeground(context, preferredUserHandle)) { |
| mLauncher.setupLearnMoreButtonToLaunchHelpPage(context, url, preferredUserHandle); |
| } |
| if (mLauncher.canLaunchHelpPage( |
| packageManager, url, context.getUser(), mResolveActivityChecker)) { |
| mLauncher.setupLearnMoreButtonToLaunchHelpPage(context, url, context.getUser()); |
| } |
| } |
| |
| private static boolean isUserForeground(Context context, UserHandle userHandle) { |
| return context.createContextAsUser(userHandle, /* flags= */ 0) |
| .getSystemService(UserManager.class).isUserForeground(); |
| } |
| |
| @Override |
| public String getAdminSupportTitle(@Nullable String restriction) { |
| if (restriction == null) { |
| return mStringProvider.getDefaultDisabledByPolicyTitle(); |
| } |
| switch (restriction) { |
| case UserManager.DISALLOW_ADJUST_VOLUME: |
| return mStringProvider.getDisallowAdjustVolumeTitle(); |
| case UserManager.DISALLOW_OUTGOING_CALLS: |
| return mStringProvider.getDisallowOutgoingCallsTitle(); |
| case UserManager.DISALLOW_SMS: |
| return mStringProvider.getDisallowSmsTitle(); |
| case DevicePolicyManager.POLICY_DISABLE_CAMERA: |
| return mStringProvider.getDisableCameraTitle(); |
| case DevicePolicyManager.POLICY_DISABLE_SCREEN_CAPTURE: |
| return mStringProvider.getDisableScreenCaptureTitle(); |
| case DevicePolicyManager.POLICY_SUSPEND_PACKAGES: |
| return mStringProvider.getSuspendPackagesTitle(); |
| default: |
| return mStringProvider.getDefaultDisabledByPolicyTitle(); |
| } |
| } |
| |
| @Override |
| public CharSequence getAdminSupportContentString(Context context, CharSequence supportMessage) { |
| return supportMessage != null |
| ? supportMessage |
| : mStringProvider.getDefaultDisabledByPolicyContent(); |
| } |
| } |