Further refactoring on ActionDisabledByAdminDialog classes. (4e6057e2) · Commits · e / os / android_frameworks_base

packages/SettingsLib/src/com/android/settingslib/enterprise/ActionDisabledByAdminController.java

+10 −4

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@

		package com.android.settingslib.enterprise;

		import android.annotation.UserIdInt;
		import android.content.Context;

		import androidx.annotation.Nullable;
		@@ -27,11 +28,16 @@ import com.android.settingslib.RestrictedLockUtils;
		*/
		public interface ActionDisabledByAdminController {

		/**
		* Sets the {@link ActionDisabledLearnMoreButtonLauncher}.
		*/
		void initialize(ActionDisabledLearnMoreButtonLauncher launcher);

		/**
		* Handles the adding and setting up of the learn more button. If button is not needed, then
		* this method can be left empty.
		*/
		void setupLearnMoreButton(Context context, Object alertDialogBuilder);
		void setupLearnMoreButton(Context context);

		/**
		* Returns the admin support dialog's title resource id.
		@@ -41,11 +47,11 @@ public interface ActionDisabledByAdminController {
		/**
		* Returns the admin support dialog's content string.
		*/
		CharSequence getAdminSupportContentString(
		Context context, @Nullable CharSequence supportMessage);
		CharSequence getAdminSupportContentString(Context context,
		@Nullable CharSequence supportMessage);

		/**
		* Updates the enforced admin
		*/
		void updateEnforcedAdmin(RestrictedLockUtils.EnforcedAdmin admin, int adminUserId);
		void updateEnforcedAdmin(RestrictedLockUtils.EnforcedAdmin admin, @UserIdInt int adminUserId);
		}

packages/SettingsLib/src/com/android/settingslib/enterprise/ActionDisabledByAdminControllerFactory.java

+13 −12

Original line number	Diff line number	Diff line
		@@ -19,29 +19,30 @@ package com.android.settingslib.enterprise;
		import static android.app.admin.DevicePolicyManager.DEVICE_OWNER_TYPE_FINANCED;

		import android.app.admin.DevicePolicyManager;
		import android.content.Context;

		/**
		* A factory that returns the relevant instance of {@link ActionDisabledByAdminController}.
		*/
		public class ActionDisabledByAdminControllerFactory {
		public final class ActionDisabledByAdminControllerFactory {

		/**
		* Returns the relevant instance of {@link ActionDisabledByAdminController}.
		*/
		public static ActionDisabledByAdminController createInstance(
		DevicePolicyManager dpm,
		ActionDisabledLearnMoreButtonLauncher helper,
		DeviceAdminStringProvider deviceAdminStringProvider) {
		if (isFinancedDevice(dpm)) {
		return new FinancedDeviceActionDisabledByAdminController(
		helper, deviceAdminStringProvider);
		}
		return new ManagedDeviceActionDisabledByAdminController(
		helper, deviceAdminStringProvider);
		public static ActionDisabledByAdminController createInstance(Context context,
		DeviceAdminStringProvider stringProvider) {
		return isFinancedDevice(context)
		? new FinancedDeviceActionDisabledByAdminController(stringProvider)
		: new ManagedDeviceActionDisabledByAdminController(stringProvider);
		}

		private static boolean isFinancedDevice(DevicePolicyManager dpm) {
		private static boolean isFinancedDevice(Context context) {
		DevicePolicyManager dpm = context.getSystemService(DevicePolicyManager.class);
		return dpm.isDeviceManaged() && dpm.getDeviceOwnerType(
		dpm.getDeviceOwnerComponentOnAnyUser()) == DEVICE_OWNER_TYPE_FINANCED;
		}

		private ActionDisabledByAdminControllerFactory() {
		throw new UnsupportedOperationException("provides only static methods");
		}
		}

packages/SettingsLib/src/com/android/settingslib/enterprise/ActionDisabledLearnMoreButtonLauncher.java

+83 −12

Original line number	Diff line number	Diff line
		@@ -16,29 +16,100 @@

		package com.android.settingslib.enterprise;

		import static java.util.Objects.requireNonNull;

		import android.content.ComponentName;
		import android.content.Context;
		import android.content.Intent;
		import android.net.Uri;
		import android.os.UserHandle;
		import android.os.UserManager;

		import com.android.settingslib.RestrictedLockUtils;
		import com.android.internal.annotations.VisibleForTesting;
		import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;

		/**
		* Helper interface meant to set up the "Learn more" button in the action disabled dialog.
		* Helper class meant to set up the "Learn more" button in the action disabled dialog.
		*/
		public interface ActionDisabledLearnMoreButtonLauncher {
		public abstract class ActionDisabledLearnMoreButtonLauncher {

		/**
		* Sets up a "learn more" button which shows a screen with device policy settings
		*/
		void setupLearnMoreButtonToShowAdminPolicies(
		Context context,
		Object alertDialogBuilder,
		int enforcementAdminUserId,
		RestrictedLockUtils.EnforcedAdmin enforcedAdmin);
		public final void setupLearnMoreButtonToShowAdminPolicies(Context context,
		int enforcementAdminUserId, EnforcedAdmin enforcedAdmin) {
		requireNonNull(context, "context cannot be null");
		requireNonNull(enforcedAdmin, "enforcedAdmin cannot be null");

		// The "Learn more" button appears only if the restriction is enforced by an admin in the
		// same profile group. Otherwise the admin package and its policies are not accessible to
		// the current user.
		if (isSameProfileGroup(context, enforcementAdminUserId)) {
		setLearnMoreButton(() -> showAdminPolicies(context, enforcedAdmin));
		}
		}

		/**
		* Sets up a "learn more" button which launches a help page
		*/
		void setupLearnMoreButtonToLaunchHelpPage(
		Context context,
		Object alertDialogBuilder,
		String url);
		public final void setupLearnMoreButtonToLaunchHelpPage(Context context, String url) {
		requireNonNull(context, "context cannot be null");
		requireNonNull(url, "url cannot be null");

		setLearnMoreButton(() -> showHelpPage(context, url));
		}

		/**
		* Sets the "learning more" button.
		*
		* @param action action to be run when the button is tapped.
		*/
		public abstract void setLearnMoreButton(Runnable action);

		/**
		* Launches the settings page with info about the given admin.
		*/
		protected abstract void launchShowAdminPolicies(Context context, UserHandle user,
		ComponentName admin);

		/**
		* Launches the settings page that shows all admins.
		*/
		protected abstract void launchShowAdminSettings(Context context);

		/**
		* Callback to finish the activity associated with the launcher.
		*/
		protected void finishSelf() {
		}

		@VisibleForTesting
		protected boolean isSameProfileGroup(Context context, int enforcementAdminUserId) {
		UserManager um = context.getSystemService(UserManager.class);

		return um.isSameProfileGroup(enforcementAdminUserId, um.getUserHandle());
		}

		/**
		* Shows the help page using the given {@code url}.
		*/
		@VisibleForTesting
		public void showHelpPage(Context context, String url) {
		context.startActivityAsUser(createLearnMoreIntent(url), UserHandle.of(context.getUserId()));
		finishSelf();
		}

		private void showAdminPolicies(Context context, EnforcedAdmin enforcedAdmin) {
		if (enforcedAdmin.component != null) {
		launchShowAdminPolicies(context, enforcedAdmin.user, enforcedAdmin.component);
		} else {
		launchShowAdminSettings(context);
		}
		finishSelf();
		}

		private static Intent createLearnMoreIntent(String url) {
		return new Intent(Intent.ACTION_VIEW, Uri.parse(url)).setFlags(
		Intent.FLAG_ACTIVITY_NEW_TASK \| Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
		}
		}

packages/SettingsLib/src/com/android/settingslib/enterprise/BaseActionDisabledByAdminController.java

0 → 100644

+56 −0

Original line number	Diff line number	Diff line
		/*
		* 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.annotation.UserIdInt;

		import com.android.internal.util.Preconditions;
		import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;

		/**
		* Base class for {@link ActionDisabledByAdminController} implementations.
		*/
		abstract class BaseActionDisabledByAdminController
		implements ActionDisabledByAdminController {

		protected @UserIdInt int mEnforcementAdminUserId;
		protected EnforcedAdmin mEnforcedAdmin;
		protected ActionDisabledLearnMoreButtonLauncher mLauncher;
		protected final DeviceAdminStringProvider mStringProvider;

		BaseActionDisabledByAdminController(DeviceAdminStringProvider stringProvider) {
		mStringProvider = stringProvider;
		}

		@Override
		public final void initialize(ActionDisabledLearnMoreButtonLauncher launcher) {
		mLauncher = requireNonNull(launcher, "launcher cannot be null");
		}

		@Override
		public final void updateEnforcedAdmin(EnforcedAdmin admin, int adminUserId) {
		assertInitialized();
		mEnforcementAdminUserId = adminUserId;
		mEnforcedAdmin = requireNonNull(admin, "admin cannot be null");
		}

		protected final void assertInitialized() {
		Preconditions.checkState(mLauncher != null, "must call initialize() first");
		}
		}

packages/SettingsLib/src/com/android/settingslib/enterprise/FinancedDeviceActionDisabledByAdminController.java

+8 −29

Original line number	Diff line number	Diff line
		@@ -16,52 +16,31 @@

		package com.android.settingslib.enterprise;

		import static java.util.Objects.requireNonNull;

		import android.annotation.UserIdInt;
		import android.content.Context;

		import androidx.annotation.Nullable;

		import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;

		/**
		* An {@link ActionDisabledByAdminController} to be used with financed devices.
		*/
		public class FinancedDeviceActionDisabledByAdminController
		implements ActionDisabledByAdminController {

		private @UserIdInt int mEnforcementAdminUserId;
		private EnforcedAdmin mEnforcedAdmin;
		private final ActionDisabledLearnMoreButtonLauncher mHelper;
		private final DeviceAdminStringProvider mDeviceAdminStringProvider;
		final class FinancedDeviceActionDisabledByAdminController
		extends BaseActionDisabledByAdminController {

		FinancedDeviceActionDisabledByAdminController(
		ActionDisabledLearnMoreButtonLauncher helper,
		DeviceAdminStringProvider deviceAdminStringProvider) {
		mHelper = requireNonNull(helper, "helper cannot be null");
		mDeviceAdminStringProvider = requireNonNull(deviceAdminStringProvider,
		"deviceAdminStringProvider cannot be null");
		FinancedDeviceActionDisabledByAdminController(DeviceAdminStringProvider stringProvider) {
		super(stringProvider);
		}

		@Override
		public void updateEnforcedAdmin(EnforcedAdmin admin, int adminUserId) {
		mEnforcementAdminUserId = adminUserId;
		mEnforcedAdmin = requireNonNull(admin, "admin cannot be null");
		}
		public void setupLearnMoreButton(Context context) {
		assertInitialized();

		@Override
		public void setupLearnMoreButton(Context context, Object alertDialogBuilder) {
		mHelper.setupLearnMoreButtonToShowAdminPolicies(
		context,
		alertDialogBuilder,
		mEnforcementAdminUserId,
		mLauncher.setupLearnMoreButtonToShowAdminPolicies(context, mEnforcementAdminUserId,
		mEnforcedAdmin);
		}

		@Override
		public String getAdminSupportTitle(@Nullable String restriction) {
		return mDeviceAdminStringProvider.getDisabledByPolicyTitleForFinancedDevice();
		return mStringProvider.getDisabledByPolicyTitleForFinancedDevice();
		}

		@Override