86 lines
3.3 KiB
Java
86 lines
3.3 KiB
Java
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/*
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* Copyright (C) 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.safetycenter;
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import static android.os.Build.VERSION_CODES.TIRAMISU;
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import static java.util.Objects.requireNonNull;
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import android.annotation.StringRes;
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import android.app.admin.DevicePolicyManager;
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import android.app.admin.DevicePolicyResourcesManager;
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import android.content.Context;
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import android.os.Binder;
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import androidx.annotation.RequiresApi;
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import com.android.safetycenter.resources.SafetyCenterResourcesContext;
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import java.util.function.Supplier;
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/** A class that handles dynamically updating enterprise-related resources. */
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@RequiresApi(TIRAMISU)
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final class DevicePolicyResources {
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private static final String SAFETY_CENTER_PREFIX = "SafetyCenter.";
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private static final String WORK_PROFILE_PAUSED_TITLE = "WORK_PROFILE_PAUSED";
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private DevicePolicyResources() {}
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/**
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* Returns the updated string for the given {@code safetySourceId} by calling {@link
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* DevicePolicyResourcesManager#getString}.
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*/
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static String getSafetySourceWorkString(
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SafetyCenterResourcesContext safetyCenterResourcesContext,
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String safetySourceId,
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@StringRes int workResId) {
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return getEnterpriseString(
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safetyCenterResourcesContext,
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safetySourceId,
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() -> safetyCenterResourcesContext.getString(workResId));
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}
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/**
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* Returns the updated string for the {@code work_profile_paused} string by calling {@link
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* DevicePolicyResourcesManager#getString}.
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*/
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static String getWorkProfilePausedString(
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SafetyCenterResourcesContext safetyCenterResourcesContext) {
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return getEnterpriseString(
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safetyCenterResourcesContext,
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WORK_PROFILE_PAUSED_TITLE,
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() -> safetyCenterResourcesContext.getStringByName("work_profile_paused"));
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}
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private static String getEnterpriseString(
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Context context, String devicePolicyIdentifier, Supplier<String> defaultValueLoader) {
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// This call requires the caller’s identity to match the package name of the given context.
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// However, the SafetyCenterResourcesContext’s has package name "android", which does not
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// necessarily match the caller’s package when making Binder calls, so the calling identity
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// has to be cleared.
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final long callingId = Binder.clearCallingIdentity();
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try {
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return requireNonNull(context.getSystemService(DevicePolicyManager.class))
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.getResources()
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.getString(SAFETY_CENTER_PREFIX + devicePolicyIdentifier, defaultValueLoader);
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} finally {
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Binder.restoreCallingIdentity(callingId);
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}
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}
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}
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