98 lines
3.2 KiB
Java
98 lines
3.2 KiB
Java
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/*
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* Copyright (C) 2018 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 android.app;
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import android.annotation.Nullable;
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import android.annotation.SystemService;
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import android.content.Context;
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import android.content.pm.ParceledListSlice;
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import android.os.Handler;
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import android.os.IBinder;
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import android.os.RemoteException;
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import android.os.ServiceManager;
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import android.util.Singleton;
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/**
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* Class for managing an app's permission to access a particular {@link android.net.Uri}.
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*
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* @hide
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*/
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@SystemService(Context.URI_GRANTS_SERVICE)
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public class UriGrantsManager {
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private final Context mContext;
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UriGrantsManager(Context context, Handler handler) {
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mContext = context;
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}
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/** @hide */
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public static IUriGrantsManager getService() {
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return IUriGrantsManagerSingleton.get();
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}
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private static final Singleton<IUriGrantsManager> IUriGrantsManagerSingleton =
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new Singleton<IUriGrantsManager>() {
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@Override
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protected IUriGrantsManager create() {
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final IBinder b = ServiceManager.getService(Context.URI_GRANTS_SERVICE);
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return IUriGrantsManager.Stub.asInterface(b);
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}
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};
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/**
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* Permits an application to clear the persistent URI permissions granted to another.
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*
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* <p>Typically called by Settings, requires {@code CLEAR_APP_GRANTED_URI_PERMISSIONS}.
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*
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* @param packageName application to clear its granted permissions
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*
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* @hide
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*/
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public void clearGrantedUriPermissions(String packageName) {
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try {
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getService().clearGrantedUriPermissions(packageName, mContext.getUserId());
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} catch (RemoteException e) {
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throw e.rethrowFromSystemServer();
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}
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}
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/**
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* Permits an application to get the persistent URI permissions granted to another.
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*
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* <p>Typically called by Settings or DocumentsUI, requires
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* {@code GET_APP_GRANTED_URI_PERMISSIONS}.
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*
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* @param packageName application to look for the granted permissions, or {@code null} to get
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* granted permissions for all applications
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* @return list of granted URI permissions
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*
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* @hide
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*/
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public ParceledListSlice<GrantedUriPermission> getGrantedUriPermissions(
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@Nullable String packageName) {
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try {
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@SuppressWarnings("unchecked")
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final ParceledListSlice<GrantedUriPermission> castedList = getService()
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.getGrantedUriPermissions(packageName, mContext.getUserId());
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return castedList;
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} catch (RemoteException e) {
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throw e.rethrowFromSystemServer();
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}
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}
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}
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