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