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/*
* Copyright (C) 2014 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.service.restrictions;
import android.app.admin.DevicePolicyManager;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.RestrictionsManager;
import android.os.IBinder;
import android.os.PersistableBundle;
/**
* Abstract implementation of a Restrictions Provider BroadcastReceiver. To implement a
* Restrictions Provider, extend from this class and implement the abstract methods.
* Export this receiver in the manifest. A profile owner device admin can then register this
* component as a Restrictions Provider using
* {@link DevicePolicyManager#setRestrictionsProvider(ComponentName, ComponentName)}.
* <p>
* The function of a Restrictions Provider is to transport permission requests from apps on this
* device to an administrator (most likely on a remote device or computer) and deliver back
* responses. The response should be sent back to the app via
* {@link RestrictionsManager#notifyPermissionResponse(String, PersistableBundle)}.
*
* @see RestrictionsManager
*/
public abstract class RestrictionsReceiver extends BroadcastReceiver {
private static final String TAG = "RestrictionsReceiver";
/**
* An asynchronous permission request made by an application for an operation that requires
* authorization by a local or remote administrator other than the user. The Restrictions
* Provider should transfer the request to the administrator and deliver back a response, when
* available. The calling application is aware that the response could take an indefinite
* amount of time.
* <p>
* If the request bundle contains the key {@link RestrictionsManager#REQUEST_KEY_NEW_REQUEST},
* then a new request must be sent. Otherwise the provider can look up any previous response
* to the same requestId and return the cached response.
*
* @param packageName the application requesting permission.
* @param requestType the type of request, which determines the content and presentation of
* the request data.
* @param request the request data bundle containing at a minimum a request id.
*
* @see RestrictionsManager#REQUEST_TYPE_APPROVAL
* @see RestrictionsManager#REQUEST_TYPE_LOCAL_APPROVAL
* @see RestrictionsManager#REQUEST_KEY_ID
*/
public abstract void onRequestPermission(Context context,
String packageName, String requestType, String requestId, PersistableBundle request);
/**
* Intercept standard Restrictions Provider broadcasts. Implementations
* should not override this method; it is better to implement the
* convenience callbacks for each action.
*/
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (RestrictionsManager.ACTION_REQUEST_PERMISSION.equals(action)) {
String packageName = intent.getStringExtra(RestrictionsManager.EXTRA_PACKAGE_NAME);
String requestType = intent.getStringExtra(RestrictionsManager.EXTRA_REQUEST_TYPE);
String requestId = intent.getStringExtra(RestrictionsManager.EXTRA_REQUEST_ID);
PersistableBundle request = (PersistableBundle)
intent.getParcelableExtra(RestrictionsManager.EXTRA_REQUEST_BUNDLE);
onRequestPermission(context, packageName, requestType, requestId, request);
}
}
}
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