ServiceWorkerControllerImpl.java
/*
* Copyright 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 androidx.webkit.internal;
import android.webkit.ServiceWorkerController;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.RequiresApi;
import androidx.webkit.ServiceWorkerClientCompat;
import androidx.webkit.ServiceWorkerControllerCompat;
import androidx.webkit.ServiceWorkerWebSettingsCompat;
import org.chromium.support_lib_boundary.ServiceWorkerControllerBoundaryInterface;
import org.chromium.support_lib_boundary.util.BoundaryInterfaceReflectionUtil;
/**
* Implementation of {@link ServiceWorkerControllerCompat}.
* This class uses either the framework, the WebView APK, or both, to implement
* {@link ServiceWorkerControllerCompat} functionality.
*/
public class ServiceWorkerControllerImpl extends ServiceWorkerControllerCompat {
private ServiceWorkerController mFrameworksImpl;
private ServiceWorkerControllerBoundaryInterface mBoundaryInterface;
private final ServiceWorkerWebSettingsCompat mWebSettings;
public ServiceWorkerControllerImpl() {
final ApiFeature.N feature = WebViewFeatureInternal.SERVICE_WORKER_BASIC_USAGE;
if (feature.isSupportedByFramework()) {
mFrameworksImpl = ApiHelperForN.getServiceWorkerControllerInstance();
// The current WebView APK might not be compatible with the support library, so set the
// boundary interface to null for now.
mBoundaryInterface = null;
mWebSettings = ApiHelperForN.getServiceWorkerWebSettingsImpl(getFrameworksImpl());
} else if (feature.isSupportedByWebView()) {
mFrameworksImpl = null;
mBoundaryInterface = WebViewGlueCommunicator.getFactory().getServiceWorkerController();
mWebSettings = new ServiceWorkerWebSettingsImpl(
mBoundaryInterface.getServiceWorkerWebSettings());
} else {
throw WebViewFeatureInternal.getUnsupportedOperationException();
}
}
@RequiresApi(24)
private ServiceWorkerController getFrameworksImpl() {
if (mFrameworksImpl == null) {
mFrameworksImpl = ApiHelperForN.getServiceWorkerControllerInstance();
}
return mFrameworksImpl;
}
private ServiceWorkerControllerBoundaryInterface getBoundaryInterface() {
if (mBoundaryInterface == null) {
mBoundaryInterface = WebViewGlueCommunicator.getFactory().getServiceWorkerController();
}
return mBoundaryInterface;
}
@NonNull
@Override
public ServiceWorkerWebSettingsCompat getServiceWorkerWebSettings() {
return mWebSettings;
}
@Override
public void setServiceWorkerClient(@Nullable ServiceWorkerClientCompat client) {
final ApiFeature.N feature = WebViewFeatureInternal.SERVICE_WORKER_BASIC_USAGE;
if (feature.isSupportedByFramework()) {
if (client == null) {
ApiHelperForN.setServiceWorkerClient(getFrameworksImpl(), null);
} else {
ApiHelperForN.setServiceWorkerClientCompat(getFrameworksImpl(), client);
}
} else if (feature.isSupportedByWebView()) {
if (client == null) {
getBoundaryInterface().setServiceWorkerClient(null);
} else {
getBoundaryInterface().setServiceWorkerClient(
BoundaryInterfaceReflectionUtil.createInvocationHandlerFor(
new ServiceWorkerClientAdapter(client)));
}
} else {
throw WebViewFeatureInternal.getUnsupportedOperationException();
}
}
}