ScriptHandlerImpl.java
/*
* Copyright 2020 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 androidx.annotation.NonNull;
import androidx.webkit.ScriptHandler;
import org.chromium.support_lib_boundary.ScriptHandlerBoundaryInterface;
import org.chromium.support_lib_boundary.util.BoundaryInterfaceReflectionUtil;
import java.lang.reflect.InvocationHandler;
/**
* Internal implementation of {@link androidx.webkit.ScriptHandler}.
*/
public class ScriptHandlerImpl extends ScriptHandler {
private ScriptHandlerBoundaryInterface mBoundaryInterface;
private ScriptHandlerImpl(@NonNull ScriptHandlerBoundaryInterface boundaryInterface) {
mBoundaryInterface = boundaryInterface;
}
/**
* Create an AndroidX ScriptHandler from the given InvocationHandler.
*/
public static @NonNull ScriptHandlerImpl toScriptHandler(
@NonNull /* ScriptHandler */ InvocationHandler invocationHandler) {
final ScriptHandlerBoundaryInterface boundaryInterface =
BoundaryInterfaceReflectionUtil.castToSuppLibClass(
ScriptHandlerBoundaryInterface.class, invocationHandler);
return new ScriptHandlerImpl(boundaryInterface);
}
/**
* Removes the corresponding script from WebView.
*/
@Override
public void remove() {
// If this method is called, the feature must exist, so no need to check feature
// DOCUMENT_START_JAVASCRIPT.
mBoundaryInterface.remove();
}
}