WebMessageCallbackAdapter.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 androidx.annotation.NonNull;
import androidx.webkit.WebMessagePortCompat.WebMessageCallbackCompat;
import org.chromium.support_lib_boundary.WebMessageBoundaryInterface;
import org.chromium.support_lib_boundary.WebMessageCallbackBoundaryInterface;
import org.chromium.support_lib_boundary.util.BoundaryInterfaceReflectionUtil;
import org.chromium.support_lib_boundary.util.Features;
import java.lang.reflect.InvocationHandler;
/**
* Adapter between {@link WebMessageCallbackCompat} and {@link WebMessageCallbackBoundaryInterface}.
*/
public class WebMessageCallbackAdapter implements WebMessageCallbackBoundaryInterface {
WebMessageCallbackCompat mImpl;
public WebMessageCallbackAdapter(@NonNull WebMessageCallbackCompat impl) {
mImpl = impl;
}
@Override
public void onMessage(InvocationHandler port, InvocationHandler message) {
mImpl.onMessage(new WebMessagePortImpl(port),
WebMessageAdapter.webMessageCompatFromBoundaryInterface(
BoundaryInterfaceReflectionUtil.castToSuppLibClass(
WebMessageBoundaryInterface.class, message)));
}
// This method declares which APIs the support library side supports - so that the Chromium-side
// doesn't crash if we remove APIs from the support library side.
@Override
@NonNull
public String[] getSupportedFeatures() {
return new String[] { Features.WEB_MESSAGE_CALLBACK_ON_MESSAGE };
}
}