WebViewProviderAdapter.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.net.Uri;
import android.webkit.WebView;
import androidx.webkit.WebMessageCompat;
import androidx.webkit.WebMessagePortCompat;
import androidx.webkit.WebViewCompat;
import org.chromium.support_lib_boundary.WebViewProviderBoundaryInterface;
import org.chromium.support_lib_boundary.util.BoundaryInterfaceReflectionUtil;
import java.lang.reflect.InvocationHandler;
/**
* Adapter for WebViewProviderBoundaryInterface providing the functionality expected of
* WebViewCompat, this adapter is the support library version of
* {@link android.webkit.WebViewProvider}.
*/
@SuppressWarnings("JavadocReference") // WebViewProvider is hidden.
public class WebViewProviderAdapter {
WebViewProviderBoundaryInterface mImpl;
public WebViewProviderAdapter(WebViewProviderBoundaryInterface impl) {
mImpl = impl;
}
/**
* Adapter method WebViewCompat.insertVisualStateCallback().
*/
public void insertVisualStateCallback(long requestId,
WebViewCompat.VisualStateCallback callback) {
mImpl.insertVisualStateCallback(requestId,
BoundaryInterfaceReflectionUtil.createInvocationHandlerFor(
new VisualStateCallbackAdapter(callback)));
}
/**
* Adapter method for {@link WebViewCompat#createWebMessageChannel(WebView)}.
*/
public WebMessagePortCompat[] createWebMessageChannel() {
InvocationHandler[] invocationHandlers = mImpl.createWebMessageChannel();
WebMessagePortCompat[] messagePorts = new WebMessagePortCompat[invocationHandlers.length];
for (int n = 0; n < invocationHandlers.length; n++) {
messagePorts[n] = new WebMessagePortImpl(invocationHandlers[n]);
}
return messagePorts;
}
/**
* Adapter method for {@link WebViewCompat#postWebMessage(WebView, WebMessageCompat, Uri)}.
*/
public void postWebMessage(WebMessageCompat message, Uri targetOrigin) {
mImpl.postMessageToMainFrame(
BoundaryInterfaceReflectionUtil.createInvocationHandlerFor(
new WebMessageAdapter(message)), targetOrigin);
}
}