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.annotation.SuppressLint;
import android.net.Uri;
import android.webkit.WebChromeClient;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.webkit.WebMessageCompat;
import androidx.webkit.WebMessagePortCompat;
import androidx.webkit.WebViewCompat;
import androidx.webkit.WebViewRenderProcess;
import androidx.webkit.WebViewRenderProcessClient;
import org.chromium.support_lib_boundary.WebViewProviderBoundaryInterface;
import org.chromium.support_lib_boundary.util.BoundaryInterfaceReflectionUtil;
import java.lang.reflect.InvocationHandler;
import java.util.concurrent.Executor;
/**
* 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(@NonNull WebViewProviderBoundaryInterface impl) {
mImpl = impl;
}
/**
* Adapter method WebViewCompat.insertVisualStateCallback().
*/
public void insertVisualStateCallback(
long requestId, @NonNull WebViewCompat.VisualStateCallback callback) {
mImpl.insertVisualStateCallback(requestId,
BoundaryInterfaceReflectionUtil.createInvocationHandlerFor(
new VisualStateCallbackAdapter(callback)));
}
/**
* Adapter method for {@link WebViewCompat#createWebMessageChannel(WebView)}.
*/
@NonNull
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(@NonNull WebMessageCompat message, @NonNull Uri targetOrigin) {
mImpl.postMessageToMainFrame(
BoundaryInterfaceReflectionUtil.createInvocationHandlerFor(
new WebMessageAdapter(message)), targetOrigin);
}
/**
* Adapter method for {@link WebViewCompat#addWebMessageListener(android.webkit.WebView,
* String, List<String>, androidx.webkit.WebViewCompat.WebMessageListener)}.
*/
public void addWebMessageListener(@NonNull String jsObjectName,
@NonNull String[] allowedOriginRules,
@NonNull WebViewCompat.WebMessageListener listener) {
mImpl.addWebMessageListener(jsObjectName, allowedOriginRules,
BoundaryInterfaceReflectionUtil.createInvocationHandlerFor(
new WebMessageListenerAdapter(listener)));
}
/**
* Adapter method for {@link WebViewCompat#removeWebMessageListener(String)}.
*/
public void removeWebMessageListener(@NonNull String jsObjectName) {
mImpl.removeWebMessageListener(jsObjectName);
}
/**
* Adapter method for {@link WebViewCompat#getWebViewClient()}.
*/
@NonNull
public WebViewClient getWebViewClient() {
return mImpl.getWebViewClient();
}
/**
* Adapter method for {@link WebViewCompat#getWebChromeClient()}.
*/
@Nullable
public WebChromeClient getWebChromeClient() {
return mImpl.getWebChromeClient();
}
/**
* Adapter method for {@link WebViewCompat#getWebViewRenderer()}.
*/
@Nullable
public WebViewRenderProcess getWebViewRenderProcess() {
return WebViewRenderProcessImpl.forInvocationHandler(mImpl.getWebViewRenderer());
}
/**
* Adapter method for {@link WebViewCompat#getWebViewRendererClient()}.
*/
@Nullable
public WebViewRenderProcessClient getWebViewRenderProcessClient() {
InvocationHandler handler = mImpl.getWebViewRendererClient();
if (handler == null) return null;
return ((WebViewRenderProcessClientAdapter)
BoundaryInterfaceReflectionUtil.getDelegateFromInvocationHandler(
handler)).getWebViewRenderProcessClient();
}
/**
* Adapter method for {@link WebViewCompat#setWebViewRendererClient(WebViewRendererClient)}.
*/
// WebViewRenderProcessClient is a callback class, so it should be last. See
// https://issuetracker.google.com/issues/139770271.
@SuppressLint("LambdaLast")
public void setWebViewRenderProcessClient(@Nullable Executor executor,
@Nullable WebViewRenderProcessClient webViewRenderProcessClient) {
InvocationHandler handler = webViewRenderProcessClient != null
? BoundaryInterfaceReflectionUtil.createInvocationHandlerFor(
new WebViewRenderProcessClientAdapter(executor, webViewRenderProcessClient))
: null;
mImpl.setWebViewRendererClient(handler);
}
}