WebViewRenderProcessClientAdapter.java
/*
* Copyright 2019 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.webkit.WebView;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.webkit.WebViewRenderProcess;
import androidx.webkit.WebViewRenderProcessClient;
import org.chromium.support_lib_boundary.WebViewRendererClientBoundaryInterface;
import org.chromium.support_lib_boundary.util.Features;
import java.lang.reflect.InvocationHandler;
import java.util.concurrent.Executor;
/**
* Adapter class to pass a {@link WebViewRenderProcessClient} over to chromium.
*/
public class WebViewRenderProcessClientAdapter implements WebViewRendererClientBoundaryInterface {
private static final String[] sSupportedFeatures = new String[] {
Features.WEB_VIEW_RENDERER_CLIENT_BASIC_USAGE,
};
private final Executor mExecutor;
private final WebViewRenderProcessClient mWebViewRenderProcessClient;
// WebViewRenderProcessClient is a callback class, so it should be last. See
// https://issuetracker.google.com/issues/139770271.
@SuppressLint("LambdaLast")
public WebViewRenderProcessClientAdapter(
@Nullable Executor executor,
@Nullable WebViewRenderProcessClient webViewRenderProcessClient) {
mExecutor = executor;
mWebViewRenderProcessClient = webViewRenderProcessClient;
}
@Nullable
public WebViewRenderProcessClient getWebViewRenderProcessClient() {
return mWebViewRenderProcessClient;
}
/**
* Returns the list of features this client supports. This feature list should always be a
* subset of the Features declared in WebViewFeature.
*/
@Override
@NonNull
public final String[] getSupportedFeatures() {
return sSupportedFeatures;
}
/**
* Invoked by chromium with arguments that need to be wrapped by support library adapter
* objects.
*/
@Override
public final void onRendererUnresponsive(
@NonNull final WebView view,
@NonNull /* WebViewRenderer */ final InvocationHandler renderer) {
final WebViewRenderProcess rendererObject =
WebViewRenderProcessImpl.forInvocationHandler(renderer);
final WebViewRenderProcessClient client = mWebViewRenderProcessClient;
if (mExecutor == null) {
client.onRenderProcessUnresponsive(view, rendererObject);
} else {
mExecutor.execute(new Runnable() {
@Override
public void run() {
client.onRenderProcessUnresponsive(view, rendererObject);
}
});
}
}
/**
* Invoked by chromium with arguments that need to be wrapped by support library adapter
* objects.
*/
@Override
public final void onRendererResponsive(
@NonNull final WebView view,
@NonNull /* WebViewRenderer */ InvocationHandler renderer) {
final WebViewRenderProcess rendererObject =
WebViewRenderProcessImpl.forInvocationHandler(renderer);
final WebViewRenderProcessClient client = mWebViewRenderProcessClient;
if (mExecutor == null) {
client.onRenderProcessResponsive(view, rendererObject);
} else {
mExecutor.execute(new Runnable() {
@Override
public void run() {
client.onRenderProcessResponsive(view, rendererObject);
}
});
}
}
}