public class

WebMessageListenerAdapter

extends java.lang.Object

implements org.chromium.support_lib_boundary.WebMessageListenerBoundaryInterface

 java.lang.Object

↳androidx.webkit.internal.WebMessageListenerAdapter

Gradle dependencies

compile group: 'androidx.webkit', name: 'webkit', version: '1.5.0-alpha01'

  • groupId: androidx.webkit
  • artifactId: webkit
  • version: 1.5.0-alpha01

Artifact androidx.webkit:webkit:1.5.0-alpha01 it located at Google repository (https://maven.google.com/)

Androidx artifact mapping:

androidx.webkit:webkit com.android.support:webkit

Overview

Adapter between WebViewCompat.VisualStateCallback and VisualStateCallbackBoundaryInterface (the corresponding interface shared with the support library glue in the WebView APK).

Summary

Constructors
publicWebMessageListenerAdapter(WebViewCompat.WebMessageListener webMessageListener)

Methods
public java.lang.StringgetSupportedFeatures()

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.

public voidonPostMessage(WebView view, java.lang.reflect.InvocationHandler message, Uri sourceOrigin, boolean isMainFrame, java.lang.reflect.InvocationHandler replyProxy)

from java.lang.Objectclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructors

public WebMessageListenerAdapter(WebViewCompat.WebMessageListener webMessageListener)

Methods

public void onPostMessage(WebView view, java.lang.reflect.InvocationHandler message, Uri sourceOrigin, boolean isMainFrame, java.lang.reflect.InvocationHandler replyProxy)

public java.lang.String getSupportedFeatures()

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.

Source

/*
 * 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.net.Uri;
import android.webkit.WebView;

import androidx.annotation.NonNull;
import androidx.webkit.JavaScriptReplyProxy;
import androidx.webkit.WebMessageCompat;
import androidx.webkit.WebViewCompat;

import org.chromium.support_lib_boundary.WebMessageBoundaryInterface;
import org.chromium.support_lib_boundary.WebMessageListenerBoundaryInterface;
import org.chromium.support_lib_boundary.util.BoundaryInterfaceReflectionUtil;
import org.chromium.support_lib_boundary.util.Features;

import java.lang.reflect.InvocationHandler;

/**
 * Adapter between WebViewCompat.VisualStateCallback and VisualStateCallbackBoundaryInterface (the
 * corresponding interface shared with the support library glue in the WebView APK).
 */
public class WebMessageListenerAdapter implements WebMessageListenerBoundaryInterface {
    private WebViewCompat.WebMessageListener mWebMessageListener;

    public WebMessageListenerAdapter(@NonNull WebViewCompat.WebMessageListener webMessageListener) {
        mWebMessageListener = webMessageListener;
    }

    @Override
    public void onPostMessage(@NonNull WebView view,
            @NonNull /* WebMessage */ InvocationHandler message, @NonNull Uri sourceOrigin,
            boolean isMainFrame, @NonNull /* JavaScriptReplyProxy */ InvocationHandler replyProxy) {
        WebMessageCompat webMessage = WebMessageAdapter.webMessageCompatFromBoundaryInterface(
                BoundaryInterfaceReflectionUtil.castToSuppLibClass(
                        WebMessageBoundaryInterface.class, message));
        JavaScriptReplyProxy jsReplyProxy =
                JavaScriptReplyProxyImpl.forInvocationHandler(replyProxy);
        mWebMessageListener.onPostMessage(
                view, webMessage, sourceOrigin, isMainFrame, jsReplyProxy);
    }

    /**
     * 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
    public @NonNull String[] getSupportedFeatures() {
        return new String[] {Features.WEB_MESSAGE_LISTENER};
    }
}