https://source.android.com/ 
/*
 * Copyright (C) 2012 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 android.webkit;

import android.annotation.NonNull;
import android.annotation.SystemApi;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;

import java.util.List;


This is the main entry-point into the WebView back end implementations, which the WebView
proxy class uses to instantiate all the other objects as needed. The backend must provide an
implementation of this interface, and make it available to the WebView via mechanism TBD.

@hide
/**
 * This is the main entry-point into the WebView back end implementations, which the WebView
 * proxy class uses to instantiate all the other objects as needed. The backend must provide an
 * implementation of this interface, and make it available to the WebView via mechanism TBD.
 * @hide
 */
@SystemApi
public interface WebViewFactoryProvider {
    
This Interface provides glue for implementing the backend of WebView static methods which
cannot be implemented in-situ in the proxy class.

/**
     * This Interface provides glue for implementing the backend of WebView static methods which
     * cannot be implemented in-situ in the proxy class.
     */
    interface Statics {
        
Implements the API method: WebView.findAddress(String) 
/**
         * Implements the API method:
         * {@link android.webkit.WebView#findAddress(String)}
         */
        String findAddress(String addr);

        
Implements the API method: WebSettings.getDefaultUserAgent(Context) 
/**
         * Implements the API method:
         * {@link android.webkit.WebSettings#getDefaultUserAgent(Context) }
         */
        String getDefaultUserAgent(Context context);

        
Used for tests only.

/**
         * Used for tests only.
         */
         void freeMemoryForTests();

        /**
         * Implements the API method:
         * {@link android.webkit.WebView#setWebContentsDebuggingEnabled(boolean) }
         */
        void setWebContentsDebuggingEnabled(boolean enable);

        /**
         * Implements the API method:
         * {@link android.webkit.WebView#clearClientCertPreferences(Runnable) }
         */
        void clearClientCertPreferences(Runnable onCleared);

        
Implements the API method: WebView.setSlowWholeDocumentDrawEnabled(boolean) 
/**
         * Implements the API method:
         * {@link android.webkit.WebView#setSlowWholeDocumentDrawEnabled(boolean) }
         */
        void enableSlowWholeDocumentDraw();

        /**
         * Implement the API method
         * {@link android.webkit.WebChromeClient.FileChooserParams#parseResult(int, Intent)}
         */
        Uri[] parseFileChooserResult(int resultCode, Intent intent);

        
Implement the API method android.webkit.WebView#startSafeBrowsing(Context , ValueCallback<Boolean>) 
/**
         * Implement the API method
         * {@link android.webkit.WebView#startSafeBrowsing(Context , ValueCallback<Boolean>)}
         */
        void initSafeBrowsing(Context context, ValueCallback<Boolean> callback);

        
Implement the API method ValueCallback) 
/**
        * Implement the API method
        * {@link android.webkit.WebView#setSafeBrowsingWhitelist(List<String>,
        * ValueCallback<Boolean>)}
        */
        void setSafeBrowsingWhitelist(List<String> hosts, ValueCallback<Boolean> callback);

        /**
         * Implement the API method
         * {@link android.webkit.WebView#getSafeBrowsingPrivacyPolicyUrl()}
         */
        @NonNull
        Uri getSafeBrowsingPrivacyPolicyUrl();
    }

    Statics getStatics();

    
Construct a new WebViewProvider.

Params:
  • webView – the WebView instance bound to this implementation instance. Note it will not
necessarily be fully constructed at the point of this call: defer real initialization to
WebViewProvider.init().
  • privateAccess – provides access into WebView internal methods.
/**
     * Construct a new WebViewProvider.
     * @param webView the WebView instance bound to this implementation instance. Note it will not
     * necessarily be fully constructed at the point of this call: defer real initialization to
     * WebViewProvider.init().
     * @param privateAccess provides access into WebView internal methods.
     */
    WebViewProvider createWebView(WebView webView, WebView.PrivateAccess privateAccess);

    
Gets the singleton GeolocationPermissions instance for this WebView implementation. The
implementation must return the same instance on subsequent calls.

Returns:the single GeolocationPermissions instance.
/**
     * Gets the singleton GeolocationPermissions instance for this WebView implementation. The
     * implementation must return the same instance on subsequent calls.
     * @return the single GeolocationPermissions instance.
     */
    GeolocationPermissions getGeolocationPermissions();

    
Gets the singleton CookieManager instance for this WebView implementation. The
implementation must return the same instance on subsequent calls.

Returns:the singleton CookieManager instance
/**
     * Gets the singleton CookieManager instance for this WebView implementation. The
     * implementation must return the same instance on subsequent calls.
     *
     * @return the singleton CookieManager instance
     */
    CookieManager getCookieManager();

    
Gets the TokenBindingService instance for this WebView implementation. The
implementation must return the same instance on subsequent calls.

Returns:the TokenBindingService instance
/**
     * Gets the TokenBindingService instance for this WebView implementation. The
     * implementation must return the same instance on subsequent calls.
     *
     * @return the TokenBindingService instance
     */
    TokenBindingService getTokenBindingService();

    
Gets the TracingController instance for this WebView implementation. The
implementation must return the same instance on subsequent calls.

Returns:the TracingController instance
/**
     * Gets the TracingController instance for this WebView implementation. The
     * implementation must return the same instance on subsequent calls.
     *
     * @return the TracingController instance
     */
    TracingController getTracingController();

    
Gets the ServiceWorkerController instance for this WebView implementation. The
implementation must return the same instance on subsequent calls.

Returns:the ServiceWorkerController instance
/**
     * Gets the ServiceWorkerController instance for this WebView implementation. The
     * implementation must return the same instance on subsequent calls.
     *
     * @return the ServiceWorkerController instance
     */
    ServiceWorkerController getServiceWorkerController();

    
Gets the singleton WebIconDatabase instance for this WebView implementation. The
implementation must return the same instance on subsequent calls.

Returns:the singleton WebIconDatabase instance
/**
     * Gets the singleton WebIconDatabase instance for this WebView implementation. The
     * implementation must return the same instance on subsequent calls.
     *
     * @return the singleton WebIconDatabase instance
     */
    WebIconDatabase getWebIconDatabase();

    
Gets the singleton WebStorage instance for this WebView implementation. The
implementation must return the same instance on subsequent calls.

Returns:the singleton WebStorage instance
/**
     * Gets the singleton WebStorage instance for this WebView implementation. The
     * implementation must return the same instance on subsequent calls.
     *
     * @return the singleton WebStorage instance
     */
    WebStorage getWebStorage();

    
Gets the singleton WebViewDatabase instance for this WebView implementation. The
implementation must return the same instance on subsequent calls.

Returns:the singleton WebViewDatabase instance
/**
     * Gets the singleton WebViewDatabase instance for this WebView implementation. The
     * implementation must return the same instance on subsequent calls.
     *
     * @return the singleton WebViewDatabase instance
     */
    WebViewDatabase getWebViewDatabase(Context context);

    
Gets the classloader used to load internal WebView implementation classes. This interface
should only be used by the WebView Support Library.

/**
     * Gets the classloader used to load internal WebView implementation classes. This interface
     * should only be used by the WebView Support Library.
     */
    ClassLoader getWebViewClassLoader();
}