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/*
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you 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 org.crosswalk.engine;
import android.content.Context;
import android.view.View;
import org.apache.cordova.CordovaBridge;
import org.apache.cordova.CordovaInterface;
import org.apache.cordova.CordovaPreferences;
import org.apache.cordova.CordovaResourceApi;
import org.apache.cordova.CordovaWebView;
import org.apache.cordova.CordovaWebViewEngine;
import org.apache.cordova.ICordovaCookieManager;
import org.apache.cordova.NativeToJsMessageQueue;
import org.apache.cordova.PluginManager;
import org.xwalk.core.XWalkNavigationHistory;
import org.xwalk.core.XWalkView;
/**
* Glue class between CordovaWebView (main Cordova logic) and XWalkCordovaView (the actual View).
*/
public class XWalkWebViewEngine implements CordovaWebViewEngine {
public static final String TAG = "XWalkWebViewEngine";
protected final XWalkCordovaView webView;
protected XWalkCordovaCookieManager cookieManager;
protected CordovaBridge bridge;
protected CordovaWebViewEngine.Client client;
protected CordovaWebView parentWebView;
protected CordovaInterface cordova;
protected PluginManager pluginManager;
protected CordovaResourceApi resourceApi;
protected NativeToJsMessageQueue nativeToJsMessageQueue;
/** Used when created via reflection. */
public XWalkWebViewEngine(Context context, CordovaPreferences preferences) {
this(new XWalkCordovaView(context, preferences));
}
public XWalkWebViewEngine(XWalkCordovaView webView) {
this.webView = webView;
cookieManager = new XWalkCordovaCookieManager();
}
// Use two-phase init so that the control will work with XML layouts.
@Override
public void init(CordovaWebView parentWebView, CordovaInterface cordova, CordovaWebViewEngine.Client client,
CordovaResourceApi resourceApi, PluginManager pluginManager,
NativeToJsMessageQueue nativeToJsMessageQueue) {
if (this.cordova != null) {
throw new IllegalStateException();
}
this.parentWebView = parentWebView;
this.cordova = cordova;
this.client = client;
this.resourceApi = resourceApi;
this.pluginManager = pluginManager;
this.nativeToJsMessageQueue = nativeToJsMessageQueue;
webView.init(this);
initWebViewSettings();
nativeToJsMessageQueue.addBridgeMode(new NativeToJsMessageQueue.OnlineEventsBridgeMode(new NativeToJsMessageQueue.OnlineEventsBridgeMode.OnlineEventsBridgeModeDelegate() {
@Override
public void setNetworkAvailable(boolean value) {
webView.setNetworkAvailable(value);
}
@Override
public void runOnUiThread(Runnable r) {
XWalkWebViewEngine.this.cordova.getActivity().runOnUiThread(r);
}
}));
bridge = new CordovaBridge(pluginManager, nativeToJsMessageQueue);
exposeJsInterface(webView, bridge);
}
@Override
public CordovaWebView getCordovaWebView() {
return parentWebView;
}
@Override
public View getView() {
return webView;
}
private void initWebViewSettings() {
webView.setVerticalScrollBarEnabled(false);
}
private static void exposeJsInterface(XWalkView webView, CordovaBridge bridge) {
XWalkExposedJsApi exposedJsApi = new XWalkExposedJsApi(bridge);
webView.addJavascriptInterface(exposedJsApi, "_cordovaNative");
}
@Override
public boolean canGoBack() {
return this.webView.getNavigationHistory().canGoBack();
}
@Override
public boolean goBack() {
if (this.webView.getNavigationHistory().canGoBack()) {
this.webView.getNavigationHistory().navigate(XWalkNavigationHistory.Direction.BACKWARD, 1);
return true;
}
return false;
}
@Override
public void setPaused(boolean value) {
if (value) {
// TODO: I think this has been fixed upstream and we don't need to override pauseTimers() anymore.
webView.pauseTimersForReal();
} else {
webView.resumeTimers();
}
}
@Override
public void destroy() {
webView.onDestroy();
}
@Override
public void clearHistory() {
this.webView.getNavigationHistory().clear();
}
@Override
public void stopLoading() {
this.webView.stopLoading();
}
@Override
public void clearCache() {
webView.clearCache(true);
}
@Override
public String getUrl() {
return this.webView.getUrl();
}
@Override
public ICordovaCookieManager getCookieManager() {
return cookieManager;
}
@Override
public void loadUrl(String url, boolean clearNavigationStack) {
webView.load(url, null);
}
}
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