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dcs-sdk-java-master/app/src/main/java/com/baidu/duer/dcs/androidsystemimpl/webview/BaseWebView.java@45:2aa9f933c8d2, 2017-07-18 (annotated)

Committer:
TMBOY
Date:
Tue Jul 18 16:34:48 2017 +0800
Revision:
45:2aa9f933c8d2
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Who changed what in which revision?

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TMBOY 45:2aa9f933c8d2 1 /*
TMBOY 45:2aa9f933c8d2 2 * Copyright (c) 2017 Baidu, Inc. All Rights Reserved.
TMBOY 45:2aa9f933c8d2 3 *
TMBOY 45:2aa9f933c8d2 4 * Licensed under the Apache License, Version 2.0 (the "License");
TMBOY 45:2aa9f933c8d2 5 * you may not use this file except in compliance with the License.
TMBOY 45:2aa9f933c8d2 6 * You may obtain a copy of the License at
TMBOY 45:2aa9f933c8d2 7 *
TMBOY 45:2aa9f933c8d2 8 * http://www.apache.org/licenses/LICENSE-2.0
TMBOY 45:2aa9f933c8d2 9 *
TMBOY 45:2aa9f933c8d2 10 * Unless required by applicable law or agreed to in writing, software
TMBOY 45:2aa9f933c8d2 11 * distributed under the License is distributed on an "AS IS" BASIS,
TMBOY 45:2aa9f933c8d2 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
TMBOY 45:2aa9f933c8d2 13 * See the License for the specific language governing permissions and
TMBOY 45:2aa9f933c8d2 14 * limitations under the License.
TMBOY 45:2aa9f933c8d2 15 */
TMBOY 45:2aa9f933c8d2 16 package com.baidu.duer.dcs.androidsystemimpl.webview;
TMBOY 45:2aa9f933c8d2 17
TMBOY 45:2aa9f933c8d2 18 import android.annotation.SuppressLint;
TMBOY 45:2aa9f933c8d2 19 import android.content.Context;
TMBOY 45:2aa9f933c8d2 20 import android.graphics.Bitmap;
TMBOY 45:2aa9f933c8d2 21 import android.net.http.SslError;
TMBOY 45:2aa9f933c8d2 22 import android.os.Build;
TMBOY 45:2aa9f933c8d2 23 import android.util.AttributeSet;
TMBOY 45:2aa9f933c8d2 24 import android.webkit.CookieManager;
TMBOY 45:2aa9f933c8d2 25 import android.webkit.CookieSyncManager;
TMBOY 45:2aa9f933c8d2 26 import android.webkit.DownloadListener;
TMBOY 45:2aa9f933c8d2 27 import android.webkit.SslErrorHandler;
TMBOY 45:2aa9f933c8d2 28 import android.webkit.WebSettings;
TMBOY 45:2aa9f933c8d2 29 import android.webkit.WebSettings.PluginState;
TMBOY 45:2aa9f933c8d2 30 import android.webkit.WebView;
TMBOY 45:2aa9f933c8d2 31 import android.webkit.WebViewClient;
TMBOY 45:2aa9f933c8d2 32
TMBOY 45:2aa9f933c8d2 33 import com.baidu.duer.dcs.systeminterface.IWebView;
TMBOY 45:2aa9f933c8d2 34
TMBOY 45:2aa9f933c8d2 35 import java.io.UnsupportedEncodingException;
TMBOY 45:2aa9f933c8d2 36 import java.net.URLDecoder;
TMBOY 45:2aa9f933c8d2 37 import java.util.ArrayList;
TMBOY 45:2aa9f933c8d2 38 import java.util.Collections;
TMBOY 45:2aa9f933c8d2 39 import java.util.List;
TMBOY 45:2aa9f933c8d2 40
TMBOY 45:2aa9f933c8d2 41 /**
TMBOY 45:2aa9f933c8d2 42 * common webView
TMBOY 45:2aa9f933c8d2 43 * <p>
TMBOY 45:2aa9f933c8d2 44 * Created by zhangyan42@baidu.com on 2017/5/19.
TMBOY 45:2aa9f933c8d2 45 */
TMBOY 45:2aa9f933c8d2 46 @SuppressLint("SetJavaScriptEnabled")
TMBOY 45:2aa9f933c8d2 47 public class BaseWebView extends WebView implements IWebView {
TMBOY 45:2aa9f933c8d2 48 private final List<IWebViewListener> webViewListeners =
TMBOY 45:2aa9f933c8d2 49 Collections.synchronizedList(new ArrayList<IWebViewListener>());
TMBOY 45:2aa9f933c8d2 50
TMBOY 45:2aa9f933c8d2 51 public BaseWebView(Context context, AttributeSet attrs) {
TMBOY 45:2aa9f933c8d2 52 super(context, attrs);
TMBOY 45:2aa9f933c8d2 53 init(context);
TMBOY 45:2aa9f933c8d2 54 }
TMBOY 45:2aa9f933c8d2 55
TMBOY 45:2aa9f933c8d2 56 public BaseWebView(Context context, AttributeSet attrs, int defStyle) {
TMBOY 45:2aa9f933c8d2 57 super(context, attrs, defStyle);
TMBOY 45:2aa9f933c8d2 58 init(context);
TMBOY 45:2aa9f933c8d2 59 }
TMBOY 45:2aa9f933c8d2 60
TMBOY 45:2aa9f933c8d2 61 public BaseWebView(Context context) {
TMBOY 45:2aa9f933c8d2 62 super(context);
TMBOY 45:2aa9f933c8d2 63 init(context);
TMBOY 45:2aa9f933c8d2 64 }
TMBOY 45:2aa9f933c8d2 65
TMBOY 45:2aa9f933c8d2 66 @SuppressWarnings("deprecation")
TMBOY 45:2aa9f933c8d2 67 @SuppressLint("NewApi")
TMBOY 45:2aa9f933c8d2 68 private void init(Context context) {
TMBOY 45:2aa9f933c8d2 69 this.setVerticalScrollBarEnabled(false);
TMBOY 45:2aa9f933c8d2 70 this.setHorizontalScrollBarEnabled(false);
TMBOY 45:2aa9f933c8d2 71 if (Build.VERSION.SDK_INT < 19) {
TMBOY 45:2aa9f933c8d2 72 removeJavascriptInterface("searchBoxJavaBridge_");
TMBOY 45:2aa9f933c8d2 73 }
TMBOY 45:2aa9f933c8d2 74
TMBOY 45:2aa9f933c8d2 75 WebSettings localWebSettings = this.getSettings();
TMBOY 45:2aa9f933c8d2 76 try {
TMBOY 45:2aa9f933c8d2 77 // 禁用file协议,http://www.tuicool.com/articles/Q36ZfuF, 防止Android WebView File域攻击
TMBOY 45:2aa9f933c8d2 78 localWebSettings.setAllowFileAccess(false);
TMBOY 45:2aa9f933c8d2 79 localWebSettings.setSupportZoom(false);
TMBOY 45:2aa9f933c8d2 80 localWebSettings.setBuiltInZoomControls(false);
TMBOY 45:2aa9f933c8d2 81 localWebSettings.setUseWideViewPort(true);
TMBOY 45:2aa9f933c8d2 82 localWebSettings.setDomStorageEnabled(true);
TMBOY 45:2aa9f933c8d2 83 localWebSettings.setLoadWithOverviewMode(true);
TMBOY 45:2aa9f933c8d2 84 localWebSettings.setCacheMode(WebSettings.LOAD_NO_CACHE);
TMBOY 45:2aa9f933c8d2 85 localWebSettings.setPluginState(PluginState.ON);
TMBOY 45:2aa9f933c8d2 86 // 启用数据库
TMBOY 45:2aa9f933c8d2 87 localWebSettings.setDatabaseEnabled(true);
TMBOY 45:2aa9f933c8d2 88 // 设置定位的数据库路径
TMBOY 45:2aa9f933c8d2 89 String dir = context.getApplicationContext().getDir("database", Context.MODE_PRIVATE).getPath();
TMBOY 45:2aa9f933c8d2 90 localWebSettings.setGeolocationDatabasePath(dir);
TMBOY 45:2aa9f933c8d2 91 localWebSettings.setGeolocationEnabled(true);
TMBOY 45:2aa9f933c8d2 92 localWebSettings.setJavaScriptEnabled(true);
TMBOY 45:2aa9f933c8d2 93 localWebSettings.setSavePassword(false);
TMBOY 45:2aa9f933c8d2 94 String agent = localWebSettings.getUserAgentString();
TMBOY 45:2aa9f933c8d2 95
TMBOY 45:2aa9f933c8d2 96 localWebSettings.setUserAgentString(agent);
TMBOY 45:2aa9f933c8d2 97 // setCookie(context, ".baidu.com", bdussCookie);
TMBOY 45:2aa9f933c8d2 98
TMBOY 45:2aa9f933c8d2 99 } catch (Exception e1) {
TMBOY 45:2aa9f933c8d2 100 e1.printStackTrace();
TMBOY 45:2aa9f933c8d2 101 }
TMBOY 45:2aa9f933c8d2 102 this.setWebViewClient(new BridgeWebViewClient());
TMBOY 45:2aa9f933c8d2 103 }
TMBOY 45:2aa9f933c8d2 104
TMBOY 45:2aa9f933c8d2 105 private void setCookie(Context context, String domain, String sessionCookie) {
TMBOY 45:2aa9f933c8d2 106 CookieSyncManager.createInstance(context);
TMBOY 45:2aa9f933c8d2 107 CookieManager cookieManager = CookieManager.getInstance();
TMBOY 45:2aa9f933c8d2 108 cookieManager.setAcceptCookie(true);
TMBOY 45:2aa9f933c8d2 109 if (sessionCookie != null) {
TMBOY 45:2aa9f933c8d2 110 // delete old cookies
TMBOY 45:2aa9f933c8d2 111 cookieManager.removeSessionCookie();
TMBOY 45:2aa9f933c8d2 112 }
TMBOY 45:2aa9f933c8d2 113 try {
TMBOY 45:2aa9f933c8d2 114 Thread.sleep(200);
TMBOY 45:2aa9f933c8d2 115 } catch (InterruptedException e) {
TMBOY 45:2aa9f933c8d2 116 e.printStackTrace();
TMBOY 45:2aa9f933c8d2 117 }
TMBOY 45:2aa9f933c8d2 118 cookieManager.setCookie(domain, sessionCookie);
TMBOY 45:2aa9f933c8d2 119
TMBOY 45:2aa9f933c8d2 120 CookieSyncManager.createInstance(context);
TMBOY 45:2aa9f933c8d2 121 CookieSyncManager.getInstance().sync();
TMBOY 45:2aa9f933c8d2 122 }
TMBOY 45:2aa9f933c8d2 123
TMBOY 45:2aa9f933c8d2 124 public void setDownloadListener(DownloadListener listener) {
TMBOY 45:2aa9f933c8d2 125 super.setDownloadListener(listener);
TMBOY 45:2aa9f933c8d2 126 }
TMBOY 45:2aa9f933c8d2 127
TMBOY 45:2aa9f933c8d2 128 private WebViewClientListener webViewClientListen;
TMBOY 45:2aa9f933c8d2 129
TMBOY 45:2aa9f933c8d2 130 public void setWebViewClientListen(WebViewClientListener webViewClientListen) {
TMBOY 45:2aa9f933c8d2 131 this.webViewClientListen = webViewClientListen;
TMBOY 45:2aa9f933c8d2 132 }
TMBOY 45:2aa9f933c8d2 133
TMBOY 45:2aa9f933c8d2 134 /**
TMBOY 45:2aa9f933c8d2 135 * 枚举网络加载返回状态 STATUS_FALSE:false
TMBOY 45:2aa9f933c8d2 136 * STATUS_TRUE:true
TMBOY 45:2aa9f933c8d2 137 * STATUS_UNKNOW:不知道
TMBOY 45:2aa9f933c8d2 138 * NET_UNKNOWN:未知网络
TMBOY 45:2aa9f933c8d2 139 */
TMBOY 45:2aa9f933c8d2 140 public enum LoadingWebStatus {
TMBOY 45:2aa9f933c8d2 141 STATUS_FALSE, STATUS_TRUE, STATUS_UNKNOW
TMBOY 45:2aa9f933c8d2 142 }
TMBOY 45:2aa9f933c8d2 143
TMBOY 45:2aa9f933c8d2 144 @Override
TMBOY 45:2aa9f933c8d2 145 public void linkClicked(String url) {
TMBOY 45:2aa9f933c8d2 146 fireLinkClicked(url);
TMBOY 45:2aa9f933c8d2 147 }
TMBOY 45:2aa9f933c8d2 148
TMBOY 45:2aa9f933c8d2 149 @Override
TMBOY 45:2aa9f933c8d2 150 public void addWebViewListener(IWebViewListener listener) {
TMBOY 45:2aa9f933c8d2 151 this.webViewListeners.add(listener);
TMBOY 45:2aa9f933c8d2 152 }
TMBOY 45:2aa9f933c8d2 153
TMBOY 45:2aa9f933c8d2 154 void fireLinkClicked(String url) {
TMBOY 45:2aa9f933c8d2 155 for (IWebViewListener listener : webViewListeners) {
TMBOY 45:2aa9f933c8d2 156 listener.onLinkClicked(url);
TMBOY 45:2aa9f933c8d2 157 }
TMBOY 45:2aa9f933c8d2 158 }
TMBOY 45:2aa9f933c8d2 159
TMBOY 45:2aa9f933c8d2 160 public interface WebViewClientListener {
TMBOY 45:2aa9f933c8d2 161 LoadingWebStatus shouldOverrideUrlLoading(WebView view, String url);
TMBOY 45:2aa9f933c8d2 162
TMBOY 45:2aa9f933c8d2 163 void onPageStarted(WebView view, String url, Bitmap favicon);
TMBOY 45:2aa9f933c8d2 164
TMBOY 45:2aa9f933c8d2 165 void onPageFinished(WebView view, String url);
TMBOY 45:2aa9f933c8d2 166
TMBOY 45:2aa9f933c8d2 167 void onReceivedError(WebView view, int errorCode, String description, String failingUrl);
TMBOY 45:2aa9f933c8d2 168 }
TMBOY 45:2aa9f933c8d2 169
TMBOY 45:2aa9f933c8d2 170 public class BridgeWebViewClient extends WebViewClient {
TMBOY 45:2aa9f933c8d2 171 @Override
TMBOY 45:2aa9f933c8d2 172 public boolean shouldOverrideUrlLoading(WebView view, String url) {
TMBOY 45:2aa9f933c8d2 173 LoadingWebStatus loadWebStatus = LoadingWebStatus.STATUS_UNKNOW;
TMBOY 45:2aa9f933c8d2 174 String mUrl = url;
TMBOY 45:2aa9f933c8d2 175 try {
TMBOY 45:2aa9f933c8d2 176 mUrl = URLDecoder.decode(url, "UTF-8");
TMBOY 45:2aa9f933c8d2 177 } catch (UnsupportedEncodingException e) {
TMBOY 45:2aa9f933c8d2 178 e.printStackTrace();
TMBOY 45:2aa9f933c8d2 179 } catch (IllegalArgumentException e) {
TMBOY 45:2aa9f933c8d2 180 e.printStackTrace();
TMBOY 45:2aa9f933c8d2 181 }
TMBOY 45:2aa9f933c8d2 182 if (null != webViewClientListen) {
TMBOY 45:2aa9f933c8d2 183 loadWebStatus = webViewClientListen.shouldOverrideUrlLoading(view, url);
TMBOY 45:2aa9f933c8d2 184 }
TMBOY 45:2aa9f933c8d2 185 if (LoadingWebStatus.STATUS_FALSE == loadWebStatus) {
TMBOY 45:2aa9f933c8d2 186 return false;
TMBOY 45:2aa9f933c8d2 187 } else if (LoadingWebStatus.STATUS_TRUE == loadWebStatus) {
TMBOY 45:2aa9f933c8d2 188 return true;
TMBOY 45:2aa9f933c8d2 189 } else {
TMBOY 45:2aa9f933c8d2 190 return super.shouldOverrideUrlLoading(view, url);
TMBOY 45:2aa9f933c8d2 191 }
TMBOY 45:2aa9f933c8d2 192 }
TMBOY 45:2aa9f933c8d2 193
TMBOY 45:2aa9f933c8d2 194 @Override
TMBOY 45:2aa9f933c8d2 195 public void onPageStarted(WebView view, String url, Bitmap favicon) {
TMBOY 45:2aa9f933c8d2 196 super.onPageStarted(view, url, favicon);
TMBOY 45:2aa9f933c8d2 197 if (null != webViewClientListen) {
TMBOY 45:2aa9f933c8d2 198 webViewClientListen.onPageStarted(view, url, favicon);
TMBOY 45:2aa9f933c8d2 199 }
TMBOY 45:2aa9f933c8d2 200 }
TMBOY 45:2aa9f933c8d2 201
TMBOY 45:2aa9f933c8d2 202 @Override
TMBOY 45:2aa9f933c8d2 203 public void onPageFinished(WebView view, String url) {
TMBOY 45:2aa9f933c8d2 204 super.onPageFinished(view, url);
TMBOY 45:2aa9f933c8d2 205 if (null != webViewClientListen) {
TMBOY 45:2aa9f933c8d2 206 webViewClientListen.onPageFinished(view, url);
TMBOY 45:2aa9f933c8d2 207 }
TMBOY 45:2aa9f933c8d2 208 }
TMBOY 45:2aa9f933c8d2 209
TMBOY 45:2aa9f933c8d2 210 @Override
TMBOY 45:2aa9f933c8d2 211 public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
TMBOY 45:2aa9f933c8d2 212 super.onReceivedError(view, errorCode, description, failingUrl);
TMBOY 45:2aa9f933c8d2 213 if (null != webViewClientListen) {
TMBOY 45:2aa9f933c8d2 214 webViewClientListen.onReceivedError(view, errorCode, description, failingUrl);
TMBOY 45:2aa9f933c8d2 215 }
TMBOY 45:2aa9f933c8d2 216 }
TMBOY 45:2aa9f933c8d2 217
TMBOY 45:2aa9f933c8d2 218 @Override
TMBOY 45:2aa9f933c8d2 219 public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
TMBOY 45:2aa9f933c8d2 220 // 当发生证书认证错误时，采用默认的处理方法handler.cancel()，停止加载问题页面
TMBOY 45:2aa9f933c8d2 221 handler.cancel();
TMBOY 45:2aa9f933c8d2 222 }
TMBOY 45:2aa9f933c8d2 223 }
TMBOY 45:2aa9f933c8d2 224 }