/*
Copyright 2012-2013, Polyvi Inc. (http://polyvi.github.io/openxface)
This program is distributed under the terms of the GNU General Public License.
This file is part of xFace.
xFace is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
xFace is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with xFace. If not, see <http://www.gnu.org/licenses/>.
*/
package com.polyvi.xface.view;
import org.apache.cordova.CordovaWebView;
import org.apache.cordova.LOG;
import android.content.Context;
import android.view.MotionEvent;
import android.view.View;
import com.polyvi.xface.app.XApplication;
import com.polyvi.xface.core.XISystemContext;
import com.polyvi.xface.event.XEvent;
import com.polyvi.xface.event.XEventType;
import com.polyvi.xface.event.XISystemEventReceiver;
import com.polyvi.xface.util.XUtils;
/**
* application对应的WebView封装，用于显示application
*/
public class XAppWebView extends CordovaWebView implements
XISystemEventReceiver {
public static final String CLASS_NAME = "XAppWebView";
public static final int EMPTPY_VIEW_ID = Integer.MAX_VALUE;
private int mViewId;
/** < view id，每个view的id唯一 */
private XTouchEventHandler mTouchEventHandler;
private XWebViewClient mWebViewClient;
/** 该视图是否有效 */
private boolean mIsValid;
protected XApplication mOwnerApp;
protected XISystemContext mSystemCtx;
public XAppWebView(XISystemContext systemContext) {
super(systemContext.getContext());
mSystemCtx = systemContext;
mViewId = XUtils.generateRandomId();
mTouchEventHandler = new XTouchEventHandler();
registerSystemEventReceiver();
getSettings().setUseWideViewPort(true);
}
private void registerSystemEventReceiver() {
mSystemCtx.getEventCenter().registerReceiver(this,
XEventType.MSG_RECEIVED);
mSystemCtx.getEventCenter().registerReceiver(this,
XEventType.CALL_RECEIVED);
mSystemCtx.getEventCenter().registerReceiver(this,
XEventType.PUSH_MSG_RECEIVED);
mSystemCtx.getEventCenter().registerReceiver(this,
XEventType.EXTERNAL_MESSAGE_RECEIVED);
}
private void unRegisterSystemEventReceiver() {
mSystemCtx.getEventCenter().unregisterReceiver(this);
}
@Override
public void onReceived(Context context, XEvent evt) {
if (evt.getType() == XEventType.MSG_RECEIVED) {
String msgs = (String) evt.getData();
handleMsgEvent(msgs);
} else if (evt.getType() == XEventType.CALL_RECEIVED) {
int callStatus = (Integer) evt.getData();
handleCallReceived(callStatus);
} else if (evt.getType() == XEventType.EXTERNAL_MESSAGE_RECEIVED) {
String msgs = (String) evt.getData();
handleExternalMessage(msgs);
}
}
/**
* 处理短信事件
*
* @param msgs
*/
private void handleMsgEvent(String msgs) {
String jsScript = "try{ cordova.require('cordova/channel').onMsgReceived.fire('"
+ msgs + "');}catch(e){console.log('msg rcv : ' + e);}";
sendJavascript(jsScript);
}
/**
* 处理来电事件
*
* @param callStatus
*/
private void handleCallReceived(int callStatus) {
String jsScript = "try{ cordova.require('cordova/channel').onCallReceived.fire('"
+ callStatus + "');}catch(e){console.log('call rcv : ' + e);}";
sendJavascript(jsScript);
}
/**
* 处理通知事件
*
* @param message
*/
public void handleNotificationReceived(String message) {
String jsScript = "try{ cordova.require('com.polyvi.xface.extension.push.PushNotification').fire('"
+ message + "');}catch(e){console.log('call rcv : ' + e);}";
sendJavascript(jsScript);
}
/**
* 处理外部程序发过来参数的消息
*
* @param message
*/
private void handleExternalMessage(String message) {
String jsScript = "try{xFace.require('xFace/app').fireAppEvent('client','"
+ message
+ "');}catch(e){console.log('exception in fireAppEvent:' + e);}";
jsScript = jsScript.replaceAll("'", "\\\\'");
jsScript = jsScript.replaceAll("\"", "\\\\\"");
sendJavascript(jsScript);
}
@Override
public void loadUrlIntoView(String url, int time) {
// If not first page of app, then load immediately
// Add support for browser history if we use it.
if ((url.startsWith("javascript:")) || this.canGoBack()) {
}
// If first page, then show splashscreen
else {
LOG.d(TAG, "loadUrlIntoView(%s, %d)", url, time);
// Send message to show splashscreen now if desired
if (this instanceof XStartAppView) {
this.postMessage("splashscreen", "show");
}
}
// Load url
this.loadUrlIntoView(url);
}
/**
* 处理双击以及多次连击时自动放大的情况
*
* @param event
* 交互事件
* @return 如果事件被处理了返回true，否则返回false
*/
@Override
public boolean onTouchEvent(MotionEvent event) {
if (event.getAction() == MotionEvent.ACTION_DOWN) {
mOwnerApp.resetIdleWatcher();
}
mTouchEventHandler.handleTouchEvent(event, this);
return super.onTouchEvent(event);
}
public int getViewId() {
return mViewId;
}
@Override
public void loadUrl(String url) {
super.loadUrl(url);
this.setOnLongClickListener(new View.OnLongClickListener() {
@Override
public boolean onLongClick(View v) {
// 重载onLongClick，阻止Android 4.0系统中出现默认text selection行为.
// 经过测试，不影响touchstart, touchmove, touchend等events
return true;
}
});
}
/**
* 设置适配是否完成标志
*
* @param adapt
* adapt为true则表示适配完成，false表示适配未完成这时不响应双击时将viewport设置为false
*/
public void setAdapated(boolean adapt) {
mTouchEventHandler.setAdapated(adapt);
}
public void setValid(boolean isValid) {
this.mIsValid = isValid;
}
public boolean isValid() {
return mIsValid;
}
/**
* 获取ownerApp
*
* @return
*/
public XApplication getOwnerApp() {
return mOwnerApp;
}
public void setOwnerApp(XApplication app) {
this.mOwnerApp = app;
}
public XWebViewClient getWebViewClient() {
return mWebViewClient;
}
/**
* 关闭app
*
* @param viewId
* 须要被关闭app对应的viewid
*/
public void handleCloseApplication(int viewId) {
// 调用父类的消息发送
super.postMessage("exit_engine", null);
}
public void willClosed() {
this.postMessage("spinner", "stop");
unRegisterSystemEventReceiver();
}
/**
* 调用父类的clearHistory，避免super在UI线程的语法错误
*/
private void callSuperClearHistory() {
super.clearHistory();
}
@Override
public void clearHistory() {
mSystemCtx.getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
callSuperClearHistory();
}
});
}
}