BrowserHandlers.h

#pragma once
#include "stdafx.h"
#include <list>

#include "include/cef_base.h"
#include "include/cef_browser.h"


class CCefClientHandler : public CefClient,public CefDisplayHandler,public CefLifeSpanHandler,public CefLoadHandler,public CefRequestHandler, public CefContextMenuHandler
{
public:
	CCefClientHandler();
	~CCefClientHandler();

	// CefClient methods:
	virtual CefRefPtr<CefDisplayHandler> GetDisplayHandler() override;

	virtual CefRefPtr<CefLifeSpanHandler> GetLifeSpanHandler() override;
	
	virtual CefRefPtr<CefLoadHandler> GetLoadHandler() override;

	virtual CefRefPtr<CefRequestHandler> GetRequestHandler() override;

	virtual CefRefPtr<CefContextMenuHandler> GetContextMenuHandler() override{
		return this;
	}

	// ----------------CefDisplayHandler methods:-------------------
	virtual void OnTitleChange(CefRefPtr<CefBrowser> browser,const CefString& title) override;

	//---------------- CefLifeSpanHandler methods:----------------------------
	virtual bool OnBeforePopup(CefRefPtr<CefBrowser> browser, CefRefPtr<CefFrame> frame, const CefString& target_url, const CefString& target_frame_name,
		CefLifeSpanHandler::WindowOpenDisposition target_disposition, bool user_gesture, const CefPopupFeatures& popupFeatures, CefWindowInfo& windowInfo, CefRefPtr<CefClient>& client, CefBrowserSettings& settings, bool* no_javascript_access) override;

	virtual void OnAfterCreated(CefRefPtr<CefBrowser> browser) override;
	virtual bool DoClose(CefRefPtr<CefBrowser> browser) override;
	virtual void OnBeforeClose(CefRefPtr<CefBrowser> browser) override;

	// ----------------CefLoadHandler methods:---------------------------
	virtual void OnLoadStart(CefRefPtr<CefBrowser> browser, CefRefPtr<CefFrame> frame) override;
	virtual void OnLoadEnd(CefRefPtr<CefBrowser> browser,CefRefPtr<CefFrame> frame,int httpStatusCode) override;
	virtual void OnLoadError(CefRefPtr<CefBrowser> browser,CefRefPtr<CefFrame> frame,ErrorCode errorCode,const CefString& errorText,const CefString& failedUrl) override;
	//-----------------

	//菜单处理  
	virtual void OnBeforeContextMenu(CefRefPtr<CefBrowser> browser, CefRefPtr<CefFrame> frame,CefRefPtr<CefContextMenuParams> params, CefRefPtr<CefMenuModel> model) override;

	virtual bool OnContextMenuCommand(CefRefPtr<CefBrowser> browser, CefRefPtr<CefFrame> frame,CefRefPtr<CefContextMenuParams> params, int command_id, EventFlags event_flags) override;

	void CloseHostBrowser(CefRefPtr<CefBrowser>browser, bool force_close) ;
	// Request that all existing browser windows close.
	void CloseAllBrowsers(bool force_close);

	bool IsClosing() const;


	void ShowDevelopTools(CefRefPtr<CefBrowser> browser,const CefPoint& inspect_element_at);
	void CloseDevelopTools(CefRefPtr<CefBrowser> browser);

public:
	//CefRefPtr<CefBrowser> browser_;

	HWND hWnd_; //接收消息的句柄
	CefString strTitle_; //网址标题

	// List of existing browser windows. Only accessed on the CEF UI thread.
	typedef std::vector<CefRefPtr<CefBrowser> > BrowserList;
	BrowserList browser_list_;

private:

	bool is_closing_;

	// Include the default reference counting implementation.
	IMPLEMENT_REFCOUNTING(CCefClientHandler);
	//由于CEF采用多线程架构，有必要使用锁和闭包来保证在多不同线程安全的传递数据。IMPLEMENT_LOCKING定义提供了Lock()和Unlock()方法以及AutoLock对象来保证不同代码块同步访问
	IMPLEMENT_LOCKING(CCefClientHandler);
};