nim_duilib/ui_components/cef_control/handler/browser_handler.h

/** @file browser_handler.h
  * @brief ʵ<EFBFBD><EFBFBD>CefClient<EFBFBD>ӿڣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Cef<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>󷢳<EFBFBD><EFBFBD>ĸ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϲ<EFBFBD><EFBFBD>ؼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݽ<EFBFBD><EFBFBD><EFBFBD>
  * @copyright (c) 2016, NetEase Inc. All rights reserved
  * @author Redrain
  * @date 2016/7/19
*/
#pragma once
#include "include/cef_client.h"
#include "include/cef_browser.h"
#include "cef_control/util/auto_unregister.h"
#include "cef_control/app/cef_js_bridge.h"

namespace nim_cef
{
// BrowserHandler implements CefClient and a number of other interfaces.
class BrowserHandler : 
	public nbase::SupportWeakCallback,
	public CefClient,
	public CefLifeSpanHandler,
	public CefRenderHandler,
	public CefContextMenuHandler,
	public CefDisplayHandler,
	public CefDragHandler,
	public CefGeolocationHandler,
	public CefJSDialogHandler,
	public CefKeyboardHandler,	
	public CefLoadHandler,
	public CefRequestHandler,
	public CefDownloadHandler,
	public CefDialogHandler
{
public:
	BrowserHandler();

	/** @class HandlerDelegate
	 * @brief BrowserHandler<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣί<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿڣ<EFBFBD>BrowserHandler<EFBFBD><EFBFBD><EFBFBD>ᴦ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Cef<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD>
	 *		 <EFBFBD><EFBFBD><EFBFBD><EFBFBD>һЩ<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD>ϲ㽻<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><EFBFBD>ӿڷ<EFBFBD>װ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD>BrowserHandler<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Щ<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD>ί<EFBFBD>нӿ<EFBFBD><EFBFBD><EFBFBD>
	 *		 <EFBFBD><EFBFBD><EFBFBD>Ը<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>չ<EFBFBD>˽ӿ<EFBFBD>
	 */
	class HandlerDelegate : public virtual nbase::SupportWeakCallback
	{
	public:

		// <20>ڷ<EFBFBD>UI<55>߳<EFBFBD><DFB3>б<EFBFBD><D0B1><EFBFBD><EFBFBD><EFBFBD>
		virtual void OnPaint(CefRefPtr<CefBrowser> browser,
			CefRenderHandler::PaintElementType type,
			const CefRenderHandler::RectList& dirtyRects,
			const std::string* buffer,
			int width,
			int height) = 0;

		virtual void OnPopupShow(CefRefPtr<CefBrowser> browser, bool show) = 0;

		virtual void OnPopupSize(CefRefPtr<CefBrowser> browser, const CefRect& rect) = 0;

		virtual void UpdateWindowPos() = 0;

		// <20>ڷ<EFBFBD>UI<55>߳<EFBFBD><DFB3>б<EFBFBD><D0B1><EFBFBD><EFBFBD><EFBFBD>
		virtual void OnBeforeContextMenu(CefRefPtr<CefBrowser> browser, CefRefPtr<CefFrame> frame, CefRefPtr<CefContextMenuParams> params, CefRefPtr<CefMenuModel> model) = 0;

		// <20>ڷ<EFBFBD>UI<55>߳<EFBFBD><DFB3>б<EFBFBD><D0B1><EFBFBD><EFBFBD><EFBFBD>
		virtual bool OnContextMenuCommand(CefRefPtr<CefBrowser> browser,
			CefRefPtr<CefFrame> frame,
			CefRefPtr<CefContextMenuParams> params,
			int command_id,
			EventFlags event_flags) = 0;

		virtual void OnAddressChange(CefRefPtr<CefBrowser> browser,	CefRefPtr<CefFrame> frame, const CefString& url) = 0;

		virtual void OnTitleChange(CefRefPtr<CefBrowser> browser, const CefString& title) = 0;

		virtual void OnLoadingStateChange(CefRefPtr<CefBrowser> browser, bool isLoading, bool canGoBack, bool canGoForward) = 0;

		virtual void OnLoadStart(CefRefPtr<CefBrowser> browser,	CefRefPtr<CefFrame> frame) = 0;

		virtual void OnLoadEnd(CefRefPtr<CefBrowser> browser, CefRefPtr<CefFrame> frame, int httpStatusCode) = 0;

		virtual void OnLoadError(CefRefPtr<CefBrowser> browser,
			CefRefPtr<CefFrame> frame,
			ErrorCode errorCode,
			const CefString& errorText,
			const CefString& failedUrl) = 0;

		// <20>ڷ<EFBFBD>UI<55>߳<EFBFBD><DFB3>б<EFBFBD><D0B1><EFBFBD><EFBFBD><EFBFBD>
		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) = 0;

		virtual bool OnAfterCreated(CefRefPtr<CefBrowser> browser) = 0;

		virtual void OnBeforeClose(CefRefPtr<CefBrowser> browser) = 0;

		// <20>ڷ<EFBFBD>UI<55>߳<EFBFBD><DFB3>б<EFBFBD><D0B1><EFBFBD><EFBFBD><EFBFBD>
		virtual bool OnBeforeBrowse(CefRefPtr<CefBrowser> browser, CefRefPtr<CefFrame> frame, CefRefPtr<CefRequest> request, bool is_redirect) = 0;
		virtual void OnProtocolExecution(CefRefPtr<CefBrowser> browser, const CefString& url, bool& allow_os_execution) = 0;

		// <20>ڷ<EFBFBD>UI<55>߳<EFBFBD><DFB3>б<EFBFBD><D0B1><EFBFBD><EFBFBD><EFBFBD>
		virtual ReturnValue OnBeforeResourceLoad(
			CefRefPtr<CefBrowser> browser,
			CefRefPtr<CefFrame> frame,
			CefRefPtr<CefRequest> request,
			CefRefPtr<CefRequestCallback> callback) = 0;

		virtual void OnRenderProcessTerminated(CefRefPtr<CefBrowser> browser, TerminationStatus status) = 0;

		// <20>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		virtual void OnBeforeDownload(
			CefRefPtr<CefBrowser> browser,
			CefRefPtr<CefDownloadItem> download_item,
			const CefString& suggested_name,
			CefRefPtr<CefBeforeDownloadCallback> callback) = 0;

		virtual void OnDownloadUpdated(
			CefRefPtr<CefBrowser> browser,
			CefRefPtr<CefDownloadItem> download_item,
			CefRefPtr<CefDownloadItemCallback> callback) = 0;

		// <20><><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD> Dialog
		virtual bool OnFileDialog(
			CefRefPtr<CefBrowser> browser,
			FileDialogMode mode,
			const CefString& title,
			const CefString& default_file_path,
			const std::vector<CefString>& accept_filters,
			int selected_accept_filter,
			CefRefPtr<CefFileDialogCallback> callback) = 0;

		// <20><>װһЩ JS <20><> C++ <20><><EFBFBD><EFBFBD><EFBFBD>Ĺ<EFBFBD><C4B9><EFBFBD>
		virtual bool OnExecuteCppFunc(const CefString& function_name, const CefString& params, int js_callback_id, CefRefPtr<CefBrowser> browser) = 0;

		virtual bool OnExecuteCppCallbackFunc(int cpp_callback_id, const CefString& json_string) = 0;
	};

public:

	// <20><><EFBFBD><EFBFBD>Cef<65><66><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD>ľ<EFBFBD><C4BE><EFBFBD>
	void SetHostWindow(HWND hwnd){ hwnd_ = hwnd; }

	// <20><><EFBFBD><EFBFBD>ί<EFBFBD><CEAF><EFBFBD><EFBFBD>ָ<EFBFBD>룬<EFBFBD><EBA3AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һЩ<D2BB>¼<EFBFBD><C2BC>ύ<EFBFBD><E1BDBB><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	// <20><>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD>ָ<EFBFBD>Ķ<EFBFBD><C4B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD>ʱ<EFBFBD><CAB1>Ӧ<EFBFBD>ø<EFBFBD><C3B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>NULL
	void SetHandlerDelegate(HandlerDelegate *handler){ handle_delegate_ = handler; }

	// <20><><EFBFBD><EFBFBD>Cef<65><66>Ⱦ<EFBFBD><C8BE><EFBFBD>ݵĴ<DDB5>С
	void SetViewRect(RECT rc);

	// <20><>ǰWebҳ<62><D2B3><EFBFBD>л<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD><D4AA><EFBFBD>Ƿ<EFBFBD><C7B7>ɱ༭
	bool IsCurFieldEditable(){ return is_focus_oneditable_field_; }

	CefRefPtr<CefBrowser> GetBrowser(){ return browser_; }

	CefRefPtr<CefBrowserHost> GetBrowserHost();

	// <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>񵽶<EFBFBD><F1B5BDB6><EFBFBD><EFBFBD>У<EFBFBD><D0A3><EFBFBD>Browser<65><72><EFBFBD>󴴽<EFBFBD><F3B4B4BD>ɹ<EFBFBD><C9B9>󣬻<EFBFBD><F3A3ACBB><EFBFBD><EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	// <20><><EFBFBD>紴<EFBFBD><E7B4B4>Browser<65><72><EFBFBD><EFBFBD><EFBFBD><EFBFBD>LoadUrl<72><6C><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD><D2B3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱBrowser<65>ܿ<EFBFBD><DCBF>ܻ<EFBFBD>û<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>ɹ<EFBFBD><C9B9><EFBFBD><EFBFBD>Ͱ<EFBFBD>LoadUrl<72><6C><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD><D3B5><EFBFBD><EFBFBD><EFBFBD>
	 UnregisterCallback AddAfterCreateTask(const StdClosure& cb);

	 void CloseAllBrowser();
public:
	
	// CefClient methods. Important to return |this| for the handler callbacks.
	virtual CefRefPtr<CefContextMenuHandler> GetContextMenuHandler() OVERRIDE {	return this; }
	virtual CefRefPtr<CefRenderHandler>  GetRenderHandler() OVERRIDE { return this; }
	virtual CefRefPtr<CefDisplayHandler> GetDisplayHandler() OVERRIDE{ return this; }
	virtual CefRefPtr<CefDragHandler> GetDragHandler() OVERRIDE{ return this; }
	virtual CefRefPtr<CefGeolocationHandler> GetGeolocationHandler() OVERRIDE{ return this; }
	virtual CefRefPtr<CefJSDialogHandler> GetJSDialogHandler() { return this; }
	virtual CefRefPtr<CefKeyboardHandler> GetKeyboardHandler() OVERRIDE{ return this; }
	virtual CefRefPtr<CefLifeSpanHandler> GetLifeSpanHandler() OVERRIDE{ return this; }
	virtual CefRefPtr<CefLoadHandler> GetLoadHandler() OVERRIDE{ return this; }
	virtual CefRefPtr<CefRequestHandler> GetRequestHandler() OVERRIDE{ return this; }
	virtual CefRefPtr<CefDownloadHandler> GetDownloadHandler() OVERRIDE { return this; }
	virtual CefRefPtr<CefDialogHandler> GetDialogHandler() OVERRIDE { return this; }
	virtual bool OnProcessMessageReceived(CefRefPtr<CefBrowser> browser, CefProcessId source_process, CefRefPtr<CefProcessMessage> message)	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;

	// CefRenderHandler methods
	virtual bool GetRootScreenRect(CefRefPtr<CefBrowser> browser, CefRect& rect) OVERRIDE;

	virtual bool GetViewRect(CefRefPtr<CefBrowser> browser, CefRect& rect) OVERRIDE;

	virtual bool GetScreenPoint(CefRefPtr<CefBrowser> browser, int viewX, int viewY, int& screenX, int& screenY) OVERRIDE;

	virtual void OnPopupShow(CefRefPtr<CefBrowser> browser, bool show) OVERRIDE;

	virtual void OnPopupSize(CefRefPtr<CefBrowser> browser, const CefRect& rect) OVERRIDE;

	virtual void OnPaint(CefRefPtr<CefBrowser> browser,	PaintElementType type, const RectList& dirtyRects, const void* buffer, int width, int height) OVERRIDE;

	virtual void OnCursorChange(CefRefPtr<CefBrowser> browser, CefCursorHandle cursor, CursorType type,	const CefCursorInfo& custom_cursor_info) OVERRIDE;

	// CefContextMenuHandler methods
	virtual void OnBeforeContextMenu(CefRefPtr<CefBrowser> browser, CefRefPtr<CefFrame> frame, CefRefPtr<CefContextMenuParams> params, CefRefPtr<CefMenuModel> model) OVERRIDE;

	virtual bool RunContextMenu(CefRefPtr<CefBrowser> browser,
		CefRefPtr<CefFrame> frame,
		CefRefPtr<CefContextMenuParams> params,
		CefRefPtr<CefMenuModel> model,
		CefRefPtr<CefRunContextMenuCallback> callback)  OVERRIDE;

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

	virtual void OnContextMenuDismissed(CefRefPtr<CefBrowser> browser,
		CefRefPtr<CefFrame> frame) OVERRIDE;

	// CefDisplayHandler methods
	virtual void OnAddressChange(CefRefPtr<CefBrowser> browser,	CefRefPtr<CefFrame> frame, const CefString& url) OVERRIDE;

	virtual void OnTitleChange(CefRefPtr<CefBrowser> browser, const CefString& title) OVERRIDE;

	virtual bool OnConsoleMessage(CefRefPtr<CefBrowser> browser, const CefString& message, const CefString& source, int line) OVERRIDE;

	// CefLoadHandler methods
	virtual void OnLoadingStateChange(CefRefPtr<CefBrowser> browser, bool isLoading, bool canGoBack, bool canGoForward) OVERRIDE;

	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;

	// CefJSDialogHandler methods
	virtual bool OnJSDialog(CefRefPtr<CefBrowser> browser,
		const CefString& origin_url,
		const CefString& accept_lang,
		JSDialogType dialog_type,
		const CefString& message_text,
		const CefString& default_prompt_text,
		CefRefPtr<CefJSDialogCallback> callback,
		bool& suppress_message) OVERRIDE;

	// CefRequestHandler methods
	bool OnBeforeBrowse(CefRefPtr<CefBrowser> browser,
		CefRefPtr<CefFrame> frame,
		CefRefPtr<CefRequest> request,
		bool is_redirect) OVERRIDE;

	virtual void OnProtocolExecution(CefRefPtr<CefBrowser> browser,
		const CefString& url,
		bool& allow_os_execution);

	cef_return_value_t OnBeforeResourceLoad(
		CefRefPtr<CefBrowser> browser,
		CefRefPtr<CefFrame> frame,
		CefRefPtr<CefRequest> request,
		CefRefPtr<CefRequestCallback> callback) OVERRIDE;

	bool OnQuotaRequest(CefRefPtr<CefBrowser> browser,
		const CefString& origin_url,
		int64 new_size,
		CefRefPtr<CefRequestCallback> callback) OVERRIDE;

	void OnRenderProcessTerminated(CefRefPtr<CefBrowser> browser,
		TerminationStatus status) OVERRIDE;

	// CefDownloadHandler methods
	virtual void OnBeforeDownload(
		CefRefPtr<CefBrowser> browser,
		CefRefPtr<CefDownloadItem> download_item,
		const CefString& suggested_name,
		CefRefPtr<CefBeforeDownloadCallback> callback) OVERRIDE;

	virtual void OnDownloadUpdated(
		CefRefPtr<CefBrowser> browser,
		CefRefPtr<CefDownloadItem> download_item,
		CefRefPtr<CefDownloadItemCallback> callback) OVERRIDE;

	// CefDialogHandler methods
	virtual bool OnFileDialog(CefRefPtr<CefBrowser> browser,
		FileDialogMode mode,
		const CefString& title,
		const CefString& default_file_path,
		const std::vector<CefString>& accept_filters,
		int selected_accept_filter,
		CefRefPtr<CefFileDialogCallback> callback) OVERRIDE;

protected:
	CefRefPtr<CefBrowser>	browser_;
	std::vector<CefRefPtr<CefBrowser>> browser_list_;
	HWND					hwnd_;
	HandlerDelegate*		handle_delegate_;
	RECT					rect_cef_control_;
	std::string				paint_buffer_;
	bool					is_focus_oneditable_field_;
	UnregistedCallbackList<StdClosure>	task_list_after_created_;

	IMPLEMENT_REFCOUNTING(BrowserHandler);
};
}