nim_duilib/ui_components/cef_control/app/client_app_render.cpp

#include "stdafx.h"
#include "client_app.h" 
#include <string>

#include "include/cef_cookie.h"
#include "include/cef_process_message.h"
#include "include/cef_task.h"
#include "include/cef_v8.h"
#include "cef_control/util/util.h"

#include "cef_control/app/js_handler.h"
#include "cef_control/app/ipc_string_define.h"
#include "cef_control/app/cef_js_bridge.h"

namespace nim_cef
{
//////////////////////////////////////////////////////////////////////////////////////////
// CefRenderProcessHandler methods.
void ClientApp::OnRenderThreadCreated(CefRefPtr<CefListValue> extra_info) 
{
}

void ClientApp::OnWebKitInitialized() 
{
	/**
	 * JavaScript <EFBFBD><EFBFBD>չ<EFBFBD><EFBFBD><EFBFBD>룬<EFBFBD><EFBFBD><EFBFBD>ﶨ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD> NimCefWebFunction <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ṩ call <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> Web <EFBFBD>˴<EFBFBD><EFBFBD><EFBFBD> native <EFBFBD><EFBFBD> CefV8Handler <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * param[in] functionName	Ҫ<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD> C++ <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * param[in] params			<EFBFBD><EFBFBD><EFBFBD>ø÷<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݵIJ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD> Object<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><EFBFBD> Native <EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>תΪ<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>
	 * param[in] callback		ִ<EFBFBD>и÷<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļص<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * ǰ<EFBFBD>˵<EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD>
	 * NimCefWebHelper.call('showMessage', { message: 'Hello C++' }, (arguments) => {
	 *    console.log(arguments)
	 * })
	 */
	std::string extensionCode = R"(
		var NimCefWebInstance = {};
		(() => {
			NimCefWebInstance.call = (functionName, arg1, arg2) => {
				if (typeof arg1 === 'function') {
					native function call(functionName, arg1);
					return call(functionName, arg1);
				} else {
					const jsonString = JSON.stringify(arg1);
					native function call(functionName, jsonString, arg2);
					return call(functionName, jsonString, arg2);
				}
			};
			NimCefWebInstance.register = (functionName, callback) => {
				native function register(functionName, callback);
				return register(functionName, callback);
			};
		})();
	)";
	CefRefPtr<CefJSHandler> handler = new CefJSHandler();

	if (!render_js_bridge_.get())
		render_js_bridge_.reset(new CefJSBridge);
	handler->AttachJSBridge(render_js_bridge_);
 	CefRegisterExtension("v8/extern", extensionCode, handler);
}

void ClientApp::OnBrowserCreated(CefRefPtr<CefBrowser> browser)
{
	if (!render_js_bridge_.get())
		render_js_bridge_.reset(new CefJSBridge);
}

void ClientApp::OnBrowserDestroyed(CefRefPtr<CefBrowser> browser) 
{
}

CefRefPtr<CefLoadHandler> ClientApp::GetLoadHandler()
{
	return NULL;
}

bool ClientApp::OnBeforeNavigation(
	CefRefPtr<CefBrowser> browser,
	CefRefPtr<CefFrame> frame,
	CefRefPtr<CefRequest> request,
	NavigationType navigation_type,
	bool is_redirect)
{
	return false;
}

void ClientApp::OnContextCreated(CefRefPtr<CefBrowser> browser,	CefRefPtr<CefFrame> frame, CefRefPtr<CefV8Context> context) 
{

}

void ClientApp::OnContextReleased(CefRefPtr<CefBrowser> browser, CefRefPtr<CefFrame> frame,	CefRefPtr<CefV8Context> context) 
{
	render_js_bridge_->RemoveCallbackFuncWithFrame(frame);
	render_js_bridge_->UnRegisterJSFuncWithFrame(frame);
}

void ClientApp::OnUncaughtException(
	CefRefPtr<CefBrowser> browser,
	CefRefPtr<CefFrame> frame,
	CefRefPtr<CefV8Context> context,
	CefRefPtr<CefV8Exception> exception,
	CefRefPtr<CefV8StackTrace> stackTrace) 
{
}

void ClientApp::OnFocusedNodeChanged(
	CefRefPtr<CefBrowser> browser,
	CefRefPtr<CefFrame> frame,
	CefRefPtr<CefDOMNode> node) 
{
	bool is_editable = (node.get() && node->IsEditable());
	if (is_editable != last_node_is_editable_)
	{
		// Notify the browser of the change in focused element type.
		last_node_is_editable_ = is_editable;
		CefRefPtr<CefProcessMessage> message = CefProcessMessage::Create(kFocusedNodeChangedMessage);

		message->GetArgumentList()->SetBool(0, is_editable);
		browser->SendProcessMessage(PID_BROWSER, message);
	}
}

bool ClientApp::OnProcessMessageReceived(
	CefRefPtr<CefBrowser> browser,
	CefProcessId source_process,
	CefRefPtr<CefProcessMessage> message) 
{
	ASSERT(source_process == PID_BROWSER);
	// <20>յ<EFBFBD> browser <20><><EFBFBD><EFBFBD>Ϣ<EFBFBD>ظ<EFBFBD>
	const CefString& message_name = message->GetName();
	if (message_name == kExecuteJsCallbackMessage)
	{
		int			callback_id	= message->GetArgumentList()->GetInt(0);
		bool		has_error	= message->GetArgumentList()->GetBool(1);
		CefString	json_string = message->GetArgumentList()->GetString(2);

		// <20><><EFBFBD>յ<EFBFBD><D5B5>IJ<EFBFBD><C4B2><EFBFBD>ͨ<EFBFBD><CDA8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݸ<EFBFBD><DDB8><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>ݵĻص<C4BB><D8B5><EFBFBD><EFBFBD><EFBFBD>
		render_js_bridge_->ExecuteJSCallbackFunc(callback_id, has_error, json_string);
	}
	else if (message_name == kCallJsFunctionMessage)
	{
		CefString function_name = message->GetArgumentList()->GetString(0);
		CefString json_string = message->GetArgumentList()->GetString(1);
		int cpp_callback_id = message->GetArgumentList()->GetInt(2);
		int64 frame_id = message->GetArgumentList()->GetInt(3);

		// ͨ<><CDA8> C++ ִ<><D6B4>һ<EFBFBD><D2BB><EFBFBD>Ѿ<EFBFBD>ע<EFBFBD><D7A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD> JS <20><><EFBFBD><EFBFBD>
		// frame_id С<><D0A1> 0 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> browser <20><><EFBFBD>̵<EFBFBD> browser <20><><EFBFBD><EFBFBD>Ч<EFBFBD>ģ<EFBFBD><C4A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>˱<EFBFBD><CBB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><D6B4><EFBFBD><EFBFBD>ͻ<EFBFBD>ȡһ<C8A1><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD> frame ִ<>д<EFBFBD><D0B4><EFBFBD>
		render_js_bridge_->ExecuteJSFunc(function_name, json_string, frame_id < 0 ? browser->GetMainFrame() : browser->GetFrame(frame_id), cpp_callback_id);
	}

	return false;
}
}