// Copyright (c) 2008-2009 The Chromium Embedded Framework Authors. All rights // reserved. Use of this source code is governed by a BSD-style license that // can be found in the LICENSE file. #include "extension_test.h" // Implementation of the V8 handler class for the "cef.test" extension. class ClientV8ExtensionHandler : public CefV8Handler { public: ClientV8ExtensionHandler() : test_param_("An initial string value.") {} virtual ~ClientV8ExtensionHandler() {} // Execute with the specified argument list and return value. Return true if // the method was handled. virtual bool Execute(const CefString& name, CefRefPtr object, const CefV8ValueList& arguments, CefRefPtr& retval, CefString& exception) { if(name == "SetTestParam") { // Handle the SetTestParam native function by saving the string argument // into the local member. if(arguments.size() != 1 || !arguments[0]->IsString()) return false; test_param_ = arguments[0]->GetStringValue(); return true; } else if(name == "GetTestParam") { // Handle the GetTestParam native function by returning the local member // value. retval = CefV8Value::CreateString(test_param_); return true; } else if(name == "GetTestObject") { // Handle the GetTestObject native function by creating and returning a // new V8 object. retval = CefV8Value::CreateObject(NULL); // Add a string parameter to the new V8 object. retval->SetValue("param", CefV8Value::CreateString( "Retrieving a parameter on a native object succeeded.")); // Add a function to the new V8 object. retval->SetValue("GetMessage", CefV8Value::CreateFunction("GetMessage", this)); return true; } else if(name == "GetMessage") { // Handle the GetMessage object function by returning a string. retval = CefV8Value::CreateString( "Calling a function on a native object succeeded."); return true; } return false; } private: CefString test_param_; IMPLEMENT_REFCOUNTING(ClientV8ExtensionHandler); }; void InitExtensionTest() { // Register a V8 extension with the below JavaScript code that calls native // methods implemented in ClientV8ExtensionHandler. std::string code = "var cef;" "if (!cef)" " cef = {};" "if (!cef.test)" " cef.test = {};" "(function() {" " cef.test.__defineGetter__('test_param', function() {" " native function GetTestParam();" " return GetTestParam();" " });" " cef.test.__defineSetter__('test_param', function(b) {" " native function SetTestParam();" " if(b) SetTestParam(b);" " });" " cef.test.test_object = function() {" " native function GetTestObject();" " return GetTestObject();" " };" "})();"; CefRegisterExtension("v8/test", code, new ClientV8ExtensionHandler()); } void RunExtensionTest(CefRefPtr browser) { std::string html = "ClientV8ExtensionHandler says:

"
    ""
    "

"; browser->GetMainFrame()->LoadString(html, "about:blank"); }