2010-10-03 23:04:50 +02:00
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// Copyright (c) 2008-2009 The Chromium Embedded Framework Authors. All rights
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// reserved. Use of this source code is governed by a BSD-style license that
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// can be found in the LICENSE file.
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#include "extension_test.h"
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// Implementation of the V8 handler class for the "cef.test" extension.
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2011-05-20 16:42:25 +02:00
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class ClientV8ExtensionHandler : public CefV8Handler
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{
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public:
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ClientV8ExtensionHandler() : test_param_("An initial string value.") {}
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virtual ~ClientV8ExtensionHandler() {}
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// Execute with the specified argument list and return value. Return true if
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// the method was handled.
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virtual bool Execute(const CefString& name,
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CefRefPtr<CefV8Value> object,
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const CefV8ValueList& arguments,
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CefRefPtr<CefV8Value>& retval,
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CefString& exception)
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{
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if(name == "SetTestParam")
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{
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// Handle the SetTestParam native function by saving the string argument
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// into the local member.
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if(arguments.size() != 1 || !arguments[0]->IsString())
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return false;
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test_param_ = arguments[0]->GetStringValue();
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return true;
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}
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else if(name == "GetTestParam")
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{
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// Handle the GetTestParam native function by returning the local member
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// value.
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retval = CefV8Value::CreateString(test_param_);
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return true;
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}
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else if(name == "GetTestObject")
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{
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// Handle the GetTestObject native function by creating and returning a
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// new V8 object.
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retval = CefV8Value::CreateObject(NULL);
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// Add a string parameter to the new V8 object.
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retval->SetValue("param", CefV8Value::CreateString(
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"Retrieving a parameter on a native object succeeded."));
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// Add a function to the new V8 object.
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retval->SetValue("GetMessage",
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CefV8Value::CreateFunction("GetMessage", this));
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return true;
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}
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else if(name == "GetMessage")
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{
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// Handle the GetMessage object function by returning a string.
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retval = CefV8Value::CreateString(
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"Calling a function on a native object succeeded.");
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return true;
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}
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return false;
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}
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private:
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CefString test_param_;
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IMPLEMENT_REFCOUNTING(ClientV8ExtensionHandler);
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};
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void InitExtensionTest()
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{
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// Register a V8 extension with the below JavaScript code that calls native
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// methods implemented in ClientV8ExtensionHandler.
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std::string code = "var cef;"
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"if (!cef)"
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" cef = {};"
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"if (!cef.test)"
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" cef.test = {};"
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"(function() {"
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" cef.test.__defineGetter__('test_param', function() {"
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" native function GetTestParam();"
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" return GetTestParam();"
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" });"
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" cef.test.__defineSetter__('test_param', function(b) {"
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" native function SetTestParam();"
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" if(b) SetTestParam(b);"
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" });"
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" cef.test.test_object = function() {"
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" native function GetTestObject();"
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" return GetTestObject();"
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" };"
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"})();";
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CefRegisterExtension("v8/test", code, new ClientV8ExtensionHandler());
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}
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void RunExtensionTest(CefRefPtr<CefBrowser> browser)
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{
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std::string html =
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"<html><body>ClientV8ExtensionHandler says:<br><pre>"
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"<script language=\"JavaScript\">"
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"cef.test.test_param ="
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" 'Assign and retrieve a value succeeded the first time.';"
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"document.writeln(cef.test.test_param);"
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"cef.test.test_param ="
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" 'Assign and retrieve a value succeeded the second time.';"
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"document.writeln(cef.test.test_param);"
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"var obj = cef.test.test_object();"
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"document.writeln(obj.param);"
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"document.writeln(obj.GetMessage());"
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"</script>"
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"</pre></body></html>";
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browser->GetMainFrame()->LoadString(html, "about:blank");
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}
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