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// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_FRAME_CHROME_FRAME_ACTIVEX_H_
#define CHROME_FRAME_CHROME_FRAME_ACTIVEX_H_
#include <atlbase.h>
#include <atlcom.h>
#include <atlctl.h>
#include <set>
#include <string>
#include "base/scoped_bstr_win.h"
#include "base/scoped_comptr_win.h"
#include "base/scoped_variant_win.h"
#include "chrome_frame/chrome_frame_activex_base.h"
#include "chrome_frame/com_type_info_holder.h"
#include "grit/chrome_frame_resources.h"
// Include without path to make GYP build see it.
#include "chrome_tab.h" // NOLINT
// ChromeFrameActivex: Implementation of the ActiveX control that is
// responsible for hosting a chrome frame, i.e. an iframe like widget which
// hosts the the chrome window. This object delegates to Chrome.exe
// (via the Chrome IPC-based automation mechanism) for the actual rendering.
class ATL_NO_VTABLE ChromeFrameActivex
: public ChromeFrameActivexBase<ChromeFrameActivex, CLSID_ChromeFrame>,
public IObjectSafetyImpl<ChromeFrameActivex,
INTERFACESAFE_FOR_UNTRUSTED_CALLER |
INTERFACESAFE_FOR_UNTRUSTED_DATA>,
public IPersistPropertyBag {
public:
typedef ChromeFrameActivexBase<ChromeFrameActivex, CLSID_ChromeFrame> Base;
ChromeFrameActivex();
~ChromeFrameActivex();
DECLARE_REGISTRY_RESOURCEID(IDR_CHROMEFRAME)
BEGIN_COM_MAP(ChromeFrameActivex)
COM_INTERFACE_ENTRY(IObjectSafety)
COM_INTERFACE_ENTRY(IPersistPropertyBag)
COM_INTERFACE_ENTRY(IConnectionPointContainer)
COM_INTERFACE_ENTRY_CHAIN(Base)
END_COM_MAP()
BEGIN_MSG_MAP(ChromeFrameActivex)
MESSAGE_HANDLER(WM_CREATE, OnCreate)
CHAIN_MSG_MAP(Base)
END_MSG_MAP()
HRESULT FinalConstruct();
virtual HRESULT OnDraw(ATL_DRAWINFO& draw_info);
// IPersistPropertyBag implementation
STDMETHOD(GetClassID)(CLSID* class_id) {
if (class_id != NULL)
*class_id = GetObjectCLSID();
return S_OK;
}
STDMETHOD(InitNew)() {
return S_OK;
}
STDMETHOD(Load)(IPropertyBag* bag, IErrorLog* error_log);
STDMETHOD(Save)(IPropertyBag* bag, BOOL clear_dirty, BOOL save_all) {
return E_NOTIMPL;
}
// Used to setup the document_url_ member needed for completing navigation.
// Create external tab (possibly in incognito mode).
HRESULT IOleObject_SetClientSite(IOleClientSite *pClientSite);
// Overridden to perform security checks.
STDMETHOD(put_src)(BSTR src);
protected:
// ChromeFrameDelegate overrides
virtual void OnLoad(int tab_handle, const GURL& url);
virtual void OnMessageFromChromeFrame(int tab_handle,
const std::string& message,
const std::string& origin,
const std::string& target);
virtual void OnLoadFailed(int error_code, const std::string& url);
virtual void OnAutomationServerLaunchFailed(
AutomationLaunchResult reason, const std::string& server_version);
virtual void OnExtensionInstalled(const FilePath& path,
void* user_data, AutomationMsg_ExtensionResponseValues response);
private:
LRESULT OnCreate(UINT message, WPARAM wparam, LPARAM lparam,
BOOL& handled); // NO_LINT
HRESULT GetContainingDocument(IHTMLDocument2** doc);
HRESULT GetDocumentWindow(IHTMLWindow2** window);
// Gets the value of the 'id' attribute of the object element.
HRESULT GetObjectScriptId(IHTMLObjectElement* object_elem, BSTR* id);
// Returns the object element in the HTML page.
// Note that if we're not being hosted inside an HTML
// document, then this call will fail.
HRESULT GetObjectElement(IHTMLObjectElement** element);
HRESULT CreateScriptBlockForEvent(IHTMLElement2* insert_after,
BSTR instance_id, BSTR script,
BSTR event_name);
// Utility function that checks the size of the vector and if > 0 creates
// a variant for the string argument and forwards the call to the other
// FireEvent method.
void FireEvent(const EventHandlers& handlers, const std::string& arg);
// Invokes all registered handlers in a vector of event handlers.
void FireEvent(const EventHandlers& handlers, IDispatch* event);
// This variant is used for the privatemessage handler only.
void FireEvent(const EventHandlers& handlers, IDispatch* event,
BSTR target);
};
#endif // CHROME_FRAME_CHROME_FRAME_ACTIVEX_H_
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