15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2011 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef CHROME_FRAME_COM_MESSAGE_EVENT_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define CHROME_FRAME_COM_MESSAGE_EVENT_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <atlbase.h> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <atlcom.h> 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <mshtml.h> // IHTMLEventObj 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/win/scoped_comptr.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Implements a MessageEvent compliant event object by providing MessageEvent 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// specific properties itself and inherited properties from a browser provided 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// event implementation. 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// NOTE: The messagePort and source properties will always be NULL. 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// See the HTML 5 spec for further details on a MessageEvent object: 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// http://www.whatwg.org/specs/web-apps/current-work/multipage/comms.html#messageevent 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class ComMessageEvent 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : public CComObjectRootEx<CComSingleThreadModel>, 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public IDispatch { 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ComMessageEvent(); 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ~ComMessageEvent(); 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)BEGIN_COM_MAP(ComMessageEvent) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) COM_INTERFACE_ENTRY(IDispatch) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)END_COM_MAP() 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The dispids we support. These are based on HTML5 and not IHTMLEventObj5 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // (there are a couple of differences). 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // http://dev.w3.org/html5/spec/Overview.html#messageevent 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // vs http://msdn.microsoft.com/en-us/library/cc288548(VS.85).aspx 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) typedef enum { 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISPID_MESSAGE_EVENT_DATA = 201, 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISPID_MESSAGE_EVENT_ORIGIN, 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISPID_MESSAGE_EVENT_LAST_EVENT_ID, 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISPID_MESSAGE_EVENT_SOURCE, 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISPID_MESSAGE_EVENT_MESSAGE_PORT, 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISPID_MESSAGE_EVENT_TYPE 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } MessageEventDispIds; 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Utility function for checking Invoke flags and assigning a BSTR to the 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // result variable. 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HRESULT GetStringProperty(WORD flags, const wchar_t* value, VARIANT* result); 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) STDMETHOD(GetTypeInfoCount)(UINT* info); 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) STDMETHOD(GetTypeInfo)(UINT which_info, LCID lcid, ITypeInfo** type_info); 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) STDMETHOD(GetIDsOfNames)(REFIID iid, LPOLESTR* names, UINT count_names, 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LCID lcid, DISPID* dispids); 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) STDMETHOD(Invoke)(DISPID dispid, REFIID iid, LCID lcid, WORD flags, 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISPPARAMS* params, VARIANT* result, EXCEPINFO* excepinfo, 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UINT* arg_err); 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Initializes this object. The container pointer is used to find the 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // container's IHTMLEventObj implementation if available. 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool Initialize(IOleContainer* container, const std::string& message, 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& origin, const std::string& event_type); 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protected: 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // HTML Event object to which we delegate property and method 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // calls that we do not directly support. This may not be initialized 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // if our container does not require the properties/methods exposed by 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the basic event object. 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::win::ScopedComPtr<IHTMLEventObj> basic_event_; 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string message_; 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string origin_; 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string type_; 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(ComMessageEvent); 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // CHROME_FRAME_COM_MESSAGE_EVENT_H_ 77