applications/GPAX/GPAXPlugin.h

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/*
 *                      GPAC - Multimedia Framework C SDK
 *
 *                      Authors: Jean Le Feuvre
 *                      Copyright (c) Telecom ParisTech 2006-2012
 *                                      All rights reserved
 *
 *  This file is part of GPAC / ActiveX control
 *
 *  GPAC is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License as published by
 *  the Free Software Foundation; either version 2, or (at your option)
 *  any later version.
 *
 *  GPAC is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; see the file COPYING.  If not, write to
 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#ifndef __GPAXPLUGIN_H_
#define __GPAXPLUGIN_H_

#define MAXLEN_URL     300

#include "resource.h"       // main symbols
#include <atlctl.h>
#include <SHLGUID.h>



#include <gpac/terminal.h>
#include <gpac/user.h>
#include <gpac/config_file.h>
#include <gpac/module.h>
#include <gpac/options.h>

#if (_MSC_VER >= 1300)
using namespace ATL;
#endif


Bool GPAX_EventProc(void *ptr, GF_Event *evt);

/////////////////////////////////////////////////////////////////////////////
// CGPAXPlugin
class ATL_NO_VTABLE CGPAXPlugin :
        public CComObjectRootEx<CComSingleThreadModel>,
        public IDispatchImpl<IGPAX, &IID_IGPAX, &LIBID_GPAXLib>,
        public CComControl<CGPAXPlugin>,
        public CComCoClass<CGPAXPlugin, &CLSID_GPAX>,
        public IOleControlImpl<CGPAXPlugin>,
        public IOleObjectImpl<CGPAXPlugin>,
        public IOleInPlaceActiveObjectImpl<CGPAXPlugin>,
        public IViewObjectExImpl<CGPAXPlugin>,
        public IOleInPlaceObjectWindowlessImpl<CGPAXPlugin>,
        public IProvideClassInfo2Impl<&CLSID_GPAX, &DIID_IGPAXEvents, &LIBID_GPAXLib>,

        public IPersistStreamInitImpl<CGPAXPlugin>,
        public ISupportErrorInfo,
        public IConnectionPointContainerImpl<CGPAXPlugin>,
        public IPersistStorageImpl<CGPAXPlugin>,
        public ISpecifyPropertyPagesImpl<CGPAXPlugin>,
        public IQuickActivateImpl<CGPAXPlugin>,
        public IDataObjectImpl<CGPAXPlugin>,
        public IPropertyNotifySinkCP<CGPAXPlugin>,

        public IPersistPropertyBagImpl<CGPAXPlugin>,
        public IObjectSafetyImpl<CGPAXPlugin, INTERFACESAFE_FOR_UNTRUSTED_CALLER | INTERFACESAFE_FOR_UNTRUSTED_DATA>

{
public:
        CGPAXPlugin() {
                m_term = NULL;
                m_bAutoStart = GF_TRUE;
                m_bInitialDraw = GF_TRUE;
                m_bWindowOnly = GF_TRUE;  //to declare that the control is a window control in order
                //to inherit the member variable m_hWnd which contains the window handler
                m_bIsConnected = GF_FALSE;
                m_bUse3D = GF_FALSE;
                m_bUseGUI = GF_FALSE;
                m_iDownload_progress = 0;
                m_AR = GF_ASPECT_RATIO_KEEP;
                m_url[0] = 0;
                m_pLogs = NULL;
#ifndef _WIN32_WCE
                m_pBrowser = NULL;
#endif
                memset(&m_user, 0, sizeof(m_user));

                m_dwCurrentSafety = INTERFACESAFE_FOR_UNTRUSTED_CALLER | INTERFACESAFE_FOR_UNTRUSTED_DATA;
        }

        ~CGPAXPlugin();

        Bool EventProc(GF_Event *evt);

        BOOL PreTranslateMessage(MSG* pMsg);

        DECLARE_REGISTRY_RESOURCEID(IDR_GPAXPLUGIN)
        DECLARE_PROTECT_FINAL_CONSTRUCT()
#if (_MSC_VER >= 1300)
        DECLARE_OLEMISC_STATUS(OLEMISC_ACTSLIKEBUTTON | OLEMISC_ACTIVATEWHENVISIBLE)
#endif

        static LPCTSTR GetWindowClassName() {
                return TEXT("GPAC ActiveX");
        }

        BEGIN_COM_MAP(CGPAXPlugin)
        COM_INTERFACE_ENTRY(IGPAX)
        COM_INTERFACE_ENTRY(IDispatch)
        COM_INTERFACE_ENTRY(IViewObjectEx)
        COM_INTERFACE_ENTRY(IProvideClassInfo)
        COM_INTERFACE_ENTRY(IOleControl)
        COM_INTERFACE_ENTRY(IOleObject)

        COM_INTERFACE_ENTRY_IMPL(IViewObjectEx)
        COM_INTERFACE_ENTRY_IMPL_IID(IID_IViewObject2, IViewObjectEx)
        COM_INTERFACE_ENTRY_IMPL_IID(IID_IViewObject, IViewObjectEx)
        COM_INTERFACE_ENTRY_IMPL_IID(IID_IOleWindow, IOleInPlaceObjectWindowless)
        COM_INTERFACE_ENTRY_IMPL_IID(IID_IOleInPlaceObject, IOleInPlaceObjectWindowless)
        COM_INTERFACE_ENTRY_IMPL_IID(IID_IOleWindow, IOleInPlaceActiveObject)

        COM_INTERFACE_ENTRY_IMPL(IOleInPlaceActiveObject)
        COM_INTERFACE_ENTRY_IMPL(IOleInPlaceObjectWindowless)

//      COM_INTERFACE_ENTRY(IObjectSafety)
        COM_INTERFACE_ENTRY_IID(IID_IObjectSafety, IObjectSafety)
        COM_INTERFACE_ENTRY(IPersistPropertyBag)
        COM_INTERFACE_ENTRY_IMPL_IID(IID_IPersist, IPersistPropertyBag)

        /*      COM_INTERFACE_ENTRY(IViewObject)
            COM_INTERFACE_ENTRY(IViewObject2)
            COM_INTERFACE_ENTRY2(IOleWindow, IOleInPlaceObjectWindowless)
            COM_INTERFACE_ENTRY(IOleInPlaceObject)
                */

        COM_INTERFACE_ENTRY(IProvideClassInfo2)
        COM_INTERFACE_ENTRY(IPersistStreamInit)
        COM_INTERFACE_ENTRY2(IPersist, IPersistStreamInit)
        COM_INTERFACE_ENTRY(ISupportErrorInfo)
        COM_INTERFACE_ENTRY(IConnectionPointContainer)
        COM_INTERFACE_ENTRY(ISpecifyPropertyPages)
        COM_INTERFACE_ENTRY(IQuickActivate)
        COM_INTERFACE_ENTRY(IPersistStorage)
        COM_INTERFACE_ENTRY(IDataObject)

        END_COM_MAP()

        BEGIN_PROP_MAP(CGPAXPlugin)
        END_PROP_MAP()

        BEGIN_CONNECTION_POINT_MAP(CGPAXPlugin)
        CONNECTION_POINT_ENTRY(IID_IPropertyNotifySink)
        END_CONNECTION_POINT_MAP()

        BEGIN_MSG_MAP(CGPAXPlugin)
        CHAIN_MSG_MAP(CComControl<CGPAXPlugin>)
        DEFAULT_REFLECTION_HANDLER()
        MESSAGE_HANDLER(WM_CREATE, OnCreate)
        MESSAGE_HANDLER(WM_DESTROY, OnDestroy)

        END_MSG_MAP()
        // Handler prototypes:
        //  LRESULT MessageHandler(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
        //  LRESULT CommandHandler(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled);
        //  LRESULT NotifyHandler(int idCtrl, LPNMHDR pnmh, BOOL& bHandled);



        // ISupportsErrorInfo
        STDMETHOD(InterfaceSupportsErrorInfo)(REFIID riid)
        {
                static const IID* arr[] =
                {
                        &IID_IGPAX,
                };
                for (int i=0; i<sizeof(arr)/sizeof(arr[0]); i++)
                {
#if (_MSC_VER < 1300)
                        if (::ATL::InlineIsEqualGUID(*arr[i], riid))
#else
                        if (::InlineIsEqualGUID(*arr[i], riid))
#endif
                                return S_OK;
                }
                return S_FALSE;
        }
        STDMETHODIMP GetInterfaceSafetyOptions(
            REFIID riid,
            DWORD *pdwSupportedOptions,
            DWORD *pdwEnabledOptions
        );

        STDMETHODIMP SetInterfaceSafetyOptions(
            REFIID riid,
            DWORD dwOptionSetMask,
            DWORD dwEnabledOptions
        );

        // IViewObjectEx
        DECLARE_VIEW_STATUS(VIEWSTATUS_SOLIDBKGND | VIEWSTATUS_OPAQUE)

        // IGPAX
public:
        //Interface methods
        STDMETHOD(Stop)();
        STDMETHOD(Pause)();
        STDMETHOD(Play)();
        STDMETHOD(Update)(BSTR mtype,BSTR updates);
        STDMETHOD(QualitySwitch)(int switch_up);
        STDMETHOD(SetURL)(BSTR url);

        //Interface properties
        STDMETHODIMP get_src(BSTR *url);
        STDMETHODIMP put_src(BSTR url);
        STDMETHODIMP get_AutoStart(VARIANT_BOOL *as);
        STDMETHODIMP put_AutoStart(VARIANT_BOOL as);
        STDMETHODIMP get_DownloadProgress(INT *dp);
        STDMETHODIMP put_DownloadProgress(INT dp);

        //Customed Window Message functions: OnCreate and OnDestroy are called when a window
        //is created or destroyed. OnDraw is to establish inital connection.
        HRESULT OnDraw(ATL_DRAWINFO& di);
        LRESULT OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
        LRESULT OnDestroy(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);

        //IPersistPropertyBag method: to handle persist property packed and transfered by MSIE
        //in html doc, the ActiveX control is added by tags
        //   <object CLSID=...>
        //              <PARAM name="..." value="...">
        //   </object>
        //the interface IPersistPropertyBag enable MSIE and ActiveX Control to communicate these
        //properties included in tags <PARAM>
        STDMETHODIMP Load(LPPROPERTYBAG pPropBag, LPERRORLOG pErrorLog);
        STDMETHODIMP Save(LPPROPERTYBAG, BOOL, BOOL);


private:
        Bool ReadParamString(LPPROPERTYBAG pPropBag, LPERRORLOG pErrorLog, WCHAR *name, char *buf, int bufsize);
        void SetStatusText(char *msg);
        void UpdateURL();
        void UnloadTerm();
        void LoadDATAUrl();

        GF_Terminal *m_term;
        GF_User m_user;
        char m_url[MAXLEN_URL];
#ifndef _WIN32_WCE
        /*pointer to the parent browser if any*/
        IWebBrowser2 *m_pBrowser;
#endif

        u32 m_width, m_height, m_AR;
        Bool m_bIsConnected, m_bInitialDraw, m_bAutoStart, m_bUse3D, m_bLoop, m_bUseGUI;
        int m_iDownload_progress;
        FILE *m_pLogs;

};



#endif //__GPAXPLUGIN_H_
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root/applications/GPAX/GPAXPlugin.h

INCLUDED FROM
