/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/


#ifndef _INPROCEMBOBJ_HXX_
#define _INPROCEMBOBJ_HXX_

#pragma warning(disable : 4668)

#include <windows.h>
#include <oleidl.h>

#include "smartpointer.hxx"
#include "advisesink.hxx"

#define DEFAULT_ARRAY_LEN 256

namespace inprocserv {

enum InitModes {
    NOINIT,
    INIT_FROM_STORAGE,
    LOAD_FROM_STORAGE,
    LOAD_FROM_FILE
};

// ==================================
// this is a common baseclass that is used to count the objects
// ==================================
class InprocCountedObject_Impl
{
public:
    InprocCountedObject_Impl();
    ~InprocCountedObject_Impl();
};

// ==================================
// this is the inprocess embedded object implementation class
// ==================================
class InprocEmbedDocument_Impl : public InprocCountedObject_Impl
                               , public IOleObject
                               , public IDataObject
                               , public IPersistStorage
                               , public IPersistFile
                               , public IRunnableObject
                               , public IViewObject2
                               // , public IExternalConnection
                               , public IOleInPlaceObject
                               , public IDispatch
{
    ULONG m_refCount;
    BOOLEAN m_bDeleted;

    GUID  m_guid;

    ComSmart< IUnknown > m_pDefHandler;
    InitModes m_nInitMode;

    DWORD m_nFileOpenMode;
    wchar_t* m_pFileName;

    ComSmart< IStorage > m_pStorage;

    ComSmart< IOleClientSite > m_pClientSite;
    ComSmart< IOleContainer >  m_pOleContainer;

    ULONG m_nCallsOnStack;

    // the listeners have wrappers that are directly connected to the object and call the listeners,
    // the wrappers will be reconnected correctly to the new default inprocess holder object
    ComSmart< OleWrapperAdviseSink > m_pOleAdvises[DEFAULT_ARRAY_LEN];
    ComSmart< OleWrapperAdviseSink > m_pDataAdvises[DEFAULT_ARRAY_LEN];
    ComSmart< OleWrapperAdviseSink > m_pViewAdvise;

    class InternalCacheWrapper : public IOleCache2
    {
        InprocEmbedDocument_Impl& m_rOwnDocument;

        public:
        InternalCacheWrapper( InprocEmbedDocument_Impl& rOwnDocument )
        : m_rOwnDocument( rOwnDocument )
        {}

	    /* IUnknown methods */
	    STDMETHOD(QueryInterface)(REFIID riid, LPVOID FAR * ppvObj);
	    STDMETHOD_(ULONG, AddRef)();
	    STDMETHOD_(ULONG, Release)();

	    /* IOleCache2 methods */
        STDMETHOD(Cache)( FORMATETC *pformatetc, DWORD advf, DWORD *pdwConnection);
        STDMETHOD(Uncache)( DWORD dwConnection);
        STDMETHOD(EnumCache)( IEnumSTATDATA **ppenumSTATDATA);
        STDMETHOD(InitCache)( IDataObject *pDataObject);
        STDMETHOD(SetData)( FORMATETC *pformatetc, STGMEDIUM *pmedium, BOOL fRelease);
        STDMETHOD(UpdateCache)( LPDATAOBJECT pDataObject, DWORD grfUpdf, LPVOID pReserved);
        STDMETHOD(DiscardCache)( DWORD dwDiscardOptions);
    } m_aInternalCache;


    DWORD InsertAdviseLinkToList( const ComSmart<OleWrapperAdviseSink>& pOwnAdvise, ComSmart<  OleWrapperAdviseSink > pAdvises[] );
    void Clean();


public:

    InprocEmbedDocument_Impl( const GUID& guid )
    : m_refCount( 0 )
    , m_bDeleted( FALSE )
    , m_guid( guid )
    , m_nInitMode( NOINIT )
    , m_nFileOpenMode( 0 )
    , m_pFileName( NULL )
    , m_nCallsOnStack( 0 )
    , m_aInternalCache( *this )
    {}

    virtual ~InprocEmbedDocument_Impl()
    {}

    HRESULT Init();
    void SetName( LPCOLESTR pszNameFromOutside, wchar_t*& pOwnName );

    BOOL CheckDefHandler();
    ComSmart< IUnknown >& GetDefHandler() { return m_pDefHandler; }

	/* IUnknown methods */
	STDMETHOD(QueryInterface)(REFIID riid, LPVOID FAR * ppvObj);
	STDMETHOD_(ULONG, AddRef)();
	STDMETHOD_(ULONG, Release)();

	/* IOleObject methods */
	STDMETHOD(SetClientSite) ( IOleClientSite* pSite );
	STDMETHOD(GetClientSite) ( IOleClientSite** pSite );
    STDMETHOD(SetHostNames) ( LPCOLESTR szContainerApp, LPCOLESTR szContainerObj );
    STDMETHOD(Close) ( DWORD dwSaveOption);
    STDMETHOD(SetMoniker) ( DWORD dwWhichMoniker, IMoniker *pmk );
    STDMETHOD(GetMoniker) ( DWORD dwAssign, DWORD dwWhichMoniker, IMoniker **ppmk );
    STDMETHOD(InitFromData) ( IDataObject *pDataObject, BOOL fCreation, DWORD dwReserved );
    STDMETHOD(GetClipboardData) ( DWORD dwReserved, IDataObject **ppDataObject );
    STDMETHOD(DoVerb) ( LONG iVerb, LPMSG lpmsg, IOleClientSite *pActiveSite, LONG lindex, HWND hwndParent, LPCRECT lprcPosRect );
    STDMETHOD(EnumVerbs) ( IEnumOLEVERB **ppEnumOleVerb );
    STDMETHOD(Update) ();
    STDMETHOD(IsUpToDate) ();
    STDMETHOD(GetUserClassID) ( CLSID *pClsid );
    STDMETHOD(GetUserType) ( DWORD dwFormOfType, LPOLESTR *pszUserType );
    STDMETHOD(SetExtent) ( DWORD dwDrawAspect, SIZEL *psizel );
    STDMETHOD(GetExtent) ( DWORD dwDrawAspect, SIZEL *psizel );
    STDMETHOD(Advise) ( IAdviseSink *pAdvSink, DWORD *pdwConnection );
    STDMETHOD(Unadvise) ( DWORD dwConnection );
    STDMETHOD(EnumAdvise) ( IEnumSTATDATA **ppenumAdvise );
    STDMETHOD(GetMiscStatus) ( DWORD dwAspect, DWORD *pdwStatus );
    STDMETHOD(SetColorScheme) ( LOGPALETTE *pLogpal );

	/* IDataObject methods */
	STDMETHOD(GetData) ( FORMATETC * pFormatetc, STGMEDIUM * pMedium );
	STDMETHOD(GetDataHere) ( FORMATETC * pFormatetc, STGMEDIUM * pMedium );
	STDMETHOD(QueryGetData) ( FORMATETC * pFormatetc );
	STDMETHOD(GetCanonicalFormatEtc) ( FORMATETC * pFormatetcIn, FORMATETC * pFormatetcOut );
	STDMETHOD(SetData) ( FORMATETC * pFormatetc, STGMEDIUM * pMedium, BOOL fRelease );
	STDMETHOD(EnumFormatEtc) ( DWORD dwDirection, IEnumFORMATETC ** ppFormatetc );
	STDMETHOD(DAdvise) ( FORMATETC * pFormatetc, DWORD advf, IAdviseSink * pAdvSink, DWORD * pdwConnection );
	STDMETHOD(DUnadvise) ( DWORD dwConnection );
	STDMETHOD(EnumDAdvise) ( IEnumSTATDATA ** ppenumAdvise );

	/* IPersistMethod */
	STDMETHOD(GetClassID)(CLSID *pClassID);

	/* IPersistStorage methods */
	STDMETHOD(IsDirty) ();
	STDMETHOD(InitNew) ( IStorage *pStg );
	STDMETHOD(Load) ( IStorage* pStr );
	STDMETHOD(Save) ( IStorage *pStgSave, BOOL fSameAsLoad );
	STDMETHOD(SaveCompleted) ( IStorage *pStgNew );
	STDMETHOD(HandsOffStorage) (void);

	/* IPersistFile methods */
	STDMETHOD(Load) ( LPCOLESTR pszFileName, DWORD dwMode );
	STDMETHOD(Save) ( LPCOLESTR pszFileName, BOOL fRemember );
	STDMETHOD(SaveCompleted) ( LPCOLESTR pszFileName );
	STDMETHOD(GetCurFile) ( LPOLESTR *ppszFileName );

	/* IRunnableObject methods */
    STDMETHOD(GetRunningClass) ( LPCLSID lpClsid);
    STDMETHOD(Run) ( LPBINDCTX pbc);
    virtual BOOL STDMETHODCALLTYPE IsRunning( void);
    STDMETHOD(LockRunning) ( BOOL fLock, BOOL fLastUnlockCloses );
    STDMETHOD(SetContainedObject) ( BOOL fContained);

	/* IViewObject2 methods */
    STDMETHOD(Draw)( DWORD dwDrawAspect, LONG lindex, void *pvAspect, DVTARGETDEVICE *ptd, HDC hdcTargetDev, HDC hdcDraw, LPCRECTL lprcBounds, LPCRECTL lprcWBounds, BOOL ( STDMETHODCALLTYPE *pfnContinue )( ULONG_PTR dwContinue ), ULONG_PTR dwContinue);
    STDMETHOD(GetColorSet)( DWORD dwDrawAspect, LONG lindex, void *pvAspect, DVTARGETDEVICE *ptd, HDC hicTargetDev, LOGPALETTE **ppColorSet);
    STDMETHOD(Freeze)( DWORD dwDrawAspect, LONG lindex, void *pvAspect, DWORD *pdwFreeze);
    STDMETHOD(Unfreeze)( DWORD dwFreeze);
    STDMETHOD(SetAdvise)( DWORD aspects, DWORD advf, IAdviseSink *pAdvSink);
    STDMETHOD(GetAdvise)( DWORD *pAspects, DWORD *pAdvf, IAdviseSink **ppAdvSink);
    STDMETHOD(GetExtent)( DWORD dwDrawAspect, LONG lindex, DVTARGETDEVICE *ptd, LPSIZEL lpsizel);

	/* IOleWindow methods */
    STDMETHOD(GetWindow)( HWND *phwnd);
    STDMETHOD(ContextSensitiveHelp)( BOOL fEnterMode);

	/* IOleInPlaceObject methods */
    STDMETHOD(InPlaceDeactivate)( void);
    STDMETHOD(UIDeactivate)( void);
    STDMETHOD(SetObjectRects)( LPCRECT lprcPosRect, LPCRECT lprcClipRect);
    STDMETHOD(ReactivateAndUndo)( void);

    /*IDispatch methods*/
    STDMETHOD(GetTypeInfoCount)( UINT *pctinfo);
    STDMETHOD(GetTypeInfo)( UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo);
    STDMETHOD(GetIDsOfNames)( REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId);
    STDMETHOD(Invoke)( DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr);
 
};

} // namespace inprocserv

#endif