| 1 | /* $Id: oleobj.c,v 1.2 2001-09-05 13:17:11 bird Exp $ */
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| 2 | /*
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| 3 | * OLE2 COM objects
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| 4 | *
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| 5 | * Copyright 1998 Eric Kohl
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| 6 | * Copyright 1999 Francis Beaudet
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| 7 | */
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| 8 |
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| 9 |
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| 10 | #include <string.h>
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| 11 | #include "winbase.h"
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| 12 | #include "winerror.h"
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| 13 | #include "debugtools.h"
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| 14 | #include "oleidl.h"
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| 15 |
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| 16 | DEFAULT_DEBUG_CHANNEL(ole);
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| 17 |
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| 18 | #define INITIAL_SINKS 10
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| 19 |
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| 20 | /**************************************************************************
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| 21 | * OleAdviseHolderImpl Implementation
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| 22 | */
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| 23 | typedef struct OleAdviseHolderImpl
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| 24 | {
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| 25 | ICOM_VFIELD(IOleAdviseHolder);
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| 26 |
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| 27 | DWORD ref;
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| 28 |
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| 29 | DWORD maxSinks;
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| 30 | IAdviseSink** arrayOfSinks;
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| 31 |
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| 32 | } OleAdviseHolderImpl;
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| 33 |
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| 34 | static LPOLEADVISEHOLDER OleAdviseHolderImpl_Constructor();
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| 35 | static void OleAdviseHolderImpl_Destructor(OleAdviseHolderImpl* ptrToDestroy);
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| 36 | static HRESULT WINAPI OleAdviseHolderImpl_QueryInterface(LPOLEADVISEHOLDER,REFIID,LPVOID*);
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| 37 | static ULONG WINAPI OleAdviseHolderImpl_AddRef(LPOLEADVISEHOLDER);
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| 38 | static ULONG WINAPI OleAdviseHolderImpl_Release(LPOLEADVISEHOLDER);
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| 39 | static HRESULT WINAPI OleAdviseHolderImpl_Advise(LPOLEADVISEHOLDER, IAdviseSink*, DWORD*);
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| 40 | static HRESULT WINAPI OleAdviseHolderImpl_Unadvise (LPOLEADVISEHOLDER, DWORD);
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| 41 | static HRESULT WINAPI OleAdviseHolderImpl_EnumAdvise (LPOLEADVISEHOLDER, IEnumSTATDATA **);
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| 42 | static HRESULT WINAPI OleAdviseHolderImpl_SendOnRename (LPOLEADVISEHOLDER, IMoniker *);
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| 43 | static HRESULT WINAPI OleAdviseHolderImpl_SendOnSave (LPOLEADVISEHOLDER);
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| 44 | static HRESULT WINAPI OleAdviseHolderImpl_SendOnClose (LPOLEADVISEHOLDER);
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| 45 |
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| 46 |
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| 47 | /**************************************************************************
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| 48 | * OleAdviseHolderImpl_VTable
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| 49 | */
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| 50 | static struct ICOM_VTABLE(IOleAdviseHolder) oahvt =
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| 51 | {
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| 52 | ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
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| 53 | OleAdviseHolderImpl_QueryInterface,
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| 54 | OleAdviseHolderImpl_AddRef,
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| 55 | OleAdviseHolderImpl_Release,
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| 56 | OleAdviseHolderImpl_Advise,
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| 57 | OleAdviseHolderImpl_Unadvise,
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| 58 | OleAdviseHolderImpl_EnumAdvise,
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| 59 | OleAdviseHolderImpl_SendOnRename,
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| 60 | OleAdviseHolderImpl_SendOnSave,
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| 61 | OleAdviseHolderImpl_SendOnClose
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| 62 | };
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| 63 |
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| 64 | /**************************************************************************
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| 65 | * OleAdviseHolderImpl_Constructor
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| 66 | */
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| 67 |
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| 68 | static LPOLEADVISEHOLDER OleAdviseHolderImpl_Constructor()
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| 69 | {
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| 70 | OleAdviseHolderImpl* lpoah;
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| 71 | DWORD index;
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| 72 |
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| 73 | lpoah= (OleAdviseHolderImpl*)HeapAlloc(GetProcessHeap(),
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| 74 | 0,
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| 75 | sizeof(OleAdviseHolderImpl));
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| 76 |
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| 77 | ICOM_VTBL(lpoah) = &oahvt;
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| 78 | lpoah->ref = 1;
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| 79 | lpoah->maxSinks = INITIAL_SINKS;
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| 80 | lpoah->arrayOfSinks = HeapAlloc(GetProcessHeap(),
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| 81 | 0,
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| 82 | lpoah->maxSinks * sizeof(IAdviseSink*));
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| 83 |
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| 84 | for (index = 0; index < lpoah->maxSinks; index++)
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| 85 | lpoah->arrayOfSinks[index]=0;
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| 86 |
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| 87 | TRACE("returning %p\n", lpoah);
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| 88 | return (LPOLEADVISEHOLDER)lpoah;
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| 89 | }
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| 90 |
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| 91 | /**************************************************************************
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| 92 | * OleAdviseHolderImpl_Destructor
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| 93 | */
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| 94 | static void OleAdviseHolderImpl_Destructor(
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| 95 | OleAdviseHolderImpl* ptrToDestroy)
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| 96 | {
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| 97 | DWORD index;
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| 98 | TRACE("%p\n", ptrToDestroy);
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| 99 |
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| 100 | for (index = 0; index < ptrToDestroy->maxSinks; index++)
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| 101 | {
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| 102 | if (ptrToDestroy->arrayOfSinks[index]!=0)
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| 103 | {
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| 104 | IAdviseSink_Release(ptrToDestroy->arrayOfSinks[index]);
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| 105 | ptrToDestroy->arrayOfSinks[index] = NULL;
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| 106 | }
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| 107 | }
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| 108 |
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| 109 | HeapFree(GetProcessHeap(),
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| 110 | 0,
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| 111 | ptrToDestroy->arrayOfSinks);
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| 112 |
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| 113 |
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| 114 | HeapFree(GetProcessHeap(),
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| 115 | 0,
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| 116 | ptrToDestroy);
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| 117 | }
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| 118 |
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| 119 | /**************************************************************************
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| 120 | * OleAdviseHolderImpl_QueryInterface
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| 121 | */
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| 122 | static HRESULT WINAPI OleAdviseHolderImpl_QueryInterface(
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| 123 | LPOLEADVISEHOLDER iface,
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| 124 | REFIID riid,
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| 125 | LPVOID* ppvObj)
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| 126 | {
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| 127 | ICOM_THIS(OleAdviseHolderImpl, iface);
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| 128 | TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(riid),ppvObj);
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| 129 | /*
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| 130 | * Sanity check
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| 131 | */
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| 132 | if (ppvObj==NULL)
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| 133 | return E_POINTER;
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| 134 |
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| 135 | *ppvObj = NULL;
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| 136 |
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| 137 | if (IsEqualIID(riid, &IID_IUnknown))
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| 138 | {
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| 139 | /* IUnknown */
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| 140 | *ppvObj = This;
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| 141 | }
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| 142 | else if(IsEqualIID(riid, &IID_IOleAdviseHolder))
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| 143 | {
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| 144 | /* IOleAdviseHolder */
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| 145 | *ppvObj = (IOleAdviseHolder*) This;
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| 146 | }
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| 147 |
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| 148 | if(*ppvObj == NULL)
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| 149 | return E_NOINTERFACE;
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| 150 |
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| 151 | /*
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| 152 | * A successful QI always increments the reference count.
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| 153 | */
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| 154 | IUnknown_AddRef((IUnknown*)*ppvObj);
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| 155 |
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| 156 | return S_OK;
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| 157 | }
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| 158 |
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| 159 | /******************************************************************************
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| 160 | * OleAdviseHolderImpl_AddRef
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| 161 | */
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| 162 | static ULONG WINAPI OleAdviseHolderImpl_AddRef(
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| 163 | LPOLEADVISEHOLDER iface)
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| 164 | {
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| 165 | ICOM_THIS(OleAdviseHolderImpl, iface);
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| 166 | TRACE("(%p)->(ref=%ld)\n", This, This->ref);
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| 167 | return ++(This->ref);
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| 168 | }
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| 169 |
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| 170 | /******************************************************************************
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| 171 | * OleAdviseHolderImpl_Release
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| 172 | */
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| 173 | static ULONG WINAPI OleAdviseHolderImpl_Release(
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| 174 | LPOLEADVISEHOLDER iface)
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| 175 | {
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| 176 | ICOM_THIS(OleAdviseHolderImpl, iface);
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| 177 | TRACE("(%p)->(ref=%ld)\n", This, This->ref);
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| 178 | This->ref--;
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| 179 |
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| 180 | if (This->ref == 0)
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| 181 | {
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| 182 | OleAdviseHolderImpl_Destructor(This);
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| 183 |
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| 184 | return 0;
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| 185 | }
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| 186 |
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| 187 | return This->ref;
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| 188 | }
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| 189 |
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| 190 | /******************************************************************************
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| 191 | * OleAdviseHolderImpl_Advise
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| 192 | */
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| 193 | static HRESULT WINAPI OleAdviseHolderImpl_Advise(
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| 194 | LPOLEADVISEHOLDER iface,
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| 195 | IAdviseSink* pAdvise,
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| 196 | DWORD* pdwConnection)
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| 197 | {
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| 198 | DWORD index;
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| 199 |
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| 200 | ICOM_THIS(OleAdviseHolderImpl, iface);
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| 201 |
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| 202 | TRACE("(%p)->(%p, %p)\n", This, pAdvise, pdwConnection);
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| 203 |
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| 204 | /*
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| 205 | * Sanity check
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| 206 | */
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| 207 | if (pdwConnection==NULL)
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| 208 | return E_POINTER;
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| 209 |
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| 210 | *pdwConnection = 0;
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| 211 |
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| 212 | /*
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| 213 | * Find a free spot in the array.
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| 214 | */
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| 215 | for (index = 0; index < This->maxSinks; index++)
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| 216 | {
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| 217 | if (This->arrayOfSinks[index]==NULL)
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| 218 | break;
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| 219 | }
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| 220 |
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| 221 | /*
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| 222 | * If the array is full, we need to grow it.
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| 223 | */
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| 224 | if (index == This->maxSinks)
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| 225 | {
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| 226 | DWORD i;
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| 227 |
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| 228 | This->maxSinks+=INITIAL_SINKS;
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| 229 |
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| 230 | This->arrayOfSinks = HeapReAlloc(GetProcessHeap(),
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| 231 | 0,
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| 232 | This->arrayOfSinks,
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| 233 | This->maxSinks*sizeof(IAdviseSink*));
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| 234 |
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| 235 | for (i=index;i < This->maxSinks; i++)
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| 236 | This->arrayOfSinks[i]=0;
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| 237 | }
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| 238 |
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| 239 | /*
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| 240 | * Store the new sink
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| 241 | */
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| 242 | This->arrayOfSinks[index] = pAdvise;
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| 243 |
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| 244 | if (This->arrayOfSinks[index]!=NULL)
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| 245 | IAdviseSink_AddRef(This->arrayOfSinks[index]);
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| 246 |
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| 247 | /*
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| 248 | * Return the index as the cookie.
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| 249 | * Since 0 is not a valid cookie, we will increment by
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| 250 | * 1 the index in the table.
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| 251 | */
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| 252 | *pdwConnection = index+1;
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| 253 |
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| 254 | return S_OK;
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| 255 | }
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| 256 |
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| 257 | /******************************************************************************
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| 258 | * OleAdviseHolderImpl_Unadvise
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| 259 | */
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| 260 | static HRESULT WINAPI OleAdviseHolderImpl_Unadvise(
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| 261 | LPOLEADVISEHOLDER iface,
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| 262 | DWORD dwConnection)
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| 263 | {
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| 264 | ICOM_THIS(OleAdviseHolderImpl, iface);
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| 265 |
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| 266 | TRACE("(%p)->(%lu)\n", This, dwConnection);
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| 267 |
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| 268 | /*
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| 269 | * So we don't return 0 as a cookie, the index was
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| 270 | * incremented by 1 in OleAdviseHolderImpl_Advise
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| 271 | * we have to compensate.
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| 272 | */
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| 273 | dwConnection--;
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| 274 |
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| 275 | /*
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| 276 | * Check for invalid cookies.
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| 277 | */
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| 278 | if ( (dwConnection < 0) ||
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| 279 | (dwConnection >= This->maxSinks) )
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| 280 | return OLE_E_NOCONNECTION;
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| 281 |
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| 282 | if (This->arrayOfSinks[dwConnection] == NULL)
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| 283 | return OLE_E_NOCONNECTION;
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| 284 |
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| 285 | /*
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| 286 | * Release the sink and mark the spot in the list as free.
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| 287 | */
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| 288 | IAdviseSink_Release(This->arrayOfSinks[dwConnection]);
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| 289 | This->arrayOfSinks[dwConnection] = NULL;
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| 290 |
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| 291 | return S_OK;
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| 292 | }
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| 293 |
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| 294 | /******************************************************************************
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| 295 | * OleAdviseHolderImpl_EnumAdvise
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| 296 | */
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| 297 | static HRESULT WINAPI
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| 298 | OleAdviseHolderImpl_EnumAdvise (LPOLEADVISEHOLDER iface, IEnumSTATDATA **ppenumAdvise)
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| 299 | {
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| 300 | ICOM_THIS(OleAdviseHolderImpl, iface);
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| 301 | FIXME("(%p)->(%p)\n", This, ppenumAdvise);
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| 302 |
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| 303 | *ppenumAdvise = NULL;
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| 304 |
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| 305 | return S_OK;
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| 306 | }
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| 307 |
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| 308 | /******************************************************************************
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| 309 | * OleAdviseHolderImpl_SendOnRename
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| 310 | */
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| 311 | static HRESULT WINAPI
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| 312 | OleAdviseHolderImpl_SendOnRename (LPOLEADVISEHOLDER iface, IMoniker *pmk)
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| 313 | {
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| 314 | ICOM_THIS(OleAdviseHolderImpl, iface);
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| 315 | FIXME("(%p)->(%p)\n", This, pmk);
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| 316 |
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| 317 |
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| 318 | return S_OK;
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| 319 | }
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| 320 |
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| 321 | /******************************************************************************
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| 322 | * OleAdviseHolderImpl_SendOnSave
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| 323 | */
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| 324 | static HRESULT WINAPI
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| 325 | OleAdviseHolderImpl_SendOnSave (LPOLEADVISEHOLDER iface)
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| 326 | {
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| 327 | ICOM_THIS(OleAdviseHolderImpl, iface);
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| 328 | FIXME("(%p)\n", This);
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| 329 |
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| 330 | return S_OK;
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| 331 | }
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| 332 |
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| 333 | /******************************************************************************
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| 334 | * OleAdviseHolderImpl_SendOnClose
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| 335 | */
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| 336 | static HRESULT WINAPI
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| 337 | OleAdviseHolderImpl_SendOnClose (LPOLEADVISEHOLDER iface)
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| 338 | {
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| 339 | ICOM_THIS(OleAdviseHolderImpl, iface);
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| 340 | FIXME("(%p)\n", This);
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| 341 |
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| 342 |
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| 343 | return S_OK;
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| 344 | }
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| 345 |
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| 346 | /**************************************************************************
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| 347 | * DataAdviseHolder Implementation
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| 348 | */
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| 349 | typedef struct DataAdviseConnection {
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| 350 | IAdviseSink *sink;
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| 351 | FORMATETC fmat;
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| 352 | DWORD advf;
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| 353 | } DataAdviseConnection;
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| 354 |
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| 355 | typedef struct DataAdviseHolder
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| 356 | {
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| 357 | ICOM_VFIELD(IDataAdviseHolder);
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| 358 |
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| 359 | DWORD ref;
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| 360 | DWORD maxCons;
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| 361 | DataAdviseConnection* Connections;
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| 362 | } DataAdviseHolder;
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| 363 |
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| 364 | /**************************************************************************
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| 365 | * DataAdviseHolder method prototypes
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| 366 | */
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| 367 | static IDataAdviseHolder* DataAdviseHolder_Constructor();
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| 368 | static void DataAdviseHolder_Destructor(DataAdviseHolder* ptrToDestroy);
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| 369 | static HRESULT WINAPI DataAdviseHolder_QueryInterface(
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| 370 | IDataAdviseHolder* iface,
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| 371 | REFIID riid,
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| 372 | void** ppvObject);
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| 373 | static ULONG WINAPI DataAdviseHolder_AddRef(
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| 374 | IDataAdviseHolder* iface);
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| 375 | static ULONG WINAPI DataAdviseHolder_Release(
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| 376 | IDataAdviseHolder* iface);
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| 377 | static HRESULT WINAPI DataAdviseHolder_Advise(
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| 378 | IDataAdviseHolder* iface,
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| 379 | IDataObject* pDataObject,
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| 380 | FORMATETC* pFetc,
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| 381 | DWORD advf,
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| 382 | IAdviseSink* pAdvise,
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| 383 | DWORD* pdwConnection);
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| 384 | static HRESULT WINAPI DataAdviseHolder_Unadvise(
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| 385 | IDataAdviseHolder* iface,
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| 386 | DWORD dwConnection);
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| 387 | static HRESULT WINAPI DataAdviseHolder_EnumAdvise(
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| 388 | IDataAdviseHolder* iface,
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| 389 | IEnumSTATDATA** ppenumAdvise);
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| 390 | static HRESULT WINAPI DataAdviseHolder_SendOnDataChange(
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| 391 | IDataAdviseHolder* iface,
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| 392 | IDataObject* pDataObject,
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| 393 | DWORD dwReserved,
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| 394 | DWORD advf);
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| 395 |
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| 396 | /**************************************************************************
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| 397 | * DataAdviseHolderImpl_VTable
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| 398 | */
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| 399 | static struct ICOM_VTABLE(IDataAdviseHolder) DataAdviseHolderImpl_VTable =
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| 400 | {
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| 401 | ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
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| 402 | DataAdviseHolder_QueryInterface,
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| 403 | DataAdviseHolder_AddRef,
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| 404 | DataAdviseHolder_Release,
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| 405 | DataAdviseHolder_Advise,
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| 406 | DataAdviseHolder_Unadvise,
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| 407 | DataAdviseHolder_EnumAdvise,
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| 408 | DataAdviseHolder_SendOnDataChange
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| 409 | };
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| 410 |
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| 411 | /******************************************************************************
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| 412 | * DataAdviseHolder_Constructor
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| 413 | */
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| 414 | static IDataAdviseHolder* DataAdviseHolder_Constructor()
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| 415 | {
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| 416 | DataAdviseHolder* newHolder;
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| 417 |
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| 418 | newHolder = (DataAdviseHolder*)HeapAlloc(GetProcessHeap(),
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| 419 | 0,
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| 420 | sizeof(DataAdviseHolder));
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| 421 |
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| 422 | ICOM_VTBL(newHolder) = &DataAdviseHolderImpl_VTable;
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| 423 | newHolder->ref = 1;
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| 424 | newHolder->maxCons = INITIAL_SINKS;
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| 425 | newHolder->Connections = HeapAlloc(GetProcessHeap(),
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| 426 | HEAP_ZERO_MEMORY,
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| 427 | newHolder->maxCons *
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| 428 | sizeof(DataAdviseConnection));
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| 429 |
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| 430 | TRACE("returning %p\n", newHolder);
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| 431 | return (IDataAdviseHolder*)newHolder;
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| 432 | }
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| 433 |
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| 434 | /******************************************************************************
|
|---|
| 435 | * DataAdviseHolder_Destructor
|
|---|
| 436 | */
|
|---|
| 437 | static void DataAdviseHolder_Destructor(DataAdviseHolder* ptrToDestroy)
|
|---|
| 438 | {
|
|---|
| 439 | DWORD index;
|
|---|
| 440 | TRACE("%p\n", ptrToDestroy);
|
|---|
| 441 |
|
|---|
| 442 | for (index = 0; index < ptrToDestroy->maxCons; index++)
|
|---|
| 443 | {
|
|---|
| 444 | if (ptrToDestroy->Connections[index].sink != NULL)
|
|---|
| 445 | {
|
|---|
| 446 | IAdviseSink_Release(ptrToDestroy->Connections[index].sink);
|
|---|
| 447 | ptrToDestroy->Connections[index].sink = NULL;
|
|---|
| 448 | }
|
|---|
| 449 | }
|
|---|
| 450 |
|
|---|
| 451 | HeapFree(GetProcessHeap(), 0, ptrToDestroy->Connections);
|
|---|
| 452 | HeapFree(GetProcessHeap(), 0, ptrToDestroy);
|
|---|
| 453 | }
|
|---|
| 454 |
|
|---|
| 455 | /************************************************************************
|
|---|
| 456 | * DataAdviseHolder_QueryInterface (IUnknown)
|
|---|
| 457 | *
|
|---|
| 458 | * See Windows documentation for more details on IUnknown methods.
|
|---|
| 459 | */
|
|---|
| 460 | static HRESULT WINAPI DataAdviseHolder_QueryInterface(
|
|---|
| 461 | IDataAdviseHolder* iface,
|
|---|
| 462 | REFIID riid,
|
|---|
| 463 | void** ppvObject)
|
|---|
| 464 | {
|
|---|
| 465 | ICOM_THIS(DataAdviseHolder, iface);
|
|---|
| 466 | TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(riid),ppvObject);
|
|---|
| 467 | /*
|
|---|
| 468 | * Perform a sanity check on the parameters.
|
|---|
| 469 | */
|
|---|
| 470 | if ( (This==0) || (ppvObject==0) )
|
|---|
| 471 | return E_INVALIDARG;
|
|---|
| 472 |
|
|---|
| 473 | /*
|
|---|
| 474 | * Initialize the return parameter.
|
|---|
| 475 | */
|
|---|
| 476 | *ppvObject = 0;
|
|---|
| 477 |
|
|---|
| 478 | /*
|
|---|
| 479 | * Compare the riid with the interface IDs implemented by this object.
|
|---|
| 480 | */
|
|---|
| 481 | if ( (memcmp(&IID_IUnknown, riid, sizeof(IID_IUnknown)) == 0) ||
|
|---|
| 482 | (memcmp(&IID_IDataAdviseHolder, riid, sizeof(IID_IDataAdviseHolder)) == 0) )
|
|---|
| 483 | {
|
|---|
| 484 | *ppvObject = iface;
|
|---|
| 485 | }
|
|---|
| 486 |
|
|---|
| 487 | /*
|
|---|
| 488 | * Check that we obtained an interface.
|
|---|
| 489 | */
|
|---|
| 490 | if ((*ppvObject)==0)
|
|---|
| 491 | {
|
|---|
| 492 | return E_NOINTERFACE;
|
|---|
| 493 | }
|
|---|
| 494 |
|
|---|
| 495 | /*
|
|---|
| 496 | * Query Interface always increases the reference count by one when it is
|
|---|
| 497 | * successful.
|
|---|
| 498 | */
|
|---|
| 499 | IUnknown_AddRef((IUnknown*)*ppvObject);
|
|---|
| 500 |
|
|---|
| 501 | return S_OK;;
|
|---|
| 502 | }
|
|---|
| 503 |
|
|---|
| 504 | /************************************************************************
|
|---|
| 505 | * DataAdviseHolder_AddRef (IUnknown)
|
|---|
| 506 | *
|
|---|
| 507 | * See Windows documentation for more details on IUnknown methods.
|
|---|
| 508 | */
|
|---|
| 509 | static ULONG WINAPI DataAdviseHolder_AddRef(
|
|---|
| 510 | IDataAdviseHolder* iface)
|
|---|
| 511 | {
|
|---|
| 512 | ICOM_THIS(DataAdviseHolder, iface);
|
|---|
| 513 | TRACE("(%p) (ref=%ld)\n", This, This->ref);
|
|---|
| 514 | This->ref++;
|
|---|
| 515 |
|
|---|
| 516 | return This->ref;
|
|---|
| 517 | }
|
|---|
| 518 |
|
|---|
| 519 | /************************************************************************
|
|---|
| 520 | * DataAdviseHolder_Release (IUnknown)
|
|---|
| 521 | *
|
|---|
| 522 | * See Windows documentation for more details on IUnknown methods.
|
|---|
| 523 | */
|
|---|
| 524 | static ULONG WINAPI DataAdviseHolder_Release(
|
|---|
| 525 | IDataAdviseHolder* iface)
|
|---|
| 526 | {
|
|---|
| 527 | ICOM_THIS(DataAdviseHolder, iface);
|
|---|
| 528 | TRACE("(%p) (ref=%ld)\n", This, This->ref);
|
|---|
| 529 |
|
|---|
| 530 | /*
|
|---|
| 531 | * Decrease the reference count on this object.
|
|---|
| 532 | */
|
|---|
| 533 | This->ref--;
|
|---|
| 534 |
|
|---|
| 535 | /*
|
|---|
| 536 | * If the reference count goes down to 0, perform suicide.
|
|---|
| 537 | */
|
|---|
| 538 | if (This->ref==0)
|
|---|
| 539 | {
|
|---|
| 540 | DataAdviseHolder_Destructor(This);
|
|---|
| 541 |
|
|---|
| 542 | return 0;
|
|---|
| 543 | }
|
|---|
| 544 |
|
|---|
| 545 | return This->ref;
|
|---|
| 546 | }
|
|---|
| 547 |
|
|---|
| 548 | /************************************************************************
|
|---|
| 549 | * DataAdviseHolder_Advise
|
|---|
| 550 | *
|
|---|
| 551 | */
|
|---|
| 552 | static HRESULT WINAPI DataAdviseHolder_Advise(
|
|---|
| 553 | IDataAdviseHolder* iface,
|
|---|
| 554 | IDataObject* pDataObject,
|
|---|
| 555 | FORMATETC* pFetc,
|
|---|
| 556 | DWORD advf,
|
|---|
| 557 | IAdviseSink* pAdvise,
|
|---|
| 558 | DWORD* pdwConnection)
|
|---|
| 559 | {
|
|---|
| 560 | DWORD index;
|
|---|
| 561 |
|
|---|
| 562 | ICOM_THIS(DataAdviseHolder, iface);
|
|---|
| 563 |
|
|---|
| 564 | TRACE("(%p)->(%p, %p, %08lx, %p, %p)\n", This, pDataObject, pFetc, advf,
|
|---|
| 565 | pAdvise, pdwConnection);
|
|---|
| 566 | /*
|
|---|
| 567 | * Sanity check
|
|---|
| 568 | */
|
|---|
| 569 | if (pdwConnection==NULL)
|
|---|
| 570 | return E_POINTER;
|
|---|
| 571 |
|
|---|
| 572 | *pdwConnection = 0;
|
|---|
| 573 |
|
|---|
| 574 | /*
|
|---|
| 575 | * Find a free spot in the array.
|
|---|
| 576 | */
|
|---|
| 577 | for (index = 0; index < This->maxCons; index++)
|
|---|
| 578 | {
|
|---|
| 579 | if (This->Connections[index].sink == NULL)
|
|---|
| 580 | break;
|
|---|
| 581 | }
|
|---|
| 582 |
|
|---|
| 583 | /*
|
|---|
| 584 | * If the array is full, we need to grow it.
|
|---|
| 585 | */
|
|---|
| 586 | if (index == This->maxCons)
|
|---|
| 587 | {
|
|---|
| 588 | This->maxCons+=INITIAL_SINKS;
|
|---|
| 589 | This->Connections = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
|
|---|
| 590 | This->Connections,
|
|---|
| 591 | This->maxCons*sizeof(DataAdviseConnection));
|
|---|
| 592 | }
|
|---|
| 593 | /*
|
|---|
| 594 | * Store the new sink
|
|---|
| 595 | */
|
|---|
| 596 | This->Connections[index].sink = pAdvise;
|
|---|
| 597 | memcpy(&(This->Connections[index].fmat), pFetc, sizeof(FORMATETC));
|
|---|
| 598 | This->Connections[index].advf = advf;
|
|---|
| 599 |
|
|---|
| 600 | if (This->Connections[index].sink != NULL) {
|
|---|
| 601 | IAdviseSink_AddRef(This->Connections[index].sink);
|
|---|
| 602 | if(advf & ADVF_PRIMEFIRST) {
|
|---|
| 603 | DataAdviseHolder_SendOnDataChange(iface, pDataObject, 0, advf);
|
|---|
| 604 | }
|
|---|
| 605 | }
|
|---|
| 606 | /*
|
|---|
| 607 | * Return the index as the cookie.
|
|---|
| 608 | * Since 0 is not a valid cookie, we will increment by
|
|---|
| 609 | * 1 the index in the table.
|
|---|
| 610 | */
|
|---|
| 611 | *pdwConnection = index+1;
|
|---|
| 612 |
|
|---|
| 613 | return S_OK;
|
|---|
| 614 | }
|
|---|
| 615 |
|
|---|
| 616 | /******************************************************************************
|
|---|
| 617 | * DataAdviseHolder_Unadvise
|
|---|
| 618 | */
|
|---|
| 619 | static HRESULT WINAPI DataAdviseHolder_Unadvise(
|
|---|
| 620 | IDataAdviseHolder* iface,
|
|---|
| 621 | DWORD dwConnection)
|
|---|
| 622 | {
|
|---|
| 623 | ICOM_THIS(DataAdviseHolder, iface);
|
|---|
| 624 |
|
|---|
| 625 | TRACE("(%p)->(%lu)\n", This, dwConnection);
|
|---|
| 626 |
|
|---|
| 627 | /*
|
|---|
| 628 | * So we don't return 0 as a cookie, the index was
|
|---|
| 629 | * incremented by 1 in OleAdviseHolderImpl_Advise
|
|---|
| 630 | * we have to compensate.
|
|---|
| 631 | */
|
|---|
| 632 | dwConnection--;
|
|---|
| 633 |
|
|---|
| 634 | /*
|
|---|
| 635 | * Check for invalid cookies.
|
|---|
| 636 | */
|
|---|
| 637 | if ( (dwConnection < 0) ||
|
|---|
| 638 | (dwConnection >= This->maxCons) )
|
|---|
| 639 | return OLE_E_NOCONNECTION;
|
|---|
| 640 |
|
|---|
| 641 | if (This->Connections[dwConnection].sink == NULL)
|
|---|
| 642 | return OLE_E_NOCONNECTION;
|
|---|
| 643 |
|
|---|
| 644 | /*
|
|---|
| 645 | * Release the sink and mark the spot in the list as free.
|
|---|
| 646 | */
|
|---|
| 647 | IAdviseSink_Release(This->Connections[dwConnection].sink);
|
|---|
| 648 | memset(&(This->Connections[dwConnection]), 0, sizeof(DataAdviseConnection));
|
|---|
| 649 | return S_OK;
|
|---|
| 650 | }
|
|---|
| 651 |
|
|---|
| 652 | static HRESULT WINAPI DataAdviseHolder_EnumAdvise(
|
|---|
| 653 | IDataAdviseHolder* iface,
|
|---|
| 654 | IEnumSTATDATA** ppenumAdvise)
|
|---|
| 655 | {
|
|---|
| 656 | ICOM_THIS(DataAdviseHolder, iface);
|
|---|
| 657 |
|
|---|
| 658 | FIXME("(%p)->(%p)\n", This, ppenumAdvise);
|
|---|
| 659 | return E_NOTIMPL;
|
|---|
| 660 | }
|
|---|
| 661 |
|
|---|
| 662 | /******************************************************************************
|
|---|
| 663 | * DataAdviseHolder_SendOnDataChange
|
|---|
| 664 | */
|
|---|
| 665 | static HRESULT WINAPI DataAdviseHolder_SendOnDataChange(
|
|---|
| 666 | IDataAdviseHolder* iface,
|
|---|
| 667 | IDataObject* pDataObject,
|
|---|
| 668 | DWORD dwReserved,
|
|---|
| 669 | DWORD advf)
|
|---|
| 670 | {
|
|---|
| 671 | ICOM_THIS(DataAdviseHolder, iface);
|
|---|
| 672 | DWORD index;
|
|---|
| 673 | STGMEDIUM stg;
|
|---|
| 674 | HRESULT res;
|
|---|
| 675 |
|
|---|
| 676 | TRACE("(%p)->(%p,%08lx,%08lx)\n", This, pDataObject, dwReserved, advf);
|
|---|
| 677 |
|
|---|
| 678 | for(index = 0; index < This->maxCons; index++) {
|
|---|
| 679 | if(This->Connections[index].sink != NULL) {
|
|---|
| 680 | if(!(This->Connections[index].advf & ADVF_NODATA)) {
|
|---|
| 681 | TRACE("Calling IDataObject_GetData\n");
|
|---|
| 682 | res = IDataObject_GetData(pDataObject,
|
|---|
| 683 | &(This->Connections[index].fmat),
|
|---|
| 684 | &stg);
|
|---|
| 685 | TRACE("returns %08lx\n", res);
|
|---|
| 686 | }
|
|---|
| 687 | TRACE("Calling IAdviseSink_OnDataChange\n");
|
|---|
| 688 | IAdviseSink_OnDataChange(This->Connections[index].sink,
|
|---|
| 689 | &(This->Connections[index].fmat),
|
|---|
| 690 | &stg);
|
|---|
| 691 | TRACE("Done IAdviseSink_OnDataChange\n");
|
|---|
| 692 | if(This->Connections[index].advf & ADVF_ONLYONCE) {
|
|---|
| 693 | TRACE("Removing connection\n");
|
|---|
| 694 | DataAdviseHolder_Unadvise(iface, index+1);
|
|---|
| 695 | }
|
|---|
| 696 | }
|
|---|
| 697 | }
|
|---|
| 698 | return S_OK;
|
|---|
| 699 | }
|
|---|
| 700 |
|
|---|
| 701 | /***********************************************************************
|
|---|
| 702 | * API functions
|
|---|
| 703 | */
|
|---|
| 704 |
|
|---|
| 705 | /***********************************************************************
|
|---|
| 706 | * CreateOleAdviseHolder [OLE32.59]
|
|---|
| 707 | */
|
|---|
| 708 | HRESULT WINAPI CreateOleAdviseHolder(
|
|---|
| 709 | LPOLEADVISEHOLDER *ppOAHolder)
|
|---|
| 710 | {
|
|---|
| 711 | TRACE("(%p)\n", ppOAHolder);
|
|---|
| 712 |
|
|---|
| 713 | /*
|
|---|
| 714 | * Sanity check,
|
|---|
| 715 | */
|
|---|
| 716 | if (ppOAHolder==NULL)
|
|---|
| 717 | return E_POINTER;
|
|---|
| 718 |
|
|---|
| 719 | *ppOAHolder = OleAdviseHolderImpl_Constructor ();
|
|---|
| 720 |
|
|---|
| 721 | if (*ppOAHolder != NULL)
|
|---|
| 722 | return S_OK;
|
|---|
| 723 |
|
|---|
| 724 | return E_OUTOFMEMORY;
|
|---|
| 725 | }
|
|---|
| 726 |
|
|---|
| 727 | /******************************************************************************
|
|---|
| 728 | * CreateDataAdviseHolder [OLE32.53]
|
|---|
| 729 | */
|
|---|
| 730 | HRESULT WINAPI CreateDataAdviseHolder(
|
|---|
| 731 | LPDATAADVISEHOLDER* ppDAHolder)
|
|---|
| 732 | {
|
|---|
| 733 | TRACE("(%p)\n", ppDAHolder);
|
|---|
| 734 |
|
|---|
| 735 | /*
|
|---|
| 736 | * Sanity check,
|
|---|
| 737 | */
|
|---|
| 738 | if (ppDAHolder==NULL)
|
|---|
| 739 | return E_POINTER;
|
|---|
| 740 |
|
|---|
| 741 | *ppDAHolder = DataAdviseHolder_Constructor();
|
|---|
| 742 |
|
|---|
| 743 | if (*ppDAHolder != NULL)
|
|---|
| 744 | return S_OK;
|
|---|
| 745 |
|
|---|
| 746 | return E_OUTOFMEMORY;
|
|---|
| 747 | }
|
|---|
| 748 |
|
|---|