Sweden-Number/dlls/msctf/documentmgr.c

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/*
* ITfDocumentMgr implementation
*
* Copyright 2009 Aric Stewart, CodeWeavers
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <stdarg.h>
#define COBJMACROS
#include "wine/debug.h"
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "winuser.h"
#include "shlwapi.h"
#include "winerror.h"
#include "objbase.h"
#include "wine/unicode.h"
#include "msctf.h"
#include "msctf_internal.h"
WINE_DEFAULT_DEBUG_CHANNEL(msctf);
typedef struct tagDocumentMgr {
const ITfDocumentMgrVtbl *DocumentMgrVtbl;
const ITfSourceVtbl *SourceVtbl;
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LONG refCount;
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ITfContext* contextStack[2]; /* limit of 2 contexts */
ITfThreadMgrEventSink* ThreadMgrSink;
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} DocumentMgr;
static inline DocumentMgr *impl_from_ITfSourceVtbl(ITfSource *iface)
{
return (DocumentMgr *)((char *)iface - FIELD_OFFSET(DocumentMgr,SourceVtbl));
}
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static void DocumentMgr_Destructor(DocumentMgr *This)
{
TRACE("destroying %p\n", This);
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if (This->contextStack[0])
ITfContext_Release(This->contextStack[0]);
if (This->contextStack[1])
ITfContext_Release(This->contextStack[1]);
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HeapFree(GetProcessHeap(),0,This);
}
static HRESULT WINAPI DocumentMgr_QueryInterface(ITfDocumentMgr *iface, REFIID iid, LPVOID *ppvOut)
{
DocumentMgr *This = (DocumentMgr *)iface;
*ppvOut = NULL;
if (IsEqualIID(iid, &IID_IUnknown) || IsEqualIID(iid, &IID_ITfDocumentMgr))
{
*ppvOut = This;
}
else if (IsEqualIID(iid, &IID_ITfSource))
{
*ppvOut = &This->SourceVtbl;
}
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if (*ppvOut)
{
IUnknown_AddRef(iface);
return S_OK;
}
WARN("unsupported interface: %s\n", debugstr_guid(iid));
return E_NOINTERFACE;
}
static ULONG WINAPI DocumentMgr_AddRef(ITfDocumentMgr *iface)
{
DocumentMgr *This = (DocumentMgr *)iface;
return InterlockedIncrement(&This->refCount);
}
static ULONG WINAPI DocumentMgr_Release(ITfDocumentMgr *iface)
{
DocumentMgr *This = (DocumentMgr *)iface;
ULONG ret;
ret = InterlockedDecrement(&This->refCount);
if (ret == 0)
DocumentMgr_Destructor(This);
return ret;
}
/*****************************************************
* ITfDocumentMgr functions
*****************************************************/
static HRESULT WINAPI DocumentMgr_CreateContext(ITfDocumentMgr *iface,
TfClientId tidOwner,
DWORD dwFlags, IUnknown *punk, ITfContext **ppic,
TfEditCookie *pecTextStore)
{
DocumentMgr *This = (DocumentMgr *)iface;
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TRACE("(%p) 0x%x 0x%x %p %p %p\n",This,tidOwner,dwFlags,punk,ppic,pecTextStore);
return Context_Constructor(tidOwner, punk, ppic, pecTextStore);
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}
static HRESULT WINAPI DocumentMgr_Push(ITfDocumentMgr *iface, ITfContext *pic)
{
DocumentMgr *This = (DocumentMgr *)iface;
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ITfContext *check;
TRACE("(%p) %p\n",This,pic);
if (This->contextStack[1]) /* FUll */
return TF_E_STACKFULL;
if (!pic || FAILED(IUnknown_QueryInterface(pic,&IID_ITfContext,(LPVOID*) &check)))
return E_INVALIDARG;
if (This->contextStack[0] == NULL)
ITfThreadMgrEventSink_OnInitDocumentMgr(This->ThreadMgrSink,iface);
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This->contextStack[1] = This->contextStack[0];
This->contextStack[0] = check;
ITfThreadMgrEventSink_OnPushContext(This->ThreadMgrSink,check);
Context_Initialize(check);
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return S_OK;
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}
static HRESULT WINAPI DocumentMgr_Pop(ITfDocumentMgr *iface, DWORD dwFlags)
{
DocumentMgr *This = (DocumentMgr *)iface;
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TRACE("(%p) 0x%x\n",This,dwFlags);
if (dwFlags == TF_POPF_ALL)
{
if (This->contextStack[0])
{
ITfThreadMgrEventSink_OnPopContext(This->ThreadMgrSink,This->contextStack[0]);
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ITfContext_Release(This->contextStack[0]);
Context_Uninitialize(This->contextStack[0]);
}
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if (This->contextStack[1])
{
ITfThreadMgrEventSink_OnPopContext(This->ThreadMgrSink,This->contextStack[1]);
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ITfContext_Release(This->contextStack[1]);
Context_Uninitialize(This->contextStack[1]);
}
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This->contextStack[0] = This->contextStack[1] = NULL;
ITfThreadMgrEventSink_OnUninitDocumentMgr(This->ThreadMgrSink, iface);
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return S_OK;
}
if (dwFlags)
return E_INVALIDARG;
if (This->contextStack[1] == NULL) /* Cannot pop last context */
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return E_FAIL;
ITfThreadMgrEventSink_OnPopContext(This->ThreadMgrSink,This->contextStack[0]);
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ITfContext_Release(This->contextStack[0]);
Context_Uninitialize(This->contextStack[0]);
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This->contextStack[0] = This->contextStack[1];
This->contextStack[1] = NULL;
if (This->contextStack[0] == NULL)
ITfThreadMgrEventSink_OnUninitDocumentMgr(This->ThreadMgrSink, iface);
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return S_OK;
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}
static HRESULT WINAPI DocumentMgr_GetTop(ITfDocumentMgr *iface, ITfContext **ppic)
{
DocumentMgr *This = (DocumentMgr *)iface;
TRACE("(%p)\n",This);
if (!ppic)
return E_INVALIDARG;
if (This->contextStack[0])
ITfContext_AddRef(This->contextStack[0]);
*ppic = This->contextStack[0];
return S_OK;
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}
static HRESULT WINAPI DocumentMgr_GetBase(ITfDocumentMgr *iface, ITfContext **ppic)
{
DocumentMgr *This = (DocumentMgr *)iface;
ITfContext *tgt;
TRACE("(%p)\n",This);
if (!ppic)
return E_INVALIDARG;
if (This->contextStack[1])
tgt = This->contextStack[1];
else
tgt = This->contextStack[0];
if (tgt)
ITfContext_AddRef(tgt);
*ppic = tgt;
return S_OK;
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}
static HRESULT WINAPI DocumentMgr_EnumContexts(ITfDocumentMgr *iface, IEnumTfContexts **ppEnum)
{
DocumentMgr *This = (DocumentMgr *)iface;
FIXME("STUB:(%p)\n",This);
return E_NOTIMPL;
}
static const ITfDocumentMgrVtbl DocumentMgr_DocumentMgrVtbl =
{
DocumentMgr_QueryInterface,
DocumentMgr_AddRef,
DocumentMgr_Release,
DocumentMgr_CreateContext,
DocumentMgr_Push,
DocumentMgr_Pop,
DocumentMgr_GetTop,
DocumentMgr_GetBase,
DocumentMgr_EnumContexts
};
static HRESULT WINAPI Source_QueryInterface(ITfSource *iface, REFIID iid, LPVOID *ppvOut)
{
DocumentMgr *This = impl_from_ITfSourceVtbl(iface);
return DocumentMgr_QueryInterface((ITfDocumentMgr*)This, iid, *ppvOut);
}
static ULONG WINAPI Source_AddRef(ITfSource *iface)
{
DocumentMgr *This = impl_from_ITfSourceVtbl(iface);
return DocumentMgr_AddRef((ITfDocumentMgr*)This);
}
static ULONG WINAPI Source_Release(ITfSource *iface)
{
DocumentMgr *This = impl_from_ITfSourceVtbl(iface);
return DocumentMgr_Release((ITfDocumentMgr*)This);
}
/*****************************************************
* ITfSource functions
*****************************************************/
static WINAPI HRESULT DocumentMgrSource_AdviseSink(ITfSource *iface,
REFIID riid, IUnknown *punk, DWORD *pdwCookie)
{
DocumentMgr *This = impl_from_ITfSourceVtbl(iface);
FIXME("STUB:(%p)\n",This);
return E_NOTIMPL;
}
static WINAPI HRESULT DocumentMgrSource_UnadviseSink(ITfSource *iface, DWORD pdwCookie)
{
DocumentMgr *This = impl_from_ITfSourceVtbl(iface);
FIXME("STUB:(%p)\n",This);
return E_NOTIMPL;
}
static const ITfSourceVtbl DocumentMgr_SourceVtbl =
{
Source_QueryInterface,
Source_AddRef,
Source_Release,
DocumentMgrSource_AdviseSink,
DocumentMgrSource_UnadviseSink,
};
HRESULT DocumentMgr_Constructor(ITfThreadMgrEventSink *ThreadMgrSink, ITfDocumentMgr **ppOut)
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{
DocumentMgr *This;
This = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(DocumentMgr));
if (This == NULL)
return E_OUTOFMEMORY;
This->DocumentMgrVtbl= &DocumentMgr_DocumentMgrVtbl;
This->SourceVtbl = &DocumentMgr_SourceVtbl;
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This->refCount = 1;
This->ThreadMgrSink = ThreadMgrSink;
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TRACE("returning %p\n", This);
*ppOut = (ITfDocumentMgr*)This;
return S_OK;
}