403 lines
11 KiB
C++
403 lines
11 KiB
C++
/*
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* dataobj.cpp - IDataObject implementation for URL class.
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*/
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/* Headers
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**********/
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#include "project.hpp"
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#pragma hdrstop
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#include "enumfmte.hpp"
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/* Global Variables
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*******************/
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/* registered clipboard formats */
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PUBLIC_DATA UINT g_cfURL = 0;
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PUBLIC_DATA UINT g_cfFileGroupDescriptor = 0;
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PUBLIC_DATA UINT g_cfFileContents = 0;
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/* Module Variables
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*******************/
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#pragma data_seg(DATA_SEG_READ_ONLY)
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PRIVATE_DATA char s_szURLCF[] = "UniformResourceLocator";
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PRIVATE_DATA char s_szFileGroupDescriptorCF[] = CFSTR_FILEDESCRIPTOR;
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PRIVATE_DATA char s_szFileContentsCF[] = CFSTR_FILECONTENTS;
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#pragma data_seg()
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/***************************** Private Functions *****************************/
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BOOL RegisterClipboardFormats(void)
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{
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g_cfURL = RegisterClipboardFormat(s_szURLCF);
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g_cfFileGroupDescriptor = RegisterClipboardFormat(s_szFileGroupDescriptorCF);
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g_cfFileContents = RegisterClipboardFormat(s_szFileContentsCF);
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return(g_cfURL &&
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g_cfFileGroupDescriptor &&
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g_cfFileContents);
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}
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/****************************** Public Functions *****************************/
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PUBLIC_CODE void ExitDataObjectModule(void)
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{
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return;
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}
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/********************************** Methods **********************************/
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HRESULT STDMETHODCALLTYPE InternetShortcut::GetData(PFORMATETC pfmtetc,
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PSTGMEDIUM pstgmed)
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{
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HRESULT hr;
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DebugEntry(InternetShortcut::GetData);
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ASSERT(IS_VALID_STRUCT_PTR(this, CInternetShortcut));
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ASSERT(IS_VALID_STRUCT_PTR(pfmtetc, CFORMATETC));
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ASSERT(IS_VALID_WRITE_PTR(pstgmed, STGMEDIUM));
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// Ignore pfmtetc.ptd. All supported data formats are device-independent.
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ZeroMemory(pstgmed, sizeof(*pstgmed));
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if (pfmtetc->dwAspect == DVASPECT_CONTENT)
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{
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if (pfmtetc->cfFormat == g_cfURL)
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hr = (pfmtetc->lindex == -1) ? TransferUniformResourceLocator(pfmtetc,
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pstgmed)
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: DV_E_LINDEX;
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else if (pfmtetc->cfFormat == CF_TEXT)
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hr = (pfmtetc->lindex == -1) ? TransferText(pfmtetc, pstgmed)
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: DV_E_LINDEX;
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else if (pfmtetc->cfFormat == g_cfFileGroupDescriptor)
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hr = (pfmtetc->lindex == -1) ? TransferFileGroupDescriptor(pfmtetc,
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pstgmed)
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: DV_E_LINDEX;
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else if (pfmtetc->cfFormat == g_cfFileContents)
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hr = (! pfmtetc->lindex) ? TransferFileContents(pfmtetc, pstgmed)
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: DV_E_LINDEX;
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else
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hr = DV_E_FORMATETC;
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}
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else
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hr = DV_E_DVASPECT;
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if (hr == S_OK)
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TRACE_OUT(("InternetShortcut::GetData(): Returning clipboard format %s.",
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GetClipboardFormatNameString(pfmtetc->cfFormat)));
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else
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TRACE_OUT(("InternetShortcut::GetData(): Failed to return clipboard format %s.",
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GetClipboardFormatNameString(pfmtetc->cfFormat)));
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ASSERT(IS_VALID_STRUCT_PTR(this, CInternetShortcut));
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ASSERT(FAILED(hr) ||
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IS_VALID_STRUCT_PTR(pstgmed, CSTGMEDIUM));
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DebugExitHRESULT(InternetShortcut::GetData, hr);
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return(hr);
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}
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#pragma warning(disable:4100) /* "unreferenced formal parameter" warning */
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HRESULT STDMETHODCALLTYPE InternetShortcut::GetDataHere(PFORMATETC pfmtetc,
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PSTGMEDIUM pstgpmed)
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{
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HRESULT hr;
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DebugEntry(InternetShortcut::GetDataHere);
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ASSERT(IS_VALID_STRUCT_PTR(pfmtetc, CFORMATETC));
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ASSERT(IS_VALID_STRUCT_PTR(pstgpmed, CSTGMEDIUM));
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ASSERT(IS_VALID_STRUCT_PTR(this, CInternetShortcut));
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TRACE_OUT(("InternetShortcut::GetDataHere(): Failed to return clipboard format %s.",
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GetClipboardFormatNameString(pfmtetc->cfFormat)));
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hr = DV_E_FORMATETC;
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ASSERT(IS_VALID_STRUCT_PTR(this, CInternetShortcut));
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ASSERT(IS_VALID_STRUCT_PTR(pstgpmed, CSTGMEDIUM));
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DebugExitHRESULT(InternetShortcut::GetDataHere, hr);
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return(hr);
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}
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#pragma warning(default:4100) /* "unreferenced formal parameter" warning */
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HRESULT STDMETHODCALLTYPE InternetShortcut::QueryGetData(PFORMATETC pfmtetc)
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{
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HRESULT hr;
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DebugEntry(InternetShortcut::QueryGetData);
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ASSERT(IS_VALID_STRUCT_PTR(this, CInternetShortcut));
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ASSERT(IS_VALID_STRUCT_PTR(pfmtetc, CFORMATETC));
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TRACE_OUT(("InternetShortcut::QueryGetData(): Asked for clipboard format %s.",
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GetClipboardFormatNameString(pfmtetc->cfFormat)));
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// Ignore pfmtetc.ptd. All supported data formats are device-independent.
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if (pfmtetc->dwAspect == DVASPECT_CONTENT)
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{
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if (IS_FLAG_SET(pfmtetc->tymed, TYMED_HGLOBAL))
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{
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if (pfmtetc->cfFormat == g_cfURL)
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hr = (pfmtetc->lindex == -1) ? S_OK : DV_E_LINDEX;
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else if (pfmtetc->cfFormat == CF_TEXT)
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hr = (pfmtetc->lindex == -1) ? S_OK : DV_E_LINDEX;
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else if (pfmtetc->cfFormat == g_cfFileGroupDescriptor)
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hr = (pfmtetc->lindex == -1) ? S_OK : DV_E_LINDEX;
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else if (pfmtetc->cfFormat == g_cfFileContents)
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hr = (! pfmtetc->lindex) ? S_OK : DV_E_LINDEX;
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else
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hr = DV_E_FORMATETC;
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}
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else
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hr = DV_E_TYMED;
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}
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else
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hr = DV_E_DVASPECT;
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if (hr == S_OK)
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TRACE_OUT(("InternetShortcut::QueryGetData(): Clipboard format %s supported.",
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GetClipboardFormatNameString(pfmtetc->cfFormat)));
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else
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TRACE_OUT(("InternetShortcut::QueryGetData(): Clipboard format %s not supported.",
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GetClipboardFormatNameString(pfmtetc->cfFormat)));
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ASSERT(IS_VALID_STRUCT_PTR(this, CInternetShortcut));
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DebugExitHRESULT(InternetShortcut::QueryGetData, hr);
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return(hr);
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}
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HRESULT STDMETHODCALLTYPE InternetShortcut::GetCanonicalFormatEtc(
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PFORMATETC pfmtetcIn,
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PFORMATETC pfmtetcOut)
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{
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HRESULT hr;
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DebugEntry(InternetShortcut::GetCanonicalFormatEtc);
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ASSERT(IS_VALID_STRUCT_PTR(this, CInternetShortcut));
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ASSERT(IS_VALID_STRUCT_PTR(pfmtetcIn, CFORMATETC));
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ASSERT(IS_VALID_WRITE_PTR(pfmtetcOut, FORMATETC));
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hr = QueryGetData(pfmtetcIn);
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if (hr == S_OK)
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{
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*pfmtetcOut = *pfmtetcIn;
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if (pfmtetcIn->ptd == NULL)
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hr = DATA_S_SAMEFORMATETC;
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else
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{
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pfmtetcIn->ptd = NULL;
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ASSERT(hr == S_OK);
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}
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}
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else
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ZeroMemory(pfmtetcOut, sizeof(*pfmtetcOut));
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ASSERT(IS_VALID_STRUCT_PTR(this, CInternetShortcut));
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ASSERT(FAILED(hr) ||
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IS_VALID_STRUCT_PTR(pfmtetcOut, CFORMATETC));
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DebugExitHRESULT(InternetShortcut::GetCanonicalFormatEtc, hr);
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return(hr);
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}
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#pragma warning(disable:4100) /* "unreferenced formal parameter" warning */
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HRESULT STDMETHODCALLTYPE InternetShortcut::SetData(PFORMATETC pfmtetc,
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PSTGMEDIUM pstgmed,
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BOOL bRelease)
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{
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HRESULT hr;
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DebugEntry(InternetShortcut::SetData);
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// bRelease may be any value.
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ASSERT(IS_VALID_STRUCT_PTR(this, CInternetShortcut));
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ASSERT(IS_VALID_STRUCT_PTR(pfmtetc, CFORMATETC));
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ASSERT(IS_VALID_STRUCT_PTR(pstgmed, CSTGMEDIUM));
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hr = DV_E_FORMATETC;
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ASSERT(IS_VALID_STRUCT_PTR(this, CInternetShortcut));
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DebugExitHRESULT(InternetShortcut::SetData, hr);
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return(hr);
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}
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#pragma warning(default:4100) /* "unreferenced formal parameter" warning */
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HRESULT STDMETHODCALLTYPE InternetShortcut::EnumFormatEtc(
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DWORD dwDirFlags,
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PIEnumFORMATETC *ppiefe)
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{
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HRESULT hr;
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DebugEntry(InternetShortcut::EnumFormatEtc);
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ASSERT(IS_VALID_STRUCT_PTR(this, CInternetShortcut));
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ASSERT(FLAGS_ARE_VALID(dwDirFlags, ALL_DATADIR_FLAGS));
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ASSERT(IS_VALID_WRITE_PTR(ppiefe, PIEnumFORMATETC));
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*ppiefe = NULL;
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if (dwDirFlags == DATADIR_GET)
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{
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FORMATETC rgfmtetc[] =
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{
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{ 0, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL },
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{ 0, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL },
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{ 0, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL },
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{ 0, NULL, DVASPECT_CONTENT, 0, TYMED_HGLOBAL }
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};
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PEnumFormatEtc pefe;
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rgfmtetc[0].cfFormat = (CLIPFORMAT)g_cfURL;
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rgfmtetc[1].cfFormat = CF_TEXT;
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rgfmtetc[2].cfFormat = (CLIPFORMAT)g_cfFileGroupDescriptor;
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rgfmtetc[3].cfFormat = (CLIPFORMAT)g_cfFileContents;
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pefe = new ::EnumFormatEtc(rgfmtetc, ARRAY_ELEMENTS(rgfmtetc));
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if (pefe)
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{
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hr = pefe->Status();
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if (hr == S_OK)
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*ppiefe = pefe;
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else
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{
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delete pefe;
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pefe = NULL;
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}
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}
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else
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hr = E_OUTOFMEMORY;
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}
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else
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// FEATURE: Implement IDataObject::SetData() and add support for
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// DATADIR_SET here.
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hr = E_NOTIMPL;
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ASSERT(IS_VALID_STRUCT_PTR(this, CInternetShortcut));
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ASSERT((hr == S_OK &&
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IS_VALID_INTERFACE_PTR(*ppiefe, IEnumFORMATETC)) ||
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(FAILED(hr) &&
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! *ppiefe));
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DebugExitHRESULT(InternetShortcut::EnumFormatEtc, hr);
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return(hr);
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}
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#pragma warning(disable:4100) /* "unreferenced formal parameter" warning */
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HRESULT STDMETHODCALLTYPE InternetShortcut::DAdvise(PFORMATETC pfmtetc,
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DWORD dwAdviseFlags,
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PIAdviseSink piadvsink,
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PDWORD pdwConnection)
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{
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HRESULT hr;
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DebugEntry(InternetShortcut::DAdvise);
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ASSERT(IS_VALID_STRUCT_PTR(this, CInternetShortcut));
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ASSERT(IS_VALID_STRUCT_PTR(pfmtetc, CFORMATETC));
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ASSERT(FLAGS_ARE_VALID(dwAdviseFlags, ALL_ADVISE_FLAGS));
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ASSERT(IS_VALID_INTERFACE_PTR(piadvsink, IAdviseSink));
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ASSERT(IS_VALID_WRITE_PTR(pdwConnection, DWORD));
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*pdwConnection = 0;
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hr = OLE_E_ADVISENOTSUPPORTED;
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ASSERT(IS_VALID_STRUCT_PTR(this, CInternetShortcut));
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ASSERT((hr == S_OK &&
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*pdwConnection) ||
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(FAILED(hr) &&
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! *pdwConnection));
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DebugExitHRESULT(InternetShortcut::DAdvise, hr);
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return(hr);
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}
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HRESULT STDMETHODCALLTYPE InternetShortcut::DUnadvise(DWORD dwConnection)
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{
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HRESULT hr;
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DebugEntry(InternetShortcut::DUnadvise);
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ASSERT(IS_VALID_STRUCT_PTR(this, CInternetShortcut));
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ASSERT(dwConnection);
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hr = OLE_E_ADVISENOTSUPPORTED;
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ASSERT(IS_VALID_STRUCT_PTR(this, CInternetShortcut));
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DebugExitHRESULT(InternetShortcut::DUnadvise, hr);
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return(hr);
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}
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#pragma warning(default:4100) /* "unreferenced formal parameter" warning */
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HRESULT STDMETHODCALLTYPE InternetShortcut::EnumDAdvise(PIEnumSTATDATA *ppiesd)
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{
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HRESULT hr;
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DebugEntry(InternetShortcut::EnumDAdvise);
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ASSERT(IS_VALID_STRUCT_PTR(this, CInternetShortcut));
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ASSERT(IS_VALID_WRITE_PTR(ppiesd, PIEnumSTATDATA));
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*ppiesd = NULL;
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hr = OLE_E_ADVISENOTSUPPORTED;
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ASSERT(IS_VALID_STRUCT_PTR(this, CInternetShortcut));
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ASSERT((hr == S_OK &&
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IS_VALID_INTERFACE_PTR(*ppiesd, IEnumSTATDATA)) ||
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(FAILED(hr) &&
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! *ppiesd));
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DebugExitHRESULT(InternetShortcut::EnumDAdvise, hr);
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return(hr);
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}
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