304 lines
9.4 KiB
C++
304 lines
9.4 KiB
C++
#include "priv.h"
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#pragma hdrstop
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#include "objidl.h"
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#include "urlmon.h"
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#include "exdisp.h" // IWebBrowserApp
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#include "shlobj.h" // IShellBrowser
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#include "inetreg.h"
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#include <mlang.h>
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// Internal helper functions
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HRESULT wrap_CreateFormatEnumerator( UINT cfmtetc, FORMATETC* rgfmtetc, IEnumFORMATETC** ppenumfmtetc);
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HRESULT wrap_RegisterFormatEnumerator(LPBC pBC, IEnumFORMATETC *pEFetc, DWORD reserved);
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STDAPI common_GetAcceptLanguages(CHAR *psz, LPDWORD pcch);
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#define SETFMTETC(p, a) {(p)->cfFormat = (a); \
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(p)->dwAspect = DVASPECT_CONTENT; \
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(p)->lindex = -1; \
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(p)->tymed = TYMED_ISTREAM; \
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(p)->ptd = NULL;}
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const SA_BSTRGUID s_sstrEFM = {
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38 * sizeof(WCHAR),
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L"{D0FCA420-D3F5-11CF-B211-00AA004AE837}"
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};
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STDAPI CreateDefaultAcceptHeaders(VARIANT* pvar, IWebBrowserApp* pdie)
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{
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IEnumFORMATETC* pEFM;
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HKEY hkey;
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HRESULT hr = S_OK;
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if (RegOpenKey(HKEY_LOCAL_MACHINE,
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TEXT("Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\Accepted Documents"),
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&hkey) == ERROR_SUCCESS)
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{
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DWORD iValue = 0;
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DWORD iValidEntries = 0;
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TCHAR szValueName[128];
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DWORD cchValueName = ARRAYSIZE(szValueName);
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DWORD dwType;
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// Count the types in the registry
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while (RegEnumValue(hkey, iValue++, szValueName, &cchValueName,
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NULL, &dwType, NULL, NULL)==ERROR_SUCCESS)
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{
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// purpose is to increment iValue
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cchValueName = ARRAYSIZE(szValueName);
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}
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// Previous loop ends +1, so no need to add +1 for CF_NULL
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FORMATETC *prgfmtetc = (FORMATETC *)LocalAlloc(LPTR, iValue * sizeof(FORMATETC));
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if (prgfmtetc)
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{
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FORMATETC *pcurfmtetc = prgfmtetc;
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for (DWORD nValue=0; SUCCEEDED(hr) && (nValue < (iValue -1)); nValue++)
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{
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TCHAR szFormatName[128];
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DWORD cchFormatName = ARRAYSIZE(szFormatName);
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cchValueName = ARRAYSIZE(szValueName);
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if (RegEnumValue(hkey, nValue, szValueName, &cchValueName, NULL,
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&dwType, (LPBYTE) szFormatName, &cchFormatName)==ERROR_SUCCESS)
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{
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pcurfmtetc->cfFormat = (CLIPFORMAT) RegisterClipboardFormat(szFormatName);
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if (pcurfmtetc->cfFormat)
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{
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SETFMTETC (pcurfmtetc, pcurfmtetc->cfFormat);
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pcurfmtetc++; // move to next fmtetc
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iValidEntries++;
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}
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else
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{
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hr = HRESULT_FROM_WIN32(GetLastError());
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}
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} // if RegEnum
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} // for nValue
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if (SUCCEEDED(hr))
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{
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// for the last pcurfmtetc, we fill in for CF_NULL
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// no need to do RegisterClipboardFormat("*/*")
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SETFMTETC(pcurfmtetc, CF_NULL);
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iValidEntries++;
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hr = wrap_CreateFormatEnumerator (iValidEntries, prgfmtetc, &pEFM);
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if (SUCCEEDED(hr))
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{
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ASSERT(pvar->vt == VT_EMPTY);
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pvar->vt = VT_UNKNOWN;
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pvar->punkVal = (IUnknown *)pEFM;
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hr = pdie->PutProperty((BSTR)s_sstrEFM.wsz, *pvar);
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if (FAILED(hr))
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{
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pEFM->Release(); // if we failed to pass ownership on, free EFM
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pvar->vt = VT_EMPTY;
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pvar->punkVal = NULL;
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}
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}
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}
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LocalFree (prgfmtetc);
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}
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else
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{
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hr = E_OUTOFMEMORY;
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}
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RegCloseKey(hkey);
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}
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else
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{
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DebugMsg(TF_ERROR, TEXT("RegOpenkey failed!"));
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hr = E_FAIL;
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}
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return hr;
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}
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STDAPI RegisterDefaultAcceptHeaders(IBindCtx* pbc, LPSHELLBROWSER psb)
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{
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IEnumFORMATETC* pEFM;
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IWebBrowserApp* pdie;
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ASSERT(pbc);
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ASSERT(psb);
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HRESULT hres = IUnknown_QueryService(psb, IID_IWebBrowserApp, IID_IWebBrowserApp, (LPVOID*)&pdie);
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if (SUCCEEDED(hres))
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{
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VARIANT var;
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hres = pdie->GetProperty((BSTR)s_sstrEFM.wsz, &var);
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if (SUCCEEDED(hres))
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{
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if (var.vt == VT_EMPTY)
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{
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#ifdef FULL_DEBUG
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DebugMsg(DM_TRACE, TEXT("RegisterDefaultAcceptHeaders var.vt == VT_EMPTY"));
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#endif
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CreateDefaultAcceptHeaders(&var, pdie);
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}
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else if (var.vt == VT_UNKNOWN)
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{
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#ifdef FULL_DEBUG
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DebugMsg(DM_TRACE, TEXT("RegisterDefaultAcceptHeaders var.vt == VT_UNKNOWN"));
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#endif
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hres = var.punkVal->QueryInterface(IID_IEnumFORMATETC, (LPVOID*)&pEFM);
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if (SUCCEEDED(hres)) {
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IEnumFORMATETC* pEFMClone = NULL;
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hres = pEFM->Clone(&pEFMClone);
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if (SUCCEEDED(hres)) {
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#ifdef FULL_DEBUG
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DebugMsg(DM_TRACE, TEXT("RegisterDefaultAcceptHeaders registering FormatEnum %x"), pEFMClone);
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#endif
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hres = wrap_RegisterFormatEnumerator(pbc, pEFMClone, 0);
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pEFMClone->Release();
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} else {
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DebugMsg(TF_ERROR, TEXT("RegisterDefaultAcceptHeaders Clone failed %x"), hres);
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}
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pEFM->Release();
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}
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}
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else
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{
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DebugMsg(TF_ERROR, TEXT("GetProperty() returned illegal Variant Type: %x"), var.vt);
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DebugMsg(TF_ERROR, TEXT("RegisterDefaultAcceptHeaders not registering FormatEnum"));
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}
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VariantClear(&var);
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} else {
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DebugMsg(TF_ERROR, TEXT("RegisterDefaultAcceptHeaders pdie->GetProperty() failed %x"), hres);
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}
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pdie->Release();
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} else {
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DebugMsg(TF_ERROR, TEXT("RegisterDefaultAcceptHeaders QueryService(ISP) failed %x"), hres);
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}
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return hres;
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} // RegisterDefaultAcceptHeaders
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STDAPI GetAcceptLanguagesA(LPSTR pszLanguages, LPDWORD pcchLanguages)
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{
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return common_GetAcceptLanguages(pszLanguages, pcchLanguages);
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} // GetAcceptLanguagesA
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STDAPI GetAcceptLanguagesW(LPWSTR pwzLanguages, LPDWORD pcchLanguages)
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{
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if (!pwzLanguages || !pcchLanguages || !*pcchLanguages)
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return E_FAIL;
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DWORD dwcchMaxOut = *pcchLanguages;
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LPSTR psz = (LPSTR) LocalAlloc (LPTR, dwcchMaxOut);
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if (!psz)
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return E_OUTOFMEMORY;
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HRESULT hr = common_GetAcceptLanguages(psz, &dwcchMaxOut);
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if (SUCCEEDED(hr))
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{
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*pcchLanguages = MultiByteToWideChar(CP_ACP, 0, psz, -1,
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pwzLanguages, *pcchLanguages - 1);
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pwzLanguages[*pcchLanguages] = 0;
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}
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LocalFree(psz);
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return hr;
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} // GetAcceptLanguagesW
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STDAPI common_GetAcceptLanguages(CHAR *psz, LPDWORD pcch)
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{
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HKEY hk;
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HRESULT hr = E_FAIL;
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if (!psz || !pcch || !*pcch)
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return hr;
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if ((RegOpenKey (HKEY_CURRENT_USER, REGSTR_PATH_INTERNATIONAL, &hk) == ERROR_SUCCESS) && hk)
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{
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DWORD dwType;
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if (RegQueryValueEx (hk, REGSTR_VAL_ACCEPT_LANGUAGE, NULL, &dwType, (UCHAR *)psz, pcch) != ERROR_SUCCESS)
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{
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// When there is no AcceptLanguage key, we have to default
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DWORD LCID = GetUserDefaultLCID();
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// Use MLang for RFC1766 language name
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hr = LcidToRfc1766A(LCID, psz, *pcch);
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if (S_OK == hr)
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*pcch = lstrlenA(psz);
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else
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{
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*pcch = 0;
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AssertMsg(FALSE, TEXT("We should add LCID 0x%lx to MLang RFC1766 table"), LCID);
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}
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}
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else
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{
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hr = S_OK;
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if (!*psz)
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{
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// A NULL AcceptLanguage means send no A-L: header
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hr = S_FALSE;
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}
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}
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RegCloseKey (hk);
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}
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return hr;
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} // w_GetAcceptLanguages
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//
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// Both of these functions will be called only once per browser session - the
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// first time we create the FormatEnumerator. After that, we will use the one
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// we created, rather than needing to call these to allocate a new one.
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//
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HRESULT wrap_RegisterFormatEnumerator(LPBC pBC, IEnumFORMATETC *pEFetc, DWORD reserved)
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{
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HRESULT hr = E_FAIL;
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HINSTANCE hurl = LoadLibrary(TEXT("URLMON.DLL"));
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if (hurl)
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{
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HRESULT (*pfnRFE)(LPBC pBC, IEnumFORMATETC * pEFetc, DWORD reserved);
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pfnRFE = (HRESULT (*)(LPBC, IEnumFORMATETC*, DWORD))GetProcAddress (hurl, "RegisterFormatEnumerator");
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if (pfnRFE)
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{
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hr = pfnRFE(pBC, pEFetc, reserved);
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}
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FreeLibrary(hurl);
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}
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return hr;
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}
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HRESULT wrap_CreateFormatEnumerator(UINT cfmtetc, FORMATETC* rgfmtetc, IEnumFORMATETC** ppenumfmtetc)
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{
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HRESULT hr = E_FAIL;
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HINSTANCE hurl = LoadLibrary(TEXT("URLMON.DLL"));
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if (hurl)
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{
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HRESULT (*pfnCFE)(UINT cfmtetc, FORMATETC* rgfmtetc, IEnumFORMATETC **ppenumfmtetc);
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pfnCFE = (HRESULT (*)(UINT, FORMATETC*, IEnumFORMATETC **))GetProcAddress (hurl, "CreateFormatEnumerator");
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if (pfnCFE)
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{
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hr = pfnCFE(cfmtetc, rgfmtetc, ppenumfmtetc);
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}
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FreeLibrary(hurl);
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}
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return hr;
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}
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