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pjs/cmd/winfe/helpers.cpp

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "stdafx.h"
#include "helper.h"
#include "il_strm.h"
#include "display.h"
#include "prefapi.h" //CRN_MIME
// List of all helpers in our helper app struct.
// Static must be declared here.
CPtrList CHelperApp::m_cplHelpers;
//
// Parse a list of extensions for file types
//
// Extensions will come in as a list .sg,.earh,.rts .ear
//
// Parse this list, white space is used to delimit between entries. The
// number of entries is returned in num_exts and the individual extensions
// are returned in list
//
// I think I've fixed it so that we are no longer dropping extensions
// for .mp2 files. chouck 29-Dec-94
//
void fe_ParseExtList(const char * ext_string, int *num_exts, char **list)
{
char * start, *cur, *newext;
int iLen, idx;
BOOL bInExt = FALSE;
char * copy = strdup(ext_string); // make copy to muck with
int iExtCnt = 0;
start = cur = copy;
iLen = strlen(copy);
// traverse string
for (idx =0; idx < iLen; idx++) {
if (bInExt) {
// We are currently reading an extension
// If we have a character add it to the current extension
if (!isalnum(*cur)) {
// Found a delimiter character, end the extension
bInExt = FALSE;
*cur = 0; // mark end
list[iExtCnt] = strdup(newext);
iExtCnt++;
}
} else {
// We are not currently in an extension, search for next alpha numeric character
if (isalnum(*cur)) {
// found one! -- mark start of new extenison -- set flag
newext = cur;
bInExt = TRUE;
}
}
cur++;
}
// save last one
if (bInExt) {
list[iExtCnt] = strdup(newext);
iExtCnt++;
}
*num_exts = iExtCnt;
// Be sure to free your copy to muck with
XP_FREE(copy);
}
// Returns TRUE if lpszExt is in the list of comma delimited extensions
// (this is the Netscape format used to write the suffixes associated a
// particular MIME type). lpszExt should not have a lead '.'
static BOOL
ExtensionIsInList(LPCSTR lpszExtList, LPCSTR lpszExt)
{
LPSTR extlist[50]; // XXX - fe_ParseExtList needs another parameter...
int nExtensions = 0;
BOOL bResult = FALSE;
ASSERT(lpszExt && (*lpszExt != '.'));
fe_ParseExtList(lpszExtList, &nExtensions, extlist);
// Look for our extension
for (int i = 0; i < nExtensions; i++) {
if (strcmpi(extlist[i], lpszExt) == 0) {
bResult = TRUE;
break;
}
}
// Free the extensions
for (i = 0; i < nExtensions; i++)
XP_FREE(extlist[i]);
return bResult;
}
// Returns TRUE if lpszExt is in the list of extensions for this
// type. lpszExt should not have a lead '.' (none of the extensions
// in pcdata have a leading '.')
static BOOL
ExtensionIsInList(NET_cdataStruct *pcdata, LPCSTR lpszExt)
{
ASSERT(lpszExt && (*lpszExt != '.'));
for (int i = 0; i < pcdata->num_exts; i++) {
if (stricmp(lpszExt, pcdata->exts[i]) == 0) {
return TRUE;
}
}
return FALSE;
}
// Creates a front-end data structure (CHelperApp object) if there isn't already one
// Looks in the Viewers section to see how the MIME type should be configured
void fe_AddTypeToList(NET_cdataStruct *cd_item)
{
CHelperApp *app = NULL;
if(cd_item->ci.fe_data) {
app = (CHelperApp *)cd_item->ci.fe_data;
}
else {
// Create a front-end data structure
app = new CHelperApp();
}
app->bChanged = FALSE;
app->bNewType = FALSE;
app->bChangedExts = FALSE;
CString csCmd = theApp.GetProfileString("Viewers", cd_item->ci.type);
// Handle internally by default
if (csCmd.IsEmpty()) {
if ( (!strcmp(cd_item->ci.type, TEXT_HTML)) ||
(!strcmp(cd_item->ci.type, TEXT_PLAIN)) ||
(!strcmp(cd_item->ci.type, IMAGE_GIF)) ||
(!strcmp(cd_item->ci.type, IMAGE_XBM)) ||
(!strcmp(cd_item->ci.type, IMAGE_JPG)) ||
// (!strcmp(cd_item->ci.type, APPLICATION_BINHEX)) ||
(!strcmp(cd_item->ci.type, "application/x-ns-proxy-autoconfig"))) {
app->how_handle = HANDLE_VIA_NETSCAPE;
}
if(!stricmp(cd_item->ci.type, APPLICATION_OCTET_STREAM)) {
app->how_handle = HANDLE_SAVE;
}
}
else {
int iPercent = csCmd.ReverseFind('%'); // strip %ls from config
if (iPercent > 0)
csCmd = csCmd.Left(iPercent-1);
if (csCmd == MIME_SAVE)
app->how_handle = HANDLE_SAVE;
else if (csCmd == MIME_INTERNALLY)
app->how_handle = HANDLE_VIA_NETSCAPE;
else if (csCmd == MIME_PROMPT)
app->how_handle = HANDLE_UNKNOWN;
else if (csCmd == MIME_OLE) {
app->how_handle = HANDLE_BY_OLE;
}
else if (csCmd == MIME_SHELLEXECUTE) {
app->how_handle = HANDLE_SHELLEXECUTE;
}
else {
char szFile[_MAX_FNAME];
// This is the default case.
app->csCmd = csCmd;
app->how_handle = HANDLE_EXTERNAL;
// If there's no description then the helper app UI won't display the item
// Use the base filename without extension
szFile[0] = '\0';
_splitpath((LPCSTR)csCmd, NULL, NULL, szFile, NULL);
if (szFile[0] == '\0') {
// Just use the MIME type for the description
cd_item->ci.desc = XP_STRDUP(cd_item->ci.type);
} else {
szFile[0] = toupper(szFile[0]);
cd_item->ci.desc = PR_smprintf("%s %s", szFile, szLoadString(IDS_STRING_FILE));
}
}
if (app->how_handle == HANDLE_SHELLEXECUTE || app->how_handle == HANDLE_BY_OLE) {
// We need to have a description or the helper app UI won't display the
// item. If it's set as shell execute or launch as OLE that means we're getting
// it from the registry, and it better have a description...
ASSERT(cd_item->ci.desc);
}
}
app->cd_item = cd_item;
cd_item->ci.fe_data = app; // store the helper app object
theApp.m_HelperListByType.SetAt(cd_item->ci.type,app); // store in global list
}
void fe_SetExtensionList(NET_cdataStruct *cd_item)
{
if (!cd_item)
return;
char * extlist[50]; // BUG shouldn't limit it to 50 extensions-- big deal...blah easier to debug
int iNumExt =0; // number from ini file
int idx;
CString csExtListFromINI = theApp.GetProfileString("Suffixes",cd_item->ci.type);
if (!csExtListFromINI.IsEmpty()) {
// add extension out of ini file
fe_ParseExtList((const char *) csExtListFromINI, &iNumExt, extlist);
}
if (iNumExt > 0) {
// got extension from INI file...overwrite netlib stuff
for (idx = 0; idx < cd_item->num_exts ; idx++) {
if (cd_item->exts[idx]) {
XP_FREE(cd_item->exts[idx]);
cd_item->exts[idx] = NULL;
}
}
// store our new stuff
if (cd_item->exts) XP_FREE(cd_item->exts);
cd_item->exts = (char **)XP_ALLOC(iNumExt * sizeof(char *));
cd_item->num_exts = iNumExt;
for (idx = 0; idx < cd_item->num_exts ; idx++)
cd_item->exts[idx] = extlist[idx];
}
}
// Retrieve the class name for the given extension
BOOL
GetClassName(LPCSTR lpszExtension, CString &strClass)
{
char szKey[_MAX_EXT + 1]; // space for '.'
char szClass[128];
LONG lResult;
LONG lcb;
// Look up the file association key which maps a file extension
// to a file class
wsprintf(szKey, ".%s", lpszExtension);
lcb = sizeof(szClass);
lResult = RegQueryValue(HKEY_CLASSES_ROOT, szKey, szClass, &lcb);
#ifdef _WIN32
ASSERT(lResult != ERROR_MORE_DATA);
#endif
if (lResult != ERROR_SUCCESS || lcb <= 1)
return FALSE;
strClass = szClass;
return TRUE;
}
// Return value must be freed by caller.
char *InventMime(const char *pExtension)
{
LPSTR lpszMimeType = NULL;
char szKey[_MAX_EXT + 1]; // space for '.'
if (!pExtension)
return NULL;
// Build the file association key. It must begin with a '.'
wsprintf(szKey, ".%s", pExtension);
#ifdef XP_WIN32
// See if the extension has a mime type (Content Type).
HKEY hExt = NULL;
LONG lCheckOpen = RegOpenKeyEx(HKEY_CLASSES_ROOT, szKey, 0, KEY_QUERY_VALUE, &hExt);
if (lCheckOpen == ERROR_SUCCESS) {
DWORD dwType;
DWORD cbData;
LONG lResult;
// See how much space we need
cbData = 0;
lResult = RegQueryValueEx(hExt, "Content Type", NULL, &dwType, NULL, &cbData);
if (lResult == ERROR_SUCCESS && cbData > 1) {
lpszMimeType = (LPSTR)XP_ALLOC(cbData);
if (!lpszMimeType) {
VERIFY(RegCloseKey(hExt) == ERROR_SUCCESS);
return NULL;
}
// Get the string
lResult = RegQueryValueEx(hExt, "Content Type", NULL, &dwType, (LPBYTE)lpszMimeType, &cbData);
ASSERT(lResult == ERROR_SUCCESS);
}
VERIFY(RegCloseKey(hExt) == ERROR_SUCCESS);
}
#endif
// Finally, default to fake generated mime type
if (!lpszMimeType) {
CString strClass;
// Only do this is there's a class associated with the extension
if (GetClassName(pExtension, strClass) && !strClass.IsEmpty())
lpszMimeType = PR_smprintf("%s%s", SZ_WINASSOC, (LPCSTR)strClass);
}
return lpszMimeType;
}
// Return value must be freed by caller.
char *InventDescription(const char *pExtension)
{
CString strClass;
if (!pExtension)
return NULL;
// Get the class name
if (GetClassName(pExtension, strClass) && !strClass.IsEmpty()) {
LONG cbData;
LONG lResult;
#ifdef _WIN32
// See how much space we need
cbData = 0;
lResult = RegQueryValue(HKEY_CLASSES_ROOT, (LPCSTR)strClass, NULL, &cbData);
if (lResult == ERROR_SUCCESS && cbData > 1) {
LPSTR lpszDescription = (LPSTR)XP_ALLOC(cbData);
if (!lpszDescription)
return NULL;
// Get the string
VERIFY(RegQueryValue(HKEY_CLASSES_ROOT, (LPCSTR)strClass, lpszDescription, &cbData) == ERROR_SUCCESS);
return lpszDescription;
}
#else
// Win 3.1 RegQueryValue() doesn't support asking for the size of the data
char szDescription[128];
// Get the string
cbData = sizeof(szDescription);
lResult = RegQueryValue(HKEY_CLASSES_ROOT, (LPCSTR)strClass, szDescription, &cbData);
return lResult == ERROR_SUCCESS ? XP_STRDUP(szDescription) : NULL;
#endif
}
return NULL;
}
// Create a front-end data structure if necessary, and set how_handle as
// HANDLE_SHELLEXECUTE if there's a shell\open command for the file extension.
// It will also set the description if there isn't already one
void ShellHelper(NET_cdataStruct *pNet, const char *pExtension)
{
if(pNet != NULL && pNet->ci.fe_data == NULL) {
// Create front end counter-part.
CHelperApp *pApp = new CHelperApp();
if(pApp) {
pApp->cd_item = pNet;
pNet->ci.fe_data = (void *)pApp;
pApp->bChanged = FALSE;
pApp->bNewType = FALSE;
pApp->bChangedExts = FALSE;
// Don't set how_handle to HANDLE_SHELLEXECUTE unless there's a file
// type class associated with the extension which has a shell\open
// command
//
// Assume that we can't shell execute it
pApp->how_handle = HANDLE_UNKNOWN;
if (GetClassName(pExtension, pApp->strFileClass)) {
// XXX - We really should handle verbs other than Open. FindExecutable()
// and ShellExecute() don't either, but ShellExecuteEx() does...
char aExe[_MAX_PATH];
aExe[0] = '\0';
if(FEU_FindExecutable(pExtension, aExe, FALSE, TRUE)) {
pApp->how_handle = HANDLE_SHELLEXECUTE;
pApp->csCmd = MIME_SHELLEXECUTE;
}
else if(aExe[0]) {
// We reach this only if the extension itself is executable.
// Those that are themselves shellexecutable must save or
// we risk security.
pApp->how_handle = HANDLE_SAVE;
}
}
// application/octet-stream is always save.
if(!stricmp(pNet->ci.type, APPLICATION_OCTET_STREAM)) {
pApp->how_handle = HANDLE_SAVE;
}
theApp.m_HelperListByType.SetAt(pNet->ci.type, pApp);
}
// Give it a description if not already set.
if(pExtension != NULL && pNet->ci.desc == NULL) {
pNet->ci.desc = InventDescription(pExtension);
}
}
}
// Given a file extension and its associated MIME type (may be NULL),
// make sure there's a corresponding entry in the netlib list of
// NET_cdataStruct structures
//
// There must be an extension, and the extension must not begin with
// a leading '.'
NET_cdataStruct *
ProcessFileExtension(const char *pExtension, const char *ccpMimeType)
{
NET_cdataStruct *pExistingItem = NULL;
// Must have an extension to be considered, must not begin with a period.
if(pExtension == NULL) {
return NULL;
}
else if(*pExtension == '.') {
ASSERT(0);
return NULL;
}
// See if the extension is already in the netlib list. If it is AND it has a MIME
// type then call ShellHelper() which will set how_handle to HANDLE_SHELLEXECUTE
// if there is a shell\open command for the extension
XP_List *pTypesList = cinfo_MasterListPointer();
NET_cdataStruct *pListEntry = NULL;
while ((pListEntry = (NET_cdataStruct *)XP_ListNextObject(pTypesList))) {
if(pListEntry->ci.type != NULL || pListEntry->ci.encoding != NULL) {
for(int iFind = 0; iFind < pListEntry->num_exts; iFind++) {
if(stricmp(pExtension, pListEntry->exts[iFind]) == 0) {
// This call will create a front-end data structure if
// necessary, and set how to handle as HANDLE_SHELLEXECUTE if
// there's a shell\open command for the file extension. It will
// also set the description if there isn't already one
if(pListEntry->ci.type)
ShellHelper(pListEntry, pExtension);
// Remember this item
pExistingItem = pListEntry;
}
}
}
}
if(pExistingItem && pExistingItem->ci.encoding)
{
/* don't overwrite existing encodings with nonsense types */
return NULL;
}
// If no mime type was passed in, invent one.
const char *pMimeType = ccpMimeType;
BOOL bFreeMimeType = FALSE;
if(pMimeType == NULL) {
pMimeType = (const char *)InventMime(pExtension);
if(pMimeType) {
bFreeMimeType = TRUE;
}
else {
return NULL;
}
}
// Ignore extensions in the registry that have content type "application/x-msdownload"
if (bFreeMimeType && stricmp(pMimeType, "application/x-msdownload") == 0) {
XP_FREE((void *)pMimeType);
pMimeType = XP_STRDUP(APPLICATION_OCTET_STREAM);
}
// If mime type already exists in the list, must add extention to it.
pTypesList = cinfo_MasterListPointer();
pListEntry = NULL;
BOOL bExisted = FALSE;
while ((pListEntry = (NET_cdataStruct *)XP_ListNextObject(pTypesList))) {
if(pListEntry->ci.type != NULL) {
if(stricmp(pListEntry->ci.type, pMimeType) == 0) {
bExisted = TRUE;
// Check if the extension is already in the list
if (!ExtensionIsInList(pListEntry, pExtension)) {
char **ppTest = (char **)XP_REALLOC((void *)(pListEntry->exts), sizeof(char *) * (pListEntry->num_exts + 1));
if(ppTest) {
pListEntry->exts = ppTest;
pListEntry->exts[pListEntry->num_exts] = XP_STRDUP(pExtension);
if(pListEntry->exts[pListEntry->num_exts]) {
pListEntry->num_exts++;
// This call will create a front-end data structure if
// necessary, and set how to handle as HANDLE_SHELLEXECUTE if
// there's a shell\open command for the file extension. It will
// also set the description if there isn't already one
ShellHelper(pListEntry, pExtension);
}
}
}
}
}
}
if(bExisted) {
if(bFreeMimeType) {
XP_FREE((void *)pMimeType);
pMimeType = NULL;
}
return pListEntry;
}
// There's no entry in the netlib list for this MIME type so create a new entry. Don't
// do this if there's an existing entry in the netlib list with the same extension and
// we made up the MIME type (it's a fake generated MIME type)
if (pExistingItem && strncmp(pMimeType, SZ_WINASSOC, strlen(SZ_WINASSOC)) == 0)
{
if(bFreeMimeType) {
XP_FREE((void *)pMimeType);
}
return pExistingItem;
}
NET_cdataStruct *pNew = NET_cdataCreate();
if(pNew) {
pNew->ci.type = XP_STRDUP(pMimeType);
if(pNew->ci.type) {
pNew->num_exts = 1;
pNew->exts = (char **)XP_ALLOC(sizeof(char *));
if(pNew->exts) {
pNew->exts[0] = XP_STRDUP(pExtension);
if(pNew->exts[0]) {
NET_cdataAdd(pNew);
}
else {
NET_cdataFree(pNew);
pNew = NULL;
}
}
else {
NET_cdataFree(pNew);
pNew = NULL;
}
}
else {
NET_cdataFree(pNew);
pNew = NULL;
}
if(pNew) {
// This call will create a front-end data structure if
// necessary, and set how to handle as HANDLE_SHELLEXECUTE if
// there's a shell\open command for the file extension. It will
// also set the description if there isn't already one
ShellHelper(pNew, pExtension);
}
}
if(bFreeMimeType) {
XP_FREE((void *)pMimeType);
pMimeType = NULL;
}
return pNew;
}
// This routines looks at every file type association in the registry.
// For each file extension it calls ProcessFileExtension()
void registry_GenericFileTypes()
{
char aExtension[MAX_PATH + 1];
memset(aExtension, 0, sizeof(aExtension));
DWORD dwExtKey = 0;
LONG lCheckEnum = ERROR_SUCCESS;
do {
lCheckEnum = RegEnumKey(HKEY_CLASSES_ROOT, dwExtKey++, aExtension, sizeof(aExtension));
if(lCheckEnum == ERROR_SUCCESS && aExtension[0] == '.') {
ProcessFileExtension(&aExtension[1], NULL);
}
}
while(lCheckEnum == ERROR_SUCCESS);
}
#ifndef _WIN32
// This routines looks at every file type association in the WIN.INI file.
// For each file extenion it calls ProcessFileExtension()
void winini_GenericFileTypes()
{
const char *pSection = "Extensions";
int iAllocSize = 1024 * 16;
char *pBuffer = (char *)XP_ALLOC(iAllocSize);
if(pBuffer) {
memset(pBuffer, 0, iAllocSize);
if(0 != GetProfileString(pSection, NULL, "", pBuffer, iAllocSize)) {
char *pTraverse = pBuffer;
char aExt[_MAX_PATH];
memset(aExt, 0, sizeof(aExt));
while(*pTraverse != '\0') {
strcpy(aExt, pTraverse);
pTraverse += strlen(aExt) + 1;
ProcessFileExtension(aExt, NULL);
}
}
XP_FREE((void *)pBuffer);
pBuffer = NULL;
}
}
#endif
// See if there are any user defined MIME types that need to be added to the
// netlib list. These are stored in the Viewers section. Add them first so
// they're handled like the types in mktypes.h
static void
fe_UserDefinedFileTypes()
{
for (int idx=0 ; ; idx++) {
char szBuf[20];
sprintf(szBuf, "TYPE%d", idx);
CString csType(theApp.GetProfileString("Viewers", szBuf));
// XXX - we expect the list of user defined items to be contiguously numbered
// starting at 0, and so we stop when we get back an empty value. We should
// really handle the case where there are holes in the numbering, e.g. an
// uninstaller removed one of the items...
if (csType.IsEmpty())
break;
// See whether the MIME type is already in the netlib list
XP_List *pTypesList = cinfo_MasterListPointer();
NET_cdataStruct *pcdata;
while ((pcdata = (NET_cdataStruct *)XP_ListNextObject(pTypesList))) {
if (pcdata->ci.type != NULL && (stricmp(pcdata->ci.type, (LPCSTR)csType) == 0))
break;
}
if (!pcdata) {
// Create a new netlib type
pcdata = NET_cdataCreate();
pcdata->ci.type = XP_STRDUP((LPCSTR)csType);
// Add it to the netlib list
NET_cdataAdd(pcdata);
// Note: don't look in the Viewers section to see how the MIME type should be
// configured. We'll do that last after checking the registry
}
if (pcdata) {
// Look in the Suffixes section to get the list of extensions associated with
// this MIME type
fe_SetExtensionList(pcdata);
}
}
theApp.m_iNumTypesInINIFile = idx;
}
//Begin CRN_MIME
NET_cdataStruct *
FileExtensionInNetlibList(const char *pExtension, const char *ccpMimeType)
{
NET_cdataStruct *pExistingItem = NULL;
// Must have an extension to be considered, must not begin with a period.
if(pExtension == NULL) {
return NULL;
}
else if(*pExtension == '.') {
ASSERT(0);
return NULL;
}
// See if the extension is already in the netlib list. If it is AND it has a MIME
// type then return the NET_cdataStruct pointer
XP_List *pTypesList = cinfo_MasterListPointer();
NET_cdataStruct *pListEntry = NULL;
while ((pListEntry = (NET_cdataStruct *)XP_ListNextObject(pTypesList))) {
if(pListEntry->ci.type != NULL) {
for(int iFind = 0; iFind < pListEntry->num_exts; iFind++) {
if(stricmp(pExtension, pListEntry->exts[iFind]) == 0) {
// Remember this item
pExistingItem = pListEntry;
}
}
}
}
return pExistingItem;
}
const char *GetMimeCmd(int load_action)
{
switch(load_action)
{
case HANDLE_SAVE:
return MIME_SAVE;
case HANDLE_SHELLEXECUTE:
return MIME_SHELLEXECUTE;
case HANDLE_UNKNOWN:
return MIME_SHELLEXECUTE; //????? What should this be set to ???
case HANDLE_VIA_PLUGIN:
return MIME_SHELLEXECUTE; //????? What should this be set to ???
default:
return MIME_SHELLEXECUTE; //????? What should this be set to ???
}
}
int GetPrefLoadAction(char * pPrefix)
{
//Get load_action, if any
int32 load_action;
char szPref[512];
wsprintf(szPref, "%s.load_action", pPrefix);
int iRet = PREF_GetIntPref(szPref, &load_action);
if(iRet == PREF_NOERROR)
{
switch(load_action)
{
case 1: //Save
iRet = HANDLE_SAVE;
break;
case 2: //Launch
iRet = HANDLE_SHELLEXECUTE;
break;
case 3://Unknown
iRet = HANDLE_UNKNOWN;
break;
case 4://Plug-In
iRet = HANDLE_VIA_PLUGIN;
break;
default:
iRet = HANDLE_SHELLEXECUTE;
break;
}
}
else
iRet = HANDLE_SHELLEXECUTE;
return iRet;
}
void fe_ChangeDescription(NET_cdataStruct *pcdata, LPCSTR lpszExt, LPCSTR lpszDescription)
{
// See if the Description has changed
if (strcmpi(pcdata->ci.desc, lpszDescription) != 0) {
CString strClass;
// Get the class name
if (GetClassName(lpszExt, strClass) && !strClass.IsEmpty()) {
// Set the description
RegSetValue(HKEY_CLASSES_ROOT, strClass, REG_SZ, lpszDescription, lstrlen(lpszDescription));
// Now go ahead and change the description in the netlib data structure
StrAllocCopy(pcdata->ci.desc, lpszDescription);
}
}
}
void fe_UpdateMControlMimeTypes(void)
{
CString str;
char * child_list;
int bOK = PREF_NOERROR;
char * type = NULL;
char * ext = NULL;
char * desc = NULL;
char * open_cmd = NULL;
if ( PREF_CreateChildList("mime", &child_list) == 0 )
{
char szPref[512];
int index = 0;
char *child = NULL;
while (child = PREF_NextChild(child_list, &index))
{
TRACE(child);TRACE("\r\n");
wsprintf(szPref, "%s.mimetype", child);
bOK = PREF_CopyCharPref(szPref, &type);
if (bOK == PREF_NOERROR)
{
wsprintf(szPref, "%s.extension", child);
bOK = PREF_CopyCharPref(szPref, &ext);
if(bOK == PREF_NOERROR)
{
wsprintf(szPref, "%s.description", child);
bOK = PREF_CopyCharPref(szPref, &desc);
if(bOK == PREF_NOERROR)
{
wsprintf(szPref, "%s.win_appname", child);
bOK = PREF_CopyCharPref(szPref, &open_cmd);
}
}
}
//Register new type only if all the fields are specified.
if(type && type[0] && ext && ext[0] && desc && desc[0] && open_cmd && open_cmd[0])
{
//char szJunk[256];
//wsprintf(szJunk, "%s - %s - %s - %s\r\n", (type && type[0]) ? type : "", (ext && ext[0]) ? ext : "", (desc && desc[0]) ? desc : "", (open_cmd && open_cmd[0]) ? open_cmd : "");
//TRACE(szJunk);
NET_cdataStruct *pcdata= NULL;
int load_action = GetPrefLoadAction(child);
//Check and see if we already have this file extension with the mime type
pcdata = FileExtensionInNetlibList(ext, type);
if(pcdata == NULL)
{
pcdata = fe_NewFileType(desc, ext, type, open_cmd);
CHelperApp *pApp = (CHelperApp *)pcdata->ci.fe_data;
if(pApp)
{
pApp->how_handle = load_action;
pApp->csCmd = GetMimeCmd(load_action);
pApp->csMimePrefPrefix = child;
}
}
else
{
CHelperApp *pApp = (CHelperApp *)pcdata->ci.fe_data;
if(pApp)
{
pApp->csMimePrefPrefix = child;
}
fe_ChangeFileType(pcdata, type, load_action, open_cmd);
fe_ChangeDescription(pcdata, ext, desc);
}
}
if(type && type[0])
{
XP_FREE(type);
type = NULL;
}
if(ext && ext[0])
{
XP_FREE(ext);
ext = NULL;
}
if(desc && desc[0])
{
XP_FREE(desc);
desc = NULL;
}
if(open_cmd && open_cmd[0])
{
XP_FREE(open_cmd);
open_cmd = NULL;
}
}
XP_FREE(child_list);
}
}
//End CRN_MIME
// This routine updates the netlib list of NET_cdataStruct objects with information
// found in the registry, WIN.INI file, and the Netscape specific information
// (the Viewers and Suffixes section)
void fe_InitFileFormatTypes(void) {
// See if there are any user defined MIME types that need to be added to the
// netlib list. These are stored in the Viewers section. Add them first so
// they're handled like the types in mktypes.h
//
// This way when we look in the registry we'll find shell execute handlers for them
fe_UserDefinedFileTypes();
// This call is going to look at every file extension in the registry and
// update existing netlib structures that have matching file extenions and
// matching MIME types. It will also create a new netlib structure if necessary
registry_GenericFileTypes();
#ifndef _WIN32
// This call is going to look at every file association in WIN.INI and
// update existing netlib structures that have matching file extenions. It
// will also create a new netlib structure if necessary
winini_GenericFileTypes();
#endif
NET_cdataStruct *cd_item;
XP_List * infolist = cinfo_MasterListPointer();; // Get beginning of the list
// The last thing we do is use the Netscape specific information. This means looking
// at the Viewers and Suffixes sections
//
// Do this for every entry in the netlib list
while ((cd_item = (NET_cdataStruct *)XP_ListNextObject(infolist))) { // iterate through the list
if (cd_item->ci.type) { // if it is a mime type
// Look in the Viewers section to see how the MIME type should be configured.
// This allows us to override anything we found in the registry, e.g. user wants to
// Save to disk or open as an OLE server
fe_AddTypeToList(cd_item);
// Look in the Suffixes section to get the list of extensions associated with
// this MIME type
fe_SetExtensionList(cd_item);
}
}
}
void fe_CleanupFileFormatTypes(void)
{
NET_cdataStruct *cd_item;
XP_List * infolist = cinfo_MasterListPointer();; // Get beginning of the list
CHelperApp * app;
while ((cd_item = (NET_cdataStruct *)XP_ListNextObject(infolist))) { // iterate through the list
if (cd_item->ci.type) { // if it is a mime type
app = (CHelperApp *)cd_item->ci.fe_data;
if (app) {
if (app->bChanged)
theApp.WriteProfileString("Viewers",cd_item->ci.type,app->csCmd);
delete app;
}
}
}
}
//
// Add a user defined mime type to our list of helper applications
//
CHelperApp * fe_AddNewFileFormatType(const char *mime_type,const char *subtype)
{
NET_cdataStruct * cd_item;
XP_List * infolist = cinfo_MasterListPointer();; // Get beginning of the list
CString csMime;
if (!infolist) return NULL;
cd_item = (NET_cdataStruct *)XP_ALLOC(sizeof(NET_cdataStruct));
memset(cd_item,0,sizeof(NET_cdataStruct));
csMime += mime_type;
csMime += '/';
csMime += subtype;
cd_item->ci.type = XP_STRDUP((const char *)csMime);
CHelperApp * app = new CHelperApp();
app->bChanged = TRUE;
app->bNewType = TRUE;
app->bChangedExts = FALSE;
app->how_handle = HANDLE_UNKNOWN;
app->cd_item = cd_item;
app->csCmd = "";
cd_item->ci.fe_data = app; // store the helper app object
// store in FE's list of types
theApp.m_HelperListByType.SetAt(cd_item->ci.type, app);
// tell the netlib about it
XP_ListAddObjectToEnd(infolist,cd_item);
return app;
}
// Sets the shell open command string value for the given file class
void
SetShellOpenCommand(LPCSTR lpszFileClass, LPCSTR lpszCmdString)
{
char szKey[_MAX_PATH];
HKEY hKey;
LONG lResult;
// Build the subkey string
wsprintf(szKey, "%s\\shell\\open\\command", lpszFileClass);
// Update the shell\open\command for the file type class
lResult = RegCreateKey(HKEY_CLASSES_ROOT, szKey, &hKey);
if (lResult == ERROR_SUCCESS) {
RegSetValue(hKey, NULL, REG_SZ, lpszCmdString, lstrlen(lpszCmdString));
RegCloseKey(hKey);
}
}
#ifdef _WIN32
// We expect the extension to begin with '.'
static void
AddToMIMEDatabase(LPCSTR lpszType, LPCSTR lpszExt)
{
char szKey[_MAX_PATH];
HKEY hKey;
PR_snprintf(szKey, sizeof(szKey), "MIME\\Database\\Content Type\\%s", lpszType);
// What we're really doing is setting the default extension for the
// content type
//
// Since we don't have a UI for specifying the default extension when creating
// a new file type, only add this is there's nothing already there
if (RegCreateKey(HKEY_CLASSES_ROOT, szKey, &hKey) == ERROR_SUCCESS) {
DWORD cbData;
LONG lResult;
// See if there's anything there
cbData = 0;
lResult = RegQueryValueEx(hKey, "Extension", NULL, NULL, NULL, &cbData);
if (lResult != ERROR_SUCCESS || cbData <= 1)
RegSetValueEx(hKey, "Extension", 0, REG_SZ, (CONST BYTE *)lpszExt, lstrlen(lpszExt) + 1);
// Close the key
RegCloseKey(hKey);
}
}
#endif
// Adds a new content type to the list of Netscape specific types, and adds lpszExtension
// to the list of extensions for the MIME type. lpszExtenion should have a leading '.'
static void
AddNetscapeMimeType(LPCSTR lpszMimeType, LPCSTR lpszExtension)
{
char szBuf[20];
// Add this to the list of user-defined MIME types
sprintf(szBuf, "TYPE%d", theApp.m_iNumTypesInINIFile++);
theApp.WriteProfileString("Viewers", szBuf, lpszMimeType);
// Get the list of extensions for the MIME type
CString strExtList(theApp.GetProfileString("Suffixes", lpszMimeType));
ASSERT(lpszExtension && (*lpszExtension == '.'));
strExtList.TrimLeft();
strExtList.TrimRight();
if (strExtList.IsEmpty()) {
theApp.WriteProfileString("Suffixes", lpszMimeType, lpszExtension);
} else if (!ExtensionIsInList(strExtList, lpszExtension + 1)) {
// Add the extension to the end of the list
strExtList += ',';
strExtList += lpszExtension;
theApp.WriteProfileString("Suffixes", lpszMimeType, (LPCSTR)strExtList);
}
}
// Routine to add a new file type. Note that this routine is also called
// when the user is adding an additional MIME type to an existing file
// extension
NET_cdataStruct *
fe_NewFileType(LPCSTR lpszDescription,
LPCSTR lpszExtension,
LPCSTR lpszMimeType,
LPCSTR lpszOpenCmd)
{
char szExtKey[_MAX_PATH];
CString strFileClass;
HKEY hKey;
#ifdef _WIN32
BOOL bAlreadyHasMimeType;
#endif
// Create a key for the file type extension. There may already be a key for
// this extension; that's okay this will open it
wsprintf(szExtKey, ".%s", lpszExtension);
if (RegCreateKey(HKEY_CLASSES_ROOT, szExtKey, &hKey) != ERROR_SUCCESS)
return NULL;
// Set the file type class associated with the extension. Note that we ONLY
// do this if there is no file type class. If there's already a file type class
// we assume that we're just adding another MIME type for this file type
if (!GetClassName(lpszExtension, strFileClass)) {
// Create a file type class
strFileClass = lpszExtension;
strFileClass += "file";
// Set the file type class
RegSetValue(hKey, NULL, REG_SZ, (LPCSTR)strFileClass, strFileClass.GetLength());
}
#ifdef _WIN32
// Add the Content Type for the extension. Only do this if there isn't already a
// content type specified for the extension. Note: unfortunately Microsoft only
// allows a single content type for a particular extension. If there's already a
// content type that's okay, we'll add the additional content type to the MIME database
LONG lResult;
DWORD cbData;
ASSERT(lpszMimeType);
cbData = 0;
lResult = RegQueryValueEx(hKey, "Content Type", NULL, NULL, NULL, &cbData);
bAlreadyHasMimeType = (lResult == ERROR_SUCCESS && cbData > 1);
if (!bAlreadyHasMimeType)
RegSetValueEx(hKey, "Content Type", 0, REG_SZ, (CONST BYTE *)lpszMimeType, lstrlen(lpszMimeType) + 1);
#endif
RegCloseKey(hKey);
// Create a key for the file type class. If there's already a key this will open
// it
RegCreateKey(HKEY_CLASSES_ROOT, (LPCSTR)strFileClass, &hKey);
// Set the description
RegSetValue(hKey, NULL, REG_SZ, lpszDescription, lstrlen(lpszDescription));
RegCloseKey(hKey);
// Add the shell Open command
SetShellOpenCommand((LPCSTR)strFileClass, lpszOpenCmd);
// Update the MIME database information
#ifdef _WIN32
AddToMIMEDatabase(lpszMimeType, szExtKey);
// If there's already a MIME type and we're adding an additional type, then
// add it to the Netscape specific information in the Suffixes section
if (bAlreadyHasMimeType)
AddNetscapeMimeType(lpszMimeType, szExtKey);
#else
AddNetscapeMimeType(lpszMimeType, szExtKey);
#endif
// Create the NET_cdataStruct structure and associated CHelperApp object
NET_cdataStruct *pcdata = NET_cdataCreate();
if (pcdata) {
pcdata->ci.desc = XP_STRDUP(lpszDescription);
pcdata->ci.type = XP_STRDUP(lpszMimeType);
pcdata->num_exts = 0;
pcdata->exts = (char **)XP_ALLOC(sizeof(char *));
if (pcdata->exts) {
pcdata->exts[0] = XP_STRDUP(lpszExtension);
if (pcdata->exts[0]) {
pcdata->num_exts = 1;
} else {
XP_FREE(pcdata->exts);
pcdata->exts = 0;
}
}
// Add it to the netlib list
NET_cdataAdd(pcdata);
// Create the front-end data structure
CHelperApp *pApp = new CHelperApp;
if (pApp) {
// Initialize the object
pApp->bChanged = FALSE;
pApp->bNewType = FALSE;
pApp->bChangedExts = FALSE;
pApp->how_handle = HANDLE_SHELLEXECUTE;
pApp->csCmd = MIME_SHELLEXECUTE;
pApp->strFileClass = strFileClass;
// Front-end and netlib data structures need to point to each other
pApp->cd_item = pcdata;
pcdata->ci.fe_data = (void *)pApp;
// Store it in the global list ordered by MIME type
theApp.m_HelperListByType.SetAt(pcdata->ci.type, pApp);
}
}
return pcdata;
}
#ifdef _WIN32
// Routine to recursively delete a key with subkeys. Needed under Win NT only
LONG
RegDeleteKeyNT(HKEY hStartKey, LPCSTR lpszKeyName)
{
HKEY hKey;
LONG lResult;
// Do not allow NULL or empty key name
if (!lpszKeyName || *lpszKeyName == '\0')
return ERROR_BADKEY;
lResult = RegOpenKeyEx(hStartKey, lpszKeyName, 0, KEY_ENUMERATE_SUB_KEYS | DELETE, &hKey);
if (lResult != ERROR_SUCCESS)
return lResult;
while (lResult == ERROR_SUCCESS) {
char szName[256];
DWORD cbName = sizeof(szName);
FILETIME ftLastWriteTime;
// Recursively delete each of the subkeys
lResult = RegEnumKeyEx(hKey, 0, szName, &cbName, NULL, NULL, NULL, &ftLastWriteTime);
if (lResult == ERROR_SUCCESS)
lResult = RegDeleteKeyNT(hKey, szName);
}
RegCloseKey(hKey);
return RegDeleteKey(hStartKey, lpszKeyName);
}
#endif
// Returns the count of the number of NET_cdataStruct structures that have
// lpszFileClass as their file type class
static int
OccurencesOfFileClass(LPCSTR lpszFileClass)
{
XP_List *pTypesList = cinfo_MasterListPointer();
NET_cdataStruct *pcdata = NULL;
int nResult = 0;
while ((pcdata = (NET_cdataStruct *)XP_ListNextObject(pTypesList))) {
if (pcdata->ci.fe_data) {
CHelperApp *pHelperApp = (CHelperApp *)pcdata->ci.fe_data;
if (pHelperApp->strFileClass == lpszFileClass)
nResult++;
}
}
return nResult;
}
// Removes a file type
BOOL
fe_RemoveFileType(NET_cdataStruct *pcdata)
{
CHelperApp *pHelperApp = (CHelperApp *)pcdata->ci.fe_data;
if (pHelperApp && (pHelperApp->how_handle == HANDLE_SHELLEXECUTE || pHelperApp->how_handle == HANDLE_BY_OLE)) {
// Remove the registry keys
for (int i = 0; i < pcdata->num_exts; i++) {
CString strClass;
// Get the file type class
if (GetClassName(pcdata->exts[i], strClass)) {
// Remove the subkey for the file type class. Don't delete the file type class
// unless this is the only netlib entry that has this file type class. The
// reason for this is that we arrange items by MIME type and not by file type class
// like Windows does. The user is asking to remove a particular MIME type and
// it's associated extensions; only remove the file type class if this is the only
// item with that file type class
ASSERT(pHelperApp->strFileClass == strClass);
if (OccurencesOfFileClass((LPCSTR)strClass) <= 1) {
#ifdef _WIN32
RegDeleteKeyNT(HKEY_CLASSES_ROOT, (LPCSTR)strClass);
#else
RegDeleteKey(HKEY_CLASSES_ROOT, (LPCSTR)strClass);
#endif
}
}
// Remove the key for the file type extension
char szBuf[_MAX_PATH];
PR_snprintf(szBuf, sizeof(szBuf), ".%s", pcdata->exts[i]);
#ifdef _WIN32
RegDeleteKeyNT(HKEY_CLASSES_ROOT, szBuf);
#else
RegDeleteKey(HKEY_CLASSES_ROOT, szBuf);
#endif
#ifdef _WIN32
// Clean up the MIME database. Only remove this key if the default
// extension matches this extension
if (pcdata->ci.type) {
HKEY hKey;
LONG lResult;
PR_snprintf(szBuf, sizeof(szBuf), "MIME\\Database\\Content Type\\%s",
pcdata->ci.type);
if (RegOpenKeyEx(HKEY_CLASSES_ROOT, szBuf, 0, KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS) {
BOOL bDeleteKey = FALSE;
DWORD cbData;
char szDefaultExt[_MAX_EXT];
// Get the extension associated with this MIME type
cbData = sizeof(szDefaultExt);
lResult = RegQueryValueEx(hKey, "Extension", NULL, NULL, (LPBYTE)szDefaultExt, &cbData);
if (lResult == ERROR_SUCCESS && cbData > 2) {
// Only delete the key if the extension matches one of the extensions in our list
bDeleteKey = ExtensionIsInList(pcdata, &szDefaultExt[1]);
}
RegCloseKey(hKey);
if (bDeleteKey)
RegDeleteKeyNT(HKEY_CLASSES_ROOT, szBuf);
}
}
#endif
}
}
// Cleanup up any Netscape specific associations
if (pcdata->ci.type) {
theApp.WriteProfileString("Suffixes", pcdata->ci.type, NULL);
theApp.WriteProfileString("Viewers", pcdata->ci.type, NULL);
}
// Clean up the FE data structures
if (pHelperApp) {
// Remove the helper app from the global list
if (pcdata->ci.type)
theApp.m_HelperListByType.RemoveKey(pcdata->ci.type);
delete pHelperApp;
pcdata->ci.fe_data = NULL;
}
// Remove the item from the cdata list. This frees it as well
NET_cdataRemove(pcdata);
return TRUE;
}
static void
ChangeMIMEType(NET_cdataStruct *pcdata, LPCSTR lpszMimeType, int nHowToHandle)
{
// We need to check both the Netscape specific information, and we also
// need to check the registry. First check the Netscape specific information
CString strValue;
// First thing to handle is the Viewers section. See if there's an application
// associated with this MIME type
strValue = theApp.GetProfileString("Viewers", pcdata->ci.type, NULL);
if (!strValue.IsEmpty()) {
// Rename the key by removing the old key and creating a new key with the same value
theApp.WriteProfileString("Viewers", pcdata->ci.type, NULL);
theApp.WriteProfileString("Viewers", lpszMimeType, (LPCSTR)strValue);
}
// Check if there is a "TYPE%d" value associated with this MIME type
for (int i = 0; i < theApp.m_iNumTypesInINIFile; i++) {
char szBuf[20];
sprintf(szBuf, "TYPE%d" ,i);
strValue = theApp.GetProfileString("Viewers", szBuf, NULL);
if (strValue.CompareNoCase(pcdata->ci.type) == 0) {
// Rename the key by removing the old key and creating a new key with the same value
theApp.WriteProfileString("Viewers", szBuf, NULL);
theApp.WriteProfileString("Viewers", szBuf, lpszMimeType);
break;
}
}
// See if there are file extensions specified for the type
strValue = theApp.GetProfileString("Suffixes", pcdata->ci.type, NULL);
if (!strValue.IsEmpty()) {
// Rename the key by removing the old key and creating a new key with the same value
theApp.WriteProfileString("Suffixes", pcdata->ci.type, NULL);
theApp.WriteProfileString("Suffixes", lpszMimeType, (LPCSTR)strValue);
}
#ifdef _WIN32
char szKey[_MAX_PATH];
HKEY hKey;
LONG lResult;
// Check the registry. We need to check the MIME database, and the Content Type associated
// with each of the file extensions
PR_snprintf(szKey, sizeof(szKey), "MIME\\Database\\Content Type\\%s", pcdata->ci.type);
// Get the extension that's associated with this MIME type
if (RegOpenKeyEx(HKEY_CLASSES_ROOT, szKey, 0, KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS) {
BOOL bDeleteKey = FALSE;
DWORD cbData;
char szDefaultExt[_MAX_EXT];
// Get the key value
cbData = sizeof(szDefaultExt);
lResult = RegQueryValueEx(hKey, "Extension", NULL, NULL, (LPBYTE)szDefaultExt, &cbData);
RegCloseKey(hKey);
if (lResult == ERROR_SUCCESS && cbData > 1) {
// Only rename the key if the extension matches one of the extensions in our list
if (ExtensionIsInList(pcdata, &szDefaultExt[1])) {
// Rename the key by deleting it and creating a new key
RegDeleteKey(HKEY_CLASSES_ROOT, szKey);
AddToMIMEDatabase(lpszMimeType, szDefaultExt);
}
}
} else {
char szDefaultExt[_MAX_EXT];
// There's no existing MIME type entry so go ahead and create a new key. Use
// the first extension in the list
wsprintf(szDefaultExt, ".%s", pcdata->exts[0]);
AddToMIMEDatabase(lpszMimeType, szDefaultExt);
}
// Rename the Content Type values associated with the extensions
for (i = 0; i < pcdata->num_exts; i++) {
char szKey[_MAX_EXT];
HKEY hKey;
LONG lResult;
// Build the file association key. It must begin with a '.'
wsprintf(szKey, ".%s", pcdata->exts[i]);
// Open the key for the file extension
lResult = RegOpenKeyEx(HKEY_CLASSES_ROOT, szKey, 0, KEY_QUERY_VALUE | KEY_SET_VALUE, &hKey);
if (lResult == ERROR_SUCCESS) {
char szContentType[256];
DWORD cbData;
DWORD dwType;
// Only change the MIME type for the extension if the MIME type that's currently
// there matches
cbData = sizeof(szContentType);
lResult = RegQueryValueEx(hKey, "Content Type", NULL, &dwType, (LPBYTE)szContentType, &cbData);
if (lResult == ERROR_SUCCESS && cbData > 1) {
if (lstrcmpi(szContentType, pcdata->ci.type) == 0) {
// Change the MIME type
RegSetValueEx(hKey, "Content Type", 0, REG_SZ, (CONST BYTE *)lpszMimeType, lstrlen(lpszMimeType) + 1);
}
} else {
// There is no existing MIME type, so go ahead and add one
RegSetValueEx(hKey, "Content Type", 0, REG_SZ, (CONST BYTE *)lpszMimeType, lstrlen(lpszMimeType) + 1);
}
RegCloseKey(hKey);
}
}
#endif
// Update the FE list ordered by MIME type
theApp.m_HelperListByType.RemoveKey(pcdata->ci.type);
theApp.m_HelperListByType.SetAt(lpszMimeType, (CHelperApp *)pcdata->ci.fe_data);
// Now go ahead and change the MIME type in the netlib data structure
StrAllocCopy(pcdata->ci.type, lpszMimeType);
}
BOOL
fe_ChangeFileType(NET_cdataStruct *pcdata, LPCSTR lpszMimeType, int nHowToHandle, LPCSTR lpszOpenCmd)
{
CHelperApp *pHelperApp = (CHelperApp *)pcdata->ci.fe_data;
CString strFileClass;
// See if the MIME type changed
if (strcmpi(pcdata->ci.type, lpszMimeType) != 0) {
ChangeMIMEType(pcdata, lpszMimeType, nHowToHandle);
}
// See if how we handle it changed
if (pHelperApp->how_handle != nHowToHandle) {
pHelperApp->how_handle = nHowToHandle;
if (pcdata->ci.type) {
// Almost everything is stored in the registry now except for
// the special types that Netscape can handle internally
if (strcmp(pcdata->ci.type, IMAGE_GIF) == 0) {
if (pHelperApp->how_handle == HANDLE_VIA_NETSCAPE)
NET_RegisterContentTypeConverter(IMAGE_GIF, FO_PRESENT, NULL, IL_ViewStream);
else {
if (pHelperApp->how_handle == HANDLE_SHELLEXECUTE)
pHelperApp->how_handle = HANDLE_EXTERNAL; // save in Netscape specific information
NET_RegisterContentTypeConverter(IMAGE_GIF, FO_PRESENT, NULL , external_viewer_disk_stream);
}
}
if (strcmp(pcdata->ci.type, IMAGE_JPG) == 0) {
if (pHelperApp->how_handle == HANDLE_VIA_NETSCAPE)
NET_RegisterContentTypeConverter(IMAGE_JPG, FO_PRESENT, NULL, IL_ViewStream);
else {
if (pHelperApp->how_handle == HANDLE_SHELLEXECUTE)
pHelperApp->how_handle = HANDLE_EXTERNAL; // save in Netscape specific information
NET_RegisterContentTypeConverter(IMAGE_JPG, FO_PRESENT, NULL , external_viewer_disk_stream);
}
}
if (strcmp(pcdata->ci.type, IMAGE_XBM) == 0) {
if (pHelperApp->how_handle == HANDLE_VIA_NETSCAPE)
NET_RegisterContentTypeConverter(IMAGE_XBM, FO_PRESENT, NULL, IL_ViewStream);
else {
if (pHelperApp->how_handle == HANDLE_SHELLEXECUTE)
pHelperApp->how_handle = HANDLE_EXTERNAL; // save in Netscape specific information
NET_RegisterContentTypeConverter(IMAGE_XBM, FO_PRESENT, NULL , external_viewer_disk_stream);
}
}
}
// Make sure we don't leave old Netscape specific information lying around. Note that
// for types that Netscape can handle internally it's assumed we're handling it unless
// it's marked as HANDLE_EXTERNAL in the Netscape specific information
if (pHelperApp->how_handle == HANDLE_EXTERNAL || pHelperApp->how_handle == HANDLE_SAVE) {
// This gets saved in fe_CleanupFileFormatTypes()
if (pHelperApp->how_handle == HANDLE_SAVE)
pHelperApp->csCmd = MIME_SAVE;
pHelperApp->bChanged = TRUE;
} else {
// Remove any existing entry for this MIME type. If the MIME type isn't listed in the
// Viewers section, then we use the default behavior which is HANDLE_SHELLEXECUTE
theApp.WriteProfileString("Viewers", pcdata->ci.type, NULL);
}
}
// See if the Open command has changed
switch (pHelperApp->how_handle) {
case HANDLE_EXTERNAL:
if (pHelperApp->csCmd.Compare(lpszOpenCmd) != 0) {
pHelperApp->csCmd = lpszOpenCmd;
// Update the Netscape specific association
if (pcdata->ci.type)
theApp.WriteProfileString("Viewers", pcdata->ci.type, lpszOpenCmd);
}
break;
case HANDLE_SHELLEXECUTE:
if (GetClassName(pcdata->exts[0], strFileClass) && !strFileClass.IsEmpty())
SetShellOpenCommand(strFileClass, lpszOpenCmd);
break;
case HANDLE_BY_OLE:
fe_SetHandleByOLE(pcdata->ci.type, pHelperApp, TRUE);
break;
default:
break;
}
return TRUE;
}
// exts - Array of Pointers of extension.
// numofExt - number of extension in this array.
// return - TRUE if these extension can be handle by OLE, otherwise FALSE.
BOOL fe_CanHandleByOLE(char** exts, short numOfExt)
{
char aExtension[MAX_PATH + 1];
BOOL canHandleByOLE = FALSE;
HKEY hkSubCLSID ;
HKEY hTempKey;
LONG cb;
TCHAR szName[MAX_PATH + 1];
TCHAR szBuf[MAX_PATH + 1];
TCHAR szTempCLSID[MAX_PATH + 1];
cb = sizeof(szName);
for (int i = 0; i < numOfExt; i++) {
strcpy(aExtension, exts[i]); // reset for next extension.
if ((RegQueryValue( HKEY_CLASSES_ROOT, (LPTSTR)aExtension, szName, &cb) == ERROR_SUCCESS) &&
(RegOpenKey( HKEY_CLASSES_ROOT, szName, &hkSubCLSID ) == ERROR_SUCCESS)) {
cb = sizeof(szName);
// get the clsid key for this extension.
if (RegQueryValue(hkSubCLSID, "CLSID", szTempCLSID, &cb) == ERROR_SUCCESS) {
wsprintf( szBuf, _T("CLSID\\%s\\Insertable"), (LPTSTR)szTempCLSID) ;
if (RegOpenKey( HKEY_CLASSES_ROOT, szBuf, &hTempKey ) == ERROR_SUCCESS) {
canHandleByOLE = TRUE;
RegCloseKey( hTempKey ) ;
}
}
RegCloseKey( hkSubCLSID ) ;
}
}
return canHandleByOLE;
}
BOOL fe_SetHandleByOLE(char* mimeType, CHelperApp* app, BOOL handleByOLE)
{
if (handleByOLE) {
app->how_handle = HANDLE_BY_OLE;
app->csCmd = MIME_OLE;
return theApp.WriteProfileString("Viewers", mimeType, MIME_OLE);
}
else {
app->how_handle = HANDLE_SHELLEXECUTE;
app->csCmd = MIME_SHELLEXECUTE;
return theApp.WriteProfileString("Viewers", mimeType, NULL);
}
}
BOOL fe_IsHandleByOLE(char* mimeType)
{
CString csCmd = theApp.GetProfileString("Viewers", mimeType);
if (csCmd.Compare( MIME_OLE))
return FALSE;
else return TRUE;
}
#ifdef XP_WIN32
//This function is taken from the PE file Profile.cpp
BOOL CopyRegKeys(HKEY hKeyOldName,
HKEY hKeyNewName,
DWORD subkeys,
DWORD maxSubKeyLen,
DWORD maxClassLen,
DWORD values,
DWORD maxValueNameLen,
DWORD maxValueLen,
const char *OldPath,
const char *NewPath)
{
BOOL Err = FALSE;
DWORD index;
// first loop through and copies all the value keys
if (values > 0) {
DWORD valueNameSize = maxValueNameLen + 1;
char *valueName = (char *)malloc(sizeof(char) * valueNameSize);
DWORD dataSize = maxValueLen + 1;
unsigned char *data = (unsigned char *)malloc(sizeof(char) * dataSize);
DWORD type;
if ((valueName) && (data)) {
for (index=0; index<values; index++) {
// gets each value name and its data
if (ERROR_SUCCESS == RegEnumValue(hKeyOldName, index, valueName, &valueNameSize, NULL, &type, data, &dataSize)) {
// create value in our new profile key
if (ERROR_SUCCESS != RegSetValueEx(hKeyNewName, valueName, 0, type, data, dataSize)) {
// unknown err occured... what do we do?
Err = TRUE;
return FALSE;
}
}
valueNameSize = maxValueNameLen + 1;
dataSize = maxValueLen + 1;
}
free(valueName);
free(data);
}
}
// next, we need to creates subkey folders
if (subkeys > 0) {
char OldSubkeyPath[260];
char NewSubkeyPath[260];
HKEY hkeyOldSubkey;
HKEY hkeyNewSubkey;
for (index=0; index<subkeys; index++) {
DWORD subkeyNameSize = maxSubKeyLen + 1;
char *subkeyName = (char *)malloc(sizeof(char) * subkeyNameSize);
if (subkeyName) {
// gets each subkey name
if (ERROR_SUCCESS == RegEnumKey(hKeyOldName, index, subkeyName, subkeyNameSize)) {
// create subkey in our new profile keypath
if (ERROR_SUCCESS != RegCreateKey(hKeyNewName, subkeyName, &hkeyNewSubkey)) {
Err = TRUE;
return FALSE;
}
// now the subkey is created, we need to get hkey value for oldpath and
// then copy everything in the keys again
// construct key path
strcpy((char *)OldSubkeyPath, OldPath);
strcat((char *)OldSubkeyPath, "\\");
strcat((char *)OldSubkeyPath, subkeyName);
strcpy((char *)NewSubkeyPath, NewPath);
strcat((char *)NewSubkeyPath, "\\");
strcat((char *)NewSubkeyPath, subkeyName);
free(subkeyName);
// now... try to start the copying process for our subkey here
// first, gets the hkey for the old subkey profile path
if (ERROR_SUCCESS == RegOpenKeyEx(HKEY_LOCAL_MACHINE, (char *)OldSubkeyPath, NULL, KEY_ALL_ACCESS, &hkeyOldSubkey)) {
DWORD SubKeys;
DWORD MaxSubKeyLen;
DWORD MaxClassLen;
DWORD Values;
DWORD MaxValueNameLen;
DWORD MaxValueLen;
DWORD SecurityDescriptor;
FILETIME LastWriteTime;
// get some information about this old profile subkey
if (ERROR_SUCCESS == RegQueryInfoKey(hkeyOldSubkey, NULL, NULL, NULL, &SubKeys, &MaxSubKeyLen, &MaxClassLen, &Values, &MaxValueNameLen, &MaxValueLen, &SecurityDescriptor, &LastWriteTime)) {
// copy the values & key stuff
Err = CopyRegKeys(hkeyOldSubkey, hkeyNewSubkey, SubKeys, MaxSubKeyLen, MaxClassLen, Values, MaxValueNameLen, MaxValueLen, (char *)OldSubkeyPath, (char *)NewSubkeyPath);
if (!Err)
return FALSE;
}
RegCloseKey(hkeyOldSubkey);
}
}
}
}
}
return TRUE;
}
#endif
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