mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-05 16:46:26 +00:00
384 lines
12 KiB
C++
Executable File
384 lines
12 KiB
C++
Executable File
/* -*- 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 "regproto.h"
|
|
|
|
#include "wfedde.h"
|
|
#include "oleprot1.h"
|
|
#include "winproto.h"
|
|
|
|
extern "C" XP_Bool FE_UseExternalProtocolModule(MWContext *pContext, FO_Present_Types iFormatOut, URL_Struct *pURL,
|
|
Net_GetUrlExitFunc *pExitFunc) {
|
|
// Purpose: See if we're supposed to handle a specific protocol differently.
|
|
// Arguments: pContext The context.
|
|
// iFormatOut The format out (possibly saving).
|
|
// pURL The URL to load.
|
|
// pExitFunc The URL exit routine. If we handle the protocol, we use the function.
|
|
// Returns: BOOL TRUE We want to handle the protocol here.
|
|
// FALSE Netlib continues to handle the protocol.
|
|
// Comments: To work with certain DDE topics which can cause URLs of a specific protocol type to be handled by another
|
|
// application.
|
|
// Revision History:
|
|
// 01-17-95 created GAB
|
|
//
|
|
|
|
// Extract the protocol.
|
|
if(pURL->address == NULL) {
|
|
return(FALSE);
|
|
}
|
|
CString csProtocol = pURL->address;
|
|
csProtocol = csProtocol.SpanExcluding(":");
|
|
|
|
// See if there's a protocol handler.
|
|
CProtocolItem *pItem = CProtocolItem::Find(csProtocol);
|
|
if(pItem == NULL) {
|
|
return(FALSE);
|
|
}
|
|
TRACE("External protocol handler being used.\n");
|
|
|
|
// Have the handler attempt, respect it's return value.
|
|
// Call the URL exit routine if it works.
|
|
if((TwoByteBool)TRUE == pItem->OpenURL(pURL, pContext, iFormatOut)) {
|
|
pExitFunc(pURL, MK_DATA_LOADED, pContext);
|
|
}
|
|
else {
|
|
return(FALSE);
|
|
}
|
|
return(TRUE);
|
|
}
|
|
|
|
// Static variables.
|
|
CPtrList CProtocolRegistry::m_Registry;
|
|
|
|
CProtocolRegistry::CProtocolRegistry() {
|
|
// Purpose: Construct a registry item.
|
|
// Arguments: void
|
|
// Returns: none
|
|
// Comments: Simply add to this object to the registry list/NOT.
|
|
// Moved to be done in topmost derived classes, since this pointer dynamically changes!
|
|
// Revision History:
|
|
// 02-18-95 created
|
|
//
|
|
}
|
|
|
|
CProtocolRegistry::~CProtocolRegistry() {
|
|
// Purpose: Destruct a registry item.
|
|
// Arguments: void
|
|
// Returns: none
|
|
// Comments: Simply remove this object from the registry.
|
|
// Revision History:
|
|
// 02-18-95 created
|
|
//
|
|
TRACE("Removing protocol from the registry\n");
|
|
m_Registry.RemoveAt(m_rIndex);
|
|
}
|
|
|
|
CProtocolItem::CProtocolItem(CString& csProtocol, CString& csServiceName, int iType) : CProtocolRegistry() {
|
|
// Purpose: Register a new protocol Item, with protocol handling, service name, and service type.
|
|
// Arguments: csProtocol The protocol the attemp to handle.
|
|
// csServiceName The name of the service handler for the protocol.
|
|
// iType The type of service handler, usually DDE or OLE.
|
|
// Returns: none
|
|
// Comments: Uses base class to keep track of itself in the registry.
|
|
// Revision History:
|
|
// 02-18-95 created
|
|
//
|
|
TRACE("Protocol Item %s:%s:%d adding\n", (const char *)csProtocol, (const char *)csServiceName, iType);
|
|
m_csProtocol = csProtocol;
|
|
NET_AddExternalURLType((char *)(const char *)m_csProtocol);
|
|
m_csServiceName = csServiceName;
|
|
m_iType = iType;
|
|
}
|
|
|
|
CProtocolItem::~CProtocolItem() {
|
|
// Purpose: Destruct a protocol item.
|
|
// Arguments: void
|
|
// Returns: none
|
|
// Comments: nothing special.
|
|
// Revision History:
|
|
// 02-18-95 created GAB
|
|
//
|
|
// Do nothing, unless special cleanup required.
|
|
NET_DelExternalURLType((char *)(const char *)m_csProtocol);
|
|
TRACE("Protocol Item %s:%s:%d removing\n", (const char *)m_csProtocol, (const char *)m_csServiceName, m_iType);
|
|
}
|
|
|
|
int CProtocolItem::GetType() {
|
|
// Purpose: Determine the type of the protocol Item.
|
|
// Arguments: void
|
|
// Returns: int The enumerated type.
|
|
// Comments:
|
|
// Revision History:
|
|
// 02-18-95 created GAB
|
|
//
|
|
TRACE("Protocol Item type is %d\n", m_iType);
|
|
return(m_iType);
|
|
}
|
|
|
|
CString CProtocolItem::GetServiceName() {
|
|
// Purpose: Return the service name for the protocol item.
|
|
// Arguments: void
|
|
// Returns: CString The service name.
|
|
// Comments:
|
|
// Revision History:
|
|
// 02-18-95 created GAB
|
|
//
|
|
|
|
TRACE("Protocol Item service name is %s\n", (const char *)m_csServiceName);
|
|
return(m_csServiceName);
|
|
}
|
|
|
|
CProtocolItem *CProtocolItem::Find(CString& csProtocol) {
|
|
// Purpose: Search for the protocol in the registry.
|
|
// Arguments: csProtocol, the protocol to search for.
|
|
// Returns: CProtocolItem * A pointer to the registered handler for that protocol,
|
|
// or NULL if none found.
|
|
// Comments: This is a static function.
|
|
// Revision History:
|
|
// 01-18-95 created GAB
|
|
//
|
|
|
|
// Just loop through the registered protocols, and find the one we're looking for.
|
|
// Consider them case sensitive, need exact match.
|
|
CProtocolItem *pRetval = NULL;
|
|
POSITION rIndex = m_Registry.GetHeadPosition();
|
|
while(rIndex != NULL) {
|
|
pRetval = (CProtocolItem *)m_Registry.GetNext(rIndex);
|
|
if(csProtocol == pRetval->m_csProtocol) {
|
|
break;
|
|
}
|
|
else {
|
|
pRetval = NULL;
|
|
}
|
|
}
|
|
|
|
return(pRetval);
|
|
}
|
|
|
|
COLEProtocolItem::COLEProtocolItem(CString& csProtocol, CString& csServiceName) : CProtocolItem(csProtocol, csServiceName, m_OLE) {
|
|
// Purpose: Construct an OLE protocol item.
|
|
// Arguments: csProtocol The protocol handler type
|
|
// csServiceName The service name (automation server) of the protocol
|
|
// Returns: none
|
|
// Comments: Used to initialize the type in the base class.
|
|
// Revision History:
|
|
// 02-18-95 created GAB
|
|
//
|
|
TRACE("Creating an OLE protocol handler\n");
|
|
m_rIndex = m_Registry.AddTail(this);
|
|
}
|
|
|
|
BOOL COLEProtocolItem::OLERegister(CString& csProtocol, CString& csServiceName) {
|
|
// Purpose: Attempt to register an OLE protocol handler.
|
|
// Arguments: csProtocol The protocol the handle.
|
|
// csServiceName The OLE Automation Server to which create the dispatch to when we need to override the protocol.
|
|
// Returns: BOOL TRUE Registered.
|
|
// FALSE Not registered.
|
|
// Comments: Returns FALSE if ther is another registered protocol handler.
|
|
// Revision History:
|
|
// 02-17-95 created GAB
|
|
//
|
|
|
|
// See if anyone's already handling the protocol.
|
|
if(NULL != Find(csProtocol)) {
|
|
return(FALSE);
|
|
}
|
|
|
|
// Otherwise, we need to register this service to do it's job.
|
|
COLEProtocolItem *pDontCare = new COLEProtocolItem(csProtocol, csServiceName);
|
|
|
|
// Also, we need to save this information into the INI file.
|
|
theApp.WriteProfileString("Automation Protocols", csProtocol, csServiceName);
|
|
|
|
return(TRUE);
|
|
}
|
|
|
|
BOOL COLEProtocolItem::OLEUnRegister(CString& csProtocol, CString& csServiceName) {
|
|
// Purpose: Attempt to unregister a protocol handler.
|
|
// Arguments: csProtocol The protocol to not handle.
|
|
// csServiceName Should be the currently registered handler name.
|
|
// Returns: BOOL TRUE could unregister.
|
|
// FALSE couldn't unregister, as was never registered.
|
|
// Comments:
|
|
// Revision History:
|
|
// 02-17-95 created GAB
|
|
//
|
|
|
|
// Attempt to find the current handler.
|
|
CProtocolItem *pItem = Find(csProtocol);
|
|
if(pItem == NULL) {
|
|
return(FALSE);
|
|
}
|
|
|
|
// See if it's OLE.
|
|
if(pItem->GetType() != m_OLE) {
|
|
return(FALSE);
|
|
}
|
|
|
|
// See if it's the same name.
|
|
COLEProtocolItem *pOLEItem = (COLEProtocolItem *)pItem;
|
|
if(pOLEItem->GetServiceName() != csServiceName) {
|
|
return(FALSE);
|
|
}
|
|
|
|
// Get rid of it.
|
|
// Out of the INI file too.
|
|
delete pOLEItem;
|
|
theApp.WriteProfileString("Automation Protocols", csProtocol, NULL);
|
|
|
|
return(TRUE);
|
|
}
|
|
|
|
BOOL COLEProtocolItem::OpenURL(URL_Struct *pURL, MWContext *pContext, FO_Present_Types iFormatOut) {
|
|
// Purpose: Have a OLE service name open up a URL.
|
|
// Arguments: pURL The url to open.
|
|
// pContext The context in which it is opening.
|
|
// iFormatOut The format out.
|
|
// Returns: BOOL TRUE can open.
|
|
// FALSE can't open; the server won't talk.
|
|
// Comments: virtual handler for OpenURL resolves to correct class for protocol handling.
|
|
// Revision History:
|
|
// 02-17-95 created GAB
|
|
//
|
|
|
|
// Only handle, FO_PRESENT types for now.
|
|
if((iFormatOut & FO_PRESENT) != FO_PRESENT) {
|
|
return(FALSE);
|
|
}
|
|
|
|
// Start up a conversation with our protocol handler.
|
|
IIProtocol1 ProtocolHandler;
|
|
TRY {
|
|
ProtocolHandler.CreateDispatch(m_csServiceName);
|
|
if(ProtocolHandler.Initialize(m_csProtocol, pURL->address) == 0) {
|
|
return(FALSE);
|
|
}
|
|
ProtocolHandler.Open(pURL->address);
|
|
}
|
|
CATCH(CException, e) { // Any exception will do
|
|
|
|
// Tell the user that we were unable to complete the operation, ask them if they would like to unregister the handler.
|
|
TRACE("Couldn't connect to the OLE automation server\n");
|
|
CString csMessage = szLoadString(IDS_OLE_CANTUSE_HANDLER);
|
|
csMessage += m_csServiceName;
|
|
csMessage += ". ";
|
|
csMessage += szLoadString(IDS_OLE_CANTUSE_VIEWER2);
|
|
|
|
if(IDNO == AfxMessageBox(csMessage, MB_YESNO)) {
|
|
// They don't want to use the handler in the future.
|
|
// Unregister it.
|
|
OLEUnRegister(m_csProtocol, m_csServiceName);
|
|
}
|
|
return(FALSE);
|
|
}
|
|
END_CATCH;
|
|
|
|
return(TRUE);
|
|
}
|
|
|
|
CDDEProtocolItem::CDDEProtocolItem(CString& csProtocol, CString& csServiceName) : CProtocolItem(csProtocol, csServiceName, m_DDE) {
|
|
// Purpose: Construct an DDE protocol item.
|
|
// Arguments: csProtocol The protocol handler type
|
|
// csServiceName The service name (DDE server) of the protocol
|
|
// Returns: none
|
|
// Comments: Used to initialize the type in the base class.
|
|
// Revision History:
|
|
// 02-18-95 created GAB
|
|
//
|
|
TRACE("Creating a DDE protocol handler\n");
|
|
m_rIndex = m_Registry.AddTail(this);
|
|
}
|
|
|
|
BOOL CDDEProtocolItem::DDERegister(CString& csProtocol, CString& csServiceName) {
|
|
// Purpose: Attempt to register a DDE protocol handler.
|
|
// Arguments: csProtocol The protocol to handle.
|
|
// csServiceName The DDE service name of the handling applciation.
|
|
// Returns: BOOL TRUE Registered.
|
|
// FALSE Not registered.
|
|
// Comments: Only returns FALSE if there is an already registered protcol handler.
|
|
// Revision History:
|
|
// 01-18-95 created GAB
|
|
//
|
|
|
|
// This is really easy.
|
|
// If we find a prtocol handler for this protocl, then we can't do it.
|
|
if(NULL != Find(csProtocol)) {
|
|
return(FALSE);
|
|
}
|
|
|
|
// Otherwise, simply create a new protocol item.
|
|
CDDEProtocolItem *pDontCare = new CDDEProtocolItem(csProtocol, csServiceName);
|
|
if(pDontCare != NULL) {
|
|
return(TRUE);
|
|
}
|
|
return(FALSE);
|
|
}
|
|
|
|
BOOL CDDEProtocolItem::DDEUnRegister(CString& csProtocol, CString& csServiceName) {
|
|
// Purpose: Attempt to unregister a protocol handler.
|
|
// Arguments: csProtocol The protocol to not handle.
|
|
// csServiceName Should be the currently registered handler name.
|
|
// Returns: BOOL TRUE could unregister.
|
|
// FALSE couldn't unregister, as was never registered.
|
|
// Comments:
|
|
// Revision History:
|
|
// 01-18-95 created GAB
|
|
//
|
|
|
|
// Attempt to find the current handler.
|
|
CProtocolItem *pItem = Find(csProtocol);
|
|
if(pItem == NULL) {
|
|
return(FALSE);
|
|
}
|
|
|
|
// See if it's DDE.
|
|
if(pItem->GetType() != m_DDE) {
|
|
return(FALSE);
|
|
}
|
|
|
|
// See if it's the same name.
|
|
CDDEProtocolItem *pDDEItem = (CDDEProtocolItem *)pItem;
|
|
if(pDDEItem->GetServiceName() != csServiceName) {
|
|
return(FALSE);
|
|
}
|
|
|
|
// Get rid of it.
|
|
delete pDDEItem;
|
|
return(TRUE);
|
|
}
|
|
|
|
BOOL CDDEProtocolItem::OpenURL(URL_Struct *pURL, MWContext *pContext, FO_Present_Types iFormatOut) {
|
|
// Purpose: Have a DDE service name open up a URL.
|
|
// Arguments: pURL The url to open.
|
|
// pContext The context in which it is opening.
|
|
// iFormatOut The format out, wether to save or not basically.
|
|
// Returns: BOOL TRUE can open.
|
|
// FALSE can't open; the server won't talk.
|
|
// Comments: virtual handler for OpenURL resolves to correct class for protocol handling.
|
|
// Calls back into DDE code for actual opening.
|
|
// Revision History:
|
|
// 01-18-95 created GAB
|
|
//
|
|
|
|
// Just call the DDE implementation to open up the URL.
|
|
// Be sure to let them know the service name.
|
|
return(CDDEWrapper::OpenURL(m_csProtocol, m_csServiceName, pURL, pContext, iFormatOut));
|
|
}
|