RetroZilla/modules/plugin/tools/sdk/samples/common/np_entry.cpp
2015-10-20 23:03:22 -04:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
//////////////////////////////////////////////////////////////
//
// Main plugin entry point implementation -- exports from the
// plugin library
//
#include "npplat.h"
#include "pluginbase.h"
NPNetscapeFuncs NPNFuncs;
NPError OSCALL NP_Shutdown()
{
NS_PluginShutdown();
return NPERR_NO_ERROR;
}
static NPError fillPluginFunctionTable(NPPluginFuncs* aNPPFuncs)
{
if(aNPPFuncs == NULL)
return NPERR_INVALID_FUNCTABLE_ERROR;
// Set up the plugin function table that Netscape will use to
// call us. Netscape needs to know about our version and size
// and have a UniversalProcPointer for every function we implement.
aNPPFuncs->version = (NP_VERSION_MAJOR << 8) | NP_VERSION_MINOR;
#ifdef XP_MAC
aNPPFuncs->newp = NewNPP_NewProc(Private_New);
aNPPFuncs->destroy = NewNPP_DestroyProc(Private_Destroy);
aNPPFuncs->setwindow = NewNPP_SetWindowProc(Private_SetWindow);
aNPPFuncs->newstream = NewNPP_NewStreamProc(Private_NewStream);
aNPPFuncs->destroystream = NewNPP_DestroyStreamProc(Private_DestroyStream);
aNPPFuncs->asfile = NewNPP_StreamAsFileProc(Private_StreamAsFile);
aNPPFuncs->writeready = NewNPP_WriteReadyProc(Private_WriteReady);
aNPPFuncs->write = NewNPP_WriteProc(Private_Write);
aNPPFuncs->print = NewNPP_PrintProc(Private_Print);
aNPPFuncs->event = NewNPP_HandleEventProc(Private_HandleEvent);
aNPPFuncs->urlnotify = NewNPP_URLNotifyProc(Private_URLNotify);
aNPPFuncs->getvalue = NewNPP_GetValueProc(Private_GetValue);
aNPPFuncs->setvalue = NewNPP_SetValueProc(Private_SetValue);
#else
aNPPFuncs->newp = NPP_New;
aNPPFuncs->destroy = NPP_Destroy;
aNPPFuncs->setwindow = NPP_SetWindow;
aNPPFuncs->newstream = NPP_NewStream;
aNPPFuncs->destroystream = NPP_DestroyStream;
aNPPFuncs->asfile = NPP_StreamAsFile;
aNPPFuncs->writeready = NPP_WriteReady;
aNPPFuncs->write = NPP_Write;
aNPPFuncs->print = NPP_Print;
aNPPFuncs->event = NPP_HandleEvent;
aNPPFuncs->urlnotify = NPP_URLNotify;
aNPPFuncs->getvalue = NPP_GetValue;
aNPPFuncs->setvalue = NPP_SetValue;
#endif
#ifdef OJI
aNPPFuncs->javaClass = NULL;
#endif
return NPERR_NO_ERROR;
}
static NPError fillNetscapeFunctionTable(NPNetscapeFuncs* aNPNFuncs)
{
if(aNPNFuncs == NULL)
return NPERR_INVALID_FUNCTABLE_ERROR;
if(HIBYTE(aNPNFuncs->version) > NP_VERSION_MAJOR)
return NPERR_INCOMPATIBLE_VERSION_ERROR;
if(aNPNFuncs->size < sizeof(NPNetscapeFuncs))
return NPERR_INVALID_FUNCTABLE_ERROR;
NPNFuncs.size = aNPNFuncs->size;
NPNFuncs.version = aNPNFuncs->version;
NPNFuncs.geturlnotify = aNPNFuncs->geturlnotify;
NPNFuncs.geturl = aNPNFuncs->geturl;
NPNFuncs.posturlnotify = aNPNFuncs->posturlnotify;
NPNFuncs.posturl = aNPNFuncs->posturl;
NPNFuncs.requestread = aNPNFuncs->requestread;
NPNFuncs.newstream = aNPNFuncs->newstream;
NPNFuncs.write = aNPNFuncs->write;
NPNFuncs.destroystream = aNPNFuncs->destroystream;
NPNFuncs.status = aNPNFuncs->status;
NPNFuncs.uagent = aNPNFuncs->uagent;
NPNFuncs.memalloc = aNPNFuncs->memalloc;
NPNFuncs.memfree = aNPNFuncs->memfree;
NPNFuncs.memflush = aNPNFuncs->memflush;
NPNFuncs.reloadplugins = aNPNFuncs->reloadplugins;
#ifdef OJI
NPNFuncs.getJavaEnv = aNPNFuncs->getJavaEnv;
NPNFuncs.getJavaPeer = aNPNFuncs->getJavaPeer;
#endif
NPNFuncs.getvalue = aNPNFuncs->getvalue;
NPNFuncs.setvalue = aNPNFuncs->setvalue;
NPNFuncs.invalidaterect = aNPNFuncs->invalidaterect;
NPNFuncs.invalidateregion = aNPNFuncs->invalidateregion;
NPNFuncs.forceredraw = aNPNFuncs->forceredraw;
return NPERR_NO_ERROR;
}
//
// Some exports are different on different platforms
//
/**************************************************/
/* */
/* Windows */
/* */
/**************************************************/
#ifdef XP_WIN
NPError OSCALL NP_Initialize(NPNetscapeFuncs* aNPNFuncs)
{
NPError rv = fillNetscapeFunctionTable(aNPNFuncs);
if(rv != NPERR_NO_ERROR)
return rv;
return NS_PluginInitialize();
}
NPError OSCALL NP_GetEntryPoints(NPPluginFuncs* aNPPFuncs)
{
return fillPluginFunctionTable(aNPPFuncs);
}
#endif //XP_WIN
/**************************************************/
/* */
/* Unix */
/* */
/**************************************************/
#ifdef XP_UNIX
NPError NP_Initialize(NPNetscapeFuncs* aNPNFuncs, NPPluginFuncs* aNPPFuncs)
{
NPError rv = fillNetscapeFunctionTable(aNPNFuncs);
if(rv != NPERR_NO_ERROR)
return rv;
rv = fillPluginFunctionTable(aNPPFuncs);
if(rv != NPERR_NO_ERROR)
return rv;
return NS_PluginInitialize();
}
char * NP_GetMIMEDescription(void)
{
return NPP_GetMIMEDescription();
}
NPError NP_GetValue(void *future, NPPVariable aVariable, void *aValue)
{
return NS_PluginGetValue(aVariable, aValue);
}
#endif //XP_UNIX
/**************************************************/
/* */
/* Mac */
/* */
/**************************************************/
#ifdef XP_MAC
#if !TARGET_API_MAC_CARBON
QDGlobals* gQDPtr; // Pointer to Netscape's QuickDraw globals
#endif
short gResFile; // Refnum of the plugin's resource file
NPError Private_Initialize(void)
{
NPError rv = NS_PluginInitialize();
return rv;
}
void Private_Shutdown(void)
{
NS_PluginShutdown();
__destroy_global_chain();
}
void SetUpQD(void);
void SetUpQD(void)
{
ProcessSerialNumber PSN;
FSSpec myFSSpec;
Str63 name;
ProcessInfoRec infoRec;
OSErr result = noErr;
CFragConnectionID connID;
Str255 errName;
// Memorize the plugin<69>s resource file refnum for later use.
gResFile = CurResFile();
#if !TARGET_API_MAC_CARBON
// Ask the system if CFM is available.
long response;
OSErr err = Gestalt(gestaltCFMAttr, &response);
Boolean hasCFM = BitTst(&response, 31-gestaltCFMPresent);
if (hasCFM) {
// GetProcessInformation takes a process serial number and
// will give us back the name and FSSpec of the application.
// See the Process Manager in IM.
infoRec.processInfoLength = sizeof(ProcessInfoRec);
infoRec.processName = name;
infoRec.processAppSpec = &myFSSpec;
PSN.highLongOfPSN = 0;
PSN.lowLongOfPSN = kCurrentProcess;
result = GetProcessInformation(&PSN, &infoRec);
}
else
// If no CFM installed, assume it must be a 68K app.
result = -1;
if (result == noErr) {
// Now that we know the app name and FSSpec, we can call GetDiskFragment
// to get a connID to use in a subsequent call to FindSymbol (it will also
// return the address of <20>main<69> in app, which we ignore). If GetDiskFragment
// returns an error, we assume the app must be 68K.
Ptr mainAddr;
result = GetDiskFragment(infoRec.processAppSpec, 0L, 0L, infoRec.processName,
kReferenceCFrag, &connID, (Ptr*)&mainAddr, errName);
}
if (result == noErr) {
// The app is a PPC code fragment, so call FindSymbol
// to get the exported <20>qd<71> symbol so we can access its
// QuickDraw globals.
CFragSymbolClass symClass;
result = FindSymbol(connID, "\pqd", (Ptr*)&gQDPtr, &symClass);
}
else {
// The app is 68K, so use its A5 to compute the address
// of its QuickDraw globals.
gQDPtr = (QDGlobals*)(*((long*)SetCurrentA5()) - (sizeof(QDGlobals) - sizeof(GrafPtr)));
}
#endif /* !TARGET_API_MAC_CARBON */
}
NPError main(NPNetscapeFuncs* nsTable, NPPluginFuncs* pluginFuncs, NPP_ShutdownUPP* unloadUpp);
#if !TARGET_API_MAC_CARBON
#pragma export on
#if GENERATINGCFM
RoutineDescriptor mainRD = BUILD_ROUTINE_DESCRIPTOR(uppNPP_MainEntryProcInfo, main);
#endif
#pragma export off
#endif /* !TARGET_API_MAC_CARBON */
NPError main(NPNetscapeFuncs* aNPNFuncs, NPPluginFuncs* aNPPFuncs, NPP_ShutdownUPP* aUnloadUpp)
{
NPError rv = NPERR_NO_ERROR;
if (aUnloadUpp == NULL)
rv = NPERR_INVALID_FUNCTABLE_ERROR;
if (rv == NPERR_NO_ERROR)
rv = fillNetscapeFunctionTable(aNPNFuncs);
if (rv == NPERR_NO_ERROR) {
// defer static constructors until the global functions are initialized.
__InitCode__();
rv = fillPluginFunctionTable(aNPPFuncs);
}
*aUnloadUpp = NewNPP_ShutdownProc(Private_Shutdown);
SetUpQD();
rv = Private_Initialize();
return rv;
}
#endif //XP_MAC