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- /* -*- Mode: C++; tab-width: 8; 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.
- */
-
- //
- // npmac.cpp
- //
-
- #include <Processes.h>
- #include <Gestalt.h>
- #include <FragLoad.h>
- #include <Timer.h>
- #include <Resources.h>
- #include <ToolUtils.h>
-
- #define XP_MAC 1
-
- //
- // A4Stuff.h contains the definition of EnterCodeResource and
- // EnterCodeResource, used for setting up the code resource╒s
- // globals for 68K (analagous to the function SetCurrentA5
- // defined by the toolbox).
- //
- #include <A4Stuff.h>
-
-
- #include "npapi.h"
-
- //
- // The Mixed Mode procInfos defined in npupp.h assume Think C-
- // style calling conventions. These conventions are used by
- // Metrowerks with the exception of pointer return types, which
- // in Metrowerks 68K are returned in A0, instead of the standard
- // D0. Thus, since NPN_MemAlloc and NPN_UserAgent return pointers,
- // Mixed Mode will return the values to a 68K plugin in D0, but
- // a 68K plugin compiled by Metrowerks will expect the result in
- // A0. The following pragma forces Metrowerks to use D0 instead.
- //
- #ifdef __MWERKS__
- #ifndef powerc
- #pragma pointers_in_D0
- #endif
- #endif
-
- #include "npupp.h"
-
- #ifdef __MWERKS__
- #ifndef powerc
- #pragma pointers_in_A0
- #endif
- #endif
-
-
- //
- // Define PLUGIN_TRACE to 1 to have the wrapper functions emit
- // DebugStr messages whenever they are called.
- //
- #define PLUGIN_TRACE 0
-
- #if PLUGIN_TRACE
- #define PLUGINDEBUGSTR(msg) ::DebugStr(msg)
- #else
- #define PLUGINDEBUGSTR
- #endif
-
-
-
-
-
-
- //::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
- //
- // Globals
- //
- //::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
-
- QDGlobals* gQDPtr; // Pointer to Netscape╒s QuickDraw globals
- short gResFile; // Refnum of the plugin╒s resource file
- NPNetscapeFuncs gNetscapeFuncs; // Function table for procs in Netscape called by plugin
-
-
- //::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
- //
- // Wrapper functions for all calls from the plugin to Netscape.
- // These functions let the plugin developer just call the APIs
- // as documented and defined in npapi.h, without needing to know
- // about the function table and call macros in npupp.h.
- //
- //::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
-
-
- void NPN_Version(int* plugin_major, int* plugin_minor, int* netscape_major, int* netscape_minor)
- {
- *plugin_major = NP_VERSION_MAJOR;
- *plugin_minor = NP_VERSION_MINOR;
- *netscape_major = gNetscapeFuncs.version >> 8; // Major version is in high byte
- *netscape_minor = gNetscapeFuncs.version & 0xFF; // Minor version is in low byte
- }
-
- NPError NPN_GetURLNotify(NPP instance, const char* url, const char* window, void* notifyData)
- {
- int navMinorVers = gNetscapeFuncs.version & 0xFF;
- NPError err;
-
- if( navMinorVers >= NPVERS_HAS_NOTIFICATION )
- {
- err = CallNPN_GetURLNotifyProc(gNetscapeFuncs.geturlnotify, instance, url, window, notifyData);
- }
- else
- {
- err = NPERR_INCOMPATIBLE_VERSION_ERROR;
- }
- return err;
- }
-
- NPError NPN_GetURL(NPP instance, const char* url, const char* window)
- {
- return CallNPN_GetURLProc(gNetscapeFuncs.geturl, instance, url, window);
- }
-
- NPError NPN_PostURLNotify(NPP instance, const char* url, const char* window, uint32 len, const char* buf, NPBool file, void* notifyData)
- {
- int navMinorVers = gNetscapeFuncs.version & 0xFF;
- NPError err;
-
- if( navMinorVers >= NPVERS_HAS_NOTIFICATION )
- {
- err = CallNPN_PostURLNotifyProc(gNetscapeFuncs.posturlnotify, instance, url,
- window, len, buf, file, notifyData);
- }
- else
- {
- err = NPERR_INCOMPATIBLE_VERSION_ERROR;
- }
- return err;
- }
-
- NPError NPN_PostURL(NPP instance, const char* url, const char* window, uint32 len, const char* buf, NPBool file)
- {
- return CallNPN_PostURLProc(gNetscapeFuncs.posturl, instance, url, window, len, buf, file);
- }
-
- NPError NPN_RequestRead(NPStream* stream, NPByteRange* rangeList)
- {
- return CallNPN_RequestReadProc(gNetscapeFuncs.requestread, stream, rangeList);
- }
-
- NPError NPN_NewStream(NPP instance, NPMIMEType type, const char* window, NPStream** stream)
- {
- int navMinorVers = gNetscapeFuncs.version & 0xFF;
- NPError err;
-
- if( navMinorVers >= NPVERS_HAS_STREAMOUTPUT )
- {
- err = CallNPN_NewStreamProc(gNetscapeFuncs.newstream, instance, type, window, stream);
- }
- else
- {
- err = NPERR_INCOMPATIBLE_VERSION_ERROR;
- }
- return err;
- }
-
- int32 NPN_Write(NPP instance, NPStream* stream, int32 len, void* buffer)
- {
- int navMinorVers = gNetscapeFuncs.version & 0xFF;
- NPError err;
-
- if( navMinorVers >= NPVERS_HAS_STREAMOUTPUT )
- {
- err = CallNPN_WriteProc(gNetscapeFuncs.write, instance, stream, len, buffer);
- }
- else
- {
- err = NPERR_INCOMPATIBLE_VERSION_ERROR;
- }
- return err;
- }
-
- NPError NPN_DestroyStream(NPP instance, NPStream* stream, NPError reason)
- {
- int navMinorVers = gNetscapeFuncs.version & 0xFF;
- NPError err;
-
- if( navMinorVers >= NPVERS_HAS_STREAMOUTPUT )
- {
- err = CallNPN_DestroyStreamProc(gNetscapeFuncs.destroystream, instance, stream, reason);
- }
- else
- {
- err = NPERR_INCOMPATIBLE_VERSION_ERROR;
- }
- return err;
- }
-
- void NPN_Status(NPP instance, const char* message)
- {
- CallNPN_StatusProc(gNetscapeFuncs.status, instance, message);
- }
-
- const char* NPN_UserAgent(NPP instance)
- {
- return CallNPN_UserAgentProc(gNetscapeFuncs.uagent, instance);
- }
-
- void* NPN_MemAlloc(uint32 size)
- {
- return CallNPN_MemAllocProc(gNetscapeFuncs.memalloc, size);
- }
-
- void NPN_MemFree(void* ptr)
- {
- CallNPN_MemFreeProc(gNetscapeFuncs.memfree, ptr);
- }
-
- uint32 NPN_MemFlush(uint32 size)
- {
- return CallNPN_MemFlushProc(gNetscapeFuncs.memflush, size);
- }
-
- void NPN_ReloadPlugins(NPBool reloadPages)
- {
- CallNPN_ReloadPluginsProc(gNetscapeFuncs.reloadplugins, reloadPages);
- }
-
-
- JRIEnv* NPN_GetJavaEnv(void)
- {
- return CallNPN_GetJavaEnvProc( gNetscapeFuncs.getJavaEnv );
- }
-
- jref NPN_GetJavaPeer(NPP instance)
- {
- return CallNPN_GetJavaPeerProc( gNetscapeFuncs.getJavaPeer, instance );
- }
-
-
-
- //::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
- //
- // Wrapper functions for all calls from Netscape to the plugin.
- // These functions let the plugin developer just create the APIs
- // as documented and defined in npapi.h, without needing to
- // install those functions in the function table or worry about
- // setting up globals for 68K plugins.
- //
- //::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
-
- NPError Private_Initialize(void);
- void Private_Shutdown(void);
- NPError Private_New(NPMIMEType pluginType, NPP instance, uint16 mode, int16 argc, char* argn[], char* argv[], NPSavedData* saved);
- NPError Private_Destroy(NPP instance, NPSavedData** save);
- NPError Private_SetWindow(NPP instance, NPWindow* window);
- NPError Private_NewStream(NPP instance, NPMIMEType type, NPStream* stream, NPBool seekable, uint16* stype);
- NPError Private_DestroyStream(NPP instance, NPStream* stream, NPError reason);
- int32 Private_WriteReady(NPP instance, NPStream* stream);
- int32 Private_Write(NPP instance, NPStream* stream, int32 offset, int32 len, void* buffer);
- void Private_StreamAsFile(NPP instance, NPStream* stream, const char* fname);
- void Private_Print(NPP instance, NPPrint* platformPrint);
- int16 Private_HandleEvent(NPP instance, void* event);
- void Private_URLNotify(NPP instance, const char* url, NPReason reason, void* notifyData);
- jref Private_GetJavaClass(void);
-
-
- NPError Private_Initialize(void)
- {
- NPError err;
- EnterCodeResource();
- PLUGINDEBUGSTR("\pInitialize;g;");
- err = NPP_Initialize();
- ExitCodeResource();
- return err;
- }
-
- void Private_Shutdown(void)
- {
- EnterCodeResource();
- PLUGINDEBUGSTR("\pShutdown;g;");
- NPP_Shutdown();
- ExitCodeResource();
- }
-
-
- NPError Private_New(NPMIMEType pluginType, NPP instance, uint16 mode, int16 argc, char* argn[], char* argv[], NPSavedData* saved)
- {
- EnterCodeResource();
- NPError ret = NPP_New(pluginType, instance, mode, argc, argn, argv, saved);
- PLUGINDEBUGSTR("\pNew;g;");
- ExitCodeResource();
- return ret;
- }
-
- NPError Private_Destroy(NPP instance, NPSavedData** save)
- {
- NPError err;
- EnterCodeResource();
- PLUGINDEBUGSTR("\pDestroy;g;");
- err = NPP_Destroy(instance, save);
- ExitCodeResource();
- return err;
- }
-
- NPError Private_SetWindow(NPP instance, NPWindow* window)
- {
- NPError err;
- EnterCodeResource();
- PLUGINDEBUGSTR("\pSetWindow;g;");
- err = NPP_SetWindow(instance, window);
- ExitCodeResource();
- return err;
- }
-
- NPError Private_NewStream(NPP instance, NPMIMEType type, NPStream* stream, NPBool seekable, uint16* stype)
- {
- NPError err;
- EnterCodeResource();
- PLUGINDEBUGSTR("\pNewStream;g;");
- err = NPP_NewStream(instance, type, stream, seekable, stype);
- ExitCodeResource();
- return err;
- }
-
- int32 Private_WriteReady(NPP instance, NPStream* stream)
- {
- int32 result;
- EnterCodeResource();
- PLUGINDEBUGSTR("\pWriteReady;g;");
- result = NPP_WriteReady(instance, stream);
- ExitCodeResource();
- return result;
- }
-
- int32 Private_Write(NPP instance, NPStream* stream, int32 offset, int32 len, void* buffer)
- {
- int32 result;
- EnterCodeResource();
- PLUGINDEBUGSTR("\pWrite;g;");
- result = NPP_Write(instance, stream, offset, len, buffer);
- ExitCodeResource();
- return result;
- }
-
- void Private_StreamAsFile(NPP instance, NPStream* stream, const char* fname)
- {
- EnterCodeResource();
- PLUGINDEBUGSTR("\pStreamAsFile;g;");
- NPP_StreamAsFile(instance, stream, fname);
- ExitCodeResource();
- }
-
-
- NPError Private_DestroyStream(NPP instance, NPStream* stream, NPError reason)
- {
- NPError err;
- EnterCodeResource();
- PLUGINDEBUGSTR("\pDestroyStream;g;");
- err = NPP_DestroyStream(instance, stream, reason);
- ExitCodeResource();
- return err;
- }
-
- int16 Private_HandleEvent(NPP instance, void* event)
- {
- int16 result;
- EnterCodeResource();
- PLUGINDEBUGSTR("\pHandleEvent;g;");
- result = NPP_HandleEvent(instance, event);
- ExitCodeResource();
- return result;
- }
-
- void Private_Print(NPP instance, NPPrint* platformPrint)
- {
- EnterCodeResource();
- PLUGINDEBUGSTR("\pPrint;g;");
- NPP_Print(instance, platformPrint);
- ExitCodeResource();
- }
-
- void Private_URLNotify(NPP instance, const char* url, NPReason reason, void* notifyData)
- {
- EnterCodeResource();
- PLUGINDEBUGSTR("\pURLNotify;g;");
- NPP_URLNotify(instance, url, reason, notifyData);
- ExitCodeResource();
- }
-
-
- jref Private_GetJavaClass(void)
- {
- EnterCodeResource();
- PLUGINDEBUGSTR("\pGetJavaClass;g;");
-
- jref clazz = NPP_GetJavaClass();
- ExitCodeResource();
- if (clazz)
- {
- JRIEnv* env = NPN_GetJavaEnv();
- return JRI_NewGlobalRef(env, clazz);
- }
- return NULL;
- }
-
-
- void SetUpQD(void);
- void SetUpQD(void)
- {
- ProcessSerialNumber PSN;
- FSSpec myFSSpec;
- Str63 name;
- ProcessInfoRec infoRec;
- OSErr result = noErr;
- ConnectionID connID;
- Str255 errName;
-
- //
- // Memorize the plugin╒s resource file
- // refnum for later use.
- //
- gResFile = CurResFile();
-
- //
- // 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);
- if (result != noErr)
- PLUGINDEBUGSTR("\pFailed in GetProcessInformation");
- }
- 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 ╥main╙ 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,
- kLoadLib, &connID, (Ptr*)&mainAddr, errName);
- }
-
- if (result == noErr)
- {
- //
- // The app is a PPC code fragment, so call FindSymbol
- // to get the exported ╥qd╙ symbol so we can access its
- // QuickDraw globals.
- //
- SymClass symClass;
- result = FindSymbol(connID, "\pqd", (Ptr*)&gQDPtr, &symClass);
- if (result != noErr)
- PLUGINDEBUGSTR("\pFailed in FindSymbol qd");
- }
- 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)));
- }
-
- }
-
-
-
- NPError main(NPNetscapeFuncs* nsTable, NPPluginFuncs* pluginFuncs, NPP_ShutdownUPP* unloadUpp);
-
- #if GENERATINGCFM
- RoutineDescriptor mainRD = BUILD_ROUTINE_DESCRIPTOR(uppNPP_MainEntryProcInfo, main);
- #endif
-
-
- NPError main(NPNetscapeFuncs* nsTable, NPPluginFuncs* pluginFuncs, NPP_ShutdownUPP* unloadUpp)
- {
- EnterCodeResource();
- PLUGINDEBUGSTR("\pmain");
-
- NPError err = NPERR_NO_ERROR;
-
- //
- // Ensure that everything Netscape passed us is valid!
- //
- if ((nsTable == NULL) || (pluginFuncs == NULL) || (unloadUpp == NULL))
- err = NPERR_INVALID_FUNCTABLE_ERROR;
-
- //
- // Check the ╥major╙ version passed in Netscape╒s function table.
- // We won╒t load if the major version is newer than what we expect.
- // Also check that the function tables passed in are big enough for
- // all the functions we need (they could be bigger, if Netscape added
- // new APIs, but that╒s OK with us -- we╒ll just ignore them).
- //
- if (err == NPERR_NO_ERROR)
- {
- if ((nsTable->version >> 8) > NP_VERSION_MAJOR) // Major version is in high byte
- err = NPERR_INCOMPATIBLE_VERSION_ERROR;
- // if (nsTable->size < sizeof(NPNetscapeFuncs))
- // err = NPERR_INVALID_FUNCTABLE_ERROR;
- // if (pluginFuncs->size < sizeof(NPPluginFuncs))
- // err = NPERR_INVALID_FUNCTABLE_ERROR;
- }
-
-
- if (err == NPERR_NO_ERROR)
- {
- //
- // Copy all the fields of Netscape╒s function table into our
- // copy so we can call back into Netscape later. Note that
- // we need to copy the fields one by one, rather than assigning
- // the whole structure, because the Netscape function table
- // could actually be bigger than what we expect.
- //
-
- int navMinorVers = nsTable->version & 0xFF;
-
- gNetscapeFuncs.version = nsTable->version;
- gNetscapeFuncs.size = nsTable->size;
- gNetscapeFuncs.posturl = nsTable->posturl;
- gNetscapeFuncs.geturl = nsTable->geturl;
- gNetscapeFuncs.requestread = nsTable->requestread;
- gNetscapeFuncs.newstream = nsTable->newstream;
- gNetscapeFuncs.write = nsTable->write;
- gNetscapeFuncs.destroystream = nsTable->destroystream;
- gNetscapeFuncs.status = nsTable->status;
- gNetscapeFuncs.uagent = nsTable->uagent;
- gNetscapeFuncs.memalloc = nsTable->memalloc;
- gNetscapeFuncs.memfree = nsTable->memfree;
- gNetscapeFuncs.memflush = nsTable->memflush;
- gNetscapeFuncs.reloadplugins = nsTable->reloadplugins;
- if( navMinorVers >= NPVERS_HAS_LIVECONNECT )
- {
- gNetscapeFuncs.getJavaEnv = nsTable->getJavaEnv;
- gNetscapeFuncs.getJavaPeer = nsTable->getJavaPeer;
- }
- if( navMinorVers >= NPVERS_HAS_NOTIFICATION )
- {
- gNetscapeFuncs.geturlnotify = nsTable->geturlnotify;
- gNetscapeFuncs.posturlnotify = nsTable->posturlnotify;
- }
-
- //
- // 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.
- //
- pluginFuncs->version = (NP_VERSION_MAJOR << 8) + NP_VERSION_MINOR;
- pluginFuncs->size = sizeof(NPPluginFuncs);
- pluginFuncs->newp = NewNPP_NewProc(Private_New);
- pluginFuncs->destroy = NewNPP_DestroyProc(Private_Destroy);
- pluginFuncs->setwindow = NewNPP_SetWindowProc(Private_SetWindow);
- pluginFuncs->newstream = NewNPP_NewStreamProc(Private_NewStream);
- pluginFuncs->destroystream = NewNPP_DestroyStreamProc(Private_DestroyStream);
- pluginFuncs->asfile = NewNPP_StreamAsFileProc(Private_StreamAsFile);
- pluginFuncs->writeready = NewNPP_WriteReadyProc(Private_WriteReady);
- pluginFuncs->write = NewNPP_WriteProc(Private_Write);
- pluginFuncs->print = NewNPP_PrintProc(Private_Print);
- pluginFuncs->event = NewNPP_HandleEventProc(Private_HandleEvent);
- if( navMinorVers >= NPVERS_HAS_NOTIFICATION )
- {
- pluginFuncs->urlnotify = NewNPP_URLNotifyProc(Private_URLNotify);
- }
- if( navMinorVers >= NPVERS_HAS_LIVECONNECT )
- {
- pluginFuncs->javaClass = (JRIGlobalRef) Private_GetJavaClass();
- }
- *unloadUpp = NewNPP_ShutdownProc(Private_Shutdown);
- SetUpQD();
- err = Private_Initialize();
- }
-
- ExitCodeResource();
- return err;
- }
-