npmac.cpp

VLC Player Source Code

#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);

    ProcessInfoRec infoRec;
    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.
        //
        Str63 name;
        FSSpec myFSSpec;
        infoRec.processInfoLength = sizeof(ProcessInfoRec);
        infoRec.processName = name;
        infoRec.processAppSpec = &myFSSpec;

        ProcessSerialNumber PSN;
        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;

    CFragConnectionID connID;
    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;
        Str255 errName;
        result =  GetDiskFragment(infoRec.processAppSpec, 0L, 0L, infoRec.processName,
                                  kLoadCFrag, &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.
        //
        CFragSymbolClass symClass;
        result = FindSymbol(connID, "\pqd", (Ptr*)&gQDPtr, &symClass);
        if (result != noErr) {  // this fails if we are in NS 6
            gQDPtr = &qd;       // so we default to the standard QD globals
        }
    }
    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
}


#ifdef __GNUC__
// gcc requires that main have an 'int' return type
int main(NPNetscapeFuncs* nsTable, NPPluginFuncs* pluginFuncs, NPP_ShutdownUPP* unloadUpp);
#else
NPError main(NPNetscapeFuncs* nsTable, NPPluginFuncs* pluginFuncs, NPP_ShutdownUPP* unloadUpp);
#endif

#if !TARGET_API_MAC_CARBON
#pragma export on

#if TARGET_RT_MAC_CFM

RoutineDescriptor mainRD = BUILD_ROUTINE_DESCRIPTOR(uppNPP_MainEntryProcInfo, main);

#endif

#pragma export off
#endif /* !TARGET_API_MAC_CARBON */

#ifdef __GNUC__
DEFINE_API_C(int) main(NPNetscapeFuncs* nsTable, NPPluginFuncs* pluginFuncs, NPP_ShutdownUPP* unloadUpp)
#else
DEFINE_API_C(NPError) main(NPNetscapeFuncs* nsTable, NPPluginFuncs* pluginFuncs, NPP_ShutdownUPP* unloadUpp)
#endif
{
    EnterCodeResource();
    PLUGINDEBUGSTR("\pmain");

#ifdef __MWERKS__
    __InitCode__();
#endif

    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 (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          = (NPN_PostURLUPP)HOST_TO_PLUGIN_GLUE(posturl, nsTable->posturl);
        gNetscapeFuncs.geturl           = (NPN_GetURLUPP)HOST_TO_PLUGIN_GLUE(geturl, nsTable->geturl);
        gNetscapeFuncs.requestread      = (NPN_RequestReadUPP)HOST_TO_PLUGIN_GLUE(requestread, nsTable->requestread);
        gNetscapeFuncs.newstream        = (NPN_NewStreamUPP)HOST_TO_PLUGIN_GLUE(newstream, nsTable->newstream);
        gNetscapeFuncs.write            = (NPN_WriteUPP)HOST_TO_PLUGIN_GLUE(write, nsTable->write);
        gNetscapeFuncs.destroystream    = (NPN_DestroyStreamUPP)HOST_TO_PLUGIN_GLUE(destroystream, nsTable->destroystream);
        gNetscapeFuncs.status           = (NPN_StatusUPP)HOST_TO_PLUGIN_GLUE(status, nsTable->status);
        gNetscapeFuncs.uagent           = (NPN_UserAgentUPP)HOST_TO_PLUGIN_GLUE(uagent, nsTable->uagent);
        gNetscapeFuncs.memalloc         = (NPN_MemAllocUPP)HOST_TO_PLUGIN_GLUE(memalloc, nsTable->memalloc);
        gNetscapeFuncs.memfree          = (NPN_MemFreeUPP)HOST_TO_PLUGIN_GLUE(memfree, nsTable->memfree);
        gNetscapeFuncs.memflush         = (NPN_MemFlushUPP)HOST_TO_PLUGIN_GLUE(memflush, nsTable->memflush);
        gNetscapeFuncs.reloadplugins    = (NPN_ReloadPluginsUPP)HOST_TO_PLUGIN_GLUE(reloadplugins, nsTable->reloadplugins);
        if( navMinorVers >= NPVERS_HAS_LIVECONNECT )
        {
            gNetscapeFuncs.getJavaEnv   = (NPN_GetJavaEnvUPP)HOST_TO_PLUGIN_GLUE(getJavaEnv, nsTable->getJavaEnv);
            gNetscapeFuncs.getJavaPeer  = (NPN_GetJavaPeerUPP)HOST_TO_PLUGIN_GLUE(getJavaPeer, nsTable->getJavaPeer);
        }
        if( navMinorVers >= NPVERS_HAS_NOTIFICATION )
        {
            gNetscapeFuncs.geturlnotify = (NPN_GetURLNotifyUPP)HOST_TO_PLUGIN_GLUE(geturlnotify, nsTable->geturlnotify);
            gNetscapeFuncs.posturlnotify    = (NPN_PostURLNotifyUPP)HOST_TO_PLUGIN_GLUE(posturlnotify, nsTable->posturlnotify);
        }
        gNetscapeFuncs.getvalue         = (NPN_GetValueUPP)HOST_TO_PLUGIN_GLUE(getvalue, nsTable->getvalue);
        gNetscapeFuncs.setvalue         = (NPN_SetValueUPP)HOST_TO_PLUGIN_GLUE(setvalue, nsTable->setvalue);
        gNetscapeFuncs.invalidaterect   = (NPN_InvalidateRectUPP)HOST_TO_PLUGIN_GLUE(invalidaterect, nsTable->invalidaterect);
        gNetscapeFuncs.invalidateregion = (NPN_InvalidateRegionUPP)HOST_TO_PLUGIN_GLUE(invalidateregion, nsTable->invalidateregion);
        gNetscapeFuncs.forceredraw      = (NPN_ForceRedrawUPP)HOST_TO_PLUGIN_GLUE(forceredraw, nsTable->forceredraw);
        if( navMinorVers >= 14 )
        {
            // NPRuntime support
            gNetscapeFuncs.getstringidentifier  = (NPN_GetStringIdentifierUPP)HOST_TO_PLUGIN_GLUE(getstringidentifier, nsTable->getstringidentifier);
            gNetscapeFuncs.getstringidentifiers = (NPN_GetStringIdentifiersUPP)HOST_TO_PLUGIN_GLUE(getstringidentifiers, nsTable->getstringidentifiers);
            gNetscapeFuncs.getintidentifier     = (NPN_GetIntIdentifierUPP)HOST_TO_PLUGIN_GLUE(getintidentifier, nsTable->getintidentifier);
            gNetscapeFuncs.identifierisstring   = (NPN_IdentifierIsStringUPP)HOST_TO_PLUGIN_GLUE(identifierisstring, nsTable->identifierisstring);
            gNetscapeFuncs.utf8fromidentifier   = (NPN_UTF8FromIdentifierUPP)HOST_TO_PLUGIN_GLUE(utf8fromidentifier, nsTable->utf8fromidentifier);
            gNetscapeFuncs.intfromidentifier    = (NPN_IntFromIdentifierUPP)HOST_TO_PLUGIN_GLUE(intfromidentifier, nsTable->intfromidentifier);
            gNetscapeFuncs.createobject         = (NPN_CreateObjectUPP)HOST_TO_PLUGIN_GLUE(createobject, nsTable->createobject);
            gNetscapeFuncs.retainobject         = (NPN_RetainObjectUPP)HOST_TO_PLUGIN_GLUE(retainobject, nsTable->retainobject);
            gNetscapeFuncs.releaseobject        = (NPN_ReleaseObjectUPP)HOST_TO_PLUGIN_GLUE(releaseobject, nsTable->releaseobject);
            gNetscapeFuncs.invoke               = (NPN_InvokeUPP)HOST_TO_PLUGIN_GLUE(invoke, nsTable->invoke);
            gNetscapeFuncs.invokeDefault        = (NPN_InvokeDefaultUPP)HOST_TO_PLUGIN_GLUE(invokeDefault, nsTable->invokeDefault);
            gNetscapeFuncs.evaluate             = (NPN_EvaluateUPP)HOST_TO_PLUGIN_GLUE(evaluate, nsTable->evaluate);
            gNetscapeFuncs.getproperty          = (NPN_GetPropertyUPP)HOST_TO_PLUGIN_GLUE(getproperty, nsTable->getproperty);
            gNetscapeFuncs.setproperty          = (NPN_SetPropertyUPP)HOST_TO_PLUGIN_GLUE(setproperty, nsTable->setproperty);
            gNetscapeFuncs.removeproperty       = (NPN_RemovePropertyUPP)HOST_TO_PLUGIN_GLUE(removeproperty, nsTable->removeproperty);
            gNetscapeFuncs.hasproperty          = (NPN_HasPropertyUPP)HOST_TO_PLUGIN_GLUE(hasproperty, nsTable->hasproperty);
            gNetscapeFuncs.hasmethod            = (NPN_HasMethodUPP)HOST_TO_PLUGIN_GLUE(hasmethod, nsTable->hasmethod);
            gNetscapeFuncs.releasevariantvalue  = (NPN_ReleaseVariantValueUPP)HOST_TO_PLUGIN_GLUE(releasevariantvalue, nsTable->releasevariantvalue);
            gNetscapeFuncs.setexception         = (NPN_SetExceptionUPP)HOST_TO_PLUGIN_GLUE(setexception, nsTable->setexception);
        }

        //
        // 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(PLUGIN_TO_HOST_GLUE(newp, Private_New));
        pluginFuncs->destroy        = NewNPP_DestroyProc(PLUGIN_TO_HOST_GLUE(destroy, Private_Destroy));
        pluginFuncs->setwindow      = NewNPP_SetWindowProc(PLUGIN_TO_HOST_GLUE(setwindow, Private_SetWindow));
        pluginFuncs->newstream      = NewNPP_NewStreamProc(PLUGIN_TO_HOST_GLUE(newstream, Private_NewStream));
        pluginFuncs->destroystream  = NewNPP_DestroyStreamProc(PLUGIN_TO_HOST_GLUE(destroystream, Private_DestroyStream));
        pluginFuncs->asfile         = NewNPP_StreamAsFileProc(PLUGIN_TO_HOST_GLUE(asfile, Private_StreamAsFile));
        pluginFuncs->writeready     = NewNPP_WriteReadyProc(PLUGIN_TO_HOST_GLUE(writeready, Private_WriteReady));
        pluginFuncs->write          = NewNPP_WriteProc(PLUGIN_TO_HOST_GLUE(write, Private_Write));
        pluginFuncs->print          = NewNPP_PrintProc(PLUGIN_TO_HOST_GLUE(print, Private_Print));
        pluginFuncs->event          = NewNPP_HandleEventProc(PLUGIN_TO_HOST_GLUE(event, Private_HandleEvent));
        pluginFuncs->getvalue       = NewNPP_GetValueProc(PLUGIN_TO_HOST_GLUE(getvalue, Private_GetValue));
        if( navMinorVers >= NPVERS_HAS_NOTIFICATION )
        {
            pluginFuncs->urlnotify = NewNPP_URLNotifyProc(PLUGIN_TO_HOST_GLUE(urlnotify, Private_URLNotify));
        }
#ifdef OJI
        if( navMinorVers >= NPVERS_HAS_LIVECONNECT )
        {
            pluginFuncs->javaClass  = (JRIGlobalRef) Private_GetJavaClass();
        }
#else
        pluginFuncs->javaClass = NULL;
#endif
        *unloadUpp = NewNPP_ShutdownProc(PLUGIN_TO_HOST_GLUE(shutdown, Private_Shutdown));

        SetUpQD();
        err = Private_Initialize();
    }

    ExitCodeResource();
    return err;
}

#ifdef __MACH__

/*
** netscape plugins functions when building Mach-O binary
*/

extern "C" {
    NPError NP_Initialize(NPNetscapeFuncs* nsTable);
    NPError NP_GetEntryPoints(NPPluginFuncs* pluginFuncs);
    NPError NP_Shutdown(void);
}

/*
** netscape plugins functions when using Mach-O binary
*/

NPError NP_Initialize(NPNetscapeFuncs* nsTable)
{
    PLUGINDEBUGSTR("\pNP_Initialize");

    /* validate input parameters */

    if( NULL == nsTable  )
        return 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 ((nsTable->version >> 8) > NP_VERSION_MAJOR)
        return NPERR_INCOMPATIBLE_VERSION_ERROR;

    if (nsTable->size < sizeof(NPNetscapeFuncs))
        return NPERR_INVALID_FUNCTABLE_ERROR;

    int navMinorVers = nsTable->version & 0xFF;

    /*
     * Copy all the fields of Netscape 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.
     */
    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;
    }

    gNetscapeFuncs.getvalue         = nsTable->getvalue;
    gNetscapeFuncs.setvalue         = nsTable->setvalue;
    gNetscapeFuncs.invalidaterect   = nsTable->invalidaterect;
    gNetscapeFuncs.invalidateregion = nsTable->invalidateregion;
    gNetscapeFuncs.forceredraw      = nsTable->forceredraw;
    if( navMinorVers >= 14 )
    {
        // NPRuntime support
        gNetscapeFuncs.getstringidentifier  = nsTable->getstringidentifier;
        gNetscapeFuncs.getstringidentifiers = nsTable->getstringidentifiers;
        gNetscapeFuncs.getintidentifier     = nsTable->getintidentifier;
        gNetscapeFuncs.identifierisstring   = nsTable->identifierisstring;
        gNetscapeFuncs.utf8fromidentifier   = nsTable->utf8fromidentifier;
        gNetscapeFuncs.intfromidentifier    = nsTable->intfromidentifier;
        gNetscapeFuncs.createobject         = nsTable->createobject;
        gNetscapeFuncs.retainobject         = nsTable->retainobject;
        gNetscapeFuncs.releaseobject        = nsTable->releaseobject;
        gNetscapeFuncs.invoke               = nsTable->invoke;
        gNetscapeFuncs.invokeDefault        = nsTable->invokeDefault;
        gNetscapeFuncs.evaluate             = nsTable->evaluate;
        gNetscapeFuncs.getproperty          = nsTable->getproperty;
        gNetscapeFuncs.setproperty          = nsTable->setproperty;
        gNetscapeFuncs.removeproperty       = nsTable->removeproperty;
        gNetscapeFuncs.hasproperty          = nsTable->hasproperty;
        gNetscapeFuncs.hasmethod            = nsTable->hasmethod;
        gNetscapeFuncs.releasevariantvalue  = nsTable->releasevariantvalue;
        gNetscapeFuncs.setexception         = nsTable->setexception;
    }
    return NPP_Initialize();
}

NPError NP_GetEntryPoints(NPPluginFuncs* pluginFuncs)
{
    int navMinorVers = gNetscapeFuncs.version & 0xFF;

    PLUGINDEBUGSTR("\pNP_GetEntryPoints");

    if( pluginFuncs == NULL )
        return NPERR_INVALID_FUNCTABLE_ERROR;

    /*if (pluginFuncs->size < sizeof(NPPluginFuncs))
    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.
     */

    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);
    pluginFuncs->getvalue   = NewNPP_GetValueProc(Private_GetValue);
    pluginFuncs->setvalue   = NewNPP_SetValueProc(Private_SetValue);
    if( navMinorVers >= NPVERS_HAS_NOTIFICATION )
    {
        pluginFuncs->urlnotify = Private_URLNotify;
    }
#ifdef OJI
    if( navMinorVers >= NPVERS_HAS_LIVECONNECT )
    {
        pluginFuncs->javaClass  = (JRIGlobalRef) Private_GetJavaClass();
    }
#else
    pluginFuncs->javaClass = NULL;
#endif

    return NPERR_NO_ERROR;
}

NPError NP_Shutdown(void)
{
    PLUGINDEBUGSTR("\pNP_Shutdown");
    NPP_Shutdown();
    return NPERR_NO_ERROR;
}

#endif