npunix.c

uclinux 下的vlc播放器源代码

    int navMinorVers = gNetscapeFuncs.version & 0xFF;
    if( navMinorVers >= 14 )
    {   
	return CallNPN_RemovePropertyProc( gNetscapeFuncs.removeproperty, instance, npobj, propertyName);
    }
    return false;
}

bool NPN_HasProperty(NPP instance, NPObject *npobj, NPIdentifier propertyName)
{
    int navMinorVers = gNetscapeFuncs.version & 0xFF;
    if( navMinorVers >= 14 )
    {   
	return CallNPN_HasPropertyProc( gNetscapeFuncs.hasproperty, instance, npobj, propertyName);
    }
    return false;
}

bool NPN_HasMethod(NPP instance, NPObject *npobj, NPIdentifier methodName)
{
    int navMinorVers = gNetscapeFuncs.version & 0xFF;
    if( navMinorVers >= 14 )
    {   
	return CallNPN_HasMethodProc( gNetscapeFuncs.hasmethod, instance, npobj, methodName);
    }
    return false;
}

void NPN_ReleaseVariantValue(NPVariant *variant)
{
    int navMinorVers = gNetscapeFuncs.version & 0xFF;
    if( navMinorVers >= 14 )
    {   
	CallNPN_ReleaseVariantValueProc( gNetscapeFuncs.releasevariantvalue, variant);
    }
}

void NPN_SetException(NPObject *npobj, const NPUTF8 *message)
{
    int navMinorVers = gNetscapeFuncs.version & 0xFF;
    if( navMinorVers >= 14 )
    {   
	CallNPN_SetExceptionProc( gNetscapeFuncs.setexception, npobj, message);
    }
}


/***********************************************************************
 *
 * Wrapper functions : Netscape Navigator -> 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_New(NPMIMEType pluginType, NPP instance, uint16 mode,
        int16 argc, char* argn[], char* argv[], NPSavedData* saved)
{
    NPError ret;
    PLUGINDEBUGSTR("New");
    ret = NPP_New(pluginType, instance, mode, argc, argn, argv, saved);
    return ret; 
}

NPError
Private_Destroy(NPP instance, NPSavedData** save)
{
    PLUGINDEBUGSTR("Destroy");
    return NPP_Destroy(instance, save);
}

NPError
Private_SetWindow(NPP instance, NPWindow* window)
{
    NPError err;
    PLUGINDEBUGSTR("SetWindow");
    err = NPP_SetWindow(instance, window);
    return err;
}

NPError
Private_NewStream(NPP instance, NPMIMEType type, NPStream* stream,
            NPBool seekable, uint16* stype)
{
    NPError err;
    PLUGINDEBUGSTR("NewStream");
    err = NPP_NewStream(instance, type, stream, seekable, stype);
    return err;
}

int32
Private_WriteReady(NPP instance, NPStream* stream)
{
    unsigned int result;
    PLUGINDEBUGSTR("WriteReady");
    result = NPP_WriteReady(instance, stream);
    return result;
}

int32
Private_Write(NPP instance, NPStream* stream, int32 offset, int32 len,
        void* buffer)
{
    unsigned int result;
    PLUGINDEBUGSTR("Write");
    result = NPP_Write(instance, stream, offset, len, buffer);
    return result;
}

void
Private_StreamAsFile(NPP instance, NPStream* stream, const char* fname)
{
    PLUGINDEBUGSTR("StreamAsFile");
    NPP_StreamAsFile(instance, stream, fname);
}


NPError
Private_DestroyStream(NPP instance, NPStream* stream, NPError reason)
{
    NPError err;
    PLUGINDEBUGSTR("DestroyStream");
    err = NPP_DestroyStream(instance, stream, reason);
    return err;
}

void
Private_URLNotify(NPP instance, const char* url,
                NPReason reason, void* notifyData)
                
{
    PLUGINDEBUGSTR("URLNotify");
    NPP_URLNotify(instance, url, reason, notifyData);
}



void
Private_Print(NPP instance, NPPrint* platformPrint)
{
    PLUGINDEBUGSTR("Print");
    NPP_Print(instance, platformPrint);
}

NPError
Private_GetValue(NPP instance, NPPVariable variable, void *r_value)
{
    PLUGINDEBUGSTR("GetValue");
return NPP_GetValue(instance, variable, r_value);
}

NPError
Private_SetValue(NPP instance, NPPVariable variable, void *r_value)
{
    PLUGINDEBUGSTR("SetValue");
    return NPERR_NO_ERROR; //NPP_SetValue(instance, variable, r_value);
}

JRIGlobalRef
Private_GetJavaClass(void)
{
    jref clazz = NPP_GetJavaClass();
    if (clazz) {
    JRIEnv* env = NPN_GetJavaEnv();
    return JRI_NewGlobalRef(env, clazz);
    }
    return NULL;
}

/*********************************************************************** 
 *
 * These functions are located automagically by netscape.
 *
 ***********************************************************************/

/*
 * NP_GetMIMEDescription
 *  - Netscape needs to know about this symbol
 *  - Netscape uses the return value to identify when an object instance
 *    of this plugin should be created.
 */
char *
NP_GetMIMEDescription(void)
{
    return NPP_GetMIMEDescription();
}

/*
 * NP_GetValue [optional]
 *  - Netscape needs to know about this symbol.
 *  - Interfaces with plugin to get values for predefined variables
 *    that the navigator needs.
 */
NPError
NP_GetValue(void *future, NPPVariable variable, void *value)
{
    return NPP_GetValue(future, variable, value);
}

/*
 * NP_Initialize
 *  - Netscape needs to know about this symbol.
 *  - It calls this function after looking up its symbol before it
 *    is about to create the first ever object of this kind.
 *
 * PARAMETERS
 *    nsTable   - The netscape function table. If developers just use these
 *        wrappers, they dont need to worry about all these function
 *        tables.
 * RETURN
 *    pluginFuncs
 *      - This functions needs to fill the plugin function table
 *        pluginFuncs and return it. Netscape Navigator plugin
 *        library will use this function table to call the plugin.
 *
 */
NPError
NP_Initialize(NPNetscapeFuncs* nsTable, NPPluginFuncs* pluginFuncs)
{
    NPError err = NPERR_NO_ERROR;

    PLUGINDEBUGSTR("NP_Initialize");
    
    /* validate input parameters */

    if ((nsTable == NULL) || (pluginFuncs == 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)
            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 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;
        }
        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;
	}

        /*
         * 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      = NULL;
        pluginFuncs->getvalue   = NewNPP_GetValueProc(Private_GetValue);
        if( navMinorVers >= NPVERS_HAS_NOTIFICATION )
        {   
            pluginFuncs->urlnotify = NewNPP_URLNotifyProc(Private_URLNotify);           
        }
#ifdef OJI
        if( navMinorVers >= NPVERS_HAS_LIVECONNECT )
        {
            pluginFuncs->javaClass  = (JRIGlobalRef) Private_GetJavaClass();
        }
#else
        pluginFuncs->javaClass = NULL;
#endif
        
        err = NPP_Initialize();
    }
    
    return err;
}

/*
 * NP_Shutdown [optional]
 *  - Netscape needs to know about this symbol.
 *  - It calls this function after looking up its symbol after
 *    the last object of this kind has been destroyed.
 *
 */
NPError
NP_Shutdown(void)
{
    PLUGINDEBUGSTR("NP_Shutdown");
    NPP_Shutdown();
    return NPERR_NO_ERROR;
}