2007-09-29 08:39:35 +00:00
|
|
|
/*
|
|
|
|
* npunix.c
|
|
|
|
*
|
|
|
|
* Netscape Client Plugin API
|
|
|
|
* - Wrapper function to interface with the Netscape Navigator
|
|
|
|
*
|
|
|
|
* dp Suresh <dp@netscape.com>
|
|
|
|
*
|
|
|
|
*----------------------------------------------------------------------
|
|
|
|
* PLUGIN DEVELOPERS:
|
|
|
|
* YOU WILL NOT NEED TO EDIT THIS FILE.
|
|
|
|
*----------------------------------------------------------------------
|
|
|
|
*/
|
|
|
|
|
|
|
|
#define XP_UNIX 1
|
|
|
|
|
|
|
|
#include <stdio.h>
|
|
|
|
#include "npapi.h"
|
|
|
|
#include "npupp.h"
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Define PLUGIN_TRACE to have the wrapper functions print
|
|
|
|
* messages to stderr whenever they are called.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#ifdef PLUGIN_TRACE
|
|
|
|
#include <stdio.h>
|
|
|
|
#define PLUGINDEBUGSTR(msg) fprintf(stderr, "%s\n", msg)
|
|
|
|
#else
|
|
|
|
#define PLUGINDEBUGSTR(msg)
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
*
|
|
|
|
* Globals
|
|
|
|
*
|
|
|
|
***********************************************************************/
|
|
|
|
|
|
|
|
static NPNetscapeFuncs gNetscapeFuncs; /* Netscape Function table */
|
|
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
*
|
|
|
|
* Wrapper functions : plugin calling Netscape Navigator
|
|
|
|
*
|
|
|
|
* 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;
|
|
|
|
|
|
|
|
/* Major version is in high byte */
|
|
|
|
*netscape_major = gNetscapeFuncs.version >> 8;
|
|
|
|
/* Minor version is in low byte */
|
|
|
|
*netscape_minor = gNetscapeFuncs.version & 0xFF;
|
|
|
|
}
|
|
|
|
|
|
|
|
NPError
|
|
|
|
NPN_GetValue(NPP instance, NPNVariable variable, void *r_value)
|
|
|
|
{
|
|
|
|
return CallNPN_GetValueProc(gNetscapeFuncs.getvalue,
|
|
|
|
instance, variable, r_value);
|
|
|
|
}
|
|
|
|
|
|
|
|
NPError
|
|
|
|
NPN_GetURL(NPP instance, const char* url, const char* window)
|
|
|
|
{
|
|
|
|
return CallNPN_GetURLProc(gNetscapeFuncs.geturl, instance, url, window);
|
|
|
|
}
|
|
|
|
|
|
|
|
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_ptr)
|
|
|
|
{
|
|
|
|
return CallNPN_NewStreamProc(gNetscapeFuncs.newstream, instance,
|
|
|
|
type, window, stream_ptr);
|
|
|
|
}
|
|
|
|
|
|
|
|
int32
|
|
|
|
NPN_Write(NPP instance, NPStream* stream, int32 len, void* buffer)
|
|
|
|
{
|
|
|
|
return CallNPN_WriteProc(gNetscapeFuncs.write, instance,
|
|
|
|
stream, len, buffer);
|
|
|
|
}
|
|
|
|
|
|
|
|
NPError
|
|
|
|
NPN_DestroyStream(NPP instance, NPStream* stream, NPError reason)
|
|
|
|
{
|
|
|
|
return CallNPN_DestroyStreamProc(gNetscapeFuncs.destroystream,
|
|
|
|
instance, stream, reason);
|
|
|
|
}
|
|
|
|
|
|
|
|
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()
|
|
|
|
{
|
|
|
|
return CallNPN_GetJavaEnvProc(gNetscapeFuncs.getJavaEnv);
|
|
|
|
}
|
|
|
|
|
|
|
|
jref NPN_GetJavaPeer(NPP instance)
|
|
|
|
{
|
|
|
|
return CallNPN_GetJavaPeerProc(gNetscapeFuncs.getJavaPeer,
|
|
|
|
instance);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
*
|
|
|
|
* Wrapper functions : Netscape Navigator -> plugin
|
|
|
|
*
|
|
|
|
* These functions let the plugin developer just create the APIs
|
2007-10-19 23:05:02 +00:00
|
|
|
* as documented and defined in npapi.h, without needing to
|
2007-09-29 08:39:35 +00:00
|
|
|
* 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);
|
2007-10-19 23:05:02 +00:00
|
|
|
return ret;
|
2007-09-29 08:39:35 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
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_Print(NPP instance, NPPrint* platformPrint)
|
|
|
|
{
|
|
|
|
PLUGINDEBUGSTR("Print");
|
|
|
|
NPP_Print(instance, platformPrint);
|
|
|
|
}
|
|
|
|
|
|
|
|
JRIGlobalRef
|
|
|
|
Private_GetJavaClass(void)
|
|
|
|
{
|
|
|
|
jref clazz = NPP_GetJavaClass();
|
|
|
|
if (clazz) {
|
|
|
|
JRIEnv* env = NPN_GetJavaEnv();
|
|
|
|
return JRI_NewGlobalRef(env, clazz);
|
|
|
|
}
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2007-10-19 23:05:02 +00:00
|
|
|
/***********************************************************************
|
2007-09-29 08:39:35 +00:00
|
|
|
*
|
|
|
|
* 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");
|
2007-10-19 23:05:02 +00:00
|
|
|
|
2007-09-29 08:39:35 +00:00
|
|
|
/* validate input parameters */
|
|
|
|
|
|
|
|
if ((nsTable == NULL) || (pluginFuncs == NULL))
|
|
|
|
err = NPERR_INVALID_FUNCTABLE_ERROR;
|
2007-10-19 23:05:02 +00:00
|
|
|
|
2007-09-29 08:39:35 +00:00
|
|
|
/*
|
|
|
|
* 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;
|
2007-10-19 23:05:02 +00:00
|
|
|
if (pluginFuncs->size < sizeof(NPPluginFuncs))
|
2007-09-29 08:39:35 +00:00
|
|
|
err = NPERR_INVALID_FUNCTABLE_ERROR;
|
|
|
|
}
|
2007-10-19 23:05:02 +00:00
|
|
|
|
|
|
|
|
2007-09-29 08:39:35 +00:00
|
|
|
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.
|
|
|
|
*/
|
|
|
|
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;
|
|
|
|
gNetscapeFuncs.getJavaEnv = nsTable->getJavaEnv;
|
|
|
|
gNetscapeFuncs.getJavaPeer = nsTable->getJavaPeer;
|
|
|
|
gNetscapeFuncs.getvalue = nsTable->getvalue;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 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->javaClass = Private_GetJavaClass();
|
|
|
|
|
|
|
|
err = NPP_Initialize();
|
|
|
|
}
|
2007-10-19 23:05:02 +00:00
|
|
|
|
2007-09-29 08:39:35 +00:00
|
|
|
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;
|
|
|
|
}
|