gecko/modules/plugin/default/mac/npmac.cpp

527 lines
17 KiB
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//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
//
// npmac.cpp
//
//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
#include <string.h>
#include <Carbon/Carbon.h>
#include "npapi.h"
#include "npupp.h"
//
// Define PLUGIN_TRACE to 1 to have the wrapper functions emit
// DebugStr messages whenever they are called.
//
//#define PLUGIN_TRACE 1
#if PLUGIN_TRACE
#define PLUGINDEBUGSTR(msg) ::DebugStr(msg)
#else
#define PLUGINDEBUGSTR(msg) ((void) 0)
#endif
#ifdef __ppc__
// glue for mapping outgoing Macho function pointers to TVectors
struct TFPtoTVGlue{
void* glue[2];
};
struct pluginFuncsGlueTable {
TFPtoTVGlue newp;
TFPtoTVGlue destroy;
TFPtoTVGlue setwindow;
TFPtoTVGlue newstream;
TFPtoTVGlue destroystream;
TFPtoTVGlue asfile;
TFPtoTVGlue writeready;
TFPtoTVGlue write;
TFPtoTVGlue print;
TFPtoTVGlue event;
TFPtoTVGlue urlnotify;
TFPtoTVGlue getvalue;
TFPtoTVGlue setvalue;
TFPtoTVGlue shutdown;
} gPluginFuncsGlueTable;
static inline void* SetupFPtoTVGlue(TFPtoTVGlue* functionGlue, void* fp)
{
functionGlue->glue[0] = fp;
functionGlue->glue[1] = 0;
return functionGlue;
}
#define PLUGIN_TO_HOST_GLUE(name, fp) (SetupFPtoTVGlue(&gPluginFuncsGlueTable.name, (void*)fp))
// glue for mapping netscape TVectors to Macho function pointers
struct TTVtoFPGlue {
uint32_t glue[6];
};
struct netscapeFuncsGlueTable {
TTVtoFPGlue geturl;
TTVtoFPGlue posturl;
TTVtoFPGlue requestread;
TTVtoFPGlue newstream;
TTVtoFPGlue write;
TTVtoFPGlue destroystream;
TTVtoFPGlue status;
TTVtoFPGlue uagent;
TTVtoFPGlue memalloc;
TTVtoFPGlue memfree;
TTVtoFPGlue memflush;
TTVtoFPGlue reloadplugins;
TTVtoFPGlue getJavaEnv;
TTVtoFPGlue getJavaPeer;
TTVtoFPGlue geturlnotify;
TTVtoFPGlue posturlnotify;
TTVtoFPGlue getvalue;
TTVtoFPGlue setvalue;
TTVtoFPGlue invalidaterect;
TTVtoFPGlue invalidateregion;
TTVtoFPGlue forceredraw;
TTVtoFPGlue pushpopupsenabledstate;
TTVtoFPGlue poppopupsenabledstate;
} gNetscapeFuncsGlueTable;
static void* SetupTVtoFPGlue(TTVtoFPGlue* functionGlue, void* tvp)
{
static const TTVtoFPGlue glueTemplate = { 0x3D800000, 0x618C0000, 0x800C0000, 0x804C0004, 0x7C0903A6, 0x4E800420 };
memcpy(functionGlue, &glueTemplate, sizeof(TTVtoFPGlue));
functionGlue->glue[0] |= ((UInt32)tvp >> 16);
functionGlue->glue[1] |= ((UInt32)tvp & 0xFFFF);
::MakeDataExecutable(functionGlue, sizeof(TTVtoFPGlue));
return functionGlue;
}
#define HOST_TO_PLUGIN_GLUE(name, fp) (SetupTVtoFPGlue(&gNetscapeFuncsGlueTable.name, (void*)fp))
#else
#define PLUGIN_TO_HOST_GLUE(name, fp) (fp)
#define HOST_TO_PLUGIN_GLUE(name, fp) (fp)
#endif /* __ppc__ */
#pragma mark -
//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
//
// Globals
//
//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
short gResFile; // Refnum of the plugin<69>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_t 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_t 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_t NPN_Write(NPP instance, NPStream* stream, int32_t 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_t size)
{
return CallNPN_MemAllocProc(gNetscapeFuncs.memalloc, size);
}
void NPN_MemFree(void* ptr)
{
CallNPN_MemFreeProc(gNetscapeFuncs.memfree, ptr);
}
uint32_t NPN_MemFlush(uint32_t size)
{
return CallNPN_MemFlushProc(gNetscapeFuncs.memflush, size);
}
void NPN_ReloadPlugins(NPBool reloadPages)
{
CallNPN_ReloadPluginsProc(gNetscapeFuncs.reloadplugins, reloadPages);
}
NPError NPN_GetValue(NPP instance, NPNVariable variable, void *value)
{
return CallNPN_GetValueProc( gNetscapeFuncs.getvalue, instance, variable, value);
}
NPError NPN_SetValue(NPP instance, NPPVariable variable, void *value)
{
return CallNPN_SetValueProc( gNetscapeFuncs.setvalue, instance, variable, value);
}
void NPN_InvalidateRect(NPP instance, NPRect *rect)
{
CallNPN_InvalidateRectProc( gNetscapeFuncs.invalidaterect, instance, rect);
}
void NPN_InvalidateRegion(NPP instance, NPRegion region)
{
CallNPN_InvalidateRegionProc( gNetscapeFuncs.invalidateregion, instance, region);
}
void NPN_ForceRedraw(NPP instance)
{
CallNPN_ForceRedrawProc( gNetscapeFuncs.forceredraw, instance);
}
void NPN_PushPopupsEnabledState(NPP instance, NPBool enabled)
{
CallNPN_PushPopupsEnabledStateProc( gNetscapeFuncs.pushpopupsenabledstate, instance, enabled);
}
void NPN_PopPopupsEnabledState(NPP instance)
{
CallNPN_PopPopupsEnabledStateProc( gNetscapeFuncs.poppopupsenabledstate, instance);
}
#pragma mark -
//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
//
// 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_t mode, int16_t 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_t* stype);
NPError Private_DestroyStream(NPP instance, NPStream* stream, NPError reason);
int32_t Private_WriteReady(NPP instance, NPStream* stream);
int32_t Private_Write(NPP instance, NPStream* stream, int32_t offset, int32_t len, void* buffer);
void Private_StreamAsFile(NPP instance, NPStream* stream, const char* fname);
void Private_Print(NPP instance, NPPrint* platformPrint);
int16_t Private_HandleEvent(NPP instance, void* event);
void Private_URLNotify(NPP instance, const char* url, NPReason reason, void* notifyData);
NPError Private_Initialize(void)
{
PLUGINDEBUGSTR("\pInitialize;g;");
return NPP_Initialize();
}
void Private_Shutdown(void)
{
PLUGINDEBUGSTR("\pShutdown;g;");
NPP_Shutdown();
}
NPError Private_New(NPMIMEType pluginType, NPP instance, uint16_t mode, int16_t argc, char* argn[], char* argv[], NPSavedData* saved)
{
PLUGINDEBUGSTR("\pNew;g;");
return NPP_New(pluginType, instance, mode, argc, argn, argv, saved);
}
NPError Private_Destroy(NPP instance, NPSavedData** save)
{
PLUGINDEBUGSTR("\pDestroy;g;");
return NPP_Destroy(instance, save);
}
NPError Private_SetWindow(NPP instance, NPWindow* window)
{
PLUGINDEBUGSTR("\pSetWindow;g;");
return NPP_SetWindow(instance, window);
}
NPError Private_NewStream(NPP instance, NPMIMEType type, NPStream* stream, NPBool seekable, uint16_t* stype)
{
PLUGINDEBUGSTR("\pNewStream;g;");
return NPP_NewStream(instance, type, stream, seekable, stype);
}
int32_t Private_WriteReady(NPP instance, NPStream* stream)
{
PLUGINDEBUGSTR("\pWriteReady;g;");
return NPP_WriteReady(instance, stream);
}
int32_t Private_Write(NPP instance, NPStream* stream, int32_t offset, int32_t len, void* buffer)
{
PLUGINDEBUGSTR("\pWrite;g;");
return NPP_Write(instance, stream, offset, len, buffer);
}
void Private_StreamAsFile(NPP instance, NPStream* stream, const char* fname)
{
PLUGINDEBUGSTR("\pStreamAsFile;g;");
NPP_StreamAsFile(instance, stream, fname);
}
NPError Private_DestroyStream(NPP instance, NPStream* stream, NPError reason)
{
PLUGINDEBUGSTR("\pDestroyStream;g;");
return NPP_DestroyStream(instance, stream, reason);
}
int16_t Private_HandleEvent(NPP instance, void* event)
{
PLUGINDEBUGSTR("\pHandleEvent;g;");
return NPP_HandleEvent(instance, event);
}
void Private_Print(NPP instance, NPPrint* platformPrint)
{
PLUGINDEBUGSTR("\pPrint;g;");
NPP_Print(instance, platformPrint);
}
void Private_URLNotify(NPP instance, const char* url, NPReason reason, void* notifyData)
{
PLUGINDEBUGSTR("\pURLNotify;g;");
NPP_URLNotify(instance, url, reason, notifyData);
}
void SetUpQD(void);
void SetUpQD(void)
{
//
// Memorize the plugin<69>s resource file
// refnum for later use.
//
gResFile = CurResFile();
}
int main(NPNetscapeFuncs* nsTable, NPPluginFuncs* pluginFuncs, NPP_ShutdownUPP* unloadUpp);
DEFINE_API_C(int) main(NPNetscapeFuncs* nsTable, NPPluginFuncs* pluginFuncs, NPP_ShutdownUPP* unloadUpp)
{
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 <20>major<6F> version passed in Netscape<70>s function table.
// We won<6F>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<61>s OK with us -- we<77>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<70>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 = NULL;
gNetscapeFuncs.getJavaPeer = NULL;
}
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);
gNetscapeFuncs.pushpopupsenabledstate = (NPN_PushPopupsEnabledStateUPP)HOST_TO_PLUGIN_GLUE(pushpopupsenabledstate, nsTable->pushpopupsenabledstate);
gNetscapeFuncs.poppopupsenabledstate = (NPN_PopPopupsEnabledStateUPP)HOST_TO_PLUGIN_GLUE(poppopupsenabledstate, nsTable->poppopupsenabledstate);
//
// 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));
if( navMinorVers >= NPVERS_HAS_NOTIFICATION )
{
pluginFuncs->urlnotify = NewNPP_URLNotifyProc(PLUGIN_TO_HOST_GLUE(urlnotify, Private_URLNotify));
}
if( navMinorVers >= NPVERS_HAS_LIVECONNECT )
{
pluginFuncs->javaClass = NULL;
}
*unloadUpp = NewNPP_ShutdownProc(PLUGIN_TO_HOST_GLUE(shutdown, Private_Shutdown));
SetUpQD();
err = Private_Initialize();
}
return err;
}