mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-09-20 04:00:24 +02:00
559 lines
18 KiB
C++
559 lines
18 KiB
C++
//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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//
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// npmac.cpp
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//
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//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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#include <string.h>
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#include <Carbon/Carbon.h>
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#include "npapi.h"
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#include "npupp.h"
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//
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// Define PLUGIN_TRACE to 1 to have the wrapper functions emit
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// DebugStr messages whenever they are called.
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//
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//#define PLUGIN_TRACE 1
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#if PLUGIN_TRACE
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#define PLUGINDEBUGSTR(msg) ::DebugStr(msg)
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#else
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#define PLUGINDEBUGSTR(msg) ((void) 0)
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#endif
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#ifdef __ppc__
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// glue for mapping outgoing Macho function pointers to TVectors
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struct TFPtoTVGlue{
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void* glue[2];
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};
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struct pluginFuncsGlueTable {
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TFPtoTVGlue newp;
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TFPtoTVGlue destroy;
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TFPtoTVGlue setwindow;
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TFPtoTVGlue newstream;
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TFPtoTVGlue destroystream;
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TFPtoTVGlue asfile;
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TFPtoTVGlue writeready;
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TFPtoTVGlue write;
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TFPtoTVGlue print;
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TFPtoTVGlue event;
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TFPtoTVGlue urlnotify;
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TFPtoTVGlue getvalue;
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TFPtoTVGlue setvalue;
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TFPtoTVGlue shutdown;
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} gPluginFuncsGlueTable;
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static inline void* SetupFPtoTVGlue(TFPtoTVGlue* functionGlue, void* fp)
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{
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functionGlue->glue[0] = fp;
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functionGlue->glue[1] = 0;
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return functionGlue;
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}
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#define PLUGIN_TO_HOST_GLUE(name, fp) (SetupFPtoTVGlue(&gPluginFuncsGlueTable.name, (void*)fp))
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// glue for mapping netscape TVectors to Macho function pointers
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struct TTVtoFPGlue {
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uint32 glue[6];
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};
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struct netscapeFuncsGlueTable {
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TTVtoFPGlue geturl;
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TTVtoFPGlue posturl;
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TTVtoFPGlue requestread;
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TTVtoFPGlue newstream;
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TTVtoFPGlue write;
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TTVtoFPGlue destroystream;
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TTVtoFPGlue status;
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TTVtoFPGlue uagent;
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TTVtoFPGlue memalloc;
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TTVtoFPGlue memfree;
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TTVtoFPGlue memflush;
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TTVtoFPGlue reloadplugins;
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TTVtoFPGlue getJavaEnv;
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TTVtoFPGlue getJavaPeer;
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TTVtoFPGlue geturlnotify;
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TTVtoFPGlue posturlnotify;
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TTVtoFPGlue getvalue;
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TTVtoFPGlue setvalue;
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TTVtoFPGlue invalidaterect;
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TTVtoFPGlue invalidateregion;
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TTVtoFPGlue forceredraw;
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TTVtoFPGlue pushpopupsenabledstate;
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TTVtoFPGlue poppopupsenabledstate;
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} gNetscapeFuncsGlueTable;
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static void* SetupTVtoFPGlue(TTVtoFPGlue* functionGlue, void* tvp)
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{
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static const TTVtoFPGlue glueTemplate = { 0x3D800000, 0x618C0000, 0x800C0000, 0x804C0004, 0x7C0903A6, 0x4E800420 };
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memcpy(functionGlue, &glueTemplate, sizeof(TTVtoFPGlue));
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functionGlue->glue[0] |= ((UInt32)tvp >> 16);
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functionGlue->glue[1] |= ((UInt32)tvp & 0xFFFF);
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::MakeDataExecutable(functionGlue, sizeof(TTVtoFPGlue));
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return functionGlue;
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}
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#define HOST_TO_PLUGIN_GLUE(name, fp) (SetupTVtoFPGlue(&gNetscapeFuncsGlueTable.name, (void*)fp))
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#else
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#define PLUGIN_TO_HOST_GLUE(name, fp) (fp)
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#define HOST_TO_PLUGIN_GLUE(name, fp) (fp)
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#endif /* __ppc__ */
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#pragma mark -
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//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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//
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// Globals
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//
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//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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short gResFile; // Refnum of the plugin<69>s resource file
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NPNetscapeFuncs gNetscapeFuncs; // Function table for procs in Netscape called by plugin
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//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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//
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// Wrapper functions for all calls from the plugin to Netscape.
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// These functions let the plugin developer just call the APIs
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// as documented and defined in npapi.h, without needing to know
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// about the function table and call macros in npupp.h.
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//
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//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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void NPN_Version(int* plugin_major, int* plugin_minor, int* netscape_major, int* netscape_minor)
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{
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*plugin_major = NP_VERSION_MAJOR;
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*plugin_minor = NP_VERSION_MINOR;
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*netscape_major = gNetscapeFuncs.version >> 8; // Major version is in high byte
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*netscape_minor = gNetscapeFuncs.version & 0xFF; // Minor version is in low byte
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}
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NPError NPN_GetURLNotify(NPP instance, const char* url, const char* window, void* notifyData)
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{
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int navMinorVers = gNetscapeFuncs.version & 0xFF;
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NPError err;
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if( navMinorVers >= NPVERS_HAS_NOTIFICATION )
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{
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err = CallNPN_GetURLNotifyProc(gNetscapeFuncs.geturlnotify, instance, url, window, notifyData);
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}
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else
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{
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err = NPERR_INCOMPATIBLE_VERSION_ERROR;
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}
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return err;
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}
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NPError NPN_GetURL(NPP instance, const char* url, const char* window)
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{
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return CallNPN_GetURLProc(gNetscapeFuncs.geturl, instance, url, window);
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}
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NPError NPN_PostURLNotify(NPP instance, const char* url, const char* window, uint32 len, const char* buf, NPBool file, void* notifyData)
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{
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int navMinorVers = gNetscapeFuncs.version & 0xFF;
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NPError err;
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if( navMinorVers >= NPVERS_HAS_NOTIFICATION )
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{
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err = CallNPN_PostURLNotifyProc(gNetscapeFuncs.posturlnotify, instance, url,
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window, len, buf, file, notifyData);
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}
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else
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{
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err = NPERR_INCOMPATIBLE_VERSION_ERROR;
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}
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return err;
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}
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NPError NPN_PostURL(NPP instance, const char* url, const char* window, uint32 len, const char* buf, NPBool file)
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{
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return CallNPN_PostURLProc(gNetscapeFuncs.posturl, instance, url, window, len, buf, file);
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}
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NPError NPN_RequestRead(NPStream* stream, NPByteRange* rangeList)
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{
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return CallNPN_RequestReadProc(gNetscapeFuncs.requestread, stream, rangeList);
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}
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NPError NPN_NewStream(NPP instance, NPMIMEType type, const char* window, NPStream** stream)
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{
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int navMinorVers = gNetscapeFuncs.version & 0xFF;
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NPError err;
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if( navMinorVers >= NPVERS_HAS_STREAMOUTPUT )
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{
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err = CallNPN_NewStreamProc(gNetscapeFuncs.newstream, instance, type, window, stream);
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}
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else
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{
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err = NPERR_INCOMPATIBLE_VERSION_ERROR;
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}
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return err;
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}
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int32 NPN_Write(NPP instance, NPStream* stream, int32 len, void* buffer)
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{
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int navMinorVers = gNetscapeFuncs.version & 0xFF;
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NPError err;
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if( navMinorVers >= NPVERS_HAS_STREAMOUTPUT )
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{
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err = CallNPN_WriteProc(gNetscapeFuncs.write, instance, stream, len, buffer);
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}
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else
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{
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err = NPERR_INCOMPATIBLE_VERSION_ERROR;
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}
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return err;
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}
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NPError NPN_DestroyStream(NPP instance, NPStream* stream, NPError reason)
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{
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int navMinorVers = gNetscapeFuncs.version & 0xFF;
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NPError err;
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if( navMinorVers >= NPVERS_HAS_STREAMOUTPUT )
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{
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err = CallNPN_DestroyStreamProc(gNetscapeFuncs.destroystream, instance, stream, reason);
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}
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else
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{
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err = NPERR_INCOMPATIBLE_VERSION_ERROR;
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}
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return err;
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}
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void NPN_Status(NPP instance, const char* message)
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{
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CallNPN_StatusProc(gNetscapeFuncs.status, instance, message);
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}
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const char* NPN_UserAgent(NPP instance)
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{
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return CallNPN_UserAgentProc(gNetscapeFuncs.uagent, instance);
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}
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void* NPN_MemAlloc(uint32 size)
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{
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return CallNPN_MemAllocProc(gNetscapeFuncs.memalloc, size);
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}
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void NPN_MemFree(void* ptr)
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{
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CallNPN_MemFreeProc(gNetscapeFuncs.memfree, ptr);
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}
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uint32 NPN_MemFlush(uint32 size)
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{
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return CallNPN_MemFlushProc(gNetscapeFuncs.memflush, size);
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}
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void NPN_ReloadPlugins(NPBool reloadPages)
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{
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CallNPN_ReloadPluginsProc(gNetscapeFuncs.reloadplugins, reloadPages);
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}
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#ifdef OJI
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JRIEnv* NPN_GetJavaEnv(void)
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{
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return CallNPN_GetJavaEnvProc( gNetscapeFuncs.getJavaEnv );
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}
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jobject NPN_GetJavaPeer(NPP instance)
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{
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return CallNPN_GetJavaPeerProc( gNetscapeFuncs.getJavaPeer, instance );
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}
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#endif
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NPError NPN_GetValue(NPP instance, NPNVariable variable, void *value)
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{
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return CallNPN_GetValueProc( gNetscapeFuncs.getvalue, instance, variable, value);
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}
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NPError NPN_SetValue(NPP instance, NPPVariable variable, void *value)
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{
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return CallNPN_SetValueProc( gNetscapeFuncs.setvalue, instance, variable, value);
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}
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void NPN_InvalidateRect(NPP instance, NPRect *rect)
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{
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CallNPN_InvalidateRectProc( gNetscapeFuncs.invalidaterect, instance, rect);
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}
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void NPN_InvalidateRegion(NPP instance, NPRegion region)
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{
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CallNPN_InvalidateRegionProc( gNetscapeFuncs.invalidateregion, instance, region);
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}
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void NPN_ForceRedraw(NPP instance)
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{
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CallNPN_ForceRedrawProc( gNetscapeFuncs.forceredraw, instance);
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}
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void NPN_PushPopupsEnabledState(NPP instance, NPBool enabled)
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{
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CallNPN_PushPopupsEnabledStateProc( gNetscapeFuncs.pushpopupsenabledstate, instance, enabled);
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}
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void NPN_PopPopupsEnabledState(NPP instance)
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{
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CallNPN_PopPopupsEnabledStateProc( gNetscapeFuncs.poppopupsenabledstate, instance);
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}
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#pragma mark -
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//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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//
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// Wrapper functions for all calls from Netscape to the plugin.
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// These functions let the plugin developer just create the APIs
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// as documented and defined in npapi.h, without needing to
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// install those functions in the function table or worry about
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// setting up globals for 68K plugins.
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//
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//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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NPError Private_Initialize(void);
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void Private_Shutdown(void);
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NPError Private_New(NPMIMEType pluginType, NPP instance, uint16 mode, int16 argc, char* argn[], char* argv[], NPSavedData* saved);
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NPError Private_Destroy(NPP instance, NPSavedData** save);
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NPError Private_SetWindow(NPP instance, NPWindow* window);
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NPError Private_NewStream(NPP instance, NPMIMEType type, NPStream* stream, NPBool seekable, uint16* stype);
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NPError Private_DestroyStream(NPP instance, NPStream* stream, NPError reason);
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int32 Private_WriteReady(NPP instance, NPStream* stream);
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int32 Private_Write(NPP instance, NPStream* stream, int32 offset, int32 len, void* buffer);
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void Private_StreamAsFile(NPP instance, NPStream* stream, const char* fname);
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void Private_Print(NPP instance, NPPrint* platformPrint);
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int16 Private_HandleEvent(NPP instance, void* event);
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void Private_URLNotify(NPP instance, const char* url, NPReason reason, void* notifyData);
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jobject Private_GetJavaClass(void);
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NPError Private_Initialize(void)
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{
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PLUGINDEBUGSTR("\pInitialize;g;");
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return NPP_Initialize();
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}
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void Private_Shutdown(void)
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{
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PLUGINDEBUGSTR("\pShutdown;g;");
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NPP_Shutdown();
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}
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NPError Private_New(NPMIMEType pluginType, NPP instance, uint16 mode, int16 argc, char* argn[], char* argv[], NPSavedData* saved)
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{
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PLUGINDEBUGSTR("\pNew;g;");
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return NPP_New(pluginType, instance, mode, argc, argn, argv, saved);
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}
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NPError Private_Destroy(NPP instance, NPSavedData** save)
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{
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PLUGINDEBUGSTR("\pDestroy;g;");
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return NPP_Destroy(instance, save);
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}
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NPError Private_SetWindow(NPP instance, NPWindow* window)
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{
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PLUGINDEBUGSTR("\pSetWindow;g;");
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return NPP_SetWindow(instance, window);
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}
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NPError Private_NewStream(NPP instance, NPMIMEType type, NPStream* stream, NPBool seekable, uint16* stype)
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{
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PLUGINDEBUGSTR("\pNewStream;g;");
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return NPP_NewStream(instance, type, stream, seekable, stype);
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}
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int32 Private_WriteReady(NPP instance, NPStream* stream)
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{
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PLUGINDEBUGSTR("\pWriteReady;g;");
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return NPP_WriteReady(instance, stream);
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}
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int32 Private_Write(NPP instance, NPStream* stream, int32 offset, int32 len, void* buffer)
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{
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PLUGINDEBUGSTR("\pWrite;g;");
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return NPP_Write(instance, stream, offset, len, buffer);
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}
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void Private_StreamAsFile(NPP instance, NPStream* stream, const char* fname)
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{
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PLUGINDEBUGSTR("\pStreamAsFile;g;");
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NPP_StreamAsFile(instance, stream, fname);
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}
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NPError Private_DestroyStream(NPP instance, NPStream* stream, NPError reason)
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{
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PLUGINDEBUGSTR("\pDestroyStream;g;");
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return NPP_DestroyStream(instance, stream, reason);
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}
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int16 Private_HandleEvent(NPP instance, void* event)
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{
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PLUGINDEBUGSTR("\pHandleEvent;g;");
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return NPP_HandleEvent(instance, event);
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}
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void Private_Print(NPP instance, NPPrint* platformPrint)
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{
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PLUGINDEBUGSTR("\pPrint;g;");
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NPP_Print(instance, platformPrint);
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}
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void Private_URLNotify(NPP instance, const char* url, NPReason reason, void* notifyData)
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{
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PLUGINDEBUGSTR("\pURLNotify;g;");
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NPP_URLNotify(instance, url, reason, notifyData);
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}
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#ifdef OJI
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jobject Private_GetJavaClass(void)
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{
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PLUGINDEBUGSTR("\pGetJavaClass;g;");
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jobject clazz = NPP_GetJavaClass();
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if (clazz)
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{
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JRIEnv* env = NPN_GetJavaEnv();
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return (jobject)JRI_NewGlobalRef(env, clazz);
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}
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return NULL;
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}
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#endif
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void SetUpQD(void);
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void SetUpQD(void)
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{
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//
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// Memorize the plugin<69>s resource file
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// refnum for later use.
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//
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gResFile = CurResFile();
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}
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int main(NPNetscapeFuncs* nsTable, NPPluginFuncs* pluginFuncs, NPP_ShutdownUPP* unloadUpp);
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DEFINE_API_C(int) main(NPNetscapeFuncs* nsTable, NPPluginFuncs* pluginFuncs, NPP_ShutdownUPP* unloadUpp)
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{
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PLUGINDEBUGSTR("\pmain");
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NPError err = NPERR_NO_ERROR;
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//
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// Ensure that everything Netscape passed us is valid!
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//
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if ((nsTable == NULL) || (pluginFuncs == NULL) || (unloadUpp == NULL))
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err = NPERR_INVALID_FUNCTABLE_ERROR;
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//
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// Check the <20>major<6F> version passed in Netscape<70>s function table.
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// We won<6F>t load if the major version is newer than what we expect.
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// Also check that the function tables passed in are big enough for
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// all the functions we need (they could be bigger, if Netscape added
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// new APIs, but that<61>s OK with us -- we<77>ll just ignore them).
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//
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if (err == NPERR_NO_ERROR)
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{
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if ((nsTable->version >> 8) > NP_VERSION_MAJOR) // Major version is in high byte
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err = NPERR_INCOMPATIBLE_VERSION_ERROR;
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}
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if (err == NPERR_NO_ERROR)
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{
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//
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// Copy all the fields of Netscape<70>s function table into our
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// copy so we can call back into Netscape later. Note that
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// we need to copy the fields one by one, rather than assigning
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// the whole structure, because the Netscape function table
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// could actually be bigger than what we expect.
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//
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int navMinorVers = nsTable->version & 0xFF;
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gNetscapeFuncs.version = nsTable->version;
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gNetscapeFuncs.size = nsTable->size;
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gNetscapeFuncs.posturl = (NPN_PostURLUPP)HOST_TO_PLUGIN_GLUE(posturl, nsTable->posturl);
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gNetscapeFuncs.geturl = (NPN_GetURLUPP)HOST_TO_PLUGIN_GLUE(geturl, nsTable->geturl);
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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);
|
||
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));
|
||
}
|
||
#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();
|
||
}
|
||
|
||
return err;
|
||
}
|