diff options
Diffstat (limited to 'tqtinterface/qt4/extensions/nsplugin/src/npunix.c')
| -rw-r--r-- | tqtinterface/qt4/extensions/nsplugin/src/npunix.c | 407 |
1 files changed, 407 insertions, 0 deletions
diff --git a/tqtinterface/qt4/extensions/nsplugin/src/npunix.c b/tqtinterface/qt4/extensions/nsplugin/src/npunix.c new file mode 100644 index 0000000..c7de184 --- /dev/null +++ b/tqtinterface/qt4/extensions/nsplugin/src/npunix.c @@ -0,0 +1,407 @@ +/* + * 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 fd 3 or 4 (cannot use stderr - ns3 grabs that) + * whenever they are called. + */ + +#ifdef PLUGIN_TRACE +#include <stdio.h> +#define PLUGINDEBUGSTR(msg) fprintf(out(), "%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_tqStatus(NPP instance, const char* message) +{ + CallNPN_tqStatusProc(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 + * 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_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; +} + +/*********************************************************************** + * + * 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. + */ + 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(); + } + + 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; +} |