diff options
Diffstat (limited to 'extensions/nsplugin/src/npwin.cpp')
| -rw-r--r-- | extensions/nsplugin/src/npwin.cpp | 367 |
1 files changed, 367 insertions, 0 deletions
diff --git a/extensions/nsplugin/src/npwin.cpp b/extensions/nsplugin/src/npwin.cpp new file mode 100644 index 0000000..45a7122 --- /dev/null +++ b/extensions/nsplugin/src/npwin.cpp @@ -0,0 +1,367 @@ +/* npwin.cpp */ + +//\\// INCLUDE +//#include "StdAfx.h" + +// netscape +#ifndef _NPAPI_H_ +#include "npapi.h" +#endif +#ifndef _NPUPP_H_ +#include "npupp.h" +#endif + +//\\// DEFINE +#ifdef WIN32 + #define NP_EXPORT //__declspec( dllexport ) +#else + #define NP_EXPORT _export +#endif + +//\\// GLOBAL DATA +NPNetscapeFuncs* g_pNavigatorFuncs = NULL; + +//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\. +////\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//. +// Private_GetJavaClass (global function) +// +// Given a Java class reference (thru NPP_GetJavaClass) inform JRT +// of this class existence +// +JRIGlobalRef +Private_GetJavaClass(void) +{ + jref clazz = NPP_GetJavaClass(); + if (clazz) { + JRIEnv* env = NPN_GetJavaEnv(); + return JRI_NewGlobalRef(env, clazz); + } + return NULL; +} + +//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\. +////\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//. +// PLUGIN DLL entry points +// +// These are the Windows specific DLL entry points. They must be exoprted +// + +// we need these to be global since we have to fill one of its field +// with a data (class) which requires knowlwdge of the navigator +// jump-table. This jump table is known at Initialize time (NP_Initialize) +// which is called after NP_GetEntryPoint +static NPPluginFuncs* g_pluginFuncs; + +//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\. +////\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//. +// NP_GetEntryPoints +// +// fills in the func table used by Navigator to call entry points in +// plugin DLL. Note that these entry points ensure that DS is loaded +// by using the NP_LOADDS macro, when compiling for Win16 +// +NPError WINAPI NP_EXPORT +NP_GetEntryPoints(NPPluginFuncs* pFuncs) +{ + // trap a NULL ptr + if(pFuncs == NULL) + return NPERR_INVALID_FUNCTABLE_ERROR; + + // if the plugin's function table is smaller than the plugin expects, + // then they are incompatible, and should return an error + + pFuncs->version = (NP_VERSION_MAJOR << 8) | NP_VERSION_MINOR; + pFuncs->newp = NPP_New; + pFuncs->destroy = NPP_Destroy; + pFuncs->setwindow = NPP_SetWindow; + pFuncs->newstream = NPP_NewStream; + pFuncs->destroystream = NPP_DestroyStream; + pFuncs->asfile = NPP_StreamAsFile; + pFuncs->writeready = NPP_WriteReady; + pFuncs->write = NPP_Write; + pFuncs->print = NPP_Print; + pFuncs->event = NULL; /// reserved + + g_pluginFuncs = pFuncs; + + return NPERR_NO_ERROR; +} + +//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\. +////\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//. +// NP_Initialize +// +// called immediately after the plugin DLL is loaded +// +NPError WINAPI NP_EXPORT +NP_Initialize(NPNetscapeFuncs* pFuncs) +{ + // trap a NULL ptr + if(pFuncs == NULL) + return NPERR_INVALID_FUNCTABLE_ERROR; + + g_pNavigatorFuncs = pFuncs; // save it for future reference + + // if the plugin's major ver level is lower than the Navigator's, + // then they are incompatible, and should return an error + if(HIBYTE(pFuncs->version) > NP_VERSION_MAJOR) + return NPERR_INCOMPATIBLE_VERSION_ERROR; + + // We have to defer these assignments until g_pNavigatorFuncs is set + int navMinorVers = g_pNavigatorFuncs->version & 0xFF; + + + if( navMinorVers >= NPVERS_HAS_NOTIFICATION ) { + + g_pluginFuncs->urlnotify = NPP_URLNotify; + + } + + if( navMinorVers >= NPVERS_HAS_LIVECONNECT ) { + + g_pluginFuncs->javaClass = Private_GetJavaClass(); + + } + + + // NPP_Initialize is a standard (cross-platform) initialize function. + return NPP_Initialize(); +} + +//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\. +////\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//. +// NP_Shutdown +// +// called immediately before the plugin DLL is unloaded. +// This functio shuold check for some ref count on the dll to see if it is +// unloadable or it needs to stay in memory. +// +NPError WINAPI NP_EXPORT +NP_Shutdown() +{ + NPP_Shutdown(); + + g_pNavigatorFuncs = NULL; + + return NPERR_NO_ERROR; +} + +// END - PLUGIN DLL entry points +////\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//. +//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\. + +/* NAVIGATOR Entry points */ + +/* These entry points expect to be called from within the plugin. The + noteworthy assumption is that DS has already been set to point to the + plugin's DLL data segment. Don't call these functions from outside + the plugin without ensuring DS is set to the DLLs data segment first, + typically using the NP_LOADDS macro +*/ + +/* returns the major/minor version numbers of the Plugin API for the plugin + and the Navigator +*/ +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 = HIBYTE(g_pNavigatorFuncs->version); + *netscape_minor = LOBYTE(g_pNavigatorFuncs->version); +} + +/* causes the specified URL to be fetched and streamed in +*/ +NPError NPN_GetURLNotify(NPP instance, const char *url, const char *target, void* notifyData) + +{ + + int navMinorVers = g_pNavigatorFuncs->version & 0xFF; + + NPError err; + + if( navMinorVers >= NPVERS_HAS_NOTIFICATION ) { + + err = g_pNavigatorFuncs->geturlnotify(instance, url, target, notifyData); + + } + + else { + + err = NPERR_INCOMPATIBLE_VERSION_ERROR; + + } + + return err; + +} + + +NPError NPN_GetURL(NPP instance, const char *url, const char *target) +{ + return g_pNavigatorFuncs->geturl(instance, url, target); +} + +NPError NPN_PostURLNotify(NPP instance, const char* url, const char* window, uint32 len, const char* buf, NPBool file, void* notifyData) + +{ + + int navMinorVers = g_pNavigatorFuncs->version & 0xFF; + + NPError err; + + if( navMinorVers >= NPVERS_HAS_NOTIFICATION ) { + + err = g_pNavigatorFuncs->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 len, const char* buf, NPBool file) +{ + return g_pNavigatorFuncs->posturl(instance, url, window, len, buf, file); +} + +/* Requests that a number of bytes be provided on a stream. Typically + this would be used if a stream was in "pull" mode. An optional + position can be provided for streams which are seekable. +*/ +NPError NPN_RequestRead(NPStream* stream, NPByteRange* rangeList) +{ + return g_pNavigatorFuncs->requestread(stream, rangeList); +} + +/* Creates a new stream of data from the plug-in to be interpreted + by Netscape in the current window. +*/ +NPError NPN_NewStream(NPP instance, NPMIMEType type, + const char* target, NPStream** stream) +{ + + int navMinorVersion = g_pNavigatorFuncs->version & 0xFF; + + NPError err; + + + if( navMinorVersion >= NPVERS_HAS_STREAMOUTPUT ) { + + err = g_pNavigatorFuncs->newstream(instance, type, target, stream); + + } + + else { + + err = NPERR_INCOMPATIBLE_VERSION_ERROR; + + } + + return err; +} + +/* Provides len bytes of data. +*/ +int32 NPN_Write(NPP instance, NPStream *stream, + int32 len, void *buffer) +{ + int navMinorVersion = g_pNavigatorFuncs->version & 0xFF; + + int32 result; + + + if( navMinorVersion >= NPVERS_HAS_STREAMOUTPUT ) { + + result = g_pNavigatorFuncs->write(instance, stream, len, buffer); + + } + + else { + result = -1; + + } + + return result; + +} + +/* Closes a stream object. +reason indicates why the stream was closed. +*/ +NPError NPN_DestroyStream(NPP instance, NPStream* stream, NPError reason) +{ + int navMinorVersion = g_pNavigatorFuncs->version & 0xFF; + + NPError err; + + + if( navMinorVersion >= NPVERS_HAS_STREAMOUTPUT ) { + + err = g_pNavigatorFuncs->destroystream(instance, stream, reason); + + } + else { + + err = NPERR_INCOMPATIBLE_VERSION_ERROR; + + } + + return err; + +} + +/* Provides a text status message in the Netscape client user interface +*/ +void NPN_Status(NPP instance, const char *message) +{ + g_pNavigatorFuncs->status(instance, message); +} + +/* returns the user agent string of Navigator, which contains version info +*/ +const char* NPN_UserAgent(NPP instance) +{ + return g_pNavigatorFuncs->uagent(instance); +} + +/* allocates memory from the Navigator's memory space. Necessary so that + saved instance data may be freed by Navigator when exiting. +*/ + + +void* NPN_MemAlloc(uint32 size) +{ + return g_pNavigatorFuncs->memalloc(size); +} + +/* reciprocal of MemAlloc() above +*/ +void NPN_MemFree(void* ptr) +{ + g_pNavigatorFuncs->memfree(ptr); +} + +/* private function to Netscape. do not use! +*/ +void NPN_ReloadPlugins(NPBool reloadPages) +{ + g_pNavigatorFuncs->reloadplugins(reloadPages); +} + +JRIEnv* NPN_GetJavaEnv(void) +{ + return g_pNavigatorFuncs->getJavaEnv(); +} + +jref NPN_GetJavaPeer(NPP instance) +{ + return g_pNavigatorFuncs->getJavaPeer(instance); +} |