具有脚本化接口的简单NPAPI插件

#include "npfrmwkbase.h" // // npapi plugin functions // NPNetscapeFuncs* nsPluginInstanceBase::NPNFuncs = NULL; #ifdef XP_UNIX NP_EXPORT(char*) NP_GetPluginVersion() { return nsPluginInstanceBase::GetPluginVersion(); } #endif #if defined(XP_UNIX) NP_EXPORT(const char*) NP_GetMIMEDescription() #elif defined(XP_WIN) || defined(XP_OS2) const char* NP_GetMIMEDescription() #endif { return nsPluginInstanceBase::GetMIMEDescription(); } #ifdef XP_UNIX NP_EXPORT(NPError) NP_GetValue(void* future, NPPVariable aVariable, void* aValue) { return nsPluginInstanceBase::GetValue(aVariable,aValue); } #endif static NPError fillPluginFunctionTable(NPPluginFuncs* aNPPFuncs) { if (!aNPPFuncs) return NPERR_INVALID_FUNCTABLE_ERROR; // Set up the plugin function table that Netscape will use to call us. aNPPFuncs->version = (NP_VERSION_MAJOR << 8) | NP_VERSION_MINOR; aNPPFuncs->newp = NPP_New; aNPPFuncs->destroy = NPP_Destroy; aNPPFuncs->setwindow = NPP_SetWindow; aNPPFuncs->newstream = NPP_NewStream; aNPPFuncs->destroystream = NPP_DestroyStream; aNPPFuncs->asfile = NPP_StreamAsFile; aNPPFuncs->writeready = NPP_WriteReady; aNPPFuncs->write = NPP_Write; aNPPFuncs->print = NPP_Print; aNPPFuncs->event = NPP_HandleEvent; aNPPFuncs->urlnotify = NPP_URLNotify; aNPPFuncs->getvalue = NPP_GetValue; aNPPFuncs->setvalue = NPP_SetValue; return NPERR_NO_ERROR; } #if defined(XP_MACOSX) NP_EXPORT(NPError) NP_Initialize(NPNetscapeFuncs* aNPNFuncs) #elif defined(XP_WIN) || defined(XP_OS2) NPError OSCALL NP_Initialize(NPNetscapeFuncs* aNPNFuncs) #elif defined(XP_UNIX) NP_EXPORT(NPError) NP_Initialize(NPNetscapeFuncs* aNPNFuncs, NPPluginFuncs* pFuncs) #endif { nsPluginInstanceBase::NPNFuncs = aNPNFuncs; #if defined(XP_UNIX) && !defined(XP_MACOSX) if (!fillPluginFunctionTable(pFuncs)) { return NPERR_INVALID_FUNCTABLE_ERROR; } #endif return nsPluginInstanceBase::PluginInitialize(); } #if defined(XP_MACOSX) NP_EXPORT(NPError) NP_GetEntryPoints(NPPluginFuncs* pFuncs) #elif defined(XP_WIN) || defined(XP_OS2) NPError OSCALL NP_GetEntryPoints(NPPluginFuncs* pFuncs) #endif #if defined(XP_MACOSX) || defined(XP_WIN) || defined(XP_OS2) { return fillPluginFunctionTable(pFuncs); } #endif #if defined(XP_UNIX) NP_EXPORT(NPError) NP_Shutdown() #elif defined(XP_WIN) || defined(XP_OS2) NPError OSCALL NP_Shutdown() #endif { nsPluginInstanceBase::PluginShutdown(); return NPERR_NO_ERROR; } //npp_functions #ifdef XP_UNIX char* NPP_GetMIMEDescription(void) { return NS_GetMIMEDescription(); } #endif NPError NPP_New(NPMIMEType pluginType, NPP instance, uint16_t mode, int16_t argc, char* argn[], char* argv[], NPSavedData* saved) { if (!instance) return NPERR_INVALID_INSTANCE_ERROR; // create a new plugin instance object // initialization will be done when the associated window is ready nsPluginCreateData ds; ds.instance = instance; ds.type = pluginType; ds.mode = mode; ds.argc = argc; ds.argn = argn; ds.argv = argv; ds.saved = saved; nsPluginInstanceBase * plugin = nsPluginInstanceBase::NewPluginInstance(&ds); if (!plugin) return NPERR_OUT_OF_MEMORY_ERROR; // associate the plugin instance object with NPP instance instance->pdata = (void *)plugin; return NPERR_NO_ERROR; } NPError NPP_Destroy (NPP instance, NPSavedData** save) { if (!instance) return NPERR_INVALID_INSTANCE_ERROR; nsPluginInstanceBase * plugin = (nsPluginInstanceBase *)instance->pdata; if (plugin) { plugin->shut(); nsPluginInstanceBase::DestroyPluginInstance(plugin); } return NPERR_NO_ERROR; } NPError NPP_SetWindow (NPP instance, NPWindow* pNPWindow) { if (!instance) return NPERR_INVALID_INSTANCE_ERROR; if (!pNPWindow) return NPERR_GENERIC_ERROR; nsPluginInstanceBase * plugin = (nsPluginInstanceBase *)instance->pdata; if (!plugin) return NPERR_GENERIC_ERROR; // window just created if (!plugin->isInitialized() && pNPWindow->window) { if (!plugin->init(pNPWindow)) { nsPluginInstanceBase::DestroyPluginInstance(plugin); return NPERR_MODULE_LOAD_FAILED_ERROR; } } // window goes away if (!pNPWindow->window && plugin->isInitialized()) return plugin->SetWindow(pNPWindow); // window resized? if (plugin->isInitialized() && pNPWindow->window) return plugin->SetWindow(pNPWindow); // this should not happen, nothing to do if (!pNPWindow->window && !plugin->isInitialized()) return plugin->SetWindow(pNPWindow); return NPERR_NO_ERROR; } NPError NPP_NewStream(NPP instance, NPMIMEType type, NPStream* stream, NPBool seekable, uint16_t* stype) { if (!instance) return NPERR_INVALID_INSTANCE_ERROR; nsPluginInstanceBase * plugin = (nsPluginInstanceBase *)instance->pdata; if (!plugin) return NPERR_GENERIC_ERROR; return plugin->NewStream(type, stream, seekable, stype); } int32_t NPP_WriteReady (NPP instance, NPStream *stream) { if (!instance) return 0x0fffffff; nsPluginInstanceBase * plugin = (nsPluginInstanceBase *)instance->pdata; if (!plugin) return 0x0fffffff; return plugin->WriteReady(stream); } int32_t NPP_Write (NPP instance, NPStream *stream, int32_t offset, int32_t len, void *buffer) { if (!instance) return len; nsPluginInstanceBase * plugin = (nsPluginInstanceBase *)instance->pdata; if (!plugin) return len; return plugin->Write(stream, offset, len, buffer); } NPError NPP_DestroyStream (NPP instance, NPStream *stream, NPError reason) { if (!instance) return NPERR_INVALID_INSTANCE_ERROR; nsPluginInstanceBase * plugin = (nsPluginInstanceBase *)instance->pdata; if (!plugin) return NPERR_GENERIC_ERROR; return plugin->DestroyStream(stream, reason); } void NPP_StreamAsFile (NPP instance, NPStream* stream, const char* fname) { if (!instance) return; nsPluginInstanceBase * plugin = (nsPluginInstanceBase *)instance->pdata; if (!plugin) return; plugin->StreamAsFile(stream, fname); } void NPP_Print (NPP instance, NPPrint* printInfo) { if (!instance) return; nsPluginInstanceBase * plugin = (nsPluginInstanceBase *)instance->pdata; if (!plugin) return; plugin->Print(printInfo); } void NPP_URLNotify(NPP instance, const char* url, NPReason reason, void* notifyData) { if (!instance) return; nsPluginInstanceBase * plugin = (nsPluginInstanceBase *)instance->pdata; if (!plugin) return; plugin->URLNotify(url, reason, notifyData); } NPError NPP_SetValue(NPP instance, NPNVariable variable, void *value) { if (!instance) return NPERR_INVALID_INSTANCE_ERROR; nsPluginInstanceBase * plugin = (nsPluginInstanceBase *)instance->pdata; if (!plugin) return NPERR_GENERIC_ERROR; return plugin->SetValue(variable, value); } int16_t NPP_HandleEvent(NPP instance, void* event) { if (!instance) return 0; nsPluginInstanceBase * plugin = (nsPluginInstanceBase *)instance->pdata; if (!plugin) return 0; return plugin->HandleEvent(event); } NPError NPP_GetValue(NPP instance, NPPVariable variable, void *value) { if(instance == NULL) return NPERR_INVALID_INSTANCE_ERROR; NPError rv = NPERR_NO_ERROR; nsPluginInstanceBase* plugin = (nsPluginInstanceBase*)instance->pdata; if(plugin == NULL) return NPERR_GENERIC_ERROR; if (variable==NPPVpluginScriptableNPObject) { *(NPObject **)value = plugin->GetScriptableObject(); } else rv=plugin->GetValue(variable,value); return rv; } //npn_functions bool NPN_SetProperty(NPP instance, NPObject* obj, NPIdentifier propertyName, const NPVariant* value) { return nsPluginInstanceBase::NPNFuncs->setproperty(instance, obj, propertyName, value); } NPIdentifier NPN_GetIntIdentifier(int32_t intid) { return nsPluginInstanceBase::NPNFuncs->getintidentifier(intid); } NPIdentifier NPN_GetStringIdentifier(const NPUTF8* name) { return nsPluginInstanceBase::NPNFuncs->getstringidentifier(name); } void NPN_GetStringIdentifiers(const NPUTF8 **names, int32_t nameCount, NPIdentifier *identifiers) { return nsPluginIn