return INVOKERESULT_GENERIC_ERROR; \
} } while(false)
+#define ERROR_EVENT_NOT_FOUND "ERROR: One or more events could not be found."
+#define ERROR_API_VERSION "ERROR: NPAPI version not high enough. (Gecko >= 1.9 needed)"
+
+// Make a copy of an NPVariant.
+NPVariant copyNPVariant(const NPVariant& original)
+{
+ NPVariant res;
+
+ if (NPVARIANT_IS_STRING(original))
+ STRINGZ_TO_NPVARIANT(strdup(NPVARIANT_TO_STRING(original).utf8characters), res);
+ else if (NPVARIANT_IS_INT32(original))
+ INT32_TO_NPVARIANT(NPVARIANT_TO_INT32(original), res);
+ else if (NPVARIANT_IS_DOUBLE(original))
+ DOUBLE_TO_NPVARIANT(NPVARIANT_TO_DOUBLE(original), res);
+ else if (NPVARIANT_IS_OBJECT(original))
+ {
+ NPObject *obj = NPVARIANT_TO_OBJECT(original);
+ NPN_RetainObject(obj);
+ OBJECT_TO_NPVARIANT(obj, res);
+ }
+ else if (NPVARIANT_IS_BOOLEAN(original))
+ BOOLEAN_TO_NPVARIANT(NPVARIANT_TO_BOOLEAN(original), res);
+
+ return res;
+}
+
+// Parse an event Array given as a NPObject by JS.
+// This function is similar to LibvlcPlaylistNPObject::parseOptions,
+// but we don't use it because it's not clearly accessible and the FIXME flags
+// implie that it might be modified.
+bool parseEventArray(NPObject *obj, eventtypes_bitmap_t &eventToGet, NPP instance)
+{
+ NPIdentifier propId = NPN_GetStringIdentifier("length");
+ NPVariant value;
+
+ if (!NPN_GetProperty(instance, obj, propId, &value))
+ return false;
+
+ int count = NPVARIANT_TO_INT32(value);
+ NPN_ReleaseVariantValue(&value);
+ if (count == 0)
+ return false;
+
+ int nOptions = 0;
+ while (nOptions < count)
+ {
+ propId = NPN_GetIntIdentifier(nOptions);
+ // if there is no other string in the array.
+ if( ! NPN_GetProperty(instance, obj, propId, &value) )
+ break;
+
+ // if the element is not a string.
+ if( ! NPVARIANT_IS_STRING(value) )
+ {
+ NPN_ReleaseVariantValue(&value);
+ break;
+ }
+
+ if (!eventToGet.add_event(NPVARIANT_TO_STRING(value).utf8characters))
+ return false;
+ nOptions++;
+ }
+ return true;
+}
+
/*
** implementation of libvlc root object
*/
"playlist",
"subtitle",
"video",
+ "events",
"VersionInfo",
};
COUNTNAMES(LibvlcRootNPObject,propertyCount,propertyNames);
ID_root_playlist,
ID_root_subtitle,
ID_root_video,
+ ID_root_events,
ID_root_VersionInfo,
};
InstantObj<LibvlcVideoNPObject>( videoObj );
OBJECT_TO_NPVARIANT(NPN_RetainObject(videoObj), result);
return INVOKERESULT_NO_ERROR;
+ case ID_root_events:
+ // create child object in lazyman fashion to avoid
+ // ownership problem with firefox
+ if( ! eventObj )
+ eventObj = NPN_CreateObject(_instance,
+ RuntimeNPClass<LibvlcEventNPObject>::getClass());
+ OBJECT_TO_NPVARIANT(NPN_RetainObject(eventObj), result);
+ return INVOKERESULT_NO_ERROR;
case ID_root_VersionInfo:
return invokeResultString(libvlc_get_version(),result);
default:
return INVOKERESULT_NO_ERROR;
}
+
+
+/*
+** implementation of libvlc event object
+*/
+
+const NPUTF8 * const LibvlcEventNPObject::propertyNames[] =
+{
+};
+
+enum LibvlcEventNPObjectPropertyIds
+{
+};
+COUNTNAMES(LibvlcEventNPObject,propertyCount,propertyNames);
+
+const NPUTF8 * const LibvlcEventNPObject::methodNames[] =
+{
+ "addListener",
+ "removeListeners",
+};
+COUNTNAMES(LibvlcEventNPObject,methodCount,methodNames);
+
+enum LibvlcEventNPObjectMethodIds
+{
+ ID_event_addListener,
+ ID_event_removeListeners,
+};
+
+bool LibvlcEventNPObject::parseArgs(const NPVariant *args, uint32_t argCount,
+ eventtypes_bitmap_t &eventToGet)
+{
+ if (argCount > 2)
+ eventToGet.clear();
+
+ for (int argIndex = 2; argIndex < argCount; argIndex++)
+ {
+ if (NPVARIANT_IS_STRING(args[argIndex]))
+ {
+ if (!eventToGet.add_event(NPVARIANT_TO_STRING(args[argIndex]).utf8characters))
+ return false;
+ }
+ else if (NPVARIANT_IS_OBJECT(args[argIndex]))
+ {
+ if (!parseEventArray(NPVARIANT_TO_OBJECT(args[argIndex]), eventToGet, _instance))
+ return false;
+ }
+ else
+ return false;
+ }
+ return true;
+}
+
+RuntimeNPObject::InvokeResult
+LibvlcEventNPObject::invoke(int index, const NPVariant *args,
+ uint32_t argCount, NPVariant &result)
+{
+ /* is plugin still running */
+ if( isPluginRunning() )
+ {
+ libvlc_exception_t ex;
+ libvlc_exception_init(&ex);
+
+ switch( index )
+ {
+ case ID_event_addListener:
+ if (argCount >= 2)
+ {
+ // Checks if the first argument is a NPObject
+ if (!NPVARIANT_IS_OBJECT(args[0]))
+ return INVOKERESULT_NO_SUCH_METHOD;
+
+ // Checks if the browser has the NPAPI version 0.19 at least.
+ if (!VlcPlugin::canUseEventListener())
+ {
+ NPN_SetException(this, strdup(ERROR_API_VERSION));
+ return INVOKERESULT_GENERIC_ERROR;
+ }
+
+ VlcPlugin* p_plugin = getPrivate<VlcPlugin>();
+
+ // Gets the binary field corresponding to the events the
+ // listener must listen to if specified.
+ // Else, listen to all events.
+ eventtypes_bitmap_t eventToGet;
+ eventToGet.set_all_events();
+
+ if (!parseArgs(args, argCount, eventToGet))
+ {
+ NPN_SetException(this, strdup(ERROR_EVENT_NOT_FOUND));
+ return INVOKERESULT_GENERIC_ERROR;
+ }
+
+ NPObject *listener = NPVARIANT_TO_OBJECT(args[0]);
+ NPN_RetainObject(listener);
+
+ EventListener *eventListener = new EventListener();
+ eventListener->listener = listener;
+ eventListener->id = copyNPVariant(args[1]);
+ eventListener->eventMap = eventToGet;
+
+ p_plugin->eventToCatch.add_event(eventToGet);
+
+ p_plugin->eventListeners.push_back(eventListener);
+
+ return INVOKERESULT_NO_ERROR;
+ }
+ return INVOKERESULT_NO_SUCH_METHOD;
+ case ID_event_removeListeners:
+ if (argCount == 0)
+ {
+ VlcPlugin* p_plugin = getPrivate<VlcPlugin>();
+ p_plugin->eventListeners.clear();
+ p_plugin->eventToCatch.clear();
+ return INVOKERESULT_NO_ERROR;
+ }
+ return INVOKERESULT_NO_SUCH_METHOD;
+ default:
+ ;
+ }
+ }
+ return INVOKERESULT_GENERIC_ERROR;
+}
projects / vlc / blobdiff