initial commit

lib/obsws/event.rb

@@ -0,0 +1,92 @@
+require "json"
+
+require_relative "util"
+require_relative "mixin"
+
+module OBSWS
+  module Events
+    module SUBS
+      NONE = 0
+      GENERAL = (1 << 0)
+      CONFIG = (1 << 1)
+      SCENES = (1 << 2)
+      INPUTS = (1 << 3)
+      TRANSITIONS = (1 << 4)
+      FILTERS = (1 << 5)
+      OUTPUTS = (1 << 6)
+      SCENEITEMS = (1 << 7)
+      MEDIAINPUTS = (1 << 8)
+      VENDORS = (1 << 9)
+      UI = (1 << 10)
+
+      def low_volume
+        GENERAL | CONFIG | SCENES | INPUTS | TRANSITIONS | FILTERS | OUTPUTS |
+          SCENEITEMS | MEDIAINPUTS | VENDORS | UI
+      end
+
+      INPUTVOLUMEMETERS = (1 << 16)
+      INPUTACTIVESTATECHANGED = (1 << 17)
+      INPUTSHOWSTATECHANGED = (1 << 18)
+      SCENEITEMTRANSFORMCHANGED = (1 << 19)
+
+      def high_volume
+        INPUTVOLUMEMETERS | INPUTACTIVESTATECHANGED | INPUTSHOWSTATECHANGED |
+          SCENEITEMTRANSFORMCHANGED
+      end
+
+      def all
+        low_volume | high_volume
+      end
+
+      module_function :low_volume, :high_volume, :all
+    end
+
+    module Callbacks
+      include Util
+
+      def add_observer(observer)
+        @observers = [] unless defined?(@observers)
+        observer = [observer] if !observer.respond_to? :each
+        observer.each { |o| @observers.append(o) }
+      end
+
+      def remove_observer(observer)
+        @observers.delete(observer)
+      end
+
+      def notify_observers(event, data)
+        if defined?(@observers)
+          @observers.each do |o|
+            if o.respond_to? "on_#{event.to_snake}"
+              if data.empty?
+                o.send("on_#{event.to_snake}")
+              else
+                o.send("on_#{event.to_snake}", data)
+              end
+            end
+          end
+        end
+      end
+    end
+
+    class Client
+      include Callbacks
+      include Mixin::TearDown
+      include Mixin::OPCodes
+
+      def initialize(**kwargs)
+        kwargs[:subs] = SUBS.low_volume
+        @base_client = Base.new(**kwargs)
+        @base_client.add_observer(self)
+      end
+
+      def update(op_code, data)
+        if op_code == Mixin::OPCodes::EVENT
+          event = data[:eventType]
+          data = data.key?(:eventData) ? data[:eventData] : {}
+          notify_observers(event, Mixin::Data.new(data, data.keys))
+        end
+      end
+    end
+  end
+end