Adding classes/MIDIState{,Manager}.sc, taking care of early stages of state management.

Making constructors more readable. Adding MIDIStateManager to USBMIDIIsm. Creating/recycling states for new and re-recognized MIDI devices.

1 files changed, 41 insertions, 0 deletions

diff --git a/classes/MIDIStateManager.sc b/classes/MIDIStateManager.sc
new file mode 100644
index 0000000..ec4b53c
--- /dev/null
+++ b/classes/MIDIStateManager.sc
@@ -0,0 +1,41 @@
+MIDIStateManager{
+
+  var <deviceStates;
+
+  *new{
+    ^super.new.initManager();
+  }
+
+  initManager{
+    deviceStates = Array();
+  }
+
+  // request a state
+  // if a stored and unconnected state is available return that, else return a
+  // new MIDIState
+  requestState{
+    arg name, uid, inPortNum, outPortNum;
+    var devicePosition = -1, stateAvailable = false;
+    deviceStates.do({|storedDevice, i|
+      if((name == storedDevice.name) && (storedDevice.connected.not),{
+        stateAvailable = true;
+        devicePosition = i;
+      });
+    });
+    if(stateAvailable && (devicePosition >= 0),{
+      deviceStates[devicePosition].connected=true;
+      ^deviceStates[devicePosition];
+    },{
+      deviceStates = deviceStates.add(
+        MIDIState.new(name, uid, inPortNum, outPortNum)
+      );
+      ^deviceStates[deviceStates.size-1];
+    });
+  }
+
+  listStates{
+    deviceStates.do({|state, i|
+      postln(i.asString++": ["++state.name++", "++state.uid++", "++state.inPortNum++", "++state.outPortNum++", "++state.connected++"]");
+    });
+  }
+}