implement node class

1 files changed, 77 insertions, 0 deletions

diff --git a/lib/sway/node.vala b/lib/sway/node.vala
new file mode 100644
index 0000000..c3777f3
--- /dev/null
+++ b/lib/sway/node.vala
@@ -0,0 +1,77 @@
+namespace AstalSway {
+  public enum NodeType {
+    ROOT,
+    WORKSPACE,
+    CONTAINER,
+    CLIENT,
+    MONITOR
+  }
+
+  public class Node : Object {
+    public int id {get; private set; }
+    public bool focused { get; private set; }
+    public string name;
+    public string layout;
+    public NodeType type;
+    public weak Node parent;
+
+    private HashTable<int, Node> _nodes =
+        new HashTable<int, Node>(i => i, (a,b) => a==b);
+    public List<weak Node> nodes { owned get { return _nodes.get_values(); } }
+    
+    protected Json.Object data;
+
+    public static Node? build(Json.Object obj) {
+      if (obj == null) {
+        return null;
+      }
+      switch (obj.get_string_member("type")) {
+        case "workspace":
+          var ws = new Workspace();
+          ws.sync(obj);
+          return ws as Node;
+
+        default:
+          var node = new Node(); 
+          node.sync(obj);
+          return node;
+          break;
+
+      }
+      return null;
+    }
+    
+    internal virtual void sync(Json.Object obj) {
+      if (obj == null) {
+        return;
+      }
+      data = obj;
+      id = (int)obj.get_int_member("id");
+      name = obj.get_string_member("name");
+      focused = obj.get_boolean_member("focused");
+      layout = obj.get_string_member("layout");
+
+      var arr = obj.get_array_member("nodes");
+      sync_nodes(arr);
+    }
+
+    private void sync_nodes(Json.Array arr) {
+      var new_nodes = new HashTable<int, Node>(i => i, (a,b) => a==b);
+
+      foreach (var item in arr.get_elements()) {
+        var obj = item.get_object();
+        int id = (int)obj.get_int_member("id");
+        var node = _nodes.get(id);
+        
+        if (node == null) {
+          node = Node.build(obj);
+        }
+
+       new_nodes.insert(id, node);     
+       node.sync(obj);
+      }
+      
+      _nodes = new_nodes;
+    }
+  }
+}