Add SlashCommands to functionally process /commands.

src/controllers/molecules/MessageComposer.js

@@ -17,6 +17,7 @@ limitations under the License.
 'use strict';
 
 var MatrixClientPeg = require("../../MatrixClientPeg");
+var SlashCommands = require("../../SlashCommands");
 
 var dis = require("../../dispatcher");
 var KeyCode = {
@@ -171,6 +172,25 @@ module.exports = {
 
     onEnter: function(ev) {
         var contentText = this.refs.textarea.getDOMNode().value;
+
+        var cmd = SlashCommands.processInput(this.props.room.roomId, contentText);
+        if (cmd) {
+            ev.preventDefault();
+            if (cmd.promise) {
+                cmd.promise.done(function() {
+                    console.log("Command success.");
+                }, function(err) {
+                    console.error("Command failure: %s", err);
+                });
+                this.refs.textarea.getDOMNode().value = '';
+            }
+            else if (cmd.error) {
+                console.error(cmd.error);
+            }
+
+            return;
+        }
+
         var content = null;
         if (/^\/me /i.test(contentText)) {
             content = {