deactivate remixd plugin if canceled or error

src/app/files/remixd-handle.js

 import { ApiFactory } from 'remix-plugin'
+let globalRegistry = require('../../global/registry')
 
 var yo = require('yo-yo')
 var modalDialog = require('../ui/modaldialog')
+var modalDialogCustom = require('../ui/modal-dialog-custom')
+
 
 var csjs = require('csjs-inject')
 
@@ -43,6 +46,11 @@ export class RemixdHandle extends ApiFactory {
     this.connectToLocalhost()
   }
 
+  canceled () {
+    let appManager = globalRegistry.get('appmanager').api
+    appManager.ensureDeactivated('remixd')
+  }
+
   /**
     * connect to localhost if no connection and render the explorer
     * disconnect from localhost if connected and remove the explorer
@@ -55,17 +63,30 @@ export class RemixdHandle extends ApiFactory {
         if (error) console.log(error)
       })
     } else {
-      modalDialog('Connect to localhost', remixdDialog(),
+      modalDialog(
+        'Connect to localhost',
+        remixdDialog(),
         { label: 'Connect',
           fn: () => {
             this.locahostProvider.init((error) => {
               if (error) {
                 console.log(error)
+                modalDialogCustom.alert(
+                  'Cannot connect to the remixd daemon.' +
+                  'Please make sure you have the remixd running in the background.'
+                )
+                this.canceled()
               } else {
                 this.fileSystemExplorer.ensureRoot()
               }
             })
-          }}
+          }
+        },
+        { label: 'Cancel',
+          fn: () => {
+            this.canceled()
+          }
+        }
       )
     }
   }

src/remixAppManager.js

@@ -21,6 +21,11 @@ export class RemixAppManager extends AppManagerApi {
     this.event.emit('ensureActivated', apiName)
   }
 
+  ensureDeactivated (apiName) {
+    if (this.store.isActive(apiName)) this.deactivateOne(apiName)
+    this.event.emit('ensureDeactivated', apiName)
+  }
+
   proxy () {
     // that's temporary. should be removed when we can have proper notification registration
     return this.data.proxy
@@ -82,4 +87,4 @@ export class RemixAppManager extends AppManagerApi {
       new Plugin(vyper)
     ]
   }
-}
+}
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