chore: OliveTin 3k progress

frontend/js/ExecutionFeedbackButton.js

@@ -0,0 +1,29 @@
+export class ExecutionFeedbackButton extends window.HTMLElement {
+  onExecutionFinished (LogEntry) {
+    if (LogEntry.timedOut) {
+      this.renderExecutionResult('action-timeout', 'Timed out')
+    } else if (LogEntry.blocked) {
+      this.renderExecutionResult('action-blocked', 'Blocked!')
+    } else if (LogEntry.exitCode !== 0) {
+      this.renderExecutionResult('action-nonzero-exit', 'Exit code ' + LogEntry.exitCode)
+    } else {
+      this.ellapsed = Math.ceil(new Date(LogEntry.datetimeFinished) - new Date(LogEntry.datetimeStarted)) / 1000
+      this.renderExecutionResult('action-success', 'Success!')
+    }
+  }
+
+  renderExecutionResult (resultCssClass, temporaryStatusMessage) {
+    this.updateDom(resultCssClass, '[' + temporaryStatusMessage + ']')
+    this.onExecStatusChanged()
+  }
+
+  updateDom (resultCssClass, title) {
+    if (resultCssClass == null) {
+      this.btn.className = ''
+    } else {
+      this.btn.classList.add(resultCssClass)
+    }
+
+    this.domTitle.innerText = title
+  }
+}