Fix #229: Pause polling when Workflows view is not visible

Author: spboyer

src/store/store.ts

@@ -21,12 +21,18 @@ export class RunStore extends EventEmitter<RunStoreEvent> {
   private runs = new Map<number, WorkflowRun>();
   private updaters = new Map<number, Updater>();
   private _isFocused = true;
+  private _isViewVisible = true;
 
   setFocused(focused: boolean) {
     this._isFocused = focused;
     logDebug(`[Store]: Focus state changed to ${focused}`);
   }
 
+  setViewVisible(visible: boolean) {
+    this._isViewVisible = visible;
+    logDebug(`[Store]: View visibility changed to ${visible}`);
+  }
+
   getRun(runId: number): WorkflowRun | undefined {
     return this.runs.get(runId);
   }
@@ -72,7 +78,7 @@ export class RunStore extends EventEmitter<RunStoreEvent> {
   }
 
   private async fetchRun(updater: Updater) {
-    if (!this._isFocused) {
+    if (!this._isFocused || !this._isViewVisible) {
       return;
     }
 

src/treeViews/treeViews.ts

@@ -11,7 +11,15 @@ import {WorkflowsTreeProvider} from "./workflows";
 
 export async function initTreeViews(context: vscode.ExtensionContext, store: RunStore): Promise<void> {
   const workflowTreeProvider = new WorkflowsTreeProvider(store);
-  context.subscriptions.push(vscode.window.registerTreeDataProvider("github-actions.workflows", workflowTreeProvider));
+  const workflowTreeView = vscode.window.createTreeView("github-actions.workflows", {
+    treeDataProvider: workflowTreeProvider
+  });
+  context.subscriptions.push(workflowTreeView);
+
+  store.setViewVisible(workflowTreeView.visible);
+  workflowTreeView.onDidChangeVisibility(e => {
+    store.setViewVisible(e.visible);
+  });
 
   const settingsTreeProvider = new SettingsTreeProvider();
   context.subscriptions.push(vscode.window.registerTreeDataProvider("github-actions.settings", settingsTreeProvider));