Throttle validateSelections execution.

aioutecism · Jun 6, 2016 · 6058616 · 6058616
1 parent 280b5ce
commit 6058616
Showing 1 changed file with 14 additions and 2 deletions.
diff --git a/src/Dispatcher.ts b/src/Dispatcher.ts
@@ -54,13 +54,13 @@ export class Dispatcher {
                 ActionMode.switchByActiveSelections(this.currentMode.id);
                 ActionMoveCursor.updatePreferedCharacter();
                 // Delay validate execution until other actions complete.
-                setTimeout(() => ActionSelection.validateSelections());
+                this.validateSelections();
             }),
             window.onDidChangeActiveTextEditor(() => {
                 ActionMode.switchByActiveSelections(this.currentMode.id);
                 ActionMoveCursor.updatePreferedCharacter();
                 // Delay validate execution until other actions complete.
-                setTimeout(() => ActionSelection.validateSelections());
+                this.validateSelections();
             })
         );
     }
@@ -94,6 +94,18 @@ export class Dispatcher {
         }
     }
 
+    private validateSelectionsTimer: number;
+    private validateSelections(): void {
+        if (this.validateSelectionsTimer !== undefined) {
+            clearTimeout(this.validateSelectionsTimer);
+        }
+
+        this.validateSelectionsTimer = setTimeout(() => {
+            ActionSelection.validateSelections();
+            this.validateSelectionsTimer = undefined;
+        }, 10);
+    }
+
     dispose(): void {
         Disposable.from(...this.disposables).dispose();