Introduce IRenderDebouncer interface, unifying RenderDebouncer and TimeBasedDebouncer types

src/browser/AccessibilityManager.ts

@@ -4,7 +4,7 @@
  */
 
 import * as Strings from 'browser/LocalizableStrings';
-import { ITerminal } from 'browser/Types';
+import { ITerminal, IRenderDebouncer } from 'browser/Types';
 import { IBuffer } from 'common/buffer/Types';
 import { isMac } from 'common/Platform';
 import { TimeBasedDebouncer } from 'browser/TimeBasedDebouncer';
@@ -28,7 +28,7 @@ export class AccessibilityManager extends Disposable {
   private _liveRegion: HTMLElement;
   private _liveRegionLineCount: number = 0;
 
-  private _renderRowsDebouncer: TimeBasedDebouncer;
+  private _renderRowsDebouncer: IRenderDebouncer;
   private _screenDprMonitor: ScreenDprMonitor;
 
   private _topBoundaryFocusListener: (e: FocusEvent) => void;

src/browser/RenderDebouncer.ts

@@ -3,12 +3,12 @@
  * @license MIT
  */
 
-import { IDisposable } from 'common/Types';
+import { IRenderDebouncer } from 'browser/Types';
 
 /**
  * Debounces calls to render terminal rows using animation frames.
  */
-export class RenderDebouncer implements IDisposable {
+export class RenderDebouncer implements IRenderDebouncer {
   private _rowStart: number | undefined;
   private _rowEnd: number | undefined;
   private _rowCount: number | undefined;

src/browser/TimeBasedDebouncer.ts

@@ -5,12 +5,12 @@
 
 const RENDER_DEBOUNCE_THRESHOLD_MS = 1000; // 1 Second
 
-import { IDisposable } from 'common/Types';
+import { IRenderDebouncer } from 'browser/Types';
 
 /**
  * Debounces calls to update screen readers to update at most once per second.
  */
-export class TimeBasedDebouncer implements IDisposable {
+export class TimeBasedDebouncer implements IRenderDebouncer {
   private _rowStart: number | undefined;
   private _rowEnd: number | undefined;
   private _rowCount: number | undefined;

src/browser/Types.d.ts

@@ -309,3 +309,7 @@ export interface ICharacterJoiner {
   id: number;
   handler: CharacterJoinerHandler;
 }
+
+export interface IRenderDebouncer extends IDisposable {
+  refresh(rowStart: number | undefined, rowEnd: number | undefined, rowCount: number): void;
+}

src/browser/services/RenderService.ts

@@ -9,7 +9,7 @@ import { EventEmitter, IEvent } from 'common/EventEmitter';
 import { Disposable } from 'common/Lifecycle';
 import { ScreenDprMonitor } from 'browser/ScreenDprMonitor';
 import { addDisposableDomListener } from 'browser/Lifecycle';
-import { IColorSet } from 'browser/Types';
+import { IColorSet, IRenderDebouncer } from 'browser/Types';
 import { IOptionsService, IBufferService } from 'common/services/Services';
 import { ICharSizeService, IRenderService } from 'browser/services/Services';
 
@@ -22,7 +22,7 @@ interface ISelectionState {
 export class RenderService extends Disposable implements IRenderService {
   public serviceBrand: undefined;
 
-  private _renderDebouncer: RenderDebouncer;
+  private _renderDebouncer: IRenderDebouncer;
   private _screenDprMonitor: ScreenDprMonitor;
 
   private _isPaused: boolean = false;