From f1849cafafe01df5f153aefc02f2eb8d03325148 Mon Sep 17 00:00:00 2001
From: Samuel Sampson <innovatests@gmail.com>
Date: Tue, 17 Aug 2021 20:48:31 +0000
Subject: [PATCH] Introduce IRenderDebouncer interface, unifying
 RenderDebouncer and TimeBasedDebouncer types

---
 src/browser/AccessibilityManager.ts   | 4 ++--
 src/browser/RenderDebouncer.ts        | 4 ++--
 src/browser/TimeBasedDebouncer.ts     | 4 ++--
 src/browser/Types.d.ts                | 4 ++++
 src/browser/services/RenderService.ts | 4 ++--
 5 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/src/browser/AccessibilityManager.ts b/src/browser/AccessibilityManager.ts
index 160aa3fc..1be3342d 100644
--- a/src/browser/AccessibilityManager.ts
+++ b/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;
diff --git a/src/browser/RenderDebouncer.ts b/src/browser/RenderDebouncer.ts
index 2a06fdd6..02521070 100644
--- a/src/browser/RenderDebouncer.ts
+++ b/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;
diff --git a/src/browser/TimeBasedDebouncer.ts b/src/browser/TimeBasedDebouncer.ts
index 843787d5..e4aeb387 100644
--- a/src/browser/TimeBasedDebouncer.ts
+++ b/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;
diff --git a/src/browser/Types.d.ts b/src/browser/Types.d.ts
index c268c7bf..0d74b39f 100644
--- a/src/browser/Types.d.ts
+++ b/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;
+}
diff --git a/src/browser/services/RenderService.ts b/src/browser/services/RenderService.ts
index fc2eb435..332e71da 100644
--- a/src/browser/services/RenderService.ts
+++ b/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;