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[VSoRC/.git] / node_modules / xterm / src / browser / services / SoundService.ts

diff --git a/node_modules/xterm/src/browser/services/SoundService.ts b/node_modules/xterm/src/browser/services/SoundService.ts
deleted file mode 100644 (file)
index 1772c75..0000000
--- a/node_modules/xterm/src/browser/services/SoundService.ts
+++ /dev/null
@@ -1,63 +0,0 @@
-/**
- * Copyright (c) 2018 The xterm.js authors. All rights reserved.
- * @license MIT
- */
-
-import { IOptionsService } from 'common/services/Services';
-import { ISoundService } from 'browser/services/Services';
-
-export class SoundService implements ISoundService {
-  serviceBrand: any;
-
-  private static _audioContext: AudioContext;
-
-  static get audioContext(): AudioContext | null {
-    if (!SoundService._audioContext) {
-      const audioContextCtor: typeof AudioContext = (<any>window).AudioContext || (<any>window).webkitAudioContext;
-      if (!audioContextCtor) {
-        console.warn('Web Audio API is not supported by this browser. Consider upgrading to the latest version');
-        return null;
-      }
-      SoundService._audioContext = new audioContextCtor();
-    }
-    return SoundService._audioContext;
-  }
-
-  constructor(
-    @IOptionsService private _optionsService: IOptionsService
-  ) {
-  }
-
-  public playBellSound(): void {
-    const ctx = SoundService.audioContext;
-    if (!ctx) {
-      return;
-    }
-    const bellAudioSource = ctx.createBufferSource();
-    ctx.decodeAudioData(this._base64ToArrayBuffer(this._removeMimeType(this._optionsService.options.bellSound)), (buffer) => {
-      bellAudioSource.buffer = buffer;
-      bellAudioSource.connect(ctx.destination);
-      bellAudioSource.start(0);
-    });
-  }
-
-  private _base64ToArrayBuffer(base64: string): ArrayBuffer {
-    const binaryString = window.atob(base64);
-    const len = binaryString.length;
-    const bytes = new Uint8Array(len);
-
-    for (let i = 0; i < len; i++) {
-      bytes[i] = binaryString.charCodeAt(i);
-    }
-
-    return bytes.buffer;
-  }
-
-  private _removeMimeType(dataURI: string): string {
-    // Split the input to get the mime-type and the data itself
-    const splitUri = dataURI.split(',');
-
-    // Return only the data
-    return splitUri[1];
-  }
-}