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| 1 | +/* |
| 2 | + * mpris.ts is a part of Moosync. |
| 3 | + * |
| 4 | + * Copyright 2022 by Sahil Gupte <[email protected]>. All rights reserved. |
| 5 | + * Licensed under the GNU General Public License. |
| 6 | + * |
| 7 | + * See LICENSE in the project root for license information. |
| 8 | + */ |
| 9 | + |
| 10 | +import { IpcEvents, RodioEvents } from './constants' |
| 11 | + |
| 12 | +import { RodioBackend } from 'rodio-audio-backend' |
| 13 | +import { WindowHandler } from '../windowManager' |
| 14 | + |
| 15 | +export class RodioChannel implements IpcChannelInterface { |
| 16 | + name = IpcEvents.RODIO |
| 17 | + |
| 18 | + isStarted = false |
| 19 | + private rodioInstance: RodioBackend | undefined |
| 20 | + |
| 21 | + handle(event: Electron.IpcMainEvent, request: IpcRequest): void { |
| 22 | + switch (request.type) { |
| 23 | + case RodioEvents.INITIALIZE: |
| 24 | + this.initialize(event, request) |
| 25 | + break |
| 26 | + case RodioEvents.SET_SRC: |
| 27 | + this.setSrc(event, request as IpcRequest<RodioRequests.SetSrc>) |
| 28 | + break |
| 29 | + case RodioEvents.PLAY: |
| 30 | + this.play(event, request) |
| 31 | + break |
| 32 | + case RodioEvents.PAUSE: |
| 33 | + this.pause(event, request) |
| 34 | + break |
| 35 | + case RodioEvents.STOP: |
| 36 | + this.stop(event, request) |
| 37 | + break |
| 38 | + case RodioEvents.SEEK: |
| 39 | + this.seek(event, request as IpcRequest<RodioRequests.Seek>) |
| 40 | + break |
| 41 | + case RodioEvents.SET_VOLUME: |
| 42 | + this.setVolume(event, request as IpcRequest<RodioRequests.Volume>) |
| 43 | + break |
| 44 | + } |
| 45 | + } |
| 46 | + |
| 47 | + private async initialize(event: Electron.IpcMainEvent, request: IpcRequest) { |
| 48 | + console.debug('Initializing Rodio backend') |
| 49 | + this.rodioInstance = new RodioBackend() |
| 50 | + this.registerListeners() |
| 51 | + |
| 52 | + event.reply(request.responseChannel) |
| 53 | + } |
| 54 | + |
| 55 | + private async setSrc(event: Electron.IpcMainEvent, request: IpcRequest<RodioRequests.SetSrc>) { |
| 56 | + if (request.params.path) { |
| 57 | + try { |
| 58 | + await this.rodioInstance?.setSrc(request.params.path) |
| 59 | + } catch (e) { |
| 60 | + this.emitError(e) |
| 61 | + } |
| 62 | + } |
| 63 | + |
| 64 | + event.reply(request.responseChannel) |
| 65 | + } |
| 66 | + |
| 67 | + private async play(event: Electron.IpcMainEvent, request: IpcRequest) { |
| 68 | + try { |
| 69 | + await this.rodioInstance?.play() |
| 70 | + } catch (e) { |
| 71 | + this.emitError(e) |
| 72 | + } |
| 73 | + event.reply(request.responseChannel) |
| 74 | + } |
| 75 | + |
| 76 | + private async pause(event: Electron.IpcMainEvent, request: IpcRequest) { |
| 77 | + try { |
| 78 | + await this.rodioInstance?.pause() |
| 79 | + } catch (e) { |
| 80 | + this.emitError(e) |
| 81 | + } |
| 82 | + event.reply(request.responseChannel) |
| 83 | + } |
| 84 | + |
| 85 | + public async stop(event?: Electron.IpcMainEvent, request?: IpcRequest) { |
| 86 | + try { |
| 87 | + await this.rodioInstance?.stop() |
| 88 | + } catch (e) { |
| 89 | + this.emitError(e) |
| 90 | + } |
| 91 | + event?.reply(request?.responseChannel ?? '') |
| 92 | + } |
| 93 | + |
| 94 | + private async setVolume(event: Electron.IpcMainEvent, request: IpcRequest<RodioRequests.Volume>) { |
| 95 | + if (request.params.volume) { |
| 96 | + try { |
| 97 | + await this.rodioInstance?.setVolume(request.params.volume) |
| 98 | + } catch (e) { |
| 99 | + this.emitError(e) |
| 100 | + } |
| 101 | + } |
| 102 | + |
| 103 | + event.reply(request.responseChannel) |
| 104 | + } |
| 105 | + |
| 106 | + private async seek(event: Electron.IpcMainEvent, request: IpcRequest<RodioRequests.Seek>) { |
| 107 | + if (request.params.pos) { |
| 108 | + try { |
| 109 | + await this.rodioInstance?.seek(request.params.pos) |
| 110 | + } catch (e) { |
| 111 | + this.emitError(e) |
| 112 | + } |
| 113 | + } |
| 114 | + |
| 115 | + event.reply(request.responseChannel) |
| 116 | + } |
| 117 | + |
| 118 | + private emitError(e: unknown) { |
| 119 | + WindowHandler.getWindow(true)?.webContents.send(IpcEvents.RODIO, RodioEvents.ON_ERROR, e) |
| 120 | + } |
| 121 | + |
| 122 | + private registerListeners() { |
| 123 | + this.rodioInstance?.on('play', () => { |
| 124 | + WindowHandler.getWindow(true)?.webContents.send(IpcEvents.RODIO, RodioEvents.ON_PLAY) |
| 125 | + }) |
| 126 | + |
| 127 | + this.rodioInstance?.on('pause', () => { |
| 128 | + WindowHandler.getWindow(true)?.webContents.send(IpcEvents.RODIO, RodioEvents.ON_PAUSE) |
| 129 | + }) |
| 130 | + |
| 131 | + this.rodioInstance?.on('stop', () => { |
| 132 | + WindowHandler.getWindow(true)?.webContents.send(IpcEvents.RODIO, RodioEvents.ON_STOP) |
| 133 | + }) |
| 134 | + |
| 135 | + this.rodioInstance?.on('loaded', () => { |
| 136 | + WindowHandler.getWindow(true)?.webContents.send(IpcEvents.RODIO, RodioEvents.ON_LOADED) |
| 137 | + }) |
| 138 | + |
| 139 | + this.rodioInstance?.on('ended', () => { |
| 140 | + WindowHandler.getWindow(true)?.webContents.send(IpcEvents.RODIO, RodioEvents.ON_ENDED) |
| 141 | + }) |
| 142 | + |
| 143 | + this.rodioInstance?.on('timeUpdate', (val) => { |
| 144 | + WindowHandler.getWindow(true)?.webContents.send(IpcEvents.RODIO, RodioEvents.ON_TIME_UPDATE, val / 1000) |
| 145 | + }) |
| 146 | + } |
| 147 | +} |
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