70 lines
2.4 KiB
TypeScript
70 lines
2.4 KiB
TypeScript
'use strict'
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import { Neovim } from '@chemzqm/neovim'
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import Notification, { NotificationPreferences } from './notification'
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import { CancellationToken, CancellationTokenSource, Event, Emitter } from 'vscode-languageserver-protocol'
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import events from '../events'
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const logger = require('../util/logger')('model-progress')
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export interface Progress {
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report(value: { message?: string; increment?: number }): void
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}
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export interface ProgressOptions<R> {
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title?: string
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cancellable?: boolean
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task: (progress: Progress, token: CancellationToken) => Thenable<R>
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}
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export default class ProgressNotification<R> extends Notification {
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private tokenSource: CancellationTokenSource
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private readonly _onDidFinish = new Emitter<R>()
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public readonly onDidFinish: Event<R> = this._onDidFinish.event
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constructor(nvim: Neovim, private option: ProgressOptions<R>) {
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super(nvim, {
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kind: 'progress',
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title: option.title,
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buttons: option.cancellable ? [{ index: 1, text: 'Cancel' }] : undefined
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}, false)
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this.disposables.push(this._onDidFinish)
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events.on('BufWinLeave', bufnr => {
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if (bufnr == this.bufnr) {
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if (this.tokenSource) this.tokenSource.cancel()
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this._onDidFinish.fire(undefined)
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this.dispose()
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}
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}, null, this.disposables)
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}
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public async show(preferences: Partial<NotificationPreferences>): Promise<void> {
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let { task } = this.option
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let tokenSource = this.tokenSource = new CancellationTokenSource()
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this.disposables.push(tokenSource)
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let total = 0
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if (this.config.buttons || !preferences.disabled) {
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await super.show(preferences)
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} else {
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logger.warn(`progress window disabled by "notification.disabledProgressSources"`)
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}
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task({
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report: p => {
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if (!this.winid) return
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let { nvim } = this
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if (p.increment) {
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total += p.increment
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nvim.call('coc#window#set_var', [this.winid, 'percent', `${total}%`], true)
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}
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if (p.message) nvim.call('coc#window#set_var', [this.winid, 'message', p.message.replace(/\r?\n/g, ' ')], true)
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}
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}, tokenSource.token).then(res => {
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if (this._disposed) return
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this._onDidFinish.fire(res)
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this.dispose()
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}, err => {
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this.nvim.echoError(err)
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if (this._disposed) return
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this._onDidFinish.fire(undefined)
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this.dispose()
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})
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}
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}
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