79 lines
2.4 KiB
TypeScript
79 lines
2.4 KiB
TypeScript
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import type * as p from "@bokehjs/core/properties"
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import {View} from "@bokehjs/core/view"
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import {Model} from "@bokehjs/model"
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export class BrowserInfoView extends View {
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declare model: BrowserInfo
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override initialize(): void {
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super.initialize()
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if (window.matchMedia != null) {
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this.model.dark_mode = window.matchMedia("(prefers-color-scheme: dark)").matches
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}
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this.model.device_pixel_ratio = window.devicePixelRatio
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if (navigator != null) {
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this.model.language = navigator.language
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this.model.webdriver = navigator.webdriver
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}
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const timezone = Intl.DateTimeFormat().resolvedOptions().timeZone
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if (timezone != null) {
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this.model.timezone = timezone
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}
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const timezone_offset = new Date().getTimezoneOffset()
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if (timezone_offset != null) {
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this.model.timezone_offset = timezone_offset
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}
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try {
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const canvas = document.createElement("canvas")
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this.model.webgl = !!(
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window.WebGLRenderingContext &&
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(canvas.getContext("webgl") || canvas.getContext("experimental-webgl"))
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)
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} catch (e) {
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this.model.webgl = false
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}
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this._has_finished = true
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this.notify_finished()
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}
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}
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export namespace BrowserInfo {
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export type Attrs = p.AttrsOf<Props>
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export type Props = Model.Props & {
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dark_mode: p.Property<boolean | null>
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device_pixel_ratio: p.Property<number | null>
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language: p.Property<string | null>
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timezone: p.Property<string | null>
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timezone_offset: p.Property<number | null>
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webdriver: p.Property<boolean | null>
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webgl: p.Property<boolean | null>
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}
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}
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export interface BrowserInfo extends BrowserInfo.Attrs { }
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export class BrowserInfo extends Model {
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declare properties: BrowserInfo.Props
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static override __module__ = "panel.models.browser"
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constructor(attrs?: Partial<BrowserInfo.Attrs>) {
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super(attrs)
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}
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static {
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this.prototype.default_view = BrowserInfoView
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this.define<BrowserInfo.Props>(({Bool, Nullable, Float, Str}) => ({
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dark_mode: [ Nullable(Bool), null ],
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device_pixel_ratio: [ Nullable(Float), null ],
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language: [ Nullable(Str), null ],
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timezone: [ Nullable(Str), null ],
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timezone_offset: [ Nullable(Float), null ],
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webdriver: [ Nullable(Bool), null ],
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webgl: [ Nullable(Bool), null ],
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}))
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}
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}
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