WIP
This commit is contained in:
RMidhunSuresh
parent
e1ee258630
commit
ecb3a66dfc
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@ -15,37 +15,16 @@ limitations under the License.
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*/
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import type {ILogItem} from "../../../logging/types";
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import type {ThemeManifest} from "../../types/theme";
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import type {Platform} from "../Platform.js";
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import {ThemeBuilder} from "./ThemeBuilder";
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type NormalVariant = {
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id: string;
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cssLocation: string;
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variables?: any;
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};
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type Variant = NormalVariant & {
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variantName: string;
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};
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type DefaultVariant = {
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dark: Variant;
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light: Variant;
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default: Variant;
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}
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export type ThemeInformation = NormalVariant | DefaultVariant;
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export enum ColorSchemePreference {
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Dark,
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Light
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};
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import {RuntimeThemeParser} from "./parsers/RuntimeThemeParser";
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import type {Variant, ThemeInformation} from "./parsers/types";
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import {ColorSchemePreference} from "./parsers/types";
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import { BuiltThemeParser } from "./parsers/BuiltThemeParser";
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export class ThemeLoader {
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private _platform: Platform;
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private _themeMapping: Record<string, ThemeInformation>;
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private _themeBuilder: ThemeBuilder;
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private _injectedVariables?: Record<string, string>;
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constructor(platform: Platform) {
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this._platform = platform;
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@ -53,11 +32,11 @@ export class ThemeLoader {
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async init(manifestLocations: string[], log?: ILogItem): Promise<void> {
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await this._platform.logger.wrapOrRun(log, "ThemeLoader.init", async (log) => {
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this._themeMapping = {};
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const results = await Promise.all(
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manifestLocations.map(location => this._platform.request(location, { method: "GET", format: "json", cache: true, }).response())
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);
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this._themeBuilder = new ThemeBuilder(this._platform, this.preferredColorScheme);
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const runtimeThemeParser = new RuntimeThemeParser(this._platform, this.preferredColorScheme);
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const builtThemeParser = new BuiltThemeParser(this.preferredColorScheme);
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const runtimeThemePromises: Promise<void>[] = [];
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for (let i = 0; i < results.length; ++i) {
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const { body } = results[i];
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@ -69,11 +48,11 @@ export class ThemeLoader {
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}
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const {body: baseManifest} = results[indexOfBaseManifest];
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const baseManifestLocation = manifestLocations[indexOfBaseManifest];
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const promise = this._themeBuilder.populateDerivedTheme(body, baseManifest, baseManifestLocation, log);
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const promise = runtimeThemeParser.parse(body, baseManifest, baseManifestLocation, log);
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runtimeThemePromises.push(promise);
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}
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else {
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this._populateThemeMap(body, manifestLocations[i], log);
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builtThemeParser.parse(body, manifestLocations[i], log);
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}
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}
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catch(e) {
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@ -81,98 +60,14 @@ export class ThemeLoader {
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}
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}
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await Promise.all(runtimeThemePromises);
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Object.assign(this._themeMapping, this._themeBuilder.themeMapping);
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// Add the default-theme as an additional option to the mapping
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const defaultThemeId = this.getDefaultTheme();
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if (defaultThemeId) {
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const themeDetails = this._findThemeDetailsFromId(defaultThemeId);
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if (themeDetails) {
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this._themeMapping["Default"] = { id: "default", cssLocation: themeDetails.themeData.cssLocation! };
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const variables = themeDetails.themeData.variables;
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if (variables) {
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this._themeMapping["Default"].variables = variables;
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}
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}
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}
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log.log({ l: "Default Theme", theme: defaultThemeId});
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this._themeMapping = { ...builtThemeParser.themeMapping, ...runtimeThemeParser.themeMapping };
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Object.assign(this._themeMapping, builtThemeParser.themeMapping, runtimeThemeParser.themeMapping);
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this._addDefaultThemeToMapping(log);
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log.log({ l: "Preferred colorscheme", scheme: this.preferredColorScheme === ColorSchemePreference.Dark ? "dark" : "light" });
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log.log({ l: "Result", themeMapping: this._themeMapping });
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});
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}
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private _populateThemeMap(manifest: ThemeManifest, manifestLocation: string, log: ILogItem) {
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log.wrap("ThemeLoader.populateThemeMap", () => {
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/*
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After build has finished, the source section of each theme manifest
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contains `built-assets` which is a mapping from the theme-id to
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cssLocation of theme
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*/
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const builtAssets: Record<string, string> = manifest.source?.["built-assets"];
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const themeName = manifest.name;
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if (!themeName) {
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throw new Error(`Theme name not found in manifest at ${manifestLocation}`);
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}
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let defaultDarkVariant: any = {}, defaultLightVariant: any = {};
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for (let [themeId, cssLocation] of Object.entries(builtAssets)) {
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try {
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/**
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* This cssLocation is relative to the location of the manifest file.
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* So we first need to resolve it relative to the root of this hydrogen instance.
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*/
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cssLocation = new URL(cssLocation, new URL(manifestLocation, window.location.origin)).href;
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}
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catch {
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continue;
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}
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const variant = themeId.match(/.+-(.+)/)?.[1];
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const variantDetails = manifest.values?.variants[variant!];
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if (!variantDetails) {
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throw new Error(`Variant ${variant} is missing in manifest at ${manifestLocation}`);
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}
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const { name: variantName, default: isDefault, dark } = variantDetails;
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const themeDisplayName = `${themeName} ${variantName}`;
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if (isDefault) {
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/**
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* This is a default variant!
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* We'll add these to the themeMapping (separately) keyed with just the
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* theme-name (i.e "Element" instead of "Element Dark").
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* We need to be able to distinguish them from other variants!
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*
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* This allows us to render radio-buttons with "dark" and
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* "light" options.
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*/
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const defaultVariant = dark ? defaultDarkVariant : defaultLightVariant;
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defaultVariant.variantName = variantName;
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defaultVariant.id = themeId
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defaultVariant.cssLocation = cssLocation;
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continue;
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}
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// Non-default variants are keyed in themeMapping with "theme_name variant_name"
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// eg: "Element Dark"
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this._themeMapping[themeDisplayName] = {
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cssLocation,
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id: themeId
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};
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}
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if (defaultDarkVariant.id && defaultLightVariant.id) {
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/**
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* As mentioned above, if there's both a default dark and a default light variant,
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* add them to themeMapping separately.
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*/
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const defaultVariant = this.preferredColorScheme === ColorSchemePreference.Dark ? defaultDarkVariant : defaultLightVariant;
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this._themeMapping[themeName] = { dark: defaultDarkVariant, light: defaultLightVariant, default: defaultVariant };
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}
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else {
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/**
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* If only one default variant is found (i.e only dark default or light default but not both),
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* treat it like any other variant.
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*/
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const variant = defaultDarkVariant.id ? defaultDarkVariant : defaultLightVariant;
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this._themeMapping[`${themeName} ${variant.variantName}`] = { id: variant.id, cssLocation: variant.cssLocation };
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}
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});
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}
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setTheme(themeName: string, themeVariant?: "light" | "dark" | "default", log?: ILogItem) {
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this._platform.logger.wrapOrRun(log, { l: "change theme", name: themeName, variant: themeVariant }, () => {
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let cssLocation: string, variables: Record<string, string>;
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@ -191,10 +86,10 @@ export class ThemeLoader {
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this._platform.replaceStylesheet(cssLocation);
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if (variables) {
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log?.log({l: "Derived Theme", variables});
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this._themeBuilder.injectCSSVariables(variables);
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this._injectCSSVariables(variables);
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}
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else {
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this._themeBuilder.removePreviousCSSVariables();
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this._removePreviousCSSVariables();
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}
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this._platform.settingsStorage.setString("theme-name", themeName);
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if (themeVariant) {
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@ -206,6 +101,25 @@ export class ThemeLoader {
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});
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}
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private _injectCSSVariables(variables: Record<string, string>): void {
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const root = document.documentElement;
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for (const [variable, value] of Object.entries(variables)) {
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root.style.setProperty(`--${variable}`, value);
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}
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this._injectedVariables = variables;
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}
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private _removePreviousCSSVariables(): void {
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if (!this._injectedVariables) {
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return;
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}
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const root = document.documentElement;
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for (const variable of Object.keys(this._injectedVariables)) {
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root.style.removeProperty(`--${variable}`);
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}
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this._injectedVariables = undefined;
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}
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/** Maps theme display name to theme information */
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get themeMapping(): Record<string, ThemeInformation> {
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return this._themeMapping;
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@ -246,6 +160,23 @@ export class ThemeLoader {
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}
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}
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private _addDefaultThemeToMapping(log: ILogItem) {
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log.wrap("addDefaultThemeToMapping", l => {
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const defaultThemeId = this.getDefaultTheme();
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if (defaultThemeId) {
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const themeDetails = this._findThemeDetailsFromId(defaultThemeId);
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if (themeDetails) {
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this._themeMapping["Default"] = { id: "default", cssLocation: themeDetails.themeData.cssLocation! };
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const variables = themeDetails.themeData.variables;
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if (variables) {
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this._themeMapping["Default"].variables = variables;
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}
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}
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}
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l.log({ l: "Default Theme", theme: defaultThemeId});
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});
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}
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get preferredColorScheme(): ColorSchemePreference | undefined {
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if (window.matchMedia("(prefers-color-scheme: dark)").matches) {
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return ColorSchemePreference.Dark;
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@ -0,0 +1,106 @@
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/*
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Copyright 2020 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import type {ThemeInformation} from "./types";
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import type {ThemeManifest} from "../../../types/theme";
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import type {ILogItem} from "../../../../logging/types";
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import {ColorSchemePreference} from "./types";
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export class BuiltThemeParser {
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private _themeMapping: Record<string, ThemeInformation> = {};
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private _preferredColorScheme?: ColorSchemePreference;
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constructor(preferredColorScheme?: ColorSchemePreference) {
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this._preferredColorScheme = preferredColorScheme;
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}
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parse(manifest: ThemeManifest, manifestLocation: string, log: ILogItem) {
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log.wrap("BuiltThemeParser.parse", () => {
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/*
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After build has finished, the source section of each theme manifest
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contains `built-assets` which is a mapping from the theme-id to
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cssLocation of theme
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*/
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const builtAssets: Record<string, string> = manifest.source?.["built-assets"];
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const themeName = manifest.name;
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if (!themeName) {
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throw new Error(`Theme name not found in manifest at ${manifestLocation}`);
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}
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let defaultDarkVariant: any = {}, defaultLightVariant: any = {};
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for (let [themeId, cssLocation] of Object.entries(builtAssets)) {
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try {
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/**
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* This cssLocation is relative to the location of the manifest file.
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* So we first need to resolve it relative to the root of this hydrogen instance.
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*/
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cssLocation = new URL(cssLocation, new URL(manifestLocation, window.location.origin)).href;
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}
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catch {
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continue;
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}
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const variant = themeId.match(/.+-(.+)/)?.[1];
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const variantDetails = manifest.values?.variants[variant!];
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if (!variantDetails) {
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throw new Error(`Variant ${variant} is missing in manifest at ${manifestLocation}`);
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}
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const { name: variantName, default: isDefault, dark } = variantDetails;
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const themeDisplayName = `${themeName} ${variantName}`;
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if (isDefault) {
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/**
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* This is a default variant!
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* We'll add these to the themeMapping (separately) keyed with just the
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* theme-name (i.e "Element" instead of "Element Dark").
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* We need to be able to distinguish them from other variants!
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*
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* This allows us to render radio-buttons with "dark" and
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* "light" options.
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*/
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const defaultVariant = dark ? defaultDarkVariant : defaultLightVariant;
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defaultVariant.variantName = variantName;
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defaultVariant.id = themeId
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defaultVariant.cssLocation = cssLocation;
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continue;
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}
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// Non-default variants are keyed in themeMapping with "theme_name variant_name"
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// eg: "Element Dark"
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this._themeMapping[themeDisplayName] = {
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cssLocation,
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id: themeId
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};
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}
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if (defaultDarkVariant.id && defaultLightVariant.id) {
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/**
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* As mentioned above, if there's both a default dark and a default light variant,
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* add them to themeMapping separately.
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*/
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const defaultVariant = this._preferredColorScheme === ColorSchemePreference.Dark ? defaultDarkVariant : defaultLightVariant;
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this._themeMapping[themeName] = { dark: defaultDarkVariant, light: defaultLightVariant, default: defaultVariant };
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}
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else {
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/**
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* If only one default variant is found (i.e only dark default or light default but not both),
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* treat it like any other variant.
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*/
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const variant = defaultDarkVariant.id ? defaultDarkVariant : defaultLightVariant;
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this._themeMapping[`${themeName} ${variant.variantName}`] = { id: variant.id, cssLocation: variant.cssLocation };
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}
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});
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}
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get themeMapping(): Record<string, ThemeInformation> {
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return this._themeMapping;
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}
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}
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@ -13,26 +13,25 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import type {ThemeInformation} from "./ThemeLoader";
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import type {Platform} from "../Platform.js";
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import type {ThemeManifest} from "../../types/theme";
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import {ColorSchemePreference} from "./ThemeLoader";
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import {IconColorizer} from "./IconColorizer";
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import {DerivedVariables} from "./DerivedVariables";
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import {ILogItem} from "../../../logging/types";
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import type {ThemeInformation} from "./types";
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import type {Platform} from "../../Platform.js";
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import type {ThemeManifest} from "../../../types/theme";
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import {ColorSchemePreference} from "./types";
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import {IconColorizer} from "../IconColorizer";
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import {DerivedVariables} from "../DerivedVariables";
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import {ILogItem} from "../../../../logging/types";
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export class ThemeBuilder {
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export class RuntimeThemeParser {
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private _themeMapping: Record<string, ThemeInformation> = {};
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private _preferredColorScheme?: ColorSchemePreference;
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private _platform: Platform;
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private _injectedVariables?: Record<string, string>;
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constructor(platform: Platform, preferredColorScheme?: ColorSchemePreference) {
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this._preferredColorScheme = preferredColorScheme;
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this._platform = platform;
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}
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async populateDerivedTheme(manifest: ThemeManifest, baseManifest: ThemeManifest, baseManifestLocation: string, log: ILogItem): Promise<void> {
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async parse(manifest: ThemeManifest, baseManifest: ThemeManifest, baseManifestLocation: string, log: ILogItem): Promise<void> {
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await log.wrap("ThemeBuilder.populateThemeMap", async () => {
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const {cssLocation, derivedVariables, icons} = this._getSourceData(baseManifest, baseManifestLocation, log);
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const themeName = manifest.name;
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@ -96,22 +95,4 @@ export class ThemeBuilder {
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return this._themeMapping;
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}
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injectCSSVariables(variables: Record<string, string>): void {
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const root = document.documentElement;
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for (const [variable, value] of Object.entries(variables)) {
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root.style.setProperty(`--${variable}`, value);
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}
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this._injectedVariables = variables;
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}
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removePreviousCSSVariables(): void {
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if (!this._injectedVariables) {
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return;
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}
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const root = document.documentElement;
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for (const variable of Object.keys(this._injectedVariables)) {
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root.style.removeProperty(`--${variable}`);
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}
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this._injectedVariables = undefined;
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}
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}
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@ -0,0 +1,38 @@
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/*
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Copyright 2020 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
|
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You may obtain a copy of the License at
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|
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http://www.apache.org/licenses/LICENSE-2.0
|
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|
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Unless required by applicable law or agreed to in writing, software
|
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distributed under the License is distributed on an "AS IS" BASIS,
|
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
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See the License for the specific language governing permissions and
|
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limitations under the License.
|
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*/
|
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export type NormalVariant = {
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id: string;
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cssLocation: string;
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variables?: any;
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};
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export type Variant = NormalVariant & {
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variantName: string;
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};
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export type DefaultVariant = {
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dark: Variant;
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light: Variant;
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default: Variant;
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}
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export type ThemeInformation = NormalVariant | DefaultVariant;
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export enum ColorSchemePreference {
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Dark,
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Light
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};
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Reference in New Issue