File size: 5,340 Bytes
bc575bc | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 | import type { TUI } from "@earendil-works/pi-tui";
import type { SettingsManager } from "../../../core/settings-manager.ts";
import {
detectTerminalBackgroundFromEnv,
detectTerminalBackgroundTheme,
detectTerminalThemeForAuto,
initTheme,
parseAutoThemeSetting,
resolveThemeSetting,
setTheme,
setThemeInstance,
type TerminalTheme,
type Theme,
} from "./theme.ts";
type ThemeResult = { success: boolean; error?: string };
export class InteractiveThemeController {
private readonly ui: TUI;
private readonly getSettingsManager: () => SettingsManager;
private readonly showError: (message: string) => void;
private readonly onChanged: () => void;
private currentThemeSetting: string | undefined;
private terminalTheme: TerminalTheme = detectTerminalBackgroundFromEnv().theme;
private activeThemeName: string | undefined;
private autoSyncEnabled = false;
private terminalColorSchemeUnsubscribe: (() => void) | undefined;
constructor(
ui: TUI,
options: {
getSettingsManager: () => SettingsManager;
showError: (message: string) => void;
onChanged: () => void;
initialThemeSetting?: string;
},
) {
this.ui = ui;
this.getSettingsManager = options.getSettingsManager;
this.showError = options.showError;
this.onChanged = options.onChanged;
this.currentThemeSetting = options.initialThemeSetting;
this.activeThemeName = resolveThemeSetting(
this.currentThemeSetting ?? this.getSettingsManager().getThemeSetting(),
this.terminalTheme,
);
initTheme(this.activeThemeName, true);
this.bindTerminalColorSchemeListener();
}
rebindTui(): void {
this.terminalColorSchemeUnsubscribe?.();
this.bindTerminalColorSchemeListener();
this.ui.setTerminalColorSchemeNotifications(this.autoSyncEnabled);
}
async applyFromSettings(): Promise<void> {
const settingsManager = this.getSettingsManager();
const themeSetting = this.currentThemeSetting ?? settingsManager.getThemeSetting();
const autoTheme = parseAutoThemeSetting(themeSetting);
if (autoTheme) {
this.terminalTheme = await detectTerminalThemeForAuto({ ui: this.ui, timeoutMs: 100 });
this.setAutoSync(true);
this.applyThemeName(this.terminalTheme === "light" ? autoTheme.lightTheme : autoTheme.darkTheme, true);
return;
}
this.setAutoSync(false);
if (themeSetting !== undefined) {
this.applyThemeName(themeSetting, true);
return;
}
const detection = await detectTerminalBackgroundTheme({ ui: this.ui, timeoutMs: 100 });
this.terminalTheme = detection.theme;
if (!this.applyThemeName(detection.theme).success) return;
if (detection.confidence === "high") {
settingsManager.setTheme(detection.theme);
await settingsManager.flush();
}
}
getThemeSelection(): string | undefined {
return this.currentThemeSetting ?? this.getSettingsManager().getThemeSetting() ?? this.activeThemeName;
}
setThemeName(themeName: string, showError = false): ThemeResult {
this.setAutoSync(false);
const result = this.applyThemeName(themeName, showError);
if (result.success) {
this.currentThemeSetting = themeName;
}
return result;
}
async setThemeSetting(themeSetting: string): Promise<void> {
this.currentThemeSetting = themeSetting;
await this.applyFromSettings();
}
setThemeInstance(themeInstance: Theme): ThemeResult {
this.setAutoSync(false);
setThemeInstance(themeInstance);
this.activeThemeName = "<in-memory>";
this.notifyChanged();
return { success: true };
}
preview(themeSettingOrName: string): void {
const themeName = resolveThemeSetting(themeSettingOrName, this.terminalTheme) ?? this.activeThemeName;
if (!themeName) return;
if (setTheme(themeName, true).success) {
this.ui.invalidate();
this.ui.requestRender();
}
}
disableAutoSync(): void {
this.setAutoSync(false);
}
dispose(): void {
this.setAutoSync(false);
this.terminalColorSchemeUnsubscribe?.();
this.terminalColorSchemeUnsubscribe = undefined;
}
getTerminalTheme(): TerminalTheme {
return this.terminalTheme;
}
private applyThemeName(themeName: string, showError = false): ThemeResult {
const result = setTheme(themeName, true);
this.activeThemeName = result.success ? themeName : "dark";
this.notifyChanged();
if (!result.success && showError) {
this.showError(`Failed to load theme "${themeName}": ${result.error}\nFell back to dark theme.`);
}
return result;
}
private notifyChanged(): void {
this.ui.invalidate();
this.onChanged();
}
private setAutoSync(enabled: boolean): void {
if (this.autoSyncEnabled === enabled) return;
this.autoSyncEnabled = enabled;
this.ui.setTerminalColorSchemeNotifications(enabled);
}
private bindTerminalColorSchemeListener(): void {
this.terminalColorSchemeUnsubscribe = this.ui.onTerminalColorSchemeChange((terminalTheme) =>
this.applyTerminalTheme(terminalTheme),
);
}
private applyTerminalTheme(terminalTheme: TerminalTheme): void {
if (!this.autoSyncEnabled) return;
this.terminalTheme = terminalTheme;
const autoTheme = parseAutoThemeSetting(this.currentThemeSetting ?? this.getSettingsManager().getThemeSetting());
if (!autoTheme) {
this.setAutoSync(false);
return;
}
const themeName = terminalTheme === "light" ? autoTheme.lightTheme : autoTheme.darkTheme;
if (themeName !== this.activeThemeName) {
this.applyThemeName(themeName);
}
}
}
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