Class RuntimeModeService

packages/core/src/Core/RuntimeModeService.ts:127–263

 * Default runtime mode service implementation
 */
export class RuntimeModeService implements IRuntimeMode {
    private _isEditor: boolean;
    private _isPlaying: boolean;
    private _isPreview: boolean;
    private _callbacks: Set<ModeChangeCallback> = new Set();

    /**
     * 创建运行时模式服务
     * Create runtime mode service
     *
     * @param config 初始配置
     */
    constructor(config: RuntimeModeConfig = {}) {
        this._isEditor = config.isEditor ?? false;
        this._isPlaying = config.isPlaying ?? false;
        this._isPreview = config.isPreview ?? false;
    }

    // ========== IRuntimeMode 实现 ==========

    get isEditor(): boolean {
        return this._isEditor;
    }

    get isPlaying(): boolean {
        return this._isPlaying;
    }

    get isPreview(): boolean {
        return this._isPreview;
    }

    get isStandalone(): boolean {
        return !this._isEditor;
    }

    onModeChanged(callback: ModeChangeCallback): () => void {
        this._callbacks.add(callback);
        return () => {
            this._callbacks.delete(callback);
        };
    }

    // ========== 设置方法（供运行时内部使用）==========

    /**
     * 设置编辑器模式
     * Set editor mode
     *
     * @internal
     */
    setEditorMode(isEditor: boolean): void {
        if (this._isEditor !== isEditor) {
            this._isEditor = isEditor;
            this._notifyChange();
        }
    }