@agentman/chat-widget/dist/assistantWidget/utils/ScrollManager.d.ts

Agentman Chat Widget for easy integration with web applications

/**
 * ScrollManager - Intelligent scroll behavior for chat messages
 *
 * Handles:
 * - Auto-scroll when user is at bottom
 * - Preserve scroll position when user is reading
 * - Show "new content" indicator when not auto-scrolling
 * - Smooth vs instant scroll options
 */
export interface ScrollConfig {
    threshold?: number;
    smoothScroll?: boolean;
    debug?: boolean;
}
export declare class ScrollManager {
    private container;
    private isUserScrolling;
    private lastScrollTop;
    private scrollEndTimer;
    private newContentIndicator;
    private logger;
    private config;
    constructor(config?: ScrollConfig);
    /**
     * Initialize scroll manager with container
     */
    init(container: HTMLElement): void;
    /**
     * Clean up listeners and resources
     */
    destroy(): void;
    /**
     * Check if user is at the bottom of the scroll container
     */
    isAtBottom(): boolean;
    /**
     * Check if user is actively scrolling
     */
    isScrolling(): boolean;
    /**
     * Scroll to bottom if appropriate
     * @param force - Force scroll even if user is reading
     */
    scrollToBottom(force?: boolean): void;
    /**
     * Handle new content during streaming
     */
    handleStreamingUpdate(): void;
    /**
     * Attach scroll event listeners
     */
    private attachListeners;
    /**
     * Handle scroll events
     */
    private handleScroll;
    /**
     * Handle wheel events (user scrolling with mouse)
     */
    private handleWheel;
    /**
     * Handle touch start (user scrolling on mobile)
     */
    private handleTouchStart;
    /**
     * Show indicator that new content is available
     */
    private showNewContentIndicator;
    /**
     * Hide the new content indicator
     */
    private hideNewContentIndicator;
    /**
     * Reset scroll state (e.g., when switching conversations)
     */
    reset(): void;
}