saltfish/dist/managers/DragManager.d.ts

An interactive video-guided tour system for web applications

/**
 * DragManager handles all drag-and-drop functionality for the player.
 * It's responsible for managing drag state, handling mouse events,
 * and updating player position during drag operations.
 */
export declare class DragManager {
    private playerElement;
    private playerRoot;
    private isDragging;
    private dragOffset;
    private justFinishedDragging;
    private dragStartPosition;
    private hasMoved;
    private resizeListener;
    private onDragStateChange;
    /**
     * Initializes the drag manager with the player elements
     * @param playerElement - The draggable player element
     * @param playerRoot - The root element that gets positioned
     * @param onDragStateChange - Callback for when drag state changes
     */
    initialize(playerElement: HTMLElement, playerRoot: HTMLElement, onDragStateChange?: () => void): void;
    /**
     * Sets up drag handlers for the player
     */
    private setupDragHandlers;
    /**
     * Updates the player position during drag operations
     * @param position - The new position coordinates
     * @param positionAlignment - The position alignment setting
     */
    private updatePlayerPosition;
    /**
     * Checks if the UI is currently being dragged
     */
    isCurrentlyDragging(): boolean;
    /**
     * Checks if dragging just finished
     */
    hasJustFinishedDragging(): boolean;
    /**
     * Resets drag state
     */
    resetDragState(): void;
    /**
     * Destroys the drag manager and cleans up resources
     */
    destroy(): void;
}
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