wave-roll/dist/lib/core/playback/utils/volume-state-manager.d.ts

JavaScript Library for Comparative MIDI Piano-Roll Visualization

/**
 * Volume and mute state management utilities
 */
export interface VolumeState {
    volume: number;
    muted: boolean;
}
/**
 * Manages volume and mute states for multiple sources
 */
export declare class VolumeStateManager<T extends string = string> {
    private onStateChange?;
    private volumes;
    private mutes;
    private masterVolume;
    private masterMuted;
    constructor(onStateChange?: ((wasSilent: boolean, isSilent: boolean) => void) | undefined);
    /**
     * Set volume for a specific source
     */
    setVolume(id: T, volume: number): void;
    /**
     * Get volume for a specific source
     */
    getVolume(id: T): number;
    /**
     * Set mute state for a specific source
     */
    setMuted(id: T, muted: boolean): void;
    /**
     * Get mute state for a specific source
     */
    isMuted(id: T): boolean;
    /**
     * Set master volume
     */
    setMasterVolume(volume: number): void;
    /**
     * Get master volume
     */
    getMasterVolume(): number;
    /**
     * Set master mute state
     */
    setMasterMuted(muted: boolean): void;
    /**
     * Check if master is muted
     */
    isMasterMuted(): boolean;
    /**
     * Get effective volume for a source (considering mute states and master)
     */
    getEffectiveVolume(id: T): number;
    /**
     * Check if all sources are effectively silent
     */
    isAllSilent(): boolean;
    /**
     * Check if a specific source is silent
     */
    isSilent(id: T): boolean;
    /**
     * Get all sources that are currently audible
     */
    getAudibleSources(): T[];
    /**
     * Clear all volume and mute states
     */
    clear(): void;
    /**
     * Get state summary
     */
    getState(): {
        sources: Map<T, VolumeState>;
        master: VolumeState;
    };
}
//# sourceMappingURL=volume-state-manager.d.ts.map