Enum TrackKind 

pub enum TrackKind {
    Subtitles,
    Captions,
    Descriptions,
    Chapters,
    Metadata,
}

The kind attribute values for <track> elements.

Purpose

Specifies the type of text track, defining how the track content should be interpreted and displayed for media accessibility and enhancement.

Usage Context

• Used with: <track> elements (within <audio> or <video>)
• Accessibility: Subtitles and captions are crucial for accessibility
• Format: Tracks typically use WebVTT format

Valid Values

• Subtitles: Transcription or translation for dialogue
• Captions: Transcription including sound effects (for hearing impaired)
• Descriptions: Text descriptions of visual content (for visually impaired)
• Chapters: Chapter titles for media navigation
• Metadata: Track for scripts (not displayed to user)

Example

use ironhtml_attributes::{AttributeValue, TrackKind};
let kind = TrackKind::Subtitles;
assert_eq!(kind.to_attr_value(), "subtitles");

<video src="movie.mp4" controls>
  <track kind="subtitles" src="subs-en.vtt" srclang="en" label="English">
  <track kind="captions" src="caps-en.vtt" srclang="en" label="English CC">
  <track kind="descriptions" src="desc.vtt" srclang="en">
  <track kind="chapters" src="chapters.vtt" srclang="en">
</video>

WHATWG Specification

• The track element
• Text track kind

Variants

Subtitles

Subtitles provide translation of dialogue and text for users who understand the audio but need translation.

Captions

Captions provide transcription and possibly translation of audio, including sound effects, music, and other audio information.

Descriptions

Descriptions provide textual descriptions of video content for visually impaired users.

Chapters

Chapters provide chapter titles for media navigation and structure.

Metadata

Metadata tracks are not displayed but used by scripts for enhanced interactivity.

Trait Implementations

impl AttributeValue for TrackKind

fn to_attr_value(&self) -> Cow<'static, str>

Convert to the attribute value string.

impl Clone for TrackKind

fn clone(&self) -> TrackKind

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for TrackKind

impl Debug for TrackKind

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for TrackKind

impl PartialEq for TrackKind

fn eq(&self, other: &TrackKind) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for TrackKind