83 lines
2.0 KiB
TypeScript
83 lines
2.0 KiB
TypeScript
import {
|
|
showControls,
|
|
toggleMute,
|
|
togglePlayPause,
|
|
toggleFullscreen,
|
|
seekBy,
|
|
setVolume,
|
|
} from "./controls";
|
|
import { saveProgress } from "./progress";
|
|
import { state } from "./state";
|
|
import { absoluteTimeFromRatio, getBounds } from "./timeline";
|
|
|
|
/** Sets up keyboard shortcuts for player control. Ignores input/textarea to allow typing. */
|
|
export const setupKeyboard = (): void => {
|
|
document.addEventListener("keydown", (e) => {
|
|
const target = e.target as HTMLElement;
|
|
// ignore when typing in form fields
|
|
if (target.tagName === "INPUT" || target.tagName === "TEXTAREA" || target.isContentEditable) {
|
|
return;
|
|
}
|
|
|
|
switch (e.code) {
|
|
case "Space":
|
|
case "KeyK": {
|
|
e.preventDefault();
|
|
togglePlayPause();
|
|
showControls();
|
|
saveProgress().catch((error) => {
|
|
console.error("keyboard progress save failed:", error);
|
|
});
|
|
break;
|
|
}
|
|
case "ArrowLeft":
|
|
case "KeyJ": {
|
|
e.preventDefault();
|
|
seekBy(-10);
|
|
break;
|
|
}
|
|
case "ArrowRight":
|
|
case "KeyL": {
|
|
e.preventDefault();
|
|
seekBy(10);
|
|
break;
|
|
}
|
|
case "ArrowUp": {
|
|
e.preventDefault();
|
|
setVolume(state.elements.video.volume + 0.05);
|
|
showControls();
|
|
break;
|
|
}
|
|
case "ArrowDown": {
|
|
e.preventDefault();
|
|
setVolume(state.elements.video.volume - 0.05);
|
|
showControls();
|
|
break;
|
|
}
|
|
case "KeyM": {
|
|
e.preventDefault();
|
|
toggleMute();
|
|
showControls();
|
|
break;
|
|
}
|
|
case "KeyF": {
|
|
e.preventDefault();
|
|
toggleFullscreen();
|
|
showControls();
|
|
break;
|
|
}
|
|
default: {
|
|
// number keys 0-9: jump to 0%-90% of video
|
|
if (/^\d$/.test(e.key)) {
|
|
const b = getBounds();
|
|
if (b.duration > 0) {
|
|
e.preventDefault();
|
|
state.elements.video.currentTime = absoluteTimeFromRatio(parseInt(e.key, 10) / 10);
|
|
showControls();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
});
|
|
};
|