Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | 1x 1x 1x 1x 1x 1x 3x 2x | export class EventManager {
private get window(): Window {
return window;
}
private get document(): Document {
return document;
}
public onBlur(callback: () => void) {
this.window.addEventListener('blur', callback);
}
public onFocus(callback: () => void) {
this.window.addEventListener('focus', callback)
}
public onMouseMove(callback: () => void) {
this.window.addEventListener('mousemove', callback);
}
public onKeyUp(callback: () => void) {
this.document.addEventListener('keyup', callback);
}
public onTouchStart(callback: () => void) {
this.window.addEventListener('touchstart', callback);
}
public onScroll(callback: () => void) {
this.window.addEventListener('scroll', callback);
}
public onVisibilityChange(callback: (hidden: boolean) => void) {
this.document.addEventListener('visibilitychange', () => {
if (typeof this.document.hidden !== 'undefined') {
callback(this.document.hidden);
}
});
}
} |