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Handle updating seek sliders

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This commit is contained in:
Jordan Eldredge 2021-08-17 22:37:08 -07:00
parent 9cda59c125
commit 87dc5d2a77
1 changed files with 35 additions and 2 deletions
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37
packages/webamp-modern-2/src/skin/makiClasses/Slider.ts
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@ -17,6 +17,7 @@ export default class Slider extends GuiObj {
_high: number;
_position: number = 0;
_thumbDiv: HTMLDivElement = document.createElement("div");
_actionSubscription: null | (() => void);
constructor() {
super();
@ -102,8 +103,7 @@ export default class Slider extends GuiObj {
this._high = num(value);
break;
case "action":
// Undocumented on the Wiki
this._action = value;
this._setAction(value);
break;
default:
return false;
@ -111,6 +111,34 @@ export default class Slider extends GuiObj {
return true;
}
_setAction(value: string) {
if (this._actionSubscription != null) {
this._actionSubscription();
this._actionSubscription = null;
}
this._action = value.toLowerCase();
switch (this._action) {
case "seek": {
const update = () => {
this._position = UI_ROOT.audio.getCurrentTimePercent();
// TODO: We could throttle this, or only render if the change is "significant"?
this._renderThumbPosition();
};
update();
this._actionSubscription = UI_ROOT.audio.onCurrentTimeChange(update);
break;
}
case "eq_band":
break;
case "pan":
break;
case "volume":
break;
default:
assume(false, `Unhandled slider action: ${this._action}`);
}
}
// extern Int Slider.getPosition();
getposition(): number {
return this._position * 255;
@ -173,6 +201,11 @@ export default class Slider extends GuiObj {
this._div.appendChild(this._thumbDiv);
}
dispose() {
super.dispose();
this._actionSubscription();
}
/*
extern Slider.onPostedPosition(int newpos);
extern Slider.onSetFinalPosition(int pos);