reactronic-dom
Version:
Reactronic DOM - Transactional Reactive Front-End Development Framework
212 lines (211 loc) • 8.69 kB
JavaScript
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
import { options, Reentrance, transaction, Transaction, LoggingLevel } from 'reactronic';
import { extractPointerButton, isPointerButtonDown, PointerButton, BasePointerSensor } from './BasePointerSensor';
import { findTargetElementData, SymDataForSensor } from './DataForSensor';
import { extractModifierKeys, KeyboardModifiers } from './KeyboardSensor';
export var ButtonState;
(function (ButtonState) {
ButtonState[ButtonState["Pressed"] = 0] = "Pressed";
ButtonState[ButtonState["Selecting"] = 1] = "Selecting";
ButtonState[ButtonState["Selected"] = 2] = "Selected";
ButtonState[ButtonState["Released"] = 3] = "Released";
})(ButtonState || (ButtonState = {}));
export class ButtonSensor extends BasePointerSensor {
constructor(focusSensor, windowSensor) {
super(focusSensor, windowSensor);
this.state = ButtonState.Released;
this.pointerButton = PointerButton.None;
this.originData = undefined;
this.selectedData = undefined;
this.selectedX = Infinity;
this.selectedY = Infinity;
this.selected = false;
}
listen(element, enabled = true) {
const existing = this.sourceElement;
if (element !== existing) {
if (existing) {
existing.removeEventListener('pointerdown', this.onPointerDown.bind(this), { capture: true });
existing.removeEventListener('pointermove', this.onPointerMove.bind(this), { capture: true });
existing.removeEventListener('pointerup', this.onPointerUp.bind(this), { capture: true });
existing.removeEventListener('lostpointercapture', this.onLostPointerCapture.bind(this), { capture: true });
existing.removeEventListener('keydown', this.onKeyDown.bind(this), { capture: true });
}
this.sourceElement = element;
if (element && enabled) {
element.addEventListener('pointerdown', this.onPointerDown.bind(this), { capture: true });
element.addEventListener('pointermove', this.onPointerMove.bind(this), { capture: true });
element.addEventListener('pointerup', this.onPointerUp.bind(this), { capture: true });
element.addEventListener('lostpointercapture', this.onLostPointerCapture.bind(this), { capture: true });
element.addEventListener('keydown', this.onKeyDown.bind(this), { capture: true });
}
}
}
onPointerDown(e) {
if (this.state === ButtonState.Released && (this.pointerButton === PointerButton.None))
this.press(e);
this.setPreventDefaultAndStopPropagation(e);
}
onPointerMove(e) {
const state = this.state;
if (isPointerButtonDown(this.pointerButton, e.buttons)) {
if (state === ButtonState.Pressed || state === ButtonState.Selecting)
this.selecting(e);
}
else if (state !== ButtonState.Released) {
this.cancel();
this.reset();
}
this.setPreventDefaultAndStopPropagation(e);
}
onPointerUp(e) {
const button = extractPointerButton(e);
if (button === this.pointerButton) {
if (this.state === ButtonState.Selecting) {
this.select(e);
this.release();
}
else if (this.state === ButtonState.Pressed) {
this.release();
}
}
else
this.cancel();
this.reset();
this.setPreventDefaultAndStopPropagation(e);
}
onLostPointerCapture(e) {
if (this.state !== ButtonState.Released) {
this.cancel();
this.reset();
}
}
onKeyDown(e) {
if (e.key === 'Escape' && this.state !== ButtonState.Released) {
this.cancel();
this.reset();
}
}
press(e) {
this.preventDefault = false;
this.stopPropagation = false;
const targetPath = e.composedPath();
const underPointer = document.elementsFromPoint(e.clientX, e.clientY);
const { data, window } = findTargetElementData(targetPath, underPointer, SymDataForSensor, ['button']);
const originData = data === null || data === void 0 ? void 0 : data.button;
if (originData) {
this.state = ButtonState.Pressed;
this.pointerButton = extractPointerButton(e);
this.originData = originData;
this.modifiers = extractModifierKeys(e);
this.positionX = e.clientX;
this.positionY = e.clientY;
this.revision++;
}
Transaction.standalone(() => {
var _a;
(_a = this.windowSensor) === null || _a === void 0 ? void 0 : _a.setActiveWindow(window, 'button');
});
}
selecting(e) {
this.updateSensorData(e);
this.state = ButtonState.Selecting;
this.selected = false;
}
select(e) {
this.updateSensorData(e);
this.state = ButtonState.Selected;
this.selectedX = e.clientX;
this.selectedY = e.clientY;
this.selected = true;
}
release() {
this.preventDefault = false;
this.stopPropagation = false;
this.state = ButtonState.Released;
this.revision++;
}
cancel() {
this.state = ButtonState.Released;
this.selected = false;
this.revision++;
}
reset() {
this.preventDefault = false;
this.stopPropagation = false;
this.state = ButtonState.Released;
this.originData = undefined;
this.selectedData = undefined;
this.pointerButton = PointerButton.None;
this.positionX = Infinity;
this.positionY = Infinity;
this.selectedX = Infinity;
this.selectedY = Infinity;
this.modifiers = KeyboardModifiers.None;
this.selected = false;
}
updateSensorData(e) {
this.preventDefault = false;
this.stopPropagation = false;
this.modifiers = extractModifierKeys(e);
this.positionX = e.clientX;
this.positionY = e.clientY;
this.revision++;
}
}
__decorate([
transaction,
__metadata("design:type", Function),
__metadata("design:paramtypes", [Object, Boolean]),
__metadata("design:returntype", void 0)
], ButtonSensor.prototype, "listen", null);
__decorate([
transaction,
options({ logging: LoggingLevel.Off }),
__metadata("design:type", Function),
__metadata("design:paramtypes", [PointerEvent]),
__metadata("design:returntype", void 0)
], ButtonSensor.prototype, "press", null);
__decorate([
transaction,
options({ reentrance: Reentrance.CancelPrevious, logging: LoggingLevel.Off }),
__metadata("design:type", Function),
__metadata("design:paramtypes", [PointerEvent]),
__metadata("design:returntype", void 0)
], ButtonSensor.prototype, "selecting", null);
__decorate([
transaction,
options({ logging: LoggingLevel.Off }),
__metadata("design:type", Function),
__metadata("design:paramtypes", [PointerEvent]),
__metadata("design:returntype", void 0)
], ButtonSensor.prototype, "select", null);
__decorate([
transaction,
options({ logging: LoggingLevel.Off }),
__metadata("design:type", Function),
__metadata("design:paramtypes", []),
__metadata("design:returntype", void 0)
], ButtonSensor.prototype, "release", null);
__decorate([
transaction,
options({ logging: LoggingLevel.Off }),
__metadata("design:type", Function),
__metadata("design:paramtypes", []),
__metadata("design:returntype", void 0)
], ButtonSensor.prototype, "cancel", null);
__decorate([
transaction,
options({ logging: LoggingLevel.Off }),
__metadata("design:type", Function),
__metadata("design:paramtypes", []),
__metadata("design:returntype", void 0)
], ButtonSensor.prototype, "reset", null);