verstak/build/dist/source/core/sensors/HoverSensor.js

Verstak - Front-End Library

var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
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var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
import { options, transaction, LoggingLevel, Transaction } from "reactronic";
import { SymDataForSensor, findTargetElementData } from "./DataForSensor.js";
import { BasePointerSensor } from "./BasePointerSensor.js";
import { KeyboardModifiers, extractModifierKeys } from "./KeyboardSensor.js";
export class HoverSensor extends BasePointerSensor {
    constructor(element) {
        super(element);
        this.target = undefined;
        this.isHovered = false;
        this.target = undefined;
    }
    listen(enabled = true) {
        const t = Transaction.current;
        Transaction.outside(() => {
            t.whenFinished(true).then(() => {
                const element = this.sourceElement;
                if (enabled) {
                    element.addEventListener("pointerenter", this.onPointerEnter.bind(this));
                    element.addEventListener("pointerover", this.onPointerOver.bind(this), { capture: true });
                    element.addEventListener("pointermove", this.onPointerMove.bind(this), { capture: true });
                    element.addEventListener("pointerleave", this.onPointerLeave.bind(this));
                }
                else {
                    element.removeEventListener("pointerenter", this.onPointerEnter.bind(this));
                    element.removeEventListener("pointerover", this.onPointerOver.bind(this), { capture: true });
                    element.removeEventListener("pointermove", this.onPointerMove.bind(this), { capture: true });
                    element.removeEventListener("pointerleave", this.onPointerLeave.bind(this));
                }
            }, e => { });
        });
    }
    onPointerEnter(e) {
        this.doPointerEnter(e);
    }
    onPointerOver(e) {
        this.doPointerOver(e);
    }
    onPointerMove(e) {
        this.doPointerMove(e);
    }
    onPointerLeave(e) {
        this.doPointerLeave(e);
    }
    doPointerEnter(e) {
        this.preventDefault = false;
        this.stopPropagation = false;
        this.isHovered = true;
        this.revision++;
    }
    doPointerOver(e) {
        var _a;
        this.preventDefault = false;
        this.stopPropagation = false;
        const targetPath = e.composedPath();
        const underPointer = document.elementsFromPoint(e.clientX, e.clientY);
        this.target = (_a = findTargetElementData(targetPath, underPointer, SymDataForSensor, ["hover"]).data) === null || _a === void 0 ? void 0 : _a.hover;
        this.modifiers = extractModifierKeys(e);
        this.positionX = e.clientX;
        this.positionY = e.clientY;
        this.revision++;
    }
    doPointerMove(e) {
        this.preventDefault = false;
        this.stopPropagation = false;
        this.modifiers = extractModifierKeys(e);
        this.positionX = e.clientX;
        this.positionY = e.clientY;
        this.revision++;
    }
    doPointerLeave(e) {
        this.reset();
    }
    reset() {
        this.preventDefault = false;
        this.stopPropagation = false;
        this.isHovered = false;
        this.target = undefined;
        this.positionX = Infinity;
        this.positionY = Infinity;
        this.modifiers = KeyboardModifiers.none;
    }
}
__decorate([
    transaction,
    options({ logging: LoggingLevel.Off }),
    __metadata("design:type", Function),
    __metadata("design:paramtypes", [PointerEvent]),
    __metadata("design:returntype", void 0)
], HoverSensor.prototype, "doPointerEnter", null);
__decorate([
    transaction,
    options({ logging: LoggingLevel.Off }),
    __metadata("design:type", Function),
    __metadata("design:paramtypes", [PointerEvent]),
    __metadata("design:returntype", void 0)
], HoverSensor.prototype, "doPointerOver", null);
__decorate([
    transaction,
    options({ logging: LoggingLevel.Off }),
    __metadata("design:type", Function),
    __metadata("design:paramtypes", [PointerEvent]),
    __metadata("design:returntype", void 0)
], HoverSensor.prototype, "doPointerMove", null);
__decorate([
    transaction,
    options({ logging: LoggingLevel.Off }),
    __metadata("design:type", Function),
    __metadata("design:paramtypes", [PointerEvent]),
    __metadata("design:returntype", void 0)
], HoverSensor.prototype, "doPointerLeave", null);
__decorate([
    transaction,
    options({ logging: LoggingLevel.Off }),
    __metadata("design:type", Function),
    __metadata("design:paramtypes", []),
    __metadata("design:returntype", void 0)
], HoverSensor.prototype, "reset", null);