torch-button.js
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"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.TorchButton = void 0;
var strings_1 = require("../../strings");
var base_1 = require("./base");
var TorchController = (function () {
function TorchController(torchCapability, buttonController, onTorchActionFailureCallback) {
this.isTorchOn = false;
this.torchCapability = torchCapability;
this.buttonController = buttonController;
this.onTorchActionFailureCallback = onTorchActionFailureCallback;
}
TorchController.prototype.isTorchEnabled = function () {
return this.isTorchOn;
};
TorchController.prototype.flipState = function () {
return __awaiter(this, void 0, void 0, function () {
var isTorchOnExpected, error_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
this.buttonController.disable();
isTorchOnExpected = !this.isTorchOn;
_a.label = 1;
case 1:
_a.trys.push([1, 3, , 4]);
return [4, this.torchCapability.apply(isTorchOnExpected)];
case 2:
_a.sent();
this.updateUiBasedOnLatestSettings(this.torchCapability.value(), isTorchOnExpected);
return [3, 4];
case 3:
error_1 = _a.sent();
this.propagateFailure(isTorchOnExpected, error_1);
this.buttonController.enable();
return [3, 4];
case 4: return [2];
}
});
});
};
TorchController.prototype.updateUiBasedOnLatestSettings = function (isTorchOn, isTorchOnExpected) {
if (isTorchOn === isTorchOnExpected) {
this.buttonController.setText(isTorchOnExpected
? strings_1.Html5QrcodeScannerStrings.torchOffButton()
: strings_1.Html5QrcodeScannerStrings.torchOnButton());
this.isTorchOn = isTorchOnExpected;
}
else {
this.propagateFailure(isTorchOnExpected);
}
this.buttonController.enable();
};
TorchController.prototype.propagateFailure = function (isTorchOnExpected, error) {
var errorMessage = isTorchOnExpected
? strings_1.Html5QrcodeScannerStrings.torchOnFailedMessage()
: strings_1.Html5QrcodeScannerStrings.torchOffFailedMessage();
if (error) {
errorMessage += "; Error = " + error;
}
this.onTorchActionFailureCallback(errorMessage);
};
TorchController.prototype.reset = function () {
this.isTorchOn = false;
};
return TorchController;
}());
var TorchButton = (function () {
function TorchButton(torchCapability, onTorchActionFailureCallback) {
this.onTorchActionFailureCallback = onTorchActionFailureCallback;
this.torchButton
= base_1.BaseUiElementFactory.createElement("button", base_1.PublicUiElementIdAndClasses.TORCH_BUTTON_ID);
this.torchController = new TorchController(torchCapability, this, onTorchActionFailureCallback);
}
TorchButton.prototype.render = function (parentElement, torchButtonOptions) {
var _this = this;
this.torchButton.innerText
= strings_1.Html5QrcodeScannerStrings.torchOnButton();
this.torchButton.style.display = torchButtonOptions.display;
this.torchButton.style.marginLeft = torchButtonOptions.marginLeft;
var $this = this;
this.torchButton.addEventListener("click", function (_) { return __awaiter(_this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4, $this.torchController.flipState()];
case 1:
_a.sent();
if ($this.torchController.isTorchEnabled()) {
$this.torchButton.classList.remove(base_1.PublicUiElementIdAndClasses.TORCH_BUTTON_CLASS_TORCH_OFF);
$this.torchButton.classList.add(base_1.PublicUiElementIdAndClasses.TORCH_BUTTON_CLASS_TORCH_ON);
}
else {
$this.torchButton.classList.remove(base_1.PublicUiElementIdAndClasses.TORCH_BUTTON_CLASS_TORCH_ON);
$this.torchButton.classList.add(base_1.PublicUiElementIdAndClasses.TORCH_BUTTON_CLASS_TORCH_OFF);
}
return [2];
}
});
}); });
parentElement.appendChild(this.torchButton);
};
TorchButton.prototype.updateTorchCapability = function (torchCapability) {
this.torchController = new TorchController(torchCapability, this, this.onTorchActionFailureCallback);
};
TorchButton.prototype.getTorchButton = function () {
return this.torchButton;
};
TorchButton.prototype.hide = function () {
this.torchButton.style.display = "none";
};
TorchButton.prototype.show = function () {
this.torchButton.style.display = "inline-block";
};
TorchButton.prototype.disable = function () {
this.torchButton.disabled = true;
};
TorchButton.prototype.enable = function () {
this.torchButton.disabled = false;
};
TorchButton.prototype.setText = function (text) {
this.torchButton.innerText = text;
};
TorchButton.prototype.reset = function () {
this.torchButton.innerText = strings_1.Html5QrcodeScannerStrings.torchOnButton();
this.torchController.reset();
};
TorchButton.create = function (parentElement, torchCapability, torchButtonOptions, onTorchActionFailureCallback) {
var button = new TorchButton(torchCapability, onTorchActionFailureCallback);
button.render(parentElement, torchButtonOptions);
return button;
};
return TorchButton;
}());
exports.TorchButton = TorchButton;
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