@progress/kendo-angular-common
Version:
Kendo UI for Angular - Utility Package
67 lines (66 loc) • 2.49 kB
JavaScript
/**-----------------------------------------------------------------------------------------
* Copyright © 2020 Progress Software Corporation. All rights reserved.
* Licensed under commercial license. See LICENSE.md in the project root for more information
*-------------------------------------------------------------------------------------------*/
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var core_1 = require("@angular/core");
var utils_1 = require("../utils");
var ResizeService = /** @class */ (function () {
function ResizeService(resizeBatchService) {
this.resizeBatchService = resizeBatchService;
this.resize = new core_1.EventEmitter();
this.acceptedSize = false;
this.state = 0 /* Initial */;
}
ResizeService.prototype.acceptSize = function (size) {
if (size === void 0) { size = this.measure(); }
this.lastWidth = size.width;
this.lastHeight = size.height;
this.acceptedSize = true;
};
ResizeService.prototype.checkChanges = function () {
if (!utils_1.isDocumentAvailable()) {
return;
}
if (this.state === 0 /* Initial */) {
this.state = 1 /* Initializing */;
// batch initial measure
this.resizeBatchService.schedule(this, this.init);
}
};
ResizeService.prototype.destroy = function () {
this.resizeBatchService.cancel(this);
};
ResizeService.prototype.checkSize = function () {
if (!this.parentElement) {
return;
}
var _a = this.measure(), width = _a.width, height = _a.height;
var sameSize = width === this.lastWidth && height === this.lastHeight;
if (sameSize) {
return;
}
this.lastWidth = width;
this.lastHeight = height;
this.acceptedSize = false;
this.resize.emit();
return true;
};
ResizeService.prototype.initSize = function () {
var size = this.measure();
this.lastWidth = size.width;
this.lastHeight = size.height;
};
ResizeService.prototype.measure = function () {
var width = 0;
var height = 0;
if (this.parentElement) {
height = this.parentElement.offsetHeight;
width = this.parentElement.offsetWidth;
}
return { height: height, width: width };
};
return ResizeService;
}());
exports.ResizeService = ResizeService;