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import {Promise, PromiseWrapper} from 'angular2/src/facade/async';
import {DomAdapter} from 'angular2/src/dom/dom_adapter';
import {ElementRef} from 'angular2/src/core/compiler/element_ref';
export class Rectangle {
left;
right;
top;
bottom;
height;
width;
constructor(left, top, width, height) {
this.left = left;
this.right = left + width;
this.top = top;
this.bottom = top + height;
this.height = height;
this.width = width;
}
}
export class Ruler {
domAdapter: DomAdapter;
constructor(domAdapter: DomAdapter) {
this.domAdapter = domAdapter;
}
measure(el:ElementRef): Promise<Rectangle> {
var clntRect = this.domAdapter.getBoundingClientRect(el.domElement);
//even if getBoundingClientRect is synchronous we use async API in preparation for further changes
return PromiseWrapper.resolve(new Rectangle(clntRect.left, clntRect.top, clntRect.width, clntRect.height));
}
}