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(* Js_of_ocaml library
* http://www.ocsigen.org/js_of_ocaml/
* Copyright (C) 2019 Alexander Yanin
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, with linking exception;
* either version 2.1 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*)
open! Import
class type resizeObserverSize = object
method inlineSize : Js.number_t Js.readonly_prop
method blockSize : Js.number_t Js.readonly_prop
end
class type resizeObserverEntry = object
method target : Dom.node Js.t Js.readonly_prop
method contentRect : Dom_html.clientRect Js.t Js.readonly_prop
method borderBoxSize : resizeObserverSize Js.t Js.js_array Js.t Js.readonly_prop
method contentBoxSize : resizeObserverSize Js.t Js.js_array Js.t Js.readonly_prop
end
class type resizeObserverOptions = object
method box : Js.js_string Js.t Js.writeonly_prop
end
class type resizeObserver = object
method observe : #Dom.node Js.t -> unit Js.meth
method observe_withOptions :
#Dom.node Js.t -> resizeObserverOptions Js.t -> unit Js.meth
method unobserve : #Dom.node Js.t -> unit Js.meth
method disconnect : unit Js.meth
end
let empty_resize_observer_options () : resizeObserverOptions Js.t = Js.Unsafe.obj [||]
let resizeObserver = Js.Unsafe.global##._ResizeObserver
let is_supported () = Js.Optdef.test resizeObserver
let resizeObserver :
( (resizeObserverEntry Js.t Js.js_array Js.t -> resizeObserver Js.t -> unit)
Js.callback
-> resizeObserver Js.t)
Js.constr =
resizeObserver
let observe
~(node : #Dom.node Js.t)
~(f : resizeObserverEntry Js.t Js.js_array Js.t -> resizeObserver Js.t -> unit)
?(box : Js.js_string Js.t option)
() : resizeObserver Js.t =
let obs = new%js resizeObserver (Js.wrap_callback f) in
(match box with
| None -> obs##observe node
| Some box ->
let opts = empty_resize_observer_options () in
opts##.box := box;
obs##observe_withOptions node opts);
obs
|
