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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.
*)
(** ResizeObserver API
A code example:
{[
if (ResizeObserver.is_supported ()) then
let doc = Dom_html.document in
let target =
Js.Opt.get (doc##getElementById (Js.string "observed"))
(fun () -> assert false)
in
let node = (target :> Dom.node Js.t) in
let f entries observer =
Firebug.console##debug entries;
Firebug.console##debug observer
in
ResizeObserver.observe ~node ~f
~box:(Js.string "content-box")
()
]}
@see <https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver> for API documentation
@see <https://drafts.csswg.org/resize-observer> for W3C draft spec
*)
class type resizeObserverSize =
object
method inlineSize : float Js.readonly_prop
method blockSize : float 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
val empty_resize_observer_options : unit -> resizeObserverOptions Js.t
val resizeObserver :
( (resizeObserverEntry Js.t Js.js_array Js.t -> resizeObserver Js.t -> unit)
Js.callback
-> resizeObserver Js.t)
Js.constr
val is_supported : unit -> bool
val 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
-> unit
-> resizeObserver Js.t
(** Helper to create a new observer and connect it to a node. *)
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