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omgui.lisp
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(defpackage :omgui
(:use cl omg jscl bordeaux-threads)
(:export add-event-handler
add-event-listener
add-style
add-youtube-player
append-element
async-bind
allow-page-close
bind-exit-values-for
browser-case
cache-vars
check-element
classic-worker
close-current-dialog
create-element
dialog-ok
disable-back-button
disable-scroll
dont-transfer
dragabble-list
dragabble-list-elements
dragabble-list-insert
dragabble-list-insert-position
element-width
element-height
enable-back-button
enable-scroll
ensure-element
execute-after
find-widget
gensym2
get-dialog-data
get-element-id
idb-object-store
if-idb-key
in-service-worker
indexed-db-add
indexed-db-put
indexed-db-get
indexed-db-delete
indexed-db-get-all-keys
is-nan
js-get-element-by-id
jsceil
jsfloor
jstrunc
jsln
jslog
jsmax
jsmin
js-parse-float
jssin
jscos
jstan
jsasin
jsacos
jsatan
jsatan2
jsrandom
jssort
kill
load-js-script
local-storage
make-dialog
make-dragabble-list
make-js-function
make-js-object
make-pwa
make-svg
make-tab-form
modal-dialog
now
oget-bind
on-element-remove
page-width
page-height
parent-element
prevent-page-close
register-hash-cb
register-main-lambda
remove-element
rm-event-handler
run-in-web-worker
service-worker
session-storage
set-service-worker-uri-handler
setup-indexed-db
show-notification
visible-width
visible-height
visible-left
visible-top
when-worker-free
when-worker-ready
winref
with-promise
with-self
set-service-worker-uri-handler
respond-with
default-action
uri-path
store-to-buffer
load-from-buffer))
(in-package :omgui)
(defvar *default-icon* nil)
(defun-f winref (name)
(jscl::oget (jscl::%js-vref "self") name))
(defun-f is-nan (n)
(funcall (winref "isNaN") n))
(defun-f js-parse-float (s)
(funcall (winref "Number") (jscl::lisp-to-js s)))
(defun-f local-storage (key &optional def)
(let ((vl ((jscl::oget (winref "localStorage") "getItem") (jscl::lisp-to-js key))))
(if (jscl::js-null-p vl) def vl)))
(defun-f (setf local-storage) (val key)
((jscl::oget (winref "localStorage") "setItem") (jscl::lisp-to-js key) val))
(defun-f session-storage (key &optional def)
(let ((vl ((jscl::oget (winref "sessionStorage") "getItem") (jscl::lisp-to-js key))))
(if (jscl::js-null-p vl) def vl)))
(defun-f (setf session-storage) (val key)
((jscl::oget (winref "sessionStorage") "setItem") (jscl::lisp-to-js key) val))
(def-local-macro-f async-bind (vcmd &rest cod)
(let* ((res (gensym))
(rst (gensym))
(vrs (car vcmd))
(ll (if (listp vrs)
`(,(car vrs) &optional ,@(cdr vrs) &rest ,rst)
`(,vrs &rest ,rst))))
`(progn
(funcall (jscl::oget (jscl::%js-vref "OMG") "AsyncRPC2")
(jscl::omg-write-to-string ',(omg::get-id omg::*current-session*)
',(intern (package-name *package*))
(list ',(caadr vcmd) (list ,@(cdadr vcmd))))
(lambda (,res)
(destructuring-bind ,ll ,res
,@cod)))
nil)))
(defun-f make-svg (&rest cod)
(labels ((process-cmd (cmd args)
(let* ((symname (symbol-name cmd))
(symdown (string-downcase symname))
(el ((jscl::oget (jscl::%js-vref "document") "createElementNS")
"http://www.w3.org/2000/svg"
(if (equal symname (string-upcase symname))
symdown
symname))))
((jscl::oget el "setAttribute") "xmlns" "http://www.w3.org/2000/svg")
(process-cmd-tail el args)))
(process-cmd-tail (el cod)
(if cod
(cond ((symbolp (car cod))
(let* ((path (js-string-split (symbol-name (car cod)) #\.))
(obj (deep-oget-1 el path))
(fld (car (last path))))
(if (> (length path) 1)
(jscl::oset (cadr cod) obj fld)
((jscl::oget el "setAttribute")
(symbol-name (car cod))
(cadr cod)))
(process-cmd-tail el (cddr cod))))
((listp (car cod))
(progn
((jscl::oget el "appendChild")
(process-cmd (caar cod) (cdar cod)))
(process-cmd-tail el (cdr cod))))
((stringp (car cod))
(let ((txt ((jscl::oget (jscl::%js-vref "document") "createTextNode") (car cod))))
((jscl::oget el "appendChild") txt)
(process-cmd-tail el (cdr cod))))
(t (progn
((jscl::oget el "appendChild") (car cod))
(process-cmd-tail el (cdr cod)))))
el)))
(process-cmd :svg cod)))
(defun-f system-font ()
"The system font for dialogs, etc. Defined as a function because functions are automatically updated in browsers."
"1.2em Gill Sans,Gill Sans MT,Calibri,sans-serif")
(defun-f jslog (&rest args)
"Log function for js"
(apply (jscl::oget (jscl::%js-vref "console") "log") args)
nil)
(defun-f jsrandom ()
"Return a random number in 0..1 range"
(funcall (jscl::oget (jscl::%js-vref "Math") "random")))
(defun-f jsfloor (x)
"Math.floor function"
((jscl::oget (jscl::%js-vref "Math") "floor") x))
(defun-f jsceil (x)
"Math.ceil function"
((jscl::oget (jscl::%js-vref "Math") "ceil") x))
(defun-f jstrunc (x)
"Math.trunc function"
((jscl::oget (jscl::%js-vref "Math") "trunc") x))
(defun-f jsln (arg)
"Math.log function"
((jscl::oget (jscl::%js-vref "Math") "log") arg))
(defun-f jssin (arg)
"Math.sin function"
((jscl::oget (jscl::%js-vref "Math") "sin") arg))
(defun-f jscos (arg)
"Math.cos function"
((jscl::oget (jscl::%js-vref "Math") "cos") arg))
(defun-f jstan (arg)
"Math.tan function"
((jscl::oget (jscl::%js-vref "Math") "tan") arg))
(defun-f jsasin (arg)
"Math.asin function"
((jscl::oget (jscl::%js-vref "Math") "asin") arg))
(defun-f jsacos (arg)
"Math.acos function"
((jscl::oget (jscl::%js-vref "Math") "acos") arg))
(defun-f jsatan (arg)
"Math.atan function"
((jscl::oget (jscl::%js-vref "Math") "atan") arg))
(defun-f jsatan2 (y x)
"Math.atan2 function"
((jscl::oget (jscl::%js-vref "Math") "atan2") y x))
(defun-f jsmin (&rest args)
"Math.min function"
(apply (jscl::oget (jscl::%js-vref "Math") "min") args))
(defun-f jsmax (&rest args)
"Math.max function"
(apply (jscl::oget (jscl::%js-vref "Math") "max") args))
(defun-f js-get-element-by-id (id)
"Get DOM object by ID (must not be called on host!)"
((jscl::oget (jscl::%js-vref "document") "getElementById") id))
(defun-f jssort (arr &optional (fn (lambda (x y) (> x y))))
"Sort an array"
((jscl::oget arr "sort") fn))
(defun-f check-element (id)
"Check if element with ``id'' exists in DOM"
(not (jscl::js-null-p (js-get-element-by-id id))))
(defun-f random-id ()
"Get an unique random string to use as a DOM id"
(let* ((chrs "ABCDEFGHIJKLMOPQRSTUVWXYZ")
(id (map 'string
(lambda (x)
(declare (ignore x))
(char chrs (jsfloor (* (jsrandom) (length chrs)))))
(make-string 8))))
(if (check-element id) (random-id) id)))
(defun-f get-element-id (el)
"Returns an id of the element el"
(let ((id (jscl::oget el "id")))
(if (> (length id) 0)
id
(let ((nid (random-id)))
(setf (jscl::oget el "id") nid)
nid))))
(defun-f js-string-split (path ch)
"Split a string path by the character ch, much, much fater then JSCL function"
(let* ((pos (position ch path))
(p0 (subseq path 0 pos)))
(cons p0 (if pos (js-string-split (subseq path (+ pos 1)) ch) (list)))))
(defun-f deep-oget-1 (el path)
"Get a value of el.the.list.of.the.property.path"
(if (cdr path)
(deep-oget-1 (jscl::oget el (car path)) (cdr path))
el))
(defun-f create-element (typ &rest args)
"Create and return a DOM element type ``typ'' and specified attributes: (create-element \"A\" '|href| \"http://google.com\")"
(let ((el ((jscl::oget (jscl::%js-vref "document") "createElement") typ)))
(loop for (k v) on args by (function cddr) do
(labels ((app-el (nel)
(append-element (if (stringp v)
((jscl::oget (jscl::%js-vref "document") "createTextNode") nel)
nel)
el)))
(cond ((equal k :append-element)
(app-el v))
((equal k :append-elements)
(map nil #'app-el v))
((equal k :add-style)
(add-style el v))
((equal (symbol-name k) (string-upcase (symbol-name k)))
((jscl::oget el "setAttribute") (symbol-name k) v))
(t (let* ((path (js-string-split (symbol-name k) #\.))
(obj (deep-oget-1 el path))
(fld (car (last path))))
(jscl::oset v obj fld))))))
el))
(defun-f append-element (el &optional parent)
"Append the element el as a child to the parent"
(let ((el1 (if (stringp el)
((jscl::oget (jscl::%js-vref "document") "createTextNode") el)
el)))
(if parent
((jscl::oget parent "appendChild") el1)
((jscl::oget (jscl::%js-vref "document")
"body"
"appendChild")
el1))
el1))
(defun-f parent-element (el)
"Get parent of the element el"
(jscl::oget el "parentNode"))
(defun-f remove-element (el)
"Remove the element el from it's parent children"
((jscl::oget (parent-element el) "removeChild") el))
(defun-f element-width (el)
"Get element width in pixels"
(jscl::oget el "clientWidth"))
(defun-f element-height (el)
"Get element height in pixels"
(jscl::oget el "clientHeight"))
(defun-f page-width ()
"Get the browser page width"
(jsmax (jscl::oget (jscl::%js-vref "document") "body" "scrollWidth")
(jscl::oget (jscl::%js-vref "document") "documentElement" "scrollWidth")
(jscl::oget (jscl::%js-vref "document") "body" "offsetWidth")
(jscl::oget (jscl::%js-vref "document") "documentElement" "offsetWidth")
(jscl::oget (jscl::%js-vref "document") "documentElement" "clientWidth")))
(defun-f page-height ()
"Get the browser page height"
(jsmax (jscl::oget (jscl::%js-vref "document") "body" "scrollHeight")
(jscl::oget (jscl::%js-vref "document") "documentElement" "scrollHeight")
(jscl::oget (jscl::%js-vref "document") "body" "offsetHeight")
(jscl::oget (jscl::%js-vref "document") "documentElement" "offsetHeight")
(jscl::oget (jscl::%js-vref "document") "documentElement" "clientHeight")))
(defun-f visible-width ()
"Get the browser page visible width"
(jscl::oget (jscl::%js-vref "document") "body" "clientWidth"))
(defun-f visible-height ()
"Get the browser page visible height"
(jscl::oget (jscl::%js-vref "document") "body" "clientHeight"))
(defun-f visible-left ()
"Get the browser page left coordinate"
(jscl::oget (jscl::%js-vref "document") "body" "scrollLeft"))
(defun-f visible-top ()
"Get the browser page top coordinate"
(jscl::oget (jscl::%js-vref "document") "body" "scrollTop"))
(defparameter-f *scroll-disabled* nil)
(defun-f disable-scroll ()
"Disable browser page scroll"
(if (not *scroll-disabled*)
(progn
(setf (jscl::oget (jscl::%js-vref "document") "body" "style" "overflow") "hidden")
(setf *scroll-disabled* t)
t)))
(defun-f enable-scroll ()
"Enable browser page scroll"
(if *scroll-disabled*
(progn
(setf (jscl::oget (jscl::%js-vref "document") "body" "style" "overflow") "")
(setf *scroll-disabled* nil)
t)))
(defun-f curtain ()
"Create a curtain, to shadow elements while modal dialog active"
(create-element "div" :|style.opacity| "80%"
:|style.background| "white"
:|style.width| (page-width)
:|style.height| (page-height)
:|style.position| "absolute"
:|style.top| "0"
:|style.left| "0"
:|class| "blurbg"
:|zIndex| 100000))
(defun-f dialog-frame ()
"Create a modal dialog outer frame"
(create-element "div" :|style.opacity| "0"
:|style.border| "0.1em solid black"
:|style.border-radius| "0.5em"
:|style.padding| "0"
:|style.overflowX| "hidden"
:|style.width| "auto"
:|style.background| "#fffff0"
:|style.display| "inline-block"
:|style.font| (system-font)
:|style.boxShadow| "0.5em 0.5em 1em gray"
:|style.position| "absolute"
:|omgwidget| "dialog"
:|zIndex| 200000))
(defun-f dialog-header (header)
"Create a modal dialog header"
(let* ((hdr (create-element "div" :|style.width| "auto"
:|style.background| "#a0f0a0"
:|style.padding| "0.5em"
:|style.minHeight| "1em"
:|innerHTML| (if header header "")))
(close-btn (create-element "div" :|style.width| "0.75em"
:|style.height| "0.75em"
:|style.margin| "0"
:|style.borderRadius| "0.2em"
:|style.background| "red"
:|style.float| "right"
:|style.boxShadow| "0 0 0.5em grey"
:|style.cursor| "pointer"
:|title| "close"
:|onclick| #'close-current-dialog)))
(append-element close-btn hdr)
hdr))
(defun-f execute-after (tim cb)
"Schedule an execution of cb after tim seconds"
(funcall (jscl::%js-vref "setTimeout") cb (* tim 1000.0)))
(defparameter-f *dialog-stack* nil)
(defun-f form-line (key txt &optional params)
"Create modal dialog table line"
(let* ((row (create-element "div" :|style.display| "table-row"
:|style.width| "auto"))
(c1 (create-element "div" :|style.display| "table-cell"
:|style.padding| "0.3em"
:|style.width| "auto"
:|style.text-align| "right"
:|style.fontWeight| "lighter"
:|style.verticalAlign| "bottom"
:|innerHTML| txt))
(c2 (create-element "div" :|style.display| "table-cell"
:|style.padding| "0.3em"
:|style.width| "50%"
:|style.verticalAlign| "bottom"))
(typ (getf params :type))
(def1 (getf params :default))
(def (if def1 def1 ""))
(inp (create-element "input" :|type| (if typ typ "text")
:|value| def
:|style.font| "inherit"
:|style.fontStyle| "italic"
:|style.fontWeight| "lighter"
:|style.width| "100%"))
(last-val def)
(cb (getf params :filter))
(current-dialog (car *dialog-stack*))
(data (cdr (assoc :data current-dialog))))
(if (not (assoc key data))
(progn
(push (cons key def) data)
(setf (cdr (assoc :data current-dialog))
data)))
(labels ((tcb (ev) ;; the callback is called after every field update
(execute-after 0
(lambda ()
(let ((val (jscl::oget inp "value")))
(if (not (equal last-val val))
(let ((new-val (if cb (funcall cb val) val))
(current-dialog (car *dialog-stack*))
(data (cdr (assoc :data current-dialog))))
(setf last-val (if (stringp new-val) new-val val))
(if (stringp new-val)
(let ((selection-start (jscl::oget inp "selectionStart"))
(selection-end (jscl::oget inp "selectionEnd")))
(setf (jscl::oget inp "value") new-val)
(if (not (assoc key data))
(push (cons key new-val) data)
(setf (cdr (assoc key data)) new-val))
(setf (cdr (assoc :data current-dialog)) data) ;; JSCL bug workaround
((jscl::oget inp "setSelectionRange")
selection-start
selection-end))))))))
t))
(setf (jscl::oget inp "onchange") #'tcb)
(setf (jscl::oget inp "onkeyup") #'tcb)
(setf (jscl::oget inp "onkeydown") #'tcb)
(setf (jscl::oget inp "onpaste") #'tcb)
(setf (jscl::oget inp "ondrop") #'tcb))
(append-element inp c2)
(append-element c1 row)
(append-element c2 row)
row))
(defun-f form-button-row (btns)
"Create a row with buttons for dialog"
(let* ((row (create-element "div" :|style.display| "table-caption"
:|style.width| "auto"
:|style.captionSide| "bottom"))
(cl (create-element "div" :|style.display| "flex"
:|style.width| "100%"
:|style.height| "100%"
:|style.text-align| "center"
:|style.justifyContent| "center"
:|style.alignItems| "center"
:|style.paddingBottom| "0.5em")))
(map nil
(lambda (b)
(cond ((listp b)
(append-element
(create-element "button" :|innerHTML| (car b)
:|style.marginBottom| "0.3em"
:|style.marginLeft| "1em"
:|style.marginRight| "1em"
:|onclick| (lambda (ev)
(funcall (eval (cadr b)))))
cl))))
btns)
(append-element cl row)
row))
(defun-f dialog-table (lines)
"Create modal dialog table"
(let ((tbl (create-element "div" :|style.display| "table"
:|style.width| "auto"
:|style.padding| "1em")))
(loop for (k v) on lines by (function cddr) do
(if (equal k :buttons)
(append-element (form-button-row v) tbl)
(if (listp v)
(cond ((stringp (car v))
(append-element (form-line k (car v) (cdr v)) tbl)))
(append-element (form-line k v) tbl))))
tbl))
(defparameter *dialog-wait-list* (make-hash-table))
(defun-r dialog-wl-send (id dat)
(let ((sem (gethash id *dialog-wait-list*)))
(if sem
(progn
(setf (gethash id *dialog-wait-list*)
(remove-if (lambda (x) (equal (car x) 'dialog-id)) dat))
(signal-semaphore sem))))
nil)
(defun-f close-current-dialog (&optional ev no-sem)
(let ((current-dialog (pop *dialog-stack*)))
(if (assoc :scroll-disabled current-dialog)
(enable-scroll))
(let* ((outer (cdr (assoc :outer current-dialog)))
(curtain (cdr (assoc :curtain current-dialog)))
(dat (cdr (assoc :data current-dialog)))
(id (assoc 'dialog-id dat)))
(if outer
(remove-element outer))
(if curtain
(remove-element curtain))
(if (and (cdr id) (not no-sem))
(dialog-wl-send (cdr id) nil)))))
(defun-f get-dialog-data ()
(cdr (assoc :data (car *dialog-stack*))))
(defun-f make-dialog (header-text dialog-text &key lines id)
"Create modal dialog with header, text and lines. "
(let* ((curtain (curtain))
(outer (dialog-frame)))
(setf *dialog-stack*
(cons (list (cons :scroll-disabled (disable-scroll))
(cons :curtain curtain)
(cons :outer outer)
(cons :data (list (cons 'dialog-id id))))
*dialog-stack*))
(let* ((hdr (dialog-header header-text))
(tbl (dialog-table lines))
(txt (create-element "div" :|innerHTML| dialog-text
:|style.fontWeight| "lighter"
:|style.marginTop| "1em"
:|style.marginLeft| "1em"
:|style.marginRight| "1em"
:|style.width| "auto")))
(append-element hdr outer)
(if dialog-text (append-element txt outer))
(append-element tbl outer)
(append-element curtain)
(append-element outer)
(setf (jscl::oget outer "style" "left")
(jscl::concat
(write-to-string
(+ (visible-left)
(jsfloor (/ (- (visible-width)
(element-width outer))
2))))
"px"))
(setf (jscl::oget outer "style" "top")
(jscl::concat
(write-to-string
(+ (visible-top)
(jsfloor (/ (- (visible-height)
(element-height outer))
2))))
"px"))
(setf (jscl::oget outer "style" "opacity") "100%")
(get-element-id curtain))))
(defun-f dialog-ok ()
(let* ((current-dialog (car *dialog-stack*))
(dat (cdr (assoc :data current-dialog)))
(id (assoc 'dialog-id dat)))
(close-current-dialog nil t)
(if id
(dialog-wl-send (cdr id) dat))))
(defmacro modal-dialog (header-text dialog-text &key lines)
`(if (current-session-id)
(let* ((id (intern (symbol-name (omg::random-key *dialog-wait-list*)) :omgui))
(sem (make-semaphore))
(ht ,header-text)
(dt ,dialog-text)
(lins ,lines))
(setf (gethash id *dialog-wait-list*) sem)
(if (remote-exec `(make-dialog ,ht ,dt :lines ',lins :id ',id))
(progn
(wait-on-semaphore sem)
(let ((res (gethash id *dialog-wait-list*)))
(remhash id *dialog-wait-list*)
res))))))
(defun-f load-js-script (src &optional onload)
(let ((el (create-element "script" :|src| src)))
(if onload
(setf (jscl::oget el "onload") onload))
(append-element el)))
(defun-f make-js-function (name code)
(setf (jscl::oget (jscl::%js-vref "self") name) code))
(defun-f make-js-object (&rest plist)
(let ((obj (jscl::new)))
(loop for (k v) on plist by #'cddr do (setf (jscl::oget obj (symbol-name k)) v))
obj))
(defun-f allow-page-close ()
(setf *disable-page-unload* nil)
nil)
(defparameter-f *disable-back* nil)
(defparameter-f *backcnt* 0)
(defparameter-f *fback* t)
(defparameter-f *onpopstate-installed* nil)
(defun-f disable-back-button (&optional cb)
(if (not *onpopstate-installed*)
(progn
((jscl::oget
(jscl::%js-vref "history")
"pushState") "" "" (jscl::oget (jscl::%js-vref "self") "location" "href"))
((jscl::oget (jscl::%js-vref "history") "back"))
(setf *onpopstate-installed* t)
(setf (jscl::oget (jscl::%js-vref "self") "onpopstate")
(lambda (ev)
(let ((bcnt *backcnt*) ;; JSCL bug workaround
(fb *fback*))
(setf *backcnt* (+ 1 *backcnt*))
(if *disable-back*
((jscl::oget (jscl::%js-vref "history") "forward")))
(if (equal bcnt 1)
(progn
(if (and cb (not fb)) (funcall cb))
(setf *fback* nil)
(setf *backcnt* 0))))))))
(setf *disable-back* t)
nil)
(defun-f enable-back-button ()
(setf *disable-back* nil)
((jscl::oget (jscl::%js-vref "history") "back"))
nil)
(defparameter-f *beforeunload-installed* nil)
(defparameter-f *disable-page-unload* nil)
(defun-f prevent-page-close ()
(if (not *beforeunload-installed*)
(progn
((jscl::oget
(jscl::%js-vref "self")
"addEventListener") "beforeunload"
(lambda (ev)
(if *disable-page-unload*
(progn
((jscl::oget ev "preventDefault"))
(setf (jscl::oget ev "returnValue") "")))))
(setf *beforeunload-installed* t)))
(setf *disable-page-unload* t)
nil)
(defparameter-f *youtube-js-loaded* nil)
(defun-f add-youtube-player (element &key onready onstatechange onqualitychange
onratechange onerror onapichange width height video-id)
(let ((cfg (make-js-object
:|events| (make-js-object
:|onReady| (lambda (ev)
(setf *youtube-js-loaded* t)
(if onready (funcall onready ev)))
:|onStateChange| (lambda (ev)
(if onstatechange (funcall onstatechange ev)))
:|onPlaybackQualityChange| (lambda (ev)
(if onqualitychange (funcall onqualitychange ev)))
:|onPlaybackRateChange| (lambda (ev)
(if onratechange (funcall onratechange ev)))
:|onError| (lambda (ev)
(if onerror (funcall onerror ev)))
:|onApiChange| (lambda (ev)
(if onapichange (funcall onapichange ev)))))))
(if width (setf (jscl::oget cfg "width") width))
(if height (setf (jscl::oget cfg "height") height))
(if video-id (setf (jscl::oget cfg "videoId") video-id))
(labels ((make-player ()
(jscl::make-new
(jscl::oget (jscl::%js-vref "YT") "Player")
element
cfg)))
(if (not *youtube-js-loaded*)
(progn
(make-js-function "onYouTubeIframeAPIReady"
(lambda ()
(jslog "YouTube API loaded")
(setf *youtube-js-loaded* t)
(make-player)))
(load-js-script "https://www.youtube.com/iframe_api"))
(make-player))))
nil)
(defparameter-f *hash-change-cbs* nil)
(defun-f register-hash-cb (hsh cb)
(labels ((mcb (&optional ev)
(let* ((hs (jscl::oget (jscl::%js-vref "location") "hash"))
(cb (assoc hs *hash-change-cbs* :test #'equal)))
(if cb (funcall (cdr cb))))))
(let ((need-mcb (not *hash-change-cbs*)))
(push (cons hsh cb) *hash-change-cbs*)
(if need-mcb
(progn
(setf (jscl::oget (jscl::%js-vref "self") "onhashchange")
#'mcb)
(mcb)))))
nil)
(defun-f gensym2 (&rest args)
(intern (symbol-name (apply #'gensym args))))
;; use:
;; (browser-case
;; (:safari (jslog "Safari detected!"))
;; ((:firefox :chrome) (jslog "FF or Chrome!"))
;; (:opera (jslog "Opera!"))
;; (:edge (jslog "Edge!")))
;; (t (jslog "Unknown browser!"))
(defmacro-f browser-case (&rest cod)
(let ((agent (gensym2))
(browser (gensym2)))
`(let* ((,agent (string-downcase (jscl::oget (jscl::%js-vref "navigator") "userAgent")))
(,browser (cond ((or (search "chrome" ,agent)
(search "chromium" ,agent)
(search "crios" ,agent))
:chrome)
((or (search "firefox" ,agent)
(search "fxios" ,agent))
:firefox)
((search "safari" ,agent)
:safari)
((search "opr" ,agent)
:opera)
((search "edg" ,agent)
:edge)
(t nil))))
(cond
,@(mapcar
(lambda (c)
`(,(if (listp (car c))
`(or ,@(mapcar
(lambda (s)
`(equal ,browser ,s))
(car c)))
(if (equal t (car c))
(car c)
`(equal ,browser ,(car c))))
,@(cdr c)))
cod)))))
(defparameter-f *style-cache* nil)
(defun-f add-style (el css-text)
(let* ((sid (assoc css-text *style-cache* :test #'equal))
(chrs "ABCDEFGHIJKLMOPQRSTUVWXYZ")
(clsid (if sid
(cdr sid)
(map 'string
(lambda (x)
(declare (ignore x))
(char chrs (jsfloor (* (jsrandom) (length chrs)))))
(make-string 8)))))
(if (not sid)
(progn
(append-element (create-element "style" :|innerHTML| (jscl::concat "." clsid css-text))
(jscl::oget (jscl::%js-vref "document") "head"))
(push (cons css-text clsid) *style-cache*)))
((jscl::oget el "classList" "add") clsid)))
(defparameter-f *notification-container* nil)
(defun-f element-on-page-p (el)
(or (equal el (jscl::%js-vref "document"))
(and (not (jscl::js-null-p el))
(element-on-page-p (jscl::oget el "parentNode")))))
(defparameter-f *global-observer-handlers* nil)
(defun-f on-element-remove (el cb)
(if (not *global-observer-handlers*)
(let ((obs (jscl::make-new (winref "MutationObserver")
(lambda (&rest args)
(let ((rems nil))
(map nil
(lambda (eh)
(if (not (element-on-page-p (car eh)))
(if (not (funcall (cdr eh) (car eh)))
(push eh rems))))
*global-observer-handlers*)
(setf *global-observer-handlers*
(remove-if
(lambda (x) (position x rems :test #'equal))
*global-observer-handlers*))
nil)))))
((jscl::oget obs "observe") (jscl::oget (jscl::%js-vref "document") "body") (make-js-object :|childList| t))))
(push (cons el cb) *global-observer-handlers*))
(defun-f show-notification (header body &key period check)
(let* ((frame (create-element "div" :|style.border| "1pt solid black"
:|style.position| "relative"
:|style.margin| "0.5em"
:|style.background| "white"
:|style.width| "15em"
:|style.borderRadius| "0.2em"
:|style.minHeight| "5em"
:|style.boxShadow| "0 0 1em grey"
:|style.right| 0
:|omgwidget| "notification"))
(head-line (create-element "div" :|style.left| 0
:|style.right| 0
:|style.top| 0
:|style.padding| "0.25em"
:|style.position| "relative"
:|style.font| (omgui::system-font)))
(close-btn (create-element "div" :|style.borderRadius| "0.2em"
:|style.background| "red"
:|style.right| "0.25em"
:|style.top| "0.25em"
:|style.width| "0.5em"
:|style.aspectRatio| 1
:|style.boxShadow| "0 0 0.5em grey"
:|style.cursor| "pointer"
:|style.position| "absolute"
:|title| "close"
:|onclick| (lambda (ev)
(remove-element frame))))
(body-cont (create-element "div" :|style.padding| "0.25em"
:|style.font| (omgui::system-font)))
(ncont (if *notification-container*
*notification-container*
(create-element "div" :|style.position| "absolute"
:|style.right| 0
:|style.top| 0))))
(if (not *notification-container*)
(progn
(setf *notification-container* ncont)
(append-element ncont)))
(append-element header head-line)
(append-element close-btn head-line)
(append-element head-line frame)
(append-element body body-cont)
(append-element body-cont frame)
(append-element frame ncont)
(if period
(on-element-remove frame
(lambda (el)
(if (or (not check) (funcall check))
(progn
(execute-after period
(lambda ()
(append-element frame ncont)))
t)
nil))))))
(defun-f find-widget (ev &optional type)
(labels ((get-wg (el)
(let ((w (jscl::oget el "omgwidget")))
(if (and w (or (not type) (equal w type)))
el
(let ((par (jscl::oget el "parentNode")))
(if (and par (not (jscl::js-null-p par)))
(get-wg par)))))))
(get-wg (jscl::oget ev "target"))))
(def-local-macro-f ensure-element (e &rest body)
(let ((fn (gensym))
(e1 (gensym)))
`(labels ((,fn ()
(let ((,e1 ,e))
(if (and ,e1 (> (jscl::oget ,e1 "clientWidth") 0))
(progn ,@body)
(execute-after 0.1 #',fn)))))
(,fn))))
(defparameter-f *global-event-handlers* nil)
(defun-f add-event-handler (path handler)
(let ((handlers (assoc path *global-event-handlers* :test #'equal)))
(if (not handlers)
(let* ((path-l (omgui::js-string-split path #\.))
(obj (omgui::deep-oget-1 (jscl::%js-vref "self") (butlast path-l))))
(setf (jscl::oget obj (car (last path-l)))
(lambda (ev)
(map nil
(lambda (cb) (funcall cb ev))
(cdr (assoc path *global-event-handlers* :test #'equal)))))
(push (cons path (list handler)) *global-event-handlers*))
(push handler (cdr handlers)))))
(defun-f rm-event-handler (path handler)
(setf *global-event-handlers*
(mapcar
(lambda (hnd)
(if (equal path (car hnd))
(cons path
(remove-if
(lambda (h)
(equal h handler))
(cdr hnd)))
hnd))
*global-event-handlers*)))
(defun-f make-tab-form (tab-list)
(let* ((tab-div (create-element "div" :|style.display| "flex"
:|style.position| "relative"))
(content (create-element "div" :|style.padding| "1em"
:|style.borderLeft| "1px solid gray"
:|style.borderRight| "1px solid gray"
:|style.borderBottom| "1px solid gray"))
(outer (create-element "div"
:append-element tab-div
:append-element content))
(tbs nil))
(map nil
(lambda (tab num)
(append-element
(let ((tb (create-element "div" :|style.borderTop| "1px solid gray"
:|style.borderLeft| "1px solid gray"
:|style.borderRight| "1px solid gray"
:|style.borderBottom| (if (= 0 num) "none" "1px solid gray")
:|style.background| (if (= 0 num) "#ffffff" "#f0f0f0")
:|style.paddingTop| "0.25em"
:|style.paddingBottom| "0.25em"
:|style.paddingLeft| "1em"
:|style.paddingRight| "1em"
:|style.borderRadius| "0.5em 0.5em 0 0"
:|style.display| "inline-block"
:append-element (create-element "a" :|href| "#"
:append-element (car tab)