better dropzone for extremely slow browsers

This commit is contained in:
ed 2021-11-28 00:11:21 +01:00
parent 8f031246d2
commit 38a163a09a

View file

@ -728,7 +728,6 @@ function up2k_init(subtle) {
if (++nenters <= 0)
nenters = 1;
//console.log(nenters, Date.now(), 'enter', this, e.target);
if (onover.bind(this)(e))
return true;
@ -750,6 +749,11 @@ function up2k_init(subtle) {
ebi('up_dz').setAttribute('err', mup || '');
ebi('srch_dz').setAttribute('err', msr || '');
}
function onoverb(e) {
// zones are alive; disable cuo2duo branch
document.body.ondragover = document.body.ondrop = null;
return onover.bind(this)(e);
}
function onover(e) {
try {
var ok = false, dt = e.dataTransfer.types;
@ -781,17 +785,20 @@ function up2k_init(subtle) {
clmod(ebi('drops'), 'vis');
clmod(ebi('up_dz'), 'hl');
clmod(ebi('srch_dz'), 'hl');
// cuo2duo:
document.body.ondragover = onover;
document.body.ondrop = gotfile;
}
//console.log(nenters, Date.now(), 'leave', this, e && e.target);
}
document.body.ondragenter = ondrag;
document.body.ondragleave = offdrag;
document.body.ondragover = onover;
document.body.ondrop = gotfile;
var drops = [ebi('up_dz'), ebi('srch_dz')];
for (var a = 0; a < 2; a++) {
drops[a].ondragenter = ondrag;
drops[a].ondragover = onover;
drops[a].ondragover = onoverb;
drops[a].ondragleave = offdrag;
drops[a].ondrop = gotfile;
}
@ -801,7 +808,10 @@ function up2k_init(subtle) {
ev(e);
nenters = 0;
offdrag.bind(this)();
var dz = (this && this.getAttribute('id'));
var dz = this && this.getAttribute('id');
if (!dz && e && e.clientY)
// cuo2duo fallback
dz = e.clientY < window.innerHeight / 2 ? 'up_dz' : 'srch_dz';
var err = this.getAttribute('err');
if (err)