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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
var InputWidgetHelper = {
_uiBusy: false,
handleEvent: function(aEvent) {
this.handleClick(aEvent.target);
},
handleClick: function(aTarget) {
// if we're busy looking at a InputWidget we want to eat any clicks that
// come to us, but not to process them
if (this._uiBusy || !this.hasInputWidget(aTarget) || this._isDisabledElement(aTarget))
return;
this._uiBusy = true;
this.show(aTarget);
this._uiBusy = false;
},
show: function(aElement) {
let type = aElement.getAttribute('type');
let p = new Prompt({
window: aElement.ownerDocument.defaultView,
title: Strings.browser.GetStringFromName("inputWidgetHelper." + aElement.getAttribute('type')),
buttons: [
Strings.browser.GetStringFromName("inputWidgetHelper.set"),
Strings.browser.GetStringFromName("inputWidgetHelper.clear"),
Strings.browser.GetStringFromName("inputWidgetHelper.cancel")
],
}).addDatePicker({
value: aElement.value,
type: type,
min: aElement.min,
max: aElement.max,
}).show((function(data) {
let changed = false;
if (data.button == -1) {
// This type is not supported with this android version.
return;
}
if (data.button == 1) {
// The user cleared the value.
if (aElement.value != "") {
aElement.value = "";
changed = true;
}
} else if (data.button == 0) {
// Commit the new value.
if (aElement.value != data[type]) {
aElement.value = data[type + "0"];
changed = true;
}
}
// Else the user canceled the input.
if (changed)
this.fireOnChange(aElement);
}).bind(this));
},
hasInputWidget: function(aElement) {
if (!(aElement instanceof HTMLInputElement))
return false;
let type = aElement.getAttribute('type');
if (type == "date" || type == "datetime" || type == "datetime-local" ||
type == "week" || type == "month" || type == "time") {
return true;
}
return false;
},
fireOnChange: function(aElement) {
let evt = aElement.ownerDocument.createEvent("Events");
evt.initEvent("change", true, true, aElement.defaultView, 0,
false, false,
false, false, null);
setTimeout(function() {
aElement.dispatchEvent(evt);
}, 0);
},
_isDisabledElement : function(aElement) {
let currentElement = aElement;
while (currentElement) {
if (currentElement.disabled)
return true;
currentElement = currentElement.parentElement;
}
return false;
}
};
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