mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
bd5d0508d8
--HG-- extra : rebase_source : ab1014d247556d65dceb8c9da45a894ee5266ed4
171 lines
5.0 KiB
JavaScript
171 lines
5.0 KiB
JavaScript
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- /
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/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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let Ci = Components.interfaces;
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let Cc = Components.classes;
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let Cu = Components.utils;
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Cu.import("resource://gre/modules/Services.jsm");
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dump("###################################### forms.js loaded\n");
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let HTMLInputElement = Ci.nsIDOMHTMLInputElement;
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let HTMLTextAreaElement = Ci.nsIDOMHTMLTextAreaElement;
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let HTMLSelectElement = Ci.nsIDOMHTMLSelectElement;
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let HTMLOptGroupElement = Ci.nsIDOMHTMLOptGroupElement;
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let HTMLOptionElement = Ci.nsIDOMHTMLOptionElement;
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let FormAssistant = {
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init: function fa_init() {
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addEventListener("click", this, true, false);
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addEventListener("blur", this, true, false);
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addMessageListener("Forms:Select:Choice", this);
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addMessageListener("Forms:Input:Value", this);
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Services.obs.addObserver(this, "xpcom-shutdown", false);
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},
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currentTarget: null,
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handleEvent: function fa_handleEvent(evt) {
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switch (evt.type) {
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case "click": {
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let target =
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Services.fm.getFocusedElementForWindow(content, true, {}) ||
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evt.target;
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content.setTimeout(function(self) {
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if (target instanceof HTMLSelectElement) {
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sendAsyncMessage("Forms:Input", self._getJSON(target));
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self.currentTarget = target;
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} else if (target instanceof HTMLOptionElement &&
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target.parentNode instanceof HTMLSelectElement) {
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target = target.parentNode;
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sendAsyncMessage("Forms:Input", self._getJSON(target));
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self.currentTarget = target;
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} else if (target instanceof HTMLInputElement ||
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target instanceof HTMLTextAreaElement) {
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sendAsyncMessage("Forms:Input", self._getJSON(target));
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self.currentTarget = target;
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}
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}, 0, this);
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break;
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}
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case "blur": {
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let target = this.currentTarget;
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if (!target)
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return;
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this.currentTarget = null;
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sendAsyncMessage("Forms:Input", { "type": "blur" });
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let e = target.ownerDocument.createEvent("Events");
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e.initEvent("change", true, true, target.ownerDocument.defaultView,
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0, false, false, false, false, null);
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content.setTimeout(function() {
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target.dispatchEvent(evt);
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}, 0);
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break;
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}
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}
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},
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receiveMessage: function fa_receiveMessage(msg) {
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let target = this.currentTarget;
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if (!target)
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return;
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let json = msg.json;
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switch (msg.name) {
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case "Forms:Input:Value":
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target.value = json.value;
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break;
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case "Forms:Select:Choice":
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let options = target.options;
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if ("index" in json) {
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options.item(json.index).selected = true;
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} else if ("indexes" in json) {
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for (let i = 0; i < options.length; i++) {
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options.item(i).selected = (json.indexes.indexOf(i) != -1);
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}
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}
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break;
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}
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},
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observe: function fa_observe(subject, topic, data) {
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Services.obs.removeObserver(this, "xpcom-shutdown");
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removeMessageListener("Forms:Select:Choice", this);
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},
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_getJSON: function fa_getJSON(element) {
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let choices = getListForElement(element);
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return {
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type: element.type.toLowerCase(),
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choices: choices
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};
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}
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};
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FormAssistant.init();
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function getListForElement(element) {
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if (!(element instanceof HTMLSelectElement))
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return null;
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let optionIndex = 0;
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let result = {
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"multiple": element.multiple,
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"choices": []
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};
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// Build up a flat JSON array of the choices.
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// In HTML, it's possible for select element choices to be under a
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// group header (but not recursively). We distinguish between headers
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// and entries using the boolean "list.group".
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let children = element.children;
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for (let i = 0; i < children.length; i++) {
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let child = children[i];
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if (child instanceof HTMLOptGroupElement) {
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result.choices.push({
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"group": true,
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"text": child.label || child.firstChild.data,
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"disabled": child.disabled
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});
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let subchildren = child.children;
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for (let j = 0; j < subchildren.length; j++) {
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let subchild = subchildren[j];
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result.choices.push({
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"group": false,
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"inGroup": true,
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"text": subchild.text,
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"disabled": child.disabled || subchild.disabled,
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"selected": subchild.selected,
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"optionIndex": optionIndex++
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});
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}
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} else if (child instanceof HTMLOptionElement) {
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result.choices.push({
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"group": false,
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"inGroup": false,
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"text": child.text,
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"disabled": child.disabled,
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"selected": child.selected,
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"optionIndex": optionIndex++
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});
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}
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}
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return result;
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};
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