mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
1027 lines
35 KiB
JavaScript
1027 lines
35 KiB
JavaScript
// -*- Mode: js2; tab-width: 2; indent-tabs-mode: nil; js2-basic-offset: 2; js2-skip-preprocessor-directives: t; -*-
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/*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Mobile Browser.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Mark Finkle <mfinkle@mozilla.com>
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* Matt Brubeck <mbrubeck@mozilla.com>
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* Vivien Nicolas <vnicolas@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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let Ci = Components.interfaces;
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let Cc = Components.classes;
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dump("###################################### forms.js loaded\n");
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let HTMLTextAreaElement = Ci.nsIDOMHTMLTextAreaElement;
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let HTMLInputElement = Ci.nsIDOMHTMLInputElement;
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let HTMLSelectElement = Ci.nsIDOMHTMLSelectElement;
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let HTMLIFrameElement = Ci.nsIDOMHTMLIFrameElement;
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let HTMLDocument = Ci.nsIDOMHTMLDocument;
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let HTMLHtmlElement = Ci.nsIDOMHTMLHtmlElement;
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let HTMLBodyElement = Ci.nsIDOMHTMLBodyElement;
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let HTMLLabelElement = Ci.nsIDOMHTMLLabelElement;
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let HTMLButtonElement = Ci.nsIDOMHTMLButtonElement;
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let HTMLOptGroupElement = Ci.nsIDOMHTMLOptGroupElement;
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let HTMLOptionElement = Ci.nsIDOMHTMLOptionElement;
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let XULMenuListElement = Ci.nsIDOMXULMenuListElement;
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/**
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* Responsible of navigation between forms fields and of the opening of the assistant
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*/
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function FormAssistant() {
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addMessageListener("FormAssist:Closed", this);
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addMessageListener("FormAssist:Previous", this);
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addMessageListener("FormAssist:Next", this);
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addMessageListener("FormAssist:ChoiceSelect", this);
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addMessageListener("FormAssist:ChoiceChange", this);
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addMessageListener("FormAssist:AutoComplete", this);
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addMessageListener("Content:SetWindowSize", this);
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/* Listen text events in order to update the autocomplete suggestions as soon
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* a key is entered on device
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*/
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addEventListener("text", this, false);
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addEventListener("keypress", this, true);
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addEventListener("keyup", this, false);
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addEventListener("focus", this, true);
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addEventListener("blur", this, true);
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addEventListener("pageshow", this, false);
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addEventListener("pagehide", this, false);
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addEventListener("submit", this, false);
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this._enabled = Services.prefs.prefHasUserValue("formhelper.enabled") ?
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Services.prefs.getBoolPref("formhelper.enabled") : false;
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};
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FormAssistant.prototype = {
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_selectWrapper: null,
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_currentIndex: -1,
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_elements: [],
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invalidSubmit: false,
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get currentElement() {
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return this._elements[this._currentIndex];
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},
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get currentIndex() {
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return this._currentIndex;
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},
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set currentIndex(aIndex) {
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let element = this._elements[aIndex];
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if (!element)
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return -1;
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if (this._isVisibleElement(element)) {
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this._currentIndex = aIndex;
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gFocusManager.setFocus(element, Ci.nsIFocusManager.FLAG_NOSCROLL);
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// To ensure we get the current caret positionning of the focused
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// element we need to delayed a bit the event
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this._executeDelayed(function(self) {
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// Bug 640870
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// Sometimes the element inner frame get destroyed while the element
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// receive the focus because the display is turned to 'none' for
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// example, in this "fun" case just do nothing if the element is hidden
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if (self._isVisibleElement(gFocusManager.focusedElement))
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sendAsyncMessage("FormAssist:Show", self._getJSON());
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});
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} else {
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// Repopulate the list of elements in the page, some could have gone
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// because of AJAX changes for example
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this._elements = [];
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let currentIndex = this._getAllElements(gFocusManager.focusedElement)
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if (aIndex < this._currentIndex)
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this.currentIndex = currentIndex - 1;
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else if (aIndex > this._currentIndex)
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this.currentIndex = currentIndex + 1;
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else if (this._currentIndex != currentIndex)
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this.currentIndex = currentIndex;
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}
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return element;
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},
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_open: false,
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open: function formHelperOpen(aElement, aX, aY) {
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// if the click is on an option element we want to check if the parent is a valid target
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if (aElement instanceof HTMLOptionElement && aElement.parentNode instanceof HTMLSelectElement && !aElement.disabled) {
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aElement = aElement.parentNode;
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}
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// bug 526045 - the form assistant will close if a click happen:
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// * outside of the scope of the form helper
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// * hover a button of type=[image|submit]
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// * hover a disabled element
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if (!this._isValidElement(aElement)) {
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let passiveButtons = { button: true, checkbox: true, file: true, radio: true, reset: true };
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if ((aElement instanceof HTMLInputElement || aElement instanceof HTMLButtonElement) &&
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passiveButtons[aElement.type] && !aElement.disabled)
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return false;
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// Check for plugins element
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if (aElement instanceof Ci.nsIDOMHTMLEmbedElement) {
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aX = aX || 0;
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aY = aY || 0;
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this._executeDelayed(function(self) {
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let utils = Util.getWindowUtils(aElement.ownerDocument.defaultView);
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if (utils.IMEStatus == utils.IME_STATUS_PLUGIN) {
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let jsvar = {
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current: {
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id: aElement.id,
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name: aElement.name,
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title: "plugin",
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value: null,
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maxLength: 0,
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type: (aElement.getAttribute("type") || "").toLowerCase(),
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choices: null,
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isAutocomplete: false,
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validationMessage: null,
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list: null,
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rect: getBoundingContentRect(aElement),
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caretRect: new Rect(aX, aY, 1, 10),
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editable: true
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},
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hasPrevious: false,
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hasNext: false
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};
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sendAsyncMessage("FormAssist:Show", jsvar);
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}
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});
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return false;
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}
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return this.close();
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}
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// Look for a top editable element
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if (this._isEditable(aElement))
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aElement = this._getTopLevelEditable(aElement);
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// Checking if the element is the current focused one while the form assistant is open
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// allow the user to reposition the caret into an input element
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if (this._open && aElement == this.currentElement) {
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//hack bug 604351
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// if the element is the same editable element and the VKB is closed, reopen it
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let utils = Util.getWindowUtils(content);
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if (utils.IMEStatus == utils.IME_STATUS_DISABLED && aElement instanceof HTMLInputElement && aElement.mozIsTextField(false)) {
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aElement.blur();
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aElement.focus();
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}
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// If the element is a <select/> element and the user has manually click
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// it we need to inform the UI of such a change to keep in sync with the
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// new selected options once the event is finished
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if (aElement instanceof HTMLSelectElement) {
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this._executeDelayed(function(self) {
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sendAsyncMessage("FormAssist:Show", self._getJSON());
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});
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}
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return false;
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}
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// There is some case where we still want some data to be send to the
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// parent process even if form assistant is disabled:
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// - the element is a choice list
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// - the element has autocomplete suggestions
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this._enabled = Services.prefs.getBoolPref("formhelper.enabled");
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if (!this._enabled && !this._isSelectElement(aElement) && !this._isAutocomplete(aElement))
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return this.close();
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if (this._enabled) {
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this._elements = [];
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this.currentIndex = this._getAllElements(aElement);
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}
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else {
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this._elements = [aElement];
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this.currentIndex = 0;
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}
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return this._open = true;
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},
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close: function close() {
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if (this._open) {
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this._currentIndex = -1;
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this._elements = [];
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sendAsyncMessage("FormAssist:Hide", { });
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this._open = false;
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}
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return this._open;
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},
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receiveMessage: function receiveMessage(aMessage) {
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let currentElement = this.currentElement;
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if ((!this._enabled && !this._isAutocomplete(currentElement) && !getWrapperForElement(currentElement)) || !currentElement)
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return;
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let json = aMessage.json;
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switch (aMessage.name) {
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case "FormAssist:Previous":
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this.currentIndex--;
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break;
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case "FormAssist:Next":
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this.currentIndex++;
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break;
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case "Content:SetWindowSize":
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// If the CSS viewport change just show the current element to the new
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// position
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sendAsyncMessage("FormAssist:Resize", this._getJSON());
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break;
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case "FormAssist:ChoiceSelect": {
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this._selectWrapper = getWrapperForElement(currentElement);
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this._selectWrapper.select(json.index, json.selected, json.clearAll);
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break;
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}
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case "FormAssist:ChoiceChange": {
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// ChoiceChange could happened once we have move to an other element or
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// to nothing, so we should keep the used wrapper in mind
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this._selectWrapper.fireOnChange();
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// New elements can be shown when a select is updated so we need to
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// reconstruct the inner elements array and to take care of possible
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// focus change, this is why we use "self.currentElement" instead of
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// using directly "currentElement".
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this._executeDelayed(function(self) {
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let currentElement = self.currentElement;
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if (!currentElement)
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return;
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self._elements = [];
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self._currentIndex = self._getAllElements(currentElement);
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});
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break;
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}
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case "FormAssist:AutoComplete": {
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try {
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currentElement = currentElement.QueryInterface(Ci.nsIDOMNSEditableElement);
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let imeEditor = currentElement.editor.QueryInterface(Ci.nsIEditorIMESupport);
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if (imeEditor.composing)
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imeEditor.forceCompositionEnd();
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}
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catch(e) {}
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currentElement.value = json.value;
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let event = currentElement.ownerDocument.createEvent("Events");
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event.initEvent("DOMAutoComplete", true, true);
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currentElement.dispatchEvent(event);
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break;
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}
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case "FormAssist:Closed":
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currentElement.blur();
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this._currentIndex = null;
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this._open = false;
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break;
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}
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},
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_els: Cc["@mozilla.org/eventlistenerservice;1"].getService(Ci.nsIEventListenerService),
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_hasKeyListener: function _hasKeyListener(aElement) {
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let els = this._els;
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let listeners = els.getListenerInfoFor(aElement, {});
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for (let i = 0; i < listeners.length; i++) {
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let listener = listeners[i];
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if (["keyup", "keydown", "keypress"].indexOf(listener.type) != -1
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&& !listener.inSystemEventGroup) {
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return true;
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}
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}
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return false;
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},
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focusSync: false,
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handleEvent: function formHelperHandleEvent(aEvent) {
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// focus changes should be taken into account only if the user has done a
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// manual operation like manually clicking
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let shouldIgnoreFocus = (aEvent.type == "focus" && !this._open && !this.focusSync);
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if ((!this._open && aEvent.type != "focus") || shouldIgnoreFocus)
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return;
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let currentElement = this.currentElement;
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switch (aEvent.type) {
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case "submit":
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// submit is a final action and the form assistant should be closed
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this.close();
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break;
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case "pagehide":
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case "pageshow":
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// When reacting to a page show/hide, if the focus is different this
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// could mean the web page has dramatically changed because of
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// an Ajax change based on fragment identifier
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if (gFocusManager.focusedElement != currentElement)
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this.close();
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break;
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case "focus":
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let focusedElement = gFocusManager.getFocusedElementForWindow(content, true, {}) || aEvent.target;
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// If a body element is editable and the body is the child of an
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// iframe we can assume this is an advanced HTML editor, so let's
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// redirect the form helper selection to the iframe element
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if (focusedElement && this._isEditable(focusedElement)) {
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let editableElement = this._getTopLevelEditable(focusedElement);
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if (this._isValidElement(editableElement)) {
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this._executeDelayed(function(self) {
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self.open(editableElement);
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});
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}
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return;
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}
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// if an element is focused while we're closed but the element can be handle
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// by the assistant, try to activate it (only during mouseup)
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if (!currentElement) {
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if (focusedElement && this._isValidElement(focusedElement)) {
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this._executeDelayed(function(self) {
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self.open(focusedElement);
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});
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}
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return;
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}
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let focusedIndex = this._getIndexForElement(focusedElement);
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if (focusedIndex != -1 && this.currentIndex != focusedIndex)
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this.currentIndex = focusedIndex;
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break;
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case "blur":
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content.setTimeout(function(self) {
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if (!self._open)
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return;
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// If the blurring causes focus be in no other element,
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// we should close the form assistant.
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let focusedElement = gFocusManager.getFocusedElementForWindow(content, true, {});
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if (!focusedElement)
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self.close();
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}, 0, this);
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break;
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case "text":
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if (this._isValidatable(aEvent.target))
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sendAsyncMessage("FormAssist:ValidationMessage", this._getJSON());
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if (this._isAutocomplete(aEvent.target))
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sendAsyncMessage("FormAssist:AutoComplete", this._getJSON());
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break;
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// key processing inside a select element are done during the keypress
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// handler, preventing this one to be fired cancel the selection change
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case "keypress":
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// There is no need to handle keys if there is not element currently
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// used by the form assistant
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if (!currentElement)
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return;
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let formExceptions = { button: true, checkbox: true, file: true, image: true, radio: true, reset: true, submit: true };
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if (this._isSelectElement(currentElement) || formExceptions[currentElement.type] ||
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currentElement instanceof HTMLButtonElement || (currentElement.getAttribute("role") == "button" && currentElement.hasAttribute("tabindex"))) {
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|
switch (aEvent.keyCode) {
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case aEvent.DOM_VK_RIGHT:
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this._executeDelayed(function(self) {
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self.currentIndex++;
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});
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aEvent.stopPropagation();
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aEvent.preventDefault();
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break;
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case aEvent.DOM_VK_LEFT:
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this._executeDelayed(function(self) {
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self.currentIndex--;
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});
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aEvent.stopPropagation();
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aEvent.preventDefault();
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break;
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}
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}
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break;
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case "keyup":
|
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// There is no need to handle keys if there is not element currently
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// used by the form assistant
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if (!currentElement)
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return;
|
|
|
|
switch (aEvent.keyCode) {
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case aEvent.DOM_VK_DOWN:
|
|
if (currentElement instanceof HTMLInputElement && !this._isAutocomplete(currentElement)) {
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if (this._hasKeyListener(currentElement))
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return;
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} else if (currentElement instanceof HTMLTextAreaElement) {
|
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let existSelection = currentElement.selectionEnd - currentElement.selectionStart;
|
|
let isEnd = (currentElement.textLength == currentElement.selectionEnd);
|
|
if (!isEnd || existSelection)
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|
return;
|
|
} else if (getListForElement(currentElement)) {
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this.currentIndex = this.currentIndex;
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return;
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}
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|
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this.currentIndex++;
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break;
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|
|
|
case aEvent.DOM_VK_UP:
|
|
if (currentElement instanceof HTMLInputElement && !this._isAutocomplete(currentElement)) {
|
|
if (this._hasKeyListener(currentElement))
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return;
|
|
} else if (currentElement instanceof HTMLTextAreaElement) {
|
|
let existSelection = currentElement.selectionEnd - currentElement.selectionStart;
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|
let isStart = (currentElement.selectionEnd == 0);
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|
if (!isStart || existSelection)
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|
return;
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|
} else if (this._isSelectElement(currentElement)) {
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this.currentIndex = this.currentIndex;
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return;
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}
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this.currentIndex--;
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break;
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|
|
case aEvent.DOM_VK_RETURN:
|
|
if (!this._isVisibleElement(currentElement))
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this.close();
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break;
|
|
|
|
case aEvent.DOM_VK_ESCAPE:
|
|
case aEvent.DOM_VK_TAB:
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break;
|
|
|
|
default:
|
|
if (this._isValidatable(aEvent.target))
|
|
sendAsyncMessage("FormAssist:ValidationMessage", this._getJSON());
|
|
|
|
if (this._isAutocomplete(aEvent.target))
|
|
sendAsyncMessage("FormAssist:AutoComplete", this._getJSON());
|
|
else if (currentElement && this._isSelectElement(currentElement))
|
|
this.currentIndex = this.currentIndex;
|
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break;
|
|
}
|
|
|
|
let caretRect = this._getCaretRect();
|
|
if (!caretRect.isEmpty())
|
|
sendAsyncMessage("FormAssist:Update", { caretRect: caretRect });
|
|
}
|
|
},
|
|
|
|
_executeDelayed: function formHelperExecuteSoon(aCallback) {
|
|
let self = this;
|
|
let timer = new Util.Timeout(function() {
|
|
aCallback(self);
|
|
});
|
|
timer.once(0);
|
|
},
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|
|
|
_filterEditables: function formHelperFilterEditables(aNodes) {
|
|
let result = [];
|
|
for (let i = 0; i < aNodes.length; i++) {
|
|
let node = aNodes[i];
|
|
|
|
// Avoid checking the top level editable element of each node
|
|
if (this._isEditable(node)) {
|
|
let editableElement = this._getTopLevelEditable(node);
|
|
if (result.indexOf(editableElement) == -1)
|
|
result.push(editableElement);
|
|
}
|
|
else {
|
|
result.push(node);
|
|
}
|
|
}
|
|
return result;
|
|
},
|
|
|
|
_isEditable: function formHelperIsEditable(aElement) {
|
|
let canEdit = false;
|
|
|
|
if (aElement.isContentEditable || aElement.designMode == "on") {
|
|
canEdit = true;
|
|
} else if (aElement instanceof HTMLIFrameElement && (aElement.contentDocument.body.isContentEditable || aElement.contentDocument.designMode == "on")) {
|
|
canEdit = true;
|
|
} else {
|
|
canEdit = aElement.ownerDocument && aElement.ownerDocument.designMode == "on";
|
|
}
|
|
|
|
return canEdit;
|
|
},
|
|
|
|
_getTopLevelEditable: function formHelperGetTopLevelEditable(aElement) {
|
|
if (!(aElement instanceof HTMLIFrameElement)) {
|
|
let element = aElement;
|
|
|
|
// Retrieve the top element that is editable
|
|
if (element instanceof HTMLHtmlElement)
|
|
element = element.ownerDocument.body;
|
|
else if (element instanceof HTMLDocument)
|
|
element = element.body;
|
|
|
|
while (element && !this._isEditable(element))
|
|
element = element.parentNode;
|
|
|
|
// Return the container frame if we are into a nested editable frame
|
|
if (element && element instanceof HTMLBodyElement && element.ownerDocument.defaultView != content.document.defaultView)
|
|
return element.ownerDocument.defaultView.frameElement;
|
|
}
|
|
|
|
return aElement;
|
|
},
|
|
|
|
_isValidatable: function(aElement) {
|
|
return this.invalidSubmit &&
|
|
(aElement instanceof HTMLInputElement ||
|
|
aElement instanceof HTMLTextAreaElement ||
|
|
aElement instanceof HTMLSelectElement ||
|
|
aElement instanceof HTMLButtonElement);
|
|
},
|
|
|
|
_isAutocomplete: function formHelperIsAutocomplete(aElement) {
|
|
if (aElement instanceof HTMLInputElement) {
|
|
if (aElement.getAttribute("type") == "password")
|
|
return false;
|
|
|
|
let autocomplete = aElement.getAttribute("autocomplete");
|
|
let allowedValues = ["off", "false", "disabled"];
|
|
if (allowedValues.indexOf(autocomplete) == -1)
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
},
|
|
|
|
/*
|
|
* This function is similar to getListSuggestions from
|
|
* components/satchel/src/nsInputListAutoComplete.js but sadly this one is
|
|
* used by the autocomplete.xml binding which is not in used in fennec
|
|
*/
|
|
_getListSuggestions: function formHelperGetListSuggestions(aElement) {
|
|
if (!(aElement instanceof HTMLInputElement) || !aElement.list)
|
|
return [];
|
|
|
|
let suggestions = [];
|
|
let filter = !aElement.hasAttribute("mozNoFilter");
|
|
let lowerFieldValue = aElement.value.toLowerCase();
|
|
|
|
let options = aElement.list.options;
|
|
let length = options.length;
|
|
for (let i = 0; i < length; i++) {
|
|
let item = options.item(i);
|
|
|
|
let label = item.value;
|
|
if (item.label)
|
|
label = item.label;
|
|
else if (item.text)
|
|
label = item.text;
|
|
|
|
if (filter && label.toLowerCase().indexOf(lowerFieldValue) == -1)
|
|
continue;
|
|
suggestions.push({ label: label, value: item.value });
|
|
}
|
|
|
|
return suggestions;
|
|
},
|
|
|
|
_isValidElement: function formHelperIsValidElement(aElement) {
|
|
if (!aElement.getAttribute)
|
|
return false;
|
|
|
|
let formExceptions = { button: true, checkbox: true, file: true, image: true, radio: true, reset: true, submit: true };
|
|
if (aElement instanceof HTMLInputElement && formExceptions[aElement.type])
|
|
return false;
|
|
|
|
if (aElement instanceof HTMLButtonElement ||
|
|
(aElement.getAttribute("role") == "button" && aElement.hasAttribute("tabindex")))
|
|
return false;
|
|
|
|
return this._isNavigableElement(aElement) && this._isVisibleElement(aElement);
|
|
},
|
|
|
|
_isNavigableElement: function formHelperIsNavigableElement(aElement) {
|
|
if (aElement.disabled || aElement.getAttribute("tabindex") == "-1")
|
|
return false;
|
|
|
|
if (aElement.getAttribute("role") == "button" && aElement.hasAttribute("tabindex"))
|
|
return true;
|
|
|
|
if (this._isSelectElement(aElement) || aElement instanceof HTMLTextAreaElement)
|
|
return true;
|
|
|
|
if (aElement instanceof HTMLInputElement || aElement instanceof HTMLButtonElement)
|
|
return !(aElement.type == "hidden");
|
|
|
|
return this._isEditable(aElement);
|
|
},
|
|
|
|
_isVisibleElement: function formHelperIsVisibleElement(aElement) {
|
|
let style = aElement ? aElement.ownerDocument.defaultView.getComputedStyle(aElement, null) : null;
|
|
if (!style)
|
|
return false;
|
|
|
|
let isVisible = (style.getPropertyValue("visibility") != "hidden");
|
|
let isOpaque = (style.getPropertyValue("opacity") != 0);
|
|
|
|
let rect = aElement.getBoundingClientRect();
|
|
|
|
// Since the only way to show a drop-down menu for a select when the form
|
|
// assistant is enabled is to return true here, a select is allowed to have
|
|
// an opacity to 0 in order to let web developpers add a custom design on
|
|
// top of it. This is less important to use the form assistant for the
|
|
// other types of fields because even if the form assistant won't fired,
|
|
// the focus will be in and a VKB will popup if needed
|
|
return isVisible && (isOpaque || this._isSelectElement(aElement)) && (rect.height != 0 || rect.width != 0);
|
|
},
|
|
|
|
_isSelectElement: function formHelperIsSelectElement(aElement) {
|
|
return (aElement instanceof HTMLSelectElement || aElement instanceof XULMenuListElement);
|
|
},
|
|
|
|
/** Caret is used to input text for this element. */
|
|
_getCaretRect: function _formHelperGetCaretRect() {
|
|
let element = this.currentElement;
|
|
let focusedElement = gFocusManager.getFocusedElementForWindow(content, true, {});
|
|
if (element && (element.mozIsTextField && element.mozIsTextField(false) ||
|
|
element instanceof HTMLTextAreaElement) && focusedElement == element && this._isVisibleElement(element)) {
|
|
let utils = Util.getWindowUtils(element.ownerDocument.defaultView);
|
|
let rect = utils.sendQueryContentEvent(utils.QUERY_CARET_RECT, element.selectionEnd, 0, 0, 0);
|
|
if (rect) {
|
|
let scroll = ContentScroll.getScrollOffset(element.ownerDocument.defaultView);
|
|
return new Rect(scroll.x + rect.left, scroll.y + rect.top, rect.width, rect.height);
|
|
}
|
|
}
|
|
|
|
return new Rect(0, 0, 0, 0);
|
|
},
|
|
|
|
/** Gets a rect bounding important parts of the element that must be seen when assisting. */
|
|
_getRect: function _formHelperGetRect() {
|
|
const kDistanceMax = 100;
|
|
let element = this.currentElement;
|
|
let elRect = getBoundingContentRect(element);
|
|
|
|
let labels = this._getLabels();
|
|
for (let i=0; i<labels.length; i++) {
|
|
let labelRect = labels[i].rect;
|
|
if (labelRect.left < elRect.left) {
|
|
let isClose = Math.abs(labelRect.left - elRect.left) - labelRect.width < kDistanceMax &&
|
|
Math.abs(labelRect.top - elRect.top) - labelRect.height < kDistanceMax;
|
|
if (isClose) {
|
|
let width = labelRect.width + elRect.width + (elRect.left - labelRect.left - labelRect.width);
|
|
return new Rect(labelRect.left, labelRect.top, width, elRect.height).expandToIntegers();
|
|
}
|
|
}
|
|
}
|
|
return elRect;
|
|
},
|
|
|
|
_getLabels: function formHelperGetLabels() {
|
|
let associatedLabels = [];
|
|
|
|
let element = this.currentElement;
|
|
let labels = element.ownerDocument.getElementsByTagName("label");
|
|
for (let i=0; i<labels.length; i++) {
|
|
let label = labels[i];
|
|
if ((label.control == element || label.getAttribute("for") == element.id) && this._isVisibleElement(label)) {
|
|
associatedLabels.push({
|
|
rect: getBoundingContentRect(label),
|
|
title: label.textContent
|
|
});
|
|
}
|
|
}
|
|
|
|
return associatedLabels;
|
|
},
|
|
|
|
_getAllElements: function getAllElements(aElement) {
|
|
// XXX good candidate for tracing if possible.
|
|
// The tough ones are lenght and isVisibleElement.
|
|
let document = aElement.ownerDocument;
|
|
if (!document)
|
|
return;
|
|
|
|
let documents = Util.getAllDocuments(document);
|
|
|
|
let elements = this._elements;
|
|
for (let i = 0; i < documents.length; i++) {
|
|
let selector = "input, button, select, textarea, [role=button], iframe, [contenteditable=true]";
|
|
let nodes = documents[i].querySelectorAll(selector);
|
|
nodes = this._filterRadioButtons(nodes);
|
|
|
|
for (let j = 0; j < nodes.length; j++) {
|
|
let node = nodes[j];
|
|
if (!this._isNavigableElement(node) || !this._isVisibleElement(node))
|
|
continue;
|
|
|
|
elements.push(node);
|
|
}
|
|
}
|
|
this._elements = this._filterEditables(elements);
|
|
|
|
function orderByTabIndex(a, b) {
|
|
// for an explanation on tabbing navigation see
|
|
// http://www.w3.org/TR/html401/interact/forms.html#h-17.11.1
|
|
// In resume tab index navigation order is 1, 2, 3, ..., 32767, 0
|
|
if (a.tabIndex == 0 || b.tabIndex == 0)
|
|
return b.tabIndex;
|
|
|
|
return a.tabIndex > b.tabIndex;
|
|
}
|
|
this._elements = this._elements.sort(orderByTabIndex);
|
|
|
|
// retrieve the correct index
|
|
let currentIndex = this._getIndexForElement(aElement);
|
|
return currentIndex;
|
|
},
|
|
|
|
_getIndexForElement: function(aElement) {
|
|
let currentIndex = -1;
|
|
let elements = this._elements;
|
|
for (let i = 0; i < elements.length; i++) {
|
|
if (elements[i] == aElement)
|
|
return i;
|
|
}
|
|
return -1;
|
|
},
|
|
|
|
_getJSON: function() {
|
|
let element = this.currentElement;
|
|
let choices = getListForElement(element);
|
|
let editable = (element instanceof HTMLInputElement && element.mozIsTextField(false)) || this._isEditable(element);
|
|
|
|
let labels = this._getLabels();
|
|
return {
|
|
current: {
|
|
id: element.id,
|
|
name: element.name,
|
|
title: labels.length ? labels[0].title : "",
|
|
value: element.value,
|
|
maxLength: element.maxLength,
|
|
type: (element.getAttribute("type") || "").toLowerCase(),
|
|
choices: choices,
|
|
isAutocomplete: this._isAutocomplete(element),
|
|
validationMessage: this.invalidSubmit ? element.validationMessage : null,
|
|
list: this._getListSuggestions(element),
|
|
rect: this._getRect(),
|
|
caretRect: this._getCaretRect(),
|
|
editable: editable
|
|
},
|
|
hasPrevious: !!this._elements[this._currentIndex - 1],
|
|
hasNext: !!this._elements[this._currentIndex + 1]
|
|
};
|
|
},
|
|
|
|
/**
|
|
* For each radio button group, remove all but the checked button
|
|
* if there is one, or the first button otherwise.
|
|
*/
|
|
_filterRadioButtons: function(aNodes) {
|
|
// First pass: Find the checked or first element in each group.
|
|
let chosenRadios = {};
|
|
for (let i=0; i < aNodes.length; i++) {
|
|
let node = aNodes[i];
|
|
if (node.type == "radio" && (!chosenRadios.hasOwnProperty(node.name) || node.checked))
|
|
chosenRadios[node.name] = node;
|
|
}
|
|
|
|
// Second pass: Exclude all other radio buttons from the list.
|
|
let result = [];
|
|
for (let i=0; i < aNodes.length; i++) {
|
|
let node = aNodes[i];
|
|
if (node.type == "radio" && chosenRadios[node.name] != node)
|
|
continue;
|
|
result.push(node);
|
|
}
|
|
return result;
|
|
}
|
|
};
|
|
|
|
|
|
/******************************************************************************
|
|
* The next classes wraps some forms elements such as different type of list to
|
|
* abstract the difference between html and xul element while manipulating them
|
|
* - SelectWrapper : <html:select>
|
|
* - MenulistWrapper : <xul:menulist>
|
|
*****************************************************************************/
|
|
|
|
function getWrapperForElement(aElement) {
|
|
let wrapper = null;
|
|
if (aElement instanceof HTMLSelectElement) {
|
|
wrapper = new SelectWrapper(aElement);
|
|
}
|
|
else if (aElement instanceof XULMenuListElement) {
|
|
wrapper = new MenulistWrapper(aElement);
|
|
}
|
|
|
|
return wrapper;
|
|
}
|
|
|
|
function getListForElement(aElement) {
|
|
let wrapper = getWrapperForElement(aElement);
|
|
if (!wrapper)
|
|
return null;
|
|
|
|
let optionIndex = 0;
|
|
let result = {
|
|
multiple: wrapper.getMultiple(),
|
|
choices: []
|
|
};
|
|
|
|
// Build up a flat JSON array of the choices. In HTML, it's possible for select element choices
|
|
// to be under a group header (but not recursively). We distinguish between headers and entries
|
|
// using the boolean "list.group".
|
|
// XXX If possible, this would be a great candidate for tracing.
|
|
let children = wrapper.getChildren();
|
|
for (let i = 0; i < children.length; i++) {
|
|
let child = children[i];
|
|
if (wrapper.isGroup(child)) {
|
|
// This is the group element. Add an entry in the choices that says that the following
|
|
// elements are a member of this group.
|
|
result.choices.push({ group: true,
|
|
text: child.label || child.firstChild.data,
|
|
disabled: child.disabled
|
|
});
|
|
let subchildren = child.children;
|
|
for (let j = 0; j < subchildren.length; j++) {
|
|
let subchild = subchildren[j];
|
|
result.choices.push({
|
|
group: false,
|
|
inGroup: true,
|
|
text: wrapper.getText(subchild),
|
|
disabled: child.disabled || subchild.disabled,
|
|
selected: subchild.selected,
|
|
optionIndex: optionIndex++
|
|
});
|
|
}
|
|
}
|
|
else if (wrapper.isOption(child)) {
|
|
// This is a regular choice under no group.
|
|
result.choices.push({
|
|
group: false,
|
|
inGroup: false,
|
|
text: wrapper.getText(child),
|
|
disabled: child.disabled,
|
|
selected: child.selected,
|
|
optionIndex: optionIndex++
|
|
});
|
|
}
|
|
}
|
|
|
|
return result;
|
|
};
|
|
|
|
|
|
function SelectWrapper(aControl) {
|
|
this._control = aControl;
|
|
}
|
|
|
|
SelectWrapper.prototype = {
|
|
getSelectedIndex: function() {
|
|
return this._control.selectedIndex;
|
|
},
|
|
|
|
getMultiple: function() {
|
|
return this._control.multiple;
|
|
},
|
|
|
|
getOptions: function() {
|
|
return this._control.options;
|
|
},
|
|
|
|
getChildren: function() {
|
|
return this._control.children;
|
|
},
|
|
|
|
getText: function(aChild) {
|
|
return aChild.text;
|
|
},
|
|
|
|
isOption: function(aChild) {
|
|
return aChild instanceof HTMLOptionElement;
|
|
},
|
|
|
|
isGroup: function(aChild) {
|
|
return aChild instanceof HTMLOptGroupElement;
|
|
},
|
|
|
|
select: function(aIndex, aSelected, aClearAll) {
|
|
let options = this._control.options;
|
|
options[aIndex].selected = aSelected;
|
|
|
|
if (aClearAll) {
|
|
for (let i = 0; i < options.length; i++) {
|
|
if (i != aIndex)
|
|
options.item(i).selected = false;
|
|
}
|
|
}
|
|
},
|
|
|
|
fireOnChange: function() {
|
|
let control = this._control;
|
|
let evt = this._control.ownerDocument.createEvent("Events");
|
|
evt.initEvent("change", true, true, this._control.ownerDocument.defaultView, 0,
|
|
false, false,
|
|
false, false, null);
|
|
content.setTimeout(function() {
|
|
control.dispatchEvent(evt);
|
|
}, 0);
|
|
}
|
|
};
|
|
|
|
|
|
// bug 559792
|
|
// Use wrappedJSObject when control is in content for extra protection
|
|
function MenulistWrapper(aControl) {
|
|
this._control = aControl;
|
|
}
|
|
|
|
MenulistWrapper.prototype = {
|
|
getSelectedIndex: function() {
|
|
let control = this._control.wrappedJSObject || this._control;
|
|
let result = control.selectedIndex;
|
|
return ((typeof result == "number" && !isNaN(result)) ? result : -1);
|
|
},
|
|
|
|
getMultiple: function() {
|
|
return false;
|
|
},
|
|
|
|
getOptions: function() {
|
|
let control = this._control.wrappedJSObject || this._control;
|
|
return control.menupopup.children;
|
|
},
|
|
|
|
getChildren: function() {
|
|
let control = this._control.wrappedJSObject || this._control;
|
|
return control.menupopup.children;
|
|
},
|
|
|
|
getText: function(aChild) {
|
|
return aChild.label;
|
|
},
|
|
|
|
isOption: function(aChild) {
|
|
return aChild instanceof Ci.nsIDOMXULSelectControlItemElement;
|
|
},
|
|
|
|
isGroup: function(aChild) {
|
|
return false;
|
|
},
|
|
|
|
select: function(aIndex, aSelected, aClearAll) {
|
|
let control = this._control.wrappedJSObject || this._control;
|
|
control.selectedIndex = aIndex;
|
|
},
|
|
|
|
fireOnChange: function() {
|
|
let control = this._control;
|
|
let evt = document.createEvent("XULCommandEvent");
|
|
evt.initCommandEvent("command", true, true, window, 0,
|
|
false, false,
|
|
false, false, null);
|
|
content.setTimeout(function() {
|
|
control.dispatchEvent(evt);
|
|
}, 0);
|
|
}
|
|
};
|
|
|