| Index: third_party/google_input_tools/third_party/closure_library/closure/goog/dom/dom.js
|
| diff --git a/third_party/google_input_tools/third_party/closure_library/closure/goog/dom/dom.js b/third_party/google_input_tools/third_party/closure_library/closure/goog/dom/dom.js
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..1cb0dcad8f3a895c6a16c974c9a13587d1046a61
|
| --- /dev/null
|
| +++ b/third_party/google_input_tools/third_party/closure_library/closure/goog/dom/dom.js
|
| @@ -0,0 +1,2917 @@
|
| +// Copyright 2006 The Closure Library Authors. All Rights Reserved.
|
| +//
|
| +// Licensed under the Apache License, Version 2.0 (the "License");
|
| +// you may not use this file except in compliance with the License.
|
| +// You may obtain a copy of the License at
|
| +//
|
| +// http://www.apache.org/licenses/LICENSE-2.0
|
| +//
|
| +// Unless required by applicable law or agreed to in writing, software
|
| +// distributed under the License is distributed on an "AS-IS" BASIS,
|
| +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| +// See the License for the specific language governing permissions and
|
| +// limitations under the License.
|
| +
|
| +/**
|
| + * @fileoverview Utilities for manipulating the browser's Document Object Model
|
| + * Inspiration taken *heavily* from mochikit (http://mochikit.com/).
|
| + *
|
| + * You can use {@link goog.dom.DomHelper} to create new dom helpers that refer
|
| + * to a different document object. This is useful if you are working with
|
| + * frames or multiple windows.
|
| + *
|
| + */
|
| +
|
| +
|
| +// TODO(arv): Rename/refactor getTextContent and getRawTextContent. The problem
|
| +// is that getTextContent should mimic the DOM3 textContent. We should add a
|
| +// getInnerText (or getText) which tries to return the visible text, innerText.
|
| +
|
| +
|
| +goog.provide('goog.dom');
|
| +goog.provide('goog.dom.Appendable');
|
| +goog.provide('goog.dom.DomHelper');
|
| +
|
| +goog.require('goog.array');
|
| +goog.require('goog.asserts');
|
| +goog.require('goog.dom.BrowserFeature');
|
| +goog.require('goog.dom.NodeType');
|
| +goog.require('goog.dom.TagName');
|
| +goog.require('goog.functions');
|
| +goog.require('goog.math.Coordinate');
|
| +goog.require('goog.math.Size');
|
| +goog.require('goog.object');
|
| +goog.require('goog.string');
|
| +goog.require('goog.userAgent');
|
| +
|
| +
|
| +/**
|
| + * @define {boolean} Whether we know at compile time that the browser is in
|
| + * quirks mode.
|
| + */
|
| +goog.define('goog.dom.ASSUME_QUIRKS_MODE', false);
|
| +
|
| +
|
| +/**
|
| + * @define {boolean} Whether we know at compile time that the browser is in
|
| + * standards compliance mode.
|
| + */
|
| +goog.define('goog.dom.ASSUME_STANDARDS_MODE', false);
|
| +
|
| +
|
| +/**
|
| + * Whether we know the compatibility mode at compile time.
|
| + * @type {boolean}
|
| + * @private
|
| + */
|
| +goog.dom.COMPAT_MODE_KNOWN_ =
|
| + goog.dom.ASSUME_QUIRKS_MODE || goog.dom.ASSUME_STANDARDS_MODE;
|
| +
|
| +
|
| +/**
|
| + * Gets the DomHelper object for the document where the element resides.
|
| + * @param {(Node|Window)=} opt_element If present, gets the DomHelper for this
|
| + * element.
|
| + * @return {!goog.dom.DomHelper} The DomHelper.
|
| + */
|
| +goog.dom.getDomHelper = function(opt_element) {
|
| + return opt_element ?
|
| + new goog.dom.DomHelper(goog.dom.getOwnerDocument(opt_element)) :
|
| + (goog.dom.defaultDomHelper_ ||
|
| + (goog.dom.defaultDomHelper_ = new goog.dom.DomHelper()));
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Cached default DOM helper.
|
| + * @type {goog.dom.DomHelper}
|
| + * @private
|
| + */
|
| +goog.dom.defaultDomHelper_;
|
| +
|
| +
|
| +/**
|
| + * Gets the document object being used by the dom library.
|
| + * @return {!Document} Document object.
|
| + */
|
| +goog.dom.getDocument = function() {
|
| + return document;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Gets an element from the current document by element id.
|
| + *
|
| + * If an Element is passed in, it is returned.
|
| + *
|
| + * @param {string|Element} element Element ID or a DOM node.
|
| + * @return {Element} The element with the given ID, or the node passed in.
|
| + */
|
| +goog.dom.getElement = function(element) {
|
| + return goog.dom.getElementHelper_(document, element);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Gets an element by id from the given document (if present).
|
| + * If an element is given, it is returned.
|
| + * @param {!Document} doc
|
| + * @param {string|Element} element Element ID or a DOM node.
|
| + * @return {Element} The resulting element.
|
| + * @private
|
| + */
|
| +goog.dom.getElementHelper_ = function(doc, element) {
|
| + return goog.isString(element) ?
|
| + doc.getElementById(element) :
|
| + element;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Gets an element by id, asserting that the element is found.
|
| + *
|
| + * This is used when an element is expected to exist, and should fail with
|
| + * an assertion error if it does not (if assertions are enabled).
|
| + *
|
| + * @param {string} id Element ID.
|
| + * @return {!Element} The element with the given ID, if it exists.
|
| + */
|
| +goog.dom.getRequiredElement = function(id) {
|
| + return goog.dom.getRequiredElementHelper_(document, id);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Helper function for getRequiredElementHelper functions, both static and
|
| + * on DomHelper. Asserts the element with the given id exists.
|
| + * @param {!Document} doc
|
| + * @param {string} id
|
| + * @return {!Element} The element with the given ID, if it exists.
|
| + * @private
|
| + */
|
| +goog.dom.getRequiredElementHelper_ = function(doc, id) {
|
| + // To prevent users passing in Elements as is permitted in getElement().
|
| + goog.asserts.assertString(id);
|
| + var element = goog.dom.getElementHelper_(doc, id);
|
| + element = goog.asserts.assertElement(element,
|
| + 'No element found with id: ' + id);
|
| + return element;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Alias for getElement.
|
| + * @param {string|Element} element Element ID or a DOM node.
|
| + * @return {Element} The element with the given ID, or the node passed in.
|
| + * @deprecated Use {@link goog.dom.getElement} instead.
|
| + */
|
| +goog.dom.$ = goog.dom.getElement;
|
| +
|
| +
|
| +/**
|
| + * Looks up elements by both tag and class name, using browser native functions
|
| + * ({@code querySelectorAll}, {@code getElementsByTagName} or
|
| + * {@code getElementsByClassName}) where possible. This function
|
| + * is a useful, if limited, way of collecting a list of DOM elements
|
| + * with certain characteristics. {@code goog.dom.query} offers a
|
| + * more powerful and general solution which allows matching on CSS3
|
| + * selector expressions, but at increased cost in code size. If all you
|
| + * need is particular tags belonging to a single class, this function
|
| + * is fast and sleek.
|
| + *
|
| + * Note that tag names are case sensitive in the SVG namespace, and this
|
| + * function converts opt_tag to uppercase for comparisons. For queries in the
|
| + * SVG namespace you should use querySelector or querySelectorAll instead.
|
| + * https://bugzilla.mozilla.org/show_bug.cgi?id=963870
|
| + * https://bugs.webkit.org/show_bug.cgi?id=83438
|
| + *
|
| + * @see {goog.dom.query}
|
| + *
|
| + * @param {?string=} opt_tag Element tag name.
|
| + * @param {?string=} opt_class Optional class name.
|
| + * @param {(Document|Element)=} opt_el Optional element to look in.
|
| + * @return { {length: number} } Array-like list of elements (only a length
|
| + * property and numerical indices are guaranteed to exist).
|
| + */
|
| +goog.dom.getElementsByTagNameAndClass = function(opt_tag, opt_class, opt_el) {
|
| + return goog.dom.getElementsByTagNameAndClass_(document, opt_tag, opt_class,
|
| + opt_el);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns a static, array-like list of the elements with the provided
|
| + * className.
|
| + * @see {goog.dom.query}
|
| + * @param {string} className the name of the class to look for.
|
| + * @param {(Document|Element)=} opt_el Optional element to look in.
|
| + * @return { {length: number} } The items found with the class name provided.
|
| + */
|
| +goog.dom.getElementsByClass = function(className, opt_el) {
|
| + var parent = opt_el || document;
|
| + if (goog.dom.canUseQuerySelector_(parent)) {
|
| + return parent.querySelectorAll('.' + className);
|
| + }
|
| + return goog.dom.getElementsByTagNameAndClass_(
|
| + document, '*', className, opt_el);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns the first element with the provided className.
|
| + * @see {goog.dom.query}
|
| + * @param {string} className the name of the class to look for.
|
| + * @param {Element|Document=} opt_el Optional element to look in.
|
| + * @return {Element} The first item with the class name provided.
|
| + */
|
| +goog.dom.getElementByClass = function(className, opt_el) {
|
| + var parent = opt_el || document;
|
| + var retVal = null;
|
| + if (goog.dom.canUseQuerySelector_(parent)) {
|
| + retVal = parent.querySelector('.' + className);
|
| + } else {
|
| + retVal = goog.dom.getElementsByTagNameAndClass_(
|
| + document, '*', className, opt_el)[0];
|
| + }
|
| + return retVal || null;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Ensures an element with the given className exists, and then returns the
|
| + * first element with the provided className.
|
| + * @see {goog.dom.query}
|
| + * @param {string} className the name of the class to look for.
|
| + * @param {!Element|!Document=} opt_root Optional element or document to look
|
| + * in.
|
| + * @return {!Element} The first item with the class name provided.
|
| + * @throws {goog.asserts.AssertionError} Thrown if no element is found.
|
| + */
|
| +goog.dom.getRequiredElementByClass = function(className, opt_root) {
|
| + var retValue = goog.dom.getElementByClass(className, opt_root);
|
| + return goog.asserts.assert(retValue,
|
| + 'No element found with className: ' + className);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Prefer the standardized (http://www.w3.org/TR/selectors-api/), native and
|
| + * fast W3C Selectors API.
|
| + * @param {!(Element|Document)} parent The parent document object.
|
| + * @return {boolean} whether or not we can use parent.querySelector* APIs.
|
| + * @private
|
| + */
|
| +goog.dom.canUseQuerySelector_ = function(parent) {
|
| + return !!(parent.querySelectorAll && parent.querySelector);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Helper for {@code getElementsByTagNameAndClass}.
|
| + * @param {!Document} doc The document to get the elements in.
|
| + * @param {?string=} opt_tag Element tag name.
|
| + * @param {?string=} opt_class Optional class name.
|
| + * @param {(Document|Element)=} opt_el Optional element to look in.
|
| + * @return { {length: number} } Array-like list of elements (only a length
|
| + * property and numerical indices are guaranteed to exist).
|
| + * @private
|
| + */
|
| +goog.dom.getElementsByTagNameAndClass_ = function(doc, opt_tag, opt_class,
|
| + opt_el) {
|
| + var parent = opt_el || doc;
|
| + var tagName = (opt_tag && opt_tag != '*') ? opt_tag.toUpperCase() : '';
|
| +
|
| + if (goog.dom.canUseQuerySelector_(parent) &&
|
| + (tagName || opt_class)) {
|
| + var query = tagName + (opt_class ? '.' + opt_class : '');
|
| + return parent.querySelectorAll(query);
|
| + }
|
| +
|
| + // Use the native getElementsByClassName if available, under the assumption
|
| + // that even when the tag name is specified, there will be fewer elements to
|
| + // filter through when going by class than by tag name
|
| + if (opt_class && parent.getElementsByClassName) {
|
| + var els = parent.getElementsByClassName(opt_class);
|
| +
|
| + if (tagName) {
|
| + var arrayLike = {};
|
| + var len = 0;
|
| +
|
| + // Filter for specific tags if requested.
|
| + for (var i = 0, el; el = els[i]; i++) {
|
| + if (tagName == el.nodeName) {
|
| + arrayLike[len++] = el;
|
| + }
|
| + }
|
| + arrayLike.length = len;
|
| +
|
| + return arrayLike;
|
| + } else {
|
| + return els;
|
| + }
|
| + }
|
| +
|
| + var els = parent.getElementsByTagName(tagName || '*');
|
| +
|
| + if (opt_class) {
|
| + var arrayLike = {};
|
| + var len = 0;
|
| + for (var i = 0, el; el = els[i]; i++) {
|
| + var className = el.className;
|
| + // Check if className has a split function since SVG className does not.
|
| + if (typeof className.split == 'function' &&
|
| + goog.array.contains(className.split(/\s+/), opt_class)) {
|
| + arrayLike[len++] = el;
|
| + }
|
| + }
|
| + arrayLike.length = len;
|
| + return arrayLike;
|
| + } else {
|
| + return els;
|
| + }
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Alias for {@code getElementsByTagNameAndClass}.
|
| + * @param {?string=} opt_tag Element tag name.
|
| + * @param {?string=} opt_class Optional class name.
|
| + * @param {Element=} opt_el Optional element to look in.
|
| + * @return { {length: number} } Array-like list of elements (only a length
|
| + * property and numerical indices are guaranteed to exist).
|
| + * @deprecated Use {@link goog.dom.getElementsByTagNameAndClass} instead.
|
| + */
|
| +goog.dom.$$ = goog.dom.getElementsByTagNameAndClass;
|
| +
|
| +
|
| +/**
|
| + * Sets multiple properties on a node.
|
| + * @param {Element} element DOM node to set properties on.
|
| + * @param {Object} properties Hash of property:value pairs.
|
| + */
|
| +goog.dom.setProperties = function(element, properties) {
|
| + goog.object.forEach(properties, function(val, key) {
|
| + if (key == 'style') {
|
| + element.style.cssText = val;
|
| + } else if (key == 'class') {
|
| + element.className = val;
|
| + } else if (key == 'for') {
|
| + element.htmlFor = val;
|
| + } else if (key in goog.dom.DIRECT_ATTRIBUTE_MAP_) {
|
| + element.setAttribute(goog.dom.DIRECT_ATTRIBUTE_MAP_[key], val);
|
| + } else if (goog.string.startsWith(key, 'aria-') ||
|
| + goog.string.startsWith(key, 'data-')) {
|
| + element.setAttribute(key, val);
|
| + } else {
|
| + element[key] = val;
|
| + }
|
| + });
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Map of attributes that should be set using
|
| + * element.setAttribute(key, val) instead of element[key] = val. Used
|
| + * by goog.dom.setProperties.
|
| + *
|
| + * @type {Object}
|
| + * @private
|
| + */
|
| +goog.dom.DIRECT_ATTRIBUTE_MAP_ = {
|
| + 'cellpadding': 'cellPadding',
|
| + 'cellspacing': 'cellSpacing',
|
| + 'colspan': 'colSpan',
|
| + 'frameborder': 'frameBorder',
|
| + 'height': 'height',
|
| + 'maxlength': 'maxLength',
|
| + 'role': 'role',
|
| + 'rowspan': 'rowSpan',
|
| + 'type': 'type',
|
| + 'usemap': 'useMap',
|
| + 'valign': 'vAlign',
|
| + 'width': 'width'
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Gets the dimensions of the viewport.
|
| + *
|
| + * Gecko Standards mode:
|
| + * docEl.clientWidth Width of viewport excluding scrollbar.
|
| + * win.innerWidth Width of viewport including scrollbar.
|
| + * body.clientWidth Width of body element.
|
| + *
|
| + * docEl.clientHeight Height of viewport excluding scrollbar.
|
| + * win.innerHeight Height of viewport including scrollbar.
|
| + * body.clientHeight Height of document.
|
| + *
|
| + * Gecko Backwards compatible mode:
|
| + * docEl.clientWidth Width of viewport excluding scrollbar.
|
| + * win.innerWidth Width of viewport including scrollbar.
|
| + * body.clientWidth Width of viewport excluding scrollbar.
|
| + *
|
| + * docEl.clientHeight Height of document.
|
| + * win.innerHeight Height of viewport including scrollbar.
|
| + * body.clientHeight Height of viewport excluding scrollbar.
|
| + *
|
| + * IE6/7 Standards mode:
|
| + * docEl.clientWidth Width of viewport excluding scrollbar.
|
| + * win.innerWidth Undefined.
|
| + * body.clientWidth Width of body element.
|
| + *
|
| + * docEl.clientHeight Height of viewport excluding scrollbar.
|
| + * win.innerHeight Undefined.
|
| + * body.clientHeight Height of document element.
|
| + *
|
| + * IE5 + IE6/7 Backwards compatible mode:
|
| + * docEl.clientWidth 0.
|
| + * win.innerWidth Undefined.
|
| + * body.clientWidth Width of viewport excluding scrollbar.
|
| + *
|
| + * docEl.clientHeight 0.
|
| + * win.innerHeight Undefined.
|
| + * body.clientHeight Height of viewport excluding scrollbar.
|
| + *
|
| + * Opera 9 Standards and backwards compatible mode:
|
| + * docEl.clientWidth Width of viewport excluding scrollbar.
|
| + * win.innerWidth Width of viewport including scrollbar.
|
| + * body.clientWidth Width of viewport excluding scrollbar.
|
| + *
|
| + * docEl.clientHeight Height of document.
|
| + * win.innerHeight Height of viewport including scrollbar.
|
| + * body.clientHeight Height of viewport excluding scrollbar.
|
| + *
|
| + * WebKit:
|
| + * Safari 2
|
| + * docEl.clientHeight Same as scrollHeight.
|
| + * docEl.clientWidth Same as innerWidth.
|
| + * win.innerWidth Width of viewport excluding scrollbar.
|
| + * win.innerHeight Height of the viewport including scrollbar.
|
| + * frame.innerHeight Height of the viewport exluding scrollbar.
|
| + *
|
| + * Safari 3 (tested in 522)
|
| + *
|
| + * docEl.clientWidth Width of viewport excluding scrollbar.
|
| + * docEl.clientHeight Height of viewport excluding scrollbar in strict mode.
|
| + * body.clientHeight Height of viewport excluding scrollbar in quirks mode.
|
| + *
|
| + * @param {Window=} opt_window Optional window element to test.
|
| + * @return {!goog.math.Size} Object with values 'width' and 'height'.
|
| + */
|
| +goog.dom.getViewportSize = function(opt_window) {
|
| + // TODO(arv): This should not take an argument
|
| + return goog.dom.getViewportSize_(opt_window || window);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Helper for {@code getViewportSize}.
|
| + * @param {Window} win The window to get the view port size for.
|
| + * @return {!goog.math.Size} Object with values 'width' and 'height'.
|
| + * @private
|
| + */
|
| +goog.dom.getViewportSize_ = function(win) {
|
| + var doc = win.document;
|
| + var el = goog.dom.isCss1CompatMode_(doc) ? doc.documentElement : doc.body;
|
| + return new goog.math.Size(el.clientWidth, el.clientHeight);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Calculates the height of the document.
|
| + *
|
| + * @return {number} The height of the current document.
|
| + */
|
| +goog.dom.getDocumentHeight = function() {
|
| + return goog.dom.getDocumentHeight_(window);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Calculates the height of the document of the given window.
|
| + *
|
| + * Function code copied from the opensocial gadget api:
|
| + * gadgets.window.adjustHeight(opt_height)
|
| + *
|
| + * @private
|
| + * @param {Window} win The window whose document height to retrieve.
|
| + * @return {number} The height of the document of the given window.
|
| + */
|
| +goog.dom.getDocumentHeight_ = function(win) {
|
| + // NOTE(eae): This method will return the window size rather than the document
|
| + // size in webkit quirks mode.
|
| + var doc = win.document;
|
| + var height = 0;
|
| +
|
| + if (doc) {
|
| + // Calculating inner content height is hard and different between
|
| + // browsers rendering in Strict vs. Quirks mode. We use a combination of
|
| + // three properties within document.body and document.documentElement:
|
| + // - scrollHeight
|
| + // - offsetHeight
|
| + // - clientHeight
|
| + // These values differ significantly between browsers and rendering modes.
|
| + // But there are patterns. It just takes a lot of time and persistence
|
| + // to figure out.
|
| +
|
| + // If the window has no contents, it has no height. (In IE10,
|
| + // document.body & document.documentElement are null in an empty iFrame.)
|
| + var body = doc.body;
|
| + var docEl = doc.documentElement;
|
| + if (!body && !docEl) {
|
| + return 0;
|
| + }
|
| +
|
| + // Get the height of the viewport
|
| + var vh = goog.dom.getViewportSize_(win).height;
|
| + if (goog.dom.isCss1CompatMode_(doc) && docEl.scrollHeight) {
|
| + // In Strict mode:
|
| + // The inner content height is contained in either:
|
| + // document.documentElement.scrollHeight
|
| + // document.documentElement.offsetHeight
|
| + // Based on studying the values output by different browsers,
|
| + // use the value that's NOT equal to the viewport height found above.
|
| + height = docEl.scrollHeight != vh ?
|
| + docEl.scrollHeight : docEl.offsetHeight;
|
| + } else {
|
| + // In Quirks mode:
|
| + // documentElement.clientHeight is equal to documentElement.offsetHeight
|
| + // except in IE. In most browsers, document.documentElement can be used
|
| + // to calculate the inner content height.
|
| + // However, in other browsers (e.g. IE), document.body must be used
|
| + // instead. How do we know which one to use?
|
| + // If document.documentElement.clientHeight does NOT equal
|
| + // document.documentElement.offsetHeight, then use document.body.
|
| + var sh = docEl.scrollHeight;
|
| + var oh = docEl.offsetHeight;
|
| + if (docEl.clientHeight != oh) {
|
| + sh = body.scrollHeight;
|
| + oh = body.offsetHeight;
|
| + }
|
| +
|
| + // Detect whether the inner content height is bigger or smaller
|
| + // than the bounding box (viewport). If bigger, take the larger
|
| + // value. If smaller, take the smaller value.
|
| + if (sh > vh) {
|
| + // Content is larger
|
| + height = sh > oh ? sh : oh;
|
| + } else {
|
| + // Content is smaller
|
| + height = sh < oh ? sh : oh;
|
| + }
|
| + }
|
| + }
|
| +
|
| + return height;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Gets the page scroll distance as a coordinate object.
|
| + *
|
| + * @param {Window=} opt_window Optional window element to test.
|
| + * @return {!goog.math.Coordinate} Object with values 'x' and 'y'.
|
| + * @deprecated Use {@link goog.dom.getDocumentScroll} instead.
|
| + */
|
| +goog.dom.getPageScroll = function(opt_window) {
|
| + var win = opt_window || goog.global || window;
|
| + return goog.dom.getDomHelper(win.document).getDocumentScroll();
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Gets the document scroll distance as a coordinate object.
|
| + *
|
| + * @return {!goog.math.Coordinate} Object with values 'x' and 'y'.
|
| + */
|
| +goog.dom.getDocumentScroll = function() {
|
| + return goog.dom.getDocumentScroll_(document);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Helper for {@code getDocumentScroll}.
|
| + *
|
| + * @param {!Document} doc The document to get the scroll for.
|
| + * @return {!goog.math.Coordinate} Object with values 'x' and 'y'.
|
| + * @private
|
| + */
|
| +goog.dom.getDocumentScroll_ = function(doc) {
|
| + var el = goog.dom.getDocumentScrollElement_(doc);
|
| + var win = goog.dom.getWindow_(doc);
|
| + if (goog.userAgent.IE && goog.userAgent.isVersionOrHigher('10') &&
|
| + win.pageYOffset != el.scrollTop) {
|
| + // The keyboard on IE10 touch devices shifts the page using the pageYOffset
|
| + // without modifying scrollTop. For this case, we want the body scroll
|
| + // offsets.
|
| + return new goog.math.Coordinate(el.scrollLeft, el.scrollTop);
|
| + }
|
| + return new goog.math.Coordinate(win.pageXOffset || el.scrollLeft,
|
| + win.pageYOffset || el.scrollTop);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Gets the document scroll element.
|
| + * @return {!Element} Scrolling element.
|
| + */
|
| +goog.dom.getDocumentScrollElement = function() {
|
| + return goog.dom.getDocumentScrollElement_(document);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Helper for {@code getDocumentScrollElement}.
|
| + * @param {!Document} doc The document to get the scroll element for.
|
| + * @return {!Element} Scrolling element.
|
| + * @private
|
| + */
|
| +goog.dom.getDocumentScrollElement_ = function(doc) {
|
| + // WebKit needs body.scrollLeft in both quirks mode and strict mode. We also
|
| + // default to the documentElement if the document does not have a body (e.g.
|
| + // a SVG document).
|
| + if (!goog.userAgent.WEBKIT && goog.dom.isCss1CompatMode_(doc)) {
|
| + return doc.documentElement;
|
| + }
|
| + return doc.body || doc.documentElement;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Gets the window object associated with the given document.
|
| + *
|
| + * @param {Document=} opt_doc Document object to get window for.
|
| + * @return {!Window} The window associated with the given document.
|
| + */
|
| +goog.dom.getWindow = function(opt_doc) {
|
| + // TODO(arv): This should not take an argument.
|
| + return opt_doc ? goog.dom.getWindow_(opt_doc) : window;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Helper for {@code getWindow}.
|
| + *
|
| + * @param {!Document} doc Document object to get window for.
|
| + * @return {!Window} The window associated with the given document.
|
| + * @private
|
| + */
|
| +goog.dom.getWindow_ = function(doc) {
|
| + return doc.parentWindow || doc.defaultView;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns a dom node with a set of attributes. This function accepts varargs
|
| + * for subsequent nodes to be added. Subsequent nodes will be added to the
|
| + * first node as childNodes.
|
| + *
|
| + * So:
|
| + * <code>createDom('div', null, createDom('p'), createDom('p'));</code>
|
| + * would return a div with two child paragraphs
|
| + *
|
| + * @param {string} tagName Tag to create.
|
| + * @param {(Object|Array.<string>|string)=} opt_attributes If object, then a map
|
| + * of name-value pairs for attributes. If a string, then this is the
|
| + * className of the new element. If an array, the elements will be joined
|
| + * together as the className of the new element.
|
| + * @param {...(Object|string|Array|NodeList)} var_args Further DOM nodes or
|
| + * strings for text nodes. If one of the var_args is an array or NodeList,i
|
| + * its elements will be added as childNodes instead.
|
| + * @return {!Element} Reference to a DOM node.
|
| + */
|
| +goog.dom.createDom = function(tagName, opt_attributes, var_args) {
|
| + return goog.dom.createDom_(document, arguments);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Helper for {@code createDom}.
|
| + * @param {!Document} doc The document to create the DOM in.
|
| + * @param {!Arguments} args Argument object passed from the callers. See
|
| + * {@code goog.dom.createDom} for details.
|
| + * @return {!Element} Reference to a DOM node.
|
| + * @private
|
| + */
|
| +goog.dom.createDom_ = function(doc, args) {
|
| + var tagName = args[0];
|
| + var attributes = args[1];
|
| +
|
| + // Internet Explorer is dumb: http://msdn.microsoft.com/workshop/author/
|
| + // dhtml/reference/properties/name_2.asp
|
| + // Also does not allow setting of 'type' attribute on 'input' or 'button'.
|
| + if (!goog.dom.BrowserFeature.CAN_ADD_NAME_OR_TYPE_ATTRIBUTES && attributes &&
|
| + (attributes.name || attributes.type)) {
|
| + var tagNameArr = ['<', tagName];
|
| + if (attributes.name) {
|
| + tagNameArr.push(' name="', goog.string.htmlEscape(attributes.name),
|
| + '"');
|
| + }
|
| + if (attributes.type) {
|
| + tagNameArr.push(' type="', goog.string.htmlEscape(attributes.type),
|
| + '"');
|
| +
|
| + // Clone attributes map to remove 'type' without mutating the input.
|
| + var clone = {};
|
| + goog.object.extend(clone, attributes);
|
| +
|
| + // JSCompiler can't see how goog.object.extend added this property,
|
| + // because it was essentially added by reflection.
|
| + // So it needs to be quoted.
|
| + delete clone['type'];
|
| +
|
| + attributes = clone;
|
| + }
|
| + tagNameArr.push('>');
|
| + tagName = tagNameArr.join('');
|
| + }
|
| +
|
| + var element = doc.createElement(tagName);
|
| +
|
| + if (attributes) {
|
| + if (goog.isString(attributes)) {
|
| + element.className = attributes;
|
| + } else if (goog.isArray(attributes)) {
|
| + element.className = attributes.join(' ');
|
| + } else {
|
| + goog.dom.setProperties(element, attributes);
|
| + }
|
| + }
|
| +
|
| + if (args.length > 2) {
|
| + goog.dom.append_(doc, element, args, 2);
|
| + }
|
| +
|
| + return element;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Appends a node with text or other nodes.
|
| + * @param {!Document} doc The document to create new nodes in.
|
| + * @param {!Node} parent The node to append nodes to.
|
| + * @param {!Arguments} args The values to add. See {@code goog.dom.append}.
|
| + * @param {number} startIndex The index of the array to start from.
|
| + * @private
|
| + */
|
| +goog.dom.append_ = function(doc, parent, args, startIndex) {
|
| + function childHandler(child) {
|
| + // TODO(user): More coercion, ala MochiKit?
|
| + if (child) {
|
| + parent.appendChild(goog.isString(child) ?
|
| + doc.createTextNode(child) : child);
|
| + }
|
| + }
|
| +
|
| + for (var i = startIndex; i < args.length; i++) {
|
| + var arg = args[i];
|
| + // TODO(attila): Fix isArrayLike to return false for a text node.
|
| + if (goog.isArrayLike(arg) && !goog.dom.isNodeLike(arg)) {
|
| + // If the argument is a node list, not a real array, use a clone,
|
| + // because forEach can't be used to mutate a NodeList.
|
| + goog.array.forEach(goog.dom.isNodeList(arg) ?
|
| + goog.array.toArray(arg) : arg,
|
| + childHandler);
|
| + } else {
|
| + childHandler(arg);
|
| + }
|
| + }
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Alias for {@code createDom}.
|
| + * @param {string} tagName Tag to create.
|
| + * @param {(string|Object)=} opt_attributes If object, then a map of name-value
|
| + * pairs for attributes. If a string, then this is the className of the new
|
| + * element.
|
| + * @param {...(Object|string|Array|NodeList)} var_args Further DOM nodes or
|
| + * strings for text nodes. If one of the var_args is an array, its
|
| + * children will be added as childNodes instead.
|
| + * @return {!Element} Reference to a DOM node.
|
| + * @deprecated Use {@link goog.dom.createDom} instead.
|
| + */
|
| +goog.dom.$dom = goog.dom.createDom;
|
| +
|
| +
|
| +/**
|
| + * Creates a new element.
|
| + * @param {string} name Tag name.
|
| + * @return {!Element} The new element.
|
| + */
|
| +goog.dom.createElement = function(name) {
|
| + return document.createElement(name);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Creates a new text node.
|
| + * @param {number|string} content Content.
|
| + * @return {!Text} The new text node.
|
| + */
|
| +goog.dom.createTextNode = function(content) {
|
| + return document.createTextNode(String(content));
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Create a table.
|
| + * @param {number} rows The number of rows in the table. Must be >= 1.
|
| + * @param {number} columns The number of columns in the table. Must be >= 1.
|
| + * @param {boolean=} opt_fillWithNbsp If true, fills table entries with nsbps.
|
| + * @return {!Element} The created table.
|
| + */
|
| +goog.dom.createTable = function(rows, columns, opt_fillWithNbsp) {
|
| + return goog.dom.createTable_(document, rows, columns, !!opt_fillWithNbsp);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Create a table.
|
| + * @param {!Document} doc Document object to use to create the table.
|
| + * @param {number} rows The number of rows in the table. Must be >= 1.
|
| + * @param {number} columns The number of columns in the table. Must be >= 1.
|
| + * @param {boolean} fillWithNbsp If true, fills table entries with nsbps.
|
| + * @return {!Element} The created table.
|
| + * @private
|
| + */
|
| +goog.dom.createTable_ = function(doc, rows, columns, fillWithNbsp) {
|
| + var rowHtml = ['<tr>'];
|
| + for (var i = 0; i < columns; i++) {
|
| + rowHtml.push(fillWithNbsp ? '<td> </td>' : '<td></td>');
|
| + }
|
| + rowHtml.push('</tr>');
|
| + rowHtml = rowHtml.join('');
|
| + var totalHtml = ['<table>'];
|
| + for (i = 0; i < rows; i++) {
|
| + totalHtml.push(rowHtml);
|
| + }
|
| + totalHtml.push('</table>');
|
| +
|
| + var elem = doc.createElement(goog.dom.TagName.DIV);
|
| + elem.innerHTML = totalHtml.join('');
|
| + return /** @type {!Element} */ (elem.removeChild(elem.firstChild));
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Converts an HTML string into a document fragment. The string must be
|
| + * sanitized in order to avoid cross-site scripting. For example
|
| + * {@code goog.dom.htmlToDocumentFragment('<img src=x onerror=alert(0)>')}
|
| + * triggers an alert in all browsers, even if the returned document fragment
|
| + * is thrown away immediately.
|
| + *
|
| + * @param {string} htmlString The HTML string to convert.
|
| + * @return {!Node} The resulting document fragment.
|
| + */
|
| +goog.dom.htmlToDocumentFragment = function(htmlString) {
|
| + return goog.dom.htmlToDocumentFragment_(document, htmlString);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Helper for {@code htmlToDocumentFragment}.
|
| + *
|
| + * @param {!Document} doc The document.
|
| + * @param {string} htmlString The HTML string to convert.
|
| + * @return {!Node} The resulting document fragment.
|
| + * @private
|
| + */
|
| +goog.dom.htmlToDocumentFragment_ = function(doc, htmlString) {
|
| + var tempDiv = doc.createElement('div');
|
| + if (goog.dom.BrowserFeature.INNER_HTML_NEEDS_SCOPED_ELEMENT) {
|
| + tempDiv.innerHTML = '<br>' + htmlString;
|
| + tempDiv.removeChild(tempDiv.firstChild);
|
| + } else {
|
| + tempDiv.innerHTML = htmlString;
|
| + }
|
| + if (tempDiv.childNodes.length == 1) {
|
| + return /** @type {!Node} */ (tempDiv.removeChild(tempDiv.firstChild));
|
| + } else {
|
| + var fragment = doc.createDocumentFragment();
|
| + while (tempDiv.firstChild) {
|
| + fragment.appendChild(tempDiv.firstChild);
|
| + }
|
| + return fragment;
|
| + }
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns true if the browser is in "CSS1-compatible" (standards-compliant)
|
| + * mode, false otherwise.
|
| + * @return {boolean} True if in CSS1-compatible mode.
|
| + */
|
| +goog.dom.isCss1CompatMode = function() {
|
| + return goog.dom.isCss1CompatMode_(document);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns true if the browser is in "CSS1-compatible" (standards-compliant)
|
| + * mode, false otherwise.
|
| + * @param {Document} doc The document to check.
|
| + * @return {boolean} True if in CSS1-compatible mode.
|
| + * @private
|
| + */
|
| +goog.dom.isCss1CompatMode_ = function(doc) {
|
| + if (goog.dom.COMPAT_MODE_KNOWN_) {
|
| + return goog.dom.ASSUME_STANDARDS_MODE;
|
| + }
|
| +
|
| + return doc.compatMode == 'CSS1Compat';
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Determines if the given node can contain children, intended to be used for
|
| + * HTML generation.
|
| + *
|
| + * IE natively supports node.canHaveChildren but has inconsistent behavior.
|
| + * Prior to IE8 the base tag allows children and in IE9 all nodes return true
|
| + * for canHaveChildren.
|
| + *
|
| + * In practice all non-IE browsers allow you to add children to any node, but
|
| + * the behavior is inconsistent:
|
| + *
|
| + * <pre>
|
| + * var a = document.createElement('br');
|
| + * a.appendChild(document.createTextNode('foo'));
|
| + * a.appendChild(document.createTextNode('bar'));
|
| + * console.log(a.childNodes.length); // 2
|
| + * console.log(a.innerHTML); // Chrome: "", IE9: "foobar", FF3.5: "foobar"
|
| + * </pre>
|
| + *
|
| + * For more information, see:
|
| + * http://dev.w3.org/html5/markup/syntax.html#syntax-elements
|
| + *
|
| + * TODO(user): Rename shouldAllowChildren() ?
|
| + *
|
| + * @param {Node} node The node to check.
|
| + * @return {boolean} Whether the node can contain children.
|
| + */
|
| +goog.dom.canHaveChildren = function(node) {
|
| + if (node.nodeType != goog.dom.NodeType.ELEMENT) {
|
| + return false;
|
| + }
|
| + switch (node.tagName) {
|
| + case goog.dom.TagName.APPLET:
|
| + case goog.dom.TagName.AREA:
|
| + case goog.dom.TagName.BASE:
|
| + case goog.dom.TagName.BR:
|
| + case goog.dom.TagName.COL:
|
| + case goog.dom.TagName.COMMAND:
|
| + case goog.dom.TagName.EMBED:
|
| + case goog.dom.TagName.FRAME:
|
| + case goog.dom.TagName.HR:
|
| + case goog.dom.TagName.IMG:
|
| + case goog.dom.TagName.INPUT:
|
| + case goog.dom.TagName.IFRAME:
|
| + case goog.dom.TagName.ISINDEX:
|
| + case goog.dom.TagName.KEYGEN:
|
| + case goog.dom.TagName.LINK:
|
| + case goog.dom.TagName.NOFRAMES:
|
| + case goog.dom.TagName.NOSCRIPT:
|
| + case goog.dom.TagName.META:
|
| + case goog.dom.TagName.OBJECT:
|
| + case goog.dom.TagName.PARAM:
|
| + case goog.dom.TagName.SCRIPT:
|
| + case goog.dom.TagName.SOURCE:
|
| + case goog.dom.TagName.STYLE:
|
| + case goog.dom.TagName.TRACK:
|
| + case goog.dom.TagName.WBR:
|
| + return false;
|
| + }
|
| + return true;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Appends a child to a node.
|
| + * @param {Node} parent Parent.
|
| + * @param {Node} child Child.
|
| + */
|
| +goog.dom.appendChild = function(parent, child) {
|
| + parent.appendChild(child);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Appends a node with text or other nodes.
|
| + * @param {!Node} parent The node to append nodes to.
|
| + * @param {...goog.dom.Appendable} var_args The things to append to the node.
|
| + * If this is a Node it is appended as is.
|
| + * If this is a string then a text node is appended.
|
| + * If this is an array like object then fields 0 to length - 1 are appended.
|
| + */
|
| +goog.dom.append = function(parent, var_args) {
|
| + goog.dom.append_(goog.dom.getOwnerDocument(parent), parent, arguments, 1);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Removes all the child nodes on a DOM node.
|
| + * @param {Node} node Node to remove children from.
|
| + */
|
| +goog.dom.removeChildren = function(node) {
|
| + // Note: Iterations over live collections can be slow, this is the fastest
|
| + // we could find. The double parenthesis are used to prevent JsCompiler and
|
| + // strict warnings.
|
| + var child;
|
| + while ((child = node.firstChild)) {
|
| + node.removeChild(child);
|
| + }
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Inserts a new node before an existing reference node (i.e. as the previous
|
| + * sibling). If the reference node has no parent, then does nothing.
|
| + * @param {Node} newNode Node to insert.
|
| + * @param {Node} refNode Reference node to insert before.
|
| + */
|
| +goog.dom.insertSiblingBefore = function(newNode, refNode) {
|
| + if (refNode.parentNode) {
|
| + refNode.parentNode.insertBefore(newNode, refNode);
|
| + }
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Inserts a new node after an existing reference node (i.e. as the next
|
| + * sibling). If the reference node has no parent, then does nothing.
|
| + * @param {Node} newNode Node to insert.
|
| + * @param {Node} refNode Reference node to insert after.
|
| + */
|
| +goog.dom.insertSiblingAfter = function(newNode, refNode) {
|
| + if (refNode.parentNode) {
|
| + refNode.parentNode.insertBefore(newNode, refNode.nextSibling);
|
| + }
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Insert a child at a given index. If index is larger than the number of child
|
| + * nodes that the parent currently has, the node is inserted as the last child
|
| + * node.
|
| + * @param {Element} parent The element into which to insert the child.
|
| + * @param {Node} child The element to insert.
|
| + * @param {number} index The index at which to insert the new child node. Must
|
| + * not be negative.
|
| + */
|
| +goog.dom.insertChildAt = function(parent, child, index) {
|
| + // Note that if the second argument is null, insertBefore
|
| + // will append the child at the end of the list of children.
|
| + parent.insertBefore(child, parent.childNodes[index] || null);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Removes a node from its parent.
|
| + * @param {Node} node The node to remove.
|
| + * @return {Node} The node removed if removed; else, null.
|
| + */
|
| +goog.dom.removeNode = function(node) {
|
| + return node && node.parentNode ? node.parentNode.removeChild(node) : null;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Replaces a node in the DOM tree. Will do nothing if {@code oldNode} has no
|
| + * parent.
|
| + * @param {Node} newNode Node to insert.
|
| + * @param {Node} oldNode Node to replace.
|
| + */
|
| +goog.dom.replaceNode = function(newNode, oldNode) {
|
| + var parent = oldNode.parentNode;
|
| + if (parent) {
|
| + parent.replaceChild(newNode, oldNode);
|
| + }
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Flattens an element. That is, removes it and replace it with its children.
|
| + * Does nothing if the element is not in the document.
|
| + * @param {Element} element The element to flatten.
|
| + * @return {Element|undefined} The original element, detached from the document
|
| + * tree, sans children; or undefined, if the element was not in the document
|
| + * to begin with.
|
| + */
|
| +goog.dom.flattenElement = function(element) {
|
| + var child, parent = element.parentNode;
|
| + if (parent && parent.nodeType != goog.dom.NodeType.DOCUMENT_FRAGMENT) {
|
| + // Use IE DOM method (supported by Opera too) if available
|
| + if (element.removeNode) {
|
| + return /** @type {Element} */ (element.removeNode(false));
|
| + } else {
|
| + // Move all children of the original node up one level.
|
| + while ((child = element.firstChild)) {
|
| + parent.insertBefore(child, element);
|
| + }
|
| +
|
| + // Detach the original element.
|
| + return /** @type {Element} */ (goog.dom.removeNode(element));
|
| + }
|
| + }
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns an array containing just the element children of the given element.
|
| + * @param {Element} element The element whose element children we want.
|
| + * @return {!(Array|NodeList)} An array or array-like list of just the element
|
| + * children of the given element.
|
| + */
|
| +goog.dom.getChildren = function(element) {
|
| + // We check if the children attribute is supported for child elements
|
| + // since IE8 misuses the attribute by also including comments.
|
| + if (goog.dom.BrowserFeature.CAN_USE_CHILDREN_ATTRIBUTE &&
|
| + element.children != undefined) {
|
| + return element.children;
|
| + }
|
| + // Fall back to manually filtering the element's child nodes.
|
| + return goog.array.filter(element.childNodes, function(node) {
|
| + return node.nodeType == goog.dom.NodeType.ELEMENT;
|
| + });
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns the first child node that is an element.
|
| + * @param {Node} node The node to get the first child element of.
|
| + * @return {Element} The first child node of {@code node} that is an element.
|
| + */
|
| +goog.dom.getFirstElementChild = function(node) {
|
| + if (node.firstElementChild != undefined) {
|
| + return /** @type {Element} */(node).firstElementChild;
|
| + }
|
| + return goog.dom.getNextElementNode_(node.firstChild, true);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns the last child node that is an element.
|
| + * @param {Node} node The node to get the last child element of.
|
| + * @return {Element} The last child node of {@code node} that is an element.
|
| + */
|
| +goog.dom.getLastElementChild = function(node) {
|
| + if (node.lastElementChild != undefined) {
|
| + return /** @type {Element} */(node).lastElementChild;
|
| + }
|
| + return goog.dom.getNextElementNode_(node.lastChild, false);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns the first next sibling that is an element.
|
| + * @param {Node} node The node to get the next sibling element of.
|
| + * @return {Element} The next sibling of {@code node} that is an element.
|
| + */
|
| +goog.dom.getNextElementSibling = function(node) {
|
| + if (node.nextElementSibling != undefined) {
|
| + return /** @type {Element} */(node).nextElementSibling;
|
| + }
|
| + return goog.dom.getNextElementNode_(node.nextSibling, true);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns the first previous sibling that is an element.
|
| + * @param {Node} node The node to get the previous sibling element of.
|
| + * @return {Element} The first previous sibling of {@code node} that is
|
| + * an element.
|
| + */
|
| +goog.dom.getPreviousElementSibling = function(node) {
|
| + if (node.previousElementSibling != undefined) {
|
| + return /** @type {Element} */(node).previousElementSibling;
|
| + }
|
| + return goog.dom.getNextElementNode_(node.previousSibling, false);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns the first node that is an element in the specified direction,
|
| + * starting with {@code node}.
|
| + * @param {Node} node The node to get the next element from.
|
| + * @param {boolean} forward Whether to look forwards or backwards.
|
| + * @return {Element} The first element.
|
| + * @private
|
| + */
|
| +goog.dom.getNextElementNode_ = function(node, forward) {
|
| + while (node && node.nodeType != goog.dom.NodeType.ELEMENT) {
|
| + node = forward ? node.nextSibling : node.previousSibling;
|
| + }
|
| +
|
| + return /** @type {Element} */ (node);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns the next node in source order from the given node.
|
| + * @param {Node} node The node.
|
| + * @return {Node} The next node in the DOM tree, or null if this was the last
|
| + * node.
|
| + */
|
| +goog.dom.getNextNode = function(node) {
|
| + if (!node) {
|
| + return null;
|
| + }
|
| +
|
| + if (node.firstChild) {
|
| + return node.firstChild;
|
| + }
|
| +
|
| + while (node && !node.nextSibling) {
|
| + node = node.parentNode;
|
| + }
|
| +
|
| + return node ? node.nextSibling : null;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns the previous node in source order from the given node.
|
| + * @param {Node} node The node.
|
| + * @return {Node} The previous node in the DOM tree, or null if this was the
|
| + * first node.
|
| + */
|
| +goog.dom.getPreviousNode = function(node) {
|
| + if (!node) {
|
| + return null;
|
| + }
|
| +
|
| + if (!node.previousSibling) {
|
| + return node.parentNode;
|
| + }
|
| +
|
| + node = node.previousSibling;
|
| + while (node && node.lastChild) {
|
| + node = node.lastChild;
|
| + }
|
| +
|
| + return node;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Whether the object looks like a DOM node.
|
| + * @param {?} obj The object being tested for node likeness.
|
| + * @return {boolean} Whether the object looks like a DOM node.
|
| + */
|
| +goog.dom.isNodeLike = function(obj) {
|
| + return goog.isObject(obj) && obj.nodeType > 0;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Whether the object looks like an Element.
|
| + * @param {?} obj The object being tested for Element likeness.
|
| + * @return {boolean} Whether the object looks like an Element.
|
| + */
|
| +goog.dom.isElement = function(obj) {
|
| + return goog.isObject(obj) && obj.nodeType == goog.dom.NodeType.ELEMENT;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns true if the specified value is a Window object. This includes the
|
| + * global window for HTML pages, and iframe windows.
|
| + * @param {?} obj Variable to test.
|
| + * @return {boolean} Whether the variable is a window.
|
| + */
|
| +goog.dom.isWindow = function(obj) {
|
| + return goog.isObject(obj) && obj['window'] == obj;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns an element's parent, if it's an Element.
|
| + * @param {Element} element The DOM element.
|
| + * @return {Element} The parent, or null if not an Element.
|
| + */
|
| +goog.dom.getParentElement = function(element) {
|
| + var parent;
|
| + if (goog.dom.BrowserFeature.CAN_USE_PARENT_ELEMENT_PROPERTY) {
|
| + var isIe9 = goog.userAgent.IE &&
|
| + goog.userAgent.isVersionOrHigher('9') &&
|
| + !goog.userAgent.isVersionOrHigher('10');
|
| + // SVG elements in IE9 can't use the parentElement property.
|
| + // goog.global['SVGElement'] is not defined in IE9 quirks mode.
|
| + if (!(isIe9 && goog.global['SVGElement'] &&
|
| + element instanceof goog.global['SVGElement'])) {
|
| + parent = element.parentElement;
|
| + if (parent) {
|
| + return parent;
|
| + }
|
| + }
|
| + }
|
| + parent = element.parentNode;
|
| + return goog.dom.isElement(parent) ? /** @type {!Element} */ (parent) : null;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Whether a node contains another node.
|
| + * @param {Node} parent The node that should contain the other node.
|
| + * @param {Node} descendant The node to test presence of.
|
| + * @return {boolean} Whether the parent node contains the descendent node.
|
| + */
|
| +goog.dom.contains = function(parent, descendant) {
|
| + // We use browser specific methods for this if available since it is faster
|
| + // that way.
|
| +
|
| + // IE DOM
|
| + if (parent.contains && descendant.nodeType == goog.dom.NodeType.ELEMENT) {
|
| + return parent == descendant || parent.contains(descendant);
|
| + }
|
| +
|
| + // W3C DOM Level 3
|
| + if (typeof parent.compareDocumentPosition != 'undefined') {
|
| + return parent == descendant ||
|
| + Boolean(parent.compareDocumentPosition(descendant) & 16);
|
| + }
|
| +
|
| + // W3C DOM Level 1
|
| + while (descendant && parent != descendant) {
|
| + descendant = descendant.parentNode;
|
| + }
|
| + return descendant == parent;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Compares the document order of two nodes, returning 0 if they are the same
|
| + * node, a negative number if node1 is before node2, and a positive number if
|
| + * node2 is before node1. Note that we compare the order the tags appear in the
|
| + * document so in the tree <b><i>text</i></b> the B node is considered to be
|
| + * before the I node.
|
| + *
|
| + * @param {Node} node1 The first node to compare.
|
| + * @param {Node} node2 The second node to compare.
|
| + * @return {number} 0 if the nodes are the same node, a negative number if node1
|
| + * is before node2, and a positive number if node2 is before node1.
|
| + */
|
| +goog.dom.compareNodeOrder = function(node1, node2) {
|
| + // Fall out quickly for equality.
|
| + if (node1 == node2) {
|
| + return 0;
|
| + }
|
| +
|
| + // Use compareDocumentPosition where available
|
| + if (node1.compareDocumentPosition) {
|
| + // 4 is the bitmask for FOLLOWS.
|
| + return node1.compareDocumentPosition(node2) & 2 ? 1 : -1;
|
| + }
|
| +
|
| + // Special case for document nodes on IE 7 and 8.
|
| + if (goog.userAgent.IE && !goog.userAgent.isDocumentModeOrHigher(9)) {
|
| + if (node1.nodeType == goog.dom.NodeType.DOCUMENT) {
|
| + return -1;
|
| + }
|
| + if (node2.nodeType == goog.dom.NodeType.DOCUMENT) {
|
| + return 1;
|
| + }
|
| + }
|
| +
|
| + // Process in IE using sourceIndex - we check to see if the first node has
|
| + // a source index or if its parent has one.
|
| + if ('sourceIndex' in node1 ||
|
| + (node1.parentNode && 'sourceIndex' in node1.parentNode)) {
|
| + var isElement1 = node1.nodeType == goog.dom.NodeType.ELEMENT;
|
| + var isElement2 = node2.nodeType == goog.dom.NodeType.ELEMENT;
|
| +
|
| + if (isElement1 && isElement2) {
|
| + return node1.sourceIndex - node2.sourceIndex;
|
| + } else {
|
| + var parent1 = node1.parentNode;
|
| + var parent2 = node2.parentNode;
|
| +
|
| + if (parent1 == parent2) {
|
| + return goog.dom.compareSiblingOrder_(node1, node2);
|
| + }
|
| +
|
| + if (!isElement1 && goog.dom.contains(parent1, node2)) {
|
| + return -1 * goog.dom.compareParentsDescendantNodeIe_(node1, node2);
|
| + }
|
| +
|
| +
|
| + if (!isElement2 && goog.dom.contains(parent2, node1)) {
|
| + return goog.dom.compareParentsDescendantNodeIe_(node2, node1);
|
| + }
|
| +
|
| + return (isElement1 ? node1.sourceIndex : parent1.sourceIndex) -
|
| + (isElement2 ? node2.sourceIndex : parent2.sourceIndex);
|
| + }
|
| + }
|
| +
|
| + // For Safari, we compare ranges.
|
| + var doc = goog.dom.getOwnerDocument(node1);
|
| +
|
| + var range1, range2;
|
| + range1 = doc.createRange();
|
| + range1.selectNode(node1);
|
| + range1.collapse(true);
|
| +
|
| + range2 = doc.createRange();
|
| + range2.selectNode(node2);
|
| + range2.collapse(true);
|
| +
|
| + return range1.compareBoundaryPoints(goog.global['Range'].START_TO_END,
|
| + range2);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Utility function to compare the position of two nodes, when
|
| + * {@code textNode}'s parent is an ancestor of {@code node}. If this entry
|
| + * condition is not met, this function will attempt to reference a null object.
|
| + * @param {Node} textNode The textNode to compare.
|
| + * @param {Node} node The node to compare.
|
| + * @return {number} -1 if node is before textNode, +1 otherwise.
|
| + * @private
|
| + */
|
| +goog.dom.compareParentsDescendantNodeIe_ = function(textNode, node) {
|
| + var parent = textNode.parentNode;
|
| + if (parent == node) {
|
| + // If textNode is a child of node, then node comes first.
|
| + return -1;
|
| + }
|
| + var sibling = node;
|
| + while (sibling.parentNode != parent) {
|
| + sibling = sibling.parentNode;
|
| + }
|
| + return goog.dom.compareSiblingOrder_(sibling, textNode);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Utility function to compare the position of two nodes known to be non-equal
|
| + * siblings.
|
| + * @param {Node} node1 The first node to compare.
|
| + * @param {Node} node2 The second node to compare.
|
| + * @return {number} -1 if node1 is before node2, +1 otherwise.
|
| + * @private
|
| + */
|
| +goog.dom.compareSiblingOrder_ = function(node1, node2) {
|
| + var s = node2;
|
| + while ((s = s.previousSibling)) {
|
| + if (s == node1) {
|
| + // We just found node1 before node2.
|
| + return -1;
|
| + }
|
| + }
|
| +
|
| + // Since we didn't find it, node1 must be after node2.
|
| + return 1;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Find the deepest common ancestor of the given nodes.
|
| + * @param {...Node} var_args The nodes to find a common ancestor of.
|
| + * @return {Node} The common ancestor of the nodes, or null if there is none.
|
| + * null will only be returned if two or more of the nodes are from different
|
| + * documents.
|
| + */
|
| +goog.dom.findCommonAncestor = function(var_args) {
|
| + var i, count = arguments.length;
|
| + if (!count) {
|
| + return null;
|
| + } else if (count == 1) {
|
| + return arguments[0];
|
| + }
|
| +
|
| + var paths = [];
|
| + var minLength = Infinity;
|
| + for (i = 0; i < count; i++) {
|
| + // Compute the list of ancestors.
|
| + var ancestors = [];
|
| + var node = arguments[i];
|
| + while (node) {
|
| + ancestors.unshift(node);
|
| + node = node.parentNode;
|
| + }
|
| +
|
| + // Save the list for comparison.
|
| + paths.push(ancestors);
|
| + minLength = Math.min(minLength, ancestors.length);
|
| + }
|
| + var output = null;
|
| + for (i = 0; i < minLength; i++) {
|
| + var first = paths[0][i];
|
| + for (var j = 1; j < count; j++) {
|
| + if (first != paths[j][i]) {
|
| + return output;
|
| + }
|
| + }
|
| + output = first;
|
| + }
|
| + return output;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns the owner document for a node.
|
| + * @param {Node|Window} node The node to get the document for.
|
| + * @return {!Document} The document owning the node.
|
| + */
|
| +goog.dom.getOwnerDocument = function(node) {
|
| + // TODO(nnaze): Update param signature to be non-nullable.
|
| + goog.asserts.assert(node, 'Node cannot be null or undefined.');
|
| + return /** @type {!Document} */ (
|
| + node.nodeType == goog.dom.NodeType.DOCUMENT ? node :
|
| + node.ownerDocument || node.document);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Cross-browser function for getting the document element of a frame or iframe.
|
| + * @param {Element} frame Frame element.
|
| + * @return {!Document} The frame content document.
|
| + */
|
| +goog.dom.getFrameContentDocument = function(frame) {
|
| + var doc = frame.contentDocument || frame.contentWindow.document;
|
| + return doc;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Cross-browser function for getting the window of a frame or iframe.
|
| + * @param {Element} frame Frame element.
|
| + * @return {Window} The window associated with the given frame.
|
| + */
|
| +goog.dom.getFrameContentWindow = function(frame) {
|
| + return frame.contentWindow ||
|
| + goog.dom.getWindow(goog.dom.getFrameContentDocument(frame));
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Sets the text content of a node, with cross-browser support.
|
| + * @param {Node} node The node to change the text content of.
|
| + * @param {string|number} text The value that should replace the node's content.
|
| + */
|
| +goog.dom.setTextContent = function(node, text) {
|
| + goog.asserts.assert(node != null,
|
| + 'goog.dom.setTextContent expects a non-null value for node');
|
| +
|
| + if ('textContent' in node) {
|
| + node.textContent = text;
|
| + } else if (node.nodeType == goog.dom.NodeType.TEXT) {
|
| + node.data = text;
|
| + } else if (node.firstChild &&
|
| + node.firstChild.nodeType == goog.dom.NodeType.TEXT) {
|
| + // If the first child is a text node we just change its data and remove the
|
| + // rest of the children.
|
| + while (node.lastChild != node.firstChild) {
|
| + node.removeChild(node.lastChild);
|
| + }
|
| + node.firstChild.data = text;
|
| + } else {
|
| + goog.dom.removeChildren(node);
|
| + var doc = goog.dom.getOwnerDocument(node);
|
| + node.appendChild(doc.createTextNode(String(text)));
|
| + }
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Gets the outerHTML of a node, which islike innerHTML, except that it
|
| + * actually contains the HTML of the node itself.
|
| + * @param {Element} element The element to get the HTML of.
|
| + * @return {string} The outerHTML of the given element.
|
| + */
|
| +goog.dom.getOuterHtml = function(element) {
|
| + // IE, Opera and WebKit all have outerHTML.
|
| + if ('outerHTML' in element) {
|
| + return element.outerHTML;
|
| + } else {
|
| + var doc = goog.dom.getOwnerDocument(element);
|
| + var div = doc.createElement('div');
|
| + div.appendChild(element.cloneNode(true));
|
| + return div.innerHTML;
|
| + }
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Finds the first descendant node that matches the filter function, using
|
| + * a depth first search. This function offers the most general purpose way
|
| + * of finding a matching element. You may also wish to consider
|
| + * {@code goog.dom.query} which can express many matching criteria using
|
| + * CSS selector expressions. These expressions often result in a more
|
| + * compact representation of the desired result.
|
| + * @see goog.dom.query
|
| + *
|
| + * @param {Node} root The root of the tree to search.
|
| + * @param {function(Node) : boolean} p The filter function.
|
| + * @return {Node|undefined} The found node or undefined if none is found.
|
| + */
|
| +goog.dom.findNode = function(root, p) {
|
| + var rv = [];
|
| + var found = goog.dom.findNodes_(root, p, rv, true);
|
| + return found ? rv[0] : undefined;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Finds all the descendant nodes that match the filter function, using a
|
| + * a depth first search. This function offers the most general-purpose way
|
| + * of finding a set of matching elements. You may also wish to consider
|
| + * {@code goog.dom.query} which can express many matching criteria using
|
| + * CSS selector expressions. These expressions often result in a more
|
| + * compact representation of the desired result.
|
| +
|
| + * @param {Node} root The root of the tree to search.
|
| + * @param {function(Node) : boolean} p The filter function.
|
| + * @return {!Array.<!Node>} The found nodes or an empty array if none are found.
|
| + */
|
| +goog.dom.findNodes = function(root, p) {
|
| + var rv = [];
|
| + goog.dom.findNodes_(root, p, rv, false);
|
| + return rv;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Finds the first or all the descendant nodes that match the filter function,
|
| + * using a depth first search.
|
| + * @param {Node} root The root of the tree to search.
|
| + * @param {function(Node) : boolean} p The filter function.
|
| + * @param {!Array.<!Node>} rv The found nodes are added to this array.
|
| + * @param {boolean} findOne If true we exit after the first found node.
|
| + * @return {boolean} Whether the search is complete or not. True in case findOne
|
| + * is true and the node is found. False otherwise.
|
| + * @private
|
| + */
|
| +goog.dom.findNodes_ = function(root, p, rv, findOne) {
|
| + if (root != null) {
|
| + var child = root.firstChild;
|
| + while (child) {
|
| + if (p(child)) {
|
| + rv.push(child);
|
| + if (findOne) {
|
| + return true;
|
| + }
|
| + }
|
| + if (goog.dom.findNodes_(child, p, rv, findOne)) {
|
| + return true;
|
| + }
|
| + child = child.nextSibling;
|
| + }
|
| + }
|
| + return false;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Map of tags whose content to ignore when calculating text length.
|
| + * @type {Object}
|
| + * @private
|
| + */
|
| +goog.dom.TAGS_TO_IGNORE_ = {
|
| + 'SCRIPT': 1,
|
| + 'STYLE': 1,
|
| + 'HEAD': 1,
|
| + 'IFRAME': 1,
|
| + 'OBJECT': 1
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Map of tags which have predefined values with regard to whitespace.
|
| + * @type {Object}
|
| + * @private
|
| + */
|
| +goog.dom.PREDEFINED_TAG_VALUES_ = {'IMG': ' ', 'BR': '\n'};
|
| +
|
| +
|
| +/**
|
| + * Returns true if the element has a tab index that allows it to receive
|
| + * keyboard focus (tabIndex >= 0), false otherwise. Note that some elements
|
| + * natively support keyboard focus, even if they have no tab index.
|
| + * @param {Element} element Element to check.
|
| + * @return {boolean} Whether the element has a tab index that allows keyboard
|
| + * focus.
|
| + * @see http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
|
| + */
|
| +goog.dom.isFocusableTabIndex = function(element) {
|
| + return goog.dom.hasSpecifiedTabIndex_(element) &&
|
| + goog.dom.isTabIndexFocusable_(element);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Enables or disables keyboard focus support on the element via its tab index.
|
| + * Only elements for which {@link goog.dom.isFocusableTabIndex} returns true
|
| + * (or elements that natively support keyboard focus, like form elements) can
|
| + * receive keyboard focus. See http://go/tabindex for more info.
|
| + * @param {Element} element Element whose tab index is to be changed.
|
| + * @param {boolean} enable Whether to set or remove a tab index on the element
|
| + * that supports keyboard focus.
|
| + */
|
| +goog.dom.setFocusableTabIndex = function(element, enable) {
|
| + if (enable) {
|
| + element.tabIndex = 0;
|
| + } else {
|
| + // Set tabIndex to -1 first, then remove it. This is a workaround for
|
| + // Safari (confirmed in version 4 on Windows). When removing the attribute
|
| + // without setting it to -1 first, the element remains keyboard focusable
|
| + // despite not having a tabIndex attribute anymore.
|
| + element.tabIndex = -1;
|
| + element.removeAttribute('tabIndex'); // Must be camelCase!
|
| + }
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns true if the element can be focused, i.e. it has a tab index that
|
| + * allows it to receive keyboard focus (tabIndex >= 0), or it is an element
|
| + * that natively supports keyboard focus.
|
| + * @param {Element} element Element to check.
|
| + * @return {boolean} Whether the element allows keyboard focus.
|
| + */
|
| +goog.dom.isFocusable = function(element) {
|
| + var focusable;
|
| + // Some elements can have unspecified tab index and still receive focus.
|
| + if (goog.dom.nativelySupportsFocus_(element)) {
|
| + // Make sure the element is not disabled ...
|
| + focusable = !element.disabled &&
|
| + // ... and if a tab index is specified, it allows focus.
|
| + (!goog.dom.hasSpecifiedTabIndex_(element) ||
|
| + goog.dom.isTabIndexFocusable_(element));
|
| + } else {
|
| + focusable = goog.dom.isFocusableTabIndex(element);
|
| + }
|
| +
|
| + // IE requires elements to be visible in order to focus them.
|
| + return focusable && goog.userAgent.IE ?
|
| + goog.dom.hasNonZeroBoundingRect_(element) : focusable;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns true if the element has a specified tab index.
|
| + * @param {Element} element Element to check.
|
| + * @return {boolean} Whether the element has a specified tab index.
|
| + * @private
|
| + */
|
| +goog.dom.hasSpecifiedTabIndex_ = function(element) {
|
| + // IE returns 0 for an unset tabIndex, so we must use getAttributeNode(),
|
| + // which returns an object with a 'specified' property if tabIndex is
|
| + // specified. This works on other browsers, too.
|
| + var attrNode = element.getAttributeNode('tabindex'); // Must be lowercase!
|
| + return goog.isDefAndNotNull(attrNode) && attrNode.specified;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns true if the element's tab index allows the element to be focused.
|
| + * @param {Element} element Element to check.
|
| + * @return {boolean} Whether the element's tab index allows focus.
|
| + * @private
|
| + */
|
| +goog.dom.isTabIndexFocusable_ = function(element) {
|
| + var index = element.tabIndex;
|
| + // NOTE: IE9 puts tabIndex in 16-bit int, e.g. -2 is 65534.
|
| + return goog.isNumber(index) && index >= 0 && index < 32768;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns true if the element is focusable even when tabIndex is not set.
|
| + * @param {Element} element Element to check.
|
| + * @return {boolean} Whether the element natively supports focus.
|
| + * @private
|
| + */
|
| +goog.dom.nativelySupportsFocus_ = function(element) {
|
| + return element.tagName == goog.dom.TagName.A ||
|
| + element.tagName == goog.dom.TagName.INPUT ||
|
| + element.tagName == goog.dom.TagName.TEXTAREA ||
|
| + element.tagName == goog.dom.TagName.SELECT ||
|
| + element.tagName == goog.dom.TagName.BUTTON;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns true if the element has a bounding rectangle that would be visible
|
| + * (i.e. its width and height are greater than zero).
|
| + * @param {Element} element Element to check.
|
| + * @return {boolean} Whether the element has a non-zero bounding rectangle.
|
| + * @private
|
| + */
|
| +goog.dom.hasNonZeroBoundingRect_ = function(element) {
|
| + var rect = goog.isFunction(element['getBoundingClientRect']) ?
|
| + element.getBoundingClientRect() :
|
| + {'height': element.offsetHeight, 'width': element.offsetWidth};
|
| + return goog.isDefAndNotNull(rect) && rect.height > 0 && rect.width > 0;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns the text content of the current node, without markup and invisible
|
| + * symbols. New lines are stripped and whitespace is collapsed,
|
| + * such that each character would be visible.
|
| + *
|
| + * In browsers that support it, innerText is used. Other browsers attempt to
|
| + * simulate it via node traversal. Line breaks are canonicalized in IE.
|
| + *
|
| + * @param {Node} node The node from which we are getting content.
|
| + * @return {string} The text content.
|
| + */
|
| +goog.dom.getTextContent = function(node) {
|
| + var textContent;
|
| + // Note(arv): IE9, Opera, and Safari 3 support innerText but they include
|
| + // text nodes in script tags. So we revert to use a user agent test here.
|
| + if (goog.dom.BrowserFeature.CAN_USE_INNER_TEXT && ('innerText' in node)) {
|
| + textContent = goog.string.canonicalizeNewlines(node.innerText);
|
| + // Unfortunately .innerText() returns text with ­ symbols
|
| + // We need to filter it out and then remove duplicate whitespaces
|
| + } else {
|
| + var buf = [];
|
| + goog.dom.getTextContent_(node, buf, true);
|
| + textContent = buf.join('');
|
| + }
|
| +
|
| + // Strip ­ entities. goog.format.insertWordBreaks inserts them in Opera.
|
| + textContent = textContent.replace(/ \xAD /g, ' ').replace(/\xAD/g, '');
|
| + // Strip ​ entities. goog.format.insertWordBreaks inserts them in IE8.
|
| + textContent = textContent.replace(/\u200B/g, '');
|
| +
|
| + // Skip this replacement on old browsers with working innerText, which
|
| + // automatically turns into ' ' and / +/ into ' ' when reading
|
| + // innerText.
|
| + if (!goog.dom.BrowserFeature.CAN_USE_INNER_TEXT) {
|
| + textContent = textContent.replace(/ +/g, ' ');
|
| + }
|
| + if (textContent != ' ') {
|
| + textContent = textContent.replace(/^\s*/, '');
|
| + }
|
| +
|
| + return textContent;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns the text content of the current node, without markup.
|
| + *
|
| + * Unlike {@code getTextContent} this method does not collapse whitespaces
|
| + * or normalize lines breaks.
|
| + *
|
| + * @param {Node} node The node from which we are getting content.
|
| + * @return {string} The raw text content.
|
| + */
|
| +goog.dom.getRawTextContent = function(node) {
|
| + var buf = [];
|
| + goog.dom.getTextContent_(node, buf, false);
|
| +
|
| + return buf.join('');
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Recursive support function for text content retrieval.
|
| + *
|
| + * @param {Node} node The node from which we are getting content.
|
| + * @param {Array} buf string buffer.
|
| + * @param {boolean} normalizeWhitespace Whether to normalize whitespace.
|
| + * @private
|
| + */
|
| +goog.dom.getTextContent_ = function(node, buf, normalizeWhitespace) {
|
| + if (node.nodeName in goog.dom.TAGS_TO_IGNORE_) {
|
| + // ignore certain tags
|
| + } else if (node.nodeType == goog.dom.NodeType.TEXT) {
|
| + if (normalizeWhitespace) {
|
| + buf.push(String(node.nodeValue).replace(/(\r\n|\r|\n)/g, ''));
|
| + } else {
|
| + buf.push(node.nodeValue);
|
| + }
|
| + } else if (node.nodeName in goog.dom.PREDEFINED_TAG_VALUES_) {
|
| + buf.push(goog.dom.PREDEFINED_TAG_VALUES_[node.nodeName]);
|
| + } else {
|
| + var child = node.firstChild;
|
| + while (child) {
|
| + goog.dom.getTextContent_(child, buf, normalizeWhitespace);
|
| + child = child.nextSibling;
|
| + }
|
| + }
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns the text length of the text contained in a node, without markup. This
|
| + * is equivalent to the selection length if the node was selected, or the number
|
| + * of cursor movements to traverse the node. Images & BRs take one space. New
|
| + * lines are ignored.
|
| + *
|
| + * @param {Node} node The node whose text content length is being calculated.
|
| + * @return {number} The length of {@code node}'s text content.
|
| + */
|
| +goog.dom.getNodeTextLength = function(node) {
|
| + return goog.dom.getTextContent(node).length;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns the text offset of a node relative to one of its ancestors. The text
|
| + * length is the same as the length calculated by goog.dom.getNodeTextLength.
|
| + *
|
| + * @param {Node} node The node whose offset is being calculated.
|
| + * @param {Node=} opt_offsetParent The node relative to which the offset will
|
| + * be calculated. Defaults to the node's owner document's body.
|
| + * @return {number} The text offset.
|
| + */
|
| +goog.dom.getNodeTextOffset = function(node, opt_offsetParent) {
|
| + var root = opt_offsetParent || goog.dom.getOwnerDocument(node).body;
|
| + var buf = [];
|
| + while (node && node != root) {
|
| + var cur = node;
|
| + while ((cur = cur.previousSibling)) {
|
| + buf.unshift(goog.dom.getTextContent(cur));
|
| + }
|
| + node = node.parentNode;
|
| + }
|
| + // Trim left to deal with FF cases when there might be line breaks and empty
|
| + // nodes at the front of the text
|
| + return goog.string.trimLeft(buf.join('')).replace(/ +/g, ' ').length;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns the node at a given offset in a parent node. If an object is
|
| + * provided for the optional third parameter, the node and the remainder of the
|
| + * offset will stored as properties of this object.
|
| + * @param {Node} parent The parent node.
|
| + * @param {number} offset The offset into the parent node.
|
| + * @param {Object=} opt_result Object to be used to store the return value. The
|
| + * return value will be stored in the form {node: Node, remainder: number}
|
| + * if this object is provided.
|
| + * @return {Node} The node at the given offset.
|
| + */
|
| +goog.dom.getNodeAtOffset = function(parent, offset, opt_result) {
|
| + var stack = [parent], pos = 0, cur = null;
|
| + while (stack.length > 0 && pos < offset) {
|
| + cur = stack.pop();
|
| + if (cur.nodeName in goog.dom.TAGS_TO_IGNORE_) {
|
| + // ignore certain tags
|
| + } else if (cur.nodeType == goog.dom.NodeType.TEXT) {
|
| + var text = cur.nodeValue.replace(/(\r\n|\r|\n)/g, '').replace(/ +/g, ' ');
|
| + pos += text.length;
|
| + } else if (cur.nodeName in goog.dom.PREDEFINED_TAG_VALUES_) {
|
| + pos += goog.dom.PREDEFINED_TAG_VALUES_[cur.nodeName].length;
|
| + } else {
|
| + for (var i = cur.childNodes.length - 1; i >= 0; i--) {
|
| + stack.push(cur.childNodes[i]);
|
| + }
|
| + }
|
| + }
|
| + if (goog.isObject(opt_result)) {
|
| + opt_result.remainder = cur ? cur.nodeValue.length + offset - pos - 1 : 0;
|
| + opt_result.node = cur;
|
| + }
|
| +
|
| + return cur;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns true if the object is a {@code NodeList}. To qualify as a NodeList,
|
| + * the object must have a numeric length property and an item function (which
|
| + * has type 'string' on IE for some reason).
|
| + * @param {Object} val Object to test.
|
| + * @return {boolean} Whether the object is a NodeList.
|
| + */
|
| +goog.dom.isNodeList = function(val) {
|
| + // TODO(attila): Now the isNodeList is part of goog.dom we can use
|
| + // goog.userAgent to make this simpler.
|
| + // A NodeList must have a length property of type 'number' on all platforms.
|
| + if (val && typeof val.length == 'number') {
|
| + // A NodeList is an object everywhere except Safari, where it's a function.
|
| + if (goog.isObject(val)) {
|
| + // A NodeList must have an item function (on non-IE platforms) or an item
|
| + // property of type 'string' (on IE).
|
| + return typeof val.item == 'function' || typeof val.item == 'string';
|
| + } else if (goog.isFunction(val)) {
|
| + // On Safari, a NodeList is a function with an item property that is also
|
| + // a function.
|
| + return typeof val.item == 'function';
|
| + }
|
| + }
|
| +
|
| + // Not a NodeList.
|
| + return false;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Walks up the DOM hierarchy returning the first ancestor that has the passed
|
| + * tag name and/or class name. If the passed element matches the specified
|
| + * criteria, the element itself is returned.
|
| + * @param {Node} element The DOM node to start with.
|
| + * @param {?(goog.dom.TagName|string)=} opt_tag The tag name to match (or
|
| + * null/undefined to match only based on class name).
|
| + * @param {?string=} opt_class The class name to match (or null/undefined to
|
| + * match only based on tag name).
|
| + * @return {Element} The first ancestor that matches the passed criteria, or
|
| + * null if no match is found.
|
| + */
|
| +goog.dom.getAncestorByTagNameAndClass = function(element, opt_tag, opt_class) {
|
| + if (!opt_tag && !opt_class) {
|
| + return null;
|
| + }
|
| + var tagName = opt_tag ? opt_tag.toUpperCase() : null;
|
| + return /** @type {Element} */ (goog.dom.getAncestor(element,
|
| + function(node) {
|
| + return (!tagName || node.nodeName == tagName) &&
|
| + (!opt_class || goog.isString(node.className) &&
|
| + goog.array.contains(node.className.split(/\s+/), opt_class));
|
| + }, true));
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Walks up the DOM hierarchy returning the first ancestor that has the passed
|
| + * class name. If the passed element matches the specified criteria, the
|
| + * element itself is returned.
|
| + * @param {Node} element The DOM node to start with.
|
| + * @param {string} className The class name to match.
|
| + * @return {Element} The first ancestor that matches the passed criteria, or
|
| + * null if none match.
|
| + */
|
| +goog.dom.getAncestorByClass = function(element, className) {
|
| + return goog.dom.getAncestorByTagNameAndClass(element, null, className);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Walks up the DOM hierarchy returning the first ancestor that passes the
|
| + * matcher function.
|
| + * @param {Node} element The DOM node to start with.
|
| + * @param {function(Node) : boolean} matcher A function that returns true if the
|
| + * passed node matches the desired criteria.
|
| + * @param {boolean=} opt_includeNode If true, the node itself is included in
|
| + * the search (the first call to the matcher will pass startElement as
|
| + * the node to test).
|
| + * @param {number=} opt_maxSearchSteps Maximum number of levels to search up the
|
| + * dom.
|
| + * @return {Node} DOM node that matched the matcher, or null if there was
|
| + * no match.
|
| + */
|
| +goog.dom.getAncestor = function(
|
| + element, matcher, opt_includeNode, opt_maxSearchSteps) {
|
| + if (!opt_includeNode) {
|
| + element = element.parentNode;
|
| + }
|
| + var ignoreSearchSteps = opt_maxSearchSteps == null;
|
| + var steps = 0;
|
| + while (element && (ignoreSearchSteps || steps <= opt_maxSearchSteps)) {
|
| + if (matcher(element)) {
|
| + return element;
|
| + }
|
| + element = element.parentNode;
|
| + steps++;
|
| + }
|
| + // Reached the root of the DOM without a match
|
| + return null;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Determines the active element in the given document.
|
| + * @param {Document} doc The document to look in.
|
| + * @return {Element} The active element.
|
| + */
|
| +goog.dom.getActiveElement = function(doc) {
|
| + try {
|
| + return doc && doc.activeElement;
|
| + } catch (e) {
|
| + // NOTE(nicksantos): Sometimes, evaluating document.activeElement in IE
|
| + // throws an exception. I'm not 100% sure why, but I suspect it chokes
|
| + // on document.activeElement if the activeElement has been recently
|
| + // removed from the DOM by a JS operation.
|
| + //
|
| + // We assume that an exception here simply means
|
| + // "there is no active element."
|
| + }
|
| +
|
| + return null;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * @private {number} Cached version of the devicePixelRatio.
|
| + */
|
| +goog.dom.devicePixelRatio_;
|
| +
|
| +
|
| +/**
|
| + * Gives the devicePixelRatio, or attempts to determine if not present.
|
| + *
|
| + * By default, this is the same value given by window.devicePixelRatio. If
|
| + * devicePixelRatio is not defined, the ratio is calculated with
|
| + * window.matchMedia, if present. Otherwise, gives 1.0.
|
| + *
|
| + * This function is cached so that the pixel ratio is calculated only once
|
| + * and only calculated when first requested.
|
| + *
|
| + * @return {number} The number of actual pixels per virtual pixel.
|
| + */
|
| +goog.dom.getPixelRatio = goog.functions.cacheReturnValue(function() {
|
| + var win = goog.dom.getWindow();
|
| +
|
| + // devicePixelRatio does not work on Mobile firefox.
|
| + // TODO(user): Enable this check on a known working mobile Gecko version.
|
| + // Filed a bug: https://bugzilla.mozilla.org/show_bug.cgi?id=896804
|
| + var isFirefoxMobile = goog.userAgent.GECKO && goog.userAgent.MOBILE;
|
| +
|
| + if (goog.isDef(win.devicePixelRatio) && !isFirefoxMobile) {
|
| + return win.devicePixelRatio;
|
| + } else if (win.matchMedia) {
|
| + return goog.dom.matchesPixelRatio_(.75) ||
|
| + goog.dom.matchesPixelRatio_(1.5) ||
|
| + goog.dom.matchesPixelRatio_(2) ||
|
| + goog.dom.matchesPixelRatio_(3) || 1;
|
| + }
|
| + return 1;
|
| +});
|
| +
|
| +
|
| +/**
|
| + * Calculates a mediaQuery to check if the current device supports the
|
| + * given actual to virtual pixel ratio.
|
| + * @param {number} pixelRatio The ratio of actual pixels to virtual pixels.
|
| + * @return {number} pixelRatio if applicable, otherwise 0.
|
| + * @private
|
| + */
|
| +goog.dom.matchesPixelRatio_ = function(pixelRatio) {
|
| + var win = goog.dom.getWindow();
|
| + var query = ('(-webkit-min-device-pixel-ratio: ' + pixelRatio + '),' +
|
| + '(min--moz-device-pixel-ratio: ' + pixelRatio + '),' +
|
| + '(min-resolution: ' + pixelRatio + 'dppx)');
|
| + return win.matchMedia(query).matches ? pixelRatio : 0;
|
| +};
|
| +
|
| +
|
| +
|
| +/**
|
| + * Create an instance of a DOM helper with a new document object.
|
| + * @param {Document=} opt_document Document object to associate with this
|
| + * DOM helper.
|
| + * @constructor
|
| + */
|
| +goog.dom.DomHelper = function(opt_document) {
|
| + /**
|
| + * Reference to the document object to use
|
| + * @type {!Document}
|
| + * @private
|
| + */
|
| + this.document_ = opt_document || goog.global.document || document;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Gets the dom helper object for the document where the element resides.
|
| + * @param {Node=} opt_node If present, gets the DomHelper for this node.
|
| + * @return {!goog.dom.DomHelper} The DomHelper.
|
| + */
|
| +goog.dom.DomHelper.prototype.getDomHelper = goog.dom.getDomHelper;
|
| +
|
| +
|
| +/**
|
| + * Sets the document object.
|
| + * @param {!Document} document Document object.
|
| + */
|
| +goog.dom.DomHelper.prototype.setDocument = function(document) {
|
| + this.document_ = document;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Gets the document object being used by the dom library.
|
| + * @return {!Document} Document object.
|
| + */
|
| +goog.dom.DomHelper.prototype.getDocument = function() {
|
| + return this.document_;
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Alias for {@code getElementById}. If a DOM node is passed in then we just
|
| + * return that.
|
| + * @param {string|Element} element Element ID or a DOM node.
|
| + * @return {Element} The element with the given ID, or the node passed in.
|
| + */
|
| +goog.dom.DomHelper.prototype.getElement = function(element) {
|
| + return goog.dom.getElementHelper_(this.document_, element);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Gets an element by id, asserting that the element is found.
|
| + *
|
| + * This is used when an element is expected to exist, and should fail with
|
| + * an assertion error if it does not (if assertions are enabled).
|
| + *
|
| + * @param {string} id Element ID.
|
| + * @return {!Element} The element with the given ID, if it exists.
|
| + */
|
| +goog.dom.DomHelper.prototype.getRequiredElement = function(id) {
|
| + return goog.dom.getRequiredElementHelper_(this.document_, id);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Alias for {@code getElement}.
|
| + * @param {string|Element} element Element ID or a DOM node.
|
| + * @return {Element} The element with the given ID, or the node passed in.
|
| + * @deprecated Use {@link goog.dom.DomHelper.prototype.getElement} instead.
|
| + */
|
| +goog.dom.DomHelper.prototype.$ = goog.dom.DomHelper.prototype.getElement;
|
| +
|
| +
|
| +/**
|
| + * Looks up elements by both tag and class name, using browser native functions
|
| + * ({@code querySelectorAll}, {@code getElementsByTagName} or
|
| + * {@code getElementsByClassName}) where possible. The returned array is a live
|
| + * NodeList or a static list depending on the code path taken.
|
| + *
|
| + * @see goog.dom.query
|
| + *
|
| + * @param {?string=} opt_tag Element tag name or * for all tags.
|
| + * @param {?string=} opt_class Optional class name.
|
| + * @param {(Document|Element)=} opt_el Optional element to look in.
|
| + * @return { {length: number} } Array-like list of elements (only a length
|
| + * property and numerical indices are guaranteed to exist).
|
| + */
|
| +goog.dom.DomHelper.prototype.getElementsByTagNameAndClass = function(opt_tag,
|
| + opt_class,
|
| + opt_el) {
|
| + return goog.dom.getElementsByTagNameAndClass_(this.document_, opt_tag,
|
| + opt_class, opt_el);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns an array of all the elements with the provided className.
|
| + * @see {goog.dom.query}
|
| + * @param {string} className the name of the class to look for.
|
| + * @param {Element|Document=} opt_el Optional element to look in.
|
| + * @return { {length: number} } The items found with the class name provided.
|
| + */
|
| +goog.dom.DomHelper.prototype.getElementsByClass = function(className, opt_el) {
|
| + var doc = opt_el || this.document_;
|
| + return goog.dom.getElementsByClass(className, doc);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns the first element we find matching the provided class name.
|
| + * @see {goog.dom.query}
|
| + * @param {string} className the name of the class to look for.
|
| + * @param {(Element|Document)=} opt_el Optional element to look in.
|
| + * @return {Element} The first item found with the class name provided.
|
| + */
|
| +goog.dom.DomHelper.prototype.getElementByClass = function(className, opt_el) {
|
| + var doc = opt_el || this.document_;
|
| + return goog.dom.getElementByClass(className, doc);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Ensures an element with the given className exists, and then returns the
|
| + * first element with the provided className.
|
| + * @see {goog.dom.query}
|
| + * @param {string} className the name of the class to look for.
|
| + * @param {(!Element|!Document)=} opt_root Optional element or document to look
|
| + * in.
|
| + * @return {!Element} The first item found with the class name provided.
|
| + * @throws {goog.asserts.AssertionError} Thrown if no element is found.
|
| + */
|
| +goog.dom.DomHelper.prototype.getRequiredElementByClass = function(className,
|
| + opt_root) {
|
| + var root = opt_root || this.document_;
|
| + return goog.dom.getRequiredElementByClass(className, root);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Alias for {@code getElementsByTagNameAndClass}.
|
| + * @deprecated Use DomHelper getElementsByTagNameAndClass.
|
| + * @see goog.dom.query
|
| + *
|
| + * @param {?string=} opt_tag Element tag name.
|
| + * @param {?string=} opt_class Optional class name.
|
| + * @param {Element=} opt_el Optional element to look in.
|
| + * @return { {length: number} } Array-like list of elements (only a length
|
| + * property and numerical indices are guaranteed to exist).
|
| + */
|
| +goog.dom.DomHelper.prototype.$$ =
|
| + goog.dom.DomHelper.prototype.getElementsByTagNameAndClass;
|
| +
|
| +
|
| +/**
|
| + * Sets a number of properties on a node.
|
| + * @param {Element} element DOM node to set properties on.
|
| + * @param {Object} properties Hash of property:value pairs.
|
| + */
|
| +goog.dom.DomHelper.prototype.setProperties = goog.dom.setProperties;
|
| +
|
| +
|
| +/**
|
| + * Gets the dimensions of the viewport.
|
| + * @param {Window=} opt_window Optional window element to test. Defaults to
|
| + * the window of the Dom Helper.
|
| + * @return {!goog.math.Size} Object with values 'width' and 'height'.
|
| + */
|
| +goog.dom.DomHelper.prototype.getViewportSize = function(opt_window) {
|
| + // TODO(arv): This should not take an argument. That breaks the rule of a
|
| + // a DomHelper representing a single frame/window/document.
|
| + return goog.dom.getViewportSize(opt_window || this.getWindow());
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Calculates the height of the document.
|
| + *
|
| + * @return {number} The height of the document.
|
| + */
|
| +goog.dom.DomHelper.prototype.getDocumentHeight = function() {
|
| + return goog.dom.getDocumentHeight_(this.getWindow());
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Typedef for use with goog.dom.createDom and goog.dom.append.
|
| + * @typedef {Object|string|Array|NodeList}
|
| + */
|
| +goog.dom.Appendable;
|
| +
|
| +
|
| +/**
|
| + * Returns a dom node with a set of attributes. This function accepts varargs
|
| + * for subsequent nodes to be added. Subsequent nodes will be added to the
|
| + * first node as childNodes.
|
| + *
|
| + * So:
|
| + * <code>createDom('div', null, createDom('p'), createDom('p'));</code>
|
| + * would return a div with two child paragraphs
|
| + *
|
| + * An easy way to move all child nodes of an existing element to a new parent
|
| + * element is:
|
| + * <code>createDom('div', null, oldElement.childNodes);</code>
|
| + * which will remove all child nodes from the old element and add them as
|
| + * child nodes of the new DIV.
|
| + *
|
| + * @param {string} tagName Tag to create.
|
| + * @param {Object|string=} opt_attributes If object, then a map of name-value
|
| + * pairs for attributes. If a string, then this is the className of the new
|
| + * element.
|
| + * @param {...goog.dom.Appendable} var_args Further DOM nodes or
|
| + * strings for text nodes. If one of the var_args is an array or
|
| + * NodeList, its elements will be added as childNodes instead.
|
| + * @return {!Element} Reference to a DOM node.
|
| + */
|
| +goog.dom.DomHelper.prototype.createDom = function(tagName,
|
| + opt_attributes,
|
| + var_args) {
|
| + return goog.dom.createDom_(this.document_, arguments);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Alias for {@code createDom}.
|
| + * @param {string} tagName Tag to create.
|
| + * @param {(Object|string)=} opt_attributes If object, then a map of name-value
|
| + * pairs for attributes. If a string, then this is the className of the new
|
| + * element.
|
| + * @param {...goog.dom.Appendable} var_args Further DOM nodes or strings for
|
| + * text nodes. If one of the var_args is an array, its children will be
|
| + * added as childNodes instead.
|
| + * @return {!Element} Reference to a DOM node.
|
| + * @deprecated Use {@link goog.dom.DomHelper.prototype.createDom} instead.
|
| + */
|
| +goog.dom.DomHelper.prototype.$dom = goog.dom.DomHelper.prototype.createDom;
|
| +
|
| +
|
| +/**
|
| + * Creates a new element.
|
| + * @param {string} name Tag name.
|
| + * @return {!Element} The new element.
|
| + */
|
| +goog.dom.DomHelper.prototype.createElement = function(name) {
|
| + return this.document_.createElement(name);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Creates a new text node.
|
| + * @param {number|string} content Content.
|
| + * @return {!Text} The new text node.
|
| + */
|
| +goog.dom.DomHelper.prototype.createTextNode = function(content) {
|
| + return this.document_.createTextNode(String(content));
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Create a table.
|
| + * @param {number} rows The number of rows in the table. Must be >= 1.
|
| + * @param {number} columns The number of columns in the table. Must be >= 1.
|
| + * @param {boolean=} opt_fillWithNbsp If true, fills table entries with nsbps.
|
| + * @return {!Element} The created table.
|
| + */
|
| +goog.dom.DomHelper.prototype.createTable = function(rows, columns,
|
| + opt_fillWithNbsp) {
|
| + return goog.dom.createTable_(this.document_, rows, columns,
|
| + !!opt_fillWithNbsp);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Converts an HTML string into a node or a document fragment. A single Node
|
| + * is used if the {@code htmlString} only generates a single node. If the
|
| + * {@code htmlString} generates multiple nodes then these are put inside a
|
| + * {@code DocumentFragment}.
|
| + *
|
| + * @param {string} htmlString The HTML string to convert.
|
| + * @return {!Node} The resulting node.
|
| + */
|
| +goog.dom.DomHelper.prototype.htmlToDocumentFragment = function(htmlString) {
|
| + return goog.dom.htmlToDocumentFragment_(this.document_, htmlString);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Returns true if the browser is in "CSS1-compatible" (standards-compliant)
|
| + * mode, false otherwise.
|
| + * @return {boolean} True if in CSS1-compatible mode.
|
| + */
|
| +goog.dom.DomHelper.prototype.isCss1CompatMode = function() {
|
| + return goog.dom.isCss1CompatMode_(this.document_);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Gets the window object associated with the document.
|
| + * @return {!Window} The window associated with the given document.
|
| + */
|
| +goog.dom.DomHelper.prototype.getWindow = function() {
|
| + return goog.dom.getWindow_(this.document_);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Gets the document scroll element.
|
| + * @return {!Element} Scrolling element.
|
| + */
|
| +goog.dom.DomHelper.prototype.getDocumentScrollElement = function() {
|
| + return goog.dom.getDocumentScrollElement_(this.document_);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Gets the document scroll distance as a coordinate object.
|
| + * @return {!goog.math.Coordinate} Object with properties 'x' and 'y'.
|
| + */
|
| +goog.dom.DomHelper.prototype.getDocumentScroll = function() {
|
| + return goog.dom.getDocumentScroll_(this.document_);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Determines the active element in the given document.
|
| + * @param {Document=} opt_doc The document to look in.
|
| + * @return {Element} The active element.
|
| + */
|
| +goog.dom.DomHelper.prototype.getActiveElement = function(opt_doc) {
|
| + return goog.dom.getActiveElement(opt_doc || this.document_);
|
| +};
|
| +
|
| +
|
| +/**
|
| + * Appends a child to a node.
|
| + * @param {Node} parent Parent.
|
| + * @param {Node} child Child.
|
| + */
|
| +goog.dom.DomHelper.prototype.appendChild = goog.dom.appendChild;
|
| +
|
| +
|
| +/**
|
| + * Appends a node with text or other nodes.
|
| + * @param {!Node} parent The node to append nodes to.
|
| + * @param {...goog.dom.Appendable} var_args The things to append to the node.
|
| + * If this is a Node it is appended as is.
|
| + * If this is a string then a text node is appended.
|
| + * If this is an array like object then fields 0 to length - 1 are appended.
|
| + */
|
| +goog.dom.DomHelper.prototype.append = goog.dom.append;
|
| +
|
| +
|
| +/**
|
| + * Determines if the given node can contain children, intended to be used for
|
| + * HTML generation.
|
| + *
|
| + * @param {Node} node The node to check.
|
| + * @return {boolean} Whether the node can contain children.
|
| + */
|
| +goog.dom.DomHelper.prototype.canHaveChildren = goog.dom.canHaveChildren;
|
| +
|
| +
|
| +/**
|
| + * Removes all the child nodes on a DOM node.
|
| + * @param {Node} node Node to remove children from.
|
| + */
|
| +goog.dom.DomHelper.prototype.removeChildren = goog.dom.removeChildren;
|
| +
|
| +
|
| +/**
|
| + * Inserts a new node before an existing reference node (i.e., as the previous
|
| + * sibling). If the reference node has no parent, then does nothing.
|
| + * @param {Node} newNode Node to insert.
|
| + * @param {Node} refNode Reference node to insert before.
|
| + */
|
| +goog.dom.DomHelper.prototype.insertSiblingBefore = goog.dom.insertSiblingBefore;
|
| +
|
| +
|
| +/**
|
| + * Inserts a new node after an existing reference node (i.e., as the next
|
| + * sibling). If the reference node has no parent, then does nothing.
|
| + * @param {Node} newNode Node to insert.
|
| + * @param {Node} refNode Reference node to insert after.
|
| + */
|
| +goog.dom.DomHelper.prototype.insertSiblingAfter = goog.dom.insertSiblingAfter;
|
| +
|
| +
|
| +/**
|
| + * Insert a child at a given index. If index is larger than the number of child
|
| + * nodes that the parent currently has, the node is inserted as the last child
|
| + * node.
|
| + * @param {Element} parent The element into which to insert the child.
|
| + * @param {Node} child The element to insert.
|
| + * @param {number} index The index at which to insert the new child node. Must
|
| + * not be negative.
|
| + */
|
| +goog.dom.DomHelper.prototype.insertChildAt = goog.dom.insertChildAt;
|
| +
|
| +
|
| +/**
|
| + * Removes a node from its parent.
|
| + * @param {Node} node The node to remove.
|
| + * @return {Node} The node removed if removed; else, null.
|
| + */
|
| +goog.dom.DomHelper.prototype.removeNode = goog.dom.removeNode;
|
| +
|
| +
|
| +/**
|
| + * Replaces a node in the DOM tree. Will do nothing if {@code oldNode} has no
|
| + * parent.
|
| + * @param {Node} newNode Node to insert.
|
| + * @param {Node} oldNode Node to replace.
|
| + */
|
| +goog.dom.DomHelper.prototype.replaceNode = goog.dom.replaceNode;
|
| +
|
| +
|
| +/**
|
| + * Flattens an element. That is, removes it and replace it with its children.
|
| + * @param {Element} element The element to flatten.
|
| + * @return {Element|undefined} The original element, detached from the document
|
| + * tree, sans children, or undefined if the element was already not in the
|
| + * document.
|
| + */
|
| +goog.dom.DomHelper.prototype.flattenElement = goog.dom.flattenElement;
|
| +
|
| +
|
| +/**
|
| + * Returns an array containing just the element children of the given element.
|
| + * @param {Element} element The element whose element children we want.
|
| + * @return {!(Array|NodeList)} An array or array-like list of just the element
|
| + * children of the given element.
|
| + */
|
| +goog.dom.DomHelper.prototype.getChildren = goog.dom.getChildren;
|
| +
|
| +
|
| +/**
|
| + * Returns the first child node that is an element.
|
| + * @param {Node} node The node to get the first child element of.
|
| + * @return {Element} The first child node of {@code node} that is an element.
|
| + */
|
| +goog.dom.DomHelper.prototype.getFirstElementChild =
|
| + goog.dom.getFirstElementChild;
|
| +
|
| +
|
| +/**
|
| + * Returns the last child node that is an element.
|
| + * @param {Node} node The node to get the last child element of.
|
| + * @return {Element} The last child node of {@code node} that is an element.
|
| + */
|
| +goog.dom.DomHelper.prototype.getLastElementChild = goog.dom.getLastElementChild;
|
| +
|
| +
|
| +/**
|
| + * Returns the first next sibling that is an element.
|
| + * @param {Node} node The node to get the next sibling element of.
|
| + * @return {Element} The next sibling of {@code node} that is an element.
|
| + */
|
| +goog.dom.DomHelper.prototype.getNextElementSibling =
|
| + goog.dom.getNextElementSibling;
|
| +
|
| +
|
| +/**
|
| + * Returns the first previous sibling that is an element.
|
| + * @param {Node} node The node to get the previous sibling element of.
|
| + * @return {Element} The first previous sibling of {@code node} that is
|
| + * an element.
|
| + */
|
| +goog.dom.DomHelper.prototype.getPreviousElementSibling =
|
| + goog.dom.getPreviousElementSibling;
|
| +
|
| +
|
| +/**
|
| + * Returns the next node in source order from the given node.
|
| + * @param {Node} node The node.
|
| + * @return {Node} The next node in the DOM tree, or null if this was the last
|
| + * node.
|
| + */
|
| +goog.dom.DomHelper.prototype.getNextNode = goog.dom.getNextNode;
|
| +
|
| +
|
| +/**
|
| + * Returns the previous node in source order from the given node.
|
| + * @param {Node} node The node.
|
| + * @return {Node} The previous node in the DOM tree, or null if this was the
|
| + * first node.
|
| + */
|
| +goog.dom.DomHelper.prototype.getPreviousNode = goog.dom.getPreviousNode;
|
| +
|
| +
|
| +/**
|
| + * Whether the object looks like a DOM node.
|
| + * @param {?} obj The object being tested for node likeness.
|
| + * @return {boolean} Whether the object looks like a DOM node.
|
| + */
|
| +goog.dom.DomHelper.prototype.isNodeLike = goog.dom.isNodeLike;
|
| +
|
| +
|
| +/**
|
| + * Whether the object looks like an Element.
|
| + * @param {?} obj The object being tested for Element likeness.
|
| + * @return {boolean} Whether the object looks like an Element.
|
| + */
|
| +goog.dom.DomHelper.prototype.isElement = goog.dom.isElement;
|
| +
|
| +
|
| +/**
|
| + * Returns true if the specified value is a Window object. This includes the
|
| + * global window for HTML pages, and iframe windows.
|
| + * @param {?} obj Variable to test.
|
| + * @return {boolean} Whether the variable is a window.
|
| + */
|
| +goog.dom.DomHelper.prototype.isWindow = goog.dom.isWindow;
|
| +
|
| +
|
| +/**
|
| + * Returns an element's parent, if it's an Element.
|
| + * @param {Element} element The DOM element.
|
| + * @return {Element} The parent, or null if not an Element.
|
| + */
|
| +goog.dom.DomHelper.prototype.getParentElement = goog.dom.getParentElement;
|
| +
|
| +
|
| +/**
|
| + * Whether a node contains another node.
|
| + * @param {Node} parent The node that should contain the other node.
|
| + * @param {Node} descendant The node to test presence of.
|
| + * @return {boolean} Whether the parent node contains the descendent node.
|
| + */
|
| +goog.dom.DomHelper.prototype.contains = goog.dom.contains;
|
| +
|
| +
|
| +/**
|
| + * Compares the document order of two nodes, returning 0 if they are the same
|
| + * node, a negative number if node1 is before node2, and a positive number if
|
| + * node2 is before node1. Note that we compare the order the tags appear in the
|
| + * document so in the tree <b><i>text</i></b> the B node is considered to be
|
| + * before the I node.
|
| + *
|
| + * @param {Node} node1 The first node to compare.
|
| + * @param {Node} node2 The second node to compare.
|
| + * @return {number} 0 if the nodes are the same node, a negative number if node1
|
| + * is before node2, and a positive number if node2 is before node1.
|
| + */
|
| +goog.dom.DomHelper.prototype.compareNodeOrder = goog.dom.compareNodeOrder;
|
| +
|
| +
|
| +/**
|
| + * Find the deepest common ancestor of the given nodes.
|
| + * @param {...Node} var_args The nodes to find a common ancestor of.
|
| + * @return {Node} The common ancestor of the nodes, or null if there is none.
|
| + * null will only be returned if two or more of the nodes are from different
|
| + * documents.
|
| + */
|
| +goog.dom.DomHelper.prototype.findCommonAncestor = goog.dom.findCommonAncestor;
|
| +
|
| +
|
| +/**
|
| + * Returns the owner document for a node.
|
| + * @param {Node} node The node to get the document for.
|
| + * @return {!Document} The document owning the node.
|
| + */
|
| +goog.dom.DomHelper.prototype.getOwnerDocument = goog.dom.getOwnerDocument;
|
| +
|
| +
|
| +/**
|
| + * Cross browser function for getting the document element of an iframe.
|
| + * @param {Element} iframe Iframe element.
|
| + * @return {!Document} The frame content document.
|
| + */
|
| +goog.dom.DomHelper.prototype.getFrameContentDocument =
|
| + goog.dom.getFrameContentDocument;
|
| +
|
| +
|
| +/**
|
| + * Cross browser function for getting the window of a frame or iframe.
|
| + * @param {Element} frame Frame element.
|
| + * @return {Window} The window associated with the given frame.
|
| + */
|
| +goog.dom.DomHelper.prototype.getFrameContentWindow =
|
| + goog.dom.getFrameContentWindow;
|
| +
|
| +
|
| +/**
|
| + * Sets the text content of a node, with cross-browser support.
|
| + * @param {Node} node The node to change the text content of.
|
| + * @param {string|number} text The value that should replace the node's content.
|
| + */
|
| +goog.dom.DomHelper.prototype.setTextContent = goog.dom.setTextContent;
|
| +
|
| +
|
| +/**
|
| + * Gets the outerHTML of a node, which islike innerHTML, except that it
|
| + * actually contains the HTML of the node itself.
|
| + * @param {Element} element The element to get the HTML of.
|
| + * @return {string} The outerHTML of the given element.
|
| + */
|
| +goog.dom.DomHelper.prototype.getOuterHtml = goog.dom.getOuterHtml;
|
| +
|
| +
|
| +/**
|
| + * Finds the first descendant node that matches the filter function. This does
|
| + * a depth first search.
|
| + * @param {Node} root The root of the tree to search.
|
| + * @param {function(Node) : boolean} p The filter function.
|
| + * @return {Node|undefined} The found node or undefined if none is found.
|
| + */
|
| +goog.dom.DomHelper.prototype.findNode = goog.dom.findNode;
|
| +
|
| +
|
| +/**
|
| + * Finds all the descendant nodes that matches the filter function. This does a
|
| + * depth first search.
|
| + * @param {Node} root The root of the tree to search.
|
| + * @param {function(Node) : boolean} p The filter function.
|
| + * @return {Array.<Node>} The found nodes or an empty array if none are found.
|
| + */
|
| +goog.dom.DomHelper.prototype.findNodes = goog.dom.findNodes;
|
| +
|
| +
|
| +/**
|
| + * Returns true if the element has a tab index that allows it to receive
|
| + * keyboard focus (tabIndex >= 0), false otherwise. Note that some elements
|
| + * natively support keyboard focus, even if they have no tab index.
|
| + * @param {Element} element Element to check.
|
| + * @return {boolean} Whether the element has a tab index that allows keyboard
|
| + * focus.
|
| + */
|
| +goog.dom.DomHelper.prototype.isFocusableTabIndex = goog.dom.isFocusableTabIndex;
|
| +
|
| +
|
| +/**
|
| + * Enables or disables keyboard focus support on the element via its tab index.
|
| + * Only elements for which {@link goog.dom.isFocusableTabIndex} returns true
|
| + * (or elements that natively support keyboard focus, like form elements) can
|
| + * receive keyboard focus. See http://go/tabindex for more info.
|
| + * @param {Element} element Element whose tab index is to be changed.
|
| + * @param {boolean} enable Whether to set or remove a tab index on the element
|
| + * that supports keyboard focus.
|
| + */
|
| +goog.dom.DomHelper.prototype.setFocusableTabIndex =
|
| + goog.dom.setFocusableTabIndex;
|
| +
|
| +
|
| +/**
|
| + * Returns true if the element can be focused, i.e. it has a tab index that
|
| + * allows it to receive keyboard focus (tabIndex >= 0), or it is an element
|
| + * that natively supports keyboard focus.
|
| + * @param {Element} element Element to check.
|
| + * @return {boolean} Whether the element allows keyboard focus.
|
| + */
|
| +goog.dom.DomHelper.prototype.isFocusable = goog.dom.isFocusable;
|
| +
|
| +
|
| +/**
|
| + * Returns the text contents of the current node, without markup. New lines are
|
| + * stripped and whitespace is collapsed, such that each character would be
|
| + * visible.
|
| + *
|
| + * In browsers that support it, innerText is used. Other browsers attempt to
|
| + * simulate it via node traversal. Line breaks are canonicalized in IE.
|
| + *
|
| + * @param {Node} node The node from which we are getting content.
|
| + * @return {string} The text content.
|
| + */
|
| +goog.dom.DomHelper.prototype.getTextContent = goog.dom.getTextContent;
|
| +
|
| +
|
| +/**
|
| + * Returns the text length of the text contained in a node, without markup. This
|
| + * is equivalent to the selection length if the node was selected, or the number
|
| + * of cursor movements to traverse the node. Images & BRs take one space. New
|
| + * lines are ignored.
|
| + *
|
| + * @param {Node} node The node whose text content length is being calculated.
|
| + * @return {number} The length of {@code node}'s text content.
|
| + */
|
| +goog.dom.DomHelper.prototype.getNodeTextLength = goog.dom.getNodeTextLength;
|
| +
|
| +
|
| +/**
|
| + * Returns the text offset of a node relative to one of its ancestors. The text
|
| + * length is the same as the length calculated by
|
| + * {@code goog.dom.getNodeTextLength}.
|
| + *
|
| + * @param {Node} node The node whose offset is being calculated.
|
| + * @param {Node=} opt_offsetParent Defaults to the node's owner document's body.
|
| + * @return {number} The text offset.
|
| + */
|
| +goog.dom.DomHelper.prototype.getNodeTextOffset = goog.dom.getNodeTextOffset;
|
| +
|
| +
|
| +/**
|
| + * Returns the node at a given offset in a parent node. If an object is
|
| + * provided for the optional third parameter, the node and the remainder of the
|
| + * offset will stored as properties of this object.
|
| + * @param {Node} parent The parent node.
|
| + * @param {number} offset The offset into the parent node.
|
| + * @param {Object=} opt_result Object to be used to store the return value. The
|
| + * return value will be stored in the form {node: Node, remainder: number}
|
| + * if this object is provided.
|
| + * @return {Node} The node at the given offset.
|
| + */
|
| +goog.dom.DomHelper.prototype.getNodeAtOffset = goog.dom.getNodeAtOffset;
|
| +
|
| +
|
| +/**
|
| + * Returns true if the object is a {@code NodeList}. To qualify as a NodeList,
|
| + * the object must have a numeric length property and an item function (which
|
| + * has type 'string' on IE for some reason).
|
| + * @param {Object} val Object to test.
|
| + * @return {boolean} Whether the object is a NodeList.
|
| + */
|
| +goog.dom.DomHelper.prototype.isNodeList = goog.dom.isNodeList;
|
| +
|
| +
|
| +/**
|
| + * Walks up the DOM hierarchy returning the first ancestor that has the passed
|
| + * tag name and/or class name. If the passed element matches the specified
|
| + * criteria, the element itself is returned.
|
| + * @param {Node} element The DOM node to start with.
|
| + * @param {?(goog.dom.TagName|string)=} opt_tag The tag name to match (or
|
| + * null/undefined to match only based on class name).
|
| + * @param {?string=} opt_class The class name to match (or null/undefined to
|
| + * match only based on tag name).
|
| + * @return {Element} The first ancestor that matches the passed criteria, or
|
| + * null if no match is found.
|
| + */
|
| +goog.dom.DomHelper.prototype.getAncestorByTagNameAndClass =
|
| + goog.dom.getAncestorByTagNameAndClass;
|
| +
|
| +
|
| +/**
|
| + * Walks up the DOM hierarchy returning the first ancestor that has the passed
|
| + * class name. If the passed element matches the specified criteria, the
|
| + * element itself is returned.
|
| + * @param {Node} element The DOM node to start with.
|
| + * @param {string} class The class name to match.
|
| + * @return {Element} The first ancestor that matches the passed criteria, or
|
| + * null if none match.
|
| + */
|
| +goog.dom.DomHelper.prototype.getAncestorByClass =
|
| + goog.dom.getAncestorByClass;
|
| +
|
| +
|
| +/**
|
| + * Walks up the DOM hierarchy returning the first ancestor that passes the
|
| + * matcher function.
|
| + * @param {Node} element The DOM node to start with.
|
| + * @param {function(Node) : boolean} matcher A function that returns true if the
|
| + * passed node matches the desired criteria.
|
| + * @param {boolean=} opt_includeNode If true, the node itself is included in
|
| + * the search (the first call to the matcher will pass startElement as
|
| + * the node to test).
|
| + * @param {number=} opt_maxSearchSteps Maximum number of levels to search up the
|
| + * dom.
|
| + * @return {Node} DOM node that matched the matcher, or null if there was
|
| + * no match.
|
| + */
|
| +goog.dom.DomHelper.prototype.getAncestor = goog.dom.getAncestor;
|
|
|
Chromium Code Reviews
Issue 674153004:
Add third_party/google-input-tools: Take 2 (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@google_input_tools