| Index: third_party/document_image_extractor/third_party/closure-library/closure/goog/dom/dom.js
|
| diff --git a/third_party/document_image_extractor/third_party/closure-library/closure/goog/dom/dom.js b/third_party/document_image_extractor/third_party/closure-library/closure/goog/dom/dom.js
|
| deleted file mode 100644
|
| index 2d0cdd028895ecf01319d87767f7e5c2d16b7f65..0000000000000000000000000000000000000000
|
| --- a/third_party/document_image_extractor/third_party/closure-library/closure/goog/dom/dom.js
|
| +++ /dev/null
|
| @@ -1,2989 +0,0 @@
|
| -// 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.
|
| - *
|
| - * @author arv@google.com (Erik Arvidsson)
|
| - */
|
| -
|
| -
|
| -// 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.dom.safe');
|
| -goog.require('goog.html.SafeHtml');
|
| -goog.require('goog.math.Coordinate');
|
| -goog.require('goog.math.Size');
|
| -goog.require('goog.object');
|
| -goog.require('goog.string');
|
| -goog.require('goog.string.Unicode');
|
| -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 (parent.getElementsByClassName) {
|
| - retVal = parent.getElementsByClassName(className)[0];
|
| - } else 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|null} 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.
|
| - *
|
| - * @private {!Object<string, string>}
|
| - * @const
|
| - */
|
| -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.
|
| -
|
| - var body = doc.body;
|
| - var docEl = doc.documentElement;
|
| - if (!(docEl && body)) {
|
| - 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
|
| - * {@code goog.string.Unicode.NBSP} characters.
|
| - * @return {!Element} The created table.
|
| - */
|
| -goog.dom.createTable = function(rows, columns, opt_fillWithNbsp) {
|
| - // TODO(user): Return HTMLTableElement, also in prototype function.
|
| - // Callers need to be updated to e.g. not assign numbers to table.cellSpacing.
|
| - 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
|
| - * {@code goog.string.Unicode.NBSP} characters.
|
| - * @return {!HTMLTableElement} The created table.
|
| - * @private
|
| - */
|
| -goog.dom.createTable_ = function(doc, rows, columns, fillWithNbsp) {
|
| - var table = /** @type {!HTMLTableElement} */
|
| - (doc.createElement(goog.dom.TagName.TABLE));
|
| - var tbody = table.appendChild(doc.createElement(goog.dom.TagName.TBODY));
|
| - for (var i = 0; i < rows; i++) {
|
| - var tr = doc.createElement(goog.dom.TagName.TR);
|
| - for (var j = 0; j < columns; j++) {
|
| - var td = doc.createElement(goog.dom.TagName.TD);
|
| - // IE <= 9 will create a text node if we set text content to the empty
|
| - // string, so we avoid doing it unless necessary. This ensures that the
|
| - // same DOM tree is returned on all browsers.
|
| - if (fillWithNbsp) {
|
| - goog.dom.setTextContent(td, goog.string.Unicode.NBSP);
|
| - }
|
| - tr.appendChild(td);
|
| - }
|
| - tbody.appendChild(tr);
|
| - }
|
| - return table;
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Converts HTML markup into a node.
|
| - * @param {!goog.html.SafeHtml} html The HTML markup to convert.
|
| - * @return {!Node} The resulting node.
|
| - */
|
| -goog.dom.safeHtmlToNode = function(html) {
|
| - return goog.dom.safeHtmlToNode_(document, html);
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Helper for {@code safeHtmlToNode}.
|
| - * @param {!Document} doc The document.
|
| - * @param {!goog.html.SafeHtml} html The HTML markup to convert.
|
| - * @return {!Node} The resulting node.
|
| - * @private
|
| - */
|
| -goog.dom.safeHtmlToNode_ = function(doc, html) {
|
| - var tempDiv = doc.createElement('div');
|
| - if (goog.dom.BrowserFeature.INNER_HTML_NEEDS_SCOPED_ELEMENT) {
|
| - goog.dom.safe.setInnerHtml(tempDiv,
|
| - goog.html.SafeHtml.concat(goog.html.SafeHtml.create('br'), html));
|
| - tempDiv.removeChild(tempDiv.firstChild);
|
| - } else {
|
| - goog.dom.safe.setInnerHtml(tempDiv, html);
|
| - }
|
| - return goog.dom.childrenToNode_(doc, tempDiv);
|
| -};
|
| -
|
| -
|
| -/**
|
| - * 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);
|
| -};
|
| -
|
| -
|
| -// TODO(jakubvrana): Merge with {@code safeHtmlToNode_}.
|
| -/**
|
| - * 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;
|
| - }
|
| - return goog.dom.childrenToNode_(doc, tempDiv);
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Helper for {@code htmlToDocumentFragment_}.
|
| - * @param {!Document} doc The document.
|
| - * @param {!Node} tempDiv The input node.
|
| - * @return {!Node} The resulting node.
|
| - * @private
|
| - */
|
| -goog.dom.childrenToNode_ = function(doc, tempDiv) {
|
| - if (tempDiv.childNodes.length == 1) {
|
| - return 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.
|
| - * @private {!Object<string, number>}
|
| - * @const
|
| - */
|
| -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.
|
| - * @private {!Object<string, string>}
|
| - * @const
|
| - */
|
| -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<string>} 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).
|
| - * @param {number=} opt_maxSearchSteps Maximum number of levels to search up the
|
| - * dom.
|
| - * @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,
|
| - opt_maxSearchSteps) {
|
| - 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, opt_maxSearchSteps));
|
| -};
|
| -
|
| -
|
| -/**
|
| - * 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.
|
| - * @param {number=} opt_maxSearchSteps Maximum number of levels to search up the
|
| - * dom.
|
| - * @return {Element} The first ancestor that matches the passed criteria, or
|
| - * null if none match.
|
| - */
|
| -goog.dom.getAncestorByClass = function(element, className, opt_maxSearchSteps) {
|
| - return goog.dom.getAncestorByTagNameAndClass(element, null, className,
|
| - opt_maxSearchSteps);
|
| -};
|
| -
|
| -
|
| -/**
|
| - * 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;
|
| -};
|
| -
|
| -
|
| -/**
|
| - * Gives the current devicePixelRatio.
|
| - *
|
| - * By default, this is the value of window.devicePixelRatio (which should be
|
| - * preferred if present).
|
| - *
|
| - * If window.devicePixelRatio is not present, the ratio is calculated with
|
| - * window.matchMedia, if present. Otherwise, gives 1.0.
|
| - *
|
| - * Some browsers (including Chrome) consider the browser zoom level in the pixel
|
| - * ratio, so the value may change across multiple calls.
|
| - *
|
| - * @return {number} The number of actual pixels per virtual pixel.
|
| - */
|
| -goog.dom.getPixelRatio = 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|null} 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
|
| - * {@code goog.string.Unicode.NBSP} characters.
|
| - * @return {!HTMLElement} 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 into a node or a document fragment. A single Node is used if
|
| - * {@code html} only generates a single node. If {@code html} generates multiple
|
| - * nodes then these are put inside a {@code DocumentFragment}.
|
| - * @param {!goog.html.SafeHtml} html The HTML markup to convert.
|
| - * @return {!Node} The resulting node.
|
| - */
|
| -goog.dom.DomHelper.prototype.safeHtmlToNode = function(html) {
|
| - return goog.dom.safeHtmlToNode_(this.document_, html);
|
| -};
|
| -
|
| -
|
| -/**
|
| - * 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).
|
| - * @param {number=} opt_maxSearchSteps Maximum number of levels to search up the
|
| - * dom.
|
| - * @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.
|
| - * @param {number=} opt_maxSearchSteps Maximum number of levels to search up the
|
| - * dom.
|
| - * @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 1138123002:
Update third_party/document_image_extractor (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master