429 lines
16 KiB
TypeScript

/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {ɵglobal as global} from '@angular/core';
import {setRootDomAdapter} from '../dom/dom_adapter';
import {GenericBrowserDomAdapter} from './generic_browser_adapter';
const _attrToPropMap = {
'class': 'className',
'innerHtml': 'innerHTML',
'readonly': 'readOnly',
'tabindex': 'tabIndex',
};
const DOM_KEY_LOCATION_NUMPAD = 3;
// Map to convert some key or keyIdentifier values to what will be returned by getEventKey
const _keyMap: {[k: string]: string} = {
// The following values are here for cross-browser compatibility and to match the W3C standard
// cf http://www.w3.org/TR/DOM-Level-3-Events-key/
'\b': 'Backspace',
'\t': 'Tab',
'\x7F': 'Delete',
'\x1B': 'Escape',
'Del': 'Delete',
'Esc': 'Escape',
'Left': 'ArrowLeft',
'Right': 'ArrowRight',
'Up': 'ArrowUp',
'Down': 'ArrowDown',
'Menu': 'ContextMenu',
'Scroll': 'ScrollLock',
'Win': 'OS'
};
// There is a bug in Chrome for numeric keypad keys:
// https://code.google.com/p/chromium/issues/detail?id=155654
// 1, 2, 3 ... are reported as A, B, C ...
const _chromeNumKeyPadMap = {
'A': '1',
'B': '2',
'C': '3',
'D': '4',
'E': '5',
'F': '6',
'G': '7',
'H': '8',
'I': '9',
'J': '*',
'K': '+',
'M': '-',
'N': '.',
'O': '/',
'\x60': '0',
'\x90': 'NumLock'
};
/**
* A `DomAdapter` powered by full browser DOM APIs.
*
* @security Tread carefully! Interacting with the DOM directly is dangerous and
* can introduce XSS risks.
*/
/* tslint:disable:requireParameterType no-console */
export class BrowserDomAdapter extends GenericBrowserDomAdapter {
parse(templateHtml: string) { throw new Error('parse not implemented'); }
static makeCurrent() { setRootDomAdapter(new BrowserDomAdapter()); }
hasProperty(element: Node, name: string): boolean { return name in element; }
setProperty(el: Node, name: string, value: any) { (<any>el)[name] = value; }
getProperty(el: Node, name: string): any { return (<any>el)[name]; }
invoke(el: Node, methodName: string, args: any[]): any { (<any>el)[methodName](...args); }
// TODO(tbosch): move this into a separate environment class once we have it
logError(error: string): void {
if (window.console) {
if (console.error) {
console.error(error);
} else {
console.log(error);
}
}
}
log(error: string): void {
if (window.console) {
window.console.log && window.console.log(error);
}
}
logGroup(error: string): void {
if (window.console) {
window.console.group && window.console.group(error);
}
}
logGroupEnd(): void {
if (window.console) {
window.console.groupEnd && window.console.groupEnd();
}
}
get attrToPropMap(): any { return _attrToPropMap; }
querySelector(el: Element, selector: string): any { return el.querySelector(selector); }
querySelectorAll(el: any, selector: string): any[] { return el.querySelectorAll(selector); }
on(el: Node, evt: any, listener: any) { el.addEventListener(evt, listener, false); }
onAndCancel(el: Node, evt: any, listener: any): Function {
el.addEventListener(evt, listener, false);
// Needed to follow Dart's subscription semantic, until fix of
// https://code.google.com/p/dart/issues/detail?id=17406
return () => { el.removeEventListener(evt, listener, false); };
}
dispatchEvent(el: Node, evt: any) { el.dispatchEvent(evt); }
createMouseEvent(eventType: string): MouseEvent {
const evt: MouseEvent = document.createEvent('MouseEvent');
evt.initEvent(eventType, true, true);
return evt;
}
createEvent(eventType: any): Event {
const evt: Event = document.createEvent('Event');
evt.initEvent(eventType, true, true);
return evt;
}
preventDefault(evt: Event) {
evt.preventDefault();
evt.returnValue = false;
}
isPrevented(evt: Event): boolean {
return evt.defaultPrevented || evt.returnValue != null && !evt.returnValue;
}
getInnerHTML(el: HTMLElement): string { return el.innerHTML; }
getTemplateContent(el: Node): Node {
return 'content' in el && el instanceof HTMLTemplateElement ? el.content : null;
}
getOuterHTML(el: HTMLElement): string { return el.outerHTML; }
nodeName(node: Node): string { return node.nodeName; }
nodeValue(node: Node): string { return node.nodeValue; }
type(node: HTMLInputElement): string { return node.type; }
content(node: Node): Node {
if (this.hasProperty(node, 'content')) {
return (<any>node).content;
} else {
return node;
}
}
firstChild(el: Node): Node { return el.firstChild; }
nextSibling(el: Node): Node { return el.nextSibling; }
parentElement(el: Node): Node { return el.parentNode; }
childNodes(el: any): Node[] { return el.childNodes; }
childNodesAsList(el: Node): any[] {
const childNodes = el.childNodes;
const res = new Array(childNodes.length);
for (let i = 0; i < childNodes.length; i++) {
res[i] = childNodes[i];
}
return res;
}
clearNodes(el: Node) {
while (el.firstChild) {
el.removeChild(el.firstChild);
}
}
appendChild(el: Node, node: Node) { el.appendChild(node); }
removeChild(el: Node, node: Node) { el.removeChild(node); }
replaceChild(el: Node, newChild: Node, oldChild: Node) { el.replaceChild(newChild, oldChild); }
remove(node: Node): Node {
if (node.parentNode) {
node.parentNode.removeChild(node);
}
return node;
}
insertBefore(parent: Node, ref: Node, node: Node) { parent.insertBefore(node, ref); }
insertAllBefore(parent: Node, ref: Node, nodes: Node[]) {
nodes.forEach((n: any) => parent.insertBefore(n, ref));
}
insertAfter(parent: Node, ref: Node, node: any) { parent.insertBefore(node, ref.nextSibling); }
setInnerHTML(el: Element, value: string) { el.innerHTML = value; }
getText(el: Node): string { return el.textContent; }
setText(el: Node, value: string) { el.textContent = value; }
getValue(el: any): string { return el.value; }
setValue(el: any, value: string) { el.value = value; }
getChecked(el: any): boolean { return el.checked; }
setChecked(el: any, value: boolean) { el.checked = value; }
createComment(text: string): Comment { return document.createComment(text); }
createTemplate(html: any): HTMLElement {
const t = document.createElement('template');
t.innerHTML = html;
return t;
}
createElement(tagName: string, doc = document): HTMLElement { return doc.createElement(tagName); }
createElementNS(ns: string, tagName: string, doc = document): Element {
return doc.createElementNS(ns, tagName);
}
createTextNode(text: string, doc = document): Text { return doc.createTextNode(text); }
createScriptTag(attrName: string, attrValue: string, doc = document): HTMLScriptElement {
const el = <HTMLScriptElement>doc.createElement('SCRIPT');
el.setAttribute(attrName, attrValue);
return el;
}
createStyleElement(css: string, doc = document): HTMLStyleElement {
const style = <HTMLStyleElement>doc.createElement('style');
this.appendChild(style, this.createTextNode(css));
return style;
}
createShadowRoot(el: HTMLElement): DocumentFragment { return (<any>el).createShadowRoot(); }
getShadowRoot(el: HTMLElement): DocumentFragment { return (<any>el).shadowRoot; }
getHost(el: HTMLElement): HTMLElement { return (<any>el).host; }
clone(node: Node): Node { return node.cloneNode(true); }
getElementsByClassName(element: any, name: string): HTMLElement[] {
return element.getElementsByClassName(name);
}
getElementsByTagName(element: any, name: string): HTMLElement[] {
return element.getElementsByTagName(name);
}
classList(element: any): any[] { return Array.prototype.slice.call(element.classList, 0); }
addClass(element: any, className: string) { element.classList.add(className); }
removeClass(element: any, className: string) { element.classList.remove(className); }
hasClass(element: any, className: string): boolean {
return element.classList.contains(className);
}
setStyle(element: any, styleName: string, styleValue: string) {
element.style[styleName] = styleValue;
}
removeStyle(element: any, stylename: string) {
// IE requires '' instead of null
// see https://github.com/angular/angular/issues/7916
element.style[stylename] = '';
}
getStyle(element: any, stylename: string): string { return element.style[stylename]; }
hasStyle(element: any, styleName: string, styleValue: string = null): boolean {
const value = this.getStyle(element, styleName) || '';
return styleValue ? value == styleValue : value.length > 0;
}
tagName(element: any): string { return element.tagName; }
attributeMap(element: any): Map<string, string> {
const res = new Map<string, string>();
const elAttrs = element.attributes;
for (let i = 0; i < elAttrs.length; i++) {
const attrib = elAttrs[i];
res.set(attrib.name, attrib.value);
}
return res;
}
hasAttribute(element: Element, attribute: string): boolean {
return element.hasAttribute(attribute);
}
hasAttributeNS(element: Element, ns: string, attribute: string): boolean {
return element.hasAttributeNS(ns, attribute);
}
getAttribute(element: Element, attribute: string): string {
return element.getAttribute(attribute);
}
getAttributeNS(element: Element, ns: string, name: string): string {
return element.getAttributeNS(ns, name);
}
setAttribute(element: Element, name: string, value: string) { element.setAttribute(name, value); }
setAttributeNS(element: Element, ns: string, name: string, value: string) {
element.setAttributeNS(ns, name, value);
}
removeAttribute(element: Element, attribute: string) { element.removeAttribute(attribute); }
removeAttributeNS(element: Element, ns: string, name: string) {
element.removeAttributeNS(ns, name);
}
templateAwareRoot(el: Node): any { return this.isTemplateElement(el) ? this.content(el) : el; }
createHtmlDocument(): HTMLDocument {
return document.implementation.createHTMLDocument('fakeTitle');
}
getBoundingClientRect(el: Element): any {
try {
return el.getBoundingClientRect();
} catch (e) {
return {top: 0, bottom: 0, left: 0, right: 0, width: 0, height: 0};
}
}
getTitle(doc: Document): string { return document.title; }
setTitle(doc: Document, newTitle: string) { document.title = newTitle || ''; }
elementMatches(n: any, selector: string): boolean {
if (n instanceof HTMLElement) {
return n.matches && n.matches(selector) ||
n.msMatchesSelector && n.msMatchesSelector(selector) ||
n.webkitMatchesSelector && n.webkitMatchesSelector(selector);
}
return false;
}
isTemplateElement(el: Node): boolean {
return el instanceof HTMLElement && el.nodeName == 'TEMPLATE';
}
isTextNode(node: Node): boolean { return node.nodeType === Node.TEXT_NODE; }
isCommentNode(node: Node): boolean { return node.nodeType === Node.COMMENT_NODE; }
isElementNode(node: Node): boolean { return node.nodeType === Node.ELEMENT_NODE; }
hasShadowRoot(node: any): boolean {
return node.shadowRoot != null && node instanceof HTMLElement;
}
isShadowRoot(node: any): boolean { return node instanceof DocumentFragment; }
importIntoDoc(node: Node): any { return document.importNode(this.templateAwareRoot(node), true); }
adoptNode(node: Node): any { return document.adoptNode(node); }
getHref(el: Element): string { return (<any>el).href; }
getEventKey(event: any): string {
let key = event.key;
if (key == null) {
key = event.keyIdentifier;
// keyIdentifier is defined in the old draft of DOM Level 3 Events implemented by Chrome and
// Safari cf
// http://www.w3.org/TR/2007/WD-DOM-Level-3-Events-20071221/events.html#Events-KeyboardEvents-Interfaces
if (key == null) {
return 'Unidentified';
}
if (key.startsWith('U+')) {
key = String.fromCharCode(parseInt(key.substring(2), 16));
if (event.location === DOM_KEY_LOCATION_NUMPAD && _chromeNumKeyPadMap.hasOwnProperty(key)) {
// There is a bug in Chrome for numeric keypad keys:
// https://code.google.com/p/chromium/issues/detail?id=155654
// 1, 2, 3 ... are reported as A, B, C ...
key = (_chromeNumKeyPadMap as any)[key];
}
}
}
return _keyMap[key] || key;
}
getGlobalEventTarget(doc: Document, target: string): EventTarget {
if (target === 'window') {
return window;
}
if (target === 'document') {
return document;
}
if (target === 'body') {
return document.body;
}
}
getHistory(): History { return window.history; }
getLocation(): Location { return window.location; }
getBaseHref(doc: Document): string {
const href = getBaseElementHref();
return href == null ? null : relativePath(href);
}
resetBaseElement(): void { baseElement = null; }
getUserAgent(): string { return window.navigator.userAgent; }
setData(element: Element, name: string, value: string) {
this.setAttribute(element, 'data-' + name, value);
}
getData(element: Element, name: string): string {
return this.getAttribute(element, 'data-' + name);
}
getComputedStyle(element: any): any { return getComputedStyle(element); }
// TODO(tbosch): move this into a separate environment class once we have it
setGlobalVar(path: string, value: any) { setValueOnPath(global, path, value); }
supportsWebAnimation(): boolean {
return typeof(<any>Element).prototype['animate'] === 'function';
}
performanceNow(): number {
// performance.now() is not available in all browsers, see
// http://caniuse.com/#search=performance.now
return window.performance && window.performance.now ? window.performance.now() :
new Date().getTime();
}
supportsCookies(): boolean { return true; }
getCookie(name: string): string { return parseCookieValue(document.cookie, name); }
setCookie(name: string, value: string) {
// document.cookie is magical, assigning into it assigns/overrides one cookie value, but does
// not clear other cookies.
document.cookie = encodeURIComponent(name) + '=' + encodeURIComponent(value);
}
}
let baseElement: HTMLElement = null;
function getBaseElementHref(): string {
if (!baseElement) {
baseElement = document.querySelector('base');
if (!baseElement) {
return null;
}
}
return baseElement.getAttribute('href');
}
// based on urlUtils.js in AngularJS 1
let urlParsingNode: any;
function relativePath(url: any): string {
if (!urlParsingNode) {
urlParsingNode = document.createElement('a');
}
urlParsingNode.setAttribute('href', url);
return (urlParsingNode.pathname.charAt(0) === '/') ? urlParsingNode.pathname :
'/' + urlParsingNode.pathname;
}
export function parseCookieValue(cookieStr: string, name: string): string {
name = encodeURIComponent(name);
for (const cookie of cookieStr.split(';')) {
const eqIndex = cookie.indexOf('=');
const [cookieName, cookieValue]: string[] =
eqIndex == -1 ? [cookie, ''] : [cookie.slice(0, eqIndex), cookie.slice(eqIndex + 1)];
if (cookieName.trim() === name) {
return decodeURIComponent(cookieValue);
}
}
return null;
}
export function setValueOnPath(global: any, path: string, value: any) {
const parts = path.split('.');
let obj: any = global;
while (parts.length > 1) {
const name = parts.shift();
if (obj.hasOwnProperty(name) && obj[name] != null) {
obj = obj[name];
} else {
obj = obj[name] = {};
}
}
if (obj === undefined || obj === null) {
obj = {};
}
obj[parts.shift()] = value;
}