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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // <include src="assert.js"> | 5 // <include src="assert.js"> |
6 | 6 |
7 /** | 7 /** |
8 * Alias for document.getElementById. Found elements must be HTMLElements. | 8 * Alias for document.getElementById. Found elements must be HTMLElements. |
9 * @param {string} id The ID of the element to find. | 9 * @param {string} id The ID of the element to find. |
10 * @return {HTMLElement} The found element or null if not found. | 10 * @return {HTMLElement} The found element or null if not found. |
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209 return assertInstanceof(element, HTMLElement, | 209 return assertInstanceof(element, HTMLElement, |
210 'Missing required element: ' + selectors); | 210 'Missing required element: ' + selectors); |
211 } | 211 } |
212 | 212 |
213 // Handle click on a link. If the link points to a chrome: or file: url, then | 213 // Handle click on a link. If the link points to a chrome: or file: url, then |
214 // call into the browser to do the navigation. | 214 // call into the browser to do the navigation. |
215 document.addEventListener('click', function(e) { | 215 document.addEventListener('click', function(e) { |
216 if (e.defaultPrevented) | 216 if (e.defaultPrevented) |
217 return; | 217 return; |
218 | 218 |
| 219 var eventPath = e.path; |
| 220 var anchor = null; |
| 221 if (eventPath) { |
| 222 for (var i = 0; i < eventPath.length; i++) { |
| 223 var element = eventPath[i]; |
| 224 if (element.tagName === 'A' && element.href) { |
| 225 anchor = element; |
| 226 break; |
| 227 } |
| 228 } |
| 229 } |
| 230 |
| 231 // Fallback if Event.path is not available. |
219 var el = e.target; | 232 var el = e.target; |
220 if (el.nodeType == Node.ELEMENT_NODE && | 233 if (!anchor && el.nodeType == Node.ELEMENT_NODE && |
221 el.webkitMatchesSelector('A, A *')) { | 234 el.webkitMatchesSelector('A, A *')) { |
222 while (el.tagName != 'A') { | 235 while (el.tagName != 'A') { |
223 el = el.parentElement; | 236 el = el.parentElement; |
224 } | 237 } |
| 238 anchor = el; |
| 239 } |
225 | 240 |
226 if ((el.protocol == 'file:' || el.protocol == 'about:') && | 241 if (!anchor) |
227 (e.button == 0 || e.button == 1)) { | 242 return; |
228 chrome.send('navigateToUrl', [ | 243 |
229 el.href, | 244 anchor = /** @type {!HTMLAnchorElement} */(anchor); |
230 el.target, | 245 if ((anchor.protocol == 'file:' || anchor.protocol == 'about:') && |
231 e.button, | 246 (e.button == 0 || e.button == 1)) { |
232 e.altKey, | 247 chrome.send('navigateToUrl', [ |
233 e.ctrlKey, | 248 anchor.href, |
234 e.metaKey, | 249 anchor.target, |
235 e.shiftKey | 250 e.button, |
236 ]); | 251 e.altKey, |
237 e.preventDefault(); | 252 e.ctrlKey, |
238 } | 253 e.metaKey, |
| 254 e.shiftKey |
| 255 ]); |
| 256 e.preventDefault(); |
239 } | 257 } |
240 }); | 258 }); |
241 | 259 |
242 /** | 260 /** |
243 * Creates a new URL which is the old URL with a GET param of key=value. | 261 * Creates a new URL which is the old URL with a GET param of key=value. |
244 * @param {string} url The base URL. There is not sanity checking on the URL so | 262 * @param {string} url The base URL. There is not sanity checking on the URL so |
245 * it must be passed in a proper format. | 263 * it must be passed in a proper format. |
246 * @param {string} key The key of the param. | 264 * @param {string} key The key of the param. |
247 * @param {string} value The value of the param. | 265 * @param {string} value The value of the param. |
248 * @return {string} The new URL. | 266 * @return {string} The new URL. |
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432 case 0xdb: return '['; | 450 case 0xdb: return '['; |
433 case 0xdd: return ']'; | 451 case 0xdd: return ']'; |
434 } | 452 } |
435 return 'Unidentified'; | 453 return 'Unidentified'; |
436 } | 454 } |
437 }); | 455 }); |
438 } else { | 456 } else { |
439 window.console.log("KeyboardEvent.Key polyfill not required"); | 457 window.console.log("KeyboardEvent.Key polyfill not required"); |
440 } | 458 } |
441 // </if> /* is_ios */ | 459 // </if> /* is_ios */ |
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