The Tor Browser / file comparison
comparison: addon-sdk/source/lib/sdk/stylesheet/utils.js
addon-sdk/source/lib/sdk/stylesheet/utils.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
equal
deleted
inserted
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| -1:000000000000 | 0:7fcead11d311 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 "use strict"; | |
| 6 | |
| 7 module.metadata = { | |
| 8 "stability": "experimental" | |
| 9 }; | |
| 10 | |
| 11 const { Cc, Ci } = require("chrome"); | |
| 12 | |
| 13 const io = Cc['@mozilla.org/network/io-service;1']. | |
| 14 getService(Ci.nsIIOService); | |
| 15 | |
| 16 const SHEET_TYPE = { | |
| 17 "agent": "AGENT_SHEET", | |
| 18 "user": "USER_SHEET", | |
| 19 "author": "AUTHOR_SHEET" | |
| 20 }; | |
| 21 | |
| 22 function getDOMWindowUtils(window) { | |
| 23 return window.QueryInterface(Ci.nsIInterfaceRequestor). | |
| 24 getInterface(Ci.nsIDOMWindowUtils); | |
| 25 }; | |
| 26 | |
| 27 /** | |
| 28 * Synchronously loads a style sheet from `uri` and adds it to the list of | |
| 29 * additional style sheets of the document. | |
| 30 * The sheets added takes effect immediately, and only on the document of the | |
| 31 * `window` given. | |
| 32 */ | |
| 33 function loadSheet(window, url, type) { | |
| 34 if (!(type && type in SHEET_TYPE)) | |
| 35 type = "author"; | |
| 36 | |
| 37 type = SHEET_TYPE[type]; | |
| 38 | |
| 39 if (!(url instanceof Ci.nsIURI)) | |
| 40 url = io.newURI(url, null, null); | |
| 41 | |
| 42 let winUtils = getDOMWindowUtils(window); | |
| 43 try { | |
| 44 winUtils.loadSheet(url, winUtils[type]); | |
| 45 } | |
| 46 catch (e) {}; | |
| 47 }; | |
| 48 exports.loadSheet = loadSheet; | |
| 49 | |
| 50 /** | |
| 51 * Remove the document style sheet at `sheetURI` from the list of additional | |
| 52 * style sheets of the document. The removal takes effect immediately. | |
| 53 */ | |
| 54 function removeSheet(window, url, type) { | |
| 55 if (!(type && type in SHEET_TYPE)) | |
| 56 type = "author"; | |
| 57 | |
| 58 type = SHEET_TYPE[type]; | |
| 59 | |
| 60 if (!(url instanceof Ci.nsIURI)) | |
| 61 url = io.newURI(url, null, null); | |
| 62 | |
| 63 let winUtils = getDOMWindowUtils(window); | |
| 64 | |
| 65 try { | |
| 66 winUtils.removeSheet(url, winUtils[type]); | |
| 67 } | |
| 68 catch (e) {}; | |
| 69 }; | |
| 70 exports.removeSheet = removeSheet; | |
| 71 | |
| 72 /** | |
| 73 * Returns `true` if the `type` given is valid, otherwise `false`. | |
| 74 * The values currently accepted are: "agent", "user" and "author". | |
| 75 */ | |
| 76 function isTypeValid(type) { | |
| 77 return type in SHEET_TYPE; | |
| 78 } | |
| 79 exports.isTypeValid = isTypeValid; |
