The Tor Browser: addon-sdk/source/lib/sdk/stylesheet/utils.js@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     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/. */

     5 "use strict";

     7 module.metadata =  {

     8   "stability": "experimental"

     9 };

    11 const { Cc, Ci } = require("chrome");

    13 const io = Cc['@mozilla.org/network/io-service;1'].

    14             getService(Ci.nsIIOService);

    16 const SHEET_TYPE = {

    17   "agent": "AGENT_SHEET",

    18   "user": "USER_SHEET",

    19   "author": "AUTHOR_SHEET"

    20 };

    22 function getDOMWindowUtils(window) {

    23   return window.QueryInterface(Ci.nsIInterfaceRequestor).

    24                 getInterface(Ci.nsIDOMWindowUtils);

    25 };

    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";

    37   type = SHEET_TYPE[type];

    39   if (!(url instanceof Ci.nsIURI))

    40     url = io.newURI(url, null, null);

    42   let winUtils = getDOMWindowUtils(window);

    43   try {

    44     winUtils.loadSheet(url, winUtils[type]);

    45   }

    46   catch (e) {};

    47 };

    48 exports.loadSheet = loadSheet;

    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";

    58   type = SHEET_TYPE[type];

    60   if (!(url instanceof Ci.nsIURI))

    61     url = io.newURI(url, null, null);

    63   let winUtils = getDOMWindowUtils(window);

    65   try {

    66     winUtils.removeSheet(url, winUtils[type]);

    67   }

    68   catch (e) {};

    69 };

    70 exports.removeSheet = removeSheet;

    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;

The Tor Browser / file revision