diff options
Diffstat (limited to 'tools/addon-sdk-1.5/packages/api-utils/lib/utils/data.js')
-rw-r--r-- | tools/addon-sdk-1.5/packages/api-utils/lib/utils/data.js | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/tools/addon-sdk-1.5/packages/api-utils/lib/utils/data.js b/tools/addon-sdk-1.5/packages/api-utils/lib/utils/data.js deleted file mode 100644 index 33356cd..0000000 --- a/tools/addon-sdk-1.5/packages/api-utils/lib/utils/data.js +++ /dev/null @@ -1,71 +0,0 @@ -/* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ - -"use strict"; - -const { Cc, Ci, Cu } = require("chrome"); -const IOService = Cc["@mozilla.org/network/io-service;1"]. - getService(Ci.nsIIOService); -const AppShellService = Cc["@mozilla.org/appshell/appShellService;1"]. - getService(Ci.nsIAppShellService); - -const { NetUtil } = Cu.import("resource://gre/modules/NetUtil.jsm"); -const FaviconService = Cc["@mozilla.org/browser/favicon-service;1"]. - getService(Ci.nsIFaviconService); - -const PNG_B64 = "data:image/png;base64,"; -const DEF_FAVICON_URI = "chrome://mozapps/skin/places/defaultFavicon.png"; -let DEF_FAVICON = null; - -/** - * Takes URI of the page and returns associated favicon URI. - * If page under passed uri has no favicon then base64 encoded data URI of - * default faveicon is returned. - * @param {String} uri - * @returns {String} - */ -exports.getFaviconURIForLocation = function getFaviconURIForLocation(uri) { - let pageURI = NetUtil.newURI(uri); - try { - return FaviconService.getFaviconDataAsDataURL( - FaviconService.getFaviconForPage(pageURI)); - } - catch(e) { - if (!DEF_FAVICON) { - DEF_FAVICON = PNG_B64 + - base64Encode(getChromeURIContent(DEF_FAVICON_URI)); - } - return DEF_FAVICON; - } -} - -/** - * Takes chrome URI and returns content under that URI. - * @param {String} chromeURI - * @returns {String} - */ -function getChromeURIContent(chromeURI) { - let channel = IOService.newChannel(chromeURI, null, null); - let input = channel.open(); - let stream = Cc["@mozilla.org/binaryinputstream;1"]. - createInstance(Ci.nsIBinaryInputStream); - stream.setInputStream(input); - let content = stream.readBytes(input.available()); - stream.close(); - input.close(); - return content; -} -exports.getChromeURIContent = getChromeURIContent; - -/** - * Creates a base-64 encoded ASCII string from a string of binary data. - */ -function base64Encode(data) AppShellService.hiddenDOMWindow.btoa(String(data)); -exports.base64Encode = base64Encode; - -/** - * Decodes a string of data which has been encoded using base-64 encoding. - */ -function base64Decode(data) AppShellService.hiddenDOMWindow.atob(String(data)); -exports.base64Decode = base64Decode; |