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45 lines
1.5 KiB
JavaScript
45 lines
1.5 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
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// -----------------------------------------------------------------------
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// Directory Provider for special browser folders and files
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// -----------------------------------------------------------------------
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const NS_APP_CACHE_PARENT_DIR = "cachePDir";
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function DirectoryProvider() {}
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DirectoryProvider.prototype = {
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classID: Components.ID("{ef0f7a87-c1ee-45a8-8d67-26f586e46a4b}"),
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIDirectoryServiceProvider]),
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getFile: function(prop, persistent) {
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if (prop == NS_APP_CACHE_PARENT_DIR) {
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let dirsvc = Cc["@mozilla.org/file/directory_service;1"].getService(Ci.nsIProperties);
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let profile = dirsvc.get("ProfD", Ci.nsIFile);
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let sysInfo = Cc["@mozilla.org/system-info;1"].getService(Ci.nsIPropertyBag2);
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let device = sysInfo.get("device");
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switch (device) {
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default:
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return profile;
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}
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}
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// We are retuning null to show failure instead for throwing an error. The
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// interface is called quite a bit and throwing an error is noisy. Returning
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// null works with the way the interface is called [see bug 529077]
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return null;
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}
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};
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this.NSGetFactory = XPCOMUtils.generateNSGetFactory([DirectoryProvider]);
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