100 lines
4.1 KiB
JavaScript
100 lines
4.1 KiB
JavaScript
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Tree Style Tab.
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*
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* The Initial Developer of the Original Code is SHIMODA Hiroshi.
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s): SHIMODA Hiroshi <piro@p.club.ne.jp>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ******/
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const EXPORTED_SYMBOLS = ['TreeStyleTabImagePreloader'];
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Components.utils.import('resource://treestyletab-modules/utils.js');
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var TreeStyleTabImagePreloader = {
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preLoadImagesForStyle : function(aStyle)
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{
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if (!aStyle ||
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this._preLoadImagesForStyleDone.indexOf(aStyle) > -1)
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return;
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this._preLoadImagesForStyleDone.push(aStyle);
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var images = aStyle in this._preLoadImages ?
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this._preLoadImages[aStyle] :
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null ;
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if (!images) return;
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images.forEach(function(aImage) {
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if (this._preLoadImagesForStyleDoneImages.indexOf(aImage) > -1)
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return;
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(new Image()).src = aImage;
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this._preLoadImagesForStyleDoneImages.push(aImage);
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}, this);
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},
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_preLoadImagesForStyleDone : [],
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_preLoadImagesForStyleDoneImages : [],
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_preLoadImages : {
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'metal-left' : [
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'chrome://treestyletab/skin/metal/tab-active-l.png',
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'chrome://treestyletab/skin/metal/tab-inactive-l.png',
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'chrome://treestyletab/skin/metal/tab-active-selected-l.png',
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'chrome://treestyletab/skin/metal/tab-inactive-selected-l.png',
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'chrome://treestyletab/skin/metal/shadow-active-l.png',
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'chrome://treestyletab/skin/metal/shadow-inactive-l.png'
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].concat(
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TreeStyleTabUtils.Comparator.compare(TreeStyleTabUtils.XULAppInfo.version, '3.5') >= 0 ?
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[
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'chrome://treestyletab/skin/metal/tab-active-middle.png',
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'chrome://treestyletab/skin/metal/tab-active-middle-selected.png',
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'chrome://treestyletab/skin/metal/tab-inactive-middle.png',
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'chrome://treestyletab/skin/metal/tab-inactive-middle-selected.png'
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] :
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[]
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),
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'metal-right' : [
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'chrome://treestyletab/skin/metal/tab-active-r.png',
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'chrome://treestyletab/skin/metal/tab-inactive-r.png',
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'chrome://treestyletab/skin/metal/tab-active-selected-r.png',
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'chrome://treestyletab/skin/metal/tab-inactive-selected-r.png',
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'chrome://treestyletab/skin/metal/shadow-active-r.png',
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'chrome://treestyletab/skin/metal/shadow-inactive-r.png'
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].concat(
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TreeStyleTabUtils.Comparator.compare(TreeStyleTabUtils.XULAppInfo.version, '3.5') >= 0 ?
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[
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'chrome://treestyletab/skin/metal/tab-active-middle.png',
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'chrome://treestyletab/skin/metal/tab-active-middle-selected.png',
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'chrome://treestyletab/skin/metal/tab-inactive-middle.png',
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'chrome://treestyletab/skin/metal/tab-inactive-middle-selected.png'
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] :
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[]
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)
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}
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};
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