vcl/inc/impimagetree.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_VCL_INC_IMPIMAGETREE_HXX
  21 #define INCLUDED_VCL_INC_IMPIMAGETREE_HXX
  22
  23 #include "sal/config.h"
  24
  25 #include <vector>
  26
  27 #include <boost/unordered_map.hpp>
  28
  29 #include "boost/noncopyable.hpp"
  30 #include "com/sun/star/uno/Reference.hxx"
  31 #include "rtl/ustring.hxx"
  32 #include "salhelper/singletonref.hxx"
  33
  34 namespace com { namespace sun { namespace star { namespace container {
  35     class XNameAccess;
  36 } } } }
  37 class BitmapEx;
  38
  39 class ImplImageTree: private boost::noncopyable {
  40 public:
  41     ImplImageTree();
  42
  43     ~ImplImageTree();
  44
  45     /// check whether the icon style is installed
  46     bool checkStyle(OUString const & style);
  47
  48     bool loadImage(
  49         OUString const & name, OUString const & style,
  50         BitmapEx & bitmap, bool localized = false, bool loadMissing = false );
  51
  52     bool loadDefaultImage(
  53         OUString const & style,
  54         BitmapEx& bitmap);
  55
  56 /** a crude form of life cycle control (called from DeInitVCL; otherwise,
  57  *  if the ImplImageTree singleton were destroyed during exit that would
  58  *  be too late for the destructors of the bitmaps in m_iconCache)*/
  59     void shutDown();
  60
  61 private:
  62     bool doLoadImage(
  63         OUString const & name, OUString const & style,
  64         BitmapEx & bitmap, bool localized);
  65
  66     typedef std::pair<
  67         OUString,
  68         com::sun::star::uno::Reference<
  69             com::sun::star::container::XNameAccess > > Path;
  70
  71     typedef boost::unordered_map<
  72         OUString, bool, OUStringHash > CheckStyleCache;
  73     typedef boost::unordered_map<
  74         OUString, std::pair< bool, BitmapEx >, OUStringHash > IconCache;
  75     typedef boost::unordered_map<
  76         OUString, OUString, OUStringHash > IconLinkHash;
  77
  78     OUString m_style;
  79     Path m_path;
  80     CheckStyleCache m_checkStyleCache;
  81     IconCache m_iconCache;
  82     bool m_cacheIcons;
  83     IconLinkHash m_linkHash;
  84
  85     void setStyle(OUString const & style );
  86
  87     void resetPaths();
  88
  89     bool checkStyleCacheLookup( OUString const & style, bool &exists );
  90     bool iconCacheLookup( OUString const & name, bool localized, BitmapEx & bitmap );
  91
  92     bool find(std::vector< OUString > const & paths, BitmapEx & bitmap );
  93
  94     void loadImageLinks();
  95     void parseLinkFile(boost::shared_ptr< SvStream > stream);
  96     OUString const & getRealImageName(OUString const & name);
  97 };
  98
  99 typedef salhelper::SingletonRef< ImplImageTree > ImplImageTreeSingletonRef;
 100
 101 #endif
 102
 103 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */