Line data    Source code

       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 <memory>
      26             : #include <unordered_map>
      27             : #include <vector>
      28             : 
      29             : #include "com/sun/star/uno/Reference.hxx"
      30             : #include "rtl/ustring.hxx"
      31             : #include "salhelper/singletonref.hxx"
      32             : 
      33             : namespace com { namespace sun { namespace star { namespace container {
      34             :     class XNameAccess;
      35             : } } } }
      36             : class BitmapEx;
      37             : 
      38             : class ImplImageTree {
      39             : public:
      40             :     ImplImageTree();
      41             : 
      42             :     ~ImplImageTree();
      43             : 
      44             :     bool loadImage(
      45             :         OUString const & name, OUString const & style,
      46             :         BitmapEx & bitmap, bool localized = false, bool loadMissing = false );
      47             : 
      48             :     bool loadDefaultImage(
      49             :         OUString const & style,
      50             :         BitmapEx& bitmap);
      51             : 
      52             :     /** a crude form of life cycle control (called from DeInitVCL; otherwise,
      53             :      *  if the ImplImageTree singleton were destroyed during exit that would
      54             :      *  be too late for the destructors of the bitmaps in maIconCache)*/
      55             :     void shutDown();
      56             : 
      57             :     css::uno::Reference< css::container::XNameAccess > getNameAccess();
      58             : 
      59             : private:
      60             :     ImplImageTree(const ImplImageTree&) SAL_DELETED_FUNCTION;
      61             :     ImplImageTree& operator=(const ImplImageTree&) SAL_DELETED_FUNCTION;
      62             : 
      63             :     typedef std::unordered_map<OUString, std::pair<bool, BitmapEx>, OUStringHash> IconCache;
      64             :     typedef std::unordered_map<OUString, OUString, OUStringHash> IconLinkHash;
      65             : 
      66         666 :     struct IconSet {
      67             :         OUString maURL;
      68             :         css::uno::Reference<css::container::XNameAccess> maNameAccess;
      69             :         IconCache maIconCache;
      70             :         IconLinkHash maLinkHash;
      71             : 
      72         222 :         IconSet() {}
      73         222 :         IconSet(const OUString &aURL) : maURL(aURL) {}
      74             :     };
      75             : 
      76             :     /// Map between the theme name(s) and the content.
      77             :     typedef std::unordered_map<OUString, IconSet, OUStringHash> StyleIconSet;
      78             : 
      79             :     /// Remember all the (used) icon styles and individual icons in them.
      80             :     StyleIconSet maIconSet;
      81             : 
      82             :     /// Styly used for the current operations; switches switch several times during fallback search.
      83             :     OUString maCurrentStyle;
      84             : 
      85             :     bool doLoadImage(
      86             :         OUString const & name, OUString const & style,
      87             :         BitmapEx & bitmap, bool localized);
      88             : 
      89             :     bool checkPathAccess();
      90             : 
      91             :     void setStyle(OUString const & style );
      92             : 
      93             :     void createStyle();
      94             : 
      95             :     bool iconCacheLookup( OUString const & name, bool localized, BitmapEx & bitmap );
      96             : 
      97             :     bool findImage(std::vector< OUString > const & paths, BitmapEx & bitmap );
      98             : 
      99             :     void loadImageLinks();
     100             : 
     101             :     void parseLinkFile(std::shared_ptr<SvStream> stream);
     102             : 
     103             :     /// Return name of a real .png according to links.txt.
     104             :     OUString const & getRealImageName(OUString const & name);
     105             : 
     106             :     /** Rerurn name of the fallback style for the provided one.
     107             : 
     108             :         Must not be cyclic :-)  The last theme in the chain returns an empty string.
     109             :     */
     110             :     static OUString fallbackStyle(const OUString &style);
     111             : };
     112             : 
     113             : typedef salhelper::SingletonRef< ImplImageTree > ImplImageTreeSingletonRef;
     114             : 
     115             : #endif
     116             : 
     117             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */