framework/source/uiconfiguration/CommandImageResolver.cxx

   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
  10 #include "CommandImageResolver.hxx"
  11 #include <vcl/settings.hxx>
  12 #include <vcl/svapp.hxx>
  13 #include <rtl/ustrbuf.hxx>
  14 #include <tools/urlobj.hxx>
  15
  16 using css::uno::Sequence;
  17
  18 namespace vcl
  19 {
  20
  21 namespace
  22 {
  23
  24 static const o3tl::enumarray<ImageType, const char*> ImageType_Prefixes =
  25 {
  26     "cmd/sc_",
  27     "cmd/lc_",
  28     "cmd/32/"
  29 };
  30
  31 OUString lclConvertToCanonicalName(const OUString& rFileName)
  32 {
  33     bool bRemoveSlash(true);
  34     sal_Int32 nLength = rFileName.getLength();
  35     const sal_Unicode* pString = rFileName.getStr();
  36
  37     OUStringBuffer aBuffer(nLength*2);
  38
  39     for (sal_Int32 i = 0; i < nLength; i++)
  40     {
  41         const sal_Unicode cCurrentChar = pString[i];
  42         switch (cCurrentChar)
  43         {
  44             // map forbidden characters to escape
  45             case '/':
  46                 if (!bRemoveSlash)
  47                     aBuffer.append("%2f");
  48                 break;
  49             case '\\': aBuffer.append("%5c"); bRemoveSlash = false; break;
  50             case ':':  aBuffer.append("%3a"); bRemoveSlash = false; break;
  51             case '*':  aBuffer.append("%2a"); bRemoveSlash = false; break;
  52             case '?':  aBuffer.append("%3f"); bRemoveSlash = false; break;
  53             case '<':  aBuffer.append("%3c"); bRemoveSlash = false; break;
  54             case '>':  aBuffer.append("%3e"); bRemoveSlash = false; break;
  55             case '|':  aBuffer.append("%7c"); bRemoveSlash = false; break;
  56             default:
  57                 aBuffer.append(cCurrentChar); bRemoveSlash = false; break;
  58         }
  59     }
  60     return aBuffer.makeStringAndClear();
  61 }
  62
  63 } // end anonymous namespace
  64
  65 CommandImageResolver::CommandImageResolver()
  66 {
  67 }
  68
  69 CommandImageResolver::~CommandImageResolver()
  70 {
  71 }
  72
  73 void CommandImageResolver::registerCommands(Sequence<OUString>& aCommandSequence)
  74 {
  75     sal_Int32 nSequenceSize = aCommandSequence.getLength();
  76
  77     m_aImageCommandNameVector.resize(nSequenceSize);
  78     m_aImageNameVector.resize(nSequenceSize);
  79
  80     for (sal_Int32 i = 0; i < nSequenceSize; ++i)
  81     {
  82         OUString aCommandName(aCommandSequence[i]);
  83         OUString aImageName;
  84
  85         m_aImageCommandNameVector[i] = aCommandName;
  86
  87         if (aCommandName.indexOf(".uno:") != 0)
  88         {
  89             INetURLObject aUrlObject(aCommandName, INetURLObject::EncodeMechanism::All);
  90             aImageName = aUrlObject.GetURLPath();
  91             aImageName = lclConvertToCanonicalName(aImageName);
  92         }
  93         else
  94         {
  95             // just remove the schema
  96             if (aCommandName.getLength() > 5)
  97                 aImageName = aCommandName.copy(5);
  98
  99             // Search for query part.
 100             if (aImageName.indexOf('?') != -1)
 101                 aImageName = lclConvertToCanonicalName(aImageName);
 102         }
 103
 104         // Image names are not case-dependent. Always use lower case characters to
 105         // reflect this.
 106         aImageName = aImageName.toAsciiLowerCase() + ".png";
 107
 108         m_aImageNameVector[i] = aImageName;
 109         m_aCommandToImageNameMap[aCommandName] = aImageName;
 110     }
 111 }
 112
 113 bool CommandImageResolver::hasImage(const OUString& rCommandURL)
 114 {
 115     CommandToImageNameMap::const_iterator pIterator = m_aCommandToImageNameMap.find(rCommandURL);
 116     return pIterator != m_aCommandToImageNameMap.end();
 117 }
 118
 119 ImageList* CommandImageResolver::getImageList(ImageType nImageType)
 120 {
 121     const OUString sIconTheme = Application::GetSettings().GetStyleSettings().DetermineIconTheme();
 122
 123     if (sIconTheme != m_sIconTheme)
 124     {
 125         m_sIconTheme = sIconTheme;
 126         for (auto& rp : m_pImageList)
 127             rp.reset();
 128     }
 129
 130     if (!m_pImageList[nImageType])
 131     {
 132         OUString sIconPath = OUString::createFromAscii(ImageType_Prefixes[nImageType]);
 133         m_pImageList[nImageType].reset( new ImageList(m_aImageNameVector, sIconPath) );
 134     }
 135
 136     return m_pImageList[nImageType].get();
 137 }
 138
 139 Image CommandImageResolver::getImageFromCommandURL(ImageType nImageType, const OUString& rCommandURL)
 140 {
 141     CommandToImageNameMap::const_iterator pIterator = m_aCommandToImageNameMap.find(rCommandURL);
 142     if (pIterator != m_aCommandToImageNameMap.end())
 143     {
 144         ImageList* pImageList = getImageList(nImageType);
 145         return pImageList->GetImage(pIterator->second);
 146     }
 147     return Image();
 148 }
 149
 150 } // end namespace vcl
 151
 152 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */