sfx2/source/control/emojiview.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 <osl/file.hxx>
  11 #include <emojiview.hxx>
  12 #include <emojiviewitem.hxx>
  13 #include <rtl/bootstrap.hxx>
  14 #include <sal/log.hxx>
  15 #include <config_folders.h>
  16 #include <officecfg/Office/Common.hxx>
  17 #include <comphelper/processfactory.hxx>
  18 #include <vcl/event.hxx>
  19 #include <vcl/svapp.hxx>
  20
  21 #include <orcus/json_document_tree.hpp>
  22 #include <orcus/config.hpp>
  23 #include <orcus/pstring.hpp>
  24 #include <string>
  25 #include <fstream>
  26
  27 using namespace ::com::sun::star;
  28
  29 bool ViewFilter_Category::isFilteredCategory(FILTER_CATEGORY filter, const OUString &rCategory)
  30 {
  31     bool bRet = true;
  32
  33     if (filter == FILTER_CATEGORY::PEOPLE)
  34         bRet = rCategory.match("people");
  35     else if (filter == FILTER_CATEGORY::NATURE)
  36         bRet = rCategory.match("nature");
  37     else if (filter == FILTER_CATEGORY::FOOD)
  38         bRet = rCategory.match("food");
  39     else if (filter == FILTER_CATEGORY::ACTIVITY)
  40         bRet = rCategory.match("activity");
  41     else if (filter == FILTER_CATEGORY::TRAVEL)
  42         bRet = rCategory.match("travel");
  43     else if (filter == FILTER_CATEGORY::OBJECTS)
  44         bRet = rCategory.match("objects");
  45     else if (filter == FILTER_CATEGORY::SYMBOLS)
  46         bRet = rCategory.match("symbols");
  47     else if (filter == FILTER_CATEGORY::FLAGS)
  48         bRet = rCategory.match("flags");
  49     else if (filter == FILTER_CATEGORY::UNICODE9)
  50         bRet = rCategory.match("unicode9");
  51
  52     return bRet;
  53 }
  54
  55 bool ViewFilter_Category::operator () (const ThumbnailViewItem *pItem)
  56 {
  57     const EmojiViewItem *pViewItem = dynamic_cast<const EmojiViewItem*>(pItem);
  58     if (pViewItem)
  59         return isFilteredCategory(mCategory, pViewItem->getCategory());
  60
  61     return true;
  62 }
  63
  64 EmojiView::EmojiView(std::unique_ptr<weld::ScrolledWindow> xWindow)
  65     : ThumbnailView(std::move(xWindow), nullptr)
  66 {
  67     // locate json data file
  68     OUString aURL("$BRAND_BASE_DIR/" LIBO_SHARE_FOLDER "/emojiconfig/emoji.json");
  69     rtl::Bootstrap::expandMacros(aURL);
  70
  71     OUString aPath;
  72     osl::FileBase::getSystemPathFromFileURL(aURL, aPath);
  73     std::string strPath = OUStringToOString(aPath, RTL_TEXTENCODING_UTF8).getStr();
  74
  75     std::ifstream file(strPath);
  76     if(!file.is_open())
  77         return;
  78
  79     msJSONData = std::string((std::istreambuf_iterator<char>(file)), std::istreambuf_iterator<char>());
  80     if(msJSONData.empty())
  81         return;
  82 }
  83
  84 void EmojiView::SetDrawingArea(weld::DrawingArea* pDrawingArea)
  85 {
  86     ThumbnailView::SetDrawingArea(pDrawingArea);
  87
  88     if (vcl::Window* pDefaultDevice = dynamic_cast<vcl::Window*>(Application::GetDefaultDevice()))
  89     {
  90         uno::Reference<uno::XComponentContext> xContext(comphelper::getProcessComponentContext());
  91         OUString sFontName(officecfg::Office::Common::Misc::EmojiFont::get(xContext));
  92         vcl::Font aFont = pDrawingArea->get_font();
  93         aFont.SetFamilyName(sFontName);
  94         OutputDevice& rDevice = pDrawingArea->get_ref_device();
  95         pDefaultDevice->SetPointFont(rDevice, aFont);
  96     }
  97
  98     mpItemAttrs->aFontSize.setX(ITEM_MAX_WIDTH - 2*ITEM_PADDING);
  99     mpItemAttrs->aFontSize.setY(ITEM_MAX_HEIGHT - 2*ITEM_PADDING);
 100 }
 101
 102 EmojiView::~EmojiView()
 103 {
 104 }
 105
 106 void EmojiView::Populate()
 107 {
 108     if (msJSONData.empty())
 109     {
 110         SAL_WARN("sfx", "Emoji config data is empty");
 111         return;
 112     }
 113
 114     // Populate view using the orcus json parser
 115     using node = orcus::json::node;
 116
 117     // default json config
 118     orcus::json_config config;
 119
 120     orcus::json::document_tree aEmojiInfo;
 121
 122     // Load JSON string into a document tree.
 123     aEmojiInfo.load(msJSONData, config);
 124
 125     node root = aEmojiInfo.get_document_root();
 126     std::vector<orcus::pstring> keys = root.keys();
 127
 128     for (auto const& key : keys)
 129     {
 130         node value = root.child(key);
 131
 132         if(value.type() == orcus::json::node_t::object)
 133         {
 134             // iterate each element to get the keys
 135             std::vector<orcus::pstring> aEmojiParams = value.keys();
 136             OUString sTitle, sCategory, sName;
 137             bool bDuplicate = false;
 138
 139             for (auto const& emojiParam : aEmojiParams)
 140             {
 141                 node prop = value.child(emojiParam);
 142
 143                 // get values of parameters in AppendItem() function
 144                 if(emojiParam == "unicode")
 145                 {
 146                     sTitle = OStringToOUString(OString( prop.string_value().get(), prop.string_value().size() ), RTL_TEXTENCODING_UTF8);
 147                 }
 148                 else if(emojiParam == "category")
 149                 {
 150                     sCategory = OStringToOUString(OString( prop.string_value().get(), prop.string_value().size() ), RTL_TEXTENCODING_UTF8);
 151                 }
 152                 else if(emojiParam == "name")
 153                 {
 154                     sName = OStringToOUString(OString( prop.string_value().get(), prop.string_value().size() ), RTL_TEXTENCODING_UTF8);
 155                 }
 156                 else if(emojiParam == "duplicate")
 157                 {
 158                     bDuplicate = true;
 159                 }
 160             }
 161
 162             // Don't append if a duplicate emoji
 163             if(!bDuplicate)
 164             {
 165                 AppendItem(sTitle, sCategory, sName);
 166             }
 167         }
 168     }
 169 }
 170
 171 bool EmojiView::MouseButtonDown( const MouseEvent& rMEvt )
 172 {
 173     GrabFocus();
 174
 175     if (rMEvt.IsLeft())
 176     {
 177         size_t nPos = ImplGetItem(rMEvt.GetPosPixel());
 178         ThumbnailViewItem* pItem = ImplGetItem(nPos);
 179
 180         if(pItem)
 181             maInsertEmojiHdl.Call(pItem);
 182     }
 183
 184     return true;
 185 }
 186
 187 bool EmojiView::KeyInput( const KeyEvent& rKEvt )
 188 {
 189     vcl::KeyCode aKeyCode = rKEvt.GetKeyCode();
 190
 191     if(aKeyCode == ( KEY_MOD1 | KEY_A ) )
 192     {
 193         for (ThumbnailViewItem* pItem : mFilteredItemList)
 194         {
 195             if (!pItem->isSelected())
 196             {
 197                 pItem->setSelection(true);
 198             }
 199         }
 200
 201         if (IsReallyVisible() && IsUpdateMode())
 202             Invalidate();
 203         return true;
 204     }
 205
 206     return ThumbnailView::KeyInput(rKEvt);
 207 }
 208
 209 void EmojiView::setInsertEmojiHdl(const Link<ThumbnailViewItem*, void> &rLink)
 210 {
 211     maInsertEmojiHdl = rLink;
 212 }
 213
 214 void EmojiView::AppendItem(const OUString &rTitle, const OUString &rCategory, const OUString &rName)
 215 {
 216     std::unique_ptr<EmojiViewItem> pItem(new EmojiViewItem(*this, getNextItemId()));
 217
 218     pItem->maTitle = rTitle;
 219     pItem->setCategory(rCategory);
 220     pItem->setHelpText(rName);
 221
 222     ThumbnailView::AppendItem(std::move(pItem));
 223
 224     CalculateItemPositions();
 225 }
 226
 227 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */