sfx2/source/control/recentdocsview.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  * 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 #include <sax/tools/converter.hxx>
  21 #include <sfx2/recentdocsview.hxx>
  22 #include <sfx2/templateabstractview.hxx>
  23 #include <sfx2/app.hxx>
  24 #include <sfx2/sfx.hrc>
  25 #include <sfx2/sfxresid.hxx>
  26 #include <unotools/historyoptions.hxx>
  27 #include <vcl/builderfactory.hxx>
  28 #include <vcl/pngread.hxx>
  29 #include <tools/urlobj.hxx>
  30 #include <com/sun/star/util/URLTransformer.hpp>
  31 #include <com/sun/star/frame/Desktop.hpp>
  32 #include <com/sun/star/frame/XFrame.hpp>
  33 #include <templateview.hrc>
  34
  35 #include <officecfg/Office/Common.hxx>
  36
  37 using namespace ::com::sun::star;
  38 using namespace com::sun::star::uno;
  39 using namespace com::sun::star::lang;
  40 using namespace com::sun::star::frame;
  41 using namespace com::sun::star::beans;
  42
  43 namespace {
  44
  45 /// Set (larger) font for the Welcome message.
  46 void SetMessageFont(vcl::RenderContext& rRenderContext)
  47 {
  48     vcl::Font aFont(rRenderContext.GetFont());
  49     aFont.SetHeight(aFont.GetHeight() * 1.3);
  50     rRenderContext.SetFont(aFont);
  51 }
  52
  53 }
  54
  55 RecentDocsView::RecentDocsView( vcl::Window* pParent )
  56     : ThumbnailView(pParent)
  57     , mnFileTypes(TYPE_NONE)
  58     , mnTextHeight(30)
  59     , mnItemPadding(5)
  60     , mnItemMaxTextLength(30)
  61     , mnLastMouseDownItem(THUMBNAILVIEW_ITEM_NOTFOUND)
  62     , maWelcomeImage(SfxResId(IMG_WELCOME))
  63     , maWelcomeLine1(SfxResId(STR_WELCOME_LINE1))
  64     , maWelcomeLine2(SfxResId(STR_WELCOME_LINE2))
  65 {
  66     Rectangle aScreen = Application::GetScreenPosSizePixel(Application::GetDisplayBuiltInScreen());
  67     mnItemMaxSize = std::min(aScreen.GetWidth(),aScreen.GetHeight()) > 800 ? 256 : 192;
  68
  69     SetStyle(GetStyle() | WB_VSCROLL);
  70     setItemMaxTextLength( mnItemMaxTextLength );
  71     setItemDimensions( mnItemMaxSize, mnItemMaxSize, mnTextHeight, mnItemPadding );
  72
  73     maFillColor = Color(officecfg::Office::Common::Help::StartCenter::StartCenterThumbnailsBackgroundColor::get());
  74     maTextColor = Color(officecfg::Office::Common::Help::StartCenter::StartCenterThumbnailsTextColor::get());
  75     maHighlightColor = Color(officecfg::Office::Common::Help::StartCenter::StartCenterThumbnailsHighlightColor::get());
  76     maHighlightTextColor = Color(officecfg::Office::Common::Help::StartCenter::StartCenterThumbnailsHighlightTextColor::get());
  77     mfHighlightTransparence = 0.25;
  78 }
  79
  80 VCL_BUILDER_FACTORY(RecentDocsView)
  81
  82 bool RecentDocsView::typeMatchesExtension(ApplicationType type, const OUString &rExt)
  83 {
  84     bool bRet = false;
  85
  86     if (rExt == "odt" || rExt == "doc" || rExt == "docx" ||
  87         rExt == "rtf" || rExt == "txt" || rExt == "odm" || rExt == "otm")
  88     {
  89         bRet = type & TYPE_WRITER;
  90     }
  91     else if (rExt == "ods" || rExt == "xls" || rExt == "xlsx")
  92     {
  93         bRet = type & TYPE_CALC;
  94     }
  95     else if (rExt == "odp" || rExt == "pps" || rExt == "ppt" ||
  96             rExt == "pptx")
  97     {
  98         bRet = type & TYPE_IMPRESS;
  99     }
 100     else if (rExt == "odg")
 101     {
 102         bRet = type & TYPE_DRAW;
 103     }
 104     else if (rExt == "odb")
 105     {
 106         bRet = type & TYPE_DATABASE;
 107     }
 108     else if (rExt == "odf")
 109     {
 110         bRet = type & TYPE_MATH;
 111     }
 112     else
 113     {
 114         bRet = type & TYPE_OTHER;
 115     }
 116
 117     return bRet;
 118 }
 119
 120 bool RecentDocsView::isAcceptedFile(const OUString &rURL) const
 121 {
 122     INetURLObject aUrl(rURL);
 123     OUString aExt = aUrl.getExtension();
 124     return (mnFileTypes & TYPE_WRITER   && typeMatchesExtension(TYPE_WRITER,  aExt)) ||
 125            (mnFileTypes & TYPE_CALC     && typeMatchesExtension(TYPE_CALC,    aExt)) ||
 126            (mnFileTypes & TYPE_IMPRESS  && typeMatchesExtension(TYPE_IMPRESS, aExt)) ||
 127            (mnFileTypes & TYPE_DRAW     && typeMatchesExtension(TYPE_DRAW,    aExt)) ||
 128            (mnFileTypes & TYPE_DATABASE && typeMatchesExtension(TYPE_DATABASE,aExt)) ||
 129            (mnFileTypes & TYPE_MATH     && typeMatchesExtension(TYPE_MATH,    aExt)) ||
 130            (mnFileTypes & TYPE_OTHER    && typeMatchesExtension(TYPE_OTHER,   aExt));
 131 }
 132
 133 BitmapEx RecentDocsView::getDefaultThumbnail(const OUString &rURL)
 134 {
 135     BitmapEx aImg;
 136     INetURLObject aUrl(rURL);
 137     OUString aExt = aUrl.getExtension();
 138
 139     if ( typeMatchesExtension( TYPE_WRITER, aExt) )
 140         aImg = BitmapEx ( SfxResId( SFX_FILE_THUMBNAIL_TEXT ) );
 141     else if ( typeMatchesExtension( TYPE_CALC, aExt) )
 142         aImg = BitmapEx ( SfxResId( SFX_FILE_THUMBNAIL_SHEET ) );
 143     else if ( typeMatchesExtension( TYPE_IMPRESS, aExt) )
 144         aImg = BitmapEx ( SfxResId( SFX_FILE_THUMBNAIL_PRESENTATION ) );
 145     else if ( typeMatchesExtension( TYPE_DRAW, aExt) )
 146         aImg = BitmapEx ( SfxResId( SFX_FILE_THUMBNAIL_DRAWING ) );
 147     else if ( typeMatchesExtension( TYPE_DATABASE, aExt) )
 148         aImg = BitmapEx ( SfxResId( SFX_FILE_THUMBNAIL_DATABASE ) );
 149     else if ( typeMatchesExtension( TYPE_MATH, aExt) )
 150         aImg = BitmapEx ( SfxResId( SFX_FILE_THUMBNAIL_MATH ) );
 151     else
 152         aImg = BitmapEx ( SfxResId( SFX_FILE_THUMBNAIL_DEFAULT ) );
 153
 154     return aImg;
 155 }
 156
 157 void RecentDocsView::insertItem(const OUString &rURL, const OUString &rTitle, const BitmapEx &rThumbnail, sal_uInt16 nId)
 158 {
 159     RecentDocsViewItem *pChild = new RecentDocsViewItem(*this, rURL, rTitle, rThumbnail, nId, GetThumbnailSize());
 160
 161     AppendItem(pChild);
 162 }
 163
 164 void RecentDocsView::Reload()
 165 {
 166     Clear();
 167
 168     Sequence< Sequence< PropertyValue > > aHistoryList = SvtHistoryOptions().GetList( ePICKLIST );
 169     for ( int i = 0; i < aHistoryList.getLength(); i++ )
 170     {
 171         Sequence< PropertyValue >& rRecentEntry = aHistoryList[i];
 172
 173         OUString aURL;
 174         OUString aTitle;
 175         BitmapEx aThumbnail;
 176
 177         for ( int j = 0; j < rRecentEntry.getLength(); j++ )
 178         {
 179             Any a = rRecentEntry[j].Value;
 180
 181             if (rRecentEntry[j].Name == "URL")
 182                 a >>= aURL;
 183             else if (rRecentEntry[j].Name == "Title")
 184                 a >>= aTitle;
 185             else if (rRecentEntry[j].Name == "Thumbnail")
 186             {
 187                 OUString aBase64;
 188                 a >>= aBase64;
 189                 if (!aBase64.isEmpty())
 190                 {
 191                     Sequence<sal_Int8> aDecoded;
 192                     sax::Converter::decodeBase64(aDecoded, aBase64);
 193
 194                     SvMemoryStream aStream(aDecoded.getArray(), aDecoded.getLength(), StreamMode::READ);
 195                     vcl::PNGReader aReader(aStream);
 196                     aThumbnail = aReader.Read();
 197                 }
 198             }
 199         }
 200
 201         if (isAcceptedFile(aURL))
 202         {
 203             insertItem(aURL, aTitle, aThumbnail, i+1);
 204         }
 205     }
 206
 207     CalculateItemPositions();
 208     Invalidate();
 209 }
 210
 211 void RecentDocsView::MouseButtonDown( const MouseEvent& rMEvt )
 212 {
 213     if (rMEvt.IsLeft())
 214     {
 215         mnLastMouseDownItem = ImplGetItem(rMEvt.GetPosPixel());
 216
 217         // ignore to avoid stuff done in ThumbnailView; we don't do selections etc.
 218         return;
 219     }
 220
 221     ThumbnailView::MouseButtonDown(rMEvt);
 222 }
 223
 224 void RecentDocsView::MouseButtonUp(const MouseEvent& rMEvt)
 225 {
 226     if (rMEvt.IsLeft())
 227     {
 228         if( rMEvt.GetClicks() > 1 )
 229             return;
 230
 231         size_t nPos = ImplGetItem(rMEvt.GetPosPixel());
 232         ThumbnailViewItem* pItem = ImplGetItem(nPos);
 233
 234         if (pItem && nPos == mnLastMouseDownItem)
 235             pItem->MouseButtonUp(rMEvt);
 236
 237         mnLastMouseDownItem = THUMBNAILVIEW_ITEM_NOTFOUND;
 238
 239         if (pItem)
 240             return;
 241     }
 242     ThumbnailView::MouseButtonUp(rMEvt);
 243 }
 244
 245 void RecentDocsView::OnItemDblClicked(ThumbnailViewItem *pItem)
 246 {
 247     RecentDocsViewItem* pRecentItem = dynamic_cast< RecentDocsViewItem* >(pItem);
 248     if (pRecentItem)
 249         pRecentItem->OpenDocument();
 250 }
 251
 252 void RecentDocsView::Paint(vcl::RenderContext& rRenderContext, const Rectangle &aRect)
 253 {
 254     // Set preferred width
 255     if (mFilteredItemList.empty())
 256     {
 257         rRenderContext.Push(PushFlags::FONT);
 258         SetMessageFont(rRenderContext);
 259         set_width_request(std::max(rRenderContext.GetTextWidth(maWelcomeLine1),
 260                                    rRenderContext.GetTextWidth(maWelcomeLine2)));
 261         rRenderContext.Pop();
 262     }
 263     else
 264     {
 265         set_width_request(mnTextHeight + mnItemMaxSize + 2 * mnItemPadding);
 266     }
 267
 268     if (mItemList.size() == 0)
 269     {
 270         // No recent files to be shown yet. Show a welcome screen.
 271         rRenderContext.Push(PushFlags::FONT | PushFlags::TEXTCOLOR);
 272         SetMessageFont(rRenderContext);
 273         SetTextColor(maTextColor);
 274
 275         long nTextHeight = rRenderContext.GetTextHeight();
 276
 277         long nTextWidth1 = rRenderContext.GetTextWidth(maWelcomeLine1);
 278         long nTextWidth2 = rRenderContext.GetTextWidth(maWelcomeLine2);
 279
 280         const Size& rImgSize = maWelcomeImage.GetSizePixel();
 281         const Size& rSize = GetSizePixel();
 282
 283         const int nX = (rSize.Width() - rImgSize.Width())/2;
 284         const int nY = (rSize.Height() - 3 * nTextHeight - rImgSize.Height())/2;
 285
 286         Point aImgPoint(nX, nY);
 287         Point aStr1Point((rSize.Width() - nTextWidth1)/2, nY + rImgSize.Height());
 288         Point aStr2Point((rSize.Width() - nTextWidth2)/2, nY + rImgSize.Height() + 1.5 * nTextHeight);
 289
 290         rRenderContext.DrawImage(aImgPoint, rImgSize, maWelcomeImage);
 291         rRenderContext.DrawText(aStr1Point, maWelcomeLine1);
 292         rRenderContext.DrawText(aStr2Point, maWelcomeLine2);
 293
 294         rRenderContext.Pop();
 295     }
 296     else
 297     {
 298         ThumbnailView::Paint(rRenderContext, aRect);
 299     }
 300 }
 301
 302 void RecentDocsView::LoseFocus()
 303 {
 304     deselectItems();
 305
 306     ThumbnailView::LoseFocus();
 307 }
 308
 309 void RecentDocsView::Clear()
 310 {
 311     Invalidate();
 312     ThumbnailView::Clear();
 313 }
 314
 315 IMPL_STATIC_LINK( RecentDocsView, ExecuteHdl_Impl, LoadRecentFile*, pLoadRecentFile )
 316 {
 317     try
 318     {
 319         // Asynchronous execution as this can lead to our own destruction!
 320         // Framework can recycle our current frame and the layout manager disposes all user interface
 321         // elements if a component gets detached from its frame!
 322         pLoadRecentFile->xDispatch->dispatch( pLoadRecentFile->aTargetURL, pLoadRecentFile->aArgSeq );
 323     }
 324     catch ( const Exception& )
 325     {
 326     }
 327
 328     delete pLoadRecentFile;
 329     return 0;
 330 }
 331
 332 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */