sd/source/ui/sidebar/MasterPageContainerProviders.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 "MasterPageContainerProviders.hxx"
  21
  22 #include <DrawDocShell.hxx>
  23 #include <drawdoc.hxx>
  24 #include <sdpage.hxx>
  25 #include <PreviewRenderer.hxx>
  26 #include <svl/eitem.hxx>
  27 #include <sfx2/app.hxx>
  28 #include <sfx2/sfxsids.hrc>
  29 #include <sfx2/thumbnailview.hxx>
  30 #include <vcl/image.hxx>
  31 #include <com/sun/star/embed/ElementModes.hpp>
  32 #include <com/sun/star/embed/StorageFactory.hpp>
  33 #include <tools/diagnose_ex.h>
  34 #include <sal/log.hxx>
  35
  36 using namespace ::com::sun::star;
  37 using namespace ::com::sun::star::uno;
  38
  39 namespace sd { namespace sidebar {
  40
  41 //===== PagePreviewProvider ===================================================
  42
  43 PagePreviewProvider::PagePreviewProvider()
  44 {
  45 }
  46
  47 Image PagePreviewProvider::operator () (
  48     int nWidth,
  49     SdPage* pPage,
  50     ::sd::PreviewRenderer& rRenderer)
  51 {
  52     Image aPreview;
  53
  54     if (pPage != nullptr)
  55     {
  56         // Use the given renderer to create a preview of the given page
  57         // object.
  58         aPreview = rRenderer.RenderPage(
  59             pPage,
  60             nWidth);
  61     }
  62
  63     return aPreview;
  64 }
  65
  66 int PagePreviewProvider::GetCostIndex()
  67 {
  68     return 5;
  69 }
  70
  71 bool PagePreviewProvider::NeedsPageObject()
  72 {
  73     return true;
  74 }
  75
  76 //===== TemplatePreviewProvider ===============================================
  77
  78 TemplatePreviewProvider::TemplatePreviewProvider (const OUString& rsURL)
  79     : msURL(rsURL)
  80 {
  81 }
  82
  83 Image TemplatePreviewProvider::operator() (
  84     int,
  85     SdPage*,
  86     ::sd::PreviewRenderer&)
  87 {
  88     return Image(ThumbnailView::readThumbnail(msURL));
  89 }
  90
  91 int TemplatePreviewProvider::GetCostIndex()
  92 {
  93     return 10;
  94 }
  95
  96 bool TemplatePreviewProvider::NeedsPageObject()
  97 {
  98     return false;
  99 }
 100
 101 //===== TemplatePageObjectProvider =============================================
 102
 103 TemplatePageObjectProvider::TemplatePageObjectProvider (const OUString& rsURL)
 104     : msURL(rsURL),
 105       mxDocumentShell()
 106 {
 107 }
 108
 109 SdPage* TemplatePageObjectProvider::operator() (SdDrawDocument*)
 110 {
 111     SdPage* pPage = nullptr;
 112
 113     mxDocumentShell = nullptr;
 114     ::sd::DrawDocShell* pDocumentShell = nullptr;
 115     try
 116     {
 117         // Load the template document and return its first page.
 118         pDocumentShell = LoadDocument (msURL);
 119         if (pDocumentShell != nullptr)
 120         {
 121             SdDrawDocument* pDocument = pDocumentShell->GetDoc();
 122             if (pDocument != nullptr)
 123             {
 124                 pPage = pDocument->GetMasterSdPage(0, PageKind::Standard);
 125                 // In order to make the newly loaded master page deletable
 126                 // when copied into documents it is marked as no "precious".
 127                 // When it is modified then it is marked as "precious".
 128                 if (pPage != nullptr)
 129                     pPage->SetPrecious(false);
 130             }
 131         }
 132     }
 133     catch (const uno::RuntimeException&)
 134     {
 135         DBG_UNHANDLED_EXCEPTION("sd");
 136         pPage = nullptr;
 137     }
 138
 139     return pPage;
 140 }
 141
 142 ::sd::DrawDocShell* TemplatePageObjectProvider::LoadDocument (const OUString& sFileName)
 143 {
 144     SfxApplication* pSfxApp = SfxGetpApp();
 145     std::unique_ptr<SfxItemSet> pSet(new SfxAllItemSet (pSfxApp->GetPool()));
 146     pSet->Put (SfxBoolItem (SID_TEMPLATE, true));
 147     pSet->Put (SfxBoolItem (SID_PREVIEW, true));
 148     if (pSfxApp->LoadTemplate (mxDocumentShell, sFileName, std::move(pSet)))
 149     {
 150         mxDocumentShell = nullptr;
 151     }
 152     SfxObjectShell* pShell = mxDocumentShell;
 153     return dynamic_cast< ::sd::DrawDocShell *>( pShell );
 154 }
 155
 156 int TemplatePageObjectProvider::GetCostIndex()
 157 {
 158     return 20;
 159 }
 160
 161 //===== DefaultPageObjectProvider ==============================================
 162
 163 DefaultPageObjectProvider::DefaultPageObjectProvider()
 164 {
 165 }
 166
 167 SdPage* DefaultPageObjectProvider::operator () (SdDrawDocument* pContainerDocument)
 168 {
 169     SdPage* pLocalMasterPage = nullptr;
 170     if (pContainerDocument != nullptr)
 171     {
 172         SdPage* pLocalSlide = pContainerDocument->GetSdPage(0, PageKind::Standard);
 173         if (pLocalSlide!=nullptr && pLocalSlide->TRG_HasMasterPage())
 174             pLocalMasterPage = dynamic_cast<SdPage*>(&pLocalSlide->TRG_GetMasterPage());
 175     }
 176
 177     if (pLocalMasterPage == nullptr)
 178     {
 179         SAL_WARN( "sd", "can not create master page for slide");
 180     }
 181
 182     return pLocalMasterPage;
 183 }
 184
 185 int DefaultPageObjectProvider::GetCostIndex()
 186 {
 187     return 15;
 188 }
 189
 190 //===== ExistingPageProvider ==================================================
 191
 192 ExistingPageProvider::ExistingPageProvider (SdPage* pPage)
 193     : mpPage(pPage)
 194 {
 195 }
 196
 197 SdPage* ExistingPageProvider::operator() (SdDrawDocument*)
 198 {
 199     return mpPage;
 200 }
 201
 202 int ExistingPageProvider::GetCostIndex()
 203 {
 204     return 0;
 205 }
 206
 207 } } // end of namespace sd::sidebar
 208
 209 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */