sd/source/ui/slidesorter/view/SlsViewCacheContext.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 "SlsViewCacheContext.hxx"
  21
  22 #include "SlideSorter.hxx"
  23 #include "model/SlideSorterModel.hxx"
  24 #include "model/SlsPageDescriptor.hxx"
  25 #include "model/SlsPageEnumerationProvider.hxx"
  26 #include "view/SlideSorterView.hxx"
  27 #include "sdpage.hxx"
  28 #include "Window.hxx"
  29 #include "drawdoc.hxx"
  30 #include "tools/IdleDetection.hxx"
  31 #include <svx/svdpage.hxx>
  32 #include <svx/sdr/contact/viewcontact.hxx>
  33 #include <vcl/window.hxx>
  34 #include <svx/sdr/contact/objectcontact.hxx>
  35
  36 namespace sd { namespace slidesorter { namespace view {
  37
  38 ViewCacheContext::ViewCacheContext (SlideSorter& rSlideSorter)
  39     : mrModel(rSlideSorter.GetModel()),
  40       mrSlideSorter(rSlideSorter)
  41 {
  42 }
  43
  44 ViewCacheContext::~ViewCacheContext()
  45 {
  46 }
  47
  48 void ViewCacheContext::NotifyPreviewCreation (
  49     cache::CacheKey aKey,
  50     const Bitmap&)
  51 {
  52     const model::SharedPageDescriptor pDescriptor (GetDescriptor(aKey));
  53     if (pDescriptor.get() != NULL)
  54     {
  55         // Force a repaint that will trigger their re-creation.
  56         mrSlideSorter.GetView().RequestRepaint(pDescriptor);
  57     }
  58     else
  59     {
  60         // It is OK when a preview was created for a page that is not
  61         // currently displayed because both normal and master pages are
  62         // kept in the same cache.
  63     }
  64 }
  65
  66 bool ViewCacheContext::IsIdle()
  67 {
  68     sal_Int32 nIdleState (tools::IdleDetection::GetIdleState(mrSlideSorter.GetContentWindow()));
  69     if (nIdleState == tools::IdleDetection::IDET_IDLE)
  70         return true;
  71     else
  72         return false;
  73 }
  74
  75 bool ViewCacheContext::IsVisible (cache::CacheKey aKey)
  76 {
  77     const model::SharedPageDescriptor pDescriptor (GetDescriptor(aKey));
  78     return pDescriptor && pDescriptor->HasState(model::PageDescriptor::ST_Visible);
  79 }
  80
  81 const SdrPage* ViewCacheContext::GetPage (cache::CacheKey aKey)
  82 {
  83     return static_cast<const SdrPage*>(aKey);
  84 }
  85
  86 ::boost::shared_ptr<std::vector<cache::CacheKey> > ViewCacheContext::GetEntryList (bool bVisible)
  87 {
  88     ::boost::shared_ptr<std::vector<cache::CacheKey> > pKeys (new std::vector<cache::CacheKey>());
  89
  90     model::PageEnumeration aPageEnumeration (
  91         bVisible
  92             ? model::PageEnumerationProvider::CreateVisiblePagesEnumeration(mrModel)
  93             : model::PageEnumerationProvider::CreateAllPagesEnumeration(mrModel));
  94
  95     while (aPageEnumeration.HasMoreElements())
  96     {
  97         model::SharedPageDescriptor pDescriptor (aPageEnumeration.GetNextElement());
  98         pKeys->push_back(pDescriptor->GetPage());
  99     }
 100
 101     return pKeys;
 102 }
 103
 104 sal_Int32 ViewCacheContext::GetPriority (cache::CacheKey aKey)
 105 {
 106     return - (static_cast<const SdrPage*>(aKey)->GetPageNum()-1) / 2;
 107 }
 108
 109 model::SharedPageDescriptor ViewCacheContext::GetDescriptor (cache::CacheKey aKey)
 110 {
 111     sal_uInt16 nPageIndex ((static_cast<const SdrPage*>(aKey)->GetPageNum() - 1) / 2);
 112     return mrModel.GetPageDescriptor(nPageIndex);
 113 }
 114
 115 ::com::sun::star::uno::Reference<com::sun::star::uno::XInterface> ViewCacheContext::GetModel()
 116 {
 117     if (mrModel.GetDocument() == NULL)
 118         return NULL;
 119     else
 120         return mrModel.GetDocument()->getUnoModel();
 121 }
 122
 123 } } } // end of namespace ::sd::slidesorter::view
 124
 125 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */