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(cache::CacheKey aKey)
  49 {
  50     const model::SharedPageDescriptor pDescriptor (GetDescriptor(aKey));
  51     if (pDescriptor.get() != nullptr)
  52     {
  53         // Force a repaint that will trigger their re-creation.
  54         mrSlideSorter.GetView().RequestRepaint(pDescriptor);
  55     }
  56     else
  57     {
  58         // It is OK when a preview was created for a page that is not
  59         // currently displayed because both normal and master pages are
  60         // kept in the same cache.
  61     }
  62 }
  63
  64 bool ViewCacheContext::IsIdle()
  65 {
  66     tools::IdleState nIdleState (tools::IdleDetection::GetIdleState(mrSlideSorter.GetContentWindow()));
  67     return nIdleState == tools::IdleState::Idle;
  68 }
  69
  70 bool ViewCacheContext::IsVisible (cache::CacheKey aKey)
  71 {
  72     const model::SharedPageDescriptor pDescriptor (GetDescriptor(aKey));
  73     return pDescriptor && pDescriptor->HasState(model::PageDescriptor::ST_Visible);
  74 }
  75
  76 const SdrPage* ViewCacheContext::GetPage (cache::CacheKey aKey)
  77 {
  78     return aKey;
  79 }
  80
  81 std::shared_ptr<std::vector<cache::CacheKey> > ViewCacheContext::GetEntryList (bool bVisible)
  82 {
  83     std::shared_ptr<std::vector<cache::CacheKey> > pKeys (new std::vector<cache::CacheKey>);
  84
  85     model::PageEnumeration aPageEnumeration (
  86         bVisible
  87             ? model::PageEnumerationProvider::CreateVisiblePagesEnumeration(mrModel)
  88             : model::PageEnumerationProvider::CreateAllPagesEnumeration(mrModel));
  89
  90     while (aPageEnumeration.HasMoreElements())
  91     {
  92         model::SharedPageDescriptor pDescriptor (aPageEnumeration.GetNextElement());
  93         pKeys->push_back(pDescriptor->GetPage());
  94     }
  95
  96     return pKeys;
  97 }
  98
  99 sal_Int32 ViewCacheContext::GetPriority (cache::CacheKey aKey)
 100 {
 101     return - (aKey->GetPageNum()-1) / 2;
 102 }
 103
 104 model::SharedPageDescriptor ViewCacheContext::GetDescriptor (cache::CacheKey aKey)
 105 {
 106     sal_uInt16 nPageIndex ((aKey->GetPageNum() - 1) / 2);
 107     return mrModel.GetPageDescriptor(nPageIndex);
 108 }
 109
 110 css::uno::Reference<css::uno::XInterface> ViewCacheContext::GetModel()
 111 {
 112     if (mrModel.GetDocument() == nullptr)
 113         return nullptr;
 114     else
 115         return mrModel.GetDocument()->getUnoModel();
 116 }
 117
 118 } } } // end of namespace ::sd::slidesorter::view
 119
 120 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */