svx/source/sdr/contact/objectcontact.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 <svx/sdr/contact/objectcontact.hxx>
  21 #include <tools/debug.hxx>
  22 #include <svx/sdr/contact/viewobjectcontact.hxx>
  23 #include <svx/sdr/contact/viewcontact.hxx>
  24
  25 using namespace com::sun::star;
  26
  27 namespace sdr::contact {
  28
  29 bool ObjectContact::supportsGridOffsets() const
  30 {
  31     // default does not support GridOffset
  32     return false;
  33 }
  34
  35 void ObjectContact::calculateGridOffsetForViewObjectContact(
  36     basegfx::B2DVector& /*rTarget*/,
  37     const ViewObjectContact& /*rClient*/) const
  38 {
  39     // default does not on-demand calculate GridOffset
  40 }
  41
  42 void ObjectContact::calculateGridOffsetForB2DRange(
  43     basegfx::B2DVector& /*rTarget*/,
  44     const basegfx::B2DRange& /*rB2DRange*/) const
  45 {
  46     // default does not on-demand calculate GridOffset
  47 }
  48
  49 ObjectContact::ObjectContact()
  50 :   mpViewObjectContactRedirector(nullptr),
  51     mbIsPreviewRenderer(false)
  52 {
  53 }
  54
  55 ObjectContact::~ObjectContact() COVERITY_NOEXCEPT_FALSE
  56 {
  57     // get rid of all registered contacts
  58     // #i84257# To avoid that each 'delete pCandidate' again uses
  59     // the local RemoveViewObjectContact with a search and removal in the
  60     // vector, simply copy and clear local vector.
  61     std::vector< ViewObjectContact* > aLocalVOCList;
  62     aLocalVOCList.swap(maViewObjectContactVector);
  63
  64     for (const auto & pCandidate : aLocalVOCList)
  65         // ViewObjectContacts only make sense with View and Object contacts.
  66         // When the contact to the SdrObject is deleted like in this case,
  67         // all ViewObjectContacts can be deleted, too.
  68         delete pCandidate;
  69
  70     // assert when there were new entries added during deletion
  71     DBG_ASSERT(maViewObjectContactVector.empty(), "Corrupted ViewObjectContactList (!)");
  72 }
  73
  74 // LazyInvalidate request. Default implementation directly handles
  75 // this by calling back triggerLazyInvalidate() at the VOC
  76 void ObjectContact::setLazyInvalidate(ViewObjectContact& rVOC)
  77 {
  78     rVOC.triggerLazyInvalidate();
  79 }
  80
  81 // call this to support evtl. preparations for repaint. Default does nothing
  82 void ObjectContact::PrepareProcessDisplay()
  83 {
  84 }
  85
  86 // A new ViewObjectContact was created and shall be remembered.
  87 void ObjectContact::AddViewObjectContact(ViewObjectContact& rVOContact)
  88 {
  89     maViewObjectContactVector.push_back(&rVOContact);
  90 }
  91
  92 // A ViewObjectContact was deleted and shall be forgotten.
  93 void ObjectContact::RemoveViewObjectContact(ViewObjectContact& rVOContact)
  94 {
  95     std::vector< ViewObjectContact* >::iterator aFindResult = std::find(maViewObjectContactVector.begin(), maViewObjectContactVector.end(), &rVOContact);
  96
  97     if(aFindResult != maViewObjectContactVector.end())
  98     {
  99         maViewObjectContactVector.erase(aFindResult);
 100     }
 101 }
 102
 103 // Process the whole displaying
 104 void ObjectContact::ProcessDisplay(DisplayInfo& /*rDisplayInfo*/)
 105 {
 106     // default does nothing
 107 }
 108
 109 // test if visualizing of entered groups is switched on at all
 110 bool ObjectContact::DoVisualizeEnteredGroup() const
 111 {
 112     // Do not do that as default
 113     return false;
 114 }
 115
 116 // get active group's (the entered group) ViewContact
 117 const ViewContact* ObjectContact::getActiveViewContact() const
 118 {
 119     // default has no active VC
 120     return nullptr;
 121 }
 122
 123 // Invalidate given rectangle at the window/output which is represented by
 124 // this ObjectContact.
 125 void ObjectContact::InvalidatePartOfView(const basegfx::B2DRange& /*rRange*/) const
 126 {
 127     // nothing to do here in the default version
 128 }
 129
 130 // Get info about the need to visualize GluePoints
 131 bool ObjectContact::AreGluePointsVisible() const
 132 {
 133     return false;
 134 }
 135
 136 // check if text animation is allowed. Default is sal_true.
 137 bool ObjectContact::IsTextAnimationAllowed() const
 138 {
 139     return true;
 140 }
 141
 142 // check if graphic animation is allowed. Default is sal_true.
 143 bool ObjectContact::IsGraphicAnimationAllowed() const
 144 {
 145     return true;
 146 }
 147
 148 void ObjectContact::SetViewObjectContactRedirector(ViewObjectContactRedirector* pNew)
 149 {
 150     if(mpViewObjectContactRedirector != pNew)
 151     {
 152         mpViewObjectContactRedirector = pNew;
 153     }
 154 }
 155
 156 // print? Default is false
 157 bool ObjectContact::isOutputToPrinter() const
 158 {
 159     return false;
 160 }
 161
 162 // display page decoration? Default is true
 163 bool ObjectContact::isPageDecorationActive() const
 164 {
 165     return true;
 166 }
 167
 168 // display mster page content (ViewContactOfMasterPage)? Default is true
 169 bool ObjectContact::isMasterPageActive() const
 170 {
 171     return true;
 172 }
 173
 174 // recording MetaFile? Default is false
 175 bool ObjectContact::isOutputToRecordingMetaFile() const
 176 {
 177     return false;
 178 }
 179
 180 // pdf export? Default is false
 181 bool ObjectContact::isOutputToPDFFile() const
 182 {
 183     return false;
 184 }
 185
 186 bool ObjectContact::isExportTaggedPDF() const
 187 {
 188     return false;
 189 }
 190
 191 ::vcl::PDFExtOutDevData const* ObjectContact::GetPDFExtOutDevData() const
 192 {
 193     return nullptr;
 194 }
 195
 196 // gray display mode
 197 bool ObjectContact::isDrawModeGray() const
 198 {
 199     return false;
 200 }
 201
 202 // high contrast display mode
 203 bool ObjectContact::isDrawModeHighContrast() const
 204 {
 205     return false;
 206 }
 207
 208 // access to SdrPageView. Default implementation returns NULL
 209 SdrPageView* ObjectContact::TryToGetSdrPageView() const
 210 {
 211     return nullptr;
 212 }
 213
 214 // access to OutputDevice. Default implementation returns NULL
 215 OutputDevice* ObjectContact::TryToGetOutputDevice() const
 216 {
 217     return nullptr;
 218 }
 219
 220 void ObjectContact::resetAllGridOffsets()
 221 {
 222     const sal_uInt32 nVOCCount(getViewObjectContactCount());
 223
 224     for(sal_uInt32 a(0); a < nVOCCount; a++)
 225     {
 226         ViewObjectContact* pVOC(getViewObjectContact(a));
 227         assert(pVOC && "ObjectContact: ViewObjectContact list Corrupt (!)");
 228         pVOC->resetGridOffset();
 229     }
 230 }
 231
 232 }
 233
 234 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */