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::calculateGridOffsetForViewOjectContact(
  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 :   maViewObjectContactVector(),
  51     maPrimitiveAnimator(),
  52     mpViewObjectContactRedirector(nullptr),
  53     maViewInformation2D(uno::Sequence< beans::PropertyValue >()),
  54     mbIsPreviewRenderer(false)
  55 {
  56 }
  57
  58 ObjectContact::~ObjectContact() COVERITY_NOEXCEPT_FALSE
  59 {
  60     // get rid of all registered contacts
  61     // #i84257# To avoid that each 'delete pCandidate' again uses
  62     // the local RemoveViewObjectContact with a search and removal in the
  63     // vector, simply copy and clear local vector.
  64     std::vector< ViewObjectContact* > aLocalVOCList;
  65     aLocalVOCList.swap(maViewObjectContactVector);
  66
  67     for (const auto & pCandidate : aLocalVOCList)
  68         // ViewObjectContacts only make sense with View and Object contacts.
  69         // When the contact to the SdrObject is deleted like in this case,
  70         // all ViewObjectContacts can be deleted, too.
  71         delete pCandidate;
  72
  73     // assert when there were new entries added during deletion
  74     DBG_ASSERT(maViewObjectContactVector.empty(), "Corrupted ViewObjectContactList (!)");
  75 }
  76
  77 // LazyInvalidate request. Default implementation directly handles
  78 // this by calling back triggerLazyInvalidate() at the VOC
  79 void ObjectContact::setLazyInvalidate(ViewObjectContact& rVOC)
  80 {
  81     rVOC.triggerLazyInvalidate();
  82 }
  83
  84 // call this to support evtl. preparations for repaint. Default does nothing
  85 void ObjectContact::PrepareProcessDisplay()
  86 {
  87 }
  88
  89 // A new ViewObjectContact was created and shall be remembered.
  90 void ObjectContact::AddViewObjectContact(ViewObjectContact& rVOContact)
  91 {
  92     maViewObjectContactVector.push_back(&rVOContact);
  93 }
  94
  95 // A ViewObjectContact was deleted and shall be forgotten.
  96 void ObjectContact::RemoveViewObjectContact(ViewObjectContact& rVOContact)
  97 {
  98     std::vector< ViewObjectContact* >::iterator aFindResult = std::find(maViewObjectContactVector.begin(), maViewObjectContactVector.end(), &rVOContact);
  99
 100     if(aFindResult != maViewObjectContactVector.end())
 101     {
 102         maViewObjectContactVector.erase(aFindResult);
 103     }
 104 }
 105
 106 // Process the whole displaying
 107 void ObjectContact::ProcessDisplay(DisplayInfo& /*rDisplayInfo*/)
 108 {
 109     // default does nothing
 110 }
 111
 112 // test if visualizing of entered groups is switched on at all
 113 bool ObjectContact::DoVisualizeEnteredGroup() const
 114 {
 115     // Do not do that as default
 116     return false;
 117 }
 118
 119 // get active group's (the entered group) ViewContact
 120 const ViewContact* ObjectContact::getActiveViewContact() const
 121 {
 122     // default has no active VC
 123     return nullptr;
 124 }
 125
 126 // Invalidate given rectangle at the window/output which is represented by
 127 // this ObjectContact.
 128 void ObjectContact::InvalidatePartOfView(const basegfx::B2DRange& /*rRange*/) const
 129 {
 130     // nothing to do here in the default version
 131 }
 132
 133 // Get info about the need to visualize GluePoints
 134 bool ObjectContact::AreGluePointsVisible() const
 135 {
 136     return false;
 137 }
 138
 139 // check if text animation is allowed. Default is sal_true.
 140 bool ObjectContact::IsTextAnimationAllowed() const
 141 {
 142     return true;
 143 }
 144
 145 // check if graphic animation is allowed. Default is sal_true.
 146 bool ObjectContact::IsGraphicAnimationAllowed() const
 147 {
 148     return true;
 149 }
 150
 151 void ObjectContact::SetViewObjectContactRedirector(ViewObjectContactRedirector* pNew)
 152 {
 153     if(mpViewObjectContactRedirector != pNew)
 154     {
 155         mpViewObjectContactRedirector = pNew;
 156     }
 157 }
 158
 159 // print? Default is false
 160 bool ObjectContact::isOutputToPrinter() const
 161 {
 162     return false;
 163 }
 164
 165 // recording MetaFile? Default is false
 166 bool ObjectContact::isOutputToRecordingMetaFile() const
 167 {
 168     return false;
 169 }
 170
 171 // pdf export? Default is false
 172 bool ObjectContact::isOutputToPDFFile() const
 173 {
 174     return false;
 175 }
 176
 177 // gray display mode
 178 bool ObjectContact::isDrawModeGray() const
 179 {
 180     return false;
 181 }
 182
 183 // high contrast display mode
 184 bool ObjectContact::isDrawModeHighContrast() const
 185 {
 186     return false;
 187 }
 188
 189 // access to SdrPageView. Default implementation returns NULL
 190 SdrPageView* ObjectContact::TryToGetSdrPageView() const
 191 {
 192     return nullptr;
 193 }
 194
 195 // access to OutputDevice. Default implementation returns NULL
 196 OutputDevice* ObjectContact::TryToGetOutputDevice() const
 197 {
 198     return nullptr;
 199 }
 200
 201 void ObjectContact::resetAllGridOffsets()
 202 {
 203     const sal_uInt32 nVOCCount(getViewObjectContactCount());
 204
 205     for(sal_uInt32 a(0); a < nVOCCount; a++)
 206     {
 207         ViewObjectContact* pVOC(getViewObjectContact(a));
 208         assert(pVOC && "ObjectContact: ViewObjectContact list Corrupt (!)");
 209         pVOC->resetGridOffset();
 210     }
 211 }
 212
 213 }
 214
 215 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */