sd/source/ui/framework/module/CenterViewFocusModule.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.
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   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 "CenterViewFocusModule.hxx"
  21
  22 #include <framework/FrameworkHelper.hxx>
  23 #include <framework/ViewShellWrapper.hxx>
  24
  25 #include <DrawController.hxx>
  26 #include <ViewShellBase.hxx>
  27 #include <ViewShellManager.hxx>
  28 #include <com/sun/star/drawing/framework/XControllerManager.hpp>
  29 #include <com/sun/star/drawing/framework/XConfigurationController.hpp>
  30 #include <comphelper/servicehelper.hxx>
  31
  32 using namespace ::com::sun::star;
  33 using namespace ::com::sun::star::uno;
  34 using namespace ::com::sun::star::drawing::framework;
  35
  36 using ::sd::framework::FrameworkHelper;
  37
  38 namespace sd::framework {
  39
  40 //===== CenterViewFocusModule ====================================================
  41
  42 CenterViewFocusModule::CenterViewFocusModule (rtl::Reference<sd::DrawController> const & rxController)
  43     : mbValid(false),
  44       mpBase(nullptr),
  45       mbNewViewCreated(false)
  46 {
  47     if (rxController.is())
  48     {
  49         mxConfigurationController = rxController->getConfigurationController();
  50
  51         // Tunnel through the controller to obtain a ViewShellBase.
  52         if (rxController != nullptr)
  53             mpBase = rxController->GetViewShellBase();
  54
  55         // Check, if all required objects do exist.
  56         if (mxConfigurationController.is() && mpBase!=nullptr)
  57         {
  58             mbValid = true;
  59         }
  60     }
  61
  62     if (mbValid)
  63     {
  64         mxConfigurationController->addConfigurationChangeListener(
  65             this,
  66             FrameworkHelper::msConfigurationUpdateEndEvent,
  67             Any());
  68         mxConfigurationController->addConfigurationChangeListener(
  69             this,
  70             FrameworkHelper::msResourceActivationEvent,
  71             Any());
  72     }
  73 }
  74
  75 CenterViewFocusModule::~CenterViewFocusModule()
  76 {
  77 }
  78
  79 void CenterViewFocusModule::disposing(std::unique_lock<std::mutex>&)
  80 {
  81     if (mxConfigurationController.is())
  82         mxConfigurationController->removeConfigurationChangeListener(this);
  83
  84     mbValid = false;
  85     mxConfigurationController = nullptr;
  86     mpBase = nullptr;
  87 }
  88
  89 void SAL_CALL CenterViewFocusModule::notifyConfigurationChange (
  90     const ConfigurationChangeEvent& rEvent)
  91 {
  92     if (mbValid)
  93     {
  94         if (rEvent.Type == FrameworkHelper::msConfigurationUpdateEndEvent)
  95         {
  96             HandleNewView(rEvent.Configuration);
  97         }
  98         else if (rEvent.Type == FrameworkHelper::msResourceActivationEvent)
  99         {
 100             if (rEvent.ResourceId->getResourceURL().match(FrameworkHelper::msViewURLPrefix))
 101                 mbNewViewCreated = true;
 102         }
 103     }
 104 }
 105
 106 void CenterViewFocusModule::HandleNewView (
 107     const Reference<XConfiguration>& rxConfiguration)
 108 {
 109     if (!mbNewViewCreated)
 110         return;
 111
 112     mbNewViewCreated = false;
 113     // Make the center pane the active one.  Tunnel through the
 114     // controller to obtain a ViewShell pointer.
 115
 116     Sequence<Reference<XResourceId> > xViewIds (rxConfiguration->getResources(
 117         FrameworkHelper::CreateResourceId(FrameworkHelper::msCenterPaneURL),
 118         FrameworkHelper::msViewURLPrefix,
 119         AnchorBindingMode_DIRECT));
 120     Reference<XView> xView;
 121     if (xViewIds.hasElements())
 122         xView.set( mxConfigurationController->getResource(xViewIds[0]),UNO_QUERY);
 123     if (mpBase!=nullptr)
 124     {
 125         auto pViewShellWrapper = dynamic_cast<ViewShellWrapper*>(xView.get());
 126         if (pViewShellWrapper != nullptr)
 127         {
 128             std::shared_ptr<ViewShell> pViewShell = pViewShellWrapper->GetViewShell();
 129             if (pViewShell != nullptr)
 130                 mpBase->GetViewShellManager()->MoveToTop(*pViewShell);
 131         }
 132     }
 133 }
 134
 135 void SAL_CALL CenterViewFocusModule::disposing (
 136     const lang::EventObject& rEvent)
 137 {
 138     if (mxConfigurationController.is())
 139         if (rEvent.Source == mxConfigurationController)
 140         {
 141             mbValid = false;
 142             mxConfigurationController = nullptr;
 143             mpBase = nullptr;
 144         }
 145 }
 146
 147 } // end of namespace sd::framework
 148
 149 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */