svx/source/sidebar/SelectionChangeHandler.cxx

   1 /*
   2  * This file is part of the LibreOffice project.
   3  *
   4  * This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   7  *
   8  * This file incorporates work covered by the following license notice:
   9  *
  10  *   Licensed to the Apache Software Foundation (ASF) under one or more
  11  *   contributor license agreements. See the NOTICE file distributed
  12  *   with this work for additional information regarding copyright
  13  *   ownership. The ASF licenses this file to you under the Apache
  14  *   License, Version 2.0 (the "License"); you may not use this file
  15  *   except in compliance with the License. You may obtain a copy of
  16  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  17  */
  18 #include "svx/sidebar/SelectionChangeHandler.hxx"
  19 #include "svx/sidebar/SelectionAnalyzer.hxx"
  20 #include "svx/sidebar/ContextChangeEventMultiplexer.hxx"
  21 #include "svx/svdmrkv.hxx"
  22
  23 #include <sfx2/sidebar/EnumContext.hxx>
  24 #include <sfx2/shell.hxx>
  25
  26
  27 using namespace css;
  28 using namespace cssu;
  29
  30 using namespace sfx2::sidebar;
  31
  32 namespace svx { namespace sidebar {
  33
  34 SelectionChangeHandler::SelectionChangeHandler (
  35     const boost::function<rtl::OUString(void)>& rSelectionChangeCallback,
  36     const Reference<frame::XController>& rxController,
  37     const EnumContext::Context eDefaultContext)
  38     : SelectionChangeHandlerInterfaceBase(m_aMutex),
  39       maSelectionChangeCallback(rSelectionChangeCallback),
  40       mxController(rxController),
  41       meDefaultContext(eDefaultContext),
  42       mbIsConnected(false)
  43 {
  44 }
  45
  46
  47
  48
  49 SelectionChangeHandler::~SelectionChangeHandler (void)
  50 {
  51 }
  52
  53
  54
  55
  56 void SAL_CALL SelectionChangeHandler::selectionChanged (const lang::EventObject&)
  57     throw (uno::RuntimeException)
  58 {
  59     if (maSelectionChangeCallback)
  60     {
  61         const EnumContext::Context eContext (
  62             EnumContext::GetContextEnum(maSelectionChangeCallback()));
  63         ContextChangeEventMultiplexer::NotifyContextChange(
  64             mxController,
  65             eContext==EnumContext::Context_Unknown
  66                 ? meDefaultContext
  67                 : eContext);
  68     }
  69 }
  70
  71
  72
  73
  74 void SAL_CALL SelectionChangeHandler::disposing (const lang::EventObject&)
  75     throw (uno::RuntimeException)
  76 {
  77 }
  78
  79
  80
  81
  82 void SAL_CALL SelectionChangeHandler::disposing (void)
  83     throw (uno::RuntimeException)
  84 {
  85     if (mbIsConnected)
  86         Disconnect();
  87 }
  88
  89
  90
  91
  92 void SelectionChangeHandler::Connect (void)
  93 {
  94     uno::Reference<view::XSelectionSupplier> xSupplier (mxController, uno::UNO_QUERY);
  95     if (xSupplier.is())
  96     {
  97         mbIsConnected = true;
  98         xSupplier->addSelectionChangeListener(this);
  99     }
 100 }
 101
 102
 103
 104
 105 void SelectionChangeHandler::Disconnect (void)
 106 {
 107     uno::Reference<view::XSelectionSupplier> xSupplier (mxController, uno::UNO_QUERY);
 108     if (xSupplier.is())
 109     {
 110         mbIsConnected = false;
 111         xSupplier->removeSelectionChangeListener(this);
 112     }
 113 }
 114
 115
 116 } } // end of namespace svx::sidebar