sdext/source/presenter/PresenterFrameworkObserver.cxx

   1 /*************************************************************************
   2  *
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * Copyright 2008 by Sun Microsystems, Inc.
   6  *
   7  * OpenOffice.org - a multi-platform office productivity suite
   8  *
   9  * $RCSfile: PresenterFrameworkObserver.cxx,v $
  10  *
  11  * $Revision: 1.5 $
  12  *
  13  * This file is part of OpenOffice.org.
  14  *
  15  * OpenOffice.org is free software: you can redistribute it and/or modify
  16  * it under the terms of the GNU Lesser General Public License version 3
  17  * only, as published by the Free Software Foundation.
  18  *
  19  * OpenOffice.org is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU Lesser General Public License version 3 for more details
  23  * (a copy is included in the LICENSE file that accompanied this code).
  24  *
  25  * You should have received a copy of the GNU Lesser General Public License
  26  * version 3 along with OpenOffice.org.  If not, see
  27  * <http://www.openoffice.org/license.html>
  28  * for a copy of the LGPLv3 License.
  29  *
  30  ************************************************************************/
  31
  32 // MARKER(update_precomp.py): autogen include statement, do not remove
  33 #include "precompiled_sdext.hxx"
  34
  35 #include "PresenterFrameworkObserver.hxx"
  36 #include <com/sun/star/lang/IllegalArgumentException.hpp>
  37 #include <boost/bind.hpp>
  38
  39 using namespace ::com::sun::star;
  40 using namespace ::com::sun::star::uno;
  41 using namespace ::com::sun::star::drawing::framework;
  42
  43 using ::rtl::OUString;
  44
  45 #define A2S(pString) (::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(pString)))
  46
  47 namespace sdext { namespace presenter {
  48
  49 PresenterFrameworkObserver::PresenterFrameworkObserver (
  50     const css::uno::Reference<css::drawing::framework::XConfigurationController>&rxController,
  51     const OUString& rsEventName,
  52     const Predicate& rPredicate,
  53     const Action& rAction)
  54     : PresenterFrameworkObserverInterfaceBase(m_aMutex),
  55       mxConfigurationController(rxController),
  56       maPredicate(rPredicate),
  57       maAction(rAction)
  58 {
  59     if ( ! mxConfigurationController.is())
  60         throw lang::IllegalArgumentException();
  61
  62     if (mxConfigurationController->hasPendingRequests())
  63     {
  64         if (rsEventName.getLength() > 0)
  65         {
  66             mxConfigurationController->addConfigurationChangeListener(
  67                 this,
  68                 rsEventName,
  69                 Any());
  70         }
  71         mxConfigurationController->addConfigurationChangeListener(
  72             this,
  73             A2S("ConfigurationUpdateEnd"),
  74             Any());
  75     }
  76     else
  77     {
  78         rAction(maPredicate());
  79     }
  80 }
  81
  82
  83
  84
  85 PresenterFrameworkObserver::~PresenterFrameworkObserver (void)
  86 {
  87 }
  88
  89
  90
  91
  92 void PresenterFrameworkObserver::RunOnResourceActivation (
  93     const css::uno::Reference<css::drawing::framework::XConfigurationController>&rxController,
  94     const css::uno::Reference<css::drawing::framework::XResourceId>& rxResourceId,
  95     const Action& rAction)
  96 {
  97     new PresenterFrameworkObserver(
  98         rxController,
  99         A2S("ResourceActivation"),
 100         ::boost::bind(&PresenterFrameworkObserver::HasResource, rxController, rxResourceId),
 101         rAction);
 102 }
 103
 104
 105
 106
 107 void PresenterFrameworkObserver::RunOnUpdateEnd (
 108     const css::uno::Reference<css::drawing::framework::XConfigurationController>&rxController,
 109     const Action& rAction)
 110 {
 111     new PresenterFrameworkObserver(
 112         rxController,
 113         OUString(),
 114         &PresenterFrameworkObserver::True,
 115         rAction);
 116 }
 117
 118
 119
 120
 121 bool PresenterFrameworkObserver::HasResource (
 122     const css::uno::Reference<css::drawing::framework::XConfigurationController>&rxController,
 123     const css::uno::Reference<css::drawing::framework::XResourceId>& rxResourceId)
 124 {
 125     return rxController.is() && rxController->getResource(rxResourceId).is();
 126 }
 127
 128
 129
 130
 131 bool PresenterFrameworkObserver::True (void)
 132 {
 133     return true;
 134 }
 135
 136
 137
 138
 139 bool PresenterFrameworkObserver::False (void)
 140 {
 141     return false;
 142 }
 143
 144
 145
 146
 147 void SAL_CALL PresenterFrameworkObserver::disposing (void)
 148 {
 149     if ( ! maAction.empty())
 150         maAction(false);
 151     Shutdown();
 152 }
 153
 154
 155
 156
 157 void PresenterFrameworkObserver::Shutdown (void)
 158 {
 159     maAction = Action();
 160     maPredicate = Predicate();
 161
 162     if (mxConfigurationController != NULL)
 163     {
 164         mxConfigurationController->removeConfigurationChangeListener(this);
 165         mxConfigurationController = NULL;
 166     }
 167 }
 168
 169
 170
 171
 172 void SAL_CALL PresenterFrameworkObserver::disposing (const lang::EventObject& rEvent)
 173     throw (RuntimeException)
 174 {
 175     if ( ! rEvent.Source.is())
 176         return;
 177
 178     if (rEvent.Source == mxConfigurationController)
 179     {
 180         mxConfigurationController = NULL;
 181         if ( ! maAction.empty())
 182             maAction(false);
 183     }
 184 }
 185
 186
 187
 188
 189 void SAL_CALL PresenterFrameworkObserver::notifyConfigurationChange (
 190     const ConfigurationChangeEvent& rEvent)
 191     throw (RuntimeException)
 192 {
 193     bool bDispose(false);
 194
 195     Action aAction (maAction);
 196     Predicate aPredicate (maPredicate);
 197     if (rEvent.Type.equals(A2S("ConfigurationUpdateEnd")))
 198     {
 199         Shutdown();
 200         aAction(aPredicate);
 201         bDispose = true;
 202     }
 203     else if (aPredicate())
 204     {
 205         Shutdown();
 206         aAction(true);
 207         bDispose = true;
 208     }
 209
 210     if (bDispose)
 211     {
 212         maAction.clear();
 213         dispose();
 214     }
 215 }
 216
 217 } }  // end of namespace ::sdext::presenter