Line data    Source code

       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             : #include <sidebar/ContextChangeBroadcaster.hxx>
      20             : #include <sfx2/sidebar/EnumContext.hxx>
      21             : #include <com/sun/star/ui/ContextChangeEventObject.hpp>
      22             : #include <com/sun/star/ui/ContextChangeEventMultiplexer.hpp>
      23             : #include <com/sun/star/frame/ModuleManager.hpp>
      24             : #include <osl/diagnose.h>
      25             : #include <comphelper/processfactory.hxx>
      26             : 
      27             : using ::rtl::OUString;
      28             : using namespace css;
      29             : using namespace css::uno;
      30             : 
      31             : namespace sfx2 { namespace sidebar {
      32             : 
      33       24840 : ContextChangeBroadcaster::ContextChangeBroadcaster()
      34             :     : msContextName(),
      35       24840 :       mbIsBroadcasterEnabled(true)
      36             : {
      37       24840 : }
      38             : 
      39       24441 : ContextChangeBroadcaster::~ContextChangeBroadcaster()
      40             : {
      41       24441 : }
      42             : 
      43        3881 : void ContextChangeBroadcaster::Initialize (const ::rtl::OUString& rsContextName)
      44             : {
      45        3881 :     msContextName = rsContextName;
      46        3881 : }
      47             : 
      48       18742 : void ContextChangeBroadcaster::Activate (const css::uno::Reference<css::frame::XFrame>& rxFrame)
      49             : {
      50       18742 :     if (msContextName.getLength() > 0)
      51        3247 :         BroadcastContextChange(rxFrame, GetModuleName(rxFrame), msContextName);
      52       18742 : }
      53             : 
      54       12827 : void ContextChangeBroadcaster::Deactivate (const css::uno::Reference<css::frame::XFrame>& rxFrame)
      55             : {
      56       12827 :     if (msContextName.getLength() > 0)
      57             :     {
      58             :         BroadcastContextChange(
      59             :             rxFrame,
      60             :             GetModuleName(rxFrame),
      61        3776 :             EnumContext::GetContextName(EnumContext::Context_Default));
      62             :     }
      63       12827 : }
      64             : 
      65        1062 : bool ContextChangeBroadcaster::SetBroadcasterEnabled (const bool bIsEnabled)
      66             : {
      67        1062 :     const bool bWasEnabled (mbIsBroadcasterEnabled);
      68        1062 :     mbIsBroadcasterEnabled = bIsEnabled;
      69        1062 :     return bWasEnabled;
      70             : }
      71             : 
      72        7023 : void ContextChangeBroadcaster::BroadcastContextChange (
      73             :     const css::uno::Reference<css::frame::XFrame>& rxFrame,
      74             :     const ::rtl::OUString& rsModuleName,
      75             :     const ::rtl::OUString& rsContextName)
      76             : {
      77        7023 :     if ( ! mbIsBroadcasterEnabled)
      78        4243 :         return;
      79             : 
      80        6492 :     if (rsContextName.getLength() == 0)
      81           0 :         return;
      82             : 
      83        6492 :     if ( ! rxFrame.is() || ! rxFrame->getController().is())
      84             :     {
      85             :         // Frame is (probably) being deleted.  Broadcasting context
      86             :         // changes is not necessary anymore.
      87        3181 :         return;
      88             :     }
      89             : 
      90             :     const css::ui::ContextChangeEventObject aEvent(
      91        3311 :         rxFrame->getController(),
      92             :         rsModuleName,
      93        3311 :         rsContextName);
      94             : 
      95             :     css::uno::Reference<css::ui::XContextChangeEventMultiplexer> xMultiplexer (
      96             :         css::ui::ContextChangeEventMultiplexer::get(
      97        6622 :             ::comphelper::getProcessComponentContext()));
      98        3311 :     if (xMultiplexer.is())
      99        6622 :         xMultiplexer->broadcastContextChangeEvent(aEvent, rxFrame->getController());
     100             : }
     101             : 
     102        7023 : OUString ContextChangeBroadcaster::GetModuleName (const css::uno::Reference<css::frame::XFrame>& rxFrame)
     103             : {
     104        7023 :     if ( ! rxFrame.is() || ! rxFrame->getController().is())
     105        3555 :         return OUString();
     106             :     try
     107             :     {
     108        3468 :         const Reference<XComponentContext> xContext (::comphelper::getProcessComponentContext() );
     109        6936 :         const Reference<frame::XModuleManager> xModuleManager  = frame::ModuleManager::create( xContext );
     110        6936 :         return xModuleManager->identify(rxFrame);
     111             :     }
     112           0 :     catch (const Exception&)
     113             :     {
     114             :         OSL_ENSURE(false, "can not determine module name");
     115             :     }
     116           0 :     return OUString();
     117             : }
     118             : 
     119             : } } // end of namespace ::sd::sidebar
     120             : 
     121             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */