svx/source/sidebar/ContextChangeEventMultiplexer.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
  19 #include "svx/sidebar/ContextChangeEventMultiplexer.hxx"
  20
  21 #include <com/sun/star/ui/ContextChangeEventObject.hpp>
  22 #include <com/sun/star/ui/XContextChangeEventMultiplexer.hpp>
  23 #include <com/sun/star/ui/ContextChangeEventMultiplexer.hpp>
  24 #include <com/sun/star/frame/XModuleManager.hpp>
  25 #include <comphelper/processfactory.hxx>
  26 #include <comphelper/componentcontext.hxx>
  27 #include <sfx2/viewsh.hxx>
  28 #include <tools/diagnose_ex.h>
  29
  30 using namespace css;
  31 using namespace cssu;
  32
  33
  34 void ContextChangeEventMultiplexer::NotifyContextChange (
  35     const cssu::Reference<css::frame::XController>& rxController,
  36     const ::sfx2::sidebar::EnumContext::Context eContext)
  37 {
  38     if (rxController.is() && rxController->getFrame().is())
  39     {
  40         const css::ui::ContextChangeEventObject aEvent(
  41             rxController,
  42             GetModuleName(rxController->getFrame()),
  43             ::sfx2::sidebar::EnumContext::GetContextName(eContext));
  44
  45         cssu::Reference<css::ui::XContextChangeEventMultiplexer> xMultiplexer (
  46             css::ui::ContextChangeEventMultiplexer::get(
  47                 ::comphelper::getProcessComponentContext()));
  48         if (xMultiplexer.is())
  49             xMultiplexer->broadcastContextChangeEvent(aEvent, rxController);
  50     }
  51 }
  52
  53
  54
  55
  56 void ContextChangeEventMultiplexer::NotifyContextChange (
  57     SfxViewShell* pViewShell,
  58     const ::sfx2::sidebar::EnumContext::Context eContext)
  59 {
  60     if (pViewShell != NULL)
  61         NotifyContextChange(pViewShell->GetController(), eContext);
  62 }
  63
  64
  65
  66
  67 ::rtl::OUString ContextChangeEventMultiplexer::GetModuleName (
  68     const cssu::Reference<css::frame::XFrame>& rxFrame)
  69 {
  70     try
  71     {
  72         const ::comphelper::ComponentContext aContext (::comphelper::getProcessServiceFactory());
  73         const Reference<frame::XModuleManager> xModuleManager (
  74             aContext.createComponent("com.sun.star.frame.ModuleManager" ),
  75             UNO_QUERY_THROW );
  76         return xModuleManager->identify(rxFrame);
  77     }
  78     catch (const Exception&)
  79     {
  80         // An exception typically means that a context change is notified
  81         // during initialization or destruction of a view.
  82         // Ignore it.
  83     }
  84     return ::sfx2::sidebar::EnumContext::GetApplicationName(
  85         ::sfx2::sidebar::EnumContext::Application_None);
  86 }