svx/source/sidebar/ContextChangeEventMultiplexer.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.
   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
  20 #include <svx/sidebar/ContextChangeEventMultiplexer.hxx>
  21
  22 #include <com/sun/star/ui/ContextChangeEventObject.hpp>
  23 #include <com/sun/star/ui/XContextChangeEventMultiplexer.hpp>
  24 #include <com/sun/star/ui/ContextChangeEventMultiplexer.hpp>
  25 #include <com/sun/star/frame/ModuleManager.hpp>
  26 #include <comphelper/lok.hxx>
  27 #include <comphelper/processfactory.hxx>
  28 #include <sfx2/lokhelper.hxx>
  29 #include <sfx2/viewsh.hxx>
  30
  31 using namespace css;
  32 using namespace css::uno;
  33
  34
  35 void ContextChangeEventMultiplexer::NotifyContextChange (
  36     const css::uno::Reference<css::frame::XController>& rxController,
  37     const vcl::EnumContext::Context eContext)
  38 {
  39     if (!(rxController.is() && rxController->getFrame().is()))
  40         return;
  41
  42     const css::ui::ContextChangeEventObject aEvent(
  43         rxController,
  44         GetModuleName(rxController->getFrame()),
  45         vcl::EnumContext::GetContextName(eContext));
  46
  47     css::uno::Reference<css::ui::XContextChangeEventMultiplexer> xMultiplexer (
  48         css::ui::ContextChangeEventMultiplexer::get(
  49             ::comphelper::getProcessComponentContext()));
  50     if (xMultiplexer.is())
  51         xMultiplexer->broadcastContextChangeEvent(aEvent, rxController);
  52
  53     // notify the LOK too after all the change have taken effect.
  54     if (comphelper::LibreOfficeKit::isActive())
  55     {
  56         SfxLokHelper::notifyContextChange(aEvent);
  57     }
  58 }
  59
  60
  61 void ContextChangeEventMultiplexer::NotifyContextChange (
  62     const SfxViewShell* pViewShell,
  63     const vcl::EnumContext::Context eContext)
  64 {
  65     if (pViewShell != nullptr)
  66         NotifyContextChange(pViewShell->GetController(), eContext);
  67 }
  68
  69
  70 OUString ContextChangeEventMultiplexer::GetModuleName (
  71     const css::uno::Reference<css::frame::XFrame>& rxFrame)
  72 {
  73     try
  74     {
  75         const Reference<frame::XModuleManager> xModuleManager =
  76             frame::ModuleManager::create( comphelper::getProcessComponentContext() );
  77         return xModuleManager->identify(rxFrame);
  78     }
  79     catch (const Exception&)
  80     {
  81         // An exception typically means that a context change is notified
  82         // during initialization or destruction of a view.
  83         // Ignore it.
  84     }
  85     return vcl::EnumContext::GetApplicationName(
  86         vcl::EnumContext::Application::NONE);
  87 }
  88
  89 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */