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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <sidebar/ContextChangeBroadcaster.hxx>
#include <vcl/EnumContext.hxx>
#include <com/sun/star/ui/ContextChangeEventObject.hpp>
#include <com/sun/star/ui/ContextChangeEventMultiplexer.hpp>
#include <com/sun/star/frame/ModuleManager.hpp>
#include <osl/diagnose.h>
#include <comphelper/processfactory.hxx>
using ::rtl::OUString;
using namespace css;
using namespace css::uno;
namespace sfx2 { namespace sidebar {
ContextChangeBroadcaster::ContextChangeBroadcaster()
: msContextName(),
mbIsBroadcasterEnabled(true)
{
}
ContextChangeBroadcaster::~ContextChangeBroadcaster()
{
}
void ContextChangeBroadcaster::Initialize (const ::rtl::OUString& rsContextName)
{
msContextName = rsContextName;
}
void ContextChangeBroadcaster::Activate (const css::uno::Reference<css::frame::XFrame>& rxFrame)
{
if (msContextName.getLength() > 0)
BroadcastContextChange(rxFrame, GetModuleName(rxFrame), msContextName);
}
void ContextChangeBroadcaster::Deactivate (const css::uno::Reference<css::frame::XFrame>& rxFrame)
{
if (msContextName.getLength() > 0)
{
BroadcastContextChange(
rxFrame,
GetModuleName(rxFrame),
vcl::EnumContext::GetContextName(vcl::EnumContext::Context::Default));
}
}
bool ContextChangeBroadcaster::SetBroadcasterEnabled (const bool bIsEnabled)
{
const bool bWasEnabled (mbIsBroadcasterEnabled);
mbIsBroadcasterEnabled = bIsEnabled;
return bWasEnabled;
}
void ContextChangeBroadcaster::BroadcastContextChange (
const css::uno::Reference<css::frame::XFrame>& rxFrame,
const ::rtl::OUString& rsModuleName,
const ::rtl::OUString& rsContextName)
{
if ( ! mbIsBroadcasterEnabled)
return;
if (rsContextName.getLength() == 0)
return;
if ( ! rxFrame.is() || ! rxFrame->getController().is())
{
// Frame is (probably) being deleted. Broadcasting context
// changes is not necessary anymore.
return;
}
const css::ui::ContextChangeEventObject aEvent(
rxFrame->getController(),
rsModuleName,
rsContextName);
css::uno::Reference<css::ui::XContextChangeEventMultiplexer> xMultiplexer (
css::ui::ContextChangeEventMultiplexer::get(
::comphelper::getProcessComponentContext()));
if (xMultiplexer.is())
xMultiplexer->broadcastContextChangeEvent(aEvent, rxFrame->getController());
}
OUString ContextChangeBroadcaster::GetModuleName (const css::uno::Reference<css::frame::XFrame>& rxFrame)
{
if ( ! rxFrame.is() || ! rxFrame->getController().is())
return OUString();
try
{
const Reference<XComponentContext> xContext (::comphelper::getProcessComponentContext() );
const Reference<frame::XModuleManager> xModuleManager = frame::ModuleManager::create( xContext );
return xModuleManager->identify(rxFrame);
}
catch (const Exception&)
{
OSL_ENSURE(false, "can not determine module name");
}
return OUString();
}
} } // end of namespace ::sd::sidebar
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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