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-rw-r--r--sfx2/source/sidebar/ContextChangeBroadcaster.cxx127
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diff --git a/sfx2/source/sidebar/ContextChangeBroadcaster.cxx b/sfx2/source/sidebar/ContextChangeBroadcaster.cxx
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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/lok.hxx>
+#include <comphelper/processfactory.hxx>
+#include <sfx2/lokhelper.hxx>
+#include <sfx2/viewsh.hxx>
+
+using namespace css;
+using namespace css::uno;
+
+namespace sfx2::sidebar {
+
+ContextChangeBroadcaster::ContextChangeBroadcaster()
+ : mbIsBroadcasterEnabled(true)
+{
+}
+
+ContextChangeBroadcaster::~ContextChangeBroadcaster()
+{
+}
+
+void ContextChangeBroadcaster::Initialize (const 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 && !comphelper::LibreOfficeKit::isActive())
+ {
+ 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 OUString& rsModuleName,
+ const 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;
+ }
+
+ // notify the LOK too
+ if (comphelper::LibreOfficeKit::isActive())
+ {
+ if (SfxViewShell* pViewShell = SfxViewShell::Get(rxFrame->getController()))
+ SfxLokHelper::notifyContextChange(pViewShell, rsModuleName, rsContextName);
+ }
+
+ 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 ::sfx2::sidebar
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */