Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 705 insertions, 0 deletions

diff --git a/framework/source/fwe/helper/titlehelper.cxx b/framework/source/fwe/helper/titlehelper.cxx
new file mode 100644
index 000000000..fba89ae42
--- /dev/null
+++ b/framework/source/fwe/helper/titlehelper.cxx
@@ -0,0 +1,705 @@
+/* -*- 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 <config_features.h>
+
+#include <framework/titlehelper.hxx>
+#include <classes/fwkresid.hxx>
+#include <strings.hrc>
+#include <properties.h>
+
+#include <com/sun/star/frame/UntitledNumbersConst.hpp>
+#include <com/sun/star/frame/XStorable.hpp>
+#include <com/sun/star/frame/ModuleManager.hpp>
+#include <com/sun/star/frame/XUntitledNumbers.hpp>
+#include <com/sun/star/document/XDocumentEventBroadcaster.hpp>
+
+#include <unotools/configmgr.hxx>
+#include <unotools/bootstrap.hxx>
+#include <unotools/mediadescriptor.hxx>
+#include <comphelper/sequenceashashmap.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <osl/mutex.hxx>
+#include <tools/urlobj.hxx>
+#include <vcl/opengl/OpenGLWrapper.hxx>
+#include <vcl/skia/SkiaHelper.hxx>
+#include <vcl/svapp.hxx>
+
+
+using namespace css;
+using namespace css::uno;
+using namespace css::frame;
+
+namespace framework{
+
+TitleHelper::TitleHelper(const css::uno::Reference< css::uno::XComponentContext >& rxContext)
+    : ::cppu::BaseMutex ()
+    , m_xContext        (rxContext)
+    , m_xOwner          ()
+    , m_xUntitledNumbers()
+    , m_xSubTitle       ()
+    , m_bExternalTitle  (false)
+    , m_sTitle          ()
+    , m_nLeasedNumber   (css::frame::UntitledNumbersConst::INVALID_NUMBER)
+    , m_aListener       (m_aMutex)
+{
+}
+
+TitleHelper::~TitleHelper()
+{
+}
+
+void TitleHelper::setOwner(const css::uno::Reference< css::uno::XInterface >& xOwner)
+{
+    // SYNCHRONIZED ->
+    {
+        osl::MutexGuard aLock(m_aMutex);
+
+        m_xOwner = xOwner;
+    }
+    // <- SYNCHRONIZED
+
+    css::uno::Reference< css::frame::XModel > xModel(xOwner, css::uno::UNO_QUERY);
+    if (xModel.is ())
+    {
+        impl_startListeningForModel (xModel);
+        return;
+    }
+
+    css::uno::Reference< css::frame::XController > xController(xOwner, css::uno::UNO_QUERY);
+    if (xController.is ())
+    {
+        impl_startListeningForController (xController);
+        return;
+    }
+
+    css::uno::Reference< css::frame::XFrame > xFrame(xOwner, css::uno::UNO_QUERY);
+    if (xFrame.is ())
+    {
+        impl_startListeningForFrame (xFrame);
+        return;
+    }
+}
+
+OUString SAL_CALL TitleHelper::getTitle()
+{
+    // SYNCHRONIZED ->
+    osl::MutexGuard aLock(m_aMutex);
+
+    // An external title will win always and disable all internal logic about
+    // creating/using a title value.
+    // Even an empty string will be accepted as valid title !
+    if (m_bExternalTitle)
+        return m_sTitle;
+
+    // Title seems to be up-to-date. Return it directly.
+    if (!m_sTitle.isEmpty())
+        return m_sTitle;
+
+    // Title seems to be unused till now ... do bootstraping
+    impl_updateTitle (true);
+
+    return m_sTitle;
+    // <- SYNCHRONIZED
+}
+
+void TitleHelper::connectWithUntitledNumbers (const css::uno::Reference< css::frame::XUntitledNumbers >& xNumbers)
+{
+    // SYNCHRONIZED ->
+    osl::MutexGuard aLock(m_aMutex);
+
+    m_xUntitledNumbers = xNumbers;
+    // <- SYNCHRONIZED
+}
+
+void SAL_CALL TitleHelper::setTitle(const OUString& sTitle)
+{
+    // SYNCHRONIZED ->
+    {
+        osl::MutexGuard aLock(m_aMutex);
+
+        m_bExternalTitle = true;
+        m_sTitle         = sTitle;
+    }
+    // <- SYNCHRONIZED
+
+    impl_sendTitleChangedEvent ();
+}
+
+void SAL_CALL TitleHelper::addTitleChangeListener(const css::uno::Reference< css::frame::XTitleChangeListener >& xListener)
+{
+    // container is threadsafe by himself
+    m_aListener.addInterface( cppu::UnoType<css::frame::XTitleChangeListener>::get(), xListener );
+}
+
+void SAL_CALL TitleHelper::removeTitleChangeListener(const css::uno::Reference< css::frame::XTitleChangeListener >& xListener)
+{
+    // container is threadsafe by himself
+    m_aListener.removeInterface( cppu::UnoType<css::frame::XTitleChangeListener>::get(), xListener );
+}
+
+void SAL_CALL TitleHelper::titleChanged(const css::frame::TitleChangedEvent& aEvent)
+{
+    css::uno::Reference< css::frame::XTitle > xSubTitle;
+    // SYNCHRONIZED ->
+    {
+        osl::MutexGuard aLock(m_aMutex);
+
+        xSubTitle.set(m_xSubTitle.get (), css::uno::UNO_QUERY);
+    }
+    // <- SYNCHRONIZED
+
+    if (aEvent.Source != xSubTitle)
+        return;
+
+    impl_updateTitle ();
+}
+
+void SAL_CALL TitleHelper::documentEventOccured(const css::document::DocumentEvent& aEvent)
+{
+    if ( ! aEvent.EventName.equalsIgnoreAsciiCase("OnSaveAsDone")
+      && ! aEvent.EventName.equalsIgnoreAsciiCase("OnModeChanged")
+      && ! aEvent.EventName.equalsIgnoreAsciiCase("OnTitleChanged"))
+        return;
+
+    css::uno::Reference< css::frame::XModel > xOwner;
+    // SYNCHRONIZED ->
+    {
+        osl::MutexGuard aLock(m_aMutex);
+
+        xOwner.set(m_xOwner.get (), css::uno::UNO_QUERY);
+    }
+    // <- SYNCHRONIZED
+
+    if (aEvent.Source != xOwner
+        || ((aEvent.EventName.equalsIgnoreAsciiCase("OnModeChanged")
+             || aEvent.EventName.equalsIgnoreAsciiCase("OnTitleChanged"))
+            && !xOwner.is()))
+    {
+        return;
+    }
+
+    impl_updateTitle ();
+}
+
+void SAL_CALL TitleHelper::frameAction(const css::frame::FrameActionEvent& aEvent)
+{
+    css::uno::Reference< css::frame::XFrame > xOwner;
+    // SYNCHRONIZED ->
+    {
+        osl::MutexGuard aLock(m_aMutex);
+
+        xOwner.set(m_xOwner.get (), css::uno::UNO_QUERY);
+    }
+    // <- SYNCHRONIZED
+
+    if (aEvent.Source != xOwner)
+        return;
+
+    // we are interested on events only, which must trigger a title bar update
+    // because component was changed.
+    if (
+        (aEvent.Action == css::frame::FrameAction_COMPONENT_ATTACHED  ) ||
+        (aEvent.Action == css::frame::FrameAction_COMPONENT_REATTACHED) ||
+        (aEvent.Action == css::frame::FrameAction_COMPONENT_DETACHING )
+       )
+    {
+        impl_updateListeningForFrame (xOwner);
+        impl_updateTitle ();
+    }
+}
+
+void SAL_CALL TitleHelper::disposing(const css::lang::EventObject& aEvent)
+{
+    css::uno::Reference< css::uno::XInterface >         xOwner;
+    css::uno::Reference< css::frame::XUntitledNumbers > xNumbers;
+    ::sal_Int32                                         nLeasedNumber;
+    // SYNCHRONIZED ->
+    {
+        osl::MutexGuard aLock(m_aMutex);
+
+        xOwner = m_xOwner;
+        xNumbers.set(m_xUntitledNumbers.get(), css::uno::UNO_QUERY);
+        nLeasedNumber = m_nLeasedNumber;
+    }
+    // <- SYNCHRONIZED
+
+    if ( ! xOwner.is ())
+        return;
+
+    if (xOwner != aEvent.Source)
+        return;
+
+    if (
+        (xNumbers.is ()                                                   ) &&
+        (nLeasedNumber != css::frame::UntitledNumbersConst::INVALID_NUMBER)
+       )
+       xNumbers->releaseNumber (nLeasedNumber);
+
+    // SYNCHRONIZED ->
+    {
+        osl::MutexGuard aLock(m_aMutex);
+
+        m_xOwner        = nullptr;
+        m_sTitle        = OUString ();
+        m_nLeasedNumber = css::frame::UntitledNumbersConst::INVALID_NUMBER;
+    }
+    // <- SYNCHRONIZED
+}
+
+void TitleHelper::impl_sendTitleChangedEvent ()
+{
+    css::uno::Reference<css::uno::XInterface> xOwner;
+    // SYNCHRONIZED ->
+    {
+        osl::MutexGuard aLock(m_aMutex);
+
+        xOwner = m_xOwner;
+    }
+    // <- SYNCHRONIZED
+
+    css::frame::TitleChangedEvent aEvent(xOwner, m_sTitle);
+
+    if( ! aEvent.Source.is() )
+        return;
+
+    ::cppu::OInterfaceContainerHelper* pContainer = m_aListener.getContainer( cppu::UnoType<css::frame::XTitleChangeListener>::get());
+    if ( ! pContainer)
+        return;
+
+    ::cppu::OInterfaceIteratorHelper pIt( *pContainer );
+    while ( pIt.hasMoreElements() )
+    {
+        try
+        {
+            static_cast<css::frame::XTitleChangeListener*>(pIt.next())->titleChanged( aEvent );
+        }
+        catch(const css::uno::Exception&)
+        {
+            pIt.remove();
+        }
+    }
+}
+
+void TitleHelper::impl_updateTitle (bool init)
+{
+    css::uno::Reference< css::frame::XModel >      xModel;
+    css::uno::Reference< css::frame::XController > xController;
+    css::uno::Reference< css::frame::XFrame >      xFrame;
+    // SYNCHRONIZED ->
+    {
+        osl::MutexGuard aLock(m_aMutex);
+
+        xModel.set     (m_xOwner.get(), css::uno::UNO_QUERY);
+        xController.set(m_xOwner.get(), css::uno::UNO_QUERY);
+        xFrame.set     (m_xOwner.get(), css::uno::UNO_QUERY);
+    }
+    // <- SYNCHRONIZED
+
+    if (xModel.is ())
+    {
+        impl_updateTitleForModel (xModel, init);
+    }
+    else if (xController.is ())
+    {
+        impl_updateTitleForController (xController, init);
+    }
+    else if (xFrame.is ())
+    {
+        impl_updateTitleForFrame (xFrame, init);
+    }
+}
+
+void TitleHelper::impl_updateTitleForModel (const css::uno::Reference< css::frame::XModel >& xModel, bool init)
+{
+    css::uno::Reference< css::uno::XInterface >         xOwner;
+    css::uno::Reference< css::frame::XUntitledNumbers > xNumbers;
+    ::sal_Int32                                         nLeasedNumber;
+    // SYNCHRONIZED ->
+    {
+        osl::MutexGuard aLock(m_aMutex);
+
+        // external title won't be updated internally!
+        // It has to be set from outside new.
+        if (m_bExternalTitle)
+            return;
+
+        xOwner = m_xOwner;
+        xNumbers.set   (m_xUntitledNumbers.get(), css::uno::UNO_QUERY);
+        nLeasedNumber = m_nLeasedNumber;
+    }
+    // <- SYNCHRONIZED
+
+    if (
+        ( ! xOwner.is    ()) ||
+        ( ! xNumbers.is  ()) ||
+        ( ! xModel.is    ())
+       )
+        return;
+
+    OUString sTitle;
+    OUString sURL;
+
+    css::uno::Reference< css::frame::XStorable > xURLProvider(xModel , css::uno::UNO_QUERY);
+    if (xURLProvider.is())
+        sURL = xURLProvider->getLocation ();
+
+    utl::MediaDescriptor aDescriptor(xModel->getArgs());
+    const OUString sSuggestedSaveAsName = aDescriptor.getUnpackedValueOrDefault(
+        utl::MediaDescriptor::PROP_SUGGESTEDSAVEASNAME(), OUString());
+
+    if (!sURL.isEmpty())
+    {
+        sTitle = impl_convertURL2Title(sURL);
+        if (nLeasedNumber != css::frame::UntitledNumbersConst::INVALID_NUMBER)
+            xNumbers->releaseNumber (nLeasedNumber);
+        nLeasedNumber = css::frame::UntitledNumbersConst::INVALID_NUMBER;
+    }
+    else if (!sSuggestedSaveAsName.isEmpty())
+    {
+        // tdf#121537 Use suggested save as name for title if file has not yet been saved
+        sTitle = sSuggestedSaveAsName;
+    }
+    else
+    {
+        if (nLeasedNumber == css::frame::UntitledNumbersConst::INVALID_NUMBER)
+            nLeasedNumber = xNumbers->leaseNumber (xOwner);
+
+        OUStringBuffer sNewTitle(256);
+        sNewTitle.append (xNumbers->getUntitledPrefix ());
+        if (nLeasedNumber != css::frame::UntitledNumbersConst::INVALID_NUMBER)
+            sNewTitle.append(nLeasedNumber);
+        else
+            sNewTitle.append("?");
+
+        sTitle = sNewTitle.makeStringAndClear ();
+    }
+
+    bool     bChanged;
+    // SYNCHRONIZED ->
+    {
+        osl::MutexGuard aLock(m_aMutex);
+
+        // WORKAROUND: the notification is currently sent always,
+        //             can be changed after shared mode is supported per UNO API
+        bChanged        = !init; // && m_sTitle != sTitle
+
+        m_sTitle        = sTitle;
+        m_nLeasedNumber = nLeasedNumber;
+    }
+    // <- SYNCHRONIZED
+
+    if (bChanged)
+        impl_sendTitleChangedEvent ();
+}
+
+void TitleHelper::impl_updateTitleForController (const css::uno::Reference< css::frame::XController >& xController, bool init)
+{
+    css::uno::Reference< css::uno::XInterface >         xOwner;
+    css::uno::Reference< css::frame::XUntitledNumbers > xNumbers;
+    ::sal_Int32                                         nLeasedNumber;
+    // SYNCHRONIZED ->
+    {
+        osl::MutexGuard aLock(m_aMutex);
+
+        // external title won't be updated internally!
+        // It has to be set from outside new.
+        if (m_bExternalTitle)
+            return;
+
+        xOwner = m_xOwner;
+        xNumbers.set    (m_xUntitledNumbers.get(), css::uno::UNO_QUERY);
+        nLeasedNumber = m_nLeasedNumber;
+    }
+    // <- SYNCHRONIZED
+
+    if (
+        ( ! xOwner.is      ()) ||
+        ( ! xNumbers.is    ()) ||
+        ( ! xController.is ())
+       )
+        return;
+
+    OUStringBuffer sTitle(256);
+
+    if (nLeasedNumber == css::frame::UntitledNumbersConst::INVALID_NUMBER)
+        nLeasedNumber = xNumbers->leaseNumber (xOwner);
+
+    css::uno::Reference< css::frame::XTitle > xModelTitle(xController->getModel (), css::uno::UNO_QUERY);
+    css::uno::Reference< css::frame::XModel > xModel = xController->getModel ();
+    if (!xModelTitle.is ())
+        xModelTitle.set(xController, css::uno::UNO_QUERY);
+    if (xModelTitle.is ())
+    {
+        sTitle.append      (xModelTitle->getTitle ());
+        if ( nLeasedNumber > 1 )
+        {
+            sTitle.append(" : ");
+            sTitle.append(nLeasedNumber);
+        }
+        if (xModel.is ())
+        {
+            INetURLObject aURL (xModel->getURL ());
+            if (aURL.GetProtocol () != INetProtocol::File
+                && aURL.GetProtocol () != INetProtocol::NotValid)
+            {
+                OUString sRemoteText (FwkResId (STR_REMOTE_TITLE));
+                sTitle.append (sRemoteText);
+            }
+        }
+    }
+    else
+    {
+        sTitle.append (xNumbers->getUntitledPrefix ());
+        if ( nLeasedNumber > 1 )
+        {
+            sTitle.append(nLeasedNumber  );
+        }
+    }
+
+    bool     bChanged;
+    // SYNCHRONIZED ->
+    {
+        osl::MutexGuard aLock(m_aMutex);
+
+        OUString sNewTitle       = sTitle.makeStringAndClear ();
+        bChanged        = !init && m_sTitle != sNewTitle;
+        m_sTitle        = sNewTitle;
+        m_nLeasedNumber = nLeasedNumber;
+    }
+    // <- SYNCHRONIZED
+
+    if (bChanged)
+        impl_sendTitleChangedEvent ();
+}
+
+void TitleHelper::impl_updateTitleForFrame (const css::uno::Reference< css::frame::XFrame >& xFrame, bool init)
+{
+    if ( ! xFrame.is ())
+        return;
+
+    // SYNCHRONIZED ->
+    {
+        osl::MutexGuard aLock(m_aMutex);
+
+        // external title won't be updated internally!
+        // It has to be set from outside new.
+        if (m_bExternalTitle)
+            return;
+    }
+    // <- SYNCHRONIZED
+
+    css::uno::Reference< css::uno::XInterface > xComponent = xFrame->getController ();
+    if ( ! xComponent.is ())
+        xComponent = xFrame->getComponentWindow ();
+
+    OUStringBuffer sTitle (256);
+
+    impl_appendComponentTitle   (sTitle, xComponent);
+#ifndef MACOSX
+    // fdo#70376: We want the window title to contain just the
+    // document name (from the above "component title").
+    impl_appendProductName      (sTitle);
+    impl_appendModuleName       (sTitle);
+    impl_appendDebugVersion     (sTitle);
+#endif
+    impl_appendSafeMode         (sTitle);
+
+    bool     bChanged;
+    // SYNCHRONIZED ->
+    {
+        osl::MutexGuard aLock(m_aMutex);
+
+        OUString sNewTitle = sTitle.makeStringAndClear ();
+        bChanged  = !init && m_sTitle != sNewTitle;
+        m_sTitle  = sNewTitle;
+    }
+    // <- SYNCHRONIZED
+
+    if (bChanged)
+        impl_sendTitleChangedEvent ();
+}
+
+void TitleHelper::impl_appendComponentTitle (      OUStringBuffer&                       sTitle    ,
+                                             const css::uno::Reference< css::uno::XInterface >& xComponent)
+{
+    css::uno::Reference< css::frame::XTitle > xTitle(xComponent, css::uno::UNO_QUERY);
+
+    // Note: Title has to be used (even if it's empty) if the right interface is supported.
+    if (xTitle.is ())
+        sTitle.append (xTitle->getTitle ());
+}
+
+void TitleHelper::impl_appendProductName (OUStringBuffer& sTitle)
+{
+    OUString name(utl::ConfigManager::getProductName());
+    if (!name.isEmpty())
+    {
+        if (!sTitle.isEmpty())
+            sTitle.append(" - ");
+        sTitle.append(name);
+    }
+}
+
+void TitleHelper::impl_appendModuleName (OUStringBuffer& sTitle)
+{
+    css::uno::Reference< css::uno::XInterface >        xOwner;
+    css::uno::Reference< css::uno::XComponentContext > xContext;
+    // SYNCHRONIZED ->
+    {
+        osl::MutexGuard aLock(m_aMutex);
+
+        xOwner   = m_xOwner.get();
+        xContext = m_xContext;
+    }
+    // <- SYNCHRONIZED
+
+    try
+    {
+        css::uno::Reference< css::frame::XModuleManager2 > xModuleManager =
+            css::frame::ModuleManager::create(xContext);
+
+        const OUString                 sID     = xModuleManager->identify(xOwner);
+        ::comphelper::SequenceAsHashMap lProps  = xModuleManager->getByName (sID);
+        const OUString                 sUIName = lProps.getUnpackedValueOrDefault (OFFICEFACTORY_PROPNAME_ASCII_UINAME, OUString());
+
+        // An UIname property is an optional value !
+        // So please add it to the title in case it does really exists only.
+        if (!sUIName.isEmpty())
+        {
+            sTitle.append (" "    );
+            sTitle.append      (sUIName);
+        }
+    }
+    catch(const css::uno::Exception&)
+    {}
+}
+
+#ifdef DBG_UTIL
+void TitleHelper::impl_appendDebugVersion (OUStringBuffer& sTitle)
+{
+    OUString version(utl::ConfigManager::getProductVersion());
+    sTitle.append(' ');
+    sTitle.append(version);
+    OUString sVersion = ::utl::Bootstrap::getBuildIdData("development");
+    sTitle.append(" [");
+    sTitle.append(sVersion);
+#if HAVE_FEATURE_UI
+    if (OpenGLWrapper::isVCLOpenGLEnabled() && !SkiaHelper::isVCLSkiaEnabled())
+        sTitle.append("-GL");
+#endif
+    sTitle.append("]");
+}
+#else
+void TitleHelper::impl_appendDebugVersion (OUStringBuffer&)
+{
+}
+#endif
+
+void TitleHelper::impl_appendSafeMode (OUStringBuffer& sTitle)
+{
+    if (Application::IsSafeModeEnabled())
+        sTitle.append(FwkResId (STR_SAFEMODE_TITLE));
+}
+
+void TitleHelper::impl_startListeningForModel (const css::uno::Reference< css::frame::XModel >& xModel)
+{
+    css::uno::Reference< css::document::XDocumentEventBroadcaster > xBroadcaster(xModel, css::uno::UNO_QUERY);
+    if ( ! xBroadcaster.is ())
+        return;
+
+    xBroadcaster->addDocumentEventListener (static_cast< css::document::XDocumentEventListener* >(this));
+}
+
+void TitleHelper::impl_startListeningForController (const css::uno::Reference< css::frame::XController >& xController)
+{
+    xController->addEventListener (static_cast< css::lang::XEventListener* > (static_cast< css::frame::XFrameActionListener* > (this) ) );
+    css::uno::Reference< css::frame::XTitle > xSubTitle(xController->getModel (), css::uno::UNO_QUERY);
+    impl_setSubTitle (xSubTitle);
+}
+
+void TitleHelper::impl_startListeningForFrame (const css::uno::Reference< css::frame::XFrame >& xFrame)
+{
+    xFrame->addFrameActionListener(this  );
+    impl_updateListeningForFrame  (xFrame);
+}
+
+void TitleHelper::impl_updateListeningForFrame (const css::uno::Reference< css::frame::XFrame >& xFrame)
+{
+    css::uno::Reference< css::frame::XTitle > xSubTitle(xFrame->getController (), css::uno::UNO_QUERY);
+    impl_setSubTitle (xSubTitle);
+}
+
+void TitleHelper::impl_setSubTitle (const css::uno::Reference< css::frame::XTitle >& xSubTitle)
+{
+    css::uno::Reference< css::frame::XTitle > xOldSubTitle;
+    // SYNCHRONIZED ->
+    {
+        osl::MutexGuard aLock(m_aMutex);
+
+        // ignore duplicate calls. Makes outside using of this helper more easy :-)
+        xOldSubTitle.set(m_xSubTitle.get(), css::uno::UNO_QUERY);
+        if (xOldSubTitle == xSubTitle)
+            return;
+
+        m_xSubTitle = xSubTitle;
+    }
+    // <- SYNCHRONIZED
+
+    css::uno::Reference< css::frame::XTitleChangeBroadcaster > xOldBroadcaster(xOldSubTitle                                          , css::uno::UNO_QUERY      );
+    css::uno::Reference< css::frame::XTitleChangeBroadcaster > xNewBroadcaster(xSubTitle                                             , css::uno::UNO_QUERY      );
+    css::uno::Reference< css::frame::XTitleChangeListener >    xThis          (static_cast< css::frame::XTitleChangeListener* >(this), css::uno::UNO_QUERY_THROW);
+
+    if (xOldBroadcaster.is())
+        xOldBroadcaster->removeTitleChangeListener (xThis);
+
+    if (xNewBroadcaster.is())
+        xNewBroadcaster->addTitleChangeListener (xThis);
+}
+
+OUString TitleHelper::impl_convertURL2Title(const OUString& sURL)
+{
+    INetURLObject   aURL (sURL);
+    OUString sTitle;
+
+    if (aURL.GetProtocol() == INetProtocol::File)
+    {
+        if (aURL.HasMark())
+            aURL = INetURLObject(aURL.GetURLNoMark());
+
+        sTitle = aURL.getName(INetURLObject::LAST_SEGMENT, true, INetURLObject::DecodeMechanism::WithCharset);
+    }
+    else
+    {
+        if (aURL.hasExtension())
+            sTitle = aURL.getName(INetURLObject::LAST_SEGMENT, true, INetURLObject::DecodeMechanism::WithCharset);
+
+        if ( sTitle.isEmpty() )
+            sTitle = aURL.GetHostPort(INetURLObject::DecodeMechanism::WithCharset);
+
+        if ( sTitle.isEmpty() )
+            sTitle = aURL.GetURLNoPass(INetURLObject::DecodeMechanism::WithCharset);
+    }
+
+    return sTitle;
+}
+
+} // namespace framework
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */