framework/source/fwe/helper/titlehelper.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 <framework/titlehelper.hxx>
  21 #include <classes/fwkresid.hxx>
  22 #include <strings.hrc>
  23 #include <properties.h>
  24
  25 #include <com/sun/star/frame/UntitledNumbersConst.hpp>
  26 #include <com/sun/star/frame/XStorable.hpp>
  27 #include <com/sun/star/frame/ModuleManager.hpp>
  28 #include <com/sun/star/frame/XUntitledNumbers.hpp>
  29 #include <com/sun/star/frame/XModel3.hpp>
  30 #include <com/sun/star/document/XDocumentEventBroadcaster.hpp>
  31
  32 #include <unotools/configmgr.hxx>
  33 #include <unotools/bootstrap.hxx>
  34 #include <unotools/mediadescriptor.hxx>
  35 #include <comphelper/sequenceashashmap.hxx>
  36 #include <rtl/ustrbuf.hxx>
  37 #include <osl/mutex.hxx>
  38 #include <tools/urlobj.hxx>
  39 #include <utility>
  40 #include <vcl/svapp.hxx>
  41
  42
  43 using namespace css;
  44 using namespace css::uno;
  45 using namespace css::frame;
  46
  47 namespace framework{
  48
  49 TitleHelper::TitleHelper(css::uno::Reference< css::uno::XComponentContext > xContext,
  50                         const css::uno::Reference< css::uno::XInterface >& xOwner,
  51                         const css::uno::Reference< css::frame::XUntitledNumbers >& xNumbers)
  52     : ::cppu::BaseMutex ()
  53     , m_xContext        (std::move(xContext))
  54     , m_bExternalTitle  (false)
  55     , m_nLeasedNumber   (css::frame::UntitledNumbersConst::INVALID_NUMBER)
  56     , m_aListener       (m_aMutex)
  57 {
  58     // SYNCHRONIZED ->
  59     {
  60         osl::MutexGuard aLock(m_aMutex);
  61
  62         m_xOwner = xOwner;
  63         m_xUntitledNumbers = xNumbers;
  64     }
  65     // <- SYNCHRONIZED
  66
  67     css::uno::Reference< css::frame::XModel > xModel(xOwner, css::uno::UNO_QUERY);
  68     if (xModel.is ())
  69     {
  70         impl_startListeningForModel (xModel);
  71         return;
  72     }
  73
  74     css::uno::Reference< css::frame::XController > xController(xOwner, css::uno::UNO_QUERY);
  75     if (xController.is ())
  76     {
  77         impl_startListeningForController (xController);
  78         return;
  79     }
  80
  81     css::uno::Reference< css::frame::XFrame > xFrame(xOwner, css::uno::UNO_QUERY);
  82     if (xFrame.is ())
  83     {
  84         impl_startListeningForFrame (xFrame);
  85         return;
  86     }
  87 }
  88
  89 TitleHelper::~TitleHelper()
  90 {
  91 }
  92
  93 OUString SAL_CALL TitleHelper::getTitle()
  94 {
  95     // SYNCHRONIZED ->
  96     osl::MutexGuard aLock(m_aMutex);
  97
  98     // An external title will win always and disable all internal logic about
  99     // creating/using a title value.
 100     // Even an empty string will be accepted as valid title !
 101     if (m_bExternalTitle)
 102         return m_sTitle;
 103
 104     // Title seems to be up-to-date. Return it directly.
 105     if (!m_sTitle.isEmpty())
 106         return m_sTitle;
 107
 108     // Title seems to be unused till now ... do bootstrapping
 109     impl_updateTitle (true);
 110
 111     return m_sTitle;
 112     // <- SYNCHRONIZED
 113 }
 114
 115 void SAL_CALL TitleHelper::setTitle(const OUString& sTitle)
 116 {
 117     // SYNCHRONIZED ->
 118     {
 119         osl::MutexGuard aLock(m_aMutex);
 120
 121         m_bExternalTitle = true;
 122         m_sTitle         = sTitle;
 123     }
 124     // <- SYNCHRONIZED
 125
 126     impl_sendTitleChangedEvent ();
 127 }
 128
 129 void SAL_CALL TitleHelper::addTitleChangeListener(const css::uno::Reference< css::frame::XTitleChangeListener >& xListener)
 130 {
 131     // container is threadsafe by himself
 132     m_aListener.addInterface( cppu::UnoType<css::frame::XTitleChangeListener>::get(), xListener );
 133 }
 134
 135 void SAL_CALL TitleHelper::removeTitleChangeListener(const css::uno::Reference< css::frame::XTitleChangeListener >& xListener)
 136 {
 137     // container is threadsafe by himself
 138     m_aListener.removeInterface( cppu::UnoType<css::frame::XTitleChangeListener>::get(), xListener );
 139 }
 140
 141 void SAL_CALL TitleHelper::titleChanged(const css::frame::TitleChangedEvent& aEvent)
 142 {
 143     css::uno::Reference< css::frame::XTitle > xSubTitle;
 144     // SYNCHRONIZED ->
 145     {
 146         osl::MutexGuard aLock(m_aMutex);
 147
 148         xSubTitle.set(m_xSubTitle.get (), css::uno::UNO_QUERY);
 149     }
 150     // <- SYNCHRONIZED
 151
 152     if (aEvent.Source != xSubTitle)
 153         return;
 154
 155     impl_updateTitle ();
 156 }
 157
 158 void SAL_CALL TitleHelper::documentEventOccured(const css::document::DocumentEvent& aEvent)
 159 {
 160     if ( ! aEvent.EventName.equalsIgnoreAsciiCase("OnSaveAsDone")
 161       && ! aEvent.EventName.equalsIgnoreAsciiCase("OnModeChanged")
 162       && ! aEvent.EventName.equalsIgnoreAsciiCase("OnTitleChanged"))
 163         return;
 164
 165     css::uno::Reference< css::frame::XModel > xOwner;
 166     // SYNCHRONIZED ->
 167     {
 168         osl::MutexGuard aLock(m_aMutex);
 169
 170         xOwner.set(m_xOwner.get (), css::uno::UNO_QUERY);
 171     }
 172     // <- SYNCHRONIZED
 173
 174     if (aEvent.Source != xOwner
 175         || ((aEvent.EventName.equalsIgnoreAsciiCase("OnModeChanged")
 176              || aEvent.EventName.equalsIgnoreAsciiCase("OnTitleChanged"))
 177             && !xOwner.is()))
 178     {
 179         return;
 180     }
 181
 182     impl_updateTitle ();
 183 }
 184
 185 void SAL_CALL TitleHelper::frameAction(const css::frame::FrameActionEvent& aEvent)
 186 {
 187     css::uno::Reference< css::frame::XFrame > xOwner;
 188     // SYNCHRONIZED ->
 189     {
 190         osl::MutexGuard aLock(m_aMutex);
 191
 192         xOwner.set(m_xOwner.get (), css::uno::UNO_QUERY);
 193     }
 194     // <- SYNCHRONIZED
 195
 196     if (aEvent.Source != xOwner)
 197         return;
 198
 199     // we are interested on events only, which must trigger a title bar update
 200     // because component was changed.
 201     if (
 202         (aEvent.Action == css::frame::FrameAction_COMPONENT_ATTACHED  ) ||
 203         (aEvent.Action == css::frame::FrameAction_COMPONENT_REATTACHED) ||
 204         (aEvent.Action == css::frame::FrameAction_COMPONENT_DETACHING )
 205        )
 206     {
 207         impl_updateListeningForFrame (xOwner);
 208         impl_updateTitle ();
 209     }
 210 }
 211
 212 void SAL_CALL TitleHelper::disposing(const css::lang::EventObject& aEvent)
 213 {
 214     css::uno::Reference< css::uno::XInterface >         xOwner;
 215     css::uno::Reference< css::frame::XUntitledNumbers > xNumbers;
 216     ::sal_Int32                                         nLeasedNumber;
 217     // SYNCHRONIZED ->
 218     {
 219         osl::MutexGuard aLock(m_aMutex);
 220
 221         xOwner = m_xOwner;
 222         xNumbers.set(m_xUntitledNumbers.get(), css::uno::UNO_QUERY);
 223         nLeasedNumber = m_nLeasedNumber;
 224     }
 225     // <- SYNCHRONIZED
 226
 227     if ( ! xOwner.is ())
 228         return;
 229
 230     css::uno::Reference< css::frame::XFrame > xFrame(xOwner, css::uno::UNO_QUERY);
 231     if (xFrame.is())
 232         xFrame->removeFrameActionListener(this);
 233
 234     if (xOwner != aEvent.Source)
 235         return;
 236
 237     if (
 238         (xNumbers.is ()                                                   ) &&
 239         (nLeasedNumber != css::frame::UntitledNumbersConst::INVALID_NUMBER)
 240        )
 241        xNumbers->releaseNumber (nLeasedNumber);
 242
 243     // SYNCHRONIZED ->
 244     {
 245         osl::MutexGuard aLock(m_aMutex);
 246
 247         m_xOwner.clear();
 248         m_sTitle        = OUString ();
 249         m_nLeasedNumber = css::frame::UntitledNumbersConst::INVALID_NUMBER;
 250     }
 251     // <- SYNCHRONIZED
 252 }
 253
 254 void TitleHelper::impl_sendTitleChangedEvent ()
 255 {
 256     css::uno::Reference<css::uno::XInterface> xOwner;
 257     // SYNCHRONIZED ->
 258     {
 259         osl::MutexGuard aLock(m_aMutex);
 260
 261         xOwner = m_xOwner;
 262     }
 263     // <- SYNCHRONIZED
 264
 265     css::frame::TitleChangedEvent aEvent(xOwner, m_sTitle);
 266
 267     if( ! aEvent.Source.is() )
 268         return;
 269
 270     comphelper::OInterfaceContainerHelper2* pContainer = m_aListener.getContainer( cppu::UnoType<css::frame::XTitleChangeListener>::get());
 271     if ( ! pContainer)
 272         return;
 273
 274     comphelper::OInterfaceIteratorHelper2 pIt( *pContainer );
 275     while ( pIt.hasMoreElements() )
 276     {
 277         try
 278         {
 279             static_cast<css::frame::XTitleChangeListener*>(pIt.next())->titleChanged( aEvent );
 280         }
 281         catch(const css::uno::Exception&)
 282         {
 283             pIt.remove();
 284         }
 285     }
 286 }
 287
 288 void TitleHelper::impl_updateTitle (bool init)
 289 {
 290     css::uno::Reference< css::frame::XModel3 >     xModel;
 291     css::uno::Reference< css::frame::XController > xController;
 292     css::uno::Reference< css::frame::XFrame >      xFrame;
 293     // SYNCHRONIZED ->
 294     {
 295         osl::MutexGuard aLock(m_aMutex);
 296
 297         xModel.set     (m_xOwner.get(), css::uno::UNO_QUERY);
 298         xController.set(m_xOwner.get(), css::uno::UNO_QUERY);
 299         xFrame.set     (m_xOwner.get(), css::uno::UNO_QUERY);
 300     }
 301     // <- SYNCHRONIZED
 302
 303     if (xModel.is ())
 304     {
 305         impl_updateTitleForModel (xModel, init);
 306     }
 307     else if (xController.is ())
 308     {
 309         impl_updateTitleForController (xController, init);
 310     }
 311     else if (xFrame.is ())
 312     {
 313         impl_updateTitleForFrame (xFrame, init);
 314     }
 315 }
 316
 317 void TitleHelper::impl_updateTitleForModel (const css::uno::Reference< css::frame::XModel3 >& xModel, bool init)
 318 {
 319     css::uno::Reference< css::uno::XInterface >         xOwner;
 320     css::uno::Reference< css::frame::XUntitledNumbers > xNumbers;
 321     ::sal_Int32                                         nLeasedNumber;
 322     // SYNCHRONIZED ->
 323     {
 324         osl::MutexGuard aLock(m_aMutex);
 325
 326         // external title won't be updated internally!
 327         // It has to be set from outside new.
 328         if (m_bExternalTitle)
 329             return;
 330
 331         xOwner = m_xOwner;
 332         xNumbers.set   (m_xUntitledNumbers.get(), css::uno::UNO_QUERY);
 333         nLeasedNumber = m_nLeasedNumber;
 334     }
 335     // <- SYNCHRONIZED
 336
 337     if (
 338         ( ! xOwner.is    ()) ||
 339         ( ! xNumbers.is  ()) ||
 340         ( ! xModel.is    ())
 341        )
 342         return;
 343
 344     OUString sTitle;
 345     OUString sURL;
 346
 347     css::uno::Reference< css::frame::XStorable > xURLProvider(xModel , css::uno::UNO_QUERY);
 348     if (xURLProvider.is())
 349         sURL = xURLProvider->getLocation ();
 350
 351     utl::MediaDescriptor aDescriptor(xModel->getArgs2( { utl::MediaDescriptor::PROP_SUGGESTEDSAVEASNAME } ));
 352     const OUString sSuggestedSaveAsName = aDescriptor.getUnpackedValueOrDefault(
 353         utl::MediaDescriptor::PROP_SUGGESTEDSAVEASNAME, OUString());
 354
 355     if (!sURL.isEmpty())
 356     {
 357         sTitle = impl_convertURL2Title(sURL);
 358         if (nLeasedNumber != css::frame::UntitledNumbersConst::INVALID_NUMBER)
 359             xNumbers->releaseNumber (nLeasedNumber);
 360         nLeasedNumber = css::frame::UntitledNumbersConst::INVALID_NUMBER;
 361     }
 362     else if (!sSuggestedSaveAsName.isEmpty())
 363     {
 364         // tdf#121537 Use suggested save as name for title if file has not yet been saved
 365         sTitle = sSuggestedSaveAsName;
 366     }
 367     else
 368     {
 369         if (nLeasedNumber == css::frame::UntitledNumbersConst::INVALID_NUMBER)
 370             nLeasedNumber = xNumbers->leaseNumber (xOwner);
 371
 372         if (nLeasedNumber != css::frame::UntitledNumbersConst::INVALID_NUMBER)
 373             sTitle = xNumbers->getUntitledPrefix() + OUString::number(nLeasedNumber);
 374         else
 375             sTitle = xNumbers->getUntitledPrefix() + "?";
 376     }
 377
 378     bool     bChanged;
 379     // SYNCHRONIZED ->
 380     {
 381         osl::MutexGuard aLock(m_aMutex);
 382
 383         // WORKAROUND: the notification is currently sent always,
 384         //             can be changed after shared mode is supported per UNO API
 385         bChanged        = !init; // && m_sTitle != sTitle
 386
 387         m_sTitle        = sTitle;
 388         m_nLeasedNumber = nLeasedNumber;
 389     }
 390     // <- SYNCHRONIZED
 391
 392     if (bChanged)
 393         impl_sendTitleChangedEvent ();
 394 }
 395
 396 void TitleHelper::impl_updateTitleForController (const css::uno::Reference< css::frame::XController >& xController, bool init)
 397 {
 398     css::uno::Reference< css::uno::XInterface >         xOwner;
 399     css::uno::Reference< css::frame::XUntitledNumbers > xNumbers;
 400     ::sal_Int32                                         nLeasedNumber;
 401     // SYNCHRONIZED ->
 402     {
 403         osl::MutexGuard aLock(m_aMutex);
 404
 405         // external title won't be updated internally!
 406         // It has to be set from outside new.
 407         if (m_bExternalTitle)
 408             return;
 409
 410         xOwner = m_xOwner;
 411         xNumbers.set    (m_xUntitledNumbers.get(), css::uno::UNO_QUERY);
 412         nLeasedNumber = m_nLeasedNumber;
 413     }
 414     // <- SYNCHRONIZED
 415
 416     if (
 417         ( ! xOwner.is      ()) ||
 418         ( ! xNumbers.is    ()) ||
 419         ( ! xController.is ())
 420        )
 421         return;
 422
 423     OUStringBuffer sTitle(256);
 424
 425     if (nLeasedNumber == css::frame::UntitledNumbersConst::INVALID_NUMBER)
 426         nLeasedNumber = xNumbers->leaseNumber (xOwner);
 427
 428     css::uno::Reference< css::frame::XTitle > xModelTitle(xController->getModel (), css::uno::UNO_QUERY);
 429     css::uno::Reference< css::frame::XModel > xModel = xController->getModel ();
 430     if (!xModelTitle.is ())
 431         xModelTitle.set(xController, css::uno::UNO_QUERY);
 432     if (xModelTitle.is ())
 433     {
 434         sTitle.append      (xModelTitle->getTitle ());
 435         if ( nLeasedNumber > 1 )
 436         {
 437             sTitle.append(" : " + OUString::number(nLeasedNumber));
 438         }
 439         if (xModel.is ())
 440         {
 441             INetURLObject aURL (xModel->getURL ());
 442             if (aURL.GetProtocol () != INetProtocol::File
 443                 && aURL.GetProtocol () != INetProtocol::NotValid)
 444             {
 445                 OUString sRemoteText (FwkResId (STR_REMOTE_TITLE));
 446                 sTitle.append (sRemoteText);
 447             }
 448         }
 449     }
 450     else
 451     {
 452         sTitle.append (xNumbers->getUntitledPrefix ());
 453         if ( nLeasedNumber > 1 )
 454         {
 455             sTitle.append(nLeasedNumber  );
 456         }
 457     }
 458
 459     bool     bChanged;
 460     // SYNCHRONIZED ->
 461     {
 462         osl::MutexGuard aLock(m_aMutex);
 463
 464         OUString sNewTitle       = sTitle.makeStringAndClear ();
 465         bChanged        = !init && m_sTitle != sNewTitle;
 466         m_sTitle        = sNewTitle;
 467         m_nLeasedNumber = nLeasedNumber;
 468     }
 469     // <- SYNCHRONIZED
 470
 471     if (bChanged)
 472         impl_sendTitleChangedEvent ();
 473 }
 474
 475 void TitleHelper::impl_updateTitleForFrame (const css::uno::Reference< css::frame::XFrame >& xFrame, bool init)
 476 {
 477     if ( ! xFrame.is ())
 478         return;
 479
 480     // SYNCHRONIZED ->
 481     {
 482         osl::MutexGuard aLock(m_aMutex);
 483
 484         // external title won't be updated internally!
 485         // It has to be set from outside new.
 486         if (m_bExternalTitle)
 487             return;
 488     }
 489     // <- SYNCHRONIZED
 490
 491     css::uno::Reference< css::uno::XInterface > xComponent = xFrame->getController ();
 492     if ( ! xComponent.is ())
 493         xComponent = xFrame->getComponentWindow ();
 494
 495     OUStringBuffer sTitle (256);
 496
 497     impl_appendComponentTitle   (sTitle, xComponent);
 498 #ifndef MACOSX
 499     if (!utl::ConfigManager::IsFuzzing())
 500     {
 501         // fdo#70376: We want the window title to contain just the
 502         // document name (from the above "component title").
 503         impl_appendProductName      (sTitle);
 504         impl_appendModuleName       (sTitle);
 505         impl_appendDebugVersion     (sTitle);
 506     }
 507 #endif
 508     impl_appendSafeMode         (sTitle);
 509
 510     bool     bChanged;
 511     // SYNCHRONIZED ->
 512     {
 513         osl::MutexGuard aLock(m_aMutex);
 514
 515         OUString sNewTitle = sTitle.makeStringAndClear ();
 516         bChanged  = !init && m_sTitle != sNewTitle;
 517         m_sTitle  = sNewTitle;
 518     }
 519     // <- SYNCHRONIZED
 520
 521     if (bChanged)
 522         impl_sendTitleChangedEvent ();
 523 }
 524
 525 void TitleHelper::impl_appendComponentTitle (      OUStringBuffer&                       sTitle    ,
 526                                              const css::uno::Reference< css::uno::XInterface >& xComponent)
 527 {
 528     css::uno::Reference< css::frame::XTitle > xTitle(xComponent, css::uno::UNO_QUERY);
 529
 530     // Note: Title has to be used (even if it's empty) if the right interface is supported.
 531     if (xTitle.is ())
 532         sTitle.append (xTitle->getTitle ());
 533 }
 534
 535 void TitleHelper::impl_appendProductName (OUStringBuffer& sTitle)
 536 {
 537     OUString name(utl::ConfigManager::getProductName());
 538     if (!name.isEmpty())
 539     {
 540         if (!sTitle.isEmpty())
 541         {
 542             OUString separator (FwkResId (STR_EMDASH_SEPARATOR));
 543             sTitle.append(separator);
 544         }
 545         sTitle.append(name);
 546     }
 547 }
 548
 549 void TitleHelper::impl_appendModuleName (OUStringBuffer& sTitle)
 550 {
 551     css::uno::Reference< css::uno::XInterface >        xOwner;
 552     css::uno::Reference< css::uno::XComponentContext > xContext;
 553     // SYNCHRONIZED ->
 554     {
 555         osl::MutexGuard aLock(m_aMutex);
 556
 557         xOwner   = m_xOwner.get();
 558         xContext = m_xContext;
 559     }
 560     // <- SYNCHRONIZED
 561
 562     try
 563     {
 564         css::uno::Reference< css::frame::XModuleManager2 > xModuleManager =
 565             css::frame::ModuleManager::create(xContext);
 566
 567         const OUString                 sID     = xModuleManager->identify(xOwner);
 568         ::comphelper::SequenceAsHashMap lProps  = xModuleManager->getByName (sID);
 569         const OUString                 sUIName = lProps.getUnpackedValueOrDefault (OFFICEFACTORY_PROPNAME_ASCII_UINAME, OUString());
 570
 571         // An UIname property is an optional value !
 572         // So please add it to the title in case it does really exists only.
 573         if (!sUIName.isEmpty())
 574         {
 575             sTitle.append (" "    );
 576             sTitle.append      (sUIName);
 577         }
 578     }
 579     catch(const css::uno::Exception&)
 580     {}
 581 }
 582
 583 #ifdef DBG_UTIL
 584 void TitleHelper::impl_appendDebugVersion (OUStringBuffer& sTitle)
 585 {
 586     OUString version(utl::ConfigManager::getProductVersion());
 587     sTitle.append(' ');
 588     sTitle.append(version);
 589     OUString sVersion = ::utl::Bootstrap::getBuildIdData("development");
 590     sTitle.append(" [");
 591     sTitle.append(sVersion);
 592     sTitle.append("]");
 593 }
 594 #else
 595 void TitleHelper::impl_appendDebugVersion (OUStringBuffer&)
 596 {
 597 }
 598 #endif
 599
 600 void TitleHelper::impl_appendSafeMode (OUStringBuffer& sTitle)
 601 {
 602     if (Application::IsSafeModeEnabled())
 603         sTitle.append(FwkResId (STR_SAFEMODE_TITLE));
 604 }
 605
 606 void TitleHelper::impl_startListeningForModel (const css::uno::Reference< css::frame::XModel >& xModel)
 607 {
 608     css::uno::Reference< css::document::XDocumentEventBroadcaster > xBroadcaster(xModel, css::uno::UNO_QUERY);
 609     if ( ! xBroadcaster.is ())
 610         return;
 611
 612     xBroadcaster->addDocumentEventListener (static_cast< css::document::XDocumentEventListener* >(this));
 613 }
 614
 615 void TitleHelper::impl_startListeningForController (const css::uno::Reference< css::frame::XController >& xController)
 616 {
 617     xController->addEventListener (static_cast< css::lang::XEventListener* > (static_cast< css::frame::XFrameActionListener* > (this) ) );
 618     css::uno::Reference< css::frame::XTitle > xSubTitle(xController->getModel (), css::uno::UNO_QUERY);
 619     impl_setSubTitle (xSubTitle);
 620 }
 621
 622 void TitleHelper::impl_startListeningForFrame (const css::uno::Reference< css::frame::XFrame >& xFrame)
 623 {
 624     xFrame->addFrameActionListener(this  );
 625     impl_updateListeningForFrame  (xFrame);
 626 }
 627
 628 void TitleHelper::impl_updateListeningForFrame (const css::uno::Reference< css::frame::XFrame >& xFrame)
 629 {
 630     css::uno::Reference< css::frame::XTitle > xSubTitle(xFrame->getController (), css::uno::UNO_QUERY);
 631     impl_setSubTitle (xSubTitle);
 632 }
 633
 634 void TitleHelper::impl_setSubTitle (const css::uno::Reference< css::frame::XTitle >& xSubTitle)
 635 {
 636     css::uno::Reference< css::frame::XTitle > xOldSubTitle;
 637     // SYNCHRONIZED ->
 638     {
 639         osl::MutexGuard aLock(m_aMutex);
 640
 641         // ignore duplicate calls. Makes outside using of this helper more easy :-)
 642         xOldSubTitle.set(m_xSubTitle.get(), css::uno::UNO_QUERY);
 643         if (xOldSubTitle == xSubTitle)
 644             return;
 645
 646         m_xSubTitle = xSubTitle;
 647     }
 648     // <- SYNCHRONIZED
 649
 650     css::uno::Reference< css::frame::XTitleChangeBroadcaster > xOldBroadcaster(xOldSubTitle                                          , css::uno::UNO_QUERY      );
 651     css::uno::Reference< css::frame::XTitleChangeBroadcaster > xNewBroadcaster(xSubTitle                                             , css::uno::UNO_QUERY      );
 652     css::uno::Reference< css::frame::XTitleChangeListener >    xThis(this);
 653
 654     if (xOldBroadcaster.is())
 655         xOldBroadcaster->removeTitleChangeListener (xThis);
 656
 657     if (xNewBroadcaster.is())
 658         xNewBroadcaster->addTitleChangeListener (xThis);
 659 }
 660
 661 OUString TitleHelper::impl_convertURL2Title(std::u16string_view sURL)
 662 {
 663     INetURLObject   aURL (sURL);
 664     OUString sTitle;
 665
 666     if (aURL.GetProtocol() == INetProtocol::File)
 667     {
 668         if (aURL.HasMark())
 669             aURL = INetURLObject(aURL.GetURLNoMark());
 670
 671         sTitle = aURL.getName(INetURLObject::LAST_SEGMENT, true, INetURLObject::DecodeMechanism::WithCharset);
 672     }
 673     else
 674     {
 675         if (aURL.hasExtension())
 676             sTitle = aURL.getName(INetURLObject::LAST_SEGMENT, true, INetURLObject::DecodeMechanism::WithCharset);
 677
 678         if ( sTitle.isEmpty() )
 679             sTitle = aURL.GetHostPort(INetURLObject::DecodeMechanism::WithCharset);
 680
 681         if ( sTitle.isEmpty() )
 682             sTitle = aURL.GetURLNoPass(INetURLObject::DecodeMechanism::WithCharset);
 683     }
 684
 685     return sTitle;
 686 }
 687
 688 } // namespace framework
 689
 690 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */