LCOV - code coverage report
Current view: top level - libreoffice/framework/source/helper - ocomponentaccess.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 0 50 0.0 %
Date: 2012-12-27 Functions: 0 8 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       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 <helper/ocomponentaccess.hxx>
      21             : #include <helper/ocomponentenumeration.hxx>
      22             : 
      23             : #include <threadhelp/resetableguard.hxx>
      24             : 
      25             : #include <com/sun/star/frame/FrameSearchFlag.hpp>
      26             : 
      27             : #include <vcl/svapp.hxx>
      28             : 
      29             : namespace framework{
      30             : 
      31             : using namespace ::com::sun::star::container     ;
      32             : using namespace ::com::sun::star::frame         ;
      33             : using namespace ::com::sun::star::lang          ;
      34             : using namespace ::com::sun::star::uno           ;
      35             : using namespace ::cppu                          ;
      36             : using namespace ::osl                           ;
      37             : using namespace ::rtl                           ;
      38             : 
      39             : //*****************************************************************************************************************
      40             : //  constructor
      41             : //*****************************************************************************************************************
      42           0 : OComponentAccess::OComponentAccess( const css::uno::Reference< XDesktop >& xOwner )
      43             :         //  Init baseclasses first
      44           0 :         :   ThreadHelpBase  ( &Application::GetSolarMutex() )
      45             :         // Init member
      46           0 :         ,   m_xOwner        ( xOwner                        )
      47             : {
      48             :     // Safe impossible cases
      49             :     LOG_ASSERT( impldbg_checkParameter_OComponentAccessCtor( xOwner ), "OComponentAccess::OComponentAccess()\nInvalid parameter detected!\n" )
      50           0 : }
      51             : 
      52             : //*****************************************************************************************************************
      53             : //  destructor
      54             : //*****************************************************************************************************************
      55           0 : OComponentAccess::~OComponentAccess()
      56             : {
      57           0 : }
      58             : 
      59             : //*****************************************************************************************************************
      60             : //  XEnumerationAccess
      61             : //*****************************************************************************************************************
      62           0 : css::uno::Reference< XEnumeration > SAL_CALL OComponentAccess::createEnumeration() throw( RuntimeException )
      63             : {
      64             :     // Ready for multithreading
      65           0 :     ResetableGuard aGuard( m_aLock );
      66             : 
      67             :     // Set default return value, if method failed.
      68             :     // If no desktop exist and there is no task container - return an empty enumeration!
      69           0 :     css::uno::Reference< XEnumeration > xReturn = css::uno::Reference< XEnumeration >();
      70             : 
      71             :     // Try to "lock" the desktop for access to task container.
      72           0 :     css::uno::Reference< XInterface > xLock = m_xOwner.get();
      73           0 :     if ( xLock.is() == sal_True )
      74             :     {
      75             :         // Desktop exist => pointer to task container must be valid.
      76             :         // Initialize a new enumeration ... if some tasks and his components exist!
      77             :         // (OTasksEnumeration will make an assert, if we initialize the new instance without valid values!)
      78             : 
      79           0 :         Sequence< css::uno::Reference< XComponent > > seqComponents;
      80           0 :         impl_collectAllChildComponents( css::uno::Reference< XFramesSupplier >( xLock, UNO_QUERY ), seqComponents );
      81           0 :         OComponentEnumeration* pEnumeration = new OComponentEnumeration( seqComponents );
      82           0 :         xReturn = css::uno::Reference< XEnumeration >( (OWeakObject*)pEnumeration, UNO_QUERY );
      83             :     }
      84             : 
      85             :     // Return result of this operation.
      86           0 :     return xReturn;
      87             : }
      88             : 
      89             : //*****************************************************************************************************************
      90             : //  XElementAccess
      91             : //*****************************************************************************************************************
      92           0 : Type SAL_CALL OComponentAccess::getElementType() throw( RuntimeException )
      93             : {
      94             :     // Elements in list an enumeration are components!
      95             :     // Return the uno-type of XComponent.
      96           0 :     return ::getCppuType((const css::uno::Reference< XComponent >*)NULL);
      97             : }
      98             : 
      99             : //*****************************************************************************************************************
     100             : //  XElementAccess
     101             : //*****************************************************************************************************************
     102           0 : sal_Bool SAL_CALL OComponentAccess::hasElements() throw( RuntimeException )
     103             : {
     104             :     // Ready for multithreading
     105           0 :     ResetableGuard aGuard( m_aLock );
     106             : 
     107             :     // Set default return value, if method failed.
     108           0 :     sal_Bool bReturn = sal_False;
     109             : 
     110             :     // Try to "lock" the desktop for access to task container.
     111           0 :     css::uno::Reference< XFramesSupplier > xLock( m_xOwner.get(), UNO_QUERY );
     112           0 :     if ( xLock.is() == sal_True )
     113             :     {
     114             :         // Ask container of owner for existing elements.
     115           0 :         bReturn = xLock->getFrames()->hasElements();
     116             :     }
     117             : 
     118             :     // Return result of this operation.
     119           0 :     return bReturn;
     120             : }
     121             : 
     122             : //*****************************************************************************************************************
     123             : //  private method
     124             : //*****************************************************************************************************************
     125           0 : void OComponentAccess::impl_collectAllChildComponents(  const   css::uno::Reference< XFramesSupplier >&         xNode           ,
     126             :                                                                  Sequence< css::uno::Reference< XComponent > >& seqComponents   )
     127             : {
     128             :     // If valid node was given ...
     129           0 :     if( xNode.is() == sal_True )
     130             :     {
     131             :         // ... continue collection at these.
     132             : 
     133             :         // Get the container of current node, collect the components of existing child frames
     134             :         // and go down to next level in tree (recursive!).
     135             : 
     136           0 :         sal_Int32 nComponentCount = seqComponents.getLength();
     137             : 
     138           0 :         const css::uno::Reference< XFrames >                xContainer  = xNode->getFrames();
     139           0 :         const Sequence< css::uno::Reference< XFrame > > seqFrames   = xContainer->queryFrames( FrameSearchFlag::CHILDREN );
     140             : 
     141           0 :         const sal_Int32 nFrameCount = seqFrames.getLength();
     142           0 :         for( sal_Int32 nFrame=0; nFrame<nFrameCount; ++nFrame )
     143             :         {
     144           0 :             css::uno::Reference< XComponent > xComponent = impl_getFrameComponent( seqFrames[nFrame] );
     145           0 :             if( xComponent.is() == sal_True )
     146             :             {
     147           0 :                 nComponentCount++;
     148           0 :                 seqComponents.realloc( nComponentCount );
     149           0 :                 seqComponents[nComponentCount-1] = xComponent;
     150             :             }
     151           0 :         }
     152             :     }
     153             :     // ... otherwise break a recursive path and go back at current stack!
     154           0 : }
     155             : 
     156             : //*****************************************************************************************************************
     157             : //  private method
     158             : //*****************************************************************************************************************
     159           0 : css::uno::Reference< XComponent > OComponentAccess::impl_getFrameComponent( const css::uno::Reference< XFrame >& xFrame ) const
     160             : {
     161             :     // Set default return value, if method failed.
     162           0 :     css::uno::Reference< XComponent > xComponent = css::uno::Reference< XComponent >();
     163             :     // Does no controller exists?
     164           0 :     css::uno::Reference< XController > xController = xFrame->getController();
     165           0 :     if ( xController.is() == sal_False )
     166             :     {
     167             :         // Controller not exist - use the VCL-component.
     168           0 :         xComponent = css::uno::Reference< XComponent >( xFrame->getComponentWindow(), UNO_QUERY );
     169             :     }
     170             :     else
     171             :     {
     172             :         // Does no model exists?
     173           0 :         css::uno::Reference< XModel > xModel( xController->getModel(), UNO_QUERY );
     174           0 :         if ( xModel.is() == sal_True )
     175             :         {
     176             :             // Model exist - use the model as component.
     177           0 :             xComponent = css::uno::Reference< XComponent >( xModel, UNO_QUERY );
     178             :         }
     179             :         else
     180             :         {
     181             :             // Model not exist - use the controller as component.
     182           0 :             xComponent = css::uno::Reference< XComponent >( xController, UNO_QUERY );
     183           0 :         }
     184             :     }
     185             : 
     186           0 :     return xComponent;
     187             : }
     188             : 
     189             : //_________________________________________________________________________________________________________________
     190             : //  debug methods
     191             : //_________________________________________________________________________________________________________________
     192             : 
     193             : /*-----------------------------------------------------------------------------------------------------------------
     194             :     The follow methods checks the parameter for other functions. If a parameter or his value is non valid,
     195             :     we return "sal_False". (else sal_True) This mechanism is used to throw an ASSERT!
     196             : 
     197             :     ATTENTION
     198             : 
     199             :         If you miss a test for one of this parameters, contact the autor or add it himself !(?)
     200             :         But ... look for right testing! See using of this methods!
     201             : -----------------------------------------------------------------------------------------------------------------*/
     202             : 
     203             : #ifdef ENABLE_ASSERTIONS
     204             : 
     205             : //*****************************************************************************************************************
     206             : sal_Bool OComponentAccess::impldbg_checkParameter_OComponentAccessCtor( const   css::uno::Reference< XDesktop >&      xOwner  )
     207             : {
     208             :     // Set default return value.
     209             :     sal_Bool bOK = sal_True;
     210             :     // Check parameter.
     211             :     if  (
     212             :             ( &xOwner       ==  NULL        )   ||
     213             :             ( xOwner.is()   ==  sal_False   )
     214             :         )
     215             :     {
     216             :         bOK = sal_False ;
     217             :     }
     218             :     // Return result of check.
     219             :     return bOK ;
     220             : }
     221             : 
     222             : #endif  //  #ifdef ENABLE_ASSERTIONS
     223             : 
     224             : }       //  namespace framework
     225             : 
     226             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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