/* -*- 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 #include #include #include #include namespace framework{ /**-*************************************************************************************************************** @short initialize an empty container @descr The container will be empty then - special features (e.g. the async quit mechanism) are disabled. @threadsafe not neccessary - its not a singleton *****************************************************************************************************************/ FrameContainer::FrameContainer() // initialize base classes first. // Order is necessary for right initilization of his and OUR member ... m_aLock : ThreadHelpBase ( &Application::GetSolarMutex() ) /*DEPRECATEME , m_bAsyncQuit ( sal_False ) // default must be "disabled"! , m_aAsyncCall ( LINK( this, FrameContainer, implts_asyncQuit ) ) */ { } /**-*************************************************************************************************************** @short deinitialize may a filled container @descr Special features (if the currently are running) will be dsiabled and we free all used other resources. @threadsafe not neccessary - its not a singleton *****************************************************************************************************************/ FrameContainer::~FrameContainer() { // Don't forget to free memory! m_aContainer.clear(); m_xActiveFrame.clear(); } /**-*************************************************************************************************************** @short append a new frame to the container @descr We accept the incoming frame only, if it is a valid reference and dosnt exist already. @param xFrame frame, which should be added to this container Must be a valid reference. @threadsafe yes *****************************************************************************************************************/ void FrameContainer::append( const css::uno::Reference< css::frame::XFrame >& xFrame ) { if (xFrame.is() && ! exist(xFrame)) { /* SAFE { */ WriteGuard aWriteLock( m_aLock ); m_aContainer.push_back( xFrame ); aWriteLock.unlock(); /* } SAFE */ } } /**-*************************************************************************************************************** @short remove a frame from the container @descr In case we remove the last frame and our internal special feature (the async quit mechanism) was enabled by the desktop instance, we start it. @param xFrame frame, which should be deleted from this container Must be a valid reference. @threadsafe yes *****************************************************************************************************************/ void FrameContainer::remove( const css::uno::Reference< css::frame::XFrame >& xFrame ) { /* SAFE { */ // write lock necessary for follwing erase()! WriteGuard aWriteLock( m_aLock ); TFrameIterator aSearchedItem = ::std::find( m_aContainer.begin(), m_aContainer.end(), xFrame ); if (aSearchedItem!=m_aContainer.end()) { m_aContainer.erase( aSearchedItem ); // If removed frame was the current active frame - reset state variable. if (m_xActiveFrame==xFrame) m_xActiveFrame = css::uno::Reference< css::frame::XFrame >(); // We don't need the write lock any longer ... // downgrade to read access. aWriteLock.downgrade(); } aWriteLock.unlock(); // } SAFE } /**-*************************************************************************************************************** @short check if the given frame currently exist inside the container @descr - @param xFrame reference to the queried frame @return if frame is oart of this container otherwise @threadsafe yes *****************************************************************************************************************/ sal_Bool FrameContainer::exist( const css::uno::Reference< css::frame::XFrame >& xFrame ) const { /* SAFE { */ ReadGuard aReadLock( m_aLock ); return( ::std::find( m_aContainer.begin(), m_aContainer.end(), xFrame ) != m_aContainer.end() ); /* } SAFE */ } /**-*************************************************************************************************************** @short delete all existing items of the container @descr - @threadsafe yes *****************************************************************************************************************/ void FrameContainer::clear() { // SAFE { WriteGuard aWriteLock( m_aLock ); // Clear the container ... m_aContainer.clear(); // ... and don't forget to reset the active frame. // Its an reference to a valid container-item. // But no container item => no active frame! m_xActiveFrame = css::uno::Reference< css::frame::XFrame >(); aWriteLock.unlock(); // } SAFE } /**-*************************************************************************************************************** @short returns count of all current existing frames @descr - @deprecated This value can't be guaranteed for multithreading environments. So it will be marked as deprecated and should be replaced by "getAllElements()". @return the count of existing container items @threadsafe yes *****************************************************************************************************************/ sal_uInt32 FrameContainer::getCount() const { /* SAFE { */ ReadGuard aReadLock( m_aLock ); return( (sal_uInt32)m_aContainer.size() ); /* } SAFE */ } /**-*************************************************************************************************************** @short returns one item of this container @descr - @deprecated This value can't be guaranteed for multithreading environments. So it will be marked as deprecatedf and should be replaced by "getAllElements()". @param nIndex a valud between 0 and (getCount()-1) to address one container item @return a reference to a frame inside the container, which match with given index @threadsafe yes *****************************************************************************************************************/ css::uno::Reference< css::frame::XFrame > FrameContainer::operator[]( sal_uInt32 nIndex ) const { css::uno::Reference< css::frame::XFrame > xFrame; try { // Get element form container WITH automatic test of ranges! // If index not valid, a out_of_range exception is thrown. /* SAFE { */ ReadGuard aReadLock( m_aLock ); xFrame = m_aContainer.at( nIndex ); aReadLock.unlock(); /* } SAFE */ } catch( const std::out_of_range& ) { // The index is not valid for current container-content - we must handle this case! // We can return the default value ... SAL_INFO( "fwk", "FrameContainer::operator[]: Exception caught: std::out_of_range" ); } return xFrame; } /**-*************************************************************************************************************** @short returns a snapshot of all currently existing frames inside this container @descr Should be used to replace the deprecated functions getCount()/operator[]! @return a list of all frame refrences inside this container @threadsafe yes *****************************************************************************************************************/ css::uno::Sequence< css::uno::Reference< css::frame::XFrame > > FrameContainer::getAllElements() const { /* SAFE { */ ReadGuard aReadLock( m_aLock ); sal_Int32 nPosition = 0; css::uno::Sequence< css::uno::Reference< css::frame::XFrame > > lElements ( (sal_uInt32)m_aContainer.size() ); for (TConstFrameIterator pItem=m_aContainer.begin(); pItem!=m_aContainer.end(); ++pItem) lElements[nPosition++] = *pItem; aReadLock.unlock(); /* } SAFE */ return lElements; } /**-*************************************************************************************************************** @short set the given frame as the new active one inside this container @descr We accept this frame only, if it's already a part of this container. @param xFrame reference to the new active frame Must be a valid reference and already part of this container. @threadsafe yes *****************************************************************************************************************/ void FrameContainer::setActive( const css::uno::Reference< css::frame::XFrame >& xFrame ) { if ( !xFrame.is() || exist(xFrame) ) { /* SAFE { */ WriteGuard aWriteLock( m_aLock ); m_xActiveFrame = xFrame; aWriteLock.unlock(); /* } SAFE */ } } /**-*************************************************************************************************************** @short return sthe current active frame of this container @descr Value can be null in case the frame was removed from the container and nobody from outside decide which of all others should be the new one ... @return a reference to the current active frame Value can be NULL! @threadsafe yes *****************************************************************************************************************/ css::uno::Reference< css::frame::XFrame > FrameContainer::getActive() const { /* SAFE { */ ReadGuard aReadLock( m_aLock ); return m_xActiveFrame; /* } SAFE */ } /**-*************************************************************************************************************** @short implements a simple search based on current container items @descr It can be used for findFrame() and implements a deep down search. @param sName target name, which is searched @return reference to the found frame or NULL if not. @threadsafe yes *****************************************************************************************************************/ css::uno::Reference< css::frame::XFrame > FrameContainer::searchOnAllChildrens( const OUString& sName ) const { /* SAFE { */ ReadGuard aReadLock( m_aLock ); // Step over all child frames. But if direct child isn't the right one search on his children first - before // you go to next direct child of this container! css::uno::Reference< css::frame::XFrame > xSearchedFrame; for( TConstFrameIterator pIterator=m_aContainer.begin(); pIterator!=m_aContainer.end(); ++pIterator ) { if ((*pIterator)->getName()==sName) { xSearchedFrame = *pIterator; break; } else { xSearchedFrame = (*pIterator)->findFrame( sName, css::frame::FrameSearchFlag::CHILDREN ); if (xSearchedFrame.is()) break; } } aReadLock.unlock(); /* } SAFE */ return xSearchedFrame; } /**-*************************************************************************************************************** @short implements a simple search based on current container items @descr It can be used for findFrame() and search on members of this container only! @param sName target name, which is searched @return reference to the found frame or NULL if not. @threadsafe yes *****************************************************************************************************************/ css::uno::Reference< css::frame::XFrame > FrameContainer::searchOnDirectChildrens( const OUString& sName ) const { /* SAFE { */ ReadGuard aReadLock( m_aLock ); css::uno::Reference< css::frame::XFrame > xSearchedFrame; for( TConstFrameIterator pIterator=m_aContainer.begin(); pIterator!=m_aContainer.end(); ++pIterator ) { if ((*pIterator)->getName()==sName) { xSearchedFrame = *pIterator; break; } } aReadLock.unlock(); /* } SAFE */ return xSearchedFrame; } } // namespace framework /* vim:set shiftwidth=4 softtabstop=4 expandtab: */