/* -*- 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 <framework/framecontainer.hxx>
#include <com/sun/star/frame/FrameSearchFlag.hpp>
#include <vcl/svapp.hxx>
#include <comphelper/sequence.hxx>
#include <sal/log.hxx>
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 necessary - it ' s not a singleton
*****************************************************************************************************************/
FrameContainer::FrameContainer()
/*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 disabled and we free all used other resources .
@ threadsafe not necessary - it ' s 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 doesn ' t 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))
{
SolarMutexGuard g;
m_aContainer.push_back(xFrame);
}
}
/**-***************************************************************************************************************
@ 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)
{
SolarMutexGuard g;
TFrameContainer::iterator 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.clear();
}
}
/**-***************************************************************************************************************
@ short check if the given frame currently exist inside the container
@ param xFrame
reference to the queried frame
@ return < TRUE / > if frame is part of this container
< FALSE / > otherwise
@ threadsafe yes
*****************************************************************************************************************/
bool FrameContainer::exist(const css::uno::Reference<css::frame::XFrame>& xFrame) const
{
SolarMutexGuard g;
return (::std::find(m_aContainer.begin(), m_aContainer.end(), xFrame) != m_aContainer.end());
}
/**-***************************************************************************************************************
@ short delete all existing items of the container
@ threadsafe yes
*****************************************************************************************************************/
void FrameContainer::clear()
{
SolarMutexGuard g;
// Clear the container ...
m_aContainer.clear();
// ... and don't forget to reset the active frame.
// It's a reference to a valid container-item.
// But no container item => no active frame!
m_xActiveFrame.clear();
}
/**-***************************************************************************************************************
@ short returns count of all current existing frames
@ 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
{
SolarMutexGuard g;
return static_cast <sal_uInt32>(m_aContainer.size());
}
/**-***************************************************************************************************************
@ short returns one item of this container
@ deprecated This value can ' t be guaranteed for multithreading environments .
So it will be marked as deprecated and should be replaced by " getAllElements ( ) " .
@ param nIndex
a value 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, an out_of_range exception is thrown.
SolarMutexGuard g;
xFrame = m_aContainer.at(nIndex);
}
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 references inside this container
@ threadsafe yes
*****************************************************************************************************************/
css::uno::Sequence<css::uno::Reference<css::frame::XFrame>> FrameContainer::getAllElements() const
{
SolarMutexGuard g;
return comphelper::containerToSequence(m_aContainer);
}
/**-***************************************************************************************************************
@ 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))
{
SolarMutexGuard g;
m_xActiveFrame = xFrame;
}
}
/**-***************************************************************************************************************
@ short return the 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
{
SolarMutexGuard g;
return m_xActiveFrame;
}
/**-***************************************************************************************************************
@ 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
{
SolarMutexGuard g;
// 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 (auto const & container : m_aContainer)
{
if (container->getName() == sName)
{
xSearchedFrame = container;
break ;
}
else
{
xSearchedFrame = container->findFrame(sName, css::frame::FrameSearchFlag::CHILDREN);
if (xSearchedFrame.is())
break ;
}
}
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(std::u16string_view sName) const
{
SolarMutexGuard g;
css::uno::Reference<css::frame::XFrame> xSearchedFrame;
for (auto const & container : m_aContainer)
{
if (container->getName() == sName)
{
xSearchedFrame = container;
break ;
}
}
return xSearchedFrame;
}
} // namespace framework
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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