49192335f8
Change-Id: Ieda6fe806da2cfd17a7891cefa7f55666ee6b728 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/167730 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
337 lines
11 KiB
C++
337 lines
11 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <sal/config.h>
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#include <sal/log.hxx>
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#include <unotools/cmdoptions.hxx>
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#include <unotools/configitem.hxx>
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#include <tools/debug.hxx>
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#include <com/sun/star/uno/Any.hxx>
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#include <com/sun/star/uno/Sequence.hxx>
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#include <com/sun/star/frame/XFrame.hpp>
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#include <cppuhelper/weakref.hxx>
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#include "itemholder1.hxx"
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#include <algorithm>
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#include <unordered_map>
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using namespace ::utl;
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using namespace ::osl;
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::beans;
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constexpr OUStringLiteral ROOTNODE_CMDOPTIONS = u"Office.Commands/Execute";
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#define PATHDELIMITER "/"
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#define SETNODE_DISABLED "Disabled"
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#define PROPERTYNAME_CMD "Command"
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namespace {
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/*-****************************************************************************************************************
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@descr support simple command option structures and operations on it
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****************************************************************************************************************-*/
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class SvtCmdOptions
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{
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public:
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// the only way to free memory!
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void Clear()
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{
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m_aCommandHashMap.clear();
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}
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bool HasEntries() const
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{
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return ( !m_aCommandHashMap.empty() );
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}
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bool Lookup( const OUString& aCmd ) const
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{
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CommandHashMap::const_iterator pEntry = m_aCommandHashMap.find( aCmd );
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return ( pEntry != m_aCommandHashMap.end() );
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}
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void AddCommand( const OUString& aCmd )
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{
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m_aCommandHashMap.emplace( aCmd, 0 );
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}
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private:
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typedef std::unordered_map<OUString, sal_Int32>
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CommandHashMap;
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CommandHashMap m_aCommandHashMap;
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};
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std::mutex& GetOwnStaticMutex()
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{
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static std::mutex theCommandOptionsMutex;
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return theCommandOptionsMutex;
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}
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}
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typedef ::std::vector< css::uno::WeakReference< css::frame::XFrame > > SvtFrameVector;
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class SvtCommandOptions_Impl : public ConfigItem
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{
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public:
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SvtCommandOptions_Impl();
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virtual ~SvtCommandOptions_Impl() override;
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/*-****************************************************************************************************
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@short called for notify of configmanager
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@descr This method is called from the ConfigManager before the application ends or from the
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PropertyChangeListener if the sub tree broadcasts changes. You must update your
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internal values.
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@seealso baseclass ConfigItem
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@param "lPropertyNames" is the list of properties which should be updated.
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*//*-*****************************************************************************************************/
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virtual void Notify( const Sequence< OUString >& lPropertyNames ) override;
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/*-****************************************************************************************************
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@short base implementation of public interface for "SvtDynamicMenuOptions"!
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@descr These class is used as static member of "SvtDynamicMenuOptions" ...
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=> The code exist only for one time and isn't duplicated for every instance!
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*//*-*****************************************************************************************************/
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bool HasEntriesDisabled() const;
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bool LookupDisabled( const OUString& ) const;
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void EstablishFrameCallback(const css::uno::Reference< css::frame::XFrame >& xFrame);
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private:
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virtual void ImplCommit() override;
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/*-****************************************************************************************************
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@short return list of key names of our configuration management which represent our module tree
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@descr This method returns the current list of key names! We need it to get needed values from our
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configuration management and support dynamical menu item lists!
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@param "nDisabledCount", returns count of menu entries for "new"
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@return A list of configuration key names is returned.
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*//*-*****************************************************************************************************/
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Sequence< OUString > impl_GetPropertyNames();
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private:
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SvtCmdOptions m_aDisabledCommands;
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SvtFrameVector m_lFrames;
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};
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// constructor
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SvtCommandOptions_Impl::SvtCommandOptions_Impl()
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// Init baseclasses first
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: ConfigItem( ROOTNODE_CMDOPTIONS )
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// Init member then...
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{
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// Get names and values of all accessible menu entries and fill internal structures.
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// See impl_GetPropertyNames() for further information.
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Sequence< OUString > lNames = impl_GetPropertyNames ();
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Sequence< Any > lValues = GetProperties ( lNames );
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// Safe impossible cases.
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// We need values from ALL configuration keys.
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// Follow assignment use order of values in relation to our list of key names!
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DBG_ASSERT( !(lNames.getLength()!=lValues.getLength()), "SvtCommandOptions_Impl::SvtCommandOptions_Impl()\nI miss some values of configuration keys!\n" );
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// Copy values from list in right order to our internal member.
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// Attention: List for names and values have an internal construction pattern!
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sal_Int32 nItem = 0;
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OUString sCmd;
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// Get names/values for disabled commands.
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for( nItem=0; nItem < lNames.getLength(); ++nItem )
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{
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// Currently only one value
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lValues[nItem] >>= sCmd;
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m_aDisabledCommands.AddCommand( sCmd );
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}
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/*TODO: Not used in the moment! see Notify() ...
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// Enable notification mechanism of our baseclass.
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// We need it to get information about changes outside these class on our used configuration keys! */
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Sequence<OUString> aNotifySeq { u"Disabled"_ustr };
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EnableNotification( aNotifySeq, true );
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}
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// destructor
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SvtCommandOptions_Impl::~SvtCommandOptions_Impl()
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{
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assert(!IsModified()); // should have been committed
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}
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// public method
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void SvtCommandOptions_Impl::Notify( const Sequence< OUString >& )
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{
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std::unique_lock aGuard( GetOwnStaticMutex() );
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Sequence< OUString > lNames = impl_GetPropertyNames ();
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Sequence< Any > lValues = GetProperties ( lNames );
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// Safe impossible cases.
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// We need values from ALL configuration keys.
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// Follow assignment use order of values in relation to our list of key names!
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DBG_ASSERT( !(lNames.getLength()!=lValues.getLength()), "SvtCommandOptions_Impl::Notify()\nI miss some values of configuration keys!\n" );
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// Copy values from list in right order to our internal member.
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// Attention: List for names and values have an internal construction pattern!
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sal_Int32 nItem = 0;
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OUString sCmd;
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m_aDisabledCommands.Clear();
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// Get names/values for disabled commands.
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for( nItem=0; nItem < lNames.getLength(); ++nItem )
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{
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// Currently only one value
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lValues[nItem] >>= sCmd;
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m_aDisabledCommands.AddCommand( sCmd );
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}
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// don't forget to update all existing frames and her might cached dispatch objects!
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// But look for already killed frames. We hold weak references instead of hard ones ...
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for (SvtFrameVector::iterator pIt = m_lFrames.begin(); pIt != m_lFrames.end(); )
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{
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css::uno::Reference< css::frame::XFrame > xFrame(pIt->get(), css::uno::UNO_QUERY);
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if (xFrame.is())
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{
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aGuard.unlock(); // because we can call back into ourself
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xFrame->contextChanged();
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aGuard.lock();
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++pIt;
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}
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else
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pIt = m_lFrames.erase(pIt);
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}
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}
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// public method
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void SvtCommandOptions_Impl::ImplCommit()
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{
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SAL_WARN("unotools.config","SvtCommandOptions_Impl::ImplCommit(): Not implemented yet!");
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}
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// public method
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bool SvtCommandOptions_Impl::HasEntriesDisabled() const
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{
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return m_aDisabledCommands.HasEntries();
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}
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// public method
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bool SvtCommandOptions_Impl::LookupDisabled( const OUString& aCommand ) const
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{
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return m_aDisabledCommands.Lookup( aCommand );
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}
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// public method
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void SvtCommandOptions_Impl::EstablishFrameCallback(const css::uno::Reference< css::frame::XFrame >& xFrame)
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{
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// check if frame already exists inside list
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// ignore double registrations
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// every frame must be notified one times only!
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css::uno::WeakReference< css::frame::XFrame > xWeak(xFrame);
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SvtFrameVector::const_iterator pIt = ::std::find(m_lFrames.begin(), m_lFrames.end(), xWeak);
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if (pIt == m_lFrames.end())
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m_lFrames.push_back(xWeak);
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}
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// private method
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Sequence< OUString > SvtCommandOptions_Impl::impl_GetPropertyNames()
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{
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// First get ALL names of current existing list items in configuration!
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Sequence< OUString > lDisabledItems = GetNodeNames( u"" SETNODE_DISABLED ""_ustr, utl::ConfigNameFormat::LocalPath );
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// Expand all keys
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for (OUString& rItem : asNonConstRange(lDisabledItems))
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rItem = SETNODE_DISABLED PATHDELIMITER + rItem + PATHDELIMITER PROPERTYNAME_CMD;
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// Return result.
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return lDisabledItems;
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}
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namespace {
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std::weak_ptr<SvtCommandOptions_Impl> g_pCommandOptions;
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}
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SvtCommandOptions::SvtCommandOptions()
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{
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// Global access, must be guarded (multithreading!).
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std::unique_lock aGuard( GetOwnStaticMutex() );
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m_pImpl = g_pCommandOptions.lock();
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if( !m_pImpl )
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{
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m_pImpl = std::make_shared<SvtCommandOptions_Impl>();
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g_pCommandOptions = m_pImpl;
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aGuard.unlock(); // because holdConfigItem will call this constructor
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ItemHolder1::holdConfigItem(EItem::CmdOptions);
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}
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}
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SvtCommandOptions::~SvtCommandOptions()
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{
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// Global access, must be guarded (multithreading!)
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std::unique_lock aGuard( GetOwnStaticMutex() );
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m_pImpl.reset();
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}
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// public method
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bool SvtCommandOptions::HasEntriesDisabled() const
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{
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std::unique_lock aGuard( GetOwnStaticMutex() );
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return m_pImpl->HasEntriesDisabled();
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}
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// public method
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bool SvtCommandOptions::LookupDisabled( const OUString& aCommandURL ) const
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{
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std::unique_lock aGuard( GetOwnStaticMutex() );
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return m_pImpl->LookupDisabled( aCommandURL );
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}
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// public method
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void SvtCommandOptions::EstablishFrameCallback(const css::uno::Reference< css::frame::XFrame >& xFrame)
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{
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std::unique_lock aGuard( GetOwnStaticMutex() );
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m_pImpl->EstablishFrameCallback(xFrame);
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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