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| -rw-r--r-- | unotools/source/config/cmdoptions.cxx | 349 |
1 files changed, 349 insertions, 0 deletions
diff --git a/unotools/source/config/cmdoptions.cxx b/unotools/source/config/cmdoptions.cxx new file mode 100644 index 000000000..1408f22c2 --- /dev/null +++ b/unotools/source/config/cmdoptions.cxx @@ -0,0 +1,349 @@ +/* -*- 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 <sal/config.h> + +#include <sal/log.hxx> +#include <unotools/cmdoptions.hxx> +#include <unotools/configitem.hxx> +#include <tools/debug.hxx> +#include <com/sun/star/uno/Any.hxx> +#include <com/sun/star/uno/Sequence.hxx> +#include <com/sun/star/frame/XFrame.hpp> +#include <cppuhelper/weakref.hxx> + +#include "itemholder1.hxx" + +#include <algorithm> +#include <unordered_map> + +using namespace ::std; +using namespace ::utl; +using namespace ::osl; +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::beans; + +constexpr OUStringLiteral ROOTNODE_CMDOPTIONS = u"Office.Commands/Execute"; +#define PATHDELIMITER "/" + +#define SETNODE_DISABLED "Disabled" + +#define PROPERTYNAME_CMD "Command" + +namespace { + +/*-**************************************************************************************************************** + @descr support simple command option structures and operations on it +****************************************************************************************************************-*/ +class SvtCmdOptions +{ + public: + + // the only way to free memory! + void Clear() + { + m_aCommandHashMap.clear(); + } + + bool HasEntries() const + { + return ( !m_aCommandHashMap.empty() ); + } + + bool Lookup( const OUString& aCmd ) const + { + CommandHashMap::const_iterator pEntry = m_aCommandHashMap.find( aCmd ); + return ( pEntry != m_aCommandHashMap.end() ); + } + + void AddCommand( const OUString& aCmd ) + { + m_aCommandHashMap.emplace( aCmd, 0 ); + } + + private: + typedef std::unordered_map<OUString, sal_Int32> + CommandHashMap; + + CommandHashMap m_aCommandHashMap; +}; + +std::mutex& GetOwnStaticMutex() +{ + static std::mutex theCommandOptionsMutex; + return theCommandOptionsMutex; +} + +} + +typedef ::std::vector< css::uno::WeakReference< css::frame::XFrame > > SvtFrameVector; + +class SvtCommandOptions_Impl : public ConfigItem +{ + public: + + SvtCommandOptions_Impl(); + virtual ~SvtCommandOptions_Impl() override; + + /*-**************************************************************************************************** + @short called for notify of configmanager + @descr This method is called from the ConfigManager before the application ends or from the + PropertyChangeListener if the sub tree broadcasts changes. You must update your + internal values. + + @seealso baseclass ConfigItem + + @param "lPropertyNames" is the list of properties which should be updated. + *//*-*****************************************************************************************************/ + + virtual void Notify( const Sequence< OUString >& lPropertyNames ) override; + + /*-**************************************************************************************************** + @short base implementation of public interface for "SvtDynamicMenuOptions"! + @descr These class is used as static member of "SvtDynamicMenuOptions" ... + => The code exist only for one time and isn't duplicated for every instance! + *//*-*****************************************************************************************************/ + + bool HasEntries ( SvtCommandOptions::CmdOption eOption ) const; + bool Lookup ( SvtCommandOptions::CmdOption eCmdOption, const OUString& ) const; + void EstablishFrameCallback(const css::uno::Reference< css::frame::XFrame >& xFrame); + + private: + + virtual void ImplCommit() override; + + /*-**************************************************************************************************** + @short return list of key names of our configuration management which represent our module tree + @descr This method returns the current list of key names! We need it to get needed values from our + configuration management and support dynamical menu item lists! + @param "nDisabledCount", returns count of menu entries for "new" + @return A list of configuration key names is returned. + *//*-*****************************************************************************************************/ + + Sequence< OUString > impl_GetPropertyNames(); + + private: + SvtCmdOptions m_aDisabledCommands; + SvtFrameVector m_lFrames; +}; + +// constructor + +SvtCommandOptions_Impl::SvtCommandOptions_Impl() + // Init baseclasses first + : ConfigItem( ROOTNODE_CMDOPTIONS ) + // Init member then... +{ + // Get names and values of all accessible menu entries and fill internal structures. + // See impl_GetPropertyNames() for further information. + Sequence< OUString > lNames = impl_GetPropertyNames (); + Sequence< Any > lValues = GetProperties ( lNames ); + + // Safe impossible cases. + // We need values from ALL configuration keys. + // Follow assignment use order of values in relation to our list of key names! + DBG_ASSERT( !(lNames.getLength()!=lValues.getLength()), "SvtCommandOptions_Impl::SvtCommandOptions_Impl()\nI miss some values of configuration keys!\n" ); + + // Copy values from list in right order to our internal member. + // Attention: List for names and values have an internal construction pattern! + sal_Int32 nItem = 0; + OUString sCmd; + + // Get names/values for disabled commands. + for( nItem=0; nItem < lNames.getLength(); ++nItem ) + { + // Currently only one value + lValues[nItem] >>= sCmd; + m_aDisabledCommands.AddCommand( sCmd ); + } + +/*TODO: Not used in the moment! see Notify() ... + // Enable notification mechanism of our baseclass. + // We need it to get information about changes outside these class on our used configuration keys! */ + Sequence<OUString> aNotifySeq { "Disabled" }; + EnableNotification( aNotifySeq, true ); +} + +// destructor + +SvtCommandOptions_Impl::~SvtCommandOptions_Impl() +{ + assert(!IsModified()); // should have been committed +} + +// public method + +void SvtCommandOptions_Impl::Notify( const Sequence< OUString >& ) +{ + std::unique_lock aGuard( GetOwnStaticMutex() ); + + Sequence< OUString > lNames = impl_GetPropertyNames (); + Sequence< Any > lValues = GetProperties ( lNames ); + + // Safe impossible cases. + // We need values from ALL configuration keys. + // Follow assignment use order of values in relation to our list of key names! + DBG_ASSERT( !(lNames.getLength()!=lValues.getLength()), "SvtCommandOptions_Impl::Notify()\nI miss some values of configuration keys!\n" ); + + // Copy values from list in right order to our internal member. + // Attention: List for names and values have an internal construction pattern! + sal_Int32 nItem = 0; + OUString sCmd; + + m_aDisabledCommands.Clear(); + + // Get names/values for disabled commands. + for( nItem=0; nItem < lNames.getLength(); ++nItem ) + { + // Currently only one value + lValues[nItem] >>= sCmd; + m_aDisabledCommands.AddCommand( sCmd ); + } + + // don't forget to update all existing frames and her might cached dispatch objects! + // But look for already killed frames. We hold weak references instead of hard ones ... + for (SvtFrameVector::iterator pIt = m_lFrames.begin(); pIt != m_lFrames.end(); ) + { + css::uno::Reference< css::frame::XFrame > xFrame(pIt->get(), css::uno::UNO_QUERY); + if (xFrame.is()) + { + xFrame->contextChanged(); + ++pIt; + } + else + pIt = m_lFrames.erase(pIt); + } +} + +// public method + +void SvtCommandOptions_Impl::ImplCommit() +{ + SAL_WARN("unotools.config","SvtCommandOptions_Impl::ImplCommit(): Not implemented yet!"); +} + +// public method + +bool SvtCommandOptions_Impl::HasEntries( SvtCommandOptions::CmdOption eOption ) const +{ + if ( eOption == SvtCommandOptions::CMDOPTION_DISABLED ) + return m_aDisabledCommands.HasEntries(); + else + return false; +} + +// public method + +bool SvtCommandOptions_Impl::Lookup( SvtCommandOptions::CmdOption eCmdOption, const OUString& aCommand ) const +{ + switch( eCmdOption ) + { + case SvtCommandOptions::CMDOPTION_DISABLED: + { + return m_aDisabledCommands.Lookup( aCommand ); + } + default: + SAL_WARN( "unotools.config", "SvtCommandOptions_Impl::Lookup() Unknown option type given!" ); + } + + return false; +} + +// public method + +void SvtCommandOptions_Impl::EstablishFrameCallback(const css::uno::Reference< css::frame::XFrame >& xFrame) +{ + // check if frame already exists inside list + // ignore double registrations + // every frame must be notified one times only! + css::uno::WeakReference< css::frame::XFrame > xWeak(xFrame); + SvtFrameVector::const_iterator pIt = ::std::find(m_lFrames.begin(), m_lFrames.end(), xWeak); + if (pIt == m_lFrames.end()) + m_lFrames.push_back(xWeak); +} + +// private method + +Sequence< OUString > SvtCommandOptions_Impl::impl_GetPropertyNames() +{ + // First get ALL names of current existing list items in configuration! + Sequence< OUString > lDisabledItems = GetNodeNames( SETNODE_DISABLED, utl::ConfigNameFormat::LocalPath ); + + // Expand all keys + for (OUString& rItem : asNonConstRange(lDisabledItems)) + rItem = SETNODE_DISABLED PATHDELIMITER + rItem + PATHDELIMITER PROPERTYNAME_CMD; + + // Return result. + return lDisabledItems; +} + +namespace { + +std::weak_ptr<SvtCommandOptions_Impl> g_pCommandOptions; + +} + +SvtCommandOptions::SvtCommandOptions() +{ + // Global access, must be guarded (multithreading!). + std::unique_lock aGuard( GetOwnStaticMutex() ); + + m_pImpl = g_pCommandOptions.lock(); + if( !m_pImpl ) + { + m_pImpl = std::make_shared<SvtCommandOptions_Impl>(); + g_pCommandOptions = m_pImpl; + aGuard.unlock(); // because holdConfigItem will call this constructor + ItemHolder1::holdConfigItem(EItem::CmdOptions); + } +} + +SvtCommandOptions::~SvtCommandOptions() +{ + // Global access, must be guarded (multithreading!) + std::unique_lock aGuard( GetOwnStaticMutex() ); + + m_pImpl.reset(); +} + +// public method + +bool SvtCommandOptions::HasEntries( CmdOption eOption ) const +{ + std::unique_lock aGuard( GetOwnStaticMutex() ); + return m_pImpl->HasEntries( eOption ); +} + +// public method + +bool SvtCommandOptions::Lookup( CmdOption eCmdOption, const OUString& aCommandURL ) const +{ + std::unique_lock aGuard( GetOwnStaticMutex() ); + return m_pImpl->Lookup( eCmdOption, aCommandURL ); +} + +// public method + +void SvtCommandOptions::EstablishFrameCallback(const css::uno::Reference< css::frame::XFrame >& xFrame) +{ + std::unique_lock aGuard( GetOwnStaticMutex() ); + m_pImpl->EstablishFrameCallback(xFrame); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |