6bde58fa51
Change-Id: If5a8e74b7ede80b782b584b4f62ec1b8713fd86d Reviewed-on: https://gerrit.libreoffice.org/c/core/+/141445 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
329 lines
12 KiB
C++
329 lines
12 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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#ifndef INCLUDED_FRAMEWORK_PREVENTDUPLICATEINTERACTION_HXX
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#define INCLUDED_FRAMEWORK_PREVENTDUPLICATEINTERACTION_HXX
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#include <vector>
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#include <com/sun/star/frame/Desktop.hpp>
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#include <com/sun/star/frame/TerminationVetoException.hpp>
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#include <com/sun/star/lang/XInitialization.hpp>
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#include <com/sun/star/task/XInteractionHandler2.hpp>
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#include <com/sun/star/task/XInteractionRequest.hpp>
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#include <comphelper/compbase.hxx>
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#include <cppuhelper/implbase.hxx>
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#include <toolkit/helper/vclunohelper.hxx>
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#include <vcl/wrkwin.hxx>
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#include <vcl/svapp.hxx>
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#include <mutex>
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namespace com::sun::star::uno {
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class XComponentContext;
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}
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namespace sfx2 {
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inline void closedialogs(SystemWindow& rTopLevel, bool bCloseRoot)
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{
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for (vcl::Window *pChild = rTopLevel.GetWindow(GetWindowType::FirstTopWindowChild); pChild; pChild = rTopLevel.GetWindow(GetWindowType::NextTopWindowSibling))
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closedialogs(dynamic_cast<SystemWindow&>(*pChild), true);
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if (bCloseRoot)
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rTopLevel.Close();
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}
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// This is intended to be the parent for any warning dialogs launched
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// during the load of a document so that those dialogs are modal to
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// this window and don't block any existing windows.
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//
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// If there are dialog children open on exit then veto termination,
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// close the topmost dialog and retry termination.
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class WarningDialogsParent final :
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public comphelper::WeakComponentImplHelper<css::frame::XTerminateListener>
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{
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private:
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VclPtr<WorkWindow> m_xWin;
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css::uno::Reference<css::awt::XWindow> m_xInterface;
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private:
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DECL_STATIC_LINK(WarningDialogsParent, TerminateDesktop, void*, void);
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void closewarningdialogs()
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{
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if (!m_xWin)
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return;
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SolarMutexGuard aSolarGuard;
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closedialogs(*m_xWin, false);
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}
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public:
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using comphelper::WeakComponentImplHelperBase::disposing;
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virtual void SAL_CALL disposing(const css::lang::EventObject&) override
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{
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}
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// XTerminateListener
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virtual void SAL_CALL queryTermination(const css::lang::EventObject&) override
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{
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closewarningdialogs();
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Application::PostUserEvent(LINK(this, WarningDialogsParent, TerminateDesktop));
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throw css::frame::TerminationVetoException();
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}
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virtual void SAL_CALL notifyTermination(const css::lang::EventObject&) override
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{
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}
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public:
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WarningDialogsParent()
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{
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SolarMutexGuard aSolarGuard;
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m_xWin = VclPtr<WorkWindow>::Create(nullptr, WB_STDWORK);
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m_xWin->SetText("dialog parent for warning dialogs during load");
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m_xInterface = VCLUnoHelper::GetInterface(m_xWin);
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}
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virtual ~WarningDialogsParent() override
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{
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closewarningdialogs();
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m_xWin.disposeAndClear();
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}
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const css::uno::Reference<css::awt::XWindow>& GetDialogParent() const
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{
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return m_xInterface;
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}
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};
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class WarningDialogsParentScope
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{
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private:
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css::uno::Reference<css::frame::XDesktop> m_xDesktop;
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rtl::Reference<WarningDialogsParent> m_xListener;
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public:
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WarningDialogsParentScope(const css::uno::Reference<css::uno::XComponentContext>& rContext)
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: m_xDesktop(css::frame::Desktop::create(rContext), css::uno::UNO_QUERY_THROW)
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, m_xListener(new WarningDialogsParent)
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{
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m_xDesktop->addTerminateListener(m_xListener);
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}
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const css::uno::Reference<css::awt::XWindow>& GetDialogParent() const
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{
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return m_xListener->GetDialogParent();
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}
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~WarningDialogsParentScope()
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{
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m_xDesktop->removeTerminateListener(m_xListener);
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}
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};
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/**
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@short Prevent us from showing the same interaction more than once during
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the same transaction.
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@descr Every interaction provided to this helper will be safed ... handled by the internal
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used UUIInteractionHandler (!) and never be handled a second time!
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On the other side there exists some interactions, which allow a retry.
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So this helper allow to set a list of interactions combined with a retry value.
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*/
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class PreventDuplicateInteraction final :
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public ::cppu::WeakImplHelper<css::lang::XInitialization, css::task::XInteractionHandler2>
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{
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mutable std::mutex m_aLock;
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// structs, types etc.
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public:
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struct InteractionInfo
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{
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public:
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/// describe the interaction.
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css::uno::Type m_aInteraction;
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/// after max count was reached this interaction will be blocked.
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sal_Int32 m_nMaxCount;
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/// count how often this interaction was called.
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sal_Int32 m_nCallCount;
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/** hold the last intercepted request (matching the set interaction type) alive
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so it can be used for further checks */
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css::uno::Reference< css::task::XInteractionRequest > m_xRequest;
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public:
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InteractionInfo(const css::uno::Type& aInteraction)
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: m_aInteraction(aInteraction)
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, m_nMaxCount (1 )
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, m_nCallCount (0 )
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{}
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};
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// member
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private:
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/// Used to create needed uno services at runtime.
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css::uno::Reference< css::uno::XComponentContext > m_xContext;
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/** The outside interaction handler, which is used to handle every incoming interaction,
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if it's not blocked. */
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css::uno::Reference< css::task::XInteractionHandler > m_xHandler;
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std::unique_ptr<WarningDialogsParentScope> m_xWarningDialogsParent;
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/** This list describe which and how incoming interactions must be handled.
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Further it contains all collected information after this interaction
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object was used.*/
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std::vector< InteractionInfo > m_lInteractionRules;
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// uno interface
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public:
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virtual void SAL_CALL initialize(const css::uno::Sequence<css::uno::Any>& rArguments) override;
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/**
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@interface XInteractionHandler
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@short called from outside to handle a problem
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@descr We filter the incoming interactions. some of them
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will be forwarded to the generic UI interaction handler.
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So we must not implement it twice. Some other ones
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will be aborted only.
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@threadsafe yes
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*/
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virtual void SAL_CALL handle(const css::uno::Reference< css::task::XInteractionRequest >& xRequest) override;
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/**
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@interface XInteractionHandler2
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@short called from outside to handle a problem
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@descr We filter the incoming interactions. some of them
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will be forwarded to the generic UI interaction handler.
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So we must not implement it twice. Some other ones
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will be aborted only.
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@threadsafe yes
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*/
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virtual sal_Bool SAL_CALL handleInteractionRequest( const css::uno::Reference< css::task::XInteractionRequest >& xRequest ) override;
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/**
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@interface XInterface
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@short called to query another interface of the component
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@descr Will allow to query for XInteractionHandler2 if and only if m_xHandler supports this interface, too.
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@threadsafe yes
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*/
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virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type& aType ) override;
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// c++ interface
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public:
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/**
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@short ctor to guarantee right initialized instances of this class
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@descr It uses the given uno service manager to create the global
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generic UI interaction handler for later internal using.
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@param xSMGR
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uno service manager for creating services internally
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@threadsafe not necessary
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*/
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PreventDuplicateInteraction(css::uno::Reference< css::uno::XComponentContext > xContext);
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/**
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@short dtor to free used memory.
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*/
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virtual ~PreventDuplicateInteraction() override;
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/**
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@short set the outside interaction handler, which must be used internally
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if the interaction will not be blocked by the set list of rules.
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@note This overwrites the settings of e.g. useDefaultUUIHandler()!
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@param xHandler
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the new interaction handler
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*/
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void setHandler(const css::uno::Reference< css::task::XInteractionHandler >& xHandler);
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/**
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@short instead of setting an outside interaction handler, this method
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make sure the default UUI interaction handler of the office is used.
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@note This overwrites the settings of e.g. setHandler()!
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*/
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void useDefaultUUIHandler();
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/**
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@short add a new interaction to the list of interactions, which
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must be handled by this helper.
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@descr This method must be called immediately after a new instance of this helper was
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created. Without such list of InteractionRules, this instances does nothing!
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On the other side there is no possibility to remove rules.
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So the same instance can't be used within different transactions.
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It's a OneWay-object .-)
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@param aInteractionInfo
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describe the type of interaction, hos often it can be called etcpp.
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@threadsafe yes
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*/
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void addInteractionRule(const PreventDuplicateInteraction::InteractionInfo& aInteractionInfo);
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/**
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@short return the info struct for the specified interaction.
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@param aInteraction
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specify the interaction.
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@param pReturn
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provides information about:
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- the count how often this interaction was handled during the
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lifetime of this helper.
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- the interaction itself, so it can be analyzed further
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@return [boolean]
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true if the queried interaction could be found.
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false otherwise.
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@threadsafe yes
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*/
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bool getInteractionInfo(const css::uno::Type& aInteraction,
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PreventDuplicateInteraction::InteractionInfo* pReturn ) const;
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};
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} // namespace sfx2
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#endif // INCLUDED_FRAMEWORK_PREVENTDUPLICATEINTERACTION_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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