b707ca9651
It seems likely that this lingering briefly after various un-identified and tough to reproduce, longer running operations in calc - which is a big ScProgress user - caused problems with background save. Change-Id: I1d0ec56c759dff30c48c8562b6400b57be4a25b2 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/168033 Reviewed-by: Caolán McNamara <caolan.mcnamara@collabora.com> Tested-by: Caolán McNamara <caolan.mcnamara@collabora.com> Reviewed-on: https://gerrit.libreoffice.org/c/core/+/168052 Tested-by: Jenkins
277 lines
10 KiB
C++
277 lines
10 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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#pragma once
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#include <sal/config.h>
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#include <vector>
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#include <mutex>
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// include files of own module
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#include <helper/wakeupthread.hxx>
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// include uno interfaces
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#include <com/sun/star/lang/XServiceInfo.hpp>
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#include <com/sun/star/lang/XInitialization.hpp>
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#include <com/sun/star/task/XStatusIndicatorFactory.hpp>
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#include <com/sun/star/task/XStatusIndicator.hpp>
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#include <com/sun/star/awt/XWindow.hpp>
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#include <com/sun/star/frame/XFrame.hpp>
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#include <com/sun/star/util/XUpdatable.hpp>
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#include <com/sun/star/uno/XComponentContext.hpp>
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#include <cppuhelper/supportsservice.hxx>
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#include <cppuhelper/implbase.hxx>
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#include <comphelper/lok.hxx>
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#include <rtl/ref.hxx>
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namespace framework{
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/**
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@descr This struct hold some information about all currently running progress processes.
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Because the can be used on a stack, we must cache her states but must paint only
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the top most one.
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*/
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struct IndicatorInfo
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{
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// member
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public:
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/** @short points to the indicator child, where we hold its states
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alive here. */
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css::uno::Reference< css::task::XStatusIndicator > m_xIndicator;
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/** @short the last set text for this indicator */
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OUString m_sText;
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/** @short the last set value for this indicator */
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sal_Int32 m_nValue;
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// interface
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public:
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/** @short initialize new instance of this class
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@param xIndicator
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the new child indicator of our factory.
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@param sText
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its initial text.
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@param nRange
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the max range for this indicator.
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*/
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IndicatorInfo(const css::uno::Reference< css::task::XStatusIndicator >& xIndicator,
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const OUString& sText )
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{
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m_xIndicator = xIndicator;
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m_sText = sText;
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m_nValue = 0;
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}
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/** @short Used to locate an info struct inside a stl structure...
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@descr The indicator object itself is used as key. Its values
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are not interesting then. Because more than one child
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indicator can use the same values...
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*/
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bool operator==(const css::uno::Reference< css::task::XStatusIndicator >& xIndicator) const
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{
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return (m_xIndicator == xIndicator);
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}
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};
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/** @descr Define a list of child indicator objects and its data. */
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typedef ::std::vector< IndicatorInfo > IndicatorStack;
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/** @short implement a factory service to create new status indicator objects
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@descr Internally it uses:
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- a vcl based
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- or a uno based and by the frame layouted
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progress implementation.
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This factory create different indicators and control his access
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to a shared output device! Only the last activated component
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can write its state to this device. All other requests will be
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cached only.
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@devstatus ready to use
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@threadsafe yes
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*/
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class StatusIndicatorFactory final : public ::cppu::WeakImplHelper<
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css::lang::XServiceInfo
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, css::lang::XInitialization
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, css::task::XStatusIndicatorFactory
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, css::util::XUpdatable >,
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public comphelper::LibreOfficeKit::ThreadJoinable
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{
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// member
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private:
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std::mutex m_mutex;
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/** stack with all current indicator children. */
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IndicatorStack m_aStack;
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/** uno service manager to create own needed uno resources. */
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css::uno::Reference< css::uno::XComponentContext > m_xContext;
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/** most active indicator child, which could work with our shared indicator window only. */
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css::uno::Reference< css::task::XStatusIndicator > m_xActiveChild;
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/** used to show the progress on the frame (layouted!) or
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as a plugged vcl window. */
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css::uno::Reference< css::task::XStatusIndicator > m_xProgress;
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/** points to the frame, where we show the progress (in case
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m_xProgress points to a frame progress. */
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css::uno::WeakReference< css::frame::XFrame > m_xFrame;
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/** points to an outside window, where we show the progress (in case
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we are plugged into such window). */
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css::uno::WeakReference< css::awt::XWindow > m_xPluggWindow;
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/** Notify us if a fix time is over. We use it to implement an
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intelligent "Reschedule" ... */
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std::unique_ptr<WakeUpThread> m_pWakeUp;
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/** Our WakeUpThread calls us in our interface method "XUpdatable::update().
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There we set this member m_bAllowReschedule to sal_True. Next time if our impl_reschedule()
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method is called, we know, that an Application::Reschedule() should be made.
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Because the last made Reschedule can be was taken long time ago ... may be.*/
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bool m_bAllowReschedule;
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/** enable/disable automatic showing of our parent window. */
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bool m_bAllowParentShow;
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/** enable/disable rescheduling. Default=enabled*/
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bool m_bDisableReschedule;
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/** prevent recursive calling of Application::Reschedule(). */
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static sal_Int32 m_nInReschedule;
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// interface
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public:
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StatusIndicatorFactory(css::uno::Reference< css::uno::XComponentContext > xContext);
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virtual OUString SAL_CALL getImplementationName() override
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{
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return u"com.sun.star.comp.framework.StatusIndicatorFactory"_ustr;
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}
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virtual sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override
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{
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return cppu::supportsService(this, ServiceName);
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}
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virtual css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override
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{
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return { u"com.sun.star.task.StatusIndicatorFactory"_ustr };
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}
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// XInitialization
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virtual void SAL_CALL initialize(const css::uno::Sequence< css::uno::Any >& lArguments) override;
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// XStatusIndicatorFactory
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virtual css::uno::Reference< css::task::XStatusIndicator > SAL_CALL createStatusIndicator() override;
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// XUpdatable
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virtual void SAL_CALL update() override;
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// similar (XStatusIndicator)
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void start(const css::uno::Reference< css::task::XStatusIndicator >& xChild,
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const OUString& sText ,
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sal_Int32 nRange);
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void reset(const css::uno::Reference< css::task::XStatusIndicator >& xChild);
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void end(const css::uno::Reference< css::task::XStatusIndicator >& xChild);
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void setText(const css::uno::Reference< css::task::XStatusIndicator >& xChild,
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const OUString& sText );
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void setValue(const css::uno::Reference< css::task::XStatusIndicator >& xChild,
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sal_Int32 nValue);
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// comphelper::LibreOfficeKit::ThreadJoinable
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virtual bool joinThreads() override;
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virtual void startThreads() override;
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// specials
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private:
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virtual ~StatusIndicatorFactory() override;
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// helper
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/** @short show the parent window of this progress ...
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if it's allowed to do so.
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@descr By default we show the parent window automatically
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if this progress is used.
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If that isn't a valid operation, the user of this
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progress can suppress this feature by initializing
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us with a special parameter.
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@seealso initialize()
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*/
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void implts_makeParentVisibleIfAllowed();
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/** @short creates a new internal used progress.
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@descr This factory does not paint the progress itself.
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It uses helper for that. They can be vcl based or
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layouted by the frame and provided as a uno interface.
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*/
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void impl_createProgress();
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/** @short shows the internal used progress.
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@descr This factory does not paint the progress itself.
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It uses helper for that. They can be vcl based or
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layouted by the frame and provided as a uno interface.
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*/
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void impl_showProgress();
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/** @short hides the internal used progress.
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@descr This factory does not paint the progress itself.
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It uses helper for that. They can be vcl based or
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layouted by the frame and provided as a uno interface.
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*/
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void impl_hideProgress();
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/** @short try to "share the current thread in an intelligent manner" :-)
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@param Overwrites our algorithm for Reschedule and force it to be sure
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that our progress was painted right.
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*/
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void impl_reschedule(bool bForceUpdate);
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void impl_startWakeUpThread();
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void impl_stopWakeUpThread();
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}; // class StatusIndicatorFactory
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} // namespace framework
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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