c60ad041e8
Change-Id: I024653154c51389bb27f3e94b422ff7fc1c9b46b Reviewed-on: https://gerrit.libreoffice.org/c/core/+/135296 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
78 lines
3.3 KiB
C++
78 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
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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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#pragma once
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#include <svtools/toolboxcontroller.hxx>
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#include <com/sun/star/frame/XDispatchProvider.hpp>
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namespace framework {
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/**
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* A dispatcher that serves as a proxy for style commands with arguments
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* i.e. .uno:StyleApply?... in order to provide useful status updates to
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* generic UI elements such as toolbars or menubar. It listens to special
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* status commands, and computes a boolean status out of them. Then it
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* forwards that boolean status to the listener, as if it was the status
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* of the original command.
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*
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* Note that the implementation is minimal: Although the UI element appears
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* to be the owner of the dispatcher, it's still responsible, as usual, to
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* call removeStatusListener same amount of times as addStatusListener,
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* otherwise the dispatcher might not be destructed. In addition this
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* implementation might hold a hard reference on the owner, and it's the
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* responsibility of the owner to destroy the dispatcher first, in order
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* to break the cycle.
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*/
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class StyleDispatcher final : public cppu::WeakImplHelper< css::frame::XDispatch, css::frame::XStatusListener >
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{
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public:
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StyleDispatcher( const css::uno::Reference< css::frame::XFrame >& rFrame,
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css::uno::Reference< css::util::XURLTransformer > xUrlTransformer,
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const css::util::URL& rURL );
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// XDispatch
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void SAL_CALL dispatch( const css::util::URL& rURL, const css::uno::Sequence< css::beans::PropertyValue >& rArguments ) override;
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void SAL_CALL addStatusListener( const css::uno::Reference< css::frame::XStatusListener >& rListener, const css::util::URL& rURL ) override;
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void SAL_CALL removeStatusListener( const css::uno::Reference< css::frame::XStatusListener >& rListener, const css::util::URL& rURL ) override;
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// XStatusListener
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void SAL_CALL statusChanged( const css::frame::FeatureStateEvent& rEvent ) override;
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// XEventListener
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void SAL_CALL disposing( const css::lang::EventObject& rSource ) override;
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private:
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OUString m_aStyleName, m_aCommand, m_aStatusCommand;
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css::uno::Reference< css::util::XURLTransformer > m_xUrlTransformer;
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css::uno::Reference< css::frame::XDispatchProvider > m_xFrame;
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css::uno::Reference< css::frame::XDispatch > m_xStatusDispatch;
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css::uno::Reference< css::frame::XStatusListener > m_xOwner;
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};
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class StyleToolbarController final : public svt::ToolboxController
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{
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public:
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StyleToolbarController( const css::uno::Reference< css::uno::XComponentContext >& rContext,
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const css::uno::Reference< css::frame::XFrame >& rFrame,
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const OUString& rCommand );
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// XUpdatable
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void SAL_CALL update() override;
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// XStatusListener
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void SAL_CALL statusChanged( const css::frame::FeatureStateEvent& rEvent ) override;
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// XComponent
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void SAL_CALL dispose() override;
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};
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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