40dde4385c
Change-Id: I5b6ee5bda0c5ff69d297f7f8e87d4c3f3d21791c Reviewed-on: https://gerrit.libreoffice.org/c/core/+/167470 Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk> Tested-by: Jenkins
92 lines
2.9 KiB
C++
92 lines
2.9 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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#pragma once
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#include <cppuhelper/implbase.hxx>
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#include <comphelper/processfactory.hxx>
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#include <vcl/vclptr.hxx>
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#include <com/sun/star/frame/XStatusListener.hpp>
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#include <com/sun/star/frame/XDispatch.hpp>
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#include <com/sun/star/frame/XDispatchProvider.hpp>
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#include <com/sun/star/frame/XFrame.hpp>
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#include <com/sun/star/util/URL.hpp>
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#include <com/sun/star/util/URLTransformer.hpp>
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template <class T> class VclStatusListener final : public cppu::WeakImplHelper < css::frame::XStatusListener>
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{
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public:
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VclStatusListener(T* widget, const css::uno::Reference<css::frame::XFrame>& rFrame, const OUString& aCommand);
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private:
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VclPtr<T> mWidget; /** The widget on which actions are performed */
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/** Dispatcher. Need to keep a reference to it as long as this StatusListener exists. */
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css::uno::Reference<css::frame::XDispatch> mxDispatch;
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css::util::URL maCommandURL;
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css::uno::Reference<css::frame::XFrame> mxFrame;
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public:
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void SAL_CALL statusChanged(const css::frame::FeatureStateEvent& rEvent) override;
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void SAL_CALL disposing(const css::lang::EventObject& /*Source*/) override;
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void startListening();
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void dispose();
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};
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template<class T>
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VclStatusListener<T>::VclStatusListener(T* widget, const css::uno::Reference<css::frame::XFrame>& rFrame, const OUString& aCommand) :
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mWidget(widget),
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mxFrame(rFrame)
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{
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css::uno::Reference<css::uno::XComponentContext> xContext = ::comphelper::getProcessComponentContext();
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maCommandURL.Complete = aCommand;
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css::uno::Reference<css::util::XURLTransformer> xParser = css::util::URLTransformer::create(xContext);
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xParser->parseStrict(maCommandURL);
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}
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template<class T>
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void VclStatusListener<T>::startListening()
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{
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css::uno::Reference<css::frame::XDispatchProvider> xDispatchProvider(mxFrame, css::uno::UNO_QUERY);
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if (!xDispatchProvider.is())
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return;
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mxDispatch = xDispatchProvider->queryDispatch(maCommandURL, u""_ustr, 0);
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if (mxDispatch.is())
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mxDispatch->addStatusListener(this, maCommandURL);
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}
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template<class T>
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void VclStatusListener<T>::statusChanged(const css::frame::FeatureStateEvent& rEvent)
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{
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mWidget->statusChanged(rEvent);
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}
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template<class T>
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void VclStatusListener<T>::disposing(const css::lang::EventObject& /*Source*/)
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{
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mxDispatch.clear();
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}
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template<class T>
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void VclStatusListener<T>::dispose()
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{
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if (mxDispatch.is()) {
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mxDispatch->removeStatusListener(this, maCommandURL);
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mxDispatch.clear();
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}
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mxFrame.clear();
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mWidget.clear();
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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