diff options
Diffstat (limited to 'sw/inc/deletelistener.hxx')
-rw-r--r-- | sw/inc/deletelistener.hxx | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/sw/inc/deletelistener.hxx b/sw/inc/deletelistener.hxx new file mode 100644 index 000000000000..bfdc0926d3b6 --- /dev/null +++ b/sw/inc/deletelistener.hxx @@ -0,0 +1,92 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */ +/* + * 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/. + */ + +#pragma once + +#include <svl/listener.hxx> +#include <svl/lstner.hxx> +#include "calbck.hxx" + +class SwDeleteListener final : public SwClient +{ +private: + SwModify* m_pModify; + + virtual void SwClientNotify(const SwModify&, const SfxHint& rHint) override + { + if (auto pLegacy = dynamic_cast<const sw::LegacyModifyHint*>(&rHint)) + { + if (pLegacy->m_pOld && pLegacy->m_pOld->Which() == RES_OBJECTDYING) + { + m_pModify->Remove(this); + m_pModify = nullptr; + } + } + } + +public: + SwDeleteListener(SwModify& rModify) + : m_pModify(&rModify) + { + m_pModify->Add(this); + } + + bool WasDeleted() const { return !m_pModify; } + + virtual ~SwDeleteListener() override + { + if (!m_pModify) + return; + m_pModify->Remove(this); + } +}; + +class SvtDeleteListener final : public SvtListener +{ +private: + bool bObjectDeleted; + +public: + explicit SvtDeleteListener(SvtBroadcaster& rNotifier) + : bObjectDeleted(false) + { + StartListening(rNotifier); + } + + virtual void Notify(const SfxHint& rHint) override + { + if (rHint.GetId() == SfxHintId::Dying) + bObjectDeleted = true; + } + + bool WasDeleted() const { return bObjectDeleted; } +}; + +class SfxDeleteListener final : public SfxListener +{ +private: + bool bObjectDeleted; + +public: + explicit SfxDeleteListener(SfxBroadcaster& rNotifier) + : bObjectDeleted(false) + { + StartListening(rNotifier); + } + + virtual void Notify(SfxBroadcaster& /*rBC*/, const SfxHint& rHint) override + { + if (rHint.GetId() == SfxHintId::Dying) + bObjectDeleted = true; + } + + bool WasDeleted() const { return bObjectDeleted; } +}; + +/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */ |