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Diffstat (limited to 'framework/inc/uielement')
-rw-r--r-- | framework/inc/uielement/styletoolbarcontroller.hxx | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/framework/inc/uielement/styletoolbarcontroller.hxx b/framework/inc/uielement/styletoolbarcontroller.hxx new file mode 100644 index 000000000000..8947647d6fc9 --- /dev/null +++ b/framework/inc/uielement/styletoolbarcontroller.hxx @@ -0,0 +1,81 @@ +/* -*- 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/. + */ + +#ifndef INCLUDED_FRAMEWORK_INC_UIELEMENT_STYLETOOLBARCONTROLLER_HXX +#define INCLUDED_FRAMEWORK_INC_UIELEMENT_STYLETOOLBARCONTROLLER_HXX + +#include <svtools/toolboxcontroller.hxx> +#include <com/sun/star/frame/XDispatchProvider.hpp> + +namespace framework { + +/** + * A dispatcher that serves as a proxy for style commands with arguments + * i.e. .uno:StyleApply?... in order to provide useful status updates to + * generic UI elements such as toolbars or menubar. It listens to special + * status commands, and computes a boolean status out of them. Then it + * forwards that boolean status to the listener, as if it was the status + * of the original command. + * + * Note that the implementation is minimal: Although the UI element appears + * to be the owner of the dispatcher, it's still responsible, as usual, to + * call removeStatusListener same amount of times as addStatusListener, + * otherwise the dispatcher might not be destructed. In addition this + * implementation might hold a hard reference on the owner, and it's the + * responsibility of the owner to destroy the dispatcher first, in order + * to break the cycle. + */ +class StyleDispatcher : public cppu::WeakImplHelper< css::frame::XDispatch, css::frame::XStatusListener > +{ +public: + StyleDispatcher( const css::uno::Reference< css::frame::XFrame >& rFrame, + const css::uno::Reference< css::util::XURLTransformer >& rUrlTransformer, + const css::util::URL& rURL ); + + // XDispatch + void SAL_CALL dispatch( const css::util::URL& rURL, const css::uno::Sequence< css::beans::PropertyValue >& rArguments ) override; + void SAL_CALL addStatusListener( const css::uno::Reference< css::frame::XStatusListener >& rListener, const css::util::URL& rURL ) override; + void SAL_CALL removeStatusListener( const css::uno::Reference< css::frame::XStatusListener >& rListener, const css::util::URL& rURL ) override; + + // XStatusListener + void SAL_CALL statusChanged( const css::frame::FeatureStateEvent& rEvent ) override; + + // XEventListener + void SAL_CALL disposing( const css::lang::EventObject& rSource ) override; + +private: + OUString m_aStyleName, m_aCommand, m_aStatusCommand; + css::uno::Reference< css::util::XURLTransformer > m_xUrlTransformer; + css::uno::Reference< css::frame::XDispatchProvider > m_xFrame; + css::uno::Reference< css::frame::XDispatch > m_xStatusDispatch; + css::uno::Reference< css::frame::XStatusListener > m_xOwner; +}; + +class StyleToolbarController : public svt::ToolboxController +{ +public: + StyleToolbarController( const css::uno::Reference< css::uno::XComponentContext >& rContext, + const css::uno::Reference< css::frame::XFrame >& rFrame, + const OUString& rCommand ); + + // XUpdatable + void SAL_CALL update() override; + + // XStatusListener + void SAL_CALL statusChanged( const css::frame::FeatureStateEvent& rEvent ) override; + + // XComponent + void SAL_CALL dispose() override; +}; + +} + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */ |