| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
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| * distributed with this work for additional information |
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| * to you under the Apache License, Version 2.0 (the |
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| * http://www.apache.org/licenses/LICENSE-2.0 |
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| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
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| * KIND, either express or implied. See the License for the |
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| |
| #ifndef SDEXT_PRESENTER_PRESENTER_FRAMEWORK_OBSERVER_HXX |
| #define SDEXT_PRESENTER_PRESENTER_FRAMEWORK_OBSERVER_HXX |
| |
| #include <com/sun/star/drawing/framework/XConfigurationChangeListener.hpp> |
| #include <com/sun/star/drawing/framework/XConfigurationController.hpp> |
| #include <cppuhelper/basemutex.hxx> |
| #include <cppuhelper/compbase1.hxx> |
| #include <boost/function.hpp> |
| #include <boost/noncopyable.hpp> |
| |
| namespace css = ::com::sun::star; |
| |
| namespace sdext { namespace presenter { |
| |
| |
| typedef ::cppu::WeakComponentImplHelper1 < |
| ::com::sun::star::drawing::framework::XConfigurationChangeListener |
| > PresenterFrameworkObserverInterfaceBase; |
| |
| /** Watch the drawing framework for changes and run callbacks when a certain |
| change takes place. |
| */ |
| class PresenterFrameworkObserver |
| : private ::boost::noncopyable, |
| private ::cppu::BaseMutex, |
| public PresenterFrameworkObserverInterfaceBase |
| { |
| public: |
| typedef ::boost::function<bool(void)> Predicate; |
| typedef ::boost::function<void(bool)> Action; |
| |
| /** Register an action callback to be run when the specified resource is |
| activated. The action may be called synchronously when the resource |
| is already active or asynchronously when the resource is actived in |
| the future. |
| @param rxController |
| The controller gives access to the drawing framework. |
| @param rxResourceId |
| The id of the resource to watch for activation. |
| @param rAction |
| The callback that is called when the resource is activated. |
| */ |
| static void RunOnResourceActivation ( |
| const css::uno::Reference<css::drawing::framework::XConfigurationController>&rxController, |
| const css::uno::Reference<css::drawing::framework::XResourceId>& rxResourceId, |
| const Action& rAction); |
| static void RunOnUpdateEnd ( |
| const css::uno::Reference<css::drawing::framework::XConfigurationController>&rxController, |
| const Action& rAction); |
| |
| virtual void SAL_CALL disposing (void); |
| virtual void SAL_CALL disposing (const css::lang::EventObject& rEvent) |
| throw (css::uno::RuntimeException); |
| virtual void SAL_CALL notifyConfigurationChange ( |
| const css::drawing::framework::ConfigurationChangeEvent& rEvent) |
| throw (css::uno::RuntimeException); |
| |
| private: |
| ::rtl::OUString msEventType; |
| ::css::uno::Reference<css::drawing::framework::XConfigurationController> mxConfigurationController; |
| Predicate maPredicate; |
| Action maAction; |
| |
| /** Create a new PresenterFrameworkObserver object. |
| @param rsEventName |
| An event name other than ConfigurationUpdateEnd. When the |
| observer shall only listen for ConfigurationUpdateEnd then pass |
| an empty name. |
| @param rPredicate |
| This functor tests whether the action is to be executed or not. |
| @param rAction |
| The functor to execute when the predicate returns true, |
| e.g. when some resource has been created. |
| */ |
| PresenterFrameworkObserver ( |
| const css::uno::Reference<css::drawing::framework::XConfigurationController>&rxController, |
| const ::rtl::OUString& rsEventName, |
| const Predicate& rPredicate, |
| const Action& rAction); |
| virtual ~PresenterFrameworkObserver (void); |
| |
| void Shutdown (void); |
| |
| /** Predicate that returns true when the specified resource is active |
| with respect to the given configuration controller. |
| */ |
| static bool HasResource ( |
| const css::uno::Reference<css::drawing::framework::XConfigurationController>&rxController, |
| const css::uno::Reference<css::drawing::framework::XResourceId>& rxResourceId); |
| |
| /** Predicate that always returns true. |
| */ |
| static bool True (void); |
| |
| /** Predicate that always returns false. |
| */ |
| static bool False (void); |
| }; |
| |
| |
| } } // end of namespace ::sdext::presenter |
| |
| #endif |