1*06bcd5d2SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*06bcd5d2SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*06bcd5d2SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*06bcd5d2SAndrew Rist * distributed with this work for additional information 6*06bcd5d2SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*06bcd5d2SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*06bcd5d2SAndrew Rist * "License"); you may not use this file except in compliance 9*06bcd5d2SAndrew Rist * with the License. You may obtain a copy of the License at 10*06bcd5d2SAndrew Rist * 11*06bcd5d2SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*06bcd5d2SAndrew Rist * 13*06bcd5d2SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*06bcd5d2SAndrew Rist * software distributed under the License is distributed on an 15*06bcd5d2SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*06bcd5d2SAndrew Rist * KIND, either express or implied. See the License for the 17*06bcd5d2SAndrew Rist * specific language governing permissions and limitations 18*06bcd5d2SAndrew Rist * under the License. 19*06bcd5d2SAndrew Rist * 20*06bcd5d2SAndrew Rist *************************************************************/ 21*06bcd5d2SAndrew Rist 22*06bcd5d2SAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir #ifndef SDEXT_PRESENTER_PRESENTER_FRAMEWORK_OBSERVER_HXX 25cdf0e10cSrcweir #define SDEXT_PRESENTER_PRESENTER_FRAMEWORK_OBSERVER_HXX 26cdf0e10cSrcweir 27cdf0e10cSrcweir #include <com/sun/star/drawing/framework/XConfigurationChangeListener.hpp> 28cdf0e10cSrcweir #include <com/sun/star/drawing/framework/XConfigurationController.hpp> 29cdf0e10cSrcweir #include <cppuhelper/basemutex.hxx> 30cdf0e10cSrcweir #include <cppuhelper/compbase1.hxx> 31cdf0e10cSrcweir #include <boost/function.hpp> 32cdf0e10cSrcweir #include <boost/noncopyable.hpp> 33cdf0e10cSrcweir 34cdf0e10cSrcweir namespace css = ::com::sun::star; 35cdf0e10cSrcweir 36cdf0e10cSrcweir namespace sdext { namespace presenter { 37cdf0e10cSrcweir 38cdf0e10cSrcweir 39cdf0e10cSrcweir typedef ::cppu::WeakComponentImplHelper1 < 40cdf0e10cSrcweir ::com::sun::star::drawing::framework::XConfigurationChangeListener 41cdf0e10cSrcweir > PresenterFrameworkObserverInterfaceBase; 42cdf0e10cSrcweir 43cdf0e10cSrcweir /** Watch the drawing framework for changes and run callbacks when a certain 44cdf0e10cSrcweir change takes place. 45cdf0e10cSrcweir */ 46cdf0e10cSrcweir class PresenterFrameworkObserver 47cdf0e10cSrcweir : private ::boost::noncopyable, 48cdf0e10cSrcweir private ::cppu::BaseMutex, 49cdf0e10cSrcweir public PresenterFrameworkObserverInterfaceBase 50cdf0e10cSrcweir { 51cdf0e10cSrcweir public: 52cdf0e10cSrcweir typedef ::boost::function<bool(void)> Predicate; 53cdf0e10cSrcweir typedef ::boost::function<void(bool)> Action; 54cdf0e10cSrcweir 55cdf0e10cSrcweir /** Register an action callback to be run when the specified resource is 56cdf0e10cSrcweir activated. The action may be called synchronously when the resource 57cdf0e10cSrcweir is already active or asynchronously when the resource is actived in 58cdf0e10cSrcweir the future. 59cdf0e10cSrcweir @param rxController 60cdf0e10cSrcweir The controller gives access to the drawing framework. 61cdf0e10cSrcweir @param rxResourceId 62cdf0e10cSrcweir The id of the resource to watch for activation. 63cdf0e10cSrcweir @param rAction 64cdf0e10cSrcweir The callback that is called when the resource is activated. 65cdf0e10cSrcweir */ 66cdf0e10cSrcweir static void RunOnResourceActivation ( 67cdf0e10cSrcweir const css::uno::Reference<css::drawing::framework::XConfigurationController>&rxController, 68cdf0e10cSrcweir const css::uno::Reference<css::drawing::framework::XResourceId>& rxResourceId, 69cdf0e10cSrcweir const Action& rAction); 70cdf0e10cSrcweir static void RunOnUpdateEnd ( 71cdf0e10cSrcweir const css::uno::Reference<css::drawing::framework::XConfigurationController>&rxController, 72cdf0e10cSrcweir const Action& rAction); 73cdf0e10cSrcweir 74cdf0e10cSrcweir virtual void SAL_CALL disposing (void); 75cdf0e10cSrcweir virtual void SAL_CALL disposing (const css::lang::EventObject& rEvent) 76cdf0e10cSrcweir throw (css::uno::RuntimeException); 77cdf0e10cSrcweir virtual void SAL_CALL notifyConfigurationChange ( 78cdf0e10cSrcweir const css::drawing::framework::ConfigurationChangeEvent& rEvent) 79cdf0e10cSrcweir throw (css::uno::RuntimeException); 80cdf0e10cSrcweir 81cdf0e10cSrcweir private: 82cdf0e10cSrcweir ::rtl::OUString msEventType; 83cdf0e10cSrcweir ::css::uno::Reference<css::drawing::framework::XConfigurationController> mxConfigurationController; 84cdf0e10cSrcweir Predicate maPredicate; 85cdf0e10cSrcweir Action maAction; 86cdf0e10cSrcweir 87cdf0e10cSrcweir /** Create a new PresenterFrameworkObserver object. 88cdf0e10cSrcweir @param rsEventName 89cdf0e10cSrcweir An event name other than ConfigurationUpdateEnd. When the 90cdf0e10cSrcweir observer shall only listen for ConfigurationUpdateEnd then pass 91cdf0e10cSrcweir an empty name. 92cdf0e10cSrcweir @param rPredicate 93cdf0e10cSrcweir This functor tests whether the action is to be executed or not. 94cdf0e10cSrcweir @param rAction 95cdf0e10cSrcweir The functor to execute when the predicate returns true, 96cdf0e10cSrcweir e.g. when some resource has been created. 97cdf0e10cSrcweir */ 98cdf0e10cSrcweir PresenterFrameworkObserver ( 99cdf0e10cSrcweir const css::uno::Reference<css::drawing::framework::XConfigurationController>&rxController, 100cdf0e10cSrcweir const ::rtl::OUString& rsEventName, 101cdf0e10cSrcweir const Predicate& rPredicate, 102cdf0e10cSrcweir const Action& rAction); 103cdf0e10cSrcweir virtual ~PresenterFrameworkObserver (void); 104cdf0e10cSrcweir 105cdf0e10cSrcweir void Shutdown (void); 106cdf0e10cSrcweir 107cdf0e10cSrcweir /** Predicate that returns true when the specified resource is active 108cdf0e10cSrcweir with respect to the given configuration controller. 109cdf0e10cSrcweir */ 110cdf0e10cSrcweir static bool HasResource ( 111cdf0e10cSrcweir const css::uno::Reference<css::drawing::framework::XConfigurationController>&rxController, 112cdf0e10cSrcweir const css::uno::Reference<css::drawing::framework::XResourceId>& rxResourceId); 113cdf0e10cSrcweir 114cdf0e10cSrcweir /** Predicate that always returns true. 115cdf0e10cSrcweir */ 116cdf0e10cSrcweir static bool True (void); 117cdf0e10cSrcweir 118cdf0e10cSrcweir /** Predicate that always returns false. 119cdf0e10cSrcweir */ 120cdf0e10cSrcweir static bool False (void); 121cdf0e10cSrcweir }; 122cdf0e10cSrcweir 123cdf0e10cSrcweir 124cdf0e10cSrcweir } } // end of namespace ::sdext::presenter 125cdf0e10cSrcweir 126cdf0e10cSrcweir #endif 127