/************************************************************************* * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * Copyright 2008 by Sun Microsystems, Inc. * * OpenOffice.org - a multi-platform office productivity suite * * $RCSfile: ocomponentaccess.hxx,v $ * $Revision: 1.6 $ * * This file is part of OpenOffice.org. * * OpenOffice.org is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License version 3 * only, as published by the Free Software Foundation. * * OpenOffice.org is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License version 3 for more details * (a copy is included in the LICENSE file that accompanied this code). * * You should have received a copy of the GNU Lesser General Public License * version 3 along with OpenOffice.org. If not, see * * for a copy of the LGPLv3 License. * ************************************************************************/ #ifndef __FRAMEWORK_HELPER_OCOMPONENTACCESS_HXX_ #define __FRAMEWORK_HELPER_OCOMPONENTACCESS_HXX_ //_________________________________________________________________________________________________________________ // my own includes //_________________________________________________________________________________________________________________ #include #include #include #include #include #include //_________________________________________________________________________________________________________________ // interface includes //_________________________________________________________________________________________________________________ #include #include #include #include #include #include //_________________________________________________________________________________________________________________ // other includes //_________________________________________________________________________________________________________________ #include #include //_________________________________________________________________________________________________________________ // namespace //_________________________________________________________________________________________________________________ namespace framework{ //_________________________________________________________________________________________________________________ // exported const //_________________________________________________________________________________________________________________ //_________________________________________________________________________________________________________________ // exported definitions //_________________________________________________________________________________________________________________ /*-************************************************************************************************************//** @short implement XEnumerationAccess interface as helper to create many oneway enumeration of components @descr We share mutex and framecontainer with ouer owner and have full access to his child tasks. (Ouer owner can be the Desktop only!) We create oneway enumerations on demand. These "lists" can be used for one time only. Step during the list from first to last element. (The type of created enumerations is OComponentEnumeration.) @implements XInterface XTypeProvider XEnumerationAccess XElementAccess @base ThreadHelpBase OWeakObject @devstatus ready to use *//*-*************************************************************************************************************/ class OComponentAccess : public css::lang::XTypeProvider , public css::container::XEnumerationAccess , // => XElementAccess private ThreadHelpBase , // Must be the first of baseclasses - Is neccessary for right initialization of objects! public ::cppu::OWeakObject { //------------------------------------------------------------------------------------------------------------- // public methods //------------------------------------------------------------------------------------------------------------- public: //--------------------------------------------------------------------------------------------------------- // constructor / destructor //--------------------------------------------------------------------------------------------------------- /*-****************************************************************************************************//** @short constructor to initialize this instance @descr A desktop will create an enumeration-access-object. An enumeration is a oneway-list and a snapshot of the components of current tasks under the desktop. But we need a instance to create more then one enumerations at different times! @seealso class Desktop @seealso class OComponentEnumeration @param "xOwner" is a reference to ouer owner and must be the desktop! @return - @onerror Do nothing and reset this object to default with an empty list. *//*-*****************************************************************************************************/ OComponentAccess( const css::uno::Reference< css::frame::XDesktop >& xOwner ); //--------------------------------------------------------------------------------------------------------- // XInterface //--------------------------------------------------------------------------------------------------------- FWK_DECLARE_XINTERFACE FWK_DECLARE_XTYPEPROVIDER //--------------------------------------------------------------------------------------------------------- // XEnumerationAccess //--------------------------------------------------------------------------------------------------------- /*-****************************************************************************************************//** @short create a new enumeration of components @descr You can call this method to get a new snapshot from all components of all tasks of the desktop as an enumeration. @seealso interface XEnumerationAccess @seealso interface XEnumeration @seealso class Desktop @param - @return If the desktop and some components exist => a valid reference to an enumeration
An NULL-reference, other way. @onerror - *//*-*****************************************************************************************************/ virtual css::uno::Reference< css::container::XEnumeration > SAL_CALL createEnumeration() throw( css::uno::RuntimeException ); //--------------------------------------------------------------------------------------------------------- // XElementAccess //--------------------------------------------------------------------------------------------------------- /*-****************************************************************************************************//** @short get the type of elements in enumeration @descr - @seealso interface XElementAccess @seealso class OComponentEnumeration @param - @return The uno-type XComponent. @onerror - *//*-*****************************************************************************************************/ virtual css::uno::Type SAL_CALL getElementType() throw( css::uno::RuntimeException ); /*-****************************************************************************************************//** @short get state of componentlist of enumeration. @descr - @seealso interface XElementAccess @param - @return sal_True ,if more then 0 elements exist. @return sal_False ,otherwise. @onerror - *//*-*****************************************************************************************************/ virtual sal_Bool SAL_CALL hasElements() throw( css::uno::RuntimeException ); //------------------------------------------------------------------------------------------------------------- // protected methods //------------------------------------------------------------------------------------------------------------- protected: /*-****************************************************************************************************//** @short standard destructor @descr This method destruct an instance of this class and clear some member. Don't use an instance of this class as normal member. Use it dynamicly with a pointer. We hold a weakreference to ouer owner and not to ouer superclass! Thats the reason for a protected dtor. @seealso class Desktop @param - @return - @onerror - *//*-*****************************************************************************************************/ virtual ~OComponentAccess(); //------------------------------------------------------------------------------------------------------------- // private methods //------------------------------------------------------------------------------------------------------------- private: /*-****************************************************************************************************//** @short recursive method (!) to collect all components of all frames from the subtree of given node @descr This is neccessary to create the enumeration. @seealso method createEnumeration @param "xNode" , root of subtree and start point of search @param "seqComponents", result list of search. We cant use a return value, we search recursive and must collect all informations. @return - @onerror - *//*-*****************************************************************************************************/ void impl_collectAllChildComponents( const css::uno::Reference< css::frame::XFramesSupplier >& xNode , css::uno::Sequence< css::uno::Reference< css::lang::XComponent > >& seqComponents ); /*-****************************************************************************************************//** @short get the component of a frame @descr The component of a frame can be the window, the controller or the model. @seealso method createEnumeration @param "xFrame", frame which contains the component @return A reference to the component of given frame. @onerror A null reference is returned. *//*-*****************************************************************************************************/ css::uno::Reference< css::lang::XComponent > impl_getFrameComponent( const css::uno::Reference< css::frame::XFrame >& xFrame ) const; //------------------------------------------------------------------------------------------------------------- // debug methods // (should be private everyway!) //------------------------------------------------------------------------------------------------------------- /*-****************************************************************************************************//** @short debug-method to check incoming parameter of some other mehods of this class @descr The following methods are used to check parameters for other methods of this class. The return value is used directly for an ASSERT(...). @seealso ASSERTs in implementation! @param references to checking variables @return sal_False ,on invalid parameter. @return sal_True ,otherwise @onerror - *//*-*****************************************************************************************************/ #ifdef ENABLE_ASSERTIONS private: static sal_Bool impldbg_checkParameter_OComponentAccessCtor( const css::uno::Reference< css::frame::XDesktop >& xOwner ); #endif // #ifdef ENABLE_ASSERTIONS //------------------------------------------------------------------------------------------------------------- // variables // (should be private everyway!) //------------------------------------------------------------------------------------------------------------- private: css::uno::WeakReference< css::frame::XDesktop > m_xOwner ; /// weak reference to the desktop object! }; // class OComponentAccess } // namespace framework #endif // #ifndef __FRAMEWORK_HELPER_OCOMPONENTACCESS_HXX_