1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir #ifndef __FRAMEWORK_HELPER_OTASKSACCESS_HXX_ 29*cdf0e10cSrcweir #define __FRAMEWORK_HELPER_OTASKSACCESS_HXX_ 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir //_________________________________________________________________________________________________________________ 32*cdf0e10cSrcweir // my own includes 33*cdf0e10cSrcweir //_________________________________________________________________________________________________________________ 34*cdf0e10cSrcweir 35*cdf0e10cSrcweir #include <classes/framecontainer.hxx> 36*cdf0e10cSrcweir #include <threadhelp/threadhelpbase.hxx> 37*cdf0e10cSrcweir #include <macros/generic.hxx> 38*cdf0e10cSrcweir #include <macros/xinterface.hxx> 39*cdf0e10cSrcweir #include <macros/xtypeprovider.hxx> 40*cdf0e10cSrcweir #include <macros/debug.hxx> 41*cdf0e10cSrcweir 42*cdf0e10cSrcweir //_________________________________________________________________________________________________________________ 43*cdf0e10cSrcweir // interface includes 44*cdf0e10cSrcweir //_________________________________________________________________________________________________________________ 45*cdf0e10cSrcweir #include <com/sun/star/container/XEnumerationAccess.hpp> 46*cdf0e10cSrcweir #include <com/sun/star/container/XElementAccess.hpp> 47*cdf0e10cSrcweir #include <com/sun/star/container/XEnumeration.hpp> 48*cdf0e10cSrcweir #include <com/sun/star/frame/XDesktop.hpp> 49*cdf0e10cSrcweir 50*cdf0e10cSrcweir //_________________________________________________________________________________________________________________ 51*cdf0e10cSrcweir // other includes 52*cdf0e10cSrcweir //_________________________________________________________________________________________________________________ 53*cdf0e10cSrcweir #include <cppuhelper/weak.hxx> 54*cdf0e10cSrcweir #include <cppuhelper/weakref.hxx> 55*cdf0e10cSrcweir 56*cdf0e10cSrcweir //_________________________________________________________________________________________________________________ 57*cdf0e10cSrcweir // namespace 58*cdf0e10cSrcweir //_________________________________________________________________________________________________________________ 59*cdf0e10cSrcweir 60*cdf0e10cSrcweir namespace framework{ 61*cdf0e10cSrcweir 62*cdf0e10cSrcweir //_________________________________________________________________________________________________________________ 63*cdf0e10cSrcweir // exported const 64*cdf0e10cSrcweir //_________________________________________________________________________________________________________________ 65*cdf0e10cSrcweir 66*cdf0e10cSrcweir //_________________________________________________________________________________________________________________ 67*cdf0e10cSrcweir // exported definitions 68*cdf0e10cSrcweir //_________________________________________________________________________________________________________________ 69*cdf0e10cSrcweir 70*cdf0e10cSrcweir /*-************************************************************************************************************//** 71*cdf0e10cSrcweir @short implement XEnumerationAccess interface as helper to create many oneway enumeration of tasks 72*cdf0e10cSrcweir @descr We share mutex and framecontainer with ouer owner and have full access to his child tasks. 73*cdf0e10cSrcweir (Ouer owner can be the Desktop only!) We create oneway enumerations on demand. These "lists" 74*cdf0e10cSrcweir can be used for one time only. Step during the list from first to last element. 75*cdf0e10cSrcweir (The type of created enumerations is OTasksEnumeration.) 76*cdf0e10cSrcweir 77*cdf0e10cSrcweir @implements XInterface 78*cdf0e10cSrcweir XEnumerationAccess 79*cdf0e10cSrcweir XElementAccess 80*cdf0e10cSrcweir 81*cdf0e10cSrcweir @base OWeakObject 82*cdf0e10cSrcweir 83*cdf0e10cSrcweir @devstatus deprecated 84*cdf0e10cSrcweir *//*-*************************************************************************************************************/ 85*cdf0e10cSrcweir 86*cdf0e10cSrcweir class OTasksAccess : public css::lang::XTypeProvider , 87*cdf0e10cSrcweir public css::container::XEnumerationAccess , // => XElementAccess 88*cdf0e10cSrcweir private ThreadHelpBase , 89*cdf0e10cSrcweir public ::cppu::OWeakObject 90*cdf0e10cSrcweir { 91*cdf0e10cSrcweir //------------------------------------------------------------------------------------------------------------- 92*cdf0e10cSrcweir // public methods 93*cdf0e10cSrcweir //------------------------------------------------------------------------------------------------------------- 94*cdf0e10cSrcweir 95*cdf0e10cSrcweir public: 96*cdf0e10cSrcweir 97*cdf0e10cSrcweir //--------------------------------------------------------------------------------------------------------- 98*cdf0e10cSrcweir // constructor / destructor 99*cdf0e10cSrcweir //--------------------------------------------------------------------------------------------------------- 100*cdf0e10cSrcweir 101*cdf0e10cSrcweir /*-****************************************************************************************************//** 102*cdf0e10cSrcweir @short constructor to initialize this instance 103*cdf0e10cSrcweir @descr A desktop will create an enumeration-access-object. An enumeration is a oneway-list and a 104*cdf0e10cSrcweir snapshot of the tasklist of current tasks of desktop. 105*cdf0e10cSrcweir But we need a instance to create more then one enumerations to the same tasklist! 106*cdf0e10cSrcweir 107*cdf0e10cSrcweir @seealso class Desktop 108*cdf0e10cSrcweir @seealso class OTasksEnumeration 109*cdf0e10cSrcweir 110*cdf0e10cSrcweir @param "xOwner" is a reference to ouer owner and must be the desktop! 111*cdf0e10cSrcweir @param "pTasks" is a pointer to the taskcontainer of the desktop. We need it to create a new enumeration. 112*cdf0e10cSrcweir @return - 113*cdf0e10cSrcweir 114*cdf0e10cSrcweir @onerror Do nothing and reset this object to default with an empty list. 115*cdf0e10cSrcweir *//*-*****************************************************************************************************/ 116*cdf0e10cSrcweir 117*cdf0e10cSrcweir OTasksAccess( const css::uno::Reference< css::frame::XDesktop >& xOwner , 118*cdf0e10cSrcweir FrameContainer* pTasks ); 119*cdf0e10cSrcweir 120*cdf0e10cSrcweir //--------------------------------------------------------------------------------------------------------- 121*cdf0e10cSrcweir // XInterface 122*cdf0e10cSrcweir //--------------------------------------------------------------------------------------------------------- 123*cdf0e10cSrcweir 124*cdf0e10cSrcweir DECLARE_XINTERFACE 125*cdf0e10cSrcweir DECLARE_XTYPEPROVIDER 126*cdf0e10cSrcweir 127*cdf0e10cSrcweir //--------------------------------------------------------------------------------------------------------- 128*cdf0e10cSrcweir // XEnumerationAccess 129*cdf0e10cSrcweir //--------------------------------------------------------------------------------------------------------- 130*cdf0e10cSrcweir 131*cdf0e10cSrcweir /*-****************************************************************************************************//** 132*cdf0e10cSrcweir @short create a new enumeration of tasks 133*cdf0e10cSrcweir @descr You can call this method to get a new snapshot to all tasks of the desktop as an enumeration. 134*cdf0e10cSrcweir 135*cdf0e10cSrcweir @seealso interface XEnumerationAccess 136*cdf0e10cSrcweir @seealso interface XEnumeration 137*cdf0e10cSrcweir @seealso class Desktop 138*cdf0e10cSrcweir 139*cdf0e10cSrcweir @param - 140*cdf0e10cSrcweir @return If the desktop and some tasks exist => a valid reference to an enumeration<BR> 141*cdf0e10cSrcweir An NULL-reference, other way. 142*cdf0e10cSrcweir 143*cdf0e10cSrcweir @onerror - 144*cdf0e10cSrcweir *//*-*****************************************************************************************************/ 145*cdf0e10cSrcweir 146*cdf0e10cSrcweir virtual css::uno::Reference< css::container::XEnumeration > SAL_CALL createEnumeration() throw( css::uno::RuntimeException ); 147*cdf0e10cSrcweir 148*cdf0e10cSrcweir //--------------------------------------------------------------------------------------------------------- 149*cdf0e10cSrcweir // XElementAccess 150*cdf0e10cSrcweir //--------------------------------------------------------------------------------------------------------- 151*cdf0e10cSrcweir 152*cdf0e10cSrcweir /*-****************************************************************************************************//** 153*cdf0e10cSrcweir @short get the type of elements in enumeration 154*cdf0e10cSrcweir @descr - 155*cdf0e10cSrcweir 156*cdf0e10cSrcweir @seealso interface XElementAccess 157*cdf0e10cSrcweir @seealso class TasksEnumeration 158*cdf0e10cSrcweir 159*cdf0e10cSrcweir @param - 160*cdf0e10cSrcweir @return The uno-type XTask. 161*cdf0e10cSrcweir 162*cdf0e10cSrcweir @onerror - 163*cdf0e10cSrcweir *//*-*****************************************************************************************************/ 164*cdf0e10cSrcweir 165*cdf0e10cSrcweir virtual css::uno::Type SAL_CALL getElementType() throw( css::uno::RuntimeException ); 166*cdf0e10cSrcweir 167*cdf0e10cSrcweir /*-****************************************************************************************************//** 168*cdf0e10cSrcweir @short get state of tasklist of enumeration. 169*cdf0e10cSrcweir @descr - 170*cdf0e10cSrcweir 171*cdf0e10cSrcweir @seealso interface XElementAccess 172*cdf0e10cSrcweir 173*cdf0e10cSrcweir @param - 174*cdf0e10cSrcweir @return sal_True ,if more then 0 elements exist. 175*cdf0e10cSrcweir @return sal_False ,otherwise. 176*cdf0e10cSrcweir 177*cdf0e10cSrcweir @onerror - 178*cdf0e10cSrcweir *//*-*****************************************************************************************************/ 179*cdf0e10cSrcweir 180*cdf0e10cSrcweir virtual sal_Bool SAL_CALL hasElements() throw( css::uno::RuntimeException ); 181*cdf0e10cSrcweir 182*cdf0e10cSrcweir //------------------------------------------------------------------------------------------------------------- 183*cdf0e10cSrcweir // protected methods 184*cdf0e10cSrcweir //------------------------------------------------------------------------------------------------------------- 185*cdf0e10cSrcweir 186*cdf0e10cSrcweir protected: 187*cdf0e10cSrcweir 188*cdf0e10cSrcweir /*-****************************************************************************************************//** 189*cdf0e10cSrcweir @short standard destructor 190*cdf0e10cSrcweir @descr This method destruct an instance of this class and clear some member. 191*cdf0e10cSrcweir Don't use an instance of this class as normal member. Use it dynamicly with a pointer. 192*cdf0e10cSrcweir We hold a weakreference to ouer owner and not to ouer superclass! 193*cdf0e10cSrcweir Thats the reason for a protected dtor. 194*cdf0e10cSrcweir 195*cdf0e10cSrcweir @seealso class Desktop 196*cdf0e10cSrcweir 197*cdf0e10cSrcweir @param - 198*cdf0e10cSrcweir @return - 199*cdf0e10cSrcweir 200*cdf0e10cSrcweir @onerror - 201*cdf0e10cSrcweir *//*-*****************************************************************************************************/ 202*cdf0e10cSrcweir 203*cdf0e10cSrcweir virtual ~OTasksAccess(); 204*cdf0e10cSrcweir 205*cdf0e10cSrcweir //------------------------------------------------------------------------------------------------------------- 206*cdf0e10cSrcweir // private methods 207*cdf0e10cSrcweir //------------------------------------------------------------------------------------------------------------- 208*cdf0e10cSrcweir 209*cdf0e10cSrcweir private: 210*cdf0e10cSrcweir 211*cdf0e10cSrcweir //------------------------------------------------------------------------------------------------------------- 212*cdf0e10cSrcweir // debug methods 213*cdf0e10cSrcweir // (should be private everyway!) 214*cdf0e10cSrcweir //------------------------------------------------------------------------------------------------------------- 215*cdf0e10cSrcweir 216*cdf0e10cSrcweir /*-****************************************************************************************************//** 217*cdf0e10cSrcweir @short debug-method to check incoming parameter of some other mehods of this class 218*cdf0e10cSrcweir @descr The following methods are used to check parameters for other methods 219*cdf0e10cSrcweir of this class. The return value is used directly for an ASSERT(...). 220*cdf0e10cSrcweir 221*cdf0e10cSrcweir @seealso ASSERTs in implementation! 222*cdf0e10cSrcweir 223*cdf0e10cSrcweir @param references to checking variables 224*cdf0e10cSrcweir @return sal_False ,on invalid parameter. 225*cdf0e10cSrcweir @return sal_True ,otherwise 226*cdf0e10cSrcweir 227*cdf0e10cSrcweir @onerror - 228*cdf0e10cSrcweir *//*-*****************************************************************************************************/ 229*cdf0e10cSrcweir 230*cdf0e10cSrcweir #ifdef ENABLE_ASSERTIONS 231*cdf0e10cSrcweir 232*cdf0e10cSrcweir private: 233*cdf0e10cSrcweir 234*cdf0e10cSrcweir static sal_Bool impldbg_checkParameter_OTasksAccessCtor( const css::uno::Reference< css::frame::XDesktop >& xOwner , 235*cdf0e10cSrcweir FrameContainer* pTasks ); 236*cdf0e10cSrcweir 237*cdf0e10cSrcweir #endif // #ifdef ENABLE_ASSERTIONS 238*cdf0e10cSrcweir 239*cdf0e10cSrcweir //------------------------------------------------------------------------------------------------------------- 240*cdf0e10cSrcweir // variables 241*cdf0e10cSrcweir // (should be private everyway!) 242*cdf0e10cSrcweir //------------------------------------------------------------------------------------------------------------- 243*cdf0e10cSrcweir 244*cdf0e10cSrcweir private: 245*cdf0e10cSrcweir 246*cdf0e10cSrcweir css::uno::WeakReference< css::frame::XDesktop > m_xOwner ; /// weak reference to the desktop object! 247*cdf0e10cSrcweir FrameContainer* m_pTasks ; /// pointer to list of current tasks on desktop (is a member of class Desktop!) 248*cdf0e10cSrcweir /// This pointer is valid only, if weakreference can be locked. 249*cdf0e10cSrcweir 250*cdf0e10cSrcweir }; // class OTasksAccess 251*cdf0e10cSrcweir 252*cdf0e10cSrcweir } // namespace framework 253*cdf0e10cSrcweir 254*cdf0e10cSrcweir #endif // #ifndef __FRAMEWORK_HELPER_OTASKSACCESS_HXX_ 255