1*f6e50924SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*f6e50924SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*f6e50924SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*f6e50924SAndrew Rist * distributed with this work for additional information 6*f6e50924SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*f6e50924SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*f6e50924SAndrew Rist * "License"); you may not use this file except in compliance 9*f6e50924SAndrew Rist * with the License. You may obtain a copy of the License at 10*f6e50924SAndrew Rist * 11*f6e50924SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*f6e50924SAndrew Rist * 13*f6e50924SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*f6e50924SAndrew Rist * software distributed under the License is distributed on an 15*f6e50924SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*f6e50924SAndrew Rist * KIND, either express or implied. See the License for the 17*f6e50924SAndrew Rist * specific language governing permissions and limitations 18*f6e50924SAndrew Rist * under the License. 19*f6e50924SAndrew Rist * 20*f6e50924SAndrew Rist *************************************************************/ 21*f6e50924SAndrew Rist 22*f6e50924SAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 25cdf0e10cSrcweir #include "precompiled_svx.hxx" 26cdf0e10cSrcweir #include <svx/sdr/event/eventhandler.hxx> 27cdf0e10cSrcweir 28cdf0e10cSrcweir // for SOLARIS compiler include of algorithm part of _STL is necesary to 29cdf0e10cSrcweir // get access to basic algos like ::std::find 30cdf0e10cSrcweir #include <algorithm> 31cdf0e10cSrcweir #include <tools/debug.hxx> 32cdf0e10cSrcweir 33cdf0e10cSrcweir ////////////////////////////////////////////////////////////////////////////// 34cdf0e10cSrcweir 35cdf0e10cSrcweir namespace sdr 36cdf0e10cSrcweir { 37cdf0e10cSrcweir namespace event 38cdf0e10cSrcweir { 39cdf0e10cSrcweir BaseEvent::BaseEvent(EventHandler& rEventHandler) 40cdf0e10cSrcweir : mrEventHandler(rEventHandler) 41cdf0e10cSrcweir { 42cdf0e10cSrcweir mrEventHandler.AddEvent(*this); 43cdf0e10cSrcweir } 44cdf0e10cSrcweir 45cdf0e10cSrcweir BaseEvent::~BaseEvent() 46cdf0e10cSrcweir { 47cdf0e10cSrcweir mrEventHandler.RemoveEvent(*this); 48cdf0e10cSrcweir } 49cdf0e10cSrcweir } // end of namespace mixer 50cdf0e10cSrcweir } // end of namespace sdr 51cdf0e10cSrcweir 52cdf0e10cSrcweir ////////////////////////////////////////////////////////////////////////////// 53cdf0e10cSrcweir 54cdf0e10cSrcweir namespace sdr 55cdf0e10cSrcweir { 56cdf0e10cSrcweir namespace event 57cdf0e10cSrcweir { 58cdf0e10cSrcweir void EventHandler::AddEvent(BaseEvent& rBaseEvent) 59cdf0e10cSrcweir { 60cdf0e10cSrcweir maVector.push_back(&rBaseEvent); 61cdf0e10cSrcweir } 62cdf0e10cSrcweir 63cdf0e10cSrcweir void EventHandler::RemoveEvent(BaseEvent& rBaseEvent) 64cdf0e10cSrcweir { 65cdf0e10cSrcweir if(maVector.back() == &rBaseEvent) 66cdf0e10cSrcweir { 67cdf0e10cSrcweir // the one to remove is the last, pop 68cdf0e10cSrcweir maVector.pop_back(); 69cdf0e10cSrcweir } 70cdf0e10cSrcweir else 71cdf0e10cSrcweir { 72cdf0e10cSrcweir const BaseEventVector::iterator aFindResult = ::std::find( 73cdf0e10cSrcweir maVector.begin(), maVector.end(), &rBaseEvent); 74cdf0e10cSrcweir DBG_ASSERT(aFindResult != maVector.end(), 75cdf0e10cSrcweir "EventHandler::RemoveEvent: Event to be removed not found (!)"); 76cdf0e10cSrcweir maVector.erase(aFindResult); 77cdf0e10cSrcweir } 78cdf0e10cSrcweir } 79cdf0e10cSrcweir 80cdf0e10cSrcweir BaseEvent* EventHandler::GetEvent() 81cdf0e10cSrcweir { 82cdf0e10cSrcweir if(!maVector.empty()) 83cdf0e10cSrcweir { 84cdf0e10cSrcweir // get the last event, that one is fastest to be removed 85cdf0e10cSrcweir return maVector.back(); 86cdf0e10cSrcweir } 87cdf0e10cSrcweir else 88cdf0e10cSrcweir { 89cdf0e10cSrcweir return 0L; 90cdf0e10cSrcweir } 91cdf0e10cSrcweir } 92cdf0e10cSrcweir 93cdf0e10cSrcweir EventHandler::EventHandler() 94cdf0e10cSrcweir { 95cdf0e10cSrcweir } 96cdf0e10cSrcweir 97cdf0e10cSrcweir EventHandler::~EventHandler() 98cdf0e10cSrcweir { 99cdf0e10cSrcweir while(!maVector.empty()) 100cdf0e10cSrcweir { 101cdf0e10cSrcweir delete GetEvent(); 102cdf0e10cSrcweir } 103cdf0e10cSrcweir } 104cdf0e10cSrcweir 105cdf0e10cSrcweir // Trigger and consume the events 106cdf0e10cSrcweir void EventHandler::ExecuteEvents() 107cdf0e10cSrcweir { 108cdf0e10cSrcweir for(;;) 109cdf0e10cSrcweir { 110cdf0e10cSrcweir BaseEvent* pEvent = GetEvent(); 111cdf0e10cSrcweir if(pEvent == NULL) 112cdf0e10cSrcweir break; 113cdf0e10cSrcweir pEvent->ExecuteEvent(); 114cdf0e10cSrcweir delete pEvent; 115cdf0e10cSrcweir } 116cdf0e10cSrcweir } 117cdf0e10cSrcweir 118cdf0e10cSrcweir // for control 119cdf0e10cSrcweir sal_Bool EventHandler::IsEmpty() const 120cdf0e10cSrcweir { 121cdf0e10cSrcweir return (0L == maVector.size()); 122cdf0e10cSrcweir } 123cdf0e10cSrcweir } // end of namespace mixer 124cdf0e10cSrcweir } // end of namespace sdr 125cdf0e10cSrcweir 126cdf0e10cSrcweir ////////////////////////////////////////////////////////////////////////////// 127cdf0e10cSrcweir 128cdf0e10cSrcweir namespace sdr 129cdf0e10cSrcweir { 130cdf0e10cSrcweir namespace event 131cdf0e10cSrcweir { 132cdf0e10cSrcweir TimerEventHandler::TimerEventHandler(sal_uInt32 nTimeout) 133cdf0e10cSrcweir { 134cdf0e10cSrcweir SetTimeout(nTimeout); 135cdf0e10cSrcweir Stop(); 136cdf0e10cSrcweir } 137cdf0e10cSrcweir 138cdf0e10cSrcweir TimerEventHandler::~TimerEventHandler() 139cdf0e10cSrcweir { 140cdf0e10cSrcweir Stop(); 141cdf0e10cSrcweir } 142cdf0e10cSrcweir 143cdf0e10cSrcweir // The timer when it is triggered; from class Timer 144cdf0e10cSrcweir void TimerEventHandler::Timeout() 145cdf0e10cSrcweir { 146cdf0e10cSrcweir ExecuteEvents(); 147cdf0e10cSrcweir } 148cdf0e10cSrcweir 149cdf0e10cSrcweir // reset the timer 150cdf0e10cSrcweir void TimerEventHandler::Restart() 151cdf0e10cSrcweir { 152cdf0e10cSrcweir Start(); 153cdf0e10cSrcweir } 154cdf0e10cSrcweir } // end of namespace mixer 155cdf0e10cSrcweir } // end of namespace sdr 156cdf0e10cSrcweir 157cdf0e10cSrcweir ////////////////////////////////////////////////////////////////////////////// 158cdf0e10cSrcweir // eof 159