haiku/headers/private/app/LooperList.h
ejakowatz ebbcbbca01 Implemented count_loopers()/windows() and looper/window_at(). Minor
changes to BLooperList to accomodate.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@568 a95241bf-73f2-0310-859d-f6bbb57e9c96
2002-08-03 23:18:14 +00:00

127 lines
3.5 KiB
C++

//------------------------------------------------------------------------------
// Copyright (c) 2001-2002, OpenBeOS
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// File Name: LooperList.h
// Author(s): Erik Jaesler (erik@cgsoftware.com)
// Description: Maintains a global list of all loopers in a given team.
//------------------------------------------------------------------------------
#ifndef LOOPERLIST_H
#define LOOPERLIST_H
// Standard Includes -----------------------------------------------------------
#include <vector>
// System Includes -------------------------------------------------------------
#include <Locker.h>
#include <OS.h>
#include <SupportDefs.h>
// Project Includes ------------------------------------------------------------
// Local Includes --------------------------------------------------------------
// Local Defines ---------------------------------------------------------------
// Globals ---------------------------------------------------------------------
class BLooper;
namespace BPrivate {
class BLooperList
{
public:
BLooperList();
bool Lock();
void Unlock();
bool IsLocked();
void AddLooper(BLooper* l);
bool IsLooperValid(const BLooper* l);
bool RemoveLooper(BLooper* l);
void GetLooperList(BList* list);
int32 CountLoopers();
BLooper* LooperAt(int32 index);
BLooper* LooperForThread(thread_id tid);
BLooper* LooperForName(const char* name);
BLooper* LooperForPort(port_id port);
private:
struct LooperData
{
LooperData();
LooperData(BLooper* loop, uint32 i);
LooperData(const LooperData& rhs);
LooperData& operator=(const LooperData& rhs);
BLooper* looper;
uint32 id;
};
static bool EmptySlotPred(LooperData& Data);
struct FindLooperPred
{
FindLooperPred(const BLooper* loop) : looper(loop) {;}
bool operator()(LooperData& Data);
const BLooper* looper;
};
struct FindThreadPred
{
FindThreadPred(thread_id tid) : thread(tid) {;}
bool operator()(LooperData& Data);
thread_id thread;
};
struct FindNamePred
{
FindNamePred(const char* n) : name(n) {;}
bool operator()(LooperData& Data);
const char* name;
};
struct FindPortPred
{
FindPortPred(port_id pid) : port(pid) {;}
bool operator()(LooperData& Data);
port_id port;
};
void AssertLocked();
BLocker fLock;
uint32 fLooperID;
std::vector<LooperData> fData;
};
extern _IMPEXP_BE BLooperList gLooperList;
}
#endif //LOOPERLIST_H
/*
* $Log $
*
* $Id $
*
*/