44c3726b9d
registrar side message runner support. git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1498 a95241bf-73f2-0310-859d-f6bbb57e9c96
84 lines
2.6 KiB
C++
84 lines
2.6 KiB
C++
//------------------------------------------------------------------------------
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// Copyright (c) 2001-2002, OpenBeOS
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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// File Name: MessageRunnerManager.h
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// Author: Ingo Weinhold (bonefish@users.sf.net)
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// Description: Manages the registrar side "shadows" of BMessageRunners.
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//------------------------------------------------------------------------------
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#ifndef MESSAGE_RUNNER_MANAGER_H
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#define MESSAGE_RUNNER_MANAGER_H
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#include <List.h>
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#include <Locker.h>
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class BMessage;
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class EventQueue;
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class MessageRunnerManager {
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public:
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MessageRunnerManager(EventQueue *eventQueue);
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virtual ~MessageRunnerManager();
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void HandleRegisterRunner(BMessage *request);
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void HandleUnregisterRunner(BMessage *request);
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void HandleSetRunnerParams(BMessage *request);
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void HandleGetRunnerInfo(BMessage *request);
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bool Lock();
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void Unlock();
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private:
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class RunnerEvent;
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struct RunnerInfo;
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friend class RunnerEvent;
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private:
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bool _AddInfo(RunnerInfo *info);
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bool _RemoveInfo(RunnerInfo *info);
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RunnerInfo *_RemoveInfo(int32 index);
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RunnerInfo *_RemoveInfoWithToken(int32 token);
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bool _DeleteInfo(RunnerInfo *info, bool eventRemoved);
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int32 _CountInfos() const;
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RunnerInfo *_InfoAt(int32 index) const;
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RunnerInfo *_InfoForToken(int32 token) const;
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bool _HasInfo(RunnerInfo *info) const;
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int32 _IndexOf(RunnerInfo *info) const;
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int32 _IndexOfToken(int32 token) const;
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bool _DoEvent(RunnerInfo *info);
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bool _ScheduleEvent(RunnerInfo *info);
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int32 _NextToken();
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private:
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BList fRunnerInfos;
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BLocker fLock;
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EventQueue *fEventQueue;
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int32 fNextToken;
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};
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#endif // MESSAGE_RUNNER_MANAGER_H
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