28e2075280
trunk/talk git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
80 lines
2.5 KiB
C++
80 lines
2.5 KiB
C++
/*
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* libjingle
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* Copyright 2004--2006, Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TALK_BASE_TASKPARENT_H__
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#define TALK_BASE_TASKPARENT_H__
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#include <set>
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#include "talk/base/basictypes.h"
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#include "talk/base/scoped_ptr.h"
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namespace talk_base {
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class Task;
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class TaskRunner;
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class TaskParent {
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public:
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TaskParent(Task *derived_instance, TaskParent *parent);
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explicit TaskParent(TaskRunner *derived_instance);
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virtual ~TaskParent() { }
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TaskParent *GetParent() { return parent_; }
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TaskRunner *GetRunner() { return runner_; }
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bool AllChildrenDone();
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bool AnyChildError();
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#ifdef _DEBUG
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bool IsChildTask(Task *task);
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#endif
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protected:
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void OnStopped(Task *task);
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void AbortAllChildren();
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TaskParent *parent() {
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return parent_;
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}
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private:
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void Initialize();
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void OnChildStopped(Task *child);
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void AddChild(Task *child);
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TaskParent *parent_;
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TaskRunner *runner_;
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bool child_error_;
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typedef std::set<Task *> ChildSet;
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scoped_ptr<ChildSet> children_;
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DISALLOW_EVIL_CONSTRUCTORS(TaskParent);
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};
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} // namespace talk_base
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#endif // TALK_BASE_TASKPARENT_H__
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