64 lines
1.4 KiB
C
64 lines
1.4 KiB
C
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/*
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* Copyright 2004 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_BASE_TASKPARENT_H__
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#define WEBRTC_BASE_TASKPARENT_H__
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#include <memory>
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#include <set>
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#include "webrtc/base/basictypes.h"
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#include "webrtc/base/constructormagic.h"
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namespace rtc {
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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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#if !defined(NDEBUG)
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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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std::unique_ptr<ChildSet> children_;
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RTC_DISALLOW_COPY_AND_ASSIGN(TaskParent);
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};
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} // namespace rtc
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#endif // WEBRTC_BASE_TASKPARENT_H__
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