blob: 482b2a674fef24f4425e570d5d7288e271a68ff1 [file] [log] [blame]
henrike@webrtc.orgf0488722014-05-13 18:00:261/*
2 * Copyright 2004 The WebRTC Project Authors. All rights reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11#ifndef WEBRTC_BASE_TASKPARENT_H__
12#define WEBRTC_BASE_TASKPARENT_H__
13
14#include <set>
15
16#include "webrtc/base/basictypes.h"
17#include "webrtc/base/scoped_ptr.h"
18
19namespace rtc {
20
21class Task;
22class TaskRunner;
23
24class TaskParent {
25 public:
26 TaskParent(Task *derived_instance, TaskParent *parent);
27 explicit TaskParent(TaskRunner *derived_instance);
kwiberg@webrtc.org67186fe2015-03-09 22:21:5328 virtual ~TaskParent();
henrike@webrtc.orgf0488722014-05-13 18:00:2629
30 TaskParent *GetParent() { return parent_; }
31 TaskRunner *GetRunner() { return runner_; }
32
33 bool AllChildrenDone();
34 bool AnyChildError();
35#ifdef _DEBUG
36 bool IsChildTask(Task *task);
37#endif
38
39 protected:
40 void OnStopped(Task *task);
41 void AbortAllChildren();
42 TaskParent *parent() {
43 return parent_;
44 }
45
46 private:
47 void Initialize();
48 void OnChildStopped(Task *child);
49 void AddChild(Task *child);
50
51 TaskParent *parent_;
52 TaskRunner *runner_;
53 bool child_error_;
54 typedef std::set<Task *> ChildSet;
55 scoped_ptr<ChildSet> children_;
Thiago Farinaae0f0ee2015-04-04 23:56:5356 DISALLOW_COPY_AND_ASSIGN(TaskParent);
henrike@webrtc.orgf0488722014-05-13 18:00:2657};
58
59
60} // namespace rtc
61
62#endif // WEBRTC_BASE_TASKPARENT_H__