147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org/* 247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org * Copyright 2004 The WebRTC Project Authors. All rights reserved. 347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org * 447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org * Use of this source code is governed by a BSD-style license 547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org * that can be found in the LICENSE file in the root of the source 647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org * tree. An additional intellectual property rights grant can be found 747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org * in the file PATENTS. All contributing project authors may 847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org * be found in the AUTHORS file in the root of the source tree. 947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org */ 1047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 1147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org#ifndef WEBRTC_BASE_TASKPARENT_H__ 1247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org#define WEBRTC_BASE_TASKPARENT_H__ 1347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 1447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org#include <set> 1547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 1647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org#include "webrtc/base/basictypes.h" 1747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org#include "webrtc/base/scoped_ptr.h" 1847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 1947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.orgnamespace rtc { 2047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 2147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.orgclass Task; 2247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.orgclass TaskRunner; 2347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 2447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.orgclass TaskParent { 2547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org public: 2647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org TaskParent(Task *derived_instance, TaskParent *parent); 2747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org explicit TaskParent(TaskRunner *derived_instance); 2847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org virtual ~TaskParent() { } 2947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 3047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org TaskParent *GetParent() { return parent_; } 3147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org TaskRunner *GetRunner() { return runner_; } 3247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 3347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org bool AllChildrenDone(); 3447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org bool AnyChildError(); 3547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org#ifdef _DEBUG 3647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org bool IsChildTask(Task *task); 3747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org#endif 3847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 3947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org protected: 4047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org void OnStopped(Task *task); 4147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org void AbortAllChildren(); 4247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org TaskParent *parent() { 4347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org return parent_; 4447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org } 4547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 4647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org private: 4747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org void Initialize(); 4847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org void OnChildStopped(Task *child); 4947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org void AddChild(Task *child); 5047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 5147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org TaskParent *parent_; 5247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org TaskRunner *runner_; 5347be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org bool child_error_; 5447be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org typedef std::set<Task *> ChildSet; 5547be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org scoped_ptr<ChildSet> children_; 5647be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org DISALLOW_EVIL_CONSTRUCTORS(TaskParent); 5747be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org}; 5847be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 5947be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 6047be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org} // namespace rtc 6147be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org 6247be73b8629244d6bb63a28198f97f040ce53d21henrike@webrtc.org#endif // WEBRTC_BASE_TASKPARENT_H__ 63