mirror of
https://github.com/arehnman/yttrium-virtio-gpu.git
synced 2026-10-31 02:05:04 +00:00
Sameeh Jubran
7bbf63031e
The Add method should return the size of list after the element has been added. This method will always return 0 when the list's typename is CNonCountingObject. Signed-off-by: Sameeh Jubran <[email protected]>
80 lines
2.8 KiB
C++
80 lines
2.8 KiB
C++
#pragma once
|
|
/*
|
|
* Contains various implementations of generic design patterns
|
|
*
|
|
* Copyright (c) 2018 Red Hat, Inc.
|
|
*
|
|
* Authors:
|
|
* Sameeh Jubran <[email protected]>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met :
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and / or other materials provided with the distribution.
|
|
* 3. Neither the names of the copyright holders nor the names of their contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED.IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "ParaNdis-Util.h"
|
|
|
|
template <typename TNotifyObject>
|
|
class CObserver {
|
|
public:public:
|
|
virtual ~CObserver() {}
|
|
virtual void Notify(TNotifyObject message) { UNREFERENCED_PARAMETER(message); }
|
|
protected:
|
|
CObserver() {}
|
|
|
|
private:
|
|
DECLARE_CNDISLIST_ENTRY(CObserver);
|
|
|
|
CObserver(const CObserver& observer);
|
|
CObserver& operator=(const CObserver& observer);
|
|
};
|
|
|
|
template <typename TNotifyObject>
|
|
class CObservee{
|
|
public:public:
|
|
virtual ~CObservee()
|
|
{
|
|
m_ObserversList.ForEachDetached([](CObserver<TNotifyObject> *observer) { UNREFERENCED_PARAMETER(observer); });
|
|
}
|
|
ULONG Add(CObserver<TNotifyObject>* observer)
|
|
{
|
|
return m_ObserversList.PushBack(observer);
|
|
}
|
|
void Remove(CObserver<TNotifyObject>* observer)
|
|
{
|
|
m_ObserversList.Remove(observer);
|
|
}
|
|
void NotifyAll(TNotifyObject message)
|
|
{
|
|
m_ObserversList.ForEach([message](CObserver<TNotifyObject> *observer) { observer->Notify(message); });
|
|
}
|
|
|
|
protected:
|
|
CObservee() {}
|
|
|
|
private:
|
|
CNdisList<CObserver<TNotifyObject>, CRawAccess, CCountingObject> m_ObserversList;
|
|
|
|
CObservee(const CObservee& observee);
|
|
CObservee& operator=(const CObservee& observee);
|
|
};
|