libcamera/include/libcamera/object.h
Laurent Pinchart 0e65ed8145 libcamera: signal: Split Slot implementation to reusable classes
Move the Slot* classes to bound_method.{h,cpp} and rename them to
Bound*Method*. They will be reused to implement asynchronous method
invocation similar to cross-thread signal delivery.

This is only a move and rename, no functional changes are included.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2019-08-17 18:32:28 +03:00

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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* object.h - Base object
*/
#ifndef __LIBCAMERA_OBJECT_H__
#define __LIBCAMERA_OBJECT_H__
#include <list>
#include <memory>
#include <libcamera/bound_method.h>
namespace libcamera {
class Message;
template<typename... Args>
class Signal;
class SignalBase;
class Thread;
class Object
{
public:
Object();
virtual ~Object();
void postMessage(std::unique_ptr<Message> msg);
Thread *thread() const { return thread_; }
void moveToThread(Thread *thread);
protected:
virtual void message(Message *msg);
private:
template<typename... Args>
friend class Signal;
friend class BoundMethodBase;
friend class Thread;
void connect(SignalBase *signal);
void disconnect(SignalBase *signal);
Thread *thread_;
std::list<SignalBase *> signals_;
unsigned int pendingMessages_;
};
}; /* namespace libcamera */
#endif /* __LIBCAMERA_OBJECT_H__ */