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b5eff18f1a
C++14 introduced useful type traits helpers named std::*_t as aliases to std::*<...>::type. Use them to simplify the code. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
69 lines
1.4 KiB
C++
69 lines
1.4 KiB
C++
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/*
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* Copyright (C) 2019, Google Inc.
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*
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* object.h - Base object
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*/
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#ifndef __LIBCAMERA_OBJECT_H__
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#define __LIBCAMERA_OBJECT_H__
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#include <list>
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#include <memory>
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#include <vector>
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#include <libcamera/bound_method.h>
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namespace libcamera {
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class Message;
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template<typename... Args>
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class Signal;
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class SignalBase;
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class Thread;
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class Object
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{
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public:
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Object(Object *parent = nullptr);
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virtual ~Object();
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void postMessage(std::unique_ptr<Message> msg);
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template<typename T, typename R, typename... FuncArgs, typename... Args,
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typename std::enable_if_t<std::is_base_of<Object, T>::value> * = nullptr>
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R invokeMethod(R (T::*func)(FuncArgs...), ConnectionType type,
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Args... args)
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{
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T *obj = static_cast<T *>(this);
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auto *method = new BoundMethodMember<T, R, FuncArgs...>(obj, this, func, type);
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return method->activate(args..., true);
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}
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Thread *thread() const { return thread_; }
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void moveToThread(Thread *thread);
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Object *parent() const { return parent_; }
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protected:
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virtual void message(Message *msg);
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private:
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friend class SignalBase;
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friend class Thread;
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void notifyThreadMove();
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void connect(SignalBase *signal);
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void disconnect(SignalBase *signal);
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Object *parent_;
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std::vector<Object *> children_;
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Thread *thread_;
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std::list<SignalBase *> signals_;
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unsigned int pendingMessages_;
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};
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} /* namespace libcamera */
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#endif /* __LIBCAMERA_OBJECT_H__ */
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