mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-29 08:11:13 +00:00
93 lines
3.4 KiB
C++
93 lines
3.4 KiB
C++
|
/*
|
||
|
|
* Copyright (c) 2018-2020 Atmosphère-NX
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify it
|
||
|
|
* under the terms and conditions of the GNU General Public License,
|
||
|
|
* version 2, as published by the Free Software Foundation.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
||
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||
|
|
* more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
#pragma once
|
||
|
|
#include <vapours.hpp>
|
||
|
|
#include <stratosphere/os.hpp>
|
||
|
|
|
||
|
|
namespace ams::ddsf {
|
||
|
|
|
||
|
|
class EventHandlerManager;
|
||
|
|
|
||
|
|
class IEventHandler {
|
||
|
|
NON_COPYABLE(IEventHandler);
|
||
|
|
NON_MOVEABLE(IEventHandler);
|
||
|
|
friend class EventHandlerManager;
|
||
|
|
private:
|
||
|
|
os::WaitableHolderType holder;
|
||
|
|
uintptr_t user_data;
|
||
|
|
bool is_initialized;
|
||
|
|
bool is_registered;
|
||
|
|
private:
|
||
|
|
void Link(os::WaitableManagerType *manager) {
|
||
|
|
AMS_ASSERT(this->IsInitialized());
|
||
|
|
AMS_ASSERT(!this->IsRegistered());
|
||
|
|
AMS_ASSERT(manager != nullptr);
|
||
|
|
os::LinkWaitableHolder(manager, std::addressof(this->holder));
|
||
|
|
}
|
||
|
|
|
||
|
|
void Unlink() {
|
||
|
|
AMS_ASSERT(this->IsInitialized());
|
||
|
|
AMS_ASSERT(this->IsRegistered());
|
||
|
|
os::UnlinkWaitableHolder(std::addressof(this->holder));
|
||
|
|
}
|
||
|
|
|
||
|
|
static IEventHandler &ToEventHandler(os::WaitableHolderType *holder) {
|
||
|
|
AMS_ASSERT(holder != nullptr);
|
||
|
|
auto &event_handler = *reinterpret_cast<IEventHandler *>(os::GetWaitableHolderUserData(holder));
|
||
|
|
AMS_ASSERT(event_handler.IsInitialized());
|
||
|
|
return event_handler;
|
||
|
|
}
|
||
|
|
public:
|
||
|
|
IEventHandler() : holder(), user_data(0), is_initialized(false), is_registered(false) { /* ... */ }
|
||
|
|
|
||
|
|
~IEventHandler() {
|
||
|
|
if (this->IsRegistered()) {
|
||
|
|
this->Unlink();
|
||
|
|
}
|
||
|
|
if (this->IsInitialized()) {
|
||
|
|
this->Finalize();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
bool IsInitialized() const { return this->is_initialized; }
|
||
|
|
bool IsRegistered() const { return this->is_registered; }
|
||
|
|
|
||
|
|
uintptr_t GetUserData() const { return this->user_data; }
|
||
|
|
void SetUserData(uintptr_t d) { this->user_data = d; }
|
||
|
|
|
||
|
|
template<typename T>
|
||
|
|
void Initialize(T *object) {
|
||
|
|
AMS_ASSERT(object != nullptr);
|
||
|
|
AMS_ASSERT(!this->IsInitialized());
|
||
|
|
os::InitializeWaitableHolder(std::addressof(this->holder), object);
|
||
|
|
os::SetWaitableHolderUserData(std::addressof(this->holder), reinterpret_cast<uintptr_t>(this));
|
||
|
|
this->is_initialized = true;
|
||
|
|
this->is_registered = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
void Finalize() {
|
||
|
|
AMS_ASSERT(this->IsInitialized());
|
||
|
|
AMS_ASSERT(!this->IsRegistered());
|
||
|
|
os::FinalizeWaitableHolder(std::addressof(this->holder));
|
||
|
|
this->is_initialized = false;
|
||
|
|
this->is_registered = false;
|
||
|
|
}
|
||
|
|
protected:
|
||
|
|
virtual void HandleEvent() = 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
}
|