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// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <cstddef>
#include <memory>
#include <type_traits>
#include <unordered_map>
#include "common/assert.h"
#include "common/common_types.h"
#include "core/core_timing.h"
#include "core/hle/applets/applet.h"
#include "core/hle/applets/swkbd.h"
#include "core/hle/result.h"
#include "core/hle/service/apt/apt.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Specializes std::hash for AppletId, so that we can use it in std::unordered_map.
// Workaround for libstdc++ bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60970
namespace std {
template <>
struct hash<Service::APT::AppletId> {
typedef Service::APT::AppletId argument_type;
typedef std::size_t result_type;
result_type operator()(const argument_type& id_code) const {
typedef std::underlying_type<argument_type>::type Type;
return std::hash<Type>()(static_cast<Type>(id_code));
}
};
}
namespace HLE {
namespace Applets {
static std::unordered_map<Service::APT::AppletId, std::shared_ptr<Applet>> applets;
static u32 applet_update_event = -1; ///< The CoreTiming event identifier for the Applet update callback.
/// The interval at which the Applet update callback will be called, 16.6ms
static const u64 applet_update_interval_us = 16666;
ResultCode Applet::Create(Service::APT::AppletId id) {
switch (id) {
case Service::APT::AppletId::SoftwareKeyboard1:
case Service::APT::AppletId::SoftwareKeyboard2:
applets[id] = std::make_shared<SoftwareKeyboard>(id);
break;
default:
// TODO(Subv): Find the right error code
return ResultCode(ErrorDescription::NotFound, ErrorModule::Applet, ErrorSummary::NotSupported, ErrorLevel::Permanent);
}
return RESULT_SUCCESS;
}
std::shared_ptr<Applet> Applet::Get(Service::APT::AppletId id) {
auto itr = applets.find(id);
if (itr != applets.end())
return itr->second;
return nullptr;
}
/// Handles updating the current Applet every time it's called.
static void AppletUpdateEvent(u64 applet_id, int cycles_late) {
Service::APT::AppletId id = static_cast<Service::APT::AppletId>(applet_id);
std::shared_ptr<Applet> applet = Applet::Get(id);
ASSERT_MSG(applet != nullptr, "Applet doesn't exist! applet_id=%08X", id);
applet->Update();
// If the applet is still running after the last update, reschedule the event
if (applet->IsRunning()) {
CoreTiming::ScheduleEvent(usToCycles(applet_update_interval_us) - cycles_late,
applet_update_event, applet_id);
} else {
// Otherwise the applet has terminated, in which case we should clean it up
applets[id] = nullptr;
}
}
ResultCode Applet::Start(const Service::APT::AppletStartupParameter& parameter) {
ResultCode result = StartImpl(parameter);
if (result.IsError())
return result;
// Schedule the update event
CoreTiming::ScheduleEvent(usToCycles(applet_update_interval_us), applet_update_event, static_cast<u64>(id));
return result;
}
void Init() {
// Register the applet update callback
applet_update_event = CoreTiming::RegisterEvent("HLE Applet Update Event", AppletUpdateEvent);
}
void Shutdown() {
}
}
} // namespace
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