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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "device/gamepad/gamepad_monitor.h"
#include <utility>
#include "base/memory/ptr_util.h"
#include "device/gamepad/gamepad_service.h"
#include "device/gamepad/gamepad_shared_buffer.h"
#include "mojo/public/cpp/bindings/message.h"
#include "mojo/public/cpp/bindings/self_owned_receiver.h"
namespace device {
GamepadMonitor::GamepadMonitor() = default;
GamepadMonitor::~GamepadMonitor() {
if (is_registered_consumer_)
GamepadService::GetInstance()->RemoveConsumer(this);
}
// static
void GamepadMonitor::Create(
mojo::PendingReceiver<mojom::GamepadMonitor> receiver) {
mojo::MakeSelfOwnedReceiver(std::make_unique<GamepadMonitor>(),
std::move(receiver));
}
void GamepadMonitor::OnGamepadConnected(uint32_t index,
const Gamepad& gamepad) {
if (gamepad_observer_remote_)
gamepad_observer_remote_->GamepadConnected(index, gamepad);
}
void GamepadMonitor::OnGamepadDisconnected(uint32_t index,
const Gamepad& gamepad) {
if (gamepad_observer_remote_)
gamepad_observer_remote_->GamepadDisconnected(index, gamepad);
}
void GamepadMonitor::OnGamepadButtonOrAxisChanged(uint32_t index,
const Gamepad& gamepad) {
if (gamepad_observer_remote_)
gamepad_observer_remote_->GamepadButtonOrAxisChanged(index, gamepad);
}
void GamepadMonitor::GamepadStartPolling(GamepadStartPollingCallback callback) {
DCHECK(!is_started_);
is_started_ = true;
is_registered_consumer_ = true;
GamepadService* service = GamepadService::GetInstance();
if (!service->ConsumerBecameActive(this)) {
mojo::ReportBadMessage("GamepadMonitor::GamepadStartPolling failed");
}
std::move(callback).Run(service->DuplicateSharedMemoryRegion());
}
void GamepadMonitor::GamepadStopPolling(GamepadStopPollingCallback callback) {
DCHECK(is_started_);
is_started_ = false;
if (!GamepadService::GetInstance()->ConsumerBecameInactive(this)) {
mojo::ReportBadMessage("GamepadMonitor::GamepadStopPolling failed");
}
std::move(callback).Run();
}
void GamepadMonitor::SetObserver(
mojo::PendingRemote<mojom::GamepadObserver> gamepad_observer) {
gamepad_observer_remote_.Bind(std::move(gamepad_observer));
}
} // namespace device
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