| /* |
| * Copyright (C) 2016 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "WebGamepadProvider.h" |
| |
| #if ENABLE(GAMEPAD) |
| |
| #include "GamepadData.h" |
| #include "WebGamepad.h" |
| #include "WebProcess.h" |
| #include "WebProcessPoolMessages.h" |
| #include <WebCore/GamepadProviderClient.h> |
| #include <wtf/NeverDestroyed.h> |
| |
| namespace WebKit { |
| using namespace WebCore; |
| |
| WebGamepadProvider& WebGamepadProvider::singleton() |
| { |
| static NeverDestroyed<WebGamepadProvider> provider; |
| return provider; |
| } |
| |
| WebGamepadProvider::WebGamepadProvider() |
| { |
| } |
| |
| WebGamepadProvider::~WebGamepadProvider() |
| { |
| } |
| |
| void WebGamepadProvider::setInitialGamepads(const Vector<GamepadData>& gamepadDatas) |
| { |
| ASSERT(m_gamepads.isEmpty()); |
| |
| m_gamepads.resize(gamepadDatas.size()); |
| m_rawGamepads.resize(gamepadDatas.size()); |
| for (size_t i = 0; i < gamepadDatas.size(); ++i) { |
| if (gamepadDatas[i].isNull()) |
| continue; |
| |
| m_gamepads[i] = std::make_unique<WebGamepad>(gamepadDatas[i]); |
| m_rawGamepads[i] = m_gamepads[i].get(); |
| } |
| } |
| |
| void WebGamepadProvider::gamepadConnected(const GamepadData& gamepadData) |
| { |
| if (m_gamepads.size() <= gamepadData.index()) { |
| m_gamepads.resize(gamepadData.index() + 1); |
| m_rawGamepads.resize(gamepadData.index() + 1); |
| } |
| |
| ASSERT(!m_gamepads[gamepadData.index()]); |
| |
| m_gamepads[gamepadData.index()] = std::make_unique<WebGamepad>(gamepadData); |
| m_rawGamepads[gamepadData.index()] = m_gamepads[gamepadData.index()].get(); |
| |
| for (auto* client : m_clients) |
| client->platformGamepadConnected(*m_gamepads[gamepadData.index()]); |
| } |
| |
| void WebGamepadProvider::gamepadDisconnected(unsigned index) |
| { |
| ASSERT(m_gamepads.size() > index); |
| |
| std::unique_ptr<WebGamepad> disconnectedGamepad = WTFMove(m_gamepads[index]); |
| m_rawGamepads[index] = nullptr; |
| |
| for (auto* client : m_clients) |
| client->platformGamepadDisconnected(*disconnectedGamepad); |
| } |
| |
| void WebGamepadProvider::gamepadActivity(const Vector<GamepadData>& gamepadDatas, bool shouldMakeGamepadsVisible) |
| { |
| ASSERT(m_gamepads.size() == gamepadDatas.size()); |
| |
| for (size_t i = 0; i < m_gamepads.size(); ++i) { |
| if (m_gamepads[i]) |
| m_gamepads[i]->updateValues(gamepadDatas[i]); |
| } |
| |
| for (auto* client : m_clients) |
| client->platformGamepadInputActivity(shouldMakeGamepadsVisible); |
| } |
| |
| void WebGamepadProvider::startMonitoringGamepads(GamepadProviderClient& client) |
| { |
| bool processHadGamepadClients = !m_clients.isEmpty(); |
| |
| ASSERT(!m_clients.contains(&client)); |
| m_clients.add(&client); |
| |
| if (!processHadGamepadClients) |
| WebProcess::singleton().send(Messages::WebProcessPool::StartedUsingGamepads(), 0); |
| } |
| |
| void WebGamepadProvider::stopMonitoringGamepads(GamepadProviderClient& client) |
| { |
| bool processHadGamepadClients = !m_clients.isEmpty(); |
| |
| ASSERT(m_clients.contains(&client)); |
| m_clients.remove(&client); |
| |
| if (processHadGamepadClients && m_clients.isEmpty()) |
| WebProcess::singleton().send(Messages::WebProcessPool::StoppedUsingGamepads(), 0); |
| } |
| |
| const Vector<PlatformGamepad*>& WebGamepadProvider::platformGamepads() |
| { |
| return m_rawGamepads; |
| } |
| |
| } |
| |
| #endif // ENABLE(GAMEPAD) |