| // 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 "content/browser/renderer_host/gamepad_browser_message_filter.h" |
| |
| #include "content/browser/gamepad/gamepad_service.h" |
| #include "content/common/gamepad_messages.h" |
| |
| namespace content { |
| |
| GamepadBrowserMessageFilter::GamepadBrowserMessageFilter() |
| : BrowserMessageFilter(GamepadMsgStart), |
| is_started_(false) { |
| } |
| |
| GamepadBrowserMessageFilter::~GamepadBrowserMessageFilter() { |
| DCHECK_CURRENTLY_ON(BrowserThread::IO); |
| if (is_started_) |
| GamepadService::GetInstance()->RemoveConsumer(this); |
| } |
| |
| bool GamepadBrowserMessageFilter::OnMessageReceived( |
| const IPC::Message& message) { |
| bool handled = true; |
| IPC_BEGIN_MESSAGE_MAP(GamepadBrowserMessageFilter, message) |
| IPC_MESSAGE_HANDLER(GamepadHostMsg_StartPolling, OnGamepadStartPolling) |
| IPC_MESSAGE_HANDLER(GamepadHostMsg_StopPolling, OnGamepadStopPolling) |
| IPC_MESSAGE_UNHANDLED(handled = false) |
| IPC_END_MESSAGE_MAP() |
| return handled; |
| } |
| |
| void GamepadBrowserMessageFilter::OnGamepadConnected( |
| unsigned index, |
| const blink::WebGamepad& gamepad) { |
| Send(new GamepadMsg_GamepadConnected(index, gamepad)); |
| } |
| |
| void GamepadBrowserMessageFilter::OnGamepadDisconnected( |
| unsigned index, |
| const blink::WebGamepad& gamepad) { |
| Send(new GamepadMsg_GamepadDisconnected(index, gamepad)); |
| } |
| |
| void GamepadBrowserMessageFilter::OnGamepadStartPolling( |
| base::SharedMemoryHandle* renderer_handle) { |
| GamepadService* service = GamepadService::GetInstance(); |
| CHECK(!is_started_); |
| is_started_ = true; |
| service->ConsumerBecameActive(this); |
| *renderer_handle = service->GetSharedMemoryHandleForProcess(PeerHandle()); |
| } |
| |
| void GamepadBrowserMessageFilter::OnGamepadStopPolling() { |
| CHECK(is_started_); |
| is_started_ = false; |
| GamepadService::GetInstance()->ConsumerBecameInactive(this); |
| } |
| |
| } // namespace content |