blob: c03e478827e00d5142077d59eb6e84034c4d319a [file] [log] [blame]
// 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();
DCHECK(!is_started_);
if (is_started_)
return;
is_started_ = true;
service->ConsumerBecameActive(this);
*renderer_handle = service->GetSharedMemoryHandleForProcess(PeerHandle());
}
void GamepadBrowserMessageFilter::OnGamepadStopPolling() {
DCHECK(is_started_);
if (!is_started_)
return;
is_started_ = false;
GamepadService::GetInstance()->ConsumerBecameInactive(this);
}
} // namespace content