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// Copyright (c) 2012 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.
#ifndef MEDIA_CAPTURE_SYSTEM_MESSAGE_WINDOW_WIN_H_
#define MEDIA_CAPTURE_SYSTEM_MESSAGE_WINDOW_WIN_H_
#include <windows.h>
#include <memory>
#include "base/macros.h"
#include "media/capture/capture_export.h"
namespace media {
class CAPTURE_EXPORT SystemMessageWindowWin {
public:
SystemMessageWindowWin();
virtual ~SystemMessageWindowWin();
virtual LRESULT OnDeviceChange(UINT event_type, LPARAM data);
private:
void Init();
LRESULT CALLBACK WndProc(HWND hwnd,
UINT message,
WPARAM wparam,
LPARAM lparam);
static LRESULT CALLBACK WndProcThunk(HWND hwnd,
UINT message,
WPARAM wparam,
LPARAM lparam) {
SystemMessageWindowWin* msg_wnd = reinterpret_cast<SystemMessageWindowWin*>(
GetWindowLongPtr(hwnd, GWLP_USERDATA));
if (msg_wnd)
return msg_wnd->WndProc(hwnd, message, wparam, lparam);
return ::DefWindowProc(hwnd, message, wparam, lparam);
}
HMODULE instance_;
HWND window_;
class DeviceNotifications;
std::unique_ptr<DeviceNotifications> device_notifications_;
DISALLOW_COPY_AND_ASSIGN(SystemMessageWindowWin);
};
} // namespace media
#endif // MEDIA_CAPTURE_SYSTEM_MESSAGE_WINDOW_WIN_H_