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/************************************************************************************
Filename : OVR_OSX_DeviceManager.h
Content : OSX specific DeviceManager header.
Created : March 14, 2013
Authors : Lee Cooper
Copyright : Copyright 2014 Oculus VR, Inc. All Rights reserved.
Licensed under the Oculus VR Rift SDK License Version 3.1 (the "License");
you may not use the Oculus VR Rift SDK except in compliance with the License,
which is provided at the time of installation or download, or which
otherwise accompanies this software in either electronic or hard copy form.
You may obtain a copy of the License at
http://www.oculusvr.com/licenses/LICENSE-3.1
Unless required by applicable law or agreed to in writing, the Oculus VR SDK
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*************************************************************************************/
#ifndef OVR_OSX_DeviceManager_h
#define OVR_OSX_DeviceManager_h
#include "OVR_DeviceImpl.h"
#include "Kernel/OVR_Timer.h"
#include <ApplicationServices/ApplicationServices.h>
#include <IOKit/hid/IOHIDManager.h>
namespace OVR { namespace OSX {
class DeviceManagerThread;
//-------------------------------------------------------------------------------------
// ***** OSX DeviceManager
class DeviceManager : public DeviceManagerImpl
{
public:
DeviceManager();
~DeviceManager();
// Initialize/Shutdown manager thread.
virtual bool Initialize(DeviceBase* parent);
virtual void Shutdown();
virtual ThreadCommandQueue* GetThreadQueue();
virtual ThreadId GetThreadId() const;
virtual DeviceEnumerator<> EnumerateDevicesEx(const DeviceEnumerationArgs& args);
virtual bool GetDeviceInfo(DeviceInfo* info) const;
protected:
static void displayReconfigurationCallBack (CGDirectDisplayID display,
CGDisplayChangeSummaryFlags flags,
void *userInfo);
public: // data
Ptr<DeviceManagerThread> pThread;
};
//-------------------------------------------------------------------------------------
// ***** Device Manager Background Thread
class DeviceManagerThread : public Thread, public ThreadCommandQueue
{
friend class DeviceManager;
enum { ThreadStackSize = 32 * 1024 };
public:
DeviceManagerThread();
~DeviceManagerThread();
virtual int Run();
// ThreadCommandQueue notifications for CommandEvent handling.
virtual void OnPushNonEmpty_Locked()
{
CFRunLoopSourceSignal(CommandQueueSource);
CFRunLoopWakeUp(RunLoop);
}
virtual void OnPopEmpty_Locked() {}
// Notifier used for different updates (EVENT or regular timing or messages).
class Notifier
{
public:
// Called when timing ticks are updated. // Returns the largest number of microseconds
// this function can wait till next call.
virtual double OnTicks(double tickSeconds)
{ OVR_UNUSED1(tickSeconds); return 1000.0; }
};
// Add notifier that will be called at regular intervals.
bool AddTicksNotifier(Notifier* notify);
bool RemoveTicksNotifier(Notifier* notify);
CFRunLoopRef GetRunLoop()
{ return RunLoop; }
void Shutdown();
private:
CFRunLoopRef RunLoop;
CFRunLoopSourceRef CommandQueueSource;
static void staticCommandQueueSourceCallback(void* pContext);
void commandQueueSourceCallback();
Event StartupEvent;
// Ticks notifiers. Used for time-dependent events such as keep-alive.
Array<Notifier*> TicksNotifiers;
};
}} // namespace OSX::OVR
#endif // OVR_OSX_DeviceManager_h
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