content/public/browser/gpu_data_manager_observer.h

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_PUBLIC_BROWSER_GPU_DATA_MANAGER_OBSERVER_H_
#define CONTENT_PUBLIC_BROWSER_GPU_DATA_MANAGER_OBSERVER_H_

#include "base/process/kill.h"
#include "content/common/content_export.h"

namespace content {

// Observers can register themselves via GpuDataManager::AddObserver, and
// can un-register with GpuDataManager::RemoveObserver.
class CONTENT_EXPORT GpuDataManagerObserver {
 public:
  // Called for any observers whenever there is a GPUInfo update.
  virtual void OnGpuInfoUpdate() {}

  // Called for any observers whenever there is a GpuExtraInfo update.
  virtual void OnGpuExtraInfoUpdate() {}

  // Called for any observer when the GPU process crashed.
  virtual void OnGpuProcessCrashed() {}

 protected:
  virtual ~GpuDataManagerObserver() {}
};

}  // namespace content

#endif  // CONTENT_PUBLIC_BROWSER_GPU_DATA_MANAGER_OBSERVER_H_