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// Copyright (c) 2015 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 CONTENT_BROWSER_MEDIA_CAPTURE_WINDOW_ACTIVITY_TRACKER_H_
#define CONTENT_BROWSER_MEDIA_CAPTURE_WINDOW_ACTIVITY_TRACKER_H_
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "content/common/content_export.h"
namespace content {
// WindowActivityTracker is an interface that can be implememented to report
// whether the user is actively interacting with UI.
class CONTENT_EXPORT WindowActivityTracker {
public:
virtual ~WindowActivityTracker() {}
// Returns true if UI interaction is active.
virtual bool IsUiInteractionActive() const = 0;
// Reports on every mouse movement activity on the window.
virtual void RegisterMouseInteractionObserver(
const base::Closure& observer) {}
// Resets any previous UI activity tracked.
virtual void Reset() = 0;
// Returns a weak pointer.
virtual base::WeakPtr<WindowActivityTracker> GetWeakPtr() = 0;
};
} // namespace content
#endif // CONTENT_BROWSER_MEDIA_CAPTURE_WINDOW_ACTIVITY_TRACKER_H_
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