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// Copyright 2016 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_MAC_H_
#define CONTENT_BROWSER_MEDIA_CAPTURE_WINDOW_ACTIVITY_TRACKER_MAC_H_
#import <AppKit/AppKit.h>
#import <CoreFoundation/CoreFoundation.h>
#include "base/callback.h"
#include "base/mac/scoped_nsobject.h"
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "content/browser/media/capture/window_activity_tracker.h"
#include "content/common/content_export.h"
#include "ui/base/cocoa/tracking_area.h"
#include "ui/gfx/native_widget_types.h"
@interface MouseTracker : NSObject {
@private
ui::ScopedCrTrackingArea trackingArea_;
// The view on which mouse movement is detected.
NSView* nsView_;
// Runs on any mouse interaction from user.
base::Closure mouseInteractionObserver_;
}
- (instancetype)initWithView:(NSView*)nsView;
// Register an observer for mouse interaction.
- (void)registerMouseInteractionObserver:(const base::Closure&)observer;
@end
namespace content {
// Tracks UI events and makes a decision on whether the user has been
// actively interacting with a specified window.
class CONTENT_EXPORT WindowActivityTrackerMac : public WindowActivityTracker {
public:
explicit WindowActivityTrackerMac(NSView* view);
~WindowActivityTrackerMac() final;
base::WeakPtr<WindowActivityTracker> GetWeakPtr() final;
private:
void OnMouseActivity();
NSView* const view_;
base::scoped_nsobject<MouseTracker> mouse_tracker_;
base::WeakPtrFactory<WindowActivityTrackerMac> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(WindowActivityTrackerMac);
};
} // namespace content
#endif // CONTENT_BROWSER_MEDIA_CAPTURE_WINDOW_ACTIVITY_TRACKER_MAC_H_
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