text: // 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_CURSOR_RENDERER_MAC_H_
  #define CONTENT_BROWSER_MEDIA_CAPTURE_CURSOR_RENDERER_MAC_H_
  
  #import <AppKit/AppKit.h>
  
  #include "base/mac/scoped_nsobject.h"
  #include "content/browser/media/capture/cursor_renderer.h"
  #import "ui/base/cocoa/tracking_area.h"
  
  @interface CursorRendererMouseTracker : NSObject {
   @private
    ui::ScopedCrTrackingArea trackingArea_;
  
    // The view on which mouse movement is detected.
    base::scoped_nsobject<NSView> capturedView_;
  
    // Runs on any mouse interaction from user.
    base::RepeatingClosure mouseInteractionObserver_;
  }
  
  - (instancetype)initWithView:(NSView*)nsView;
  
  // Register an observer for mouse interaction.
  - (void)registerMouseInteractionObserver:
      (const base::RepeatingClosure&)observer;
  
  @end
  
  namespace content {
  
  class CONTENT_EXPORT CursorRendererMac : public CursorRenderer {
   public:
    explicit CursorRendererMac(CursorDisplaySetting cursor_display);
    ~CursorRendererMac() final;
  
    // CursorRenderer implementation.
    void SetTargetView(gfx::NativeView window) final;
    bool IsCapturedViewActive() final;
    gfx::Size GetCapturedViewSize() final;
    gfx::Point GetCursorPositionInView() final;
    gfx::NativeCursor GetLastKnownCursor() final;
    SkBitmap GetLastKnownCursorImage(gfx::Point* hot_point) final;
  
   private:
    friend class CursorRendererMacTest;
  
    // Called for mouse activity events.
    void OnMouseEvent();
  
    NSView* view_ = nil;
  
    base::scoped_nsobject<CursorRendererMouseTracker> mouse_tracker_;
  
    DISALLOW_COPY_AND_ASSIGN(CursorRendererMac);
  };
  
  }  // namespace content
  
  #endif  // CONTENT_BROWSER_MEDIA_CAPTURE_CURSOR_RENDERER_MAC_H_
  