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// 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 CHROME_BROWSER_UI_COCOA_CONFIRM_QUIT_H_
#define CHROME_BROWSER_UI_COCOA_CONFIRM_QUIT_H_
#include "base/time/time.h"
class PrefRegistrySimple;
namespace confirm_quit {
// How long the user must hold down Cmd+Q to confirm the quit.
inline constexpr base::TimeDelta kShowDuration = base::Milliseconds(1500);
// Duration of the window fade animation.
inline constexpr base::TimeDelta kWindowFadeDuration = base::Milliseconds(200);
// For metrics recording only: How long the user must hold the keys to
// differentitate kDoubleTap from kTapHold.
inline constexpr base::TimeDelta kDoubleTapTimeDelta = base::Milliseconds(320);
// These numeric values are used in UMA logs; do not change them. New values
// should be added at the end, above kSampleCount.
enum ConfirmQuitMetric {
// The user quit without having the feature enabled.
kNoConfirm = 0,
// The user held the accelerator for the entire duration.
kHoldDuration = 1,
// The user hit the accelerator twice for the accelerated path.
kDoubleTap = 2,
// The user tapped the accelerator once and then held it.
kTapHold = 3,
kSampleCount
};
// Records the histogram value for the above metric.
void RecordHistogram(ConfirmQuitMetric sample);
// Registers the preference in app-wide local state.
void RegisterLocalState(PrefRegistrySimple* registry);
} // namespace confirm_quit
#endif // CHROME_BROWSER_UI_COCOA_CONFIRM_QUIT_H_
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