/*
 * Copyright (C) 2008 Apple Inc. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef ThemeMac_h
#define ThemeMac_h

#import <AppKit/AppKit.h>

#include "platform/Theme.h"

namespace blink {

class ThemeMac : public Theme {
 public:
  ThemeMac() {}
  ~ThemeMac() override {}

  virtual int BaselinePositionAdjustment(ControlPart) const;

  virtual FontDescription ControlFont(ControlPart,
                                      const FontDescription&,
                                      float zoom_factor) const;

  virtual LengthSize GetControlSize(ControlPart,
                                    const FontDescription&,
                                    const LengthSize&,
                                    float zoom_factor) const;
  virtual LengthSize MinimumControlSize(ControlPart,
                                        const FontDescription&,
                                        float zoom_factor) const;

  virtual LengthBox ControlPadding(ControlPart,
                                   const FontDescription&,
                                   const Length& zoomed_box_top,
                                   const Length& zoomed_box_right,
                                   const Length& zoomed_box_bottom,
                                   const Length& zoomed_box_left,
                                   float zoom_factor) const;
  virtual LengthBox ControlBorder(ControlPart,
                                  const FontDescription&,
                                  const LengthBox& zoomed_box,
                                  float zoom_factor) const;

  virtual bool ControlRequiresPreWhiteSpace(ControlPart part) const {
    return part == kPushButtonPart;
  }

  virtual void AddVisualOverflow(ControlPart,
                                 ControlStates,
                                 float zoom_factor,
                                 IntRect& border_box) const;

  // Inflate an IntRect to accout for specific padding around margins.
  enum { kTopMargin = 0, kRightMargin = 1, kBottomMargin = 2, kLeftMargin = 3 };
  static PLATFORM_EXPORT IntRect InflateRect(const IntRect&,
                                             const IntSize&,
                                             const int* margins,
                                             float zoom_level = 1.0f);

  // Inflate an IntRect to account for any bleeding that would happen due to
  // anti-aliasing.
  static PLATFORM_EXPORT IntRect InflateRectForAA(const IntRect&);

  // Inflate an IntRect to account for its focus ring.
  // TODO: Consider using computing the focus ring's bounds with
  // -[NSCell focusRingMaskBoundsForFrame:inView:]).
  static PLATFORM_EXPORT IntRect InflateRectForFocusRing(const IntRect&);

  static PLATFORM_EXPORT LengthSize CheckboxSize(const FontDescription&,
                                                 const LengthSize& zoomed_size,
                                                 float zoom_factor);
  static PLATFORM_EXPORT NSButtonCell* Checkbox(ControlStates,
                                                const IntRect& zoomed_rect,
                                                float zoom_factor);
  static PLATFORM_EXPORT const IntSize* CheckboxSizes();
  static PLATFORM_EXPORT const int* CheckboxMargins(NSControlSize);
  static PLATFORM_EXPORT NSView* EnsuredView(ScrollableArea*);

  static PLATFORM_EXPORT const IntSize* RadioSizes();
  static PLATFORM_EXPORT const int* RadioMargins(NSControlSize);
  static PLATFORM_EXPORT LengthSize RadioSize(const FontDescription&,
                                              const LengthSize& zoomed_size,
                                              float zoom_factor);
  static PLATFORM_EXPORT NSButtonCell* Radio(ControlStates,
                                             const IntRect& zoomed_rect,
                                             float zoom_factor);

  static PLATFORM_EXPORT const IntSize* ButtonSizes();
  static PLATFORM_EXPORT const int* ButtonMargins(NSControlSize);
  static PLATFORM_EXPORT NSButtonCell* Button(ControlPart,
                                              ControlStates,
                                              const IntRect& zoomed_rect,
                                              float zoom_factor);

  static PLATFORM_EXPORT NSControlSize
  ControlSizeFromPixelSize(const IntSize* sizes,
                           const IntSize& min_zoomed_size,
                           float zoom_factor);
  static PLATFORM_EXPORT const IntSize* StepperSizes();
};

}  // namespace blink

#endif  // ThemeMac_h