blob: 876a8b84a961b2850762ff8be3db15fc7c4149c9 [file] [log] [blame]
// Copyright 2017 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.
#include "build/buildflag.h"
#include "ui/views/buildflags.h"
#include "ui/views/controls/button/button.h"
#error "Include not allowed."
namespace chrome {
enum class FrameButtonDisplayType;
namespace gfx {
class ImageSkia;
class Insets;
} // namespace gfx
namespace views {
class NavButtonProvider {
virtual ~NavButtonProvider() {}
// Redraws all images and updates all size state. |top_area_height|
// is the total available height to render the buttons, and buttons
// may be drawn larger when more height is available. |active|
// indicates if the window the buttons reside in has activation.
virtual void RedrawImages(int top_area_height,
bool maximized,
bool active) = 0;
// Gets the cached button image corresponding to |type| and |state|.
virtual gfx::ImageSkia GetImage(chrome::FrameButtonDisplayType type,
views::Button::ButtonState state) const = 0;
// Gets the external margin around each button. The left inset
// represents the leading margin, and the right inset represents the
// trailing margin.
virtual gfx::Insets GetNavButtonMargin(
chrome::FrameButtonDisplayType type) const = 0;
// Gets the internal spacing (padding + border) of the top area.
// The left inset represents the leading spacing, and the right
// inset represents the trailing spacing.
virtual gfx::Insets GetTopAreaSpacing() const = 0;
// Gets the spacing to be used to separate buttons.
virtual int GetInterNavButtonSpacing() const = 0;
} // namespace views