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// Copyright 2014 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 APPS_SIZE_CONSTRAINTS_H_
#define APPS_SIZE_CONSTRAINTS_H_
#include "ui/gfx/geometry/size.h"
namespace gfx {
class Insets;
}
namespace apps {
class SizeConstraints {
public:
// The value SizeConstraints uses to represent an unbounded width or height.
// This is an enum so that it can be declared inline here.
enum { kUnboundedSize = 0 };
SizeConstraints();
SizeConstraints(const gfx::Size& min_size, const gfx::Size& max_size);
~SizeConstraints();
// Adds frame insets to a size constraint.
static gfx::Size AddFrameToConstraints(const gfx::Size& size_constraints,
const gfx::Insets& frame_insets);
// Returns the bounds with its size clamped to the min/max size.
gfx::Size ClampSize(gfx::Size size) const;
// When gfx::Size is used as a min/max size, a zero represents an unbounded
// component. This method checks whether either component is specified.
// Note we can't use gfx::Size::IsEmpty as it returns true if either width
// or height is zero.
bool HasMinimumSize() const;
bool HasMaximumSize() const;
// This returns true if all components are specified, and min and max are
// equal.
bool HasFixedSize() const;
gfx::Size GetMaximumSize() const;
gfx::Size GetMinimumSize() const;
void set_minimum_size(const gfx::Size& min_size);
void set_maximum_size(const gfx::Size& max_size);
private:
gfx::Size minimum_size_;
gfx::Size maximum_size_;
};
} // namespace apps
#endif // APPS_SIZE_CONSTRAINTS_H_
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