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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/browser/app_window/size_constraints.h"
#include <algorithm>
#include "ui/gfx/geometry/insets.h"
#include "ui/gfx/geometry/rounded_corners_f.h"
#include "ui/gfx/geometry/size.h"
namespace extensions {
SizeConstraints::SizeConstraints()
: maximum_size_(kUnboundedSize, kUnboundedSize) {}
SizeConstraints::SizeConstraints(const gfx::Size& min_size,
const gfx::Size& max_size)
: minimum_size_(min_size), maximum_size_(max_size) {}
SizeConstraints::~SizeConstraints() = default;
// static
gfx::Size SizeConstraints::GetMinimumSizeSupportingRoundedCorners(
const gfx::RoundedCornersF& radii) {
return gfx::Size(std::max(radii.upper_left() + radii.upper_right(),
radii.lower_left() + radii.lower_right()),
std::max(radii.upper_left() + radii.lower_left(),
radii.upper_right() + radii.lower_right()));
}
// static
gfx::Size SizeConstraints::AddWindowToConstraints(
const gfx::Size& size_constraints,
const gfx::Insets& frame_insets,
const gfx::RoundedCornersF& window_radii) {
const gfx::Size minimum_size =
GetMinimumSizeSupportingRoundedCorners(window_radii);
return gfx::Size(
size_constraints.width() == kUnboundedSize
? kUnboundedSize
: std::max(minimum_size.width(),
size_constraints.width() + frame_insets.width()),
size_constraints.height() == kUnboundedSize
? kUnboundedSize
: std::max(minimum_size.height(),
size_constraints.height() + frame_insets.height()));
}
gfx::Size SizeConstraints::ClampSize(gfx::Size size) const {
const gfx::Size max_size = GetMaximumSize();
if (max_size.width() != kUnboundedSize) {
size.set_width(std::min(size.width(), max_size.width()));
}
if (max_size.height() != kUnboundedSize) {
size.set_height(std::min(size.height(), max_size.height()));
}
size.SetToMax(GetMinimumSize());
return size;
}
bool SizeConstraints::HasMinimumSize() const {
const gfx::Size min_size = GetMinimumSize();
return min_size.width() != kUnboundedSize ||
min_size.height() != kUnboundedSize;
}
bool SizeConstraints::HasMaximumSize() const {
const gfx::Size max_size = GetMaximumSize();
return max_size.width() != kUnboundedSize ||
max_size.height() != kUnboundedSize;
}
bool SizeConstraints::HasFixedSize() const {
return !GetMinimumSize().IsEmpty() && GetMinimumSize() == GetMaximumSize();
}
gfx::Size SizeConstraints::GetMinimumSize() const {
return minimum_size_;
}
gfx::Size SizeConstraints::GetMaximumSize() const {
return gfx::Size(
maximum_size_.width() == kUnboundedSize
? kUnboundedSize
: std::max(maximum_size_.width(), minimum_size_.width()),
maximum_size_.height() == kUnboundedSize
? kUnboundedSize
: std::max(maximum_size_.height(), minimum_size_.height()));
}
void SizeConstraints::set_minimum_size(const gfx::Size& min_size) {
minimum_size_ = min_size;
}
void SizeConstraints::set_maximum_size(const gfx::Size& max_size) {
maximum_size_ = max_size;
}
} // namespace extensions
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