osx: Add NativeWindow::SetSizeConstraints
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9 changed files with 287 additions and 61 deletions
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// Copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "extensions/browser/app_window/size_constraints.h"
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#include <algorithm>
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#include "ui/gfx/geometry/insets.h"
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namespace extensions {
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SizeConstraints::SizeConstraints()
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: maximum_size_(kUnboundedSize, kUnboundedSize) {}
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SizeConstraints::SizeConstraints(const gfx::Size& min_size,
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const gfx::Size& max_size)
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: minimum_size_(min_size), maximum_size_(max_size) {}
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SizeConstraints::~SizeConstraints() {}
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// static
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gfx::Size SizeConstraints::AddFrameToConstraints(
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const gfx::Size& size_constraints,
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const gfx::Insets& frame_insets) {
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return gfx::Size(
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size_constraints.width() == kUnboundedSize
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? kUnboundedSize
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: size_constraints.width() + frame_insets.width(),
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size_constraints.height() == kUnboundedSize
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? kUnboundedSize
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: size_constraints.height() + frame_insets.height());
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}
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gfx::Size SizeConstraints::ClampSize(gfx::Size size) const {
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const gfx::Size max_size = GetMaximumSize();
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if (max_size.width() != kUnboundedSize)
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size.set_width(std::min(size.width(), max_size.width()));
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if (max_size.height() != kUnboundedSize)
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size.set_height(std::min(size.height(), max_size.height()));
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size.SetToMax(GetMinimumSize());
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return size;
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}
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bool SizeConstraints::HasMinimumSize() const {
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const gfx::Size min_size = GetMinimumSize();
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return min_size.width() != kUnboundedSize ||
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min_size.height() != kUnboundedSize;
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}
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bool SizeConstraints::HasMaximumSize() const {
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const gfx::Size max_size = GetMaximumSize();
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return max_size.width() != kUnboundedSize ||
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max_size.height() != kUnboundedSize;
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}
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bool SizeConstraints::HasFixedSize() const {
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return !GetMinimumSize().IsEmpty() && GetMinimumSize() == GetMaximumSize();
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}
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gfx::Size SizeConstraints::GetMinimumSize() const {
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return minimum_size_;
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}
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gfx::Size SizeConstraints::GetMaximumSize() const {
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return gfx::Size(
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maximum_size_.width() == kUnboundedSize
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? kUnboundedSize
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: std::max(maximum_size_.width(), minimum_size_.width()),
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maximum_size_.height() == kUnboundedSize
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? kUnboundedSize
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: std::max(maximum_size_.height(), minimum_size_.height()));
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}
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void SizeConstraints::set_minimum_size(const gfx::Size& min_size) {
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minimum_size_ = min_size;
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}
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void SizeConstraints::set_maximum_size(const gfx::Size& max_size) {
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maximum_size_ = max_size;
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}
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} // namespace extensions
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// Copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef EXTENSIONS_BROWSER_APP_WINDOW_SIZE_CONSTRAINTS_H_
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#define EXTENSIONS_BROWSER_APP_WINDOW_SIZE_CONSTRAINTS_H_
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#include "ui/gfx/geometry/size.h"
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namespace gfx {
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class Insets;
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}
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namespace extensions {
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class SizeConstraints {
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public:
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// The value SizeConstraints uses to represent an unbounded width or height.
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// This is an enum so that it can be declared inline here.
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enum { kUnboundedSize = 0 };
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SizeConstraints();
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SizeConstraints(const gfx::Size& min_size, const gfx::Size& max_size);
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~SizeConstraints();
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// Adds frame insets to a size constraint.
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static gfx::Size AddFrameToConstraints(const gfx::Size& size_constraints,
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const gfx::Insets& frame_insets);
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// Returns the bounds with its size clamped to the min/max size.
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gfx::Size ClampSize(gfx::Size size) const;
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// When gfx::Size is used as a min/max size, a zero represents an unbounded
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// component. This method checks whether either component is specified.
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// Note we can't use gfx::Size::IsEmpty as it returns true if either width
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// or height is zero.
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bool HasMinimumSize() const;
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bool HasMaximumSize() const;
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// This returns true if all components are specified, and min and max are
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// equal.
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bool HasFixedSize() const;
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gfx::Size GetMaximumSize() const;
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gfx::Size GetMinimumSize() const;
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void set_minimum_size(const gfx::Size& min_size);
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void set_maximum_size(const gfx::Size& max_size);
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private:
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gfx::Size minimum_size_;
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gfx::Size maximum_size_;
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};
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} // namespace extensions
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#endif // EXTENSIONS_BROWSER_APP_WINDOW_SIZE_CONSTRAINTS_H_
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