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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/views/tabs/tab_width_constraints.h"
#include "chrome/browser/ui/tabs/tab_style.h"
#include "chrome/browser/ui/tabs/tab_types.h"
#include "chrome/browser/ui/views/tabs/tab_strip_layout.h"
#include "ui/gfx/animation/tween.h"
TabWidthConstraints::TabWidthConstraints(const TabLayoutState& state,
const TabSizeInfo& size_info)
: state_(state), size_info_(size_info) {}
float TabWidthConstraints::GetMinimumWidth() const {
const float min_width = state_.active() == TabActive::kActive
? size_info_.min_active_width
: size_info_.min_inactive_width;
return TransformForPinnednessAndOpenness(min_width);
}
float TabWidthConstraints::GetLayoutCrossoverWidth() const {
return TransformForPinnednessAndOpenness(size_info_.min_active_width);
}
float TabWidthConstraints::GetPreferredWidth() const {
return TransformForPinnednessAndOpenness(size_info_.standard_width);
}
float TabWidthConstraints::TransformForPinnednessAndOpenness(
float width) const {
if (state_.IsClosed()) {
return TabStyle::Get()->GetTabOverlap();
} else if (state_.pinned() == TabPinned::kPinned) {
return size_info_.pinned_tab_width;
} else {
return width;
}
}
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