blob: 76646dc7bc69a8f57da79cf1349900d71295794b [file] [log] [blame]
// Copyright 2019 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 "chrome/browser/ui/views/tabs/tab_animation_state.h"
#include "chrome/browser/ui/views/tabs/tab_strip_layout.h"
#include "ui/gfx/animation/tween.h"
TabAnimationState TabAnimationState::ForIdealTabState(TabOpenness open,
TabPinnedness pinned,
TabActiveness active,
int tab_index_offset) {
return TabAnimationState(open == TabOpenness::kOpen ? 1 : 0,
pinned == TabPinnedness::kPinned ? 1 : 0,
active == TabActiveness::kActive ? 1 : 0,
tab_index_offset);
}
TabAnimationState TabAnimationState::Interpolate(float value,
TabAnimationState origin,
TabAnimationState target) {
return TabAnimationState(
gfx::Tween::FloatValueBetween(value, origin.normalized_leading_edge_x_,
target.normalized_leading_edge_x_),
gfx::Tween::FloatValueBetween(value, origin.openness_, target.openness_),
gfx::Tween::FloatValueBetween(value, origin.pinnedness_,
target.pinnedness_),
gfx::Tween::FloatValueBetween(value, origin.activeness_,
target.activeness_));
}
float TabAnimationState::GetMinimumWidth(TabSizeInfo tab_size_info) const {
const float min_width = gfx::Tween::FloatValueBetween(
activeness_, tab_size_info.min_inactive_width,
tab_size_info.min_active_width);
return TransformForPinnednessAndOpenness(tab_size_info, min_width);
}
float TabAnimationState::GetLayoutCrossoverWidth(
TabSizeInfo tab_size_info) const {
return TransformForPinnednessAndOpenness(tab_size_info,
tab_size_info.min_active_width);
}
float TabAnimationState::GetPreferredWidth(TabSizeInfo tab_size_info) const {
return TransformForPinnednessAndOpenness(tab_size_info,
tab_size_info.standard_size.width());
}
float TabAnimationState::TransformForPinnednessAndOpenness(
TabSizeInfo tab_size_info,
float width) const {
const float pinned_width = gfx::Tween::FloatValueBetween(
pinnedness_, width, tab_size_info.pinned_tab_width);
return gfx::Tween::FloatValueBetween(openness_, tab_size_info.tab_overlap,
pinned_width);
}
int TabAnimationState::GetLeadingEdgeOffset(std::vector<int> tab_widths,
int my_index) const {
// TODO(949660): Implement this to handle animated tab translations. Sum
// widths from my_index to my_index +
// round_towards_zero(normalized_leading_edge_x), inclusive. Add the
// fractional part for the width of the last tab.
// A different approach that doesn't stretch/compress space based on
// tab widths might be needed. Though maybe not, since very few animations
// will actually translate tabs across a mixture of pinned and unpinned
// tabs.
NOTIMPLEMENTED();
return 0;
}