tab_strip_layout_helper.cc | Explore in Territory

// 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_strip_layout_helper.h"

#include <memory>
#include <set>
#include <utility>

#include "base/memory/raw_ptr.h"
#include "base/ranges/algorithm.h"
#include "chrome/browser/ui/layout_constants.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/browser/ui/tabs/tab_style.h"
#include "chrome/browser/ui/tabs/tab_types.h"
#include "chrome/browser/ui/views/tabs/tab.h"
#include "chrome/browser/ui/views/tabs/tab_group_header.h"
#include "chrome/browser/ui/views/tabs/tab_layout_state.h"
#include "chrome/browser/ui/views/tabs/tab_slot_view.h"
#include "chrome/browser/ui/views/tabs/tab_strip_layout_types.h"
#include "chrome/browser/ui/views/tabs/tab_style_views.h"
#include "tab_container_controller.h"
#include "ui/gfx/range/range.h"
#include "ui/views/view_model.h"

namespace {

// The types of TabSlotView that can be referenced by TabSlot.
enum class ViewType { … };

}  // namespace

struct TabStripLayoutHelper::TabSlot { … };

TabStripLayoutHelper::TabStripLayoutHelper(
    const TabContainerController& controller,
    GetTabsCallback get_tabs_callback)
    : … { … }

TabStripLayoutHelper::~TabStripLayoutHelper() = default;

std::vector<Tab*> TabStripLayoutHelper::GetTabs() const { … }

std::vector<TabSlotView*> TabStripLayoutHelper::GetTabSlotViews() const { … }

size_t TabStripLayoutHelper::GetPinnedTabCount() const { … }

void TabStripLayoutHelper::InsertTabAt(int model_index,
                                       Tab* tab,
                                       TabPinned pinned) { … }

void TabStripLayoutHelper::MarkTabAsClosing(int model_index, Tab* tab) { … }

void TabStripLayoutHelper::RemoveTab(Tab* tab) { … }

void TabStripLayoutHelper::MoveTab(
    std::optional<tab_groups::TabGroupId> moving_tab_group,
    int prev_index,
    int new_index) { … }

void TabStripLayoutHelper::SetTabPinned(int model_index, TabPinned pinned) { … }

void TabStripLayoutHelper::InsertGroupHeader(tab_groups::TabGroupId group,
                                             TabGroupHeader* header) { … }

void TabStripLayoutHelper::RemoveGroupHeader(tab_groups::TabGroupId group) { … }

void TabStripLayoutHelper::UpdateGroupHeaderIndex(
    tab_groups::TabGroupId group) { … }

void TabStripLayoutHelper::SetActiveTab(
    std::optional<size_t> prev_active_index,
    std::optional<size_t> new_active_index) { … }

int TabStripLayoutHelper::CalculateMinimumWidth() { … }

int TabStripLayoutHelper::CalculatePreferredWidth() { … }

int TabStripLayoutHelper::UpdateIdealBounds(int available_width) { … }

std::vector<gfx::Rect> TabStripLayoutHelper::CalculateIdealBounds(
    std::optional<int> available_width) { … }

int TabStripLayoutHelper::GetSlotIndexForExistingTab(int model_index) const { … }

int TabStripLayoutHelper::GetSlotInsertionIndexForNewTab(
    int new_model_index,
    std::optional<tab_groups::TabGroupId> group) const { … }

std::optional<int> TabStripLayoutHelper::GetFirstTabSlotForGroup(
    tab_groups::TabGroupId group) const { … }

int TabStripLayoutHelper::GetFirstSlotIndexForTabModelIndex(
    int model_index) const { … }

int TabStripLayoutHelper::GetSlotIndexForGroupHeader(
    tab_groups::TabGroupId group) const { … }

void TabStripLayoutHelper::UpdateCachedTabWidth(int tab_index,
                                                int tab_width,
                                                bool active) { … }

bool TabStripLayoutHelper::SlotIsCollapsedTab(int i) const { … }
chromium/chrome/browser/ui/views/tabs/tab_strip_layout_helper.cc
