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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/quick_insert/views/quick_insert_section_list_view.h"
#include <algorithm>
#include <iterator>
#include <memory>
#include <utility>
#include "ash/quick_insert/quick_insert_asset_fetcher.h"
#include "ash/quick_insert/views/quick_insert_item_view.h"
#include "ash/quick_insert/views/quick_insert_section_view.h"
#include "base/containers/adapters.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/views/layout/box_layout.h"
#include "ui/views/layout/layout_types.h"
#include "ui/views/view.h"
#include "ui/views/view_utils.h"
namespace ash {
QuickInsertSectionListView::QuickInsertSectionListView(
int section_width,
QuickInsertAssetFetcher* asset_fetcher,
QuickInsertSubmenuController* submenu_controller)
: section_width_(section_width),
asset_fetcher_(asset_fetcher),
submenu_controller_(submenu_controller) {
SetLayoutManager(
std::make_unique<views::BoxLayout>(views::LayoutOrientation::kVertical))
->set_cross_axis_alignment(views::LayoutAlignment::kStretch);
}
QuickInsertSectionListView::~QuickInsertSectionListView() = default;
views::View* QuickInsertSectionListView::GetTopItem() {
for (views::View* section : children()) {
if (views::View* top_item =
views::AsViewClass<QuickInsertSectionView>(section)->GetTopItem()) {
return top_item;
}
}
return nullptr;
}
views::View* QuickInsertSectionListView::GetBottomItem() {
for (views::View* section : base::Reversed(children())) {
if (views::View* bottom_item =
views::AsViewClass<QuickInsertSectionView>(section)
->GetBottomItem()) {
return bottom_item;
}
}
return nullptr;
}
views::View* QuickInsertSectionListView::GetItemAbove(views::View* item) {
QuickInsertSectionView* section = GetSectionContaining(item);
if (section == nullptr) {
return nullptr;
}
// First check if there is an item above in the same section.
if (views::View* item_below = section->GetItemAbove(item)) {
return item_below;
}
// Otherwise, return the bottom item in a previous non-empty section if there
// is one.
for (auto section_it =
std::make_reverse_iterator(std::ranges::find(children(), section));
section_it != children().rend(); section_it = std::next(section_it)) {
if (views::View* prev_section_bottom_item =
views::AsViewClass<QuickInsertSectionView>(section_it->get())
->GetBottomItem()) {
return prev_section_bottom_item;
}
}
return nullptr;
}
views::View* QuickInsertSectionListView::GetItemBelow(views::View* item) {
QuickInsertSectionView* section = GetSectionContaining(item);
if (section == nullptr) {
return nullptr;
}
// First check if there is an item below in the same section.
if (views::View* item_below = section->GetItemBelow(item)) {
return item_below;
}
// Otherwise, return the top item in the next non-empty section if there is
// one.
for (auto section_it = std::next(std::ranges::find(children(), section));
section_it != children().end(); section_it = std::next(section_it)) {
if (views::View* next_section_top_item =
views::AsViewClass<QuickInsertSectionView>(section_it->get())
->GetTopItem()) {
return next_section_top_item;
}
}
return nullptr;
}
views::View* QuickInsertSectionListView::GetItemLeftOf(views::View* item) {
QuickInsertSectionView* section = GetSectionContaining(item);
return section != nullptr ? section->GetItemLeftOf(item) : nullptr;
}
views::View* QuickInsertSectionListView::GetItemRightOf(views::View* item) {
QuickInsertSectionView* section = GetSectionContaining(item);
return section != nullptr ? section->GetItemRightOf(item) : nullptr;
}
QuickInsertSectionView* QuickInsertSectionListView::AddSection() {
return AddChildView(std::make_unique<QuickInsertSectionView>(
section_width_, asset_fetcher_, submenu_controller_));
}
QuickInsertSectionView* QuickInsertSectionListView::AddSectionAt(size_t index) {
return AddChildViewAt(
std::make_unique<QuickInsertSectionView>(section_width_, asset_fetcher_,
submenu_controller_),
index);
}
void QuickInsertSectionListView::ClearSectionList() {
RemoveAllChildViews();
}
QuickInsertSectionView* QuickInsertSectionListView::GetSectionContaining(
views::View* item) {
for (views::View* view = item->parent(); view != nullptr;
view = view->parent()) {
if (views::IsViewClass<QuickInsertSectionView>(view) &&
view->parent() == this) {
return views::AsViewClass<QuickInsertSectionView>(view);
}
}
return nullptr;
}
BEGIN_METADATA(QuickInsertSectionListView)
END_METADATA
} // namespace ash
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