// 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/wm/window_restore/informed_restore_items_overflow_view.h"
#include "ash/shell.h"
#include "ash/strings/grit/ash_strings.h"
#include "ash/style/typography.h"
#include "ash/wm/window_restore/informed_restore_app_image_view.h"
#include "ash/wm/window_restore/informed_restore_constants.h"
#include "base/i18n/number_formatting.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/chromeos/styles/cros_tokens_color_mappings.h"
#include "ui/views/background.h"
#include "ui/views/controls/label.h"
namespace ash {
namespace {
constexpr int kOverflowMaxElements = 7;
constexpr int kOverflowMaxThreshold = kOverflowMaxElements - 1;
constexpr int kOverflowTriangleElements = 6;
constexpr int kOverflowIconSpacing = 2;
constexpr int kOverflowBackgroundRounding = 20;
constexpr int kOverflowCountBackgroundRounding = 9;
constexpr gfx::Size kOverflowCountPreferredSize(18, 18);
} // namespace
InformedRestoreItemsOverflowView::InformedRestoreItemsOverflowView(
const InformedRestoreContentsData::AppsInfos& apps_infos) {
const int num_elements = static_cast<int>(apps_infos.size());
CHECK_GT(num_elements, informed_restore::kMaxItems);
// TODO(hewer): Fix margins so the icons and text are aligned with
// `InformedRestoreItemView` elements.
SetBetweenChildSpacing(informed_restore::kItemChildSpacing);
SetCrossAxisAlignment(views::BoxLayout::CrossAxisAlignment::kCenter);
SetID(informed_restore::kOverflowViewID);
SetOrientation(views::BoxLayout::Orientation::kHorizontal);
auto add_inner_box_layout_view =
[](views::BoxLayoutView* outer_box) -> views::BoxLayoutView* {
views::BoxLayoutView* inner_box =
outer_box->AddChildView(std::make_unique<views::BoxLayoutView>());
inner_box->SetOrientation(views::BoxLayout::Orientation::kHorizontal);
inner_box->SetBetweenChildSpacing(kOverflowIconSpacing);
inner_box->SetMainAxisAlignment(
views::BoxLayout::MainAxisAlignment::kCenter);
inner_box->SetCrossAxisAlignment(
views::BoxLayout::CrossAxisAlignment::kStretch);
return inner_box;
};
// Create a series of `BoxLayoutView`s to represent a 1x2 row, a triangle
// with one element on top and two on the bottom, or a 2x2 box. The triangle
// is specific to the 3-window overflow case, and is why we prefer a
// `BoxLayout` over a `TableLayout` to keep things uniform.
views::BoxLayoutView* outer_box_view;
views::BoxLayoutView* top_row_view;
views::BoxLayoutView* bottom_row_view = nullptr;
AddChildView(
views::Builder<views::BoxLayoutView>()
.CopyAddressTo(&outer_box_view)
.SetOrientation(views::BoxLayout::Orientation::kVertical)
.SetCrossAxisAlignment(views::BoxLayout::CrossAxisAlignment::kCenter)
.SetBackground(views::CreateThemedRoundedRectBackground(
informed_restore::kIconBackgroundColorId,
kOverflowBackgroundRounding))
.Build());
top_row_view = add_inner_box_layout_view(outer_box_view);
top_row_view->SetID(informed_restore::kOverflowTopRowViewID);
// Populate the `BoxLayoutView`s with window icons or a count of any excess
// windows.
for (int i = informed_restore::kOverflowMinThreshold; i < num_elements; ++i) {
// If there are 5 or more overflow windows, save the last spot in the
// bottom row to count the remaining windows.
if (num_elements > kOverflowMaxElements && i >= kOverflowMaxThreshold) {
views::Label* count_label;
bottom_row_view->AddChildView(
views::Builder<views::Label>()
.CopyAddressTo(&count_label)
// TODO(hewer): Cut off the maximum number of digits to
// display.
.SetText(base::FormatNumber(num_elements - kOverflowMaxThreshold))
.SetPreferredSize(kOverflowCountPreferredSize)
.SetEnabledColorId(cros_tokens::kCrosSysOnPrimaryContainer)
.SetBackground(views::CreateThemedRoundedRectBackground(
cros_tokens::kCrosSysPrimaryContainer,
kOverflowCountBackgroundRounding))
.Build());
TypographyProvider::Get()->StyleLabel(TypographyToken::kCrosLabel2,
*count_label);
break;
}
// The bottom row is needed once:
// - `num_elements` == `kOverflowTriangleElements` and `top_row_view` has
// 1 element. This is to achieve the triangle layout.
// - `top_row_view` has 2 elements otherwise.
if ((num_elements == kOverflowTriangleElements &&
top_row_view->children().size() == 1u) ||
top_row_view->children().size() == 2u) {
if (!bottom_row_view) {
bottom_row_view = add_inner_box_layout_view(outer_box_view);
bottom_row_view->SetID(informed_restore::kOverflowBottomRowViewID);
}
}
views::BoxLayoutView* row_view =
bottom_row_view ? bottom_row_view : top_row_view;
auto image_view = std::make_unique<InformedRestoreAppImageView>(
apps_infos[i].app_id, InformedRestoreAppImageView::Type::kOverflow,
base::DoNothing());
image_view->SetID(informed_restore::kOverflowImageViewID);
row_view->AddChildView(std::move(image_view));
}
// If there are no children in the bottom row inner box layout view, we have
// two overflow icons. In this case, remove the between child spacing, and add
// padding so that the size of the outer box layout will be the same as if
// there were three or more overflow icons.
if (bottom_row_view) {
outer_box_view->SetBetweenChildSpacing(kOverflowIconSpacing);
} else {
const int padding_height =
(informed_restore::kOverflowIconPreferredSize.height() +
kOverflowIconSpacing) /
2;
outer_box_view->SetBetweenChildSpacing(0);
outer_box_view->SetInsideBorderInsets(gfx::Insets::VH(padding_height, 0));
}
// Add a text label displaying the count of the remaining windows.
views::Label* remaining_windows_label;
AddChildView(views::Builder<views::Label>()
.CopyAddressTo(&remaining_windows_label)
.SetEnabledColorId(informed_restore::kItemTextColorId)
.SetHorizontalAlignment(gfx::ALIGN_LEFT)
.SetText(l10n_util::GetStringFUTF16Int(
IDS_ASH_INFORMED_RESTORE_WINDOW_OVERFLOW_COUNT,
num_elements - informed_restore::kOverflowMinThreshold))
.Build());
TypographyProvider::Get()->StyleLabel(TypographyToken::kCrosButton2,
*remaining_windows_label);
SetFlexForView(remaining_windows_label, 1);
}
InformedRestoreItemsOverflowView::~InformedRestoreItemsOverflowView() = default;
BEGIN_METADATA(InformedRestoreItemsOverflowView)
END_METADATA
} // namespace ash
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