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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 "chrome/browser/ui/views/page_info/star_rating_view.h"
#include <cmath>
#include <string_view>
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/ui/color/chrome_color_id.h"
#include "chrome/browser/ui/layout_constants.h"
#include "chrome/browser/ui/views/accessibility/non_accessible_image_view.h"
#include "components/omnibox/browser/vector_icons.h"
#include "components/vector_icons/vector_icons.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/gfx/vector_icon_types.h"
#include "ui/views/controls/label.h"
#include "ui/views/layout/layout_provider.h"
#include "ui/views/view_class_properties.h"
StarRatingView::StarRatingView() {
SetOrientation(views::BoxLayout::Orientation::kHorizontal);
SetCrossAxisAlignment(views::BoxLayout::CrossAxisAlignment::kCenter);
rating_label_ = AddChildView(std::make_unique<views::Label>());
rating_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
rating_label_->SetTextStyle(views::style::TextStyle::STYLE_BODY_4);
rating_label_->SetEnabledColor(kColorPageInfoSubtitleForeground);
const int distance_between_label_icons =
views::LayoutProvider::Get()->GetDistanceMetric(
views::DISTANCE_VECTOR_ICON_PADDING);
rating_label_->SetProperty(
views::kMarginsKey,
gfx::Insets::TLBR(0, 0, 0, distance_between_label_icons));
for (int i = 0; i < kStarCount; i++) {
star_views_.push_back(
AddChildView(std::make_unique<NonAccessibleImageView>()));
}
}
StarRatingView::~StarRatingView() = default;
void StarRatingView::SetRating(double rating) {
CHECK_LE(rating, kStarCount);
// Round the rating to one decimal point to match the display value.
// (Example: 3.97 will be rounded to 4.0 and should be displayed as 4 full
// stars).
double rounded_rating = std::round(rating * 10.0) / 10.0;
rating_label_->SetText(base::UTF8ToUTF16(base::StringPrintf("%.1f", rating)));
for (int i = 0; i < kStarCount; i++) {
star_views_[i]->SetImage(GetImageModel(rounded_rating, i));
}
}
ui::VectorIconModel StarRatingView::GetVectorIconModelForIndexForTesting(
int index) const {
return star_views_[index]->GetImageModel().GetVectorIcon();
}
std::u16string_view StarRatingView::GetTextForTesting() const {
return rating_label_->GetText();
}
ui::ImageModel StarRatingView::GetImageModel(double rating, int index) {
const int icon_size = GetLayoutConstant(STAR_RATING_ICON_SIZE);
double rest;
if (rating >= index + 1) {
// Full icon.
return ui::ImageModel::FromVectorIcon(vector_icons::kStarIcon,
kColorStarRatingFullIcon, icon_size);
} else if (rating >= index && std::modf(rating, &rest) >= 0.5) {
// Half icon.
return ui::ImageModel::FromVectorIcon(vector_icons::kStarHalfIcon,
kColorStarRatingFullIcon, icon_size);
}
// Empty icon.
return ui::ImageModel::FromVectorIcon(vector_icons::kStarIcon,
kColorStarRatingEmptyIcon, icon_size);
}
BEGIN_METADATA(StarRatingView)
END_METADATA
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