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// Copyright 2020 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/ambient/ui/glanceable_info_view.h"
#include <memory>
#include <string>
#include "ash/ambient/model/ambient_backend_model.h"
#include "ash/ambient/ui/ambient_view_delegate.h"
#include "ash/ambient/ui/ambient_view_ids.h"
#include "ash/ambient/util/ambient_util.h"
#include "ash/shell.h"
#include "ash/strings/grit/ash_strings.h"
#include "ash/system/model/clock_model.h"
#include "ash/system/model/system_tray_model.h"
#include "ash/system/time/time_view.h"
#include "ash/system/tray/tray_constants.h"
#include "base/i18n/number_formatting.h"
#include "base/strings/utf_string_conversions.h"
#include "third_party/skia/include/core/SkColor.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/color/color_id.h"
#include "ui/compositor/layer.h"
#include "ui/gfx/font_list.h"
#include "ui/gfx/geometry/insets.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/image/image_skia.h"
#include "ui/gfx/image/image_skia_operations.h"
#include "ui/views/background.h"
#include "ui/views/border.h"
#include "ui/views/controls/image_view.h"
#include "ui/views/controls/label.h"
#include "ui/views/layout/box_layout.h"
#include "ui/views/view.h"
namespace ash {
namespace {
// Appearance.
constexpr int kSpacingBetweenTimeAndWeatherDip = 24;
constexpr int kSpacingBetweenWeatherIconAndTempDip = 8;
constexpr int kWeatherIconSizeDip = 32;
// Typography.
constexpr int kDefaultFontSizeDip = 64;
constexpr int kWeatherTemperatureFontSizeDip = 32;
// Returns the fontlist used for the time text.
gfx::FontList GetTimeFontList(int font_size_dip) {
int font_size_delta = font_size_dip - kDefaultFontSizeDip;
return font_size_delta == 0
? ambient::util::GetDefaultFontlist()
: ambient::util::GetDefaultFontlist().DeriveWithSizeDelta(
font_size_delta);
}
// Returns the fontlist used for the temperature text.
gfx::FontList GetWeatherTemperatureFontList() {
int temperature_font_size_delta =
kWeatherTemperatureFontSizeDip - kDefaultFontSizeDip;
return ambient::util::GetDefaultFontlist().DeriveWithSizeDelta(
temperature_font_size_delta);
}
int GetFontDescent(const gfx::FontList& font_list) {
return font_list.GetHeight() - font_list.GetBaseline();
}
int GetTemperatureFontDescent() {
return GetWeatherTemperatureFontList().GetHeight() -
GetWeatherTemperatureFontList().GetBaseline();
}
} // namespace
GlanceableInfoView::GlanceableInfoView(
AmbientViewDelegate* delegate,
GlanceableInfoView::Delegate* glanceable_info_view_delegate,
int time_font_size_dip,
bool add_text_shadow)
: delegate_(delegate),
glanceable_info_view_delegate_(glanceable_info_view_delegate),
time_font_size_dip_(time_font_size_dip),
add_text_shadow_(add_text_shadow) {
DCHECK(delegate);
DCHECK_GT(time_font_size_dip_, 0);
SetID(AmbientViewID::kAmbientGlanceableInfoView);
auto* weather_model = delegate_->GetAmbientWeatherModel();
scoped_weather_model_observer_.Observe(weather_model);
InitLayout();
if (!weather_model->weather_condition_icon().isNull()) {
// already has weather info, show immediately.
ShowWeather();
}
}
GlanceableInfoView::~GlanceableInfoView() = default;
void GlanceableInfoView::OnWeatherInfoUpdated() {
ShowWeather();
}
void GlanceableInfoView::OnThemeChanged() {
views::View::OnThemeChanged();
time_view_->SetTextColor(
glanceable_info_view_delegate_->GetTimeTemperatureFontColor(),
/*auto_color_readability_enabled=*/false);
temperature_->SetEnabledColor(
glanceable_info_view_delegate_->GetTimeTemperatureFontColor());
if (add_text_shadow_) {
gfx::ShadowValues text_shadow_values =
ambient::util::GetTextShadowValues(GetColorProvider());
time_view_->SetTextShadowValues(text_shadow_values);
temperature_->SetShadows(text_shadow_values);
}
}
void GlanceableInfoView::ShowWeather() {
AmbientWeatherModel* weather_model = delegate_->GetAmbientWeatherModel();
// Hide the weather info when the model is incomplete.
if (weather_model->IsIncomplete()) {
temperature_->SetText(std::u16string());
weather_condition_icon_->SetImage(ui::ImageModel());
return;
}
// When ImageView has an |image_| with different size than the |image_size_|,
// it will resize and draw the |image_|. The quality is not as good as if we
// resize the |image_| to be the same as the |image_size_| with |RESIZE_BEST|
// method.
gfx::ImageSkia icon = weather_model->weather_condition_icon();
gfx::ImageSkia icon_resized = gfx::ImageSkiaOperations::CreateResizedImage(
icon, skia::ImageOperations::RESIZE_BEST,
gfx::Size(kWeatherIconSizeDip, kWeatherIconSizeDip));
weather_condition_icon_->SetImage(
ui::ImageModel::FromImageSkia(icon_resized));
temperature_->SetText(GetTemperatureText());
}
std::u16string GlanceableInfoView::GetTemperatureText() const {
AmbientWeatherModel* weather_model = delegate_->GetAmbientWeatherModel();
if (weather_model->show_celsius()) {
return l10n_util::GetStringFUTF16Int(
IDS_ASH_AMBIENT_MODE_WEATHER_TEMPERATURE_IN_CELSIUS,
static_cast<int>(weather_model->GetTemperatureInCelsius()));
}
return l10n_util::GetStringFUTF16Int(
IDS_ASH_AMBIENT_MODE_WEATHER_TEMPERATURE_IN_FAHRENHEIT,
static_cast<int>(weather_model->temperature_fahrenheit()));
}
bool GlanceableInfoView::IsWeatherConditionIconSetForTesting() const {
return !weather_condition_icon_->GetImage().isNull();
}
bool GlanceableInfoView::IsTemperatureSetForTesting() const {
return !temperature_->GetText().empty();
}
void GlanceableInfoView::InitLayout() {
// The children of |GlanceableInfoView| will be drawn on their own
// layer instead of the layer of |PhotoView| with a solid black background.
SetPaintToLayer();
layer()->SetFillsBoundsOpaquely(false);
views::BoxLayout* layout =
SetLayoutManager(std::make_unique<views::BoxLayout>(
views::BoxLayout::Orientation::kHorizontal));
layout->set_main_axis_alignment(views::BoxLayout::MainAxisAlignment::kStart);
layout->set_cross_axis_alignment(views::BoxLayout::CrossAxisAlignment::kEnd);
gfx::Insets shadow_insets;
if (add_text_shadow_) {
shadow_insets = gfx::ShadowValue::GetMargin(
ambient::util::GetTextShadowValues(nullptr));
}
// Inits the time view.
time_view_ = AddChildView(
std::make_unique<TimeView>(TimeView::ClockLayout::HORIZONTAL_CLOCK,
Shell::Get()->system_tray_model()->clock()));
gfx::FontList time_font_list = GetTimeFontList(time_font_size_dip_);
time_view_->SetTextFont(time_font_list);
// Remove the internal spacing in `time_view_` and adjust spacing for shadows.
time_view_->SetBorder(views::CreateEmptyBorder(gfx::Insets::TLBR(
-kUnifiedTrayTextTopPadding, -kUnifiedTrayTimeLeftPadding, 0,
kSpacingBetweenTimeAndWeatherDip + shadow_insets.right())));
// Inits the icon view.
weather_condition_icon_ = AddChildView(std::make_unique<views::ImageView>());
const gfx::Size size = gfx::Size(kWeatherIconSizeDip, kWeatherIconSizeDip);
weather_condition_icon_->SetSize(size);
weather_condition_icon_->SetImageSize(size);
constexpr int kIconInternalPaddingDip = 4;
weather_condition_icon_->SetBorder(views::CreateEmptyBorder(gfx::Insets::TLBR(
0, 0,
GetFontDescent(time_font_list) - shadow_insets.bottom() -
kIconInternalPaddingDip,
kSpacingBetweenWeatherIconAndTempDip + shadow_insets.left())));
// Inits the temp view.
temperature_ = AddChildView(std::make_unique<views::Label>());
temperature_->SetAutoColorReadabilityEnabled(false);
temperature_->SetFontList(GetWeatherTemperatureFontList());
temperature_->SetBorder(views::CreateEmptyBorder(gfx::Insets::TLBR(
0, 0, GetFontDescent(time_font_list) - GetTemperatureFontDescent(), 0)));
}
int GlanceableInfoView::GetTimeFontDescent() {
return GetFontDescent(GetTimeFontList(time_font_size_dip_));
}
BEGIN_METADATA(GlanceableInfoView)
END_METADATA
} // namespace ash
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