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// Copyright 2022 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/capture_mode/key_item_view.h"
#include <memory>
#include "ash/capture_mode/capture_mode_util.h"
#include "chromeos/constants/chromeos_features.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/base/models/image_model.h"
#include "ui/chromeos/styles/cros_tokens_color_mappings.h"
#include "ui/color/color_id.h"
#include "ui/color/color_provider.h"
#include "ui/compositor/layer.h"
#include "ui/gfx/font_list.h"
#include "ui/gfx/geometry/insets.h"
#include "ui/gfx/geometry/size.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/highlight_border.h"
#include "ui/views/widget/widget.h"
namespace ash {
namespace {
constexpr int kKeyItemMinWidth = 56;
constexpr int kKeyItemHeight = 56;
constexpr int kKeyItemVerticalPadding = 16;
constexpr int kKeyItemHorizontalPadding = 20;
constexpr gfx::Size kIconSize{20, 20};
constexpr char kGoogleSansFont[] = "Google Sans";
constexpr int kKeyItemViewFontSize = 18;
constexpr int kKeyItemViewLineHeight = 24;
SkColor GetColor() {
return capture_mode_util::GetColorProviderForNativeTheme()->GetColor(
cros_tokens::kCrosSysSystemBaseElevated);
}
} // namespace
KeyItemView::KeyItemView(ui::KeyboardCode key_code)
: key_code_(key_code),
shadow_(SystemShadow::CreateShadowOnTextureLayer(
SystemShadow::Type::kElevation4)) {
SetPaintToLayer();
SetBackground(
views::CreateRoundedRectBackground(GetColor(), kKeyItemHeight / 2));
layer()->SetFillsBoundsOpaquely(false);
capture_mode_util::SetHighlightBorder(
this, kKeyItemHeight / 2,
views::HighlightBorder::Type::kHighlightBorderOnShadow);
shadow_->SetRoundedCornerRadius(kKeyItemHeight / 2);
}
KeyItemView::~KeyItemView() = default;
void KeyItemView::AddedToWidget() {
// Since the layer of the shadow has to be added as a sibling to this view's
// layer, we need to wait until the view is added to the widget.
auto* parent = layer()->parent();
parent->Add(shadow_->GetLayer());
parent->StackAtBottom(shadow_->GetLayer());
// Make the shadow observe the color provider source change to update the
// colors.
shadow_->ObserveColorProviderSource(GetWidget());
}
void KeyItemView::OnBoundsChanged(const gfx::Rect& previous_bounds) {
// The shadow layer is a sibling of this view's layer, and should have the
// same bounds. Need to update the location of the shadow when the key items
// in the combo change position and/or size.
shadow_->SetContentBounds(layer()->bounds());
}
void KeyItemView::OnThemeChanged() {
views::View::OnThemeChanged();
GetBackground()->SetColor(GetColor());
SchedulePaint();
}
void KeyItemView::Layout(PassKey) {
const auto bounds = GetContentsBounds();
if (icon_) {
icon_->SetBoundsRect(bounds);
}
if (label_) {
label_->SetBoundsRect(bounds);
}
}
gfx::Size KeyItemView::CalculatePreferredSize(
const views::SizeBounds& available_size) const {
// Return the fixed size if the key item contains icon or label with a single
// character.
if (icon_ || (label_ && label_->GetText().length() == 1)) {
return gfx::Size(kKeyItemMinWidth, kKeyItemHeight);
}
int width = 0;
for (const views::View* child : children()) {
const auto child_size = child->GetPreferredSize();
width += child_size.width();
}
width = std::max(width, kKeyItemMinWidth);
return gfx::Size(width, kKeyItemHeight);
}
void KeyItemView::SetIcon(const gfx::VectorIcon& icon) {
if (!icon_) {
icon_ = AddChildView(std::make_unique<views::ImageView>());
icon_->SetHorizontalAlignment(views::ImageView::Alignment::kCenter);
icon_->SetVerticalAlignment(views::ImageView::Alignment::kCenter);
}
icon_->SetImage(
ui::ImageModel::FromVectorIcon(icon, cros_tokens::kCrosSysOnSurface));
icon_->SetImageSize(kIconSize);
}
void KeyItemView::SetText(const std::u16string& text) {
if (!label_) {
label_ = AddChildView(std::make_unique<views::Label>());
label_->SetEnabledColor(cros_tokens::kCrosSysOnSurface);
label_->SetElideBehavior(gfx::ElideBehavior::NO_ELIDE);
label_->SetFontList(gfx::FontList({kGoogleSansFont}, gfx::Font::NORMAL,
kKeyItemViewFontSize,
gfx::Font::Weight::MEDIUM));
label_->SetLineHeight(kKeyItemViewLineHeight);
}
// Set the border only when necessary which is the multi-character case and
// clear the border for the single-character case in case the border was set
// with the multi-character settings before.
label_->SetBorder(
text.length() == 1
? nullptr
: views::CreateEmptyBorder(gfx::Insets::VH(
kKeyItemVerticalPadding, kKeyItemHorizontalPadding)));
label_->SetText(text);
}
BEGIN_METADATA(KeyItemView)
END_METADATA
} // namespace ash
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