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// Copyright 2025 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/system/accessibility/mouse_keys/mouse_keys_bubble_view.h"
#include <memory>
#include <string_view>
#include <vector>
#include "ash/public/cpp/accessibility_controller_enums.h"
#include "ash/public/cpp/shell_window_ids.h"
#include "ash/resources/vector_icons/vector_icons.h"
#include "ash/shell.h"
#include "ash/style/ash_color_id.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/views/accessibility/view_accessibility.h"
namespace ash {
namespace {
constexpr int kIconSizeDip = 16;
constexpr int kSpaceBetweenIconAndTextDip = 4;
std::unique_ptr<views::ImageView> CreateImageView(
const gfx::VectorIcon& icon,
raw_ptr<views::ImageView>* destination_view) {
return views::Builder<views::ImageView>()
.SetImage(ui::ImageModel::FromVectorIcon(icon, kColorAshTextColorPrimary,
kIconSizeDip))
.CopyAddressTo(destination_view)
.Build();
}
std::unique_ptr<views::Label> CreateLabelView(
const std::u16string& text,
ui::ColorId enabled_color_id,
raw_ptr<views::Label>* destination_view) {
return views::Builder<views::Label>()
.SetText(text)
.SetEnabledColor(enabled_color_id)
.SetHorizontalAlignment(gfx::HorizontalAlignment::ALIGN_LEFT)
.SetMultiLine(false)
.CopyAddressTo(destination_view)
.Build();
}
aura::Window* FindRootWindowAtMousePosition() {
auto* screen = display::Screen::GetScreen();
CHECK(screen);
auto display = screen->GetDisplayNearestPoint(screen->GetCursorScreenPoint());
return Shell::GetRootWindowForDisplayId(display.id());
}
} // namespace
MouseKeysBubbleView::MouseKeysBubbleView() {
SetButtons(static_cast<int>(ui::mojom::DialogButton::kNone));
auto* screen = display::Screen::GetScreen();
CHECK(screen);
auto display = screen->GetDisplayNearestPoint(screen->GetCursorScreenPoint());
set_parent_window(
Shell::GetContainer(FindRootWindowAtMousePosition(),
kShellWindowId_AccessibilityBubbleContainer));
// Set layout.
std::unique_ptr<views::BoxLayout> layout = std::make_unique<views::BoxLayout>(
views::BoxLayout::Orientation::kHorizontal);
layout->set_between_child_spacing(kSpaceBetweenIconAndTextDip);
SetLayoutManager(std::move(layout));
UseCompactMargins();
// Add icons.
AddChildView(
CreateImageView(kSystemMenuMouseIcon, &mouse_button_change_icon_));
AddChildView(CreateImageView(kMouseKeysDragIcon, &mouse_drag_icon_));
// Add label.
AddChildView(
CreateLabelView(std::u16string(), kColorAshTextColorPrimary, &label_));
GetViewAccessibility().SetRole(ax::mojom::Role::kGenericContainer);
// Note: this static variable is used so that this view can be identified
// from tests. Do not change this, as it will cause test failures.
GetViewAccessibility().SetClassName("MouseKeysBubbleView");
}
MouseKeysBubbleView::~MouseKeysBubbleView() = default;
void MouseKeysBubbleView::Update(MouseKeysBubbleIconType icon,
const std::optional<std::u16string>& text) {
// Update icon visibility.
mouse_button_change_icon_->SetVisible(
icon == MouseKeysBubbleIconType::kButtonChanged);
mouse_drag_icon_->SetVisible(icon == MouseKeysBubbleIconType::kMouseDrag);
// Update label.
label_->SetVisible(text.has_value());
label_->SetText(text.has_value() ? text.value() : std::u16string());
SizeToPreferredSize();
SizeToContents();
}
void MouseKeysBubbleView::OnBeforeBubbleWidgetInit(
views::Widget::InitParams* params,
views::Widget* widget) const {
params->type = views::Widget::InitParams::TYPE_BUBBLE;
params->opacity = views::Widget::InitParams::WindowOpacity::kTranslucent;
params->activatable = views::Widget::InitParams::Activatable::kNo;
params->shadow_type = views::Widget::InitParams::ShadowType::kDrop;
params->name = "MouseKeysBubbleView";
}
std::u16string_view MouseKeysBubbleView::GetTextForTesting() const {
return label_->GetText();
}
views::ImageView* MouseKeysBubbleView::GetMouseButtonChangeIconForTesting()
const {
return mouse_button_change_icon_;
}
views::ImageView* MouseKeysBubbleView::GetMouseDragIconForTesting() const {
return mouse_drag_icon_;
}
BEGIN_METADATA(MouseKeysBubbleView)
END_METADATA
} // namespace ash
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