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// Copyright 2018 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/select_to_speak/select_to_speak_tray.h"
#include "ash/accessibility/accessibility_controller.h"
#include "ash/constants/tray_background_view_catalog.h"
#include "ash/resources/vector_icons/vector_icons.h"
#include "ash/session/session_controller_impl.h"
#include "ash/shell.h"
#include "ash/strings/grit/ash_strings.h"
#include "ash/style/ash_color_id.h"
#include "ash/system/tray/tray_constants.h"
#include "ash/system/tray/tray_container.h"
#include "ash/system/tray/tray_utils.h"
#include "ui/accessibility/accessibility_features.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/base/models/image_model.h"
#include "ui/color/color_id.h"
#include "ui/gfx/paint_vector_icon.h"
#include "ui/views/accessibility/view_accessibility.h"
#include "ui/views/border.h"
#include "ui/views/controls/image_view.h"
namespace views {
class ImageView;
}
namespace ash {
namespace {
ui::ImageModel GetImageOnCurrentSelectToSpeakStatus(
const SelectToSpeakState& select_to_speak_state) {
// `kSelectToSpeakStateInactive` means the tray is inactive and
// will have a different icon color. `kSelectToSpeakStateSelecting` and
// `kSelectToSpeakStateSpeaking` means the tray is active.
switch (select_to_speak_state) {
case SelectToSpeakState::kSelectToSpeakStateInactive:
return ui::ImageModel::FromVectorIcon(kSystemTraySelectToSpeakNewuiIcon,
cros_tokens::kCrosSysOnSurface);
case SelectToSpeakState::kSelectToSpeakStateSelecting:
return ui::ImageModel::FromVectorIcon(
kSystemTraySelectToSpeakActiveNewuiIcon,
cros_tokens::kCrosSysSystemOnPrimaryContainer);
case SelectToSpeakState::kSelectToSpeakStateSpeaking:
return ui::ImageModel::FromVectorIcon(
kSystemTrayStopNewuiIcon,
cros_tokens::kCrosSysSystemOnPrimaryContainer);
}
}
std::u16string GetTooltipTextOnCurrentSelectToSpeakStatus(
const SelectToSpeakState& select_to_speak_state) {
switch (select_to_speak_state) {
case SelectToSpeakState::kSelectToSpeakStateInactive:
return l10n_util::GetStringUTF16(
IDS_ASH_STATUS_TRAY_ACCESSIBILITY_SELECT_TO_SPEAK);
case SelectToSpeakState::kSelectToSpeakStateSelecting:
return l10n_util::GetStringUTF16(
IDS_ASH_STATUS_TRAY_ACCESSIBILITY_SELECT_TO_SPEAK_INSTRUCTIONS);
case SelectToSpeakState::kSelectToSpeakStateSpeaking:
return l10n_util::GetStringUTF16(
IDS_ASH_STATUS_TRAY_ACCESSIBILITY_SELECT_TO_SPEAK_STOP_INSTRUCTIONS);
}
}
} // namespace
SelectToSpeakTray::SelectToSpeakTray(Shelf* shelf,
TrayBackgroundViewCatalogName catalog_name)
: TrayBackgroundView(shelf, catalog_name) {
SetCallback(base::BindRepeating([](const ui::Event& event) {
Shell::Get()->accessibility_controller()->RequestSelectToSpeakStateChange();
}));
const ui::ImageModel inactive_image = ui::ImageModel::FromVectorIcon(
kSystemTraySelectToSpeakNewuiIcon, kColorAshIconColorPrimary);
auto icon = std::make_unique<views::ImageView>();
icon->SetImage(inactive_image);
const int vertical_padding =
(kTrayItemSize - inactive_image.Size().height()) / 2;
const int horizontal_padding =
(kTrayItemSize - inactive_image.Size().width()) / 2;
icon->SetBorder(views::CreateEmptyBorder(
gfx::Insets::VH(vertical_padding, horizontal_padding)));
icon->SetTooltipText(l10n_util::GetStringUTF16(
IDS_ASH_STATUS_TRAY_ACCESSIBILITY_SELECT_TO_SPEAK));
icon_ = tray_container()->AddChildView(std::move(icon));
// Observe the accessibility controller state changes to know when Select to
// Speak state is updated or when it is disabled/enabled.
Shell::Get()->accessibility_controller()->AddObserver(this);
GetViewAccessibility().SetName(
l10n_util::GetStringUTF16(IDS_ASH_SELECT_TO_SPEAK_TRAY_ACCESSIBLE_NAME));
}
SelectToSpeakTray::~SelectToSpeakTray() {
// This may be called during shutdown in which case some of the
// ash objects may already be destroyed.
auto* shell = Shell::Get();
if (!shell) {
return;
}
auto* accessibility_controller = shell->accessibility_controller();
if (accessibility_controller) {
accessibility_controller->RemoveObserver(this);
}
}
void SelectToSpeakTray::Initialize() {
TrayBackgroundView::Initialize();
UpdateUXOnCurrentStatus();
}
void SelectToSpeakTray::HandleLocaleChange() {
const auto select_to_speak_state =
Shell::Get()->accessibility_controller()->GetSelectToSpeakState();
icon_->SetTooltipText(
GetTooltipTextOnCurrentSelectToSpeakStatus(select_to_speak_state));
}
void SelectToSpeakTray::OnThemeChanged() {
TrayBackgroundView::OnThemeChanged();
UpdateIconOnColorChanges();
}
void SelectToSpeakTray::OnAccessibilityStatusChanged() {
UpdateUXOnCurrentStatus();
}
void SelectToSpeakTray::OnSessionStateChanged(
session_manager::SessionState state) {
UpdateIconOnColorChanges();
}
void SelectToSpeakTray::UpdateUXOnCurrentStatus() {
auto* accessibility_controller = Shell::Get()->accessibility_controller();
if (!accessibility_controller->select_to_speak().enabled()) {
SetVisiblePreferred(false);
return;
}
const auto select_to_speak_state =
accessibility_controller->GetSelectToSpeakState();
icon_->SetImage(GetImageOnCurrentSelectToSpeakStatus(select_to_speak_state));
icon_->SetTooltipText(
GetTooltipTextOnCurrentSelectToSpeakStatus(select_to_speak_state));
SetIsActive(accessibility_controller->GetSelectToSpeakState() !=
SelectToSpeakState::kSelectToSpeakStateInactive);
SetVisiblePreferred(true);
}
void SelectToSpeakTray::UpdateIconOnColorChanges() {
auto* accessibility_controller = Shell::Get()->accessibility_controller();
if (!visible_preferred() ||
!accessibility_controller->select_to_speak().enabled()) {
return;
}
const auto select_to_speak_state =
accessibility_controller->GetSelectToSpeakState();
icon_->SetImage(GetImageOnCurrentSelectToSpeakStatus(select_to_speak_state));
}
BEGIN_METADATA(SelectToSpeakTray);
END_METADATA
} // namespace ash
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