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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 <string>
#include "ash/system/accessibility/accessibility_feature_pod_controller.h"
#include "ash/accessibility/accessibility_controller.h"
#include "ash/accessibility/accessibility_delegate.h"
#include "ash/constants/quick_settings_catalogs.h"
#include "ash/public/cpp/ash_view_ids.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/system/unified/feature_tile.h"
#include "ash/system/unified/quick_settings_metrics_util.h"
#include "ash/system/unified/unified_system_tray_controller.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/gfx/font_list.h"
#include "ui/gfx/text_constants.h"
#include "ui/gfx/text_elider.h"
#include "ui/gfx/text_utils.h"
#include "ui/views/controls/label.h"
namespace ash {
namespace {
std::u16string GenerateSublabelText(
std::vector<AccessibilityController::Feature*> enabled_features,
int max_width,
gfx::FontList font_list) {
CHECK(!enabled_features.empty());
std::u16string feature_name =
l10n_util::GetStringUTF16(enabled_features.front()->name_resource_id());
if (enabled_features.size() == 1) {
return feature_name;
}
std::u16string separator = l10n_util::GetStringUTF16(
IDS_ASH_STATUS_TRAY_ACCESSIBILITY_ENABLED_FEATURES_SEPARATOR);
std::u16string count_label =
base::NumberToString16(enabled_features.size() - 1);
int available_width_for_feature_name =
max_width - gfx::GetStringWidth(std::u16string(gfx::kEllipsisUTF16) +
separator + count_label,
font_list);
// Elide the first enabled feature's name if necessary and then append the
// number of other enabled features. This is to ensure the number is
// always visible.
std::u16string label = gfx::ElideText(feature_name, gfx::FontList(),
available_width_for_feature_name,
gfx::ElideBehavior::ELIDE_TAIL);
return base::JoinString({label, count_label}, separator);
}
std::u16string GenerateTooltipText(
std::vector<AccessibilityController::Feature*> enabled_features) {
if (enabled_features.empty()) {
return l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_ACCESSIBILITY_TOOLTIP);
}
std::u16string first_feature_name =
l10n_util::GetStringUTF16(enabled_features.front()->name_resource_id());
std::u16string separator = l10n_util::GetStringUTF16(
IDS_ASH_STATUS_TRAY_ACCESSIBILITY_ENABLED_FEATURES_SEPARATOR);
std::u16string enabled_features_string =
enabled_features.size() == 1
? first_feature_name
: base::JoinString(
{first_feature_name,
base::NumberToString16(enabled_features.size() - 1)},
separator);
return l10n_util::GetStringFUTF16(
IDS_ASH_STATUS_TRAY_ACCESSIBILITY_TOGGLED_TOOLTIP,
enabled_features_string);
}
} // namespace
AccessibilityFeaturePodController::AccessibilityFeaturePodController(
UnifiedSystemTrayController* tray_controller)
: tray_controller_(tray_controller) {
Shell::Get()->accessibility_controller()->AddObserver(this);
}
AccessibilityFeaturePodController::~AccessibilityFeaturePodController() {
Shell::Get()->accessibility_controller()->RemoveObserver(this);
}
void AccessibilityFeaturePodController::OnAccessibilityStatusChanged() {
UpdateTileStateIfExists();
}
std::unique_ptr<FeatureTile> AccessibilityFeaturePodController::CreateTile(
bool compact) {
// Should not create the A11y tile if it already exists. Currently it's only
// created once and used in the qs bubble.
CHECK(!tile_);
auto feature_tile = std::make_unique<FeatureTile>(
base::BindRepeating(&FeaturePodControllerBase::OnIconPressed,
weak_ptr_factory_.GetWeakPtr()));
feature_tile->SetVectorIcon(kUnifiedMenuAccessibilityIcon);
feature_tile->SetLabel(
l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_ACCESSIBILITY));
feature_tile->SetSubLabelVisibility(false);
feature_tile->CreateDecorativeDrillInArrow();
// The labels are created based on the title container size. So the label need
// to be updated if the bounds of its container is changed. Even without
// manually calling `SetSize` for the container, its bounds can still change
// after the label is created. For example, when the labels are created, the
// title container might not be rendered yet. It uses 0 as the size to create
// the label first. Then after the container is rendered, it will be updated
// to the actual size.
feature_tile->SetOnTitleBoundsChangedCallback(base::BindRepeating(
&AccessibilityFeaturePodController::UpdateTileStateIfExists,
weak_ptr_factory_.GetWeakPtr()));
AccessibilityDelegate* delegate = Shell::Get()->accessibility_delegate();
LoginStatus login_status = Shell::Get()->session_controller()->login_status();
const bool visible = login_status == LoginStatus::NOT_LOGGED_IN ||
login_status == LoginStatus::LOCKED ||
delegate->ShouldShowAccessibilityMenu();
feature_tile->SetVisible(visible);
if (visible) {
TrackVisibilityUMA();
}
tile_ = feature_tile.get();
UpdateTileStateIfExists();
return feature_tile;
}
QsFeatureCatalogName AccessibilityFeaturePodController::GetCatalogName() {
return QsFeatureCatalogName::kAccessibility;
}
void AccessibilityFeaturePodController::OnIconPressed() {
TrackDiveInUMA();
tray_controller_->ShowAccessibilityDetailedView();
}
void AccessibilityFeaturePodController::UpdateTileStateIfExists() {
if (!tile_) {
return;
}
auto enabled_features = Shell::Get()
->accessibility_controller()
->GetEnabledFeaturesInQuickSettings();
bool toggled = !enabled_features.empty();
tile_->SetToggled(toggled);
tile_->SetTooltipText(GenerateTooltipText(enabled_features));
tile_->SetSubLabelVisibility(toggled);
if (toggled) {
tile_->SetSubLabel(GenerateSublabelText(enabled_features,
tile_->GetSubLabelMaxWidth(),
tile_->sub_label()->font_list()));
tile_->sub_label()->SetElideBehavior(enabled_features.size() == 1
? gfx::ElideBehavior::ELIDE_TAIL
: gfx::ElideBehavior::NO_ELIDE);
}
}
} // namespace ash
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