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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ash/eche_app/eche_app_accessibility_provider_proxy.h"
#include "chrome/browser/ash/accessibility/accessibility_manager.h"
#include "chrome/browser/ash/accessibility/magnification_manager.h"
namespace ash::eche_app {
EcheAppAccessibilityProviderProxy::EcheAppAccessibilityProviderProxy()
: was_accessibility_enabled_(IsAccessibilityEnabled()) {}
EcheAppAccessibilityProviderProxy::~EcheAppAccessibilityProviderProxy() =
default;
void EcheAppAccessibilityProviderProxy::OnAccessibilityStatusChanged(
const ash::AccessibilityStatusEventDetails& event_details) {
if (event_details.notification_type !=
AccessibilityNotificationType::kToggleFocusHighlight &&
event_details.notification_type !=
AccessibilityNotificationType::kToggleSelectToSpeak &&
event_details.notification_type !=
AccessibilityNotificationType::kToggleSpokenFeedback &&
event_details.notification_type !=
AccessibilityNotificationType::kToggleSwitchAccess &&
event_details.notification_type !=
AccessibilityNotificationType::kToggleDockedMagnifier &&
event_details.notification_type !=
AccessibilityNotificationType::kToggleScreenMagnifier) {
return;
}
UpdateEnabledFeature();
// Check if the state of accessibility has changed.
bool is_accessibility_enabled = IsAccessibilityEnabled();
if (!is_accessibility_enabled == was_accessibility_enabled_) {
was_accessibility_enabled_ = is_accessibility_enabled;
if (accessibility_state_changed_callback_.has_value()) {
accessibility_state_changed_callback_->Run(is_accessibility_enabled);
}
}
if (event_details.notification_type ==
AccessibilityNotificationType::kToggleSpokenFeedback) {
if (explore_by_touch_state_changed_callback_.has_value()) {
explore_by_touch_state_changed_callback_->Run(event_details.enabled);
}
}
}
ax::android::mojom::AccessibilityFilterType
EcheAppAccessibilityProviderProxy::GetFilterType() {
AccessibilityManager* accessibility_manager = AccessibilityManager::Get();
const MagnificationManager* magnification_manager =
MagnificationManager::Get();
if (!accessibility_manager || !magnification_manager) {
return ax::android::mojom::AccessibilityFilterType::OFF;
}
if (accessibility_manager->IsSelectToSpeakEnabled() ||
accessibility_manager->IsSwitchAccessEnabled() ||
accessibility_manager->IsSpokenFeedbackEnabled() ||
magnification_manager->IsMagnifierEnabled() ||
magnification_manager->IsDockedMagnifierEnabled()) {
return ax::android::mojom::AccessibilityFilterType::ALL;
}
if (accessibility_manager->IsFocusHighlightEnabled()) {
return ax::android::mojom::AccessibilityFilterType::FOCUS;
}
return ax::android::mojom::AccessibilityFilterType::OFF;
}
bool EcheAppAccessibilityProviderProxy::UseFullFocusMode() {
return use_full_focus_mode_;
}
bool EcheAppAccessibilityProviderProxy::IsAccessibilityEnabled() {
AccessibilityManager* accessibility_manager = AccessibilityManager::Get();
if (accessibility_manager) {
return accessibility_manager->IsFocusHighlightEnabled() ||
accessibility_manager->IsSelectToSpeakEnabled() ||
accessibility_manager->IsSpokenFeedbackEnabled() ||
accessibility_manager->IsSwitchAccessEnabled();
}
const MagnificationManager* magnification_manager =
MagnificationManager::Get();
if (magnification_manager) {
return magnification_manager->IsDockedMagnifierEnabled() ||
magnification_manager->IsMagnifierEnabled();
}
return false;
}
void EcheAppAccessibilityProviderProxy::OnViewTracked() {
UpdateEnabledFeature();
AccessibilityManager* accessibility_manager = AccessibilityManager::Get();
if (accessibility_manager) {
accessibility_status_subscription_ =
accessibility_manager->RegisterCallback(base::BindRepeating(
&EcheAppAccessibilityProviderProxy::OnAccessibilityStatusChanged,
weak_ptr_factory_.GetWeakPtr()));
}
// Send initial states.
if (accessibility_state_changed_callback_.has_value()) {
accessibility_state_changed_callback_->Run(IsAccessibilityEnabled());
}
if (explore_by_touch_state_changed_callback_.has_value()) {
explore_by_touch_state_changed_callback_->Run(
accessibility_manager->IsSpokenFeedbackEnabled());
}
}
void EcheAppAccessibilityProviderProxy::
SetAccessibilityEnabledStateChangedCallback(
base::RepeatingCallback<void(bool)> callback) {
accessibility_state_changed_callback_ = callback;
}
void EcheAppAccessibilityProviderProxy::
SetExploreByTouchEnabledStateChangedCallback(
base::RepeatingCallback<void(bool)> callback) {
explore_by_touch_state_changed_callback_ = callback;
}
void EcheAppAccessibilityProviderProxy::UpdateEnabledFeature() {
const AccessibilityManager* accessibility_manager =
AccessibilityManager::Get();
if (accessibility_manager) {
use_full_focus_mode_ = accessibility_manager->IsSwitchAccessEnabled() ||
accessibility_manager->IsSpokenFeedbackEnabled();
}
}
} // namespace ash::eche_app
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