content/browser/accessibility/browser_accessibility_state_impl_chromeos.cc

// 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 "content/browser/accessibility/browser_accessibility_state_impl.h"

#include "base/debug/crash_logging.h"

namespace content {

class BrowserAccessibilityStateImplChromeOS
    : public BrowserAccessibilityStateImpl {
 public:
  BrowserAccessibilityStateImplChromeOS() = default;

 protected:
  // BrowserAccessibilityStateImpl:
  void RefreshAssistiveTech() override {
    bool is_active = GetAccessibilityMode().has_mode(ui::AXMode::kScreenReader);

    // Set/clear crash key (similar to crash keys for other screen readers).
    static auto* ax_chromevox_crash_key = base::debug::AllocateCrashKeyString(
        "ax_chromevox", base::debug::CrashKeySize::Size32);
    if (is_active) {
      base::debug::SetCrashKeyString(ax_chromevox_crash_key, "true");
    } else {
      base::debug::ClearCrashKeyString(ax_chromevox_crash_key);
    }

    OnAssistiveTechFound(is_active ? ui::AssistiveTech::kChromeVox
                                   : ui::AssistiveTech::kNone);
  }
};

// static
std::unique_ptr<BrowserAccessibilityStateImpl>
BrowserAccessibilityStateImpl::Create() {
  return std::make_unique<BrowserAccessibilityStateImplChromeOS>();
}

}  // namespace content