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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 "ui/accessibility/platform/assistive_tech.h"
#include "base/notreached.h"
namespace ui {
namespace {
static constexpr std::string_view kNoneString{"None"};
static constexpr std::string_view kUninitializedString{"Uninitialized"};
static constexpr std::string_view kChromeVoxString{"ChromeVox"};
static constexpr std::string_view kJawsString{"Jaws"};
static constexpr std::string_view kNarratorString{"Narrator"};
static constexpr std::string_view kNvdaString{"Nvda"};
static constexpr std::string_view kOrcaString{"Orca"};
static constexpr std::string_view kSupernovaString{"Supernova"};
static constexpr std::string_view kTalkbackString{"Talkback"};
static constexpr std::string_view kVoiceOverString{"VoiceOver"};
static constexpr std::string_view kZdsrString{"Zdsr"};
static constexpr std::string_view kWinMagnifierString{"Magnifier"};
static constexpr std::string_view kZoomTextString{"ZoomText"};
static constexpr std::string_view kGenericScreenReaderString{
"GenericScreenReader"};
} // namespace
bool IsScreenReader(AssistiveTech assistive_tech) {
switch (assistive_tech) {
// On some operating systems, we don't know if a screen reader is running
// until some expensive operations are performed off-thread.
// assume there is a not screen reader in this case, as this is generally
// the most appropriate for most call sites.
case AssistiveTech::kUninitialized:
case AssistiveTech::kNone:
return false;
case AssistiveTech::kChromeVox:
case AssistiveTech::kJaws:
case AssistiveTech::kNarrator:
case AssistiveTech::kNvda:
case AssistiveTech::kOrca:
case AssistiveTech::kSupernova:
case AssistiveTech::kTalkback:
case AssistiveTech::kVoiceOver:
case AssistiveTech::kZdsr:
// ZoomText And Windows Magnifier are screen magnifier with some screen
// reader features, such as the ability to navigate by heading.
case AssistiveTech::kWinMagnifier:
case AssistiveTech::kZoomText:
case AssistiveTech::kGenericScreenReader:
return true;
}
}
std::string_view GetAssistiveTechString(AssistiveTech assistive_tech) {
switch (assistive_tech) {
case AssistiveTech::kNone:
return kNoneString;
case AssistiveTech::kUninitialized:
return kUninitializedString;
case AssistiveTech::kChromeVox:
return kChromeVoxString;
case AssistiveTech::kJaws:
return kJawsString;
case AssistiveTech::kNarrator:
return kNarratorString;
case AssistiveTech::kNvda:
return kNvdaString;
case AssistiveTech::kOrca:
return kOrcaString;
case AssistiveTech::kSupernova:
return kSupernovaString;
case AssistiveTech::kTalkback:
return kTalkbackString;
case AssistiveTech::kVoiceOver:
return kVoiceOverString;
case AssistiveTech::kZdsr:
return kZdsrString;
case AssistiveTech::kWinMagnifier:
return kWinMagnifierString;
case AssistiveTech::kZoomText:
return kZoomTextString;
case AssistiveTech::kGenericScreenReader:
return kGenericScreenReaderString;
}
}
} // namespace ui
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