79 lines
1.8 KiB
C++
79 lines
1.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef COMPATIBILITY_MANAGER_H
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#define COMPATIBILITY_MANAGER_H
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#include <stdint.h>
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namespace mozilla {
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namespace a11y {
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/**
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* Used to get compatibility modes. Note, modes are computed at accessibility
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* start up time and aren't changed during lifetime.
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*/
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class Compatibility
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{
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public:
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/**
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* Return true if IAccessible2 disabled.
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*/
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static bool IsIA2Off() { return !!(sConsumers & OLDJAWS); }
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/**
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* Return true if JAWS mode is enabled.
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*/
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static bool IsJAWS() { return !!(sConsumers & (JAWS | OLDJAWS)); }
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/**
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* Return true if WE mode is enabled.
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*/
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static bool IsWE() { return !!(sConsumers & WE); }
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/**
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* Return true if Dolphin mode is enabled.
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*/
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static bool IsDolphin() { return !!(sConsumers & DOLPHIN); }
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private:
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Compatibility();
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Compatibility(const Compatibility&);
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Compatibility& operator = (const Compatibility&);
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/**
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* Initialize compatibility mode. Called by platform (see Platform.h) during
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* accessibility initialization.
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*/
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static void Init();
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friend void PlatformInit();
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/**
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* List of detected consumers of a11y (used for statistics/telemetry and compat)
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*/
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enum {
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NVDA = 1 << 0,
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JAWS = 1 << 1,
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OLDJAWS = 1 << 2,
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WE = 1 << 3,
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DOLPHIN = 1 << 4,
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SEROTEK = 1 << 5,
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COBRA = 1 << 6,
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ZOOMTEXT = 1 << 7,
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KAZAGURU = 1 << 8,
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YOUDAO = 1 << 9,
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UNKNOWN = 1 << 10,
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UIAUTOMATION = 1 << 11
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};
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private:
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static uint32_t sConsumers;
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};
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} // a11y namespace
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} // mozilla namespace
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#endif
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