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