michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim: set ts=2 et sw=2 tw=80: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef COMPATIBILITY_MANAGER_H
michael@0: #define COMPATIBILITY_MANAGER_H
michael@0: 
michael@0: #include <stdint.h>
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace a11y {
michael@0: 
michael@0: /**
michael@0:  * Used to get compatibility modes. Note, modes are computed at accessibility
michael@0:  * start up time and aren't changed during lifetime.
michael@0:  */
michael@0: class Compatibility
michael@0: {
michael@0: public:
michael@0:   /**
michael@0:    * Return true if IAccessible2 disabled.
michael@0:    */
michael@0:   static bool IsIA2Off() { return !!(sConsumers & OLDJAWS); }
michael@0: 
michael@0:   /**
michael@0:    * Return true if JAWS mode is enabled.
michael@0:    */
michael@0:   static bool IsJAWS() { return !!(sConsumers & (JAWS | OLDJAWS)); }
michael@0: 
michael@0:   /**
michael@0:    * Return true if WE mode is enabled.
michael@0:    */
michael@0:   static bool IsWE() { return !!(sConsumers & WE); }
michael@0: 
michael@0:   /**
michael@0:    * Return true if Dolphin mode is enabled.
michael@0:    */
michael@0:   static bool IsDolphin() { return !!(sConsumers & DOLPHIN); }
michael@0: 
michael@0: private:
michael@0:   Compatibility();
michael@0:   Compatibility(const Compatibility&);
michael@0:   Compatibility& operator = (const Compatibility&);
michael@0: 
michael@0:   /**
michael@0:    * Initialize compatibility mode. Called by platform (see Platform.h) during
michael@0:    * accessibility initialization.
michael@0:    */
michael@0:   static void Init();
michael@0:   friend void PlatformInit();
michael@0: 
michael@0:   /**
michael@0:    * List of detected consumers of a11y (used for statistics/telemetry and compat)
michael@0:    */
michael@0:   enum {
michael@0:     NVDA = 1 << 0,
michael@0:     JAWS = 1 << 1,
michael@0:     OLDJAWS = 1 << 2,
michael@0:     WE = 1 << 3,
michael@0:     DOLPHIN = 1 << 4,
michael@0:     SEROTEK = 1 << 5,
michael@0:     COBRA = 1 << 6,
michael@0:     ZOOMTEXT = 1 << 7,
michael@0:     KAZAGURU = 1 << 8,
michael@0:     YOUDAO = 1 << 9,
michael@0:     UNKNOWN = 1 << 10,
michael@0:     UIAUTOMATION = 1 << 11
michael@0:   };
michael@0: 
michael@0: private:
michael@0:   static uint32_t sConsumers;
michael@0: };
michael@0: 
michael@0: } // a11y namespace
michael@0: } // mozilla namespace
michael@0: 
michael@0: #endif