accessible/src/windows/msaa/Compatibility.h

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* vim: set ts=2 et sw=2 tw=80: */
michael@0 3 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 6
michael@0 7 #ifndef COMPATIBILITY_MANAGER_H
michael@0 8 #define COMPATIBILITY_MANAGER_H
michael@0 9
michael@0 10 #include <stdint.h>
michael@0 11
michael@0 12 namespace mozilla {
michael@0 13 namespace a11y {
michael@0 14
michael@0 15 /**
michael@0 16 * Used to get compatibility modes. Note, modes are computed at accessibility
michael@0 17 * start up time and aren't changed during lifetime.
michael@0 18 */
michael@0 19 class Compatibility
michael@0 20 {
michael@0 21 public:
michael@0 22 /**
michael@0 23 * Return true if IAccessible2 disabled.
michael@0 24 */
michael@0 25 static bool IsIA2Off() { return !!(sConsumers & OLDJAWS); }
michael@0 26
michael@0 27 /**
michael@0 28 * Return true if JAWS mode is enabled.
michael@0 29 */
michael@0 30 static bool IsJAWS() { return !!(sConsumers & (JAWS | OLDJAWS)); }
michael@0 31
michael@0 32 /**
michael@0 33 * Return true if WE mode is enabled.
michael@0 34 */
michael@0 35 static bool IsWE() { return !!(sConsumers & WE); }
michael@0 36
michael@0 37 /**
michael@0 38 * Return true if Dolphin mode is enabled.
michael@0 39 */
michael@0 40 static bool IsDolphin() { return !!(sConsumers & DOLPHIN); }
michael@0 41
michael@0 42 private:
michael@0 43 Compatibility();
michael@0 44 Compatibility(const Compatibility&);
michael@0 45 Compatibility& operator = (const Compatibility&);
michael@0 46
michael@0 47 /**
michael@0 48 * Initialize compatibility mode. Called by platform (see Platform.h) during
michael@0 49 * accessibility initialization.
michael@0 50 */
michael@0 51 static void Init();
michael@0 52 friend void PlatformInit();
michael@0 53
michael@0 54 /**
michael@0 55 * List of detected consumers of a11y (used for statistics/telemetry and compat)
michael@0 56 */
michael@0 57 enum {
michael@0 58 NVDA = 1 << 0,
michael@0 59 JAWS = 1 << 1,
michael@0 60 OLDJAWS = 1 << 2,
michael@0 61 WE = 1 << 3,
michael@0 62 DOLPHIN = 1 << 4,
michael@0 63 SEROTEK = 1 << 5,
michael@0 64 COBRA = 1 << 6,
michael@0 65 ZOOMTEXT = 1 << 7,
michael@0 66 KAZAGURU = 1 << 8,
michael@0 67 YOUDAO = 1 << 9,
michael@0 68 UNKNOWN = 1 << 10,
michael@0 69 UIAUTOMATION = 1 << 11
michael@0 70 };
michael@0 71
michael@0 72 private:
michael@0 73 static uint32_t sConsumers;
michael@0 74 };
michael@0 75
michael@0 76 } // a11y namespace
michael@0 77 } // mozilla namespace
michael@0 78
michael@0 79 #endif

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