зеркало из https://github.com/mozilla/gecko-dev.git
111 строки
8.2 KiB
C++
111 строки
8.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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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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#include <atk/atk.h>
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#include "AccessibleWrap.h"
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#include <type_traits>
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/******************************************************************************
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The following accessible states aren't translated, just ignored:
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STATE_READONLY: Supported indirectly via EXT_STATE_EDITABLE
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STATE_HOTTRACKED: No ATK equivalent. No known use case.
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The nsIAccessible state is not currently supported.
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STATE_FLOATING: No ATK equivalent. No known use case.
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The nsIAccessible state is not currently supported.
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STATE_MOVEABLE: No ATK equivalent. No known use case.
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The nsIAccessible state is not currently supported.
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STATE_SELFVOICING: No ATK equivalent -- the object has self-TTS.
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The nsIAccessible state is not currently supported.
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STATE_LINKED: The object is formatted as a hyperlink. Supported via ATK_ROLE_LINK.
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STATE_EXTSELECTABLE: Indicates that an object extends its selection.
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This is supported via STATE_MULTISELECTABLE.
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STATE_PROTECTED: The object is a password-protected edit control.
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Supported via ATK_ROLE_PASSWORD_TEXT
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STATE_PINNED: The object is pinned, usually indicating it is fixed in
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place and has permanence. No ATK equivalent. The
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accessible state is not currently supported.
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The following ATK states are not supported:
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ATK_STATE_ARMED: No clear use case, used briefly when button is activated
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ATK_STATE_HAS_TOOLTIP: No clear use case, no IA2 equivalent
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ATK_STATE_ICONIFIED: Mozilla does not have elements which are collapsable into icons
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ATK_STATE_TRUNCATED: No clear use case. Indicates that an object's onscreen content is truncated,
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e.g. a text value in a spreadsheet cell. No IA2 state.
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******************************************************************************/
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enum EStateMapEntryType {
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kMapDirectly,
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kMapOpposite, // For example, UNAVAILABLE is the opposite of ENABLED
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kNoStateChange, // Don't fire state change event
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};
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const AtkStateType kNone = ATK_STATE_INVALID;
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struct AtkStateMap {
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AtkStateType atkState;
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EStateMapEntryType stateMapEntryType;
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};
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// Map array from cross platform states to ATK states
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static const AtkStateMap gAtkStateMap[] = { // Cross Platform States
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{ kNone, kMapOpposite }, // states::UNAVAILABLE = 1 << 0
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{ ATK_STATE_SELECTED, kMapDirectly }, // states::SELECTED = 1 << 1
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{ ATK_STATE_FOCUSED, kMapDirectly }, // states::FOCUSED = 1 << 2
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{ ATK_STATE_PRESSED, kMapDirectly }, // states::PRESSED = 1 << 3
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{ ATK_STATE_CHECKED, kMapDirectly }, // states::CHECKED = 1 << 4
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{ ATK_STATE_INDETERMINATE, kMapDirectly }, // states::MIXED = 1 << 5
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{ kNone, kMapDirectly }, // states::READONLY = 1 << 6
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{ kNone, kMapDirectly }, // states::HOTTRACKED = 1 << 7
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{ ATK_STATE_DEFAULT, kMapDirectly }, // states::DEFAULT = 1 << 8
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{ ATK_STATE_EXPANDED, kMapDirectly }, // states::EXPANDED = 1 << 9
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{ kNone, kNoStateChange }, // states::COLLAPSED = 1 << 10
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{ ATK_STATE_BUSY, kMapDirectly }, // states::BUSY = 1 << 11
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{ kNone, kMapDirectly }, // states::FLOATING = 1 << 12
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{ ATK_STATE_CHECKABLE, kMapDirectly }, // states::CHECKABLE = 1 << 13
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{ ATK_STATE_ANIMATED, kMapDirectly }, // states::ANIMATED = 1 << 14
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{ ATK_STATE_VISIBLE, kMapOpposite }, // states::INVISIBLE = 1 << 15
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{ ATK_STATE_SHOWING, kMapOpposite }, // states::OFFSCREEN = 1 << 16
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{ ATK_STATE_RESIZABLE, kMapDirectly }, // states::SIZEABLE = 1 << 17
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{ kNone, kMapDirectly }, // states::MOVEABLE = 1 << 18
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{ kNone, kMapDirectly }, // states::SELFVOICING = 1 << 19
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{ ATK_STATE_FOCUSABLE, kMapDirectly }, // states::FOCUSABLE = 1 << 20
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{ ATK_STATE_SELECTABLE, kMapDirectly }, // states::SELECTABLE = 1 << 21
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{ kNone, kMapDirectly }, // states::LINKED = 1 << 22
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{ ATK_STATE_VISITED, kMapDirectly }, // states::TRAVERSED = 1 << 23
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{ ATK_STATE_MULTISELECTABLE, kMapDirectly }, // states::MULTISELECTABLE = 1 << 24
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{ kNone, kMapDirectly }, // states::EXTSELECTABLE = 1 << 25
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{ ATK_STATE_REQUIRED, kMapDirectly }, // states::STATE_REQUIRED = 1 << 26
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{ kNone, kMapDirectly }, // states::ALERT_MEDIUM = 1 << 27
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{ ATK_STATE_INVALID_ENTRY, kMapDirectly }, // states::INVALID = 1 << 28
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{ kNone, kMapDirectly }, // states::PROTECTED = 1 << 29
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{ ATK_STATE_HAS_POPUP, kMapDirectly }, // states::HASPOPUP = 1 << 30
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{ ATK_STATE_SUPPORTS_AUTOCOMPLETION, kMapDirectly }, // states::SUPPORTS_AUTOCOMPLETION = 1 << 31
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{ ATK_STATE_DEFUNCT, kMapDirectly }, // states::DEFUNCT = 1 << 32
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{ ATK_STATE_SELECTABLE_TEXT, kMapDirectly }, // states::SELECTABLE_TEXT = 1 << 33
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{ ATK_STATE_EDITABLE, kMapDirectly }, // states::EDITABLE = 1 << 34
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{ ATK_STATE_ACTIVE, kMapDirectly }, // states::ACTIVE = 1 << 35
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{ ATK_STATE_MODAL, kMapDirectly }, // states::MODAL = 1 << 36
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{ ATK_STATE_MULTI_LINE, kMapDirectly }, // states::MULTI_LINE = 1 << 37
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{ ATK_STATE_HORIZONTAL, kMapDirectly }, // states::HORIZONTAL = 1 << 38
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{ ATK_STATE_OPAQUE, kMapDirectly }, // states::OPAQUE = 1 << 39
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{ ATK_STATE_SINGLE_LINE, kMapDirectly }, // states::SINGLE_LINE = 1 << 40
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{ ATK_STATE_TRANSIENT, kMapDirectly }, // states::TRANSIENT = 1 << 41
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{ ATK_STATE_VERTICAL, kMapDirectly }, // states::VERTICAL = 1 << 42
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{ ATK_STATE_STALE, kMapDirectly }, // states::STALE = 1 << 43
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{ ATK_STATE_ENABLED, kMapDirectly }, // states::ENABLED = 1 << 44
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{ ATK_STATE_SENSITIVE, kMapDirectly }, // states::SENSITIVE = 1 << 45
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{ ATK_STATE_EXPANDABLE, kMapDirectly }, // states::EXPANDABLE = 1 << 46
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{ kNone, kMapDirectly }, // states::PINNED = 1 << 47
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{ ATK_STATE_ACTIVE, kMapDirectly } // states::CURRENT = 1 << 48
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};
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static const auto gAtkStateMapLen = std::extent<decltype(gAtkStateMap)>::value;
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static_assert(((uint64_t) 0x1) << (gAtkStateMapLen - 1) == mozilla::a11y::states::LAST_ENTRY,
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"ATK states map is out of sync with internal states");
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