• file
• revisions
• annotate
• diff
• comparison
• raw

accessible/src/generic/BaseAccessibles.h@6474c204b198 (annotated)

accessible/src/generic/BaseAccessibles.h

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0	1	/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0	2	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	3	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	4	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	5
michael@0	6	#ifndef mozilla_a11y_BaseAccessibles_h__
michael@0	7	#define mozilla_a11y_BaseAccessibles_h__
michael@0	8
michael@0	9	#include "AccessibleWrap.h"
michael@0	10	#include "HyperTextAccessibleWrap.h"
michael@0	11
michael@0	12	class nsIContent;
michael@0	13
michael@0	14	/**
michael@0	15	* This file contains a number of classes that are used as base
michael@0	16	* classes for the different accessibility implementations of
michael@0	17	* the HTML and XUL widget sets. --jgaunt
michael@0	18	*/
michael@0	19
michael@0	20	namespace mozilla {
michael@0	21	namespace a11y {
michael@0	22
michael@0	23	/**
michael@0	24	* Leaf version of DOM Accessible -- has no children
michael@0	25	*/
michael@0	26	class LeafAccessible : public AccessibleWrap
michael@0	27	{
michael@0	28	public:
michael@0	29
michael@0	30	LeafAccessible(nsIContent* aContent, DocAccessible* aDoc);
michael@0	31
michael@0	32	// nsISupports
michael@0	33	NS_DECL_ISUPPORTS_INHERITED
michael@0	34
michael@0	35	// Accessible
michael@0	36	virtual Accessible* ChildAtPoint(int32_t aX, int32_t aY,
michael@0	37	EWhichChildAtPoint aWhichChild);
michael@0	38	virtual bool InsertChildAt(uint32_t aIndex, Accessible* aChild) MOZ_OVERRIDE MOZ_FINAL;
michael@0	39	virtual bool RemoveChild(Accessible* aChild) MOZ_OVERRIDE MOZ_FINAL;
michael@0	40
michael@0	41	protected:
michael@0	42
michael@0	43	// Accessible
michael@0	44	virtual void CacheChildren();
michael@0	45	};
michael@0	46
michael@0	47	/**
michael@0	48	* Used for text or image accessible nodes contained by link accessibles or
michael@0	49	* accessibles for nodes with registered click event handler. It knows how to
michael@0	50	* report the state of the host link (traveled or not) and can activate (click)
michael@0	51	* the host accessible programmatically.
michael@0	52	*/
michael@0	53	class LinkableAccessible : public AccessibleWrap
michael@0	54	{
michael@0	55	public:
michael@0	56	enum { eAction_Jump = 0 };
michael@0	57
michael@0	58	LinkableAccessible(nsIContent* aContent, DocAccessible* aDoc);
michael@0	59
michael@0	60	NS_DECL_ISUPPORTS_INHERITED
michael@0	61
michael@0	62	// nsIAccessible
michael@0	63	NS_IMETHOD GetActionName(uint8_t aIndex, nsAString& aName);
michael@0	64	NS_IMETHOD DoAction(uint8_t index);
michael@0	65	NS_IMETHOD TakeFocus();
michael@0	66
michael@0	67	// Accessible
michael@0	68	virtual void Shutdown();
michael@0	69	virtual void Value(nsString& aValue);
michael@0	70	virtual uint64_t NativeLinkState() const;
michael@0	71
michael@0	72	// ActionAccessible
michael@0	73	virtual uint8_t ActionCount();
michael@0	74	virtual KeyBinding AccessKey() const;
michael@0	75
michael@0	76	// HyperLinkAccessible
michael@0	77	virtual already_AddRefed<nsIURI> AnchorURIAt(uint32_t aAnchorIndex);
michael@0	78
michael@0	79	protected:
michael@0	80	// Accessible
michael@0	81	virtual void BindToParent(Accessible* aParent, uint32_t aIndexInParent);
michael@0	82	virtual void UnbindFromParent();
michael@0	83
michael@0	84	/**
michael@0	85	* Parent accessible that provides an action for this linkable accessible.
michael@0	86	*/
michael@0	87	Accessible* mActionAcc;
michael@0	88	bool mIsLink;
michael@0	89	bool mIsOnclick;
michael@0	90	};
michael@0	91
michael@0	92	/**
michael@0	93	* A simple accessible that gets its enumerated role passed into constructor.
michael@0	94	*/
michael@0	95	class EnumRoleAccessible : public AccessibleWrap
michael@0	96	{
michael@0	97	public:
michael@0	98	EnumRoleAccessible(nsIContent* aContent, DocAccessible* aDoc,
michael@0	99	a11y::role aRole);
michael@0	100	virtual ~EnumRoleAccessible() { }
michael@0	101
michael@0	102	NS_DECL_ISUPPORTS_INHERITED
michael@0	103
michael@0	104	// Accessible
michael@0	105	virtual a11y::role NativeRole();
michael@0	106
michael@0	107	protected:
michael@0	108	a11y::role mRole;
michael@0	109	};
michael@0	110
michael@0	111
michael@0	112	/**
michael@0	113	* A wrapper accessible around native accessible to connect it with
michael@0	114	* crossplatform accessible tree.
michael@0	115	*/
michael@0	116	class DummyAccessible : public AccessibleWrap
michael@0	117	{
michael@0	118	public:
michael@0	119	DummyAccessible() : AccessibleWrap(nullptr, nullptr) { }
michael@0	120	virtual ~DummyAccessible() { }
michael@0	121
michael@0	122	virtual uint64_t NativeState() MOZ_OVERRIDE MOZ_FINAL;
michael@0	123	virtual uint64_t NativeInteractiveState() const MOZ_OVERRIDE MOZ_FINAL;
michael@0	124	virtual uint64_t NativeLinkState() const MOZ_OVERRIDE MOZ_FINAL;
michael@0	125	virtual bool NativelyUnavailable() const MOZ_OVERRIDE MOZ_FINAL;
michael@0	126	virtual void ApplyARIAState(uint64_t* aState) const MOZ_OVERRIDE MOZ_FINAL;
michael@0	127	};
michael@0	128
michael@0	129	} // namespace a11y
michael@0	130	} // namespace mozilla
michael@0	131
michael@0	132	#endif