/src/mozilla-central/accessible/generic/BaseAccessibles.h

Source (jump to first uncovered line)
/* -*- 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 mozilla_a11y_BaseAccessibles_h__
#define mozilla_a11y_BaseAccessibles_h__

#include "AccessibleWrap.h"
#include "HyperTextAccessibleWrap.h"

class nsIContent;

/**
  * This file contains a number of classes that are used as base
  *  classes for the different accessibility implementations of
  *  the HTML and XUL widget sets.  --jgaunt
  */

namespace mozilla {
namespace a11y {

/**
  * Leaf version of DOM Accessible -- has no children
  */
class LeafAccessible : public AccessibleWrap
{
public:

  LeafAccessible(nsIContent* aContent, DocAccessible* aDoc);

  // nsISupports
  NS_INLINE_DECL_REFCOUNTING_INHERITED(LeafAccessible, AccessibleWrap)

  // Accessible
  virtual Accessible* ChildAtPoint(int32_t aX, int32_t aY,
                                   EWhichChildAtPoint aWhichChild) override;
  bool InsertChildAt(uint32_t aIndex, Accessible* aChild) final;
  bool RemoveChild(Accessible* aChild) final;

  virtual bool IsAcceptableChild(nsIContent* aEl) const override;

protected:
  virtual ~LeafAccessible() {}
};

/**
 * Used for text or image accessible nodes contained by link accessibles or
 * accessibles for nodes with registered click event handler. It knows how to
 * report the state of the host link (traveled or not) and can activate (click)
 * the host accessible programmatically.
 */
class LinkableAccessible : public AccessibleWrap
{
public:
  enum { eAction_Jump = 0 };

  LinkableAccessible(nsIContent* aContent, DocAccessible* aDoc) :
    AccessibleWrap(aContent, aDoc)
  {
  }

  NS_INLINE_DECL_REFCOUNTING_INHERITED(LinkableAccessible, AccessibleWrap)

  // Accessible
  virtual void Value(nsString& aValue) const override;
  virtual uint64_t NativeLinkState() const override;
  virtual void TakeFocus() const override;

  // ActionAccessible
  virtual uint8_t ActionCount() const override;
  virtual void ActionNameAt(uint8_t aIndex, nsAString& aName) override;
  virtual bool DoAction(uint8_t index) const override;
  virtual KeyBinding AccessKey() const override;

  // ActionAccessible helpers
  const Accessible* ActionWalk(bool* aIsLink = nullptr,
                               bool* aIsOnclick = nullptr,
                               bool* aIsLabelWithControl = nullptr) const;
  // HyperLinkAccessible
  virtual already_AddRefed<nsIURI> AnchorURIAt(uint32_t aAnchorIndex) const override;

protected:
  virtual ~LinkableAccessible() {}

};

/**
 * A simple accessible that gets its enumerated role.
 */
template<a11y::role R>
class EnumRoleAccessible : public AccessibleWrap
{
public:
  EnumRoleAccessible(nsIContent* aContent, DocAccessible* aDoc) :
    AccessibleWrap(aContent, aDoc) { }

  NS_IMETHOD QueryInterface(REFNSIID aIID, void** aPtr) override
    { return Accessible::QueryInterface(aIID, aPtr); }

  // Accessible
  virtual a11y::role NativeRole() const override { return R; }

protected:
  virtual ~EnumRoleAccessible() { }
};


/**
 * A wrapper accessible around native accessible to connect it with
 * crossplatform accessible tree.
 */
class DummyAccessible : public AccessibleWrap
{
public:
  explicit DummyAccessible(DocAccessible* aDocument = nullptr) :
    AccessibleWrap(nullptr, aDocument) { }

  uint64_t NativeState() const final;
  uint64_t NativeInteractiveState() const final;
  uint64_t NativeLinkState() const final;
  bool NativelyUnavailable() const final;
  void ApplyARIAState(uint64_t* aState) const final;

protected:
  virtual ~DummyAccessible() { }
};

} // namespace a11y
} // namespace mozilla

#endif

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

Coverage Report

Created: 2018-09-25 14:53