accessible/src/generic/ApplicationAccessible.h

branch
TOR_BUG_9701
changeset 3
141e0f1194b1
equal deleted inserted replaced
-1:000000000000 0:cd7aef59d24e
1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim:expandtab:shiftwidth=2:tabstop=2:
3 */
4 /* This Source Code Form is subject to the terms of the Mozilla Public
5 * License, v. 2.0. If a copy of the MPL was not distributed with this
6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
7
8 #ifndef mozilla_a11y_ApplicationAccessible_h__
9 #define mozilla_a11y_ApplicationAccessible_h__
10
11 #include "AccessibleWrap.h"
12 #include "nsIAccessibleApplication.h"
13
14 #include "nsIMutableArray.h"
15 #include "nsIXULAppInfo.h"
16
17 namespace mozilla {
18 namespace a11y {
19
20 /**
21 * ApplicationAccessible is for the whole application of Mozilla.
22 * Only one instance of ApplicationAccessible exists for one Mozilla instance.
23 * And this one should be created when Mozilla Startup (if accessibility
24 * feature has been enabled) and destroyed when Mozilla Shutdown.
25 *
26 * All the accessibility objects for toplevel windows are direct children of
27 * the ApplicationAccessible instance.
28 */
29
30 class ApplicationAccessible : public AccessibleWrap,
31 public nsIAccessibleApplication
32 {
33 public:
34
35 ApplicationAccessible();
36
37 // nsISupports
38 NS_DECL_ISUPPORTS_INHERITED
39
40 // nsIAccessible
41 NS_IMETHOD GetRootDocument(nsIAccessibleDocument** aRootDocument);
42 NS_IMETHOD ScrollTo(uint32_t aScrollType);
43 NS_IMETHOD ScrollToPoint(uint32_t aCoordinateType, int32_t aX, int32_t aY);
44 NS_IMETHOD GetLanguage(nsAString& aLanguage);
45 NS_IMETHOD GetParent(nsIAccessible **aParent);
46 NS_IMETHOD GetNextSibling(nsIAccessible **aNextSibling);
47 NS_IMETHOD GetPreviousSibling(nsIAccessible **aPreviousSibling);
48 NS_IMETHOD GetBounds(int32_t *aX, int32_t *aY,
49 int32_t *aWidth, int32_t *aHeight);
50 NS_IMETHOD SetSelected(bool aIsSelected);
51 NS_IMETHOD TakeSelection();
52 NS_IMETHOD TakeFocus();
53 NS_IMETHOD GetActionName(uint8_t aIndex, nsAString &aName);
54 NS_IMETHOD GetActionDescription(uint8_t aIndex, nsAString &aDescription);
55 NS_IMETHOD DoAction(uint8_t aIndex);
56
57 // nsIAccessibleApplication
58 NS_DECL_NSIACCESSIBLEAPPLICATION
59
60 // Accessible
61 virtual void Shutdown();
62 virtual already_AddRefed<nsIPersistentProperties> NativeAttributes() MOZ_OVERRIDE;
63 virtual GroupPos GroupPosition();
64 virtual ENameValueFlag Name(nsString& aName);
65 virtual void ApplyARIAState(uint64_t* aState) const;
66 virtual void Description(nsString& aDescription);
67 virtual void Value(nsString& aValue);
68 virtual mozilla::a11y::role NativeRole();
69 virtual uint64_t State();
70 virtual uint64_t NativeState();
71 virtual Relation RelationByType(RelationType aType) MOZ_OVERRIDE;
72
73 virtual Accessible* ChildAtPoint(int32_t aX, int32_t aY,
74 EWhichChildAtPoint aWhichChild);
75 virtual Accessible* FocusedChild();
76
77 virtual void InvalidateChildren();
78
79 // ActionAccessible
80 virtual uint8_t ActionCount();
81 virtual KeyBinding AccessKey() const;
82
83 protected:
84
85 // Accessible
86 virtual void CacheChildren();
87 virtual Accessible* GetSiblingAtOffset(int32_t aOffset,
88 nsresult *aError = nullptr) const;
89
90 private:
91 nsCOMPtr<nsIXULAppInfo> mAppInfo;
92 };
93
94 } // namespace a11y
95 } // namespace mozilla
96
97 #endif
98

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