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comparison: accessible/src/atk/AccessibleWrap.h
accessible/src/atk/AccessibleWrap.h
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim: set ts=2 et sw=2 tw=80: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef __NS_ACCESSIBLE_WRAP_H__ | |
| 8 #define __NS_ACCESSIBLE_WRAP_H__ | |
| 9 | |
| 10 #include "nsCOMPtr.h" | |
| 11 #include "Accessible.h" | |
| 12 | |
| 13 struct _AtkObject; | |
| 14 typedef struct _AtkObject AtkObject; | |
| 15 | |
| 16 enum AtkProperty { | |
| 17 PROP_0, // gobject convention | |
| 18 PROP_NAME, | |
| 19 PROP_DESCRIPTION, | |
| 20 PROP_PARENT, // ancestry has changed | |
| 21 PROP_ROLE, | |
| 22 PROP_LAYER, | |
| 23 PROP_MDI_ZORDER, | |
| 24 PROP_TABLE_CAPTION, | |
| 25 PROP_TABLE_COLUMN_DESCRIPTION, | |
| 26 PROP_TABLE_COLUMN_HEADER, | |
| 27 PROP_TABLE_ROW_DESCRIPTION, | |
| 28 PROP_TABLE_ROW_HEADER, | |
| 29 PROP_TABLE_SUMMARY, | |
| 30 PROP_LAST // gobject convention | |
| 31 }; | |
| 32 | |
| 33 struct AtkPropertyChange { | |
| 34 int32_t type; // property type as listed above | |
| 35 void *oldvalue; | |
| 36 void *newvalue; | |
| 37 }; | |
| 38 | |
| 39 namespace mozilla { | |
| 40 namespace a11y { | |
| 41 | |
| 42 class MaiHyperlink; | |
| 43 | |
| 44 /** | |
| 45 * AccessibleWrap, and its descendents in atk directory provide the | |
| 46 * implementation of AtkObject. | |
| 47 */ | |
| 48 class AccessibleWrap : public Accessible | |
| 49 { | |
| 50 public: | |
| 51 AccessibleWrap(nsIContent* aContent, DocAccessible* aDoc); | |
| 52 virtual ~AccessibleWrap(); | |
| 53 void ShutdownAtkObject(); | |
| 54 | |
| 55 virtual void Shutdown(); | |
| 56 | |
| 57 // return the atk object for this AccessibleWrap | |
| 58 NS_IMETHOD GetNativeInterface(void **aOutAccessible); | |
| 59 virtual nsresult HandleAccEvent(AccEvent* aEvent); | |
| 60 | |
| 61 AtkObject * GetAtkObject(void); | |
| 62 static AtkObject * GetAtkObject(nsIAccessible * acc); | |
| 63 | |
| 64 bool IsValidObject(); | |
| 65 | |
| 66 // get/set the MaiHyperlink object for this AccessibleWrap | |
| 67 MaiHyperlink* GetMaiHyperlink(bool aCreate = true); | |
| 68 void SetMaiHyperlink(MaiHyperlink* aMaiHyperlink); | |
| 69 | |
| 70 static const char * ReturnString(nsAString &aString) { | |
| 71 static nsCString returnedString; | |
| 72 returnedString = NS_ConvertUTF16toUTF8(aString); | |
| 73 return returnedString.get(); | |
| 74 } | |
| 75 | |
| 76 protected: | |
| 77 | |
| 78 nsresult FireAtkStateChangeEvent(AccEvent* aEvent, AtkObject *aObject); | |
| 79 nsresult FireAtkTextChangedEvent(AccEvent* aEvent, AtkObject *aObject); | |
| 80 nsresult FireAtkShowHideEvent(AccEvent* aEvent, AtkObject *aObject, | |
| 81 bool aIsAdded); | |
| 82 | |
| 83 AtkObject *mAtkObject; | |
| 84 | |
| 85 private: | |
| 86 | |
| 87 /* | |
| 88 * do we have text-remove and text-insert signals if not we need to use | |
| 89 * text-changed see AccessibleWrap::FireAtkTextChangedEvent() and | |
| 90 * bug 619002 | |
| 91 */ | |
| 92 enum EAvailableAtkSignals { | |
| 93 eUnknown, | |
| 94 eHaveNewAtkTextSignals, | |
| 95 eNoNewAtkSignals | |
| 96 }; | |
| 97 | |
| 98 static EAvailableAtkSignals gAvailableAtkSignals; | |
| 99 | |
| 100 uint16_t CreateMaiInterfaces(void); | |
| 101 }; | |
| 102 | |
| 103 } // namespace a11y | |
| 104 } // namespace mozilla | |
| 105 | |
| 106 #endif /* __NS_ACCESSIBLE_WRAP_H__ */ |
