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Diffstat (limited to '')
-rw-r--r-- | accessible/atk/AccessibleWrap.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/accessible/atk/AccessibleWrap.h b/accessible/atk/AccessibleWrap.h new file mode 100644 index 0000000000..e12189405d --- /dev/null +++ b/accessible/atk/AccessibleWrap.h @@ -0,0 +1,93 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=2 et sw=2 tw=80: */ +/* 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 __NS_ACCESSIBLE_WRAP_H__ +#define __NS_ACCESSIBLE_WRAP_H__ + +#include "nsCOMPtr.h" +#include "LocalAccessible.h" + +struct _AtkObject; +typedef struct _AtkObject AtkObject; + +enum AtkProperty { + PROP_0, // gobject convention + PROP_NAME, + PROP_DESCRIPTION, + PROP_PARENT, // ancestry has changed + PROP_ROLE, + PROP_LAYER, + PROP_MDI_ZORDER, + PROP_TABLE_CAPTION, + PROP_TABLE_COLUMN_DESCRIPTION, + PROP_TABLE_COLUMN_HEADER, + PROP_TABLE_ROW_DESCRIPTION, + PROP_TABLE_ROW_HEADER, + PROP_TABLE_SUMMARY, + PROP_LAST // gobject convention +}; + +struct AtkPropertyChange { + int32_t type; // property type as listed above + void* oldvalue; + void* newvalue; +}; + +namespace mozilla { +namespace a11y { + +class MaiHyperlink; + +/** + * Atk specific functionality for an accessibility tree node that originated in + * mDoc's content process. + * + * AccessibleWrap, and its descendents in atk directory provide the + * implementation of AtkObject. + */ +class AccessibleWrap : public LocalAccessible { + public: + AccessibleWrap(nsIContent* aContent, DocAccessible* aDoc); + virtual ~AccessibleWrap(); + void ShutdownAtkObject(); + + virtual void Shutdown() override; + + // return the atk object for this AccessibleWrap + virtual void GetNativeInterface(void** aOutAccessible) override; + + AtkObject* GetAtkObject(void); + static AtkObject* GetAtkObject(LocalAccessible* aAccessible); + + bool IsValidObject(); + + static const char* ReturnString(nsAString& aString) { + static nsCString returnedString; + CopyUTF16toUTF8(aString, returnedString); + return returnedString.get(); + } + + static void GetKeyBinding(Accessible* aAccessible, nsAString& aResult); + + static Accessible* GetColumnHeader(TableAccessible* aAccessible, + int32_t aColIdx); + static Accessible* GetRowHeader(TableAccessible* aAccessible, + int32_t aRowIdx); + + protected: + nsresult FireAtkStateChangeEvent(AccEvent* aEvent, AtkObject* aObject); + nsresult FireAtkTextChangedEvent(AccEvent* aEvent, AtkObject* aObject); + + AtkObject* mAtkObject; + + private: + uint16_t CreateMaiInterfaces(); +}; + +} // namespace a11y +} // namespace mozilla + +#endif /* __NS_ACCESSIBLE_WRAP_H__ */ |