Line data    Source code

       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() override;
      56             : 
      57             :   // return the atk object for this AccessibleWrap
      58             :   virtual void GetNativeInterface(void** aOutAccessible) override;
      59             :   virtual nsresult HandleAccEvent(AccEvent* aEvent) override;
      60             : 
      61             :   AtkObject * GetAtkObject(void);
      62             :   static AtkObject* GetAtkObject(Accessible* aAccessible);
      63             : 
      64             :   bool IsValidObject();
      65             : 
      66           0 :   static const char * ReturnString(nsAString &aString) {
      67           0 :     static nsCString returnedString;
      68           0 :     returnedString = NS_ConvertUTF16toUTF8(aString);
      69           0 :     return returnedString.get();
      70             :   }
      71             : 
      72             :   static void GetKeyBinding(Accessible* aAccessible, nsAString& aResult);
      73             : 
      74             :   static Accessible* GetColumnHeader(TableAccessible* aAccessible,
      75             :                                      int32_t aColIdx);
      76             :   static Accessible* GetRowHeader(TableAccessible* aAccessible,
      77             :                                   int32_t aRowIdx);
      78             : protected:
      79             : 
      80             :   nsresult FireAtkStateChangeEvent(AccEvent* aEvent, AtkObject *aObject);
      81             :   nsresult FireAtkTextChangedEvent(AccEvent* aEvent, AtkObject *aObject);
      82             : 
      83             :   AtkObject *mAtkObject;
      84             : 
      85             : private:
      86             :   uint16_t CreateMaiInterfaces();
      87             : };
      88             : 
      89             : } // namespace a11y
      90             : } // namespace mozilla
      91             : 
      92             : #endif /* __NS_ACCESSIBLE_WRAP_H__ */