michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef MOZILLA_A11Y_ARIAGridAccessible_h_
michael@0: #define MOZILLA_A11Y_ARIAGridAccessible_h_
michael@0: 
michael@0: #include "nsIAccessibleTable.h"
michael@0: 
michael@0: #include "HyperTextAccessibleWrap.h"
michael@0: #include "TableAccessible.h"
michael@0: #include "TableCellAccessible.h"
michael@0: #include "xpcAccessibleTable.h"
michael@0: #include "xpcAccessibleTableCell.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace a11y {
michael@0: 
michael@0: /**
michael@0:  * Accessible for ARIA grid and treegrid.
michael@0:  */
michael@0: class ARIAGridAccessible : public AccessibleWrap,
michael@0:                            public xpcAccessibleTable,
michael@0:                            public nsIAccessibleTable,
michael@0:                            public TableAccessible
michael@0: {
michael@0: public:
michael@0:   ARIAGridAccessible(nsIContent* aContent, DocAccessible* aDoc);
michael@0: 
michael@0:   // nsISupports
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0: 
michael@0:   // nsIAccessibleTable
michael@0:   NS_FORWARD_NSIACCESSIBLETABLE(xpcAccessibleTable::)
michael@0: 
michael@0:   // Accessible
michael@0:   virtual TableAccessible* AsTable() { return this; }
michael@0:   virtual void Shutdown();
michael@0: 
michael@0:   // TableAccessible
michael@0:   virtual uint32_t ColCount();
michael@0:   virtual uint32_t RowCount();
michael@0:   virtual Accessible* CellAt(uint32_t aRowIndex, uint32_t aColumnIndex);
michael@0:   virtual bool IsColSelected(uint32_t aColIdx);
michael@0:   virtual bool IsRowSelected(uint32_t aRowIdx);
michael@0:   virtual bool IsCellSelected(uint32_t aRowIdx, uint32_t aColIdx);
michael@0:   virtual uint32_t SelectedCellCount();
michael@0:   virtual uint32_t SelectedColCount();
michael@0:   virtual uint32_t SelectedRowCount();
michael@0:   virtual void SelectedCells(nsTArray<Accessible*>* aCells);
michael@0:   virtual void SelectedCellIndices(nsTArray<uint32_t>* aCells);
michael@0:   virtual void SelectedColIndices(nsTArray<uint32_t>* aCols);
michael@0:   virtual void SelectedRowIndices(nsTArray<uint32_t>* aRows);
michael@0:   virtual void SelectCol(uint32_t aColIdx);
michael@0:   virtual void SelectRow(uint32_t aRowIdx);
michael@0:   virtual void UnselectCol(uint32_t aColIdx);
michael@0:   virtual void UnselectRow(uint32_t aRowIdx);
michael@0:   virtual Accessible* AsAccessible() { return this; }
michael@0: 
michael@0: protected:
michael@0: 
michael@0:   /**
michael@0:    * Return true if the given row index is valid.
michael@0:    */
michael@0:   bool IsValidRow(int32_t aRow);
michael@0: 
michael@0:   /**
michael@0:    * Retrn true if the given column index is valid.
michael@0:    */
michael@0:   bool IsValidColumn(int32_t aColumn);
michael@0: 
michael@0:   /**
michael@0:    * Return row accessible at the given row index.
michael@0:    */
michael@0:   Accessible* GetRowAt(int32_t aRow);
michael@0: 
michael@0:   /**
michael@0:    * Return cell accessible at the given column index in the row.
michael@0:    */
michael@0:   Accessible* GetCellInRowAt(Accessible* aRow, int32_t aColumn);
michael@0: 
michael@0:   /**
michael@0:    * Set aria-selected attribute value on DOM node of the given accessible.
michael@0:    *
michael@0:    * @param  aAccessible  [in] accessible
michael@0:    * @param  aIsSelected  [in] new value of aria-selected attribute
michael@0:    * @param  aNotify      [in, optional] specifies if DOM should be notified
michael@0:    *                       about attribute change (used internally).
michael@0:    */
michael@0:   nsresult SetARIASelected(Accessible* aAccessible, bool aIsSelected,
michael@0:                            bool aNotify = true);
michael@0: };
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Accessible for ARIA gridcell and rowheader/columnheader.
michael@0:  */
michael@0: class ARIAGridCellAccessible : public HyperTextAccessibleWrap,
michael@0:                                public nsIAccessibleTableCell,
michael@0:                                public TableCellAccessible,
michael@0:                                public xpcAccessibleTableCell
michael@0: {
michael@0: public:
michael@0:   ARIAGridCellAccessible(nsIContent* aContent, DocAccessible* aDoc);
michael@0: 
michael@0:   // nsISupports
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0: 
michael@0:   // nsIAccessibleTableCell
michael@0:   NS_FORWARD_NSIACCESSIBLETABLECELL(xpcAccessibleTableCell::)
michael@0: 
michael@0:   // Accessible
michael@0:   virtual TableCellAccessible* AsTableCell() { return this; }
michael@0:   virtual void Shutdown();
michael@0:   virtual void ApplyARIAState(uint64_t* aState) const;
michael@0:   virtual already_AddRefed<nsIPersistentProperties> NativeAttributes() MOZ_OVERRIDE;
michael@0: 
michael@0: protected:
michael@0: 
michael@0:   /**
michael@0:    * Return a containing row.
michael@0:    */
michael@0:   Accessible* Row() const
michael@0:   {
michael@0:     Accessible* row = Parent();
michael@0:     return row && row->Role() == roles::ROW ? row : nullptr;
michael@0:   }
michael@0: 
michael@0:   /**
michael@0:    * Return a table for the given row.
michael@0:    */
michael@0:   Accessible* TableFor(Accessible* aRow) const;
michael@0: 
michael@0:   /**
michael@0:    * Return index of the given row.
michael@0:    */
michael@0:   int32_t RowIndexFor(Accessible* aRow) const;
michael@0: 
michael@0:   // TableCellAccessible
michael@0:   virtual TableAccessible* Table() const MOZ_OVERRIDE;
michael@0:   virtual uint32_t ColIdx() const MOZ_OVERRIDE;
michael@0:   virtual uint32_t RowIdx() const MOZ_OVERRIDE;
michael@0:   virtual bool Selected() MOZ_OVERRIDE;
michael@0: };
michael@0: 
michael@0: } // namespace a11y
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif