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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 mozilla_a11y_XULTreeGridAccessible_h__
#define mozilla_a11y_XULTreeGridAccessible_h__
#include "XULTreeAccessible.h"
#include "TableAccessible.h"
#include "TableCellAccessible.h"
#include "xpcAccessibleTable.h"
#include "xpcAccessibleTableCell.h"
namespace mozilla {
namespace a11y {
class XULTreeGridCellAccessible;
/**
* Represents accessible for XUL tree in the case when it has multiple columns.
*/
class XULTreeGridAccessible : public XULTreeAccessible,
public TableAccessible
{
public:
XULTreeGridAccessible(nsIContent* aContent, DocAccessible* aDoc,
nsTreeBodyFrame* aTreeFrame) :
XULTreeAccessible(aContent, aDoc, aTreeFrame)
{ mGenericTypes |= eTable; }
// TableAccessible
virtual uint32_t ColCount() override;
virtual uint32_t RowCount() override;
virtual Accessible* CellAt(uint32_t aRowIndex, uint32_t aColumnIndex) override;
virtual void ColDescription(uint32_t aColIdx, nsString& aDescription) override;
virtual bool IsColSelected(uint32_t aColIdx) override;
virtual bool IsRowSelected(uint32_t aRowIdx) override;
virtual bool IsCellSelected(uint32_t aRowIdx, uint32_t aColIdx) override;
virtual uint32_t SelectedCellCount() override;
virtual uint32_t SelectedColCount() override;
virtual uint32_t SelectedRowCount() override;
virtual void SelectedCells(nsTArray<Accessible*>* aCells) override;
virtual void SelectedCellIndices(nsTArray<uint32_t>* aCells) override;
virtual void SelectedColIndices(nsTArray<uint32_t>* aCols) override;
virtual void SelectedRowIndices(nsTArray<uint32_t>* aRows) override;
virtual void SelectRow(uint32_t aRowIdx) override;
virtual void UnselectRow(uint32_t aRowIdx) override;
virtual Accessible* AsAccessible() override { return this; }
// Accessible
virtual TableAccessible* AsTable() override { return this; }
virtual a11y::role NativeRole() override;
protected:
virtual ~XULTreeGridAccessible();
// XULTreeAccessible
virtual already_AddRefed<Accessible>
CreateTreeItemAccessible(int32_t aRow) const override;
};
/**
* Represents accessible for XUL tree item in the case when XUL tree has
* multiple columns.
*/
class XULTreeGridRowAccessible final : public XULTreeItemAccessibleBase
{
public:
using Accessible::GetChildAt;
XULTreeGridRowAccessible(nsIContent* aContent, DocAccessible* aDoc,
Accessible* aParent, nsITreeBoxObject* aTree,
nsITreeView* aTreeView, int32_t aRow);
// nsISupports and cycle collection
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(XULTreeGridRowAccessible,
XULTreeItemAccessibleBase)
// Accessible
virtual void Shutdown() override;
virtual a11y::role NativeRole() override;
virtual ENameValueFlag Name(nsString& aName) override;
virtual Accessible* ChildAtPoint(int32_t aX, int32_t aY,
EWhichChildAtPoint aWhichChild) override;
virtual Accessible* GetChildAt(uint32_t aIndex) const override;
virtual uint32_t ChildCount() const override;
// XULTreeItemAccessibleBase
virtual XULTreeGridCellAccessible* GetCellAccessible(nsITreeColumn* aColumn)
const override final;
virtual void RowInvalidated(int32_t aStartColIdx, int32_t aEndColIdx) override;
protected:
virtual ~XULTreeGridRowAccessible();
// XULTreeItemAccessibleBase
mutable nsRefPtrHashtable<nsPtrHashKey<const void>, XULTreeGridCellAccessible>
mAccessibleCache;
};
/**
* Represents an accessible for XUL tree cell in the case when XUL tree has
* multiple columns.
*/
class XULTreeGridCellAccessible : public LeafAccessible,
public TableCellAccessible
{
public:
XULTreeGridCellAccessible(nsIContent* aContent, DocAccessible* aDoc,
XULTreeGridRowAccessible* aRowAcc,
nsITreeBoxObject* aTree, nsITreeView* aTreeView,
int32_t aRow, nsITreeColumn* aColumn);
// nsISupports
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(XULTreeGridCellAccessible,
LeafAccessible)
// Accessible
virtual TableCellAccessible* AsTableCell() override { return this; }
virtual nsIntRect Bounds() const override;
virtual ENameValueFlag Name(nsString& aName) override;
virtual Accessible* FocusedChild() override;
virtual already_AddRefed<nsIPersistentProperties> NativeAttributes() override;
virtual int32_t IndexInParent() const override;
virtual Relation RelationByType(RelationType aType) override;
virtual a11y::role NativeRole() override;
virtual uint64_t NativeState() override;
virtual uint64_t NativeInteractiveState() const override;
// ActionAccessible
virtual uint8_t ActionCount() override;
virtual void ActionNameAt(uint8_t aIndex, nsAString& aName) override;
virtual bool DoAction(uint8_t aIndex) override;
// TableCellAccessible
virtual TableAccessible* Table() const override;
virtual uint32_t ColIdx() const override;
virtual uint32_t RowIdx() const override;
virtual void ColHeaderCells(nsTArray<Accessible*>* aHeaderCells) override;
virtual void RowHeaderCells(nsTArray<Accessible*>* aCells) override { }
virtual bool Selected() override;
/**
* Fire name or state change event if the accessible text or value has been
* changed.
* @return true if name has changed
*/
bool CellInvalidated();
protected:
virtual ~XULTreeGridCellAccessible();
// Accessible
virtual Accessible* GetSiblingAtOffset(int32_t aOffset,
nsresult* aError = nullptr) const override;
virtual void DispatchClickEvent(nsIContent* aContent, uint32_t aActionIndex) override;
// XULTreeGridCellAccessible
/**
* Return true if value of cell can be modified.
*/
bool IsEditable() const;
enum { eAction_Click = 0 };
nsCOMPtr<nsITreeBoxObject> mTree;
nsITreeView* mTreeView;
int32_t mRow;
nsCOMPtr<nsITreeColumn> mColumn;
nsString mCachedTextEquiv;
};
} // namespace a11y
} // namespace mozilla
#endif
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