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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* -*- 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 "mozilla/a11y/TableAccessible.h"
#include "mozilla/a11y/TableCellAccessible.h"
#include "XULTreeAccessible.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() const override;
virtual uint32_t RowCount() override;
virtual LocalAccessible* 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 LocalAccessible* AsAccessible() override { return this; }
virtual int32_t CellIndexAt(uint32_t aRowIdx, uint32_t aColIdx) override {
return static_cast<int32_t>(ColCount() * aRowIdx + aColIdx);
}
virtual int32_t ColIndexAt(uint32_t aCellIdx) override;
virtual int32_t RowIndexAt(uint32_t aCellIdx) override;
virtual void RowAndColIndicesAt(uint32_t aCellIdx, int32_t* aRowIdx,
int32_t* aColIdx) override;
// LocalAccessible
virtual TableAccessible* AsTable() override { return this; }
virtual a11y::role NativeRole() const override;
protected:
virtual ~XULTreeGridAccessible();
// XULTreeAccessible
virtual already_AddRefed<XULTreeItemAccessibleBase> 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 LocalAccessible::LocalChildAt;
XULTreeGridRowAccessible(nsIContent* aContent, DocAccessible* aDoc,
LocalAccessible* aParent, dom::XULTreeElement* aTree,
nsITreeView* aTreeView, int32_t aRow);
// nsISupports and cycle collection
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(XULTreeGridRowAccessible,
XULTreeItemAccessibleBase)
// LocalAccessible
virtual void Shutdown() override;
virtual a11y::role NativeRole() const override;
virtual ENameValueFlag Name(nsString& aName) const override;
virtual LocalAccessible* LocalChildAtPoint(
int32_t aX, int32_t aY, EWhichChildAtPoint aWhichChild) override;
virtual LocalAccessible* LocalChildAt(uint32_t aIndex) const override;
virtual uint32_t ChildCount() const override;
// XULTreeItemAccessibleBase
XULTreeGridCellAccessible* GetCellAccessible(
nsTreeColumn* aColumn) const 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,
dom::XULTreeElement* aTree, nsITreeView* aTreeView,
int32_t aRow, nsTreeColumn* aColumn);
// nsISupports
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(XULTreeGridCellAccessible,
LeafAccessible)
// LocalAccessible
virtual void Shutdown() override;
virtual TableCellAccessible* AsTableCell() override { return this; }
virtual nsRect BoundsInAppUnits() const override;
virtual nsIntRect BoundsInCSSPixels() const override;
virtual ENameValueFlag Name(nsString& aName) const override;
virtual Accessible* FocusedChild() override;
virtual already_AddRefed<AccAttributes> NativeAttributes() override;
virtual int32_t IndexInParent() const override;
virtual Relation RelationByType(RelationType aType) const override;
virtual a11y::role NativeRole() const override;
virtual uint64_t NativeState() const override;
virtual uint64_t NativeInteractiveState() const override;
// ActionAccessible
virtual bool HasPrimaryAction() const override;
virtual void ActionNameAt(uint8_t aIndex, nsAString& aName) 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();
// LocalAccessible
virtual LocalAccessible* GetSiblingAtOffset(
int32_t aOffset, nsresult* aError = nullptr) const override;
MOZ_CAN_RUN_SCRIPT
virtual void DispatchClickEvent(nsIContent* aContent,
uint32_t aActionIndex) const override;
// XULTreeGridCellAccessible
/**
* Return true if value of cell can be modified.
*/
bool IsEditable() const;
enum { eAction_Click = 0 };
RefPtr<dom::XULTreeElement> mTree;
nsITreeView* mTreeView;
int32_t mRow;
RefPtr<nsTreeColumn> mColumn;
nsString mCachedTextEquiv;
};
} // namespace a11y
} // namespace mozilla
#endif
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