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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