/* -*- 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