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Diffstat (limited to 'accessible/xul/XULListboxAccessible.h')
-rw-r--r-- | accessible/xul/XULListboxAccessible.h | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/accessible/xul/XULListboxAccessible.h b/accessible/xul/XULListboxAccessible.h new file mode 100644 index 000000000..057838035 --- /dev/null +++ b/accessible/xul/XULListboxAccessible.h @@ -0,0 +1,173 @@ +/* -*- Mode: C++; tab-width: 4; 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_XULListboxAccessible_h__ +#define mozilla_a11y_XULListboxAccessible_h__ + +#include "BaseAccessibles.h" +#include "TableAccessible.h" +#include "TableCellAccessible.h" +#include "xpcAccessibleTable.h" +#include "xpcAccessibleTableCell.h" +#include "XULMenuAccessible.h" +#include "XULSelectControlAccessible.h" + +namespace mozilla { +namespace a11y { + +/** + * XULColumAccessible are accessible for list and tree columns elements + * (xul:treecols and xul:listcols). + */ +class XULColumAccessible : public AccessibleWrap +{ +public: + XULColumAccessible(nsIContent* aContent, DocAccessible* aDoc); + + // Accessible + virtual a11y::role NativeRole() override; + virtual uint64_t NativeState() override; +}; + +/** + * XULColumnItemAccessible are accessibles for list and tree column elements + * (xul:listcol and xul:treecol). + */ +class XULColumnItemAccessible : public LeafAccessible +{ +public: + XULColumnItemAccessible(nsIContent* aContent, DocAccessible* aDoc); + + // Accessible + virtual a11y::role NativeRole() override; + virtual uint64_t NativeState() override; + + // ActionAccessible + virtual uint8_t ActionCount() override; + virtual void ActionNameAt(uint8_t aIndex, nsAString& aName) override; + virtual bool DoAction(uint8_t aIndex) override; + + enum { eAction_Click = 0 }; +}; + +/* + * A class the represents the XUL Listbox widget. + */ +class XULListboxAccessible : public XULSelectControlAccessible, + public TableAccessible +{ +public: + XULListboxAccessible(nsIContent* aContent, DocAccessible* aDoc); + + // TableAccessible + virtual uint32_t ColCount() override; + virtual uint32_t RowCount() override; + virtual Accessible* CellAt(uint32_t aRowIndex, uint32_t aColumnIndex) 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 void Value(nsString& aValue) override; + virtual TableAccessible* AsTable() override { return this; } + virtual a11y::role NativeRole() override; + virtual uint64_t NativeState() override; + + // Widgets + virtual bool IsWidget() const override; + virtual bool IsActiveWidget() const override; + virtual bool AreItemsOperable() const override; + + virtual Accessible* ContainerWidget() const override; + +protected: + virtual ~XULListboxAccessible() {} + + bool IsMulticolumn() { return ColCount() > 1; } +}; + +/** + * Listitems -- used in listboxes + */ +class XULListitemAccessible : public XULMenuitemAccessible +{ +public: + enum { eAction_Click = 0 }; + + NS_DECL_ISUPPORTS_INHERITED + + XULListitemAccessible(nsIContent* aContent, DocAccessible* aDoc); + + // Accessible + virtual void Description(nsString& aDesc) override; + virtual a11y::role NativeRole() override; + virtual uint64_t NativeState() override; + virtual uint64_t NativeInteractiveState() const override; + + // Actions + virtual void ActionNameAt(uint8_t index, nsAString& aName) override; + + // Widgets + virtual Accessible* ContainerWidget() const override; + +protected: + virtual ~XULListitemAccessible(); + + // Accessible + virtual ENameValueFlag NativeName(nsString& aName) override; + + // XULListitemAccessible + + /** + * Return listbox accessible for the listitem. + */ + Accessible* GetListAccessible() const; + +private: + bool mIsCheckbox; +}; + +/** + * Class represents xul:listcell. + */ +class XULListCellAccessible : public HyperTextAccessibleWrap, + public TableCellAccessible +{ +public: + XULListCellAccessible(nsIContent* aContent, DocAccessible* aDoc); + + // nsISupports + NS_DECL_ISUPPORTS_INHERITED + + // Accessible + virtual TableCellAccessible* AsTableCell() override { return this; } + virtual already_AddRefed<nsIPersistentProperties> NativeAttributes() override; + virtual a11y::role NativeRole() 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 bool Selected() override; + +protected: + virtual ~XULListCellAccessible() {} +}; + +} // namespace a11y +} // namespace mozilla + +#endif |