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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /accessible/xul/XULTreeGridAccessible.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | accessible/xul/XULTreeGridAccessible.h | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/accessible/xul/XULTreeGridAccessible.h b/accessible/xul/XULTreeGridAccessible.h new file mode 100644 index 0000000000..cfb314d30e --- /dev/null +++ b/accessible/xul/XULTreeGridAccessible.h @@ -0,0 +1,193 @@ +/* -*- 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 |