a11y: Move AccessibleGridControl* classes to toolkit

Move AccessibleGridControlAccess and all related
classes from vcl to toolkit, as that is where the
grid control that makes use of them is located.

Stop using the AccessibleFactory to create the
AccessibleGridControlAccess, but call the ctor
directly in TableControl_Impl::getAccessible,
now that the class is also in the toolkit module.

Further simplificiation can happen in upcoming
commits.

Change-Id: Ic93796bce96916192da7cfffcf1faf00905373c7
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/180668
Reviewed-by: Michael Weghorn <m.weghorn@posteo.de>
Tested-by: Jenkins

1 files changed, 155 insertions, 0 deletions

diff --git a/toolkit/inc/controls/table/AccessibleGridControlHeader.hxx b/toolkit/inc/controls/table/AccessibleGridControlHeader.hxx
new file mode 100644
index 000000000000..f993907b85a0
--- /dev/null
+++ b/toolkit/inc/controls/table/AccessibleGridControlHeader.hxx
@@ -0,0 +1,155 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#pragma once
+
+#include <controls/table/AccessibleGridControlTableBase.hxx>
+
+namespace accessibility {
+
+/** This class represents the accessible object of a header bar of a Grid Control
+   (row or column header bar). This object supports the
+    XAccessibleSelection interface. Selecting a child of this object selects
+    complete rows or columns of the data table. */
+class AccessibleGridControlHeader final : public AccessibleGridControlTableBase
+{
+public:
+    /**  @param rxParent  accessible parent control
+         @param rTable    accessible table
+         @param eObjType  One of the two allowed types AccessibleTableControlObjType::ROWHEADERBAR or
+                          AccessibleTableControlObjType::COLUMNHEADERBAR. */
+    AccessibleGridControlHeader(
+        const css::uno::Reference<
+            css::accessibility::XAccessible >& rxParent,
+            ::vcl::table::IAccessibleTable& rTable,
+            ::vcl::table::AccessibleTableControlObjType  eObjType );
+
+private:
+    virtual ~AccessibleGridControlHeader() override = default;
+
+public:
+    // XAccessibleContext
+
+    /** @return
+        The XAccessible interface of the specified child.
+    */
+    virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL
+    getAccessibleChild( sal_Int64 nChildIndex ) override;
+
+    /** @return  The index of this object among the parent's children. */
+    virtual sal_Int64 SAL_CALL getAccessibleIndexInParent() override;
+
+    // XAccessibleComponent
+
+    /** @return  The accessible child rendered under the given point. */
+    virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL
+    getAccessibleAtPoint( const css::awt::Point& rPoint ) override;
+
+    /** Grabs the focus to (the current cell of) the data table. */
+    virtual void SAL_CALL grabFocus() override;
+
+    // XAccessibleTable
+
+    /** @return  The description text of the specified row. */
+    virtual OUString SAL_CALL
+    getAccessibleRowDescription( sal_Int32 nRow ) override;
+
+    /** @return  The description text of the specified column. */
+    virtual OUString SAL_CALL
+    getAccessibleColumnDescription( sal_Int32 nColumn ) override;
+
+    /** @return  The XAccessibleTable interface of the row header bar. */
+    virtual css::uno::Reference< css::accessibility::XAccessibleTable > SAL_CALL
+    getAccessibleRowHeaders() override;
+
+    /** @return  The XAccessibleTable interface of the column header bar. */
+    virtual css::uno::Reference< css::accessibility::XAccessibleTable > SAL_CALL
+    getAccessibleColumnHeaders() override;
+
+    /** @return  An index list of completely selected rows. */
+    virtual css::uno::Sequence< sal_Int32 > SAL_CALL
+    getSelectedAccessibleRows() override;
+
+    /** @return  An index list of completely selected columns. */
+    virtual css::uno::Sequence< sal_Int32 > SAL_CALL
+    getSelectedAccessibleColumns() override;
+
+    /** @return  TRUE, if the specified row is completely selected. */
+    virtual sal_Bool SAL_CALL isAccessibleRowSelected( sal_Int32 nRow ) override;
+
+    /** @return  TRUE, if the specified column is completely selected. */
+    virtual sal_Bool SAL_CALL isAccessibleColumnSelected( sal_Int32 nColumn ) override;
+
+    /** @return The XAccessible interface of the cell object at the specified
+                cell position. */
+    virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL
+    getAccessibleCellAt( sal_Int32 nRow, sal_Int32 nColumn ) override;
+
+    /** @return  TRUE, if the specified cell is selected. */
+    virtual sal_Bool SAL_CALL isAccessibleSelected( sal_Int32 nRow, sal_Int32 nColumn ) override;
+
+    // XServiceInfo
+
+    /** @return  The name of this class. */
+    virtual OUString SAL_CALL getImplementationName() override;
+
+    /** @return  a unique implementation ID. */
+    virtual css::uno::Sequence< sal_Int8 > SAL_CALL getImplementationId() override;
+
+private:
+    /** Returns the specified row or column. Uses one of the parameters,
+        depending on object type.
+        @attention  This method requires locked mutex's and a living object.
+        @return  The XAccessible interface of the specified column/row. */
+    css::uno::Reference< css::accessibility::XAccessible >
+    implGetChild( sal_Int32 nRow, sal_uInt32 nColumnPos );
+    /** @attention  This method requires locked mutex's and a living object.
+        @return  The bounding box (VCL rect.) relative to the parent window. */
+    virtual tools::Rectangle implGetBoundingBox() override;
+   /** @attention  This method requires locked mutex's and a living object.
+        @return  The bounding box (VCL rect.) in screen coordinates. */
+    virtual AbsoluteScreenPixelRectangle implGetBoundingBoxOnScreen() override;
+
+    // internal helper methods
+
+    /** @return  TRUE, if the objects is a header bar for rows. */
+    inline bool isRowBar() const;
+    /** @return  TRUE, if the objects is a header bar for columns. */
+    inline bool isColumnBar() const;
+};
+
+// inlines
+
+inline bool AccessibleGridControlHeader::isRowBar() const
+{
+    return getType() == ::vcl::table::AccessibleTableControlObjType::ROWHEADERBAR;
+}
+
+inline bool AccessibleGridControlHeader::isColumnBar() const
+{
+    return getType() == ::vcl::table::AccessibleTableControlObjType::COLUMNHEADERBAR;
+}
+
+
+} // namespace accessibility
+
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */