Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 379 insertions, 0 deletions

diff --git a/toolkit/test/accessibility/AccessibilityTree.java b/toolkit/test/accessibility/AccessibilityTree.java
new file mode 100644
index 000000000..fdf44177a
--- /dev/null
+++ b/toolkit/test/accessibility/AccessibilityTree.java
@@ -0,0 +1,379 @@
+/*
+ * 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 .
+ */
+
+import java.awt.Cursor;
+import java.awt.event.ActionEvent;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.util.ArrayList;
+
+import javax.swing.AbstractAction;
+import javax.swing.JPopupMenu;
+import javax.swing.JTree;
+import javax.swing.event.TreeExpansionEvent;
+import javax.swing.event.TreeExpansionListener;
+import javax.swing.event.TreeWillExpandListener;
+import javax.swing.tree.TreePath;
+
+import com.sun.star.accessibility.XAccessibleContext;
+
+
+
+/** This is the tree component that is responsible for displaying the
+    contents of the tree model on the screen.
+*/
+public class AccessibilityTree
+    implements TreeExpansionListener, TreeWillExpandListener
+{
+    /** Create a new accessibility tree.  Use the specified message display
+        for displaying messages and the specified canvas to draw the
+        graphical representations of accessible objects on.
+    */
+    public AccessibilityTree ()
+    {
+        maTree = new JTree ();
+
+        AccessibilityTreeModel aModel =
+            new AccessibilityTreeModel (
+                new StringNode ("Please press Update button", null));
+        maTree.setModel (aModel);
+
+        maTree.addMouseListener (new MouseListener (this));
+
+        // Listen to expansions and collapses to change the mouse cursor.
+        mnExpandLevel = 0;
+        maTree.addTreeWillExpandListener (this);
+        maTree.addTreeExpansionListener (this);
+    }
+
+    public JTree getComponent ()
+    {
+        return maTree;
+    }
+
+    // Change cursor during expansions to show the user that this is a
+    // lengthy operation.
+    public void treeWillExpand (TreeExpansionEvent e)
+    {
+        if (mnExpandLevel == 0)
+        {
+            maTree.setCursor (new Cursor (Cursor.WAIT_CURSOR));
+        }
+        mnExpandLevel += 1;
+    }
+    public void treeWillCollapse (TreeExpansionEvent e)
+    {
+        if (mnExpandLevel == 0)
+        {
+            maTree.setCursor (new Cursor (Cursor.WAIT_CURSOR));
+        }
+        mnExpandLevel += 1;
+    }
+    public void treeExpanded (TreeExpansionEvent e)
+    {
+        mnExpandLevel -= 1;
+        if (mnExpandLevel == 0)
+        {
+            maTree.setCursor (new Cursor (Cursor.DEFAULT_CURSOR));
+        }
+    }
+    public void treeCollapsed (TreeExpansionEvent e)
+    {
+        mnExpandLevel -= 1;
+        if (mnExpandLevel == 0)
+        {
+            maTree.setCursor (new Cursor (Cursor.DEFAULT_CURSOR));
+        }
+    }
+
+
+
+    public void SetCanvas (Canvas aCanvas)
+    {
+        ((AccessibilityTreeModel)maTree.getModel()).setCanvas(aCanvas);
+    }
+
+    /** Expand the nodes in the subtree rooted in aNode according to the
+        specified expander.  The tree is locked during the expansion.
+    */
+    private void expandTree (AccessibleTreeNode aNode, Expander aExpander)
+    {
+        if (mnExpandLevel == 0)
+        {
+            maTree.setEnabled (false);
+        }
+        mnExpandLevel += 1;
+
+        ((AccessibilityTreeModel)maTree.getModel()).lock ();
+
+        try
+        {
+            expandTree (new TreePath (aNode.createPath()), aExpander);
+        }
+        catch (Exception e)
+        {
+            // Ignore
+        }
+
+        mnExpandLevel -= 1;
+        if (mnExpandLevel == 0)
+        {
+            maTree.setEnabled (true);
+            ((AccessibilityTreeModel)maTree.getModel()).unlock (aNode);
+        }
+    }
+
+    private TreePath expandTree( TreePath aPath, Expander aExpander )
+    {
+        // return first expanded object
+        TreePath aFirst = null;
+
+        try
+        {
+            // get 'our' object
+            Object aObj = aPath.getLastPathComponent();
+
+            // expand this object, if the Expander tells us so
+            if( aExpander.expand( aObj ) )
+            {
+                maTree.expandPath (aPath);
+                aFirst = aPath;
+            }
+
+            // visit all children
+            if (aObj instanceof AccessibleTreeNode)
+            {
+                AccessibleTreeNode aNode = (AccessibleTreeNode)aObj;
+                int nLength = aNode.getChildCount();
+                for( int i = 0; i < nLength; i++ )
+                {
+                    TreePath aRet = expandTree(
+                        aPath.pathByAddingChild( aNode.getChild( i ) ),
+                        aExpander );
+                    if( aFirst == null )
+                        aFirst = aRet;
+                }
+            }
+        }
+        catch (Exception e)
+        {
+            System.out.println ("caught exception while expanding tree path "
+                + aPath + ": " + e);
+            e.printStackTrace ();
+        }
+
+        return aFirst;
+    }
+
+
+    /** Expand all nodes and their subtrees that represent shapes.  Call
+     *  this method from the outside. */
+    public void expandShapes ()
+    {
+        expandShapes ((AccessibleTreeNode)maTree.getModel().getRoot());
+    }
+    private void expandShapes (AccessibleTreeNode aNode)
+    {
+        expandTree (aNode, new ShapeExpander());
+    }
+
+    /** Expand all nodes */
+    public void expandAll ()
+    {
+        expandAll ((AccessibleTreeNode)maTree.getModel().getRoot());
+    }
+    private void expandAll (AccessibleTreeNode aNode)
+    {
+        expandTree (aNode, new AllExpander());
+    }
+
+
+
+    /*
+    public Dimension getPreferredSize ()
+    {
+        Dimension aPreferredSize = super.getPreferredSize();
+        Dimension aMinimumSize = super.getMinimumSize();
+        if (aPreferredSize.width < aMinimumSize.width)
+            aPreferredSize.width = aMinimumSize.width;
+        return aPreferredSize;
+    }
+    */
+
+    private class MouseListener extends MouseAdapter
+    {
+        public MouseListener (AccessibilityTree aTree)
+        {
+            maTree=aTree;
+        }
+        @Override
+        public void mousePressed(MouseEvent e) { popupTrigger(e); }
+        @Override
+        public void mouseClicked(MouseEvent e) { popupTrigger(e); }
+        @Override
+        public void mouseEntered(MouseEvent e) { popupTrigger(e); }
+        @Override
+        public void mouseExited(MouseEvent e) { popupTrigger(e); }
+        @Override
+        public void mouseReleased(MouseEvent e) { popupTrigger(e); }
+
+        private boolean popupTrigger( MouseEvent e )
+        {
+            boolean bIsPopup = e.isPopupTrigger();
+            if( !bIsPopup )
+                return false;
+
+            int selRow = maTree.getComponent().getRowForLocation(e.getX(), e.getY());
+            if (selRow == -1)
+                return bIsPopup;
+
+            TreePath aPath = maTree.getComponent().getPathForLocation(e.getX(), e.getY());
+
+            // check for actions
+            Object aObject = aPath.getLastPathComponent();
+            JPopupMenu aMenu = new JPopupMenu();
+            if( aObject instanceof AccTreeNode )
+            {
+                AccTreeNode aNode = (AccTreeNode)aObject;
+
+                ArrayList<String> aActions = new ArrayList<String>();
+                aMenu.add (new AccessibilityTree.ShapeExpandAction(maTree, aNode));
+                aMenu.add (new AccessibilityTree.SubtreeExpandAction(maTree, aNode));
+
+                aNode.getActions(aActions);
+                for( int i = 0; i < aActions.size(); i++ )
+                {
+                    aMenu.add( new NodeAction(
+                                   aActions.get(i),
+                                   aNode, i ) );
+                }
+            }
+            else if (aObject instanceof AccessibleTreeNode)
+            {
+                AccessibleTreeNode aNode = (AccessibleTreeNode)aObject;
+                String[] aActionNames = aNode.getActions();
+                int nCount=aActionNames.length;
+                if (nCount > 0)
+                {
+                    for (int i=0; i<nCount; i++)
+                        aMenu.add( new NodeAction(
+                            aActionNames[i],
+                            aNode,
+                            i));
+                }
+                else
+                    aMenu = null;
+            }
+            if (aMenu != null)
+                aMenu.show (maTree.getComponent(),
+                    e.getX(), e.getY());
+
+            return bIsPopup;
+        }
+
+        private final AccessibilityTree maTree;
+    }
+
+    private class NodeAction extends AbstractAction
+    {
+        private final int mnIndex;
+        private final AccessibleTreeNode maNode;
+
+        private NodeAction( String aName, AccessibleTreeNode aNode, int nIndex )
+        {
+            super( aName );
+            maNode = aNode;
+            mnIndex = nIndex;
+        }
+
+        public void actionPerformed(ActionEvent e)
+        {
+            maNode.performAction(mnIndex);
+        }
+    }
+
+    // This action expands all shapes in the subtree rooted in the specified node.
+    private class ShapeExpandAction extends AbstractAction
+    {
+        private final AccessibilityTree maTree;
+        private final AccTreeNode maNode;
+        public ShapeExpandAction (AccessibilityTree aTree, AccTreeNode aNode)
+        {
+            super ("Expand Shapes");
+            maTree = aTree;
+            maNode = aNode;
+        }
+        public void actionPerformed (ActionEvent e)
+        {
+            maTree.expandShapes (maNode);
+        }
+    }
+
+    // This action expands all nodes in the subtree rooted in the specified node.
+    private class SubtreeExpandAction extends AbstractAction
+    {
+        private final AccessibilityTree maTree;
+        private final AccTreeNode maNode;
+        public SubtreeExpandAction (AccessibilityTree aTree, AccTreeNode aNode)
+        {
+            super ("Expand Subtree");
+            maTree = aTree;
+            maNode = aNode;
+        }
+        public void actionPerformed (ActionEvent e)
+        {
+            maTree.expandAll (maNode);
+        }
+    }
+
+    /** Predicate class to determine whether a node should be expanded
+     * For use with expandTree method */
+    private abstract class Expander
+    {
+        abstract public boolean expand (Object aObject);
+    }
+
+    /** expand all nodes */
+    private class AllExpander extends Expander
+    {
+        @Override
+        public boolean expand(Object aObject) { return true; }
+    }
+
+    /** expand all nodes with accessibility roles > 100 */
+    private class ShapeExpander extends Expander
+    {
+        @Override
+        public boolean expand (Object aObject)
+        {
+            if (aObject instanceof AccTreeNode)
+            {
+                AccTreeNode aNode = (AccTreeNode)aObject;
+                XAccessibleContext xContext = aNode.getContext();
+                if (xContext != null && xContext.getAccessibleRole() >= 100)
+                    return true;
+            }
+            return false;
+        }
+    }
+
+
+
+    private final JTree  maTree;
+    private int mnExpandLevel;
+}