| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| package org.openoffice.java.accessibility; |
| |
| import javax.accessibility.AccessibleContext; |
| import javax.accessibility.AccessibleState; |
| |
| import com.sun.star.uno.AnyConverter; |
| import com.sun.star.uno.UnoRuntime; |
| import com.sun.star.accessibility.*; |
| |
| public class List extends DescendantManager implements javax.accessibility.Accessible { |
| |
| protected List(XAccessible xAccessible, XAccessibleContext xAccessibleContext) { |
| super(xAccessible, xAccessibleContext); |
| } |
| |
| protected void setActiveDescendant(javax.accessibility.Accessible descendant) { |
| javax.accessibility.Accessible oldAD = activeDescendant; |
| activeDescendant = descendant; |
| firePropertyChange(AccessibleContext.ACCESSIBLE_ACTIVE_DESCENDANT_PROPERTY, |
| oldAD, descendant); |
| } |
| |
| protected void setActiveDescendant(Object any) { |
| javax.accessibility.Accessible descendant = null; |
| try { |
| if (AnyConverter.isObject(any)) { |
| XAccessible unoAccessible = (XAccessible) AnyConverter.toObject( |
| AccessibleObjectFactory.XAccessibleType, any); |
| if (unoAccessible != null) { |
| // FIXME: have to handle non transient objects here .. |
| descendant = new ListItem(unoAccessible); |
| if (Build.DEBUG) { |
| try { |
| if (Build.DEBUG) { |
| System.err.println("[List] retrieved active descendant event: new descendant is " + |
| unoAccessible.getAccessibleContext().getAccessibleName()); |
| } |
| } catch (java.lang.NullPointerException e) { |
| System.err.println("*** ERROR *** new active descendant not accessible"); |
| } |
| } |
| } |
| } |
| setActiveDescendant(descendant); |
| } catch (com.sun.star.lang.IllegalArgumentException e) { |
| } |
| } |
| |
| protected void add(XAccessible unoAccessible) { |
| if (unoAccessible != null) { |
| ListItem item = new ListItem(unoAccessible); |
| // The AccessBridge for Windows expects an instance of AccessibleContext |
| // as parameters |
| firePropertyChange(AccessibleContext.ACCESSIBLE_CHILD_PROPERTY, |
| null, item.getAccessibleContext()); |
| } |
| } |
| |
| protected void remove(XAccessible unoAccessible) { |
| if (unoAccessible != null) { |
| ListItem item = new ListItem(unoAccessible); |
| // The AccessBridge for Windows expects an instance of AccessibleContext |
| // as parameters |
| firePropertyChange(AccessibleContext.ACCESSIBLE_CHILD_PROPERTY, |
| item.getAccessibleContext(), null); |
| } |
| } |
| |
| protected void add(Object any) { |
| try { |
| add((XAccessible) AnyConverter.toObject(AccessibleObjectFactory.XAccessibleType, any)); |
| } catch (com.sun.star.lang.IllegalArgumentException e) { |
| } |
| } |
| |
| protected void remove(Object any) { |
| try { |
| remove((XAccessible) AnyConverter.toObject(AccessibleObjectFactory.XAccessibleType, any)); |
| } catch (com.sun.star.lang.IllegalArgumentException e) { |
| } |
| } |
| |
| /** |
| * Update the proxy objects appropriatly on property change events |
| */ |
| protected class AccessibleListListener extends AccessibleDescendantManagerListener { |
| |
| protected AccessibleListListener() { |
| super(); |
| } |
| |
| /** Called by OpenOffice process to notify property changes */ |
| public void notifyEvent(AccessibleEventObject event) { |
| switch (event.EventId) { |
| case AccessibleEventId.ACTIVE_DESCENDANT_CHANGED: |
| setActiveDescendant(event.NewValue); |
| break; |
| case AccessibleEventId.CHILD: |
| if (AnyConverter.isObject(event.OldValue)) { |
| remove(event.OldValue); |
| } |
| if (AnyConverter.isObject(event.NewValue)) { |
| add(event.NewValue); |
| } |
| break; |
| case AccessibleEventId.INVALIDATE_ALL_CHILDREN: |
| // Since List items a transient a child events are mostly used |
| // to attach/detach listeners, it is save to ignore it here |
| break; |
| default: |
| super.notifyEvent(event); |
| } |
| } |
| } |
| |
| protected XAccessibleEventListener createEventListener() { |
| return new AccessibleListListener(); |
| } |
| |
| /** Creates the AccessibleContext associated with this object */ |
| public javax.accessibility.AccessibleContext createAccessibleContext() { |
| return new AccessibleList(); |
| } |
| |
| protected class AccessibleList extends AccessibleDescendantManager { |
| |
| /** Gets the role of this object */ |
| public javax.accessibility.AccessibleRole getAccessibleRole() { |
| return javax.accessibility.AccessibleRole.LIST; |
| } |
| |
| /** Returns the specified Accessible child of the object */ |
| public javax.accessibility.Accessible getAccessibleChild(int i) { |
| javax.accessibility.Accessible child = null; |
| try { |
| XAccessible xAccessible = unoAccessibleContext.getAccessibleChild(i); |
| if (xAccessible != null) { |
| // Re-use the active descandant wrapper if possible |
| javax.accessibility.Accessible activeDescendant = List.this.activeDescendant; |
| if ((activeDescendant instanceof ListItem) && xAccessible.equals(((ListItem) activeDescendant).unoAccessible)) { |
| child = activeDescendant; |
| } else { |
| child = new ListItem(xAccessible); |
| } |
| } |
| } catch (com.sun.star.lang.IndexOutOfBoundsException e) { |
| } catch (com.sun.star.uno.RuntimeException e) { |
| } |
| return child; |
| } |
| |
| /* |
| * AccessibleComponent |
| */ |
| |
| /** Returns the Accessible child, if one exists, contained at the local coordinate Point */ |
| public javax.accessibility.Accessible getAccessibleAt(java.awt.Point p) { |
| javax.accessibility.Accessible child = null; |
| try { |
| XAccessible xAccessible = unoAccessibleComponent.getAccessibleAtPoint(new com.sun.star.awt.Point(p.x, p.y)); |
| if (xAccessible != null) { |
| // Re-use the active descandant wrapper if possible |
| javax.accessibility.Accessible activeDescendant = List.this.activeDescendant; |
| if ((activeDescendant instanceof ListItem) && xAccessible.equals(((ListItem) activeDescendant).unoAccessible)) { |
| child = activeDescendant; |
| } else { |
| child = new ListItem(xAccessible); |
| } |
| } |
| return child; |
| } catch (com.sun.star.uno.RuntimeException e) { |
| return null; |
| } |
| } |
| |
| /* |
| * AccessibleSelection |
| */ |
| |
| /** Returns an Accessible representing the specified selected child of the object */ |
| public javax.accessibility.Accessible getAccessibleSelection(int i) { |
| javax.accessibility.Accessible child = null; |
| try { |
| XAccessible xAccessible = unoAccessibleSelection.getSelectedAccessibleChild(i); |
| if (xAccessible != null) { |
| // Re-use the active descandant wrapper if possible |
| javax.accessibility.Accessible activeDescendant = List.this.activeDescendant; |
| if ((activeDescendant instanceof ListItem) && xAccessible.equals(((ListItem) activeDescendant).unoAccessible)) { |
| child = activeDescendant; |
| } else { |
| child = new ListItem(xAccessible); |
| } |
| } else if (Build.DEBUG) { |
| System.out.println(i + "th selected child is not accessible"); |
| } |
| } catch (com.sun.star.lang.IndexOutOfBoundsException e) { |
| if (Build.DEBUG) { |
| System.err.println("IndexOutOfBoundsException caught for AccessibleList.getAccessibleSelection(" + i + ")"); |
| } |
| } catch (com.sun.star.uno.RuntimeException e) { |
| } |
| return child; |
| } |
| } |
| |
| class ListItem extends java.awt.Component implements javax.accessibility.Accessible { |
| |
| protected XAccessible unoAccessible; |
| |
| public ListItem(XAccessible xAccessible) { |
| unoAccessible = xAccessible; |
| } |
| |
| public Object[] create(Object[] targetSet) { |
| try { |
| java.util.ArrayList list = new java.util.ArrayList(targetSet.length); |
| for (int i=0; i < targetSet.length; i++) { |
| XAccessible xAccessible = (XAccessible) UnoRuntime.queryInterface( |
| XAccessible.class, targetSet[i]); |
| if (xAccessible != null) { |
| list.add(new ListItem(xAccessible)); |
| } |
| } |
| list.trimToSize(); |
| return list.toArray(); |
| } catch (com.sun.star.uno.RuntimeException e) { |
| return null; |
| } |
| } |
| |
| javax.accessibility.AccessibleContext accessibleContext = null; |
| |
| /** Returns the AccessibleContext associated with this object */ |
| public javax.accessibility.AccessibleContext getAccessibleContext() { |
| if (accessibleContext == null) { |
| try { |
| XAccessibleContext xAccessibleContext = unoAccessible.getAccessibleContext(); |
| if (xAccessibleContext != null) { |
| javax.accessibility.AccessibleContext ac = new AccessibleListItem(xAccessibleContext); |
| if (ac != null) { |
| ac.setAccessibleParent(List.this); |
| accessibleContext = ac; |
| } |
| AccessibleStateAdapter.setComponentState(this, xAccessibleContext.getAccessibleStateSet()); |
| } |
| } catch (com.sun.star.uno.RuntimeException e) { |
| } |
| } |
| return accessibleContext; |
| } |
| |
| protected class AccessibleListItem extends javax.accessibility.AccessibleContext { |
| |
| XAccessibleContext unoAccessibleContext; |
| |
| public AccessibleListItem(XAccessibleContext xAccessibleContext) { |
| unoAccessibleContext = xAccessibleContext; |
| } |
| |
| /** Returns the accessible name of this object */ |
| public String getAccessibleName() { |
| try { |
| return unoAccessibleContext.getAccessibleName(); |
| } catch (com.sun.star.uno.RuntimeException e) { |
| return null; |
| } |
| } |
| |
| /** Sets the accessible name of this object */ |
| public void setAccessibleName(String name) { |
| // Not supported |
| } |
| |
| /** Returns the accessible name of this object */ |
| public String getAccessibleDescription() { |
| try { |
| return unoAccessibleContext.getAccessibleDescription(); |
| } catch (com.sun.star.uno.RuntimeException e) { |
| return null; |
| } |
| } |
| |
| /** Sets the accessible name of this object */ |
| public void setAccessibleDescription(String name) { |
| // Not supported |
| } |
| |
| /** Returns the accessible role of this object */ |
| public javax.accessibility.AccessibleRole getAccessibleRole() { |
| try { |
| javax.accessibility.AccessibleRole role = AccessibleRoleAdapter.getAccessibleRole( |
| unoAccessibleContext.getAccessibleRole()); |
| return (role != null) ? role : javax.accessibility.AccessibleRole.LABEL; |
| } catch(com.sun.star.uno.RuntimeException e) { |
| return null; |
| } |
| } |
| |
| /** Gets the locale of the component */ |
| public java.util.Locale getLocale() throws java.awt.IllegalComponentStateException { |
| try { |
| com.sun.star.lang.Locale unoLocale = unoAccessibleContext.getLocale(); |
| return new java.util.Locale(unoLocale.Language, unoLocale.Country); |
| } catch (IllegalAccessibleComponentStateException e) { |
| throw new java.awt.IllegalComponentStateException(e.getMessage()); |
| } catch (com.sun.star.uno.RuntimeException e) { |
| return List.this.getLocale(); |
| } |
| } |
| |
| /** Gets the 0-based index of this object in its accessible parent */ |
| public int getAccessibleIndexInParent() { |
| try { |
| return unoAccessibleContext.getAccessibleIndexInParent(); |
| } catch (com.sun.star.uno.RuntimeException e) { |
| return -1; |
| } |
| } |
| |
| /** Returns the number of accessible children of the object. */ |
| public int getAccessibleChildrenCount() { |
| try { |
| return unoAccessibleContext.getAccessibleChildCount(); |
| } catch (com.sun.star.uno.RuntimeException e) { |
| return 0; |
| } |
| } |
| |
| /** Returns the specified Accessible child of the object. */ |
| public javax.accessibility.Accessible getAccessibleChild(int i) { |
| javax.accessibility.Accessible child = null; |
| try { |
| XAccessible xAccessible = unoAccessibleContext.getAccessibleChild(i); |
| // Re-use the active descandant wrapper if possible |
| javax.accessibility.Accessible activeDescendant = List.this.activeDescendant; |
| if ((activeDescendant instanceof ListItem) && ((ListItem) activeDescendant).unoAccessible.equals(xAccessible)) { |
| child = activeDescendant; |
| } else if (xAccessible != null) { |
| child = new ListItem(xAccessible); |
| } |
| } catch (com.sun.star.lang.IndexOutOfBoundsException e) { |
| } catch (com.sun.star.uno.RuntimeException e) { |
| } |
| return child; |
| } |
| |
| /** Returns the state set of this object */ |
| public javax.accessibility.AccessibleStateSet getAccessibleStateSet() { |
| try { |
| return AccessibleStateAdapter.getAccessibleStateSet(ListItem.this, |
| unoAccessibleContext.getAccessibleStateSet()); |
| } catch (com.sun.star.uno.RuntimeException e) { |
| return AccessibleStateAdapter.getDefunctStateSet(); |
| } |
| } |
| |
| /** Gets the AccessibleComponent associated with this object that has a graphical representation */ |
| public javax.accessibility.AccessibleComponent getAccessibleComponent() { |
| try { |
| XAccessibleComponent unoAccessibleComponent = (XAccessibleComponent) |
| UnoRuntime.queryInterface(XAccessibleComponent.class, unoAccessibleContext); |
| return (unoAccessibleComponent != null) ? |
| new AccessibleComponentImpl(unoAccessibleComponent) : null; |
| } catch (com.sun.star.uno.RuntimeException e) { |
| return null; |
| } |
| } |
| |
| /** Gets the AccessibleAction associated with this object that has a graphical representation */ |
| public javax.accessibility.AccessibleAction getAccessibleAction() { |
| try { |
| XAccessibleAction unoAccessibleAction = (XAccessibleAction) |
| UnoRuntime.queryInterface(XAccessibleAction.class, unoAccessibleContext); |
| return (unoAccessibleAction != null) ? |
| new AccessibleActionImpl(unoAccessibleAction) : null; |
| } catch (com.sun.star.uno.RuntimeException e) { |
| return null; |
| } |
| } |
| |
| /** Gets the AccessibleText associated with this object that has a graphical representation */ |
| public javax.accessibility.AccessibleText getAccessibleText() { |
| |
| if (disposed) |
| return null; |
| |
| try { |
| XAccessibleText unoAccessibleText = (XAccessibleText) |
| UnoRuntime.queryInterface(XAccessibleText.class, unoAccessibleContext); |
| return (unoAccessibleText != null) ? |
| new AccessibleTextImpl(unoAccessibleText) : null; |
| } catch (com.sun.star.uno.RuntimeException e) { |
| return null; |
| } |
| } |
| |
| /** Gets the AccessibleValue associated with this object that has a graphical representation */ |
| public javax.accessibility.AccessibleValue getAccessibleValue() { |
| try { |
| XAccessibleValue unoAccessibleValue = (XAccessibleValue) |
| UnoRuntime.queryInterface(XAccessibleValue.class, unoAccessibleContext); |
| return (unoAccessibleValue != null) ? |
| new AccessibleValueImpl(unoAccessibleValue) : null; |
| } catch (com.sun.star.uno.RuntimeException e) { |
| return null; |
| } |
| } |
| |
| /** Gets the AccessibleText associated with this object presenting text on the display */ |
| public javax.accessibility.AccessibleIcon[] getAccessibleIcon() { |
| try { |
| XAccessibleImage unoAccessibleImage = (XAccessibleImage) |
| UnoRuntime.queryInterface(XAccessibleImage.class, unoAccessibleContext); |
| if (unoAccessibleImage != null) { |
| javax.accessibility.AccessibleIcon[] icons = { new AccessibleIconImpl(unoAccessibleImage) }; |
| return icons; |
| } |
| } catch (com.sun.star.uno.RuntimeException e) { |
| } |
| return null; |
| } |
| } |
| } |
| } |
| |
