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Diffstat (limited to 'accessibility/bridge/org/openoffice/java/accessibility/Container.java')
| -rw-r--r-- | accessibility/bridge/org/openoffice/java/accessibility/Container.java | 754 |
1 files changed, 0 insertions, 754 deletions
diff --git a/accessibility/bridge/org/openoffice/java/accessibility/Container.java b/accessibility/bridge/org/openoffice/java/accessibility/Container.java deleted file mode 100644 index 4b447c9c2f92..000000000000 --- a/accessibility/bridge/org/openoffice/java/accessibility/Container.java +++ /dev/null @@ -1,754 +0,0 @@ -/* - * 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 . - */ - -package org.openoffice.java.accessibility; - -import java.awt.Component; -import java.awt.EventQueue; - -import javax.accessibility.AccessibleContext; -import javax.accessibility.AccessibleState; - -import com.sun.star.uno.*; -import com.sun.star.accessibility.*; - -public class Container extends java.awt.Container implements javax.accessibility.Accessible { - - protected XAccessible unoAccessible; - protected XAccessibleContext unoAccessibleContext; - protected XAccessibleComponent unoAccessibleComponent = null; - - protected javax.accessibility.AccessibleRole accessibleRole; - protected javax.accessibility.AccessibleText accessibleText; - protected boolean disposed = false; - - protected Container(javax.accessibility.AccessibleRole role, - XAccessible xAccessible, XAccessibleContext xAccessibleContext) { - accessibleRole = role; - unoAccessible = xAccessible; - unoAccessibleContext = xAccessibleContext; - unoAccessibleComponent = UnoRuntime.queryInterface(XAccessibleComponent.class, - xAccessibleContext); - - // Add the event listener right away, because the global focus notification doesn't - // work yet .. - XAccessibleEventBroadcaster broadcaster = UnoRuntime.queryInterface(XAccessibleEventBroadcaster.class, - unoAccessibleContext); - if (broadcaster != null) { - broadcaster.addAccessibleEventListener(createEventListener()); - } - } - - /** - * Determines whether this <code>Container</code> is showing on screen. - * This means that the component must be visible, and it must be in a - * <code>container</code> that is visible and showing. - * @see #addNotify - * @see #removeNotify - * @since JDK1.0 - */ - public boolean isShowing() { - if (isVisible()) { - java.awt.Container parent = getParent(); - return (parent == null) || parent.isShowing(); - } - return false; - } - - /** - * Makes this <code>Container</code> displayable by connecting it to a - * native screen resource. - * This method is called internally by the toolkit and should - * not be called directly by programs. - * @see #isDisplayable - * @see #removeNotify - * @since JDK1.0 - */ - public void addNotify() { - } - - /** - * Makes this <code>Container</code> undisplayable by destroying it native - * screen resource. - * This method is called by the toolkit internally and should - * not be called directly by programs. - * @see #isDisplayable - * @see #addNotify - * @since JDK1.0 - */ - public void removeNotify() { - } - - /* - * Fake the java focus handling. This is necessary to keep OOo focus - * in sync with the java focus. See java.awt.DefaultKeyboardFocusManager - * for implementation details. - **/ - - /** Requests focus for this object */ - public void requestFocus() { - } - - /** Requests focus for this object */ - public boolean requestFocus(boolean temporary) { - // Must be a no-op to make focus handling work - return true; - } - - /** Requests the focus for this object in the containing window */ - public boolean requestFocusInWindow() { - return requestFocusInWindow(false); - } - - /** Requests the focus for this object in the containing window */ - protected boolean requestFocusInWindow(boolean temporary) { - if (isFocusable() && isVisible()) { - getEventQueue().postEvent(new java.awt.event.FocusEvent(this, java.awt.event.FocusEvent.FOCUS_GAINED, temporary)); - return true; - } - return false; - } - - public Object[] getAccessibleComponents(Object[] targetSet) { - try { - java.util.ArrayList<Component> list = new java.util.ArrayList<Component>(targetSet.length); - for (int i=0; i < targetSet.length; i++) { - java.awt.Component c = AccessibleObjectFactory.getAccessibleComponent( - UnoRuntime.queryInterface(XAccessible.class, targetSet[i])); - if (c != null) { - list.add(c); - } - } - list.trimToSize(); - return list.toArray(); - } catch (com.sun.star.uno.RuntimeException e) { - return null; - } - } - - protected java.awt.EventQueue getEventQueue() { - return java.awt.Toolkit.getDefaultToolkit().getSystemEventQueue(); - } - - protected class PropertyChangeBroadcaster implements Runnable { - String propertyName; - Object oldValue; - Object newValue; - - public PropertyChangeBroadcaster(String name, Object param1, Object param2) { - propertyName = name; - oldValue = param1; - newValue = param2; - } - - public void run() { - // Because this code is executed in the DispatchThread, it is better tocatch every - // exception that might occur - try { - AccessibleContext ac = Container.this.accessibleContext; - if (ac != null) { - ac.firePropertyChange(propertyName, oldValue, newValue); - } - } catch (java.lang.Exception e) { - if (Build.DEBUG) { - System.err.println(e.getClass().getName() + " caught propagating " + propertyName + " event: " + e.getMessage()); - e.printStackTrace(); - } - } - } - } - - protected void firePropertyChange(String property, Object oldValue, Object newValue) { - EventQueue.invokeLater(new PropertyChangeBroadcaster(property, oldValue, newValue)); - } - - protected void fireStatePropertyChange(AccessibleState state, boolean set) { - PropertyChangeBroadcaster broadcaster; - if (set) { - broadcaster = new PropertyChangeBroadcaster( - AccessibleContext.ACCESSIBLE_STATE_PROPERTY, - null, state); - } else { - broadcaster = new PropertyChangeBroadcaster( - AccessibleContext.ACCESSIBLE_STATE_PROPERTY, - state, null); - } - EventQueue.invokeLater(broadcaster); - } - - /** - * Update the proxy objects appropriatly on property change events - */ - protected class AccessibleContainerListener implements XAccessibleEventListener { - - protected AccessibleContainerListener() { - } - - protected java.awt.EventQueue getEventQueue() { - return java.awt.Toolkit.getDefaultToolkit().getSystemEventQueue(); - } - - protected void setComponentState(short state, boolean enable) { - switch (state) { - case AccessibleStateType.ACTIVE: - // Only frames should be active - break; - case AccessibleStateType.ENABLED: - setEnabled(enable); - // Since we can't access awt.Componet.accessibleContext, we need to fire - // this event manually .. - fireStatePropertyChange(AccessibleState.ENABLED, enable); - break; - case AccessibleStateType.FOCUSED: - getEventQueue().postEvent(new java.awt.event.FocusEvent( - Container.this, enable ? - java.awt.event.FocusEvent.FOCUS_GAINED : - java.awt.event.FocusEvent.FOCUS_LOST)); - break; - case AccessibleStateType.SELECTED: - fireStatePropertyChange(AccessibleState.SELECTED, enable); - break; - case AccessibleStateType.SENSITIVE: - // This state equals ENABLED in OOo (but not in Gtk+) and does not exist in Java 1.5 - break; - case AccessibleStateType.SHOWING: - case AccessibleStateType.VISIBLE: - setVisible(enable); - break; - default: - if (Build.DEBUG) { - System.err.println(Container.this + "unexpected state change " + state); - } - break; - } - } - /** Updates the accessible name and fires the appropriate PropertyChangedEvent */ - protected void handleNameChangedEvent(Object any) { - try { - // This causes the property change event to be fired in the VCL thread - // context. If this causes problems, it has to be deligated to the java - // dispatch thread .. - if (accessibleContext != null) { - accessibleContext.setAccessibleName(AnyConverter.toString(any)); - } - } catch (com.sun.star.lang.IllegalArgumentException e) { - } - } - - /** Updates the accessible description and fires the appropriate PropertyChangedEvent */ - protected void handleDescriptionChangedEvent(Object any) { - try { - // This causes the property change event to be fired in the VCL thread - // context. If this causes problems, it has to be deligated to the java - // dispatch thread .. - if (accessibleContext != null) { - accessibleContext.setAccessibleDescription(AnyConverter.toString(any)); - } - } catch (com.sun.star.lang.IllegalArgumentException e) { - } - } - - /** Updates the internal states and fires the appropriate PropertyChangedEvent */ - protected void handleStateChangedEvent(Object any1, Object any2) { - try { - if (AnyConverter.isShort(any1)) { - setComponentState(AnyConverter.toShort(any1), false); - } - - if (AnyConverter.isShort(any2)) { - setComponentState(AnyConverter.toShort(any2), true); - } - } catch (com.sun.star.lang.IllegalArgumentException e) { - } - } - - /* This event is only necessary because some objects in the office don't know their parent - * and are therefor unable to revoke and re-insert themselves. - */ - protected void handleAllChildrenChangedEvent() { - javax.accessibility.Accessible parent = (javax.accessibility.Accessible) getParent(); - if (parent != null) { - javax.accessibility.AccessibleContext parentAC = parent.getAccessibleContext(); - if (parentAC != null) { - - parentAC.firePropertyChange( - javax.accessibility.AccessibleContext.ACCESSIBLE_CHILD_PROPERTY, - Container.this, - null); - - AccessibleObjectFactory.clearContainer(Container.this); - AccessibleObjectFactory.populateContainer(Container.this, unoAccessibleContext); - - parentAC.firePropertyChange( - javax.accessibility.AccessibleContext.ACCESSIBLE_CHILD_PROPERTY, - null, - Container.this); - } - } - } - - /** Called by OpenOffice process to notify property changes */ - public void notifyEvent(AccessibleEventObject event) { - - if ( !disposed ) { - - switch (event.EventId) { - case AccessibleEventId.NAME_CHANGED: - // Set the accessible name for the corresponding context, which will fire a property - // change event itself - handleNameChangedEvent(event.NewValue); - break; - case AccessibleEventId.DESCRIPTION_CHANGED: - // Set the accessible description for the corresponding context, which will fire a property - // change event itself - so do not set propertyName ! - handleDescriptionChangedEvent(event.NewValue); - break; - case AccessibleEventId.STATE_CHANGED: - // Update the internal state set and fire the appropriate PropertyChangedEvent - handleStateChangedEvent(event.OldValue, event.NewValue); - break; - case AccessibleEventId.TEXT_CHANGED: - firePropertyChange(AccessibleContext.ACCESSIBLE_TEXT_PROPERTY, - AccessibleTextImpl.convertTextSegment(event.OldValue), - AccessibleTextImpl.convertTextSegment(event.NewValue)); - break; - case AccessibleEventId.CHILD: - if (AnyConverter.isObject(event.OldValue)) { - AccessibleObjectFactory.removeChild(Container.this, event.OldValue); - } else if (AnyConverter.isObject(event.NewValue)) { - AccessibleObjectFactory.addChild(Container.this, event.NewValue); - } - break; - case AccessibleEventId.VISIBLE_DATA_CHANGED: - case AccessibleEventId.BOUNDRECT_CHANGED: - firePropertyChange(AccessibleContext.ACCESSIBLE_VISIBLE_DATA_PROPERTY, null, null); - break; - /* - * the Java AccessBridge for GNOME maps SELECTION_PROPERTY change events - * for objects of role TEXT to object:text-selection-changed - */ - case AccessibleEventId.TEXT_SELECTION_CHANGED: - case AccessibleEventId.SELECTION_CHANGED: - firePropertyChange(AccessibleContext.ACCESSIBLE_SELECTION_PROPERTY, null, null); - break; - case AccessibleEventId.INVALIDATE_ALL_CHILDREN: - handleAllChildrenChangedEvent(); - break; - default: - // Warn about unhandled events - if(Build.DEBUG) { - System.out.println(this + ": unhandled accessibility event id=" + event.EventId); - } - } - } - } - - /** Called by OpenOffice process to notify that the UNO component is disposing */ - public void disposing(com.sun.star.lang.EventObject eventObject) { - disposed = true; - AccessibleObjectFactory.disposing(Container.this); - } - } - - protected XAccessibleEventListener createEventListener() { - return new AccessibleContainerListener(); - } - - protected javax.accessibility.AccessibleContext accessibleContext = null; - - /** This method actually creates the AccessibleContext object returned by - * getAccessibleContext(). - */ - protected javax.accessibility.AccessibleContext createAccessibleContext() { - return new AccessibleContainer(); - } - - /** Returns the AccessibleContext associated with this object */ - public final javax.accessibility.AccessibleContext getAccessibleContext() { - if (accessibleContext == null) { - try { - AccessibleContext ac = createAccessibleContext(); - if (ac != null) { - // Set accessible name and description here to avoid - // unnecessary property change events later .. - ac.setAccessibleName(unoAccessibleContext.getAccessibleName()); - ac.setAccessibleDescription(unoAccessibleContext.getAccessibleDescription()); - accessibleContext = ac; - } - } catch (com.sun.star.uno.RuntimeException e) { - } - } - return accessibleContext; - } - - protected class AccessibleContainer extends java.awt.Container.AccessibleAWTContainer { - - protected AccessibleContainer() { - /* Since getAccessibleText() is heavily used by the java access - * bridge for gnome and the gnome at-tools, we do a query interface - * here and remember the result. - */ - accessibleText = AccessibleTextImpl.get(unoAccessibleContext); - } - - protected AccessibleContainer(boolean query) { - /* This constructor is explicitly for subclasses that implement - * AccessibleHypertext and therefor the default constructor would - * bring unnecessary overhead. - */ - } - - protected java.awt.event.ComponentListener accessibleComponentHandler = null; - - /** - * Fire PropertyChange listener, if one is registered, - * when shown/hidden.. - */ - protected class AccessibleComponentHandler implements java.awt.event.ComponentListener { - public void componentHidden(java.awt.event.ComponentEvent e) { - AccessibleContainer.this.firePropertyChange( - AccessibleContext.ACCESSIBLE_STATE_PROPERTY, - AccessibleState.VISIBLE, null); - } - - public void componentShown(java.awt.event.ComponentEvent e) { - AccessibleContainer.this.firePropertyChange( - AccessibleContext.ACCESSIBLE_STATE_PROPERTY, - null, AccessibleState.VISIBLE); - } - - public void componentMoved(java.awt.event.ComponentEvent e) { - } - - public void componentResized(java.awt.event.ComponentEvent e) { - } - } // inner class AccessibleContainerHandler - - protected java.awt.event.FocusListener accessibleFocusHandler = null; - - /** - * Fire PropertyChange listener, if one is registered, - * when focus events happen - */ - protected class AccessibleFocusHandler implements java.awt.event.FocusListener { - public void focusGained(java.awt.event.FocusEvent event) { - AccessibleContainer.this.firePropertyChange( - AccessibleContext.ACCESSIBLE_STATE_PROPERTY, - null, AccessibleState.FOCUSED); - if (Build.DEBUG) { - System.err.println("[" + getAccessibleRole() + "] " + getAccessibleName() + " is now focused"); - } - } - public void focusLost(java.awt.event.FocusEvent event) { - AccessibleContainer.this.firePropertyChange( - AccessibleContext.ACCESSIBLE_STATE_PROPERTY, - AccessibleState.FOCUSED, null); - if (Build.DEBUG) { - System.err.println("[" + getAccessibleRole() + "] " + getAccessibleName() + " is no longer focused"); - } - } - } // inner class AccessibleFocusHandler - - protected java.awt.event.ContainerListener accessibleContainerHandler = null; - - /** - * Fire PropertyChange listener, if one is registered, - * when children added/removed. - */ - - protected class AccessibleContainerHandler implements java.awt.event.ContainerListener { - public void componentAdded(java.awt.event.ContainerEvent e) { - java.awt.Component c = e.getChild(); - if (c != null && c instanceof javax.accessibility.Accessible) { - AccessibleContainer.this.firePropertyChange( - AccessibleContext.ACCESSIBLE_CHILD_PROPERTY, - null, ((javax.accessibility.Accessible) c).getAccessibleContext()); - } - } - public void componentRemoved(java.awt.event.ContainerEvent e) { - java.awt.Component c = e.getChild(); - if (c != null && c instanceof javax.accessibility.Accessible) { - AccessibleContainer.this.firePropertyChange( - AccessibleContext.ACCESSIBLE_CHILD_PROPERTY, - ((javax.accessibility.Accessible) c).getAccessibleContext(), null); - } - } - } - - protected int propertyChangeListenerCount = 0; - - /** - * Add a PropertyChangeListener to the listener list. - * - * @param listener The PropertyChangeListener to be added - */ - public void addPropertyChangeListener(java.beans.PropertyChangeListener listener) { - if (propertyChangeListenerCount++ == 0) { - accessibleFocusHandler = new AccessibleFocusHandler(); - Container.this.addFocusListener(accessibleFocusHandler); - - accessibleContainerHandler = new AccessibleContainerHandler(); - Container.this.addContainerListener(accessibleContainerHandler); - - accessibleComponentHandler = new AccessibleComponentHandler(); - Container.this.addComponentListener(accessibleComponentHandler); - } - super.addPropertyChangeListener(listener); - } - - /** - * Remove a PropertyChangeListener from the listener list. - * This removes a PropertyChangeListener that was registered - * for all properties. - * - * @param listener The PropertyChangeListener to be removed - */ - public void removePropertyChangeListener(java.beans.PropertyChangeListener listener) { - if (--propertyChangeListenerCount == 0) { - Container.this.removeComponentListener(accessibleComponentHandler); - accessibleComponentHandler = null; - - Container.this.removeContainerListener(accessibleContainerHandler); - accessibleContainerHandler = null; - - Container.this.removeFocusListener(accessibleFocusHandler); - accessibleFocusHandler = null; - } - super.removePropertyChangeListener(listener); - } - - /** Gets the role of this object */ - public javax.accessibility.AccessibleRole getAccessibleRole() { - return accessibleRole; - } - - /** Gets the AccessibleText associated with this object presenting text on the display */ - public javax.accessibility.AccessibleText getAccessibleText() { - - if (disposed) - return null; - - return accessibleText; - } - - /** - * Gets the current state set of this object. - * - * @return an instance of <code>AccessibleStateSet</code> - * containing the current state set of the object - * @see AccessibleState - */ - public javax.accessibility.AccessibleStateSet getAccessibleStateSet() { - if (disposed) - return AccessibleStateAdapter.getDefunctStateSet(); - - try { - return AccessibleStateAdapter.getAccessibleStateSet(Container.this, - unoAccessibleContext.getAccessibleStateSet()); - } catch (com.sun.star.uno.RuntimeException e) { - return AccessibleStateAdapter.getDefunctStateSet(); - } - } - - /** Returns the AccessibleSelection interface for this object */ - public javax.accessibility.AccessibleSelection getAccessibleSelection() { - try { - XAccessibleSelection unoAccessibleSelection = UnoRuntime.queryInterface(XAccessibleSelection.class, unoAccessibleContext); - if (unoAccessibleSelection != null) { - return new AccessibleSelectionImpl(unoAccessibleSelection); - } - } 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 = unoAccessible.getAccessibleContext().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 super.getLocale(); - } - } - - /* - * AccessibleComponent - */ - - /** Returns the background color of the object */ - public java.awt.Color getBackground() { - try { - return new java.awt.Color(unoAccessibleComponent.getBackground()); - } catch (com.sun.star.uno.RuntimeException e) { - return null; - } - } - - public void setBackground(java.awt.Color c) { - // Not supported by UNO accessibility API - } - - /** Returns the foreground color of the object */ - public java.awt.Color getForeground() { - try { - return new java.awt.Color(unoAccessibleComponent.getForeground()); - } catch (com.sun.star.uno.RuntimeException e) { - return null; - } - } - - public void setForeground(java.awt.Color c) { - // Not supported by UNO accessibility API - } - - public java.awt.Cursor getCursor() { - // Not supported by UNO accessibility API - return null; - } - - public void setCursor(java.awt.Cursor cursor) { - // Not supported by UNO accessibility API - } - - public java.awt.Font getFont() { - // FIXME - return null; - } - - public void setFont(java.awt.Font f) { - // Not supported by UNO accessibility API - } - - public java.awt.FontMetrics getFontMetrics(java.awt.Font f) { - // FIXME - return null; - } - - public boolean isEnabled() { - return Container.this.isEnabled(); - } - - public void setEnabled(boolean b) { - // Not supported by UNO accessibility API - } - - public boolean isVisible() { - return Container.this.isVisible(); - } - - public void setVisible(boolean b) { - // Not supported by UNO accessibility API - } - - public boolean isShowing() { - return Container.this.isShowing(); - } - - public boolean contains(java.awt.Point p) { - try { - return unoAccessibleComponent.containsPoint(new com.sun.star.awt.Point(p.x, p.y)); - } catch (com.sun.star.uno.RuntimeException e) { - return false; - } - } - - /** Returns the location of the object on the screen. */ - public java.awt.Point getLocationOnScreen() { - try { - com.sun.star.awt.Point unoPoint = unoAccessibleComponent.getLocationOnScreen(); - return new java.awt.Point(unoPoint.X, unoPoint.Y); - } catch (com.sun.star.uno.RuntimeException e) { - return null; - } - } - - /** Gets the location of this component in the form of a point specifying the component's top-left corner */ - public java.awt.Point getLocation() { - try { - com.sun.star.awt.Point unoPoint = unoAccessibleComponent.getLocation(); - return new java.awt.Point( unoPoint.X, unoPoint.Y ); - } catch (com.sun.star.uno.RuntimeException e) { - return null; - } - } - - /** Moves this component to a new location */ - public void setLocation(java.awt.Point p) { - // Not supported by UNO accessibility API - } - - /** Gets the bounds of this component in the form of a Rectangle object */ - public java.awt.Rectangle getBounds() { - try { - com.sun.star.awt.Rectangle unoRect = unoAccessibleComponent.getBounds(); - return new java.awt.Rectangle(unoRect.X, unoRect.Y, unoRect.Width, unoRect.Height); - } catch (com.sun.star.uno.RuntimeException e) { - return null; - } - } - - /** Moves and resizes this component to conform to the new bounding rectangle r */ - public void setBounds(java.awt.Rectangle r) { - // Not supported by UNO accessibility API - } - - /** Returns the size of this component in the form of a Dimension object */ - public java.awt.Dimension getSize() { - try { - com.sun.star.awt.Size unoSize = unoAccessibleComponent.getSize(); - return new java.awt.Dimension(unoSize.Width, unoSize.Height); - } catch (com.sun.star.uno.RuntimeException e) { - return null; - } - } - - /** Resizes this component so that it has width d.width and height d.height */ - public void setSize(java.awt.Dimension d) { - // Not supported by UNO accessibility API - } - - /** Returns the Accessible child, if one exists, contained at the local coordinate Point */ - public javax.accessibility.Accessible getAccessibleAt(java.awt.Point p) { - try { - java.awt.Component c = AccessibleObjectFactory.getAccessibleComponent( - unoAccessibleComponent.getAccessibleAtPoint(new com.sun.star.awt.Point(p.x, p.y))); - - return (javax.accessibility.Accessible) c; - } catch (com.sun.star.uno.RuntimeException e) { - return null; - } - } - - public boolean isFocusTraversable() { - return Container.this.isFocusable(); - } - - public void requestFocus() { - unoAccessibleComponent.grabFocus(); - } - } - - public String toString() { - return UnoRuntime.generateOid(unoAccessible); - } -} - |