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Diffstat (limited to 'accessibility/bridge/org/openoffice/java/accessibility/AccessibleObjectFactory.java')
| -rw-r--r-- | accessibility/bridge/org/openoffice/java/accessibility/AccessibleObjectFactory.java | 545 |
1 files changed, 545 insertions, 0 deletions
diff --git a/accessibility/bridge/org/openoffice/java/accessibility/AccessibleObjectFactory.java b/accessibility/bridge/org/openoffice/java/accessibility/AccessibleObjectFactory.java new file mode 100644 index 000000000000..129a3b820993 --- /dev/null +++ b/accessibility/bridge/org/openoffice/java/accessibility/AccessibleObjectFactory.java @@ -0,0 +1,545 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +package org.openoffice.java.accessibility; + +import java.lang.ref.WeakReference; +import javax.accessibility.Accessible; +import javax.accessibility.AccessibleStateSet; + +import com.sun.star.uno.*; +import com.sun.star.accessibility.*; +import org.openoffice.java.accessibility.logging.XAccessibleEventLog; + +/** +*/ +public class AccessibleObjectFactory { + // This type is needed for conversions from/to uno Any + public static final Type XAccessibleType = new Type(XAccessible.class); + + private static java.util.Hashtable objectList = new java.util.Hashtable(); + private static java.awt.FocusTraversalPolicy focusTraversalPolicy = new FocusTraversalPolicy(); + + private static java.awt.EventQueue theEventQueue = java.awt.Toolkit.getDefaultToolkit(). + getSystemEventQueue(); + + public static java.awt.EventQueue getEventQueue() { + return theEventQueue; + } + + public static void postFocusGained(java.awt.Component c) { + getEventQueue().postEvent(new java.awt.event.FocusEvent(c, java.awt.event.FocusEvent.FOCUS_GAINED)); + } + + public static void postWindowGainedFocus(java.awt.Window w) { + postWindowEvent(w, java.awt.event.WindowEvent.WINDOW_GAINED_FOCUS); + } + + public static void postWindowLostFocus(java.awt.Window w) { + postWindowEvent(w, java.awt.event.WindowEvent.WINDOW_LOST_FOCUS); + } + + public static void postWindowActivated(java.awt.Window w) { + postWindowEvent(w, java.awt.event.WindowEvent.WINDOW_ACTIVATED); + } + + public static void postWindowDeactivated(java.awt.Window w) { + postWindowEvent(w, java.awt.event.WindowEvent.WINDOW_DEACTIVATED); + } + + public static void postWindowOpened(java.awt.Window w) { + postWindowEvent(w, java.awt.event.WindowEvent.WINDOW_OPENED); + } + + public static void postWindowClosed(java.awt.Window w) { + postWindowEvent(w, java.awt.event.WindowEvent.WINDOW_CLOSED); + } + + public static void invokeAndWait() { + try { + theEventQueue.invokeAndWait( new java.lang.Runnable () { + public void run() { + } + }); + } catch (java.lang.reflect.InvocationTargetException e) { + } catch (java.lang.InterruptedException e) { + } + } + + private static void postWindowEvent(java.awt.Window w, int i) { + theEventQueue.postEvent(new java.awt.event.WindowEvent(w, i)); + } + + public static java.awt.Component getAccessibleComponent(XAccessible xAccessible) { + java.awt.Component c = null; + if (xAccessible != null) { + // Retrieve unique id for the original UNO object to be used as a hash key + String oid = UnoRuntime.generateOid(xAccessible); + + // Check if we already have a wrapper object for this context + synchronized (objectList) { + WeakReference r = (WeakReference) objectList.get(oid); + if(r != null) { + c = (java.awt.Component) r.get(); + } + } + } + return c; + } + + public static void addChild(java.awt.Container parent, Object any) { + try { + addChild(parent, (XAccessible) AnyConverter.toObject(XAccessibleType, any)); + } catch (com.sun.star.lang.IllegalArgumentException e) { + System.err.println(e.getClass().getName() + " caught: " + e.getMessage()); + } + } + + public static void addChild(java.awt.Container parent, XAccessible child) { + try { + if (child != null) { + XAccessibleContext childAC = child.getAccessibleContext(); + if (childAC != null) { + XAccessibleStateSet stateSet = childAC.getAccessibleStateSet(); + if (stateSet != null) { + java.awt.Component c = getAccessibleComponent(child); + + // Re-use existing wrapper if possible, create a new one otherwise + if (c != null) { + // Seems to be already in child list + if (parent.equals(c.getParent())) + return; + // Update general component states + c.setEnabled(stateSet.contains(AccessibleStateType.ENABLED)); + c.setVisible(stateSet.contains(AccessibleStateType.VISIBLE)); + } else { + c = createAccessibleComponentImpl(child, childAC, stateSet); + } + + if (c != null) { + if (c instanceof java.awt.Container) { + populateContainer((java.awt.Container) c, childAC); + } + parent.add(c); + // Simulate focus gained event for new child + if (stateSet.contains(AccessibleStateType.FOCUSED)) { + postFocusGained(c); + } + } + } + } + } + } catch (com.sun.star.uno.RuntimeException e) { + System.err.println(e.getClass().getName() + " caught: " + e.getMessage()); + e.printStackTrace(); + } + } + + protected static void removeChild(java.awt.Container parent, Object any) { + try { + XAccessible xAccessible = (XAccessible) AnyConverter.toObject(XAccessibleType, any); + java.awt.Component c = getAccessibleComponent(xAccessible); + + if (c != null) { + parent.remove(c); + + if (c instanceof java.awt.Container) { + clearContainer((java.awt.Container) c); + } + } + } catch (com.sun.star.lang.IllegalArgumentException e) { + System.err.println(e.getClass().getName() + " caught: " + e.getMessage()); + } + } + + + /** + * Removes all children from the container parent + */ + + protected static void clearContainer(java.awt.Container parent) { + // Purge all children from this container + int count = parent.getComponentCount(); + for (int i = 0; i < count; i++) { + java.awt.Component c = parent.getComponent(i); + if (c instanceof java.awt.Container) { + clearContainer((java.awt.Container) c); + } + } + parent.removeAll(); + } + + + /** + * Populates the given Container parent with wrapper objects for all children of parentAC. This method is + * intended to be called when a container is added using a CHILDREN_CHANGED event. + */ + + protected static void populateContainer(java.awt.Container parent, XAccessibleContext parentAC) { + if (parentAC != null) { + try { + int childCount = parentAC.getAccessibleChildCount(); + for (int i=0; i<childCount; i++) { + addChild(parent, parentAC.getAccessibleChild(i)); + } + } catch (java.lang.Exception e) { + System.err.println(e.getClass().getName() + " caught: " + e.getMessage()); + e.printStackTrace(); + } + } + } + + /** + * Populates the given Container parent with wrapper objects for all children of parentAC. This method is + * intended to be called when a new window has been opened. + */ + protected static void populateContainer(java.awt.Container parent, XAccessibleContext parentAC, java.awt.Window frame) { + if (parentAC != null) { + try { + int childCount = parentAC.getAccessibleChildCount(); + for (int i=0; i<childCount; i++) { + XAccessible child = parentAC.getAccessibleChild(i); + if (child != null) { + XAccessibleContext childAC = child.getAccessibleContext(); + java.awt.Component c = createAccessibleComponent(child, childAC, frame); + if (c != null) { + if (c instanceof java.awt.Container) { + populateContainer((java.awt.Container) c, childAC, frame); + } + parent.add(c); + } + } else if (Build.DEBUG) { + System.err.println("ignoring not accessible child " + i); + } + } + } + + catch (java.lang.Exception e) { + System.err.println(e.getClass().getName() + " caught: " + e.getMessage()); + e.printStackTrace(); + } + } + } + + protected static java.awt.Component createAccessibleComponent(XAccessible xAccessible) { + try { + XAccessibleContext xAccessibleContext = xAccessible.getAccessibleContext(); + if (xAccessibleContext != null) { + return createAccessibleComponentImpl(xAccessible, xAccessibleContext, xAccessibleContext.getAccessibleStateSet()); + } + } catch (com.sun.star.uno.RuntimeException e) { + System.err.println(e.getClass().getName() + " caught: " + e.getMessage()); + e.printStackTrace(); + } + return null; + } + + protected static java.awt.Component createAccessibleComponent(XAccessible xAccessible, XAccessibleContext xAccessibleContext, + java.awt.Window frame) { + if (xAccessibleContext != null) { + try { + XAccessibleStateSet xAccessibleStateSet = xAccessibleContext.getAccessibleStateSet(); + java.awt.Component c = createAccessibleComponentImpl(xAccessible, xAccessibleContext, xAccessibleStateSet); + if (c != null) { + // Set this component as initial component + if (xAccessibleStateSet.contains(AccessibleStateType.FOCUSED)) { + if (frame instanceof NativeFrame) { + ((NativeFrame) frame).setInitialComponent(c); + } + } + return c; + } + } catch (com.sun.star.uno.RuntimeException e) { + System.err.println(e.getClass().getName() + " caught: " + e.getMessage()); + e.printStackTrace(); + } + } + return null; + } + + protected static java.awt.Component createAccessibleComponentImpl(XAccessible xAccessible, XAccessibleContext xAccessibleContext, + XAccessibleStateSet xAccessibleStateSet) { + java.awt.Component c = null; + short role = xAccessibleContext.getAccessibleRole(); + switch (role) { + case AccessibleRole.CANVAS: + c = new Container(javax.accessibility.AccessibleRole.CANVAS, + xAccessible, xAccessibleContext); + break; + case AccessibleRole.CHECK_BOX: + c = new CheckBox(xAccessible, xAccessibleContext); + break; + case AccessibleRole.COMBO_BOX: + c = new ComboBox(xAccessible, xAccessibleContext); + break; + case AccessibleRole.DOCUMENT: + c = new Container(javax.accessibility.AccessibleRole.CANVAS, + xAccessible, xAccessibleContext); + break; + case AccessibleRole.EMBEDDED_OBJECT: + c = new Container(javax.accessibility.AccessibleRole.PANEL, + xAccessible, xAccessibleContext); + break; + case AccessibleRole.END_NOTE: + c = new Container(javax.accessibility.AccessibleRole.PANEL, + xAccessible, xAccessibleContext); + break; + case AccessibleRole.FILLER: + c = new Container(javax.accessibility.AccessibleRole.FILLER, + xAccessible, xAccessibleContext); + break; + case AccessibleRole.FOOTNOTE: + c = new Container(javax.accessibility.AccessibleRole.PANEL, + xAccessible, xAccessibleContext); + break; + case AccessibleRole.FOOTER: + c = new Container(javax.accessibility.AccessibleRole.PANEL, + xAccessible, xAccessibleContext); + break; + case AccessibleRole.GRAPHIC: + c = new Container(javax.accessibility.AccessibleRole.PANEL, + xAccessible, xAccessibleContext); + break; + case AccessibleRole.HEADER: + c = new Container(javax.accessibility.AccessibleRole.PANEL, + xAccessible, xAccessibleContext); + break; + case AccessibleRole.ICON: + c = new Icon(xAccessible, xAccessibleContext); + break; + case AccessibleRole.LABEL: + c = new Label(xAccessible, xAccessibleContext); + break; + case AccessibleRole.LAYERED_PANE: + c = new Container(javax.accessibility.AccessibleRole.LAYERED_PANE, + xAccessible, xAccessibleContext); + break; + case AccessibleRole.LIST: + if (xAccessibleStateSet.contains(AccessibleStateType.MANAGES_DESCENDANTS)) { + c = new List(xAccessible, xAccessibleContext); + } else { + c = new Container(javax.accessibility.AccessibleRole.LIST, + xAccessible, xAccessibleContext); + } + break; + case AccessibleRole.MENU: + c = new Menu(xAccessible, xAccessibleContext); + break; + case AccessibleRole.MENU_BAR: + c = new MenuContainer(javax.accessibility.AccessibleRole.MENU_BAR, xAccessible, xAccessibleContext); + break; + case AccessibleRole.MENU_ITEM: + c = new MenuItem(xAccessible, xAccessibleContext); + break; + case AccessibleRole.POPUP_MENU: + c = new MenuContainer(javax.accessibility.AccessibleRole.POPUP_MENU, xAccessible, xAccessibleContext); + break; + case AccessibleRole.OPTION_PANE: + c = new Container(javax.accessibility.AccessibleRole.OPTION_PANE, + xAccessible, xAccessibleContext); + break; + case AccessibleRole.PAGE_TAB: + c = new Container(javax.accessibility.AccessibleRole.PAGE_TAB, xAccessible, xAccessibleContext); + break; + case AccessibleRole.PAGE_TAB_LIST: + c = new Container(javax.accessibility.AccessibleRole.PAGE_TAB_LIST, xAccessible, xAccessibleContext); + break; + case AccessibleRole.PARAGRAPH: + case AccessibleRole.HEADING: + c = new Paragraph(xAccessible, xAccessibleContext); + break; + case AccessibleRole.PANEL: + c = new Container(javax.accessibility.AccessibleRole.PANEL, + xAccessible, xAccessibleContext); + break; + case AccessibleRole.PUSH_BUTTON: + c = new Button(xAccessible, xAccessibleContext); + break; + case AccessibleRole.RADIO_BUTTON: + c = new RadioButton(xAccessible, xAccessibleContext); + break; + case AccessibleRole.ROOT_PANE: + c = new Container(javax.accessibility.AccessibleRole.ROOT_PANE, + xAccessible, xAccessibleContext); + break; + case AccessibleRole.SCROLL_BAR: + c = new ScrollBar(xAccessible, xAccessibleContext); + break; + case AccessibleRole.SCROLL_PANE: + c = new Container(javax.accessibility.AccessibleRole.SCROLL_PANE, + xAccessible, xAccessibleContext); + break; + case AccessibleRole.SEPARATOR: + c = new Separator(xAccessible, xAccessibleContext); + break; + case AccessibleRole.SHAPE: + c = new Container(javax.accessibility.AccessibleRole.CANVAS, + xAccessible, xAccessibleContext); + break; + case AccessibleRole.SPLIT_PANE: + c = new Container(javax.accessibility.AccessibleRole.SPLIT_PANE, + xAccessible, xAccessibleContext); + break; + case AccessibleRole.STATUS_BAR: + c = new Container(javax.accessibility.AccessibleRole.STATUS_BAR, + xAccessible, xAccessibleContext); + break; + case AccessibleRole.COLUMN_HEADER: + case AccessibleRole.TABLE: + if (xAccessibleStateSet.contains(AccessibleStateType.MANAGES_DESCENDANTS)) { + c = new Table(xAccessible, xAccessibleContext, + xAccessibleStateSet.contains(AccessibleStateType.MULTI_SELECTABLE)); + } else { + c = new Container(javax.accessibility.AccessibleRole.TABLE, + xAccessible, xAccessibleContext); + } + break; + case AccessibleRole.TABLE_CELL: + if( xAccessibleContext.getAccessibleChildCount() > 0 ) + c = new Container(javax.accessibility.AccessibleRole.PANEL, + xAccessible, xAccessibleContext); + else + c = new Label(xAccessible, xAccessibleContext); + break; + case AccessibleRole.TEXT: + c = new TextComponent(xAccessible, xAccessibleContext); + break; + case AccessibleRole.TEXT_FRAME: + c = new Container(javax.accessibility.AccessibleRole.PANEL, + xAccessible, xAccessibleContext); + break; + case AccessibleRole.TOGGLE_BUTTON: + c = new ToggleButton(xAccessible, xAccessibleContext); + break; + case AccessibleRole.TOOL_BAR: + c = new Container(javax.accessibility.AccessibleRole.TOOL_BAR, + xAccessible, xAccessibleContext); + break; + case AccessibleRole.TOOL_TIP: + c = new ToolTip(xAccessible, xAccessibleContext); + break; + case AccessibleRole.TREE: + c = new Tree(xAccessible, xAccessibleContext); + break; + case AccessibleRole.VIEW_PORT: + c = new Container(javax.accessibility.AccessibleRole.VIEWPORT, + xAccessible, xAccessibleContext); + break; + default: + System.err.println("Unmapped accessible object " + role); + System.err.println("usually mapped to " + AccessibleRoleAdapter.getAccessibleRole(role)); + c = new Container(AccessibleRoleAdapter.getAccessibleRole(role), + xAccessible, xAccessibleContext); + break; + } + if (c != null) { + // Add the newly created object to the cache list + synchronized (objectList) { + objectList.put(c.toString(), new WeakReference(c)); + if (Build.DEBUG) { +// System.out.println("Object cache now contains " + objectList.size() + " objects."); + } + } + + AccessibleStateAdapter.setComponentState(c, xAccessibleStateSet); + + if (! Build.PRODUCT) { + String property = System.getProperty("AccessBridgeLogging"); + if ((property != null) && (property.indexOf("event") != -1)) { + XAccessibleEventLog.addEventListener(xAccessibleContext, c); + } + } + } + + return c; + } + + protected static void disposing(java.awt.Component c) { + if (c != null) { + synchronized (objectList) { + objectList.remove(c.toString()); + } + } + } + + public static java.awt.Window getTopWindow(XAccessible xAccessible) { + XAccessibleContext xAccessibleContext = xAccessible.getAccessibleContext(); + + if (xAccessibleContext != null) { + short role = xAccessibleContext.getAccessibleRole(); + XAccessibleStateSet xAccessibleStateSet = xAccessibleContext.getAccessibleStateSet(); + XAccessibleComponent xAccessibleComponent = (XAccessibleComponent) + UnoRuntime.queryInterface(XAccessibleComponent.class, xAccessibleContext); + + java.awt.Window w; + if (role == AccessibleRole.DIALOG) { + w = new Dialog(new Application(), + xAccessibleContext.getAccessibleName(), + xAccessibleStateSet.contains(AccessibleStateType.MODAL), + xAccessibleComponent); + } else if (role == AccessibleRole.ALERT) { + w = new Alert(new Application(), + xAccessibleContext.getAccessibleName(), + xAccessibleStateSet.contains(AccessibleStateType.MODAL), + xAccessibleComponent); + } else if (role == AccessibleRole.FRAME) { + w = new Frame(xAccessibleContext.getAccessibleName(), + xAccessibleComponent); + } else if (role == AccessibleRole.WINDOW) { + java.awt.Window activeWindow = + java.awt.KeyboardFocusManager.getCurrentKeyboardFocusManager().getActiveWindow(); + if (activeWindow != null) { + w = new Window(activeWindow, xAccessibleComponent); + } else { + if (Build.DEBUG) { + System.err.println("no active frame found for Window: " + role); + } + return null; + } + } else { + if (Build.DEBUG) { + System.err.println("invalid role for toplevel window: " + role); + } + return null; + } + populateContainer(w, xAccessibleContext, w); + w.setFocusTraversalPolicy(focusTraversalPolicy); + w.setVisible(true); + + // Make the new window the focused one if it has an initialy focused object set. + java.awt.Component c = ((NativeFrame) w).getInitialComponent(); + if (c != null) { + postWindowGainedFocus(w); + } + return w; + } + + return null; + } +} + + |