| /* |
| * Copyright (c) 1998, 2003, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.awt.im; |
| |
| import java.awt.AWTException; |
| import java.awt.CheckboxMenuItem; |
| import java.awt.Component; |
| import java.awt.Dialog; |
| import java.awt.EventQueue; |
| import java.awt.Frame; |
| import java.awt.PopupMenu; |
| import java.awt.Menu; |
| import java.awt.MenuItem; |
| import java.awt.Toolkit; |
| import sun.awt.AppContext; |
| import java.awt.event.ActionEvent; |
| import java.awt.event.ActionListener; |
| import java.awt.event.InvocationEvent; |
| import java.awt.im.spi.InputMethodDescriptor; |
| import java.lang.reflect.InvocationTargetException; |
| import java.security.AccessController; |
| import java.security.PrivilegedAction; |
| import java.security.PrivilegedActionException; |
| import java.security.PrivilegedExceptionAction; |
| import java.util.Hashtable; |
| import java.util.Iterator; |
| import java.util.Locale; |
| import java.util.ServiceLoader; |
| import java.util.Vector; |
| import java.util.Set; |
| import java.util.prefs.BackingStoreException; |
| import java.util.prefs.Preferences; |
| import sun.awt.InputMethodSupport; |
| import sun.awt.SunToolkit; |
| |
| /** |
| * <code>InputMethodManager</code> is an abstract class that manages the input |
| * method environment of JVM. There is only one <code>InputMethodManager</code> |
| * instance in JVM that is executed under a separate daemon thread. |
| * <code>InputMethodManager</code> performs the following: |
| * <UL> |
| * <LI> |
| * Keeps track of the current input context.</LI> |
| * |
| * <LI> |
| * Provides a user interface to switch input methods and notifies the current |
| * input context about changes made from the user interface.</LI> |
| * </UL> |
| * |
| * The mechanism for supporting input method switch is as follows. (Note that |
| * this may change in future releases.) |
| * |
| * <UL> |
| * <LI> |
| * One way is to use platform-dependent window manager's menu (known as the <I>Window |
| * menu </I>in Motif and the <I>System menu</I> or <I>Control menu</I> in |
| * Win32) on each window which is popped up by clicking the left top box of |
| * a window (known as <I>Window menu button</I> in Motif and <I>System menu |
| * button</I> in Win32). This happens to be common in both Motif and Win32.</LI> |
| * |
| * <LI> |
| * When more than one input method descriptor can be found or the only input |
| * method descriptor found supports multiple locales, a menu item |
| * is added to the window (manager) menu. This item label is obtained invoking |
| * <code>getTriggerMenuString()</code>. If null is returned by this method, it |
| * means that there is only input method or none in the environment. Frame and Dialog |
| * invoke this method.</LI> |
| * |
| * <LI> |
| * This menu item means a trigger switch to the user to pop up a selection |
| * menu.</LI> |
| * |
| * <LI> |
| * When the menu item of the window (manager) menu has been selected by the |
| * user, Frame/Dialog invokes <code>notifyChangeRequest()</code> to notify |
| * <code>InputMethodManager</code> that the user wants to switch input methods.</LI> |
| * |
| * <LI> |
| * <code>InputMethodManager</code> displays a pop-up menu to choose an input method.</LI> |
| * |
| * <LI> |
| * <code>InputMethodManager</code> notifies the current <code>InputContext</code> of |
| * the selected <code>InputMethod</code>.</LI> |
| * </UL> |
| * |
| * <UL> |
| * <LI> |
| * The other way is to use user-defined hot key combination to show the pop-up menu to |
| * choose an input method. This is useful for the platforms which do not provide a |
| * way to add a menu item in the window (manager) menu.</LI> |
| * |
| * <LI> |
| * When the hot key combination is typed by the user, the component which has the input |
| * focus invokes <code>notifyChangeRequestByHotKey()</code> to notify |
| * <code>InputMethodManager</code> that the user wants to switch input methods.</LI> |
| * |
| * <LI> |
| * This results in a popup menu and notification to the current input context, |
| * as above.</LI> |
| * </UL> |
| * |
| * @see java.awt.im.spi.InputMethod |
| * @see sun.awt.im.InputContext |
| * @see sun.awt.im.InputMethodAdapter |
| * @author JavaSoft International |
| */ |
| |
| public abstract class InputMethodManager { |
| |
| /** |
| * InputMethodManager thread name |
| */ |
| private static final String threadName = "AWT-InputMethodManager"; |
| |
| /** |
| * Object for global locking |
| */ |
| private static final Object LOCK = new Object(); |
| |
| /** |
| * The InputMethodManager instance |
| */ |
| private static InputMethodManager inputMethodManager; |
| |
| /** |
| * Returns the instance of InputMethodManager. This method creates |
| * the instance that is unique in the Java VM if it has not been |
| * created yet. |
| * |
| * @return the InputMethodManager instance |
| */ |
| public static final InputMethodManager getInstance() { |
| if (inputMethodManager != null) { |
| return inputMethodManager; |
| } |
| synchronized(LOCK) { |
| if (inputMethodManager == null) { |
| ExecutableInputMethodManager imm = new ExecutableInputMethodManager(); |
| |
| // Initialize the input method manager and start a |
| // daemon thread if the user has multiple input methods |
| // to choose from. Otherwise, just keep the instance. |
| if (imm.hasMultipleInputMethods()) { |
| imm.initialize(); |
| Thread immThread = new Thread(imm, threadName); |
| immThread.setDaemon(true); |
| immThread.setPriority(Thread.NORM_PRIORITY + 1); |
| immThread.start(); |
| } |
| inputMethodManager = imm; |
| } |
| } |
| return inputMethodManager; |
| } |
| |
| /** |
| * Gets a string for the trigger menu item that should be added to |
| * the window manager menu. If no need to display the trigger menu |
| * item, null is returned. |
| */ |
| public abstract String getTriggerMenuString(); |
| |
| /** |
| * Notifies InputMethodManager that input method change has been |
| * requested by the user. This notification triggers a popup menu |
| * for user selection. |
| * |
| * @param comp Component that has accepted the change |
| * request. This component has to be a Frame or Dialog. |
| */ |
| public abstract void notifyChangeRequest(Component comp); |
| |
| /** |
| * Notifies InputMethodManager that input method change has been |
| * requested by the user using the hot key combination. This |
| * notification triggers a popup menu for user selection. |
| * |
| * @param comp Component that has accepted the change |
| * request. This component has the input focus. |
| */ |
| public abstract void notifyChangeRequestByHotKey(Component comp); |
| |
| /** |
| * Sets the current input context so that it will be notified |
| * of input method changes initiated from the user interface. |
| * Set to real input context when activating; to null when |
| * deactivating. |
| */ |
| abstract void setInputContext(InputContext inputContext); |
| |
| /** |
| * Tries to find an input method locator for the given locale. |
| * Returns null if no available input method locator supports |
| * the locale. |
| */ |
| abstract InputMethodLocator findInputMethod(Locale forLocale); |
| |
| /** |
| * Gets the default keyboard locale of the underlying operating system. |
| */ |
| abstract Locale getDefaultKeyboardLocale(); |
| |
| /** |
| * Returns whether multiple input methods are available or not |
| */ |
| abstract boolean hasMultipleInputMethods(); |
| |
| } |
| |
| /** |
| * <code>ExecutableInputMethodManager</code> is the implementation of the |
| * <code>InputMethodManager</code> class. It is runnable as a separate |
| * thread in the AWT environment. |
| * <code>InputMethodManager.getInstance()</code> creates an instance of |
| * <code>ExecutableInputMethodManager</code> and executes it as a deamon |
| * thread. |
| * |
| * @see InputMethodManager |
| */ |
| class ExecutableInputMethodManager extends InputMethodManager |
| implements Runnable |
| { |
| // the input context that's informed about selections from the user interface |
| private InputContext currentInputContext; |
| |
| // Menu item string for the trigger menu. |
| private String triggerMenuString; |
| |
| // popup menu for selecting an input method |
| private InputMethodPopupMenu selectionMenu; |
| private static String selectInputMethodMenuTitle; |
| |
| // locator and name of host adapter |
| private InputMethodLocator hostAdapterLocator; |
| |
| // locators for Java input methods |
| private int javaInputMethodCount; // number of Java input methods found |
| private Vector<InputMethodLocator> javaInputMethodLocatorList; |
| |
| // component that is requesting input method switch |
| // must be Frame or Dialog |
| private Component requestComponent; |
| |
| // input context that is requesting input method switch |
| private InputContext requestInputContext; |
| |
| // IM preference stuff |
| private static final String preferredIMNode = "/sun/awt/im/preferredInputMethod"; |
| private static final String descriptorKey = "descriptor"; |
| private Hashtable preferredLocatorCache = new Hashtable(); |
| private Preferences userRoot; |
| |
| ExecutableInputMethodManager() { |
| |
| // set up host adapter locator |
| Toolkit toolkit = Toolkit.getDefaultToolkit(); |
| try { |
| if (toolkit instanceof InputMethodSupport) { |
| InputMethodDescriptor hostAdapterDescriptor = |
| ((InputMethodSupport)toolkit) |
| .getInputMethodAdapterDescriptor(); |
| if (hostAdapterDescriptor != null) { |
| hostAdapterLocator = new InputMethodLocator(hostAdapterDescriptor, null, null); |
| } |
| } |
| } catch (AWTException e) { |
| // if we can't get a descriptor, we'll just have to do without native input methods |
| } |
| |
| javaInputMethodLocatorList = new Vector<InputMethodLocator>(); |
| initializeInputMethodLocatorList(); |
| } |
| |
| synchronized void initialize() { |
| selectInputMethodMenuTitle = Toolkit.getProperty("AWT.InputMethodSelectionMenu", "Select Input Method"); |
| |
| triggerMenuString = selectInputMethodMenuTitle; |
| } |
| |
| public void run() { |
| // If there are no multiple input methods to choose from, wait forever |
| while (!hasMultipleInputMethods()) { |
| try { |
| synchronized (this) { |
| wait(); |
| } |
| } catch (InterruptedException e) { |
| } |
| } |
| |
| // Loop for processing input method change requests |
| while (true) { |
| waitForChangeRequest(); |
| initializeInputMethodLocatorList(); |
| try { |
| if (requestComponent != null) { |
| showInputMethodMenuOnRequesterEDT(requestComponent); |
| } else { |
| // show the popup menu within the event thread |
| EventQueue.invokeAndWait(new Runnable() { |
| public void run() { |
| showInputMethodMenu(); |
| } |
| }); |
| } |
| } catch (InterruptedException ie) { |
| } catch (InvocationTargetException ite) { |
| // should we do anything under these exceptions? |
| } |
| } |
| } |
| |
| // Shows Input Method Menu on the EDT of requester component |
| // to avoid side effects. See 6544309. |
| private void showInputMethodMenuOnRequesterEDT(Component requester) |
| throws InterruptedException, InvocationTargetException { |
| |
| if (requester == null){ |
| return; |
| } |
| |
| class AWTInvocationLock {} |
| Object lock = new AWTInvocationLock(); |
| |
| InvocationEvent event = |
| new InvocationEvent(requester, |
| new Runnable() { |
| public void run() { |
| showInputMethodMenu(); |
| } |
| }, |
| lock, |
| true); |
| |
| AppContext requesterAppContext = SunToolkit.targetToAppContext(requester); |
| synchronized (lock) { |
| SunToolkit.postEvent(requesterAppContext, event); |
| while (!event.isDispatched()) { |
| lock.wait(); |
| } |
| } |
| |
| Throwable eventThrowable = event.getThrowable(); |
| if (eventThrowable != null) { |
| throw new InvocationTargetException(eventThrowable); |
| } |
| } |
| |
| void setInputContext(InputContext inputContext) { |
| if (currentInputContext != null && inputContext != null) { |
| // don't throw this exception until 4237852 is fixed |
| // throw new IllegalStateException("Can't have two active InputContext at the same time"); |
| } |
| currentInputContext = inputContext; |
| } |
| |
| public synchronized void notifyChangeRequest(Component comp) { |
| if (!(comp instanceof Frame || comp instanceof Dialog)) |
| return; |
| |
| // if busy with the current request, ignore this request. |
| if (requestComponent != null) |
| return; |
| |
| requestComponent = comp; |
| notify(); |
| } |
| |
| public synchronized void notifyChangeRequestByHotKey(Component comp) { |
| while (!(comp instanceof Frame || comp instanceof Dialog)) { |
| if (comp == null) { |
| // no Frame or Dialog found in containment hierarchy. |
| return; |
| } |
| comp = comp.getParent(); |
| } |
| |
| notifyChangeRequest(comp); |
| } |
| |
| public String getTriggerMenuString() { |
| return triggerMenuString; |
| } |
| |
| /* |
| * Returns true if the environment indicates there are multiple input methods |
| */ |
| boolean hasMultipleInputMethods() { |
| return ((hostAdapterLocator != null) && (javaInputMethodCount > 0) |
| || (javaInputMethodCount > 1)); |
| } |
| |
| private synchronized void waitForChangeRequest() { |
| try { |
| while (requestComponent == null) { |
| wait(); |
| } |
| } catch (InterruptedException e) { |
| } |
| } |
| |
| /* |
| * initializes the input method locator list for all |
| * installed input method descriptors. |
| */ |
| private void initializeInputMethodLocatorList() { |
| synchronized (javaInputMethodLocatorList) { |
| javaInputMethodLocatorList.clear(); |
| try { |
| AccessController.doPrivileged(new PrivilegedExceptionAction() { |
| public Object run() { |
| for (InputMethodDescriptor descriptor : |
| ServiceLoader.loadInstalled(InputMethodDescriptor.class)) { |
| ClassLoader cl = descriptor.getClass().getClassLoader(); |
| javaInputMethodLocatorList.add(new InputMethodLocator(descriptor, cl, null)); |
| } |
| return null; |
| } |
| }); |
| } catch (PrivilegedActionException e) { |
| e.printStackTrace(); |
| } |
| javaInputMethodCount = javaInputMethodLocatorList.size(); |
| } |
| |
| if (hasMultipleInputMethods()) { |
| // initialize preferences |
| if (userRoot == null) { |
| userRoot = getUserRoot(); |
| } |
| } else { |
| // indicate to clients not to offer the menu |
| triggerMenuString = null; |
| } |
| } |
| |
| private void showInputMethodMenu() { |
| |
| if (!hasMultipleInputMethods()) { |
| requestComponent = null; |
| return; |
| } |
| |
| // initialize pop-up menu |
| selectionMenu = InputMethodPopupMenu.getInstance(requestComponent, selectInputMethodMenuTitle); |
| |
| // we have to rebuild the menu each time because |
| // some input methods (such as IIIMP) may change |
| // their list of supported locales dynamically |
| selectionMenu.removeAll(); |
| |
| // get information about the currently selected input method |
| // ??? if there's no current input context, what's the point |
| // of showing the menu? |
| String currentSelection = getCurrentSelection(); |
| |
| // Add menu item for host adapter |
| if (hostAdapterLocator != null) { |
| selectionMenu.addOneInputMethodToMenu(hostAdapterLocator, currentSelection); |
| selectionMenu.addSeparator(); |
| } |
| |
| // Add menu items for other input methods |
| for (int i = 0; i < javaInputMethodLocatorList.size(); i++) { |
| InputMethodLocator locator = javaInputMethodLocatorList.get(i); |
| selectionMenu.addOneInputMethodToMenu(locator, currentSelection); |
| } |
| |
| synchronized (this) { |
| selectionMenu.addToComponent(requestComponent); |
| requestInputContext = currentInputContext; |
| selectionMenu.show(requestComponent, 60, 80); // TODO: get proper x, y... |
| requestComponent = null; |
| } |
| } |
| |
| private String getCurrentSelection() { |
| InputContext inputContext = currentInputContext; |
| if (inputContext != null) { |
| InputMethodLocator locator = inputContext.getInputMethodLocator(); |
| if (locator != null) { |
| return locator.getActionCommandString(); |
| } |
| } |
| return null; |
| } |
| |
| synchronized void changeInputMethod(String choice) { |
| InputMethodLocator locator = null; |
| |
| String inputMethodName = choice; |
| String localeString = null; |
| int index = choice.indexOf('\n'); |
| if (index != -1) { |
| localeString = choice.substring(index + 1); |
| inputMethodName = choice.substring(0, index); |
| } |
| if (hostAdapterLocator.getActionCommandString().equals(inputMethodName)) { |
| locator = hostAdapterLocator; |
| } else { |
| for (int i = 0; i < javaInputMethodLocatorList.size(); i++) { |
| InputMethodLocator candidate = javaInputMethodLocatorList.get(i); |
| String name = candidate.getActionCommandString(); |
| if (name.equals(inputMethodName)) { |
| locator = candidate; |
| break; |
| } |
| } |
| } |
| |
| if (locator != null && localeString != null) { |
| String language = "", country = "", variant = ""; |
| int postIndex = localeString.indexOf('_'); |
| if (postIndex == -1) { |
| language = localeString; |
| } else { |
| language = localeString.substring(0, postIndex); |
| int preIndex = postIndex + 1; |
| postIndex = localeString.indexOf('_', preIndex); |
| if (postIndex == -1) { |
| country = localeString.substring(preIndex); |
| } else { |
| country = localeString.substring(preIndex, postIndex); |
| variant = localeString.substring(postIndex + 1); |
| } |
| } |
| Locale locale = new Locale(language, country, variant); |
| locator = locator.deriveLocator(locale); |
| } |
| |
| if (locator == null) |
| return; |
| |
| // tell the input context about the change |
| if (requestInputContext != null) { |
| requestInputContext.changeInputMethod(locator); |
| requestInputContext = null; |
| |
| // remember the selection |
| putPreferredInputMethod(locator); |
| } |
| } |
| |
| InputMethodLocator findInputMethod(Locale locale) { |
| // look for preferred input method first |
| InputMethodLocator locator = getPreferredInputMethod(locale); |
| if (locator != null) { |
| return locator; |
| } |
| |
| if (hostAdapterLocator != null && hostAdapterLocator.isLocaleAvailable(locale)) { |
| return hostAdapterLocator.deriveLocator(locale); |
| } |
| |
| // Update the locator list |
| initializeInputMethodLocatorList(); |
| |
| for (int i = 0; i < javaInputMethodLocatorList.size(); i++) { |
| InputMethodLocator candidate = javaInputMethodLocatorList.get(i); |
| if (candidate.isLocaleAvailable(locale)) { |
| return candidate.deriveLocator(locale); |
| } |
| } |
| return null; |
| } |
| |
| Locale getDefaultKeyboardLocale() { |
| Toolkit toolkit = Toolkit.getDefaultToolkit(); |
| if (toolkit instanceof InputMethodSupport) { |
| return ((InputMethodSupport)toolkit).getDefaultKeyboardLocale(); |
| } else { |
| return Locale.getDefault(); |
| } |
| } |
| |
| /** |
| * Returns a InputMethodLocator object that the |
| * user prefers for the given locale. |
| * |
| * @param locale Locale for which the user prefers the input method. |
| */ |
| private synchronized InputMethodLocator getPreferredInputMethod(Locale locale) { |
| InputMethodLocator preferredLocator = null; |
| |
| if (!hasMultipleInputMethods()) { |
| // No need to look for a preferred Java input method |
| return null; |
| } |
| |
| // look for the cached preference first. |
| preferredLocator = (InputMethodLocator)preferredLocatorCache.get(locale.toString().intern()); |
| if (preferredLocator != null) { |
| return preferredLocator; |
| } |
| |
| // look for the preference in the user preference tree |
| String nodePath = findPreferredInputMethodNode(locale); |
| String descriptorName = readPreferredInputMethod(nodePath); |
| Locale advertised; |
| |
| // get the locator object |
| if (descriptorName != null) { |
| // check for the host adapter first |
| if (hostAdapterLocator != null && |
| hostAdapterLocator.getDescriptor().getClass().getName().equals(descriptorName)) { |
| advertised = getAdvertisedLocale(hostAdapterLocator, locale); |
| if (advertised != null) { |
| preferredLocator = hostAdapterLocator.deriveLocator(advertised); |
| preferredLocatorCache.put(locale.toString().intern(), preferredLocator); |
| } |
| return preferredLocator; |
| } |
| // look for Java input methods |
| for (int i = 0; i < javaInputMethodLocatorList.size(); i++) { |
| InputMethodLocator locator = javaInputMethodLocatorList.get(i); |
| InputMethodDescriptor descriptor = locator.getDescriptor(); |
| if (descriptor.getClass().getName().equals(descriptorName)) { |
| advertised = getAdvertisedLocale(locator, locale); |
| if (advertised != null) { |
| preferredLocator = locator.deriveLocator(advertised); |
| preferredLocatorCache.put(locale.toString().intern(), preferredLocator); |
| } |
| return preferredLocator; |
| } |
| } |
| |
| // maybe preferred input method information is bogus. |
| writePreferredInputMethod(nodePath, null); |
| } |
| |
| return null; |
| } |
| |
| private String findPreferredInputMethodNode(Locale locale) { |
| if (userRoot == null) { |
| return null; |
| } |
| |
| // create locale node relative path |
| String nodePath = preferredIMNode + "/" + createLocalePath(locale); |
| |
| // look for the descriptor |
| while (!nodePath.equals(preferredIMNode)) { |
| try { |
| if (userRoot.nodeExists(nodePath)) { |
| if (readPreferredInputMethod(nodePath) != null) { |
| return nodePath; |
| } |
| } |
| } catch (BackingStoreException bse) { |
| } |
| |
| // search at parent's node |
| nodePath = nodePath.substring(0, nodePath.lastIndexOf('/')); |
| } |
| |
| return null; |
| } |
| |
| private String readPreferredInputMethod(String nodePath) { |
| if ((userRoot == null) || (nodePath == null)) { |
| return null; |
| } |
| |
| return userRoot.node(nodePath).get(descriptorKey, null); |
| } |
| |
| /** |
| * Writes the preferred input method descriptor class name into |
| * the user's Preferences tree in accordance with the given locale. |
| * |
| * @param inputMethodLocator input method locator to remember. |
| */ |
| private synchronized void putPreferredInputMethod(InputMethodLocator locator) { |
| InputMethodDescriptor descriptor = locator.getDescriptor(); |
| Locale preferredLocale = locator.getLocale(); |
| |
| if (preferredLocale == null) { |
| // check available locales of the input method |
| try { |
| Locale[] availableLocales = descriptor.getAvailableLocales(); |
| if (availableLocales.length == 1) { |
| preferredLocale = availableLocales[0]; |
| } else { |
| // there is no way to know which locale is the preferred one, so do nothing. |
| return; |
| } |
| } catch (AWTException ae) { |
| // do nothing here, either. |
| return; |
| } |
| } |
| |
| // for regions that have only one language, we need to regard |
| // "xx_YY" as "xx" when putting the preference into tree |
| if (preferredLocale.equals(Locale.JAPAN)) { |
| preferredLocale = Locale.JAPANESE; |
| } |
| if (preferredLocale.equals(Locale.KOREA)) { |
| preferredLocale = Locale.KOREAN; |
| } |
| if (preferredLocale.equals(new Locale("th", "TH"))) { |
| preferredLocale = new Locale("th"); |
| } |
| |
| // obtain node |
| String path = preferredIMNode + "/" + createLocalePath(preferredLocale); |
| |
| // write in the preference tree |
| writePreferredInputMethod(path, descriptor.getClass().getName()); |
| preferredLocatorCache.put(preferredLocale.toString().intern(), |
| locator.deriveLocator(preferredLocale)); |
| |
| return; |
| } |
| |
| private String createLocalePath(Locale locale) { |
| String language = locale.getLanguage(); |
| String country = locale.getCountry(); |
| String variant = locale.getVariant(); |
| String localePath = null; |
| if (!variant.equals("")) { |
| localePath = "_" + language + "/_" + country + "/_" + variant; |
| } else if (!country.equals("")) { |
| localePath = "_" + language + "/_" + country; |
| } else { |
| localePath = "_" + language; |
| } |
| |
| return localePath; |
| } |
| |
| private void writePreferredInputMethod(String path, String descriptorName) { |
| if (userRoot != null) { |
| Preferences node = userRoot.node(path); |
| |
| // record it |
| if (descriptorName != null) { |
| node.put(descriptorKey, descriptorName); |
| } else { |
| node.remove(descriptorKey); |
| } |
| } |
| } |
| |
| private Preferences getUserRoot() { |
| return (Preferences)AccessController.doPrivileged(new PrivilegedAction() { |
| public Object run() { |
| return Preferences.userRoot(); |
| } |
| }); |
| } |
| |
| private Locale getAdvertisedLocale(InputMethodLocator locator, Locale locale) { |
| Locale advertised = null; |
| |
| if (locator.isLocaleAvailable(locale)) { |
| advertised = locale; |
| } else if (locale.getLanguage().equals("ja")) { |
| // for Japanese, Korean, and Thai, check whether the input method supports |
| // language or language_COUNTRY. |
| if (locator.isLocaleAvailable(Locale.JAPAN)) { |
| advertised = Locale.JAPAN; |
| } else if (locator.isLocaleAvailable(Locale.JAPANESE)) { |
| advertised = Locale.JAPANESE; |
| } |
| } else if (locale.getLanguage().equals("ko")) { |
| if (locator.isLocaleAvailable(Locale.KOREA)) { |
| advertised = Locale.KOREA; |
| } else if (locator.isLocaleAvailable(Locale.KOREAN)) { |
| advertised = Locale.KOREAN; |
| } |
| } else if (locale.getLanguage().equals("th")) { |
| if (locator.isLocaleAvailable(new Locale("th", "TH"))) { |
| advertised = new Locale("th", "TH"); |
| } else if (locator.isLocaleAvailable(new Locale("th"))) { |
| advertised = new Locale("th"); |
| } |
| } |
| |
| return advertised; |
| } |
| } |
