1 /*
   2  * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.lwawt.macosx;
  27 
  28 import java.awt.*;
  29 import java.awt.im.spi.*;
  30 import java.util.*;
  31 import java.util.List;
  32 
  33 /**
  34 * Provides sufficient information about an input method
  35  * to enable selection and loading of that input method.
  36  * The input method itself is only loaded when it is actually used.
  37  */
  38 
  39 public class CInputMethodDescriptor implements InputMethodDescriptor {
  40 
  41     static {
  42         nativeInit();
  43     }
  44 
  45     public CInputMethodDescriptor() {
  46     }
  47 
  48     /**
  49      * @see java.awt.im.spi.InputMethodDescriptor#getAvailableLocales
  50      */
  51     public Locale[] getAvailableLocales() {
  52         // returns a copy of internal list for public API
  53         Object[] locales = getAvailableLocalesInternal();
  54         Locale[] tmp = new Locale[locales.length];
  55         System.arraycopy(locales, 0, tmp, 0, locales.length);
  56         return tmp;
  57     }
  58 
  59     static Object[] getAvailableLocalesInternal() {
  60         List<?> workList = nativeGetAvailableLocales();
  61 
  62         if (workList != null) {
  63             return workList.toArray();
  64         }
  65 
  66         return new Object[] {
  67             Locale.getDefault()
  68         };
  69     }
  70 
  71     /**
  72         * @see java.awt.im.spi.InputMethodDescriptor#hasDynamicLocaleList
  73      */
  74     public boolean hasDynamicLocaleList() {
  75         return false;
  76     }
  77 
  78     /**
  79         * @see java.awt.im.spi.InputMethodDescriptor#getInputMethodDisplayName
  80      */
  81     public synchronized String getInputMethodDisplayName(Locale inputLocale, Locale displayLanguage) {
  82         String name = "System Input Methods";
  83         if (Locale.getDefault().equals(displayLanguage)) {
  84             name = Toolkit.getProperty("AWT.HostInputMethodDisplayName", name);
  85         }
  86         return name;
  87     }
  88 
  89     /**
  90         * @see java.awt.im.spi.InputMethodDescriptor#getInputMethodIcon
  91      */
  92     public Image getInputMethodIcon(Locale inputLocale) {
  93         // This should return the flag icon corresponding to the input Locale.
  94         return null;
  95     }
  96 
  97     /**
  98         * @see java.awt.im.spi.InputMethodDescriptor#createInputMethod
  99      */
 100     public InputMethod createInputMethod() throws Exception {
 101         return new CInputMethod();
 102     }
 103 
 104     public String toString() {
 105         Locale loc[] = getAvailableLocales();
 106         String locnames = null;
 107 
 108         for (int i = 0; i < loc.length; i++) {
 109             if (locnames == null) {
 110                 locnames = loc[i].toString();
 111             } else {
 112                 locnames += "," + loc[i];
 113             }
 114         }
 115         return getClass().getName() + "[" +
 116             "locales=" + locnames +
 117             ",localelist=" + (hasDynamicLocaleList() ? "dynamic" : "static") +
 118             "]";
 119     }
 120 
 121     private static native void nativeInit();
 122     private static native List<?> nativeGetAvailableLocales();
 123 }