1/*
2 * Copyright (c) 2011, 2017, 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
26package sun.lwawt.macosx;
27
28import java.awt.*;
29import java.awt.im.spi.*;
30import java.util.*;
31import 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
39public 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<Object> workList = nativeGetAvailableLocales();
61        Locale currentLocale = CInputMethod.getNativeLocale();
62
63        if (workList == null || workList.isEmpty()) {
64            return new Object[] {
65                    currentLocale != null ? currentLocale : Locale.getDefault()
66            };
67        } else {
68            if (currentLocale != null && !workList.contains(currentLocale)) {
69                workList.add(currentLocale);
70            }
71            return workList.toArray();
72        }
73    }
74
75    /**
76        * @see java.awt.im.spi.InputMethodDescriptor#hasDynamicLocaleList
77     */
78    public boolean hasDynamicLocaleList() {
79        return false;
80    }
81
82    /**
83        * @see java.awt.im.spi.InputMethodDescriptor#getInputMethodDisplayName
84     */
85    public synchronized String getInputMethodDisplayName(Locale inputLocale, Locale displayLanguage) {
86        String name = "System Input Methods";
87        if (Locale.getDefault().equals(displayLanguage)) {
88            name = Toolkit.getProperty("AWT.HostInputMethodDisplayName", name);
89        }
90        return name;
91    }
92
93    /**
94        * @see java.awt.im.spi.InputMethodDescriptor#getInputMethodIcon
95     */
96    public Image getInputMethodIcon(Locale inputLocale) {
97        // This should return the flag icon corresponding to the input Locale.
98        return null;
99    }
100
101    /**
102        * @see java.awt.im.spi.InputMethodDescriptor#createInputMethod
103     */
104    public InputMethod createInputMethod() throws Exception {
105        return new CInputMethod();
106    }
107
108    public String toString() {
109        Locale loc[] = getAvailableLocales();
110        String locnames = null;
111
112        for (int i = 0; i < loc.length; i++) {
113            if (locnames == null) {
114                locnames = loc[i].toString();
115            } else {
116                locnames += "," + loc[i];
117            }
118        }
119        return getClass().getName() + "[" +
120            "locales=" + locnames +
121            ",localelist=" + (hasDynamicLocaleList() ? "dynamic" : "static") +
122            "]";
123    }
124
125    private static native void nativeInit();
126    private static native List<Object> nativeGetAvailableLocales();
127}
128