/[classpath]/classpath/javax/swing/ImageIcon.java
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revision 1.12 by mkoch, Tue Apr 26 07:20:55 2005 UTC revision 1.13 by rabbit78, Wed May 18 15:08:38 2005 UTC
# Line 45  import java.awt.Toolkit; Line 45  import java.awt.Toolkit;
45  import java.awt.image.ImageObserver;  import java.awt.image.ImageObserver;
46  import java.io.Serializable;  import java.io.Serializable;
47  import java.net.URL;  import java.net.URL;
48    import java.util.Locale;
49    
50    import javax.accessibility.Accessible;
51    import javax.accessibility.AccessibleContext;
52    import javax.accessibility.AccessibleIcon;
53    import javax.accessibility.AccessibleRole;
54    import javax.accessibility.AccessibleStateSet;
55    
56  public class ImageIcon  public class ImageIcon
57    implements Icon, Serializable    implements Icon, Serializable, Accessible
58  {  {
59      /**
60       * Accessibility support for ImageIcon.
61       */
62      protected class AccessibleImageIcon
63        extends AccessibleContext
64        implements AccessibleIcon, Serializable
65      {
66        /**
67         * Creates a new instance of AccessibleImageIcon.
68         */
69        protected AccessibleImageIcon()
70        {
71        }
72    
73        /**
74         * Returns the AccessibleRole of ImageIcon, which is
75         * {@link AccessibleRole#ICON}.
76         *
77         * @return {@link AccessibleRole#ICON}
78         */
79        public AccessibleRole getAccessibleRole()
80        {
81          return AccessibleRole.ICON;
82        }
83    
84        /**
85         * Returns the accessible state of this ImageIcon.
86         *
87         * @return the accessible state of this ImageIcon
88         */
89        public AccessibleStateSet getAccessibleStateSet()
90        {
91          // TODO: which state information from ImageIcon is returned here??
92          return new AccessibleStateSet();
93        }
94    
95        /**
96         * Returns the accessible parent of this object, which is <code>null</code>
97         * in this case, because ImageIcons have no parent.
98         *
99         * @return <code>null</code>, because ImageIcons have no parent
100         */
101        public Accessible getAccessibleParent()
102        {
103          // TODO: ImageIcons have no parent, have they ??
104          return null;
105        }
106    
107        /**
108         * Returns the index of this object in its accessible parent, which is
109         * -1 here, because ImageIcons have no accessible parent.
110         *
111         * @return -1 because ImageIcons have no parent
112         */
113        public int getAccessibleIndexInParent()
114        {
115          // TODO: do ImageIcons have parents??
116          return -1;
117        }
118    
119        /**
120         * Returns the number of accessible children of this component,
121         * which is 0, because ImageIcons have no children.
122         *
123         * @return 0 because ImageIcons have no children
124         */
125        public int getAccessibleChildrenCount()
126        {
127          return 0;
128        }
129    
130        /**
131         * Returns the accessible child at index <code>i</code>, which is
132         * <code>null</code> in this case because ImageIcons have no children.
133         *
134         * @param i the index of the child to be fetched
135         *
136         * @return <code>null</code> because ImageIcons have no children
137         */
138        public Accessible getAccessibleChild(int i)
139        {
140          return null;
141        }
142    
143        /**
144         * Returns the locale of this object. This returns the default locale
145         * that is set for the current VM.
146         *
147         * @return the locale of this object
148         */
149        public Locale getLocale()
150        {
151          return Locale.getDefault();
152        }
153    
154        /**
155         * Returns the accessible Icon description. This returns the
156         * actual 'description' property of the ImageIcon.
157         *
158         * @return the accessible Icon description
159         */
160        public String getAccessibleIconDescription()
161        {
162          return getDescription();
163        }
164    
165        /**
166         * Sets the accessible Icon description. This sets the
167         * actual 'description' property of the ImageIcon.
168         *
169         * @param newDescr the description to be set
170         */
171        public void setAccessibleIconDescription(String newDescr)
172        {
173          setDescription(newDescr);
174        }
175    
176        /**
177         * Returns the icon height. This returns the iconHeight property of
178         * the underlying Icon.
179         *
180         * @return the icon height
181         */
182        public int getAccessibleIconHeight()
183        {
184          return getIconHeight();
185        }
186        
187        /**
188         * Returns the icon width. This returns the iconWidth property of
189         * the underlying Icon.
190         *
191         * @return the icon width
192         */
193        public int getAccessibleIconWidth()
194        {
195          return getIconWidth();
196        }
197      } // AccessibleIcon
198    
199    private static final long serialVersionUID = 532615968316031794L;    private static final long serialVersionUID = 532615968316031794L;
200    
201    /** A dummy Component that is used in the MediaTracker. */    /** A dummy Component that is used in the MediaTracker. */
# Line 68  public class ImageIcon Line 214  public class ImageIcon
214    /** The image loading status. */    /** The image loading status. */
215    private int loadStatus;    private int loadStatus;
216    
217      /** The AccessibleContext of this ImageIcon. */
218      private AccessibleContext accessibleContext;
219    
220    public ImageIcon()    public ImageIcon()
221    {    {
222    }    }
# Line 195  public class ImageIcon Line 344  public class ImageIcon
344    {    {
345      return loadStatus;      return loadStatus;
346    }    }
347    
348      /**
349       * Returns the AccessibleContext for this ImageIcon.
350       *
351       * @return the AccessibleContext for this ImageIcon
352       */
353      public AccessibleContext getAccessibleContext()
354      {
355        if (accessibleContext == null)
356          accessibleContext = new AccessibleImageIcon();
357        return accessibleContext;
358      }
359  }  }

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