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[gb-231r1-is01/Gingerbread_2.3.3_r1_IS01.git] / frameworks / base / core / java / android / view / SoundEffectConstants.java
1 /*
2  * Copyright (C) 2008 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 package android.view;
18
19 /**
20  * Constants to be used to play sound effects via {@link View#playSoundEffect(int)} 
21  */
22 public class SoundEffectConstants {
23
24     private SoundEffectConstants() {}
25
26     public static final int CLICK = 0;
27
28     public static final int NAVIGATION_LEFT = 1;
29     public static final int NAVIGATION_UP = 2;
30     public static final int NAVIGATION_RIGHT = 3;
31     public static final int NAVIGATION_DOWN = 4;
32
33     /**
34      * Get the sonification constant for the focus directions.
35      * @param direction One of {@link View#FOCUS_UP}, {@link View#FOCUS_DOWN},
36      *     {@link View#FOCUS_LEFT}, {@link View#FOCUS_RIGHT}, {@link View#FOCUS_FORWARD}
37      *     or {@link View#FOCUS_BACKWARD}
38
39      * @return The appropriate sonification constant.
40      */
41     public static int getContantForFocusDirection(int direction) {
42         switch (direction) {
43             case View.FOCUS_RIGHT:
44                 return SoundEffectConstants.NAVIGATION_RIGHT;
45             case View.FOCUS_FORWARD:
46             case View.FOCUS_DOWN:
47                 return SoundEffectConstants.NAVIGATION_DOWN;
48             case View.FOCUS_LEFT:
49                 return SoundEffectConstants.NAVIGATION_LEFT;
50             case View.FOCUS_BACKWARD:
51             case View.FOCUS_UP:
52                 return SoundEffectConstants.NAVIGATION_UP;
53         }
54         throw new IllegalArgumentException("direction must be one of "
55                 + "{FOCUS_UP, FOCUS_DOWN, FOCUS_LEFT, FOCUS_RIGHT, FOCUS_FORWARD, FOCUS_BACKWARD}.");
56     }
57 }