1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
/*
* Copyright (c) 2013, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.android.musicfx.widget;
import android.content.Context;
import android.content.res.Resources;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.widget.AdapterView;
import android.widget.TextView;
import com.android.musicfx.R;
public class Gallery extends android.widget.Gallery {
public interface OnItemSelectedListener {
public void onItemSelected(int position);
}
private boolean mEnabled = false;
private int mHighlightColor;
private int mLowlightColor;
private int mDisabledColor;
private TextView mLastView = null;
private OnItemSelectedListener mOnItemSelectedListener = null;
public Gallery(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
Resources res = getResources();
mHighlightColor = res.getColor(R.color.highlight);
mLowlightColor = res.getColor(R.color.grey);
mDisabledColor = res.getColor(R.color.disabled_gallery);
setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
TextView tv = (TextView) view;
if (tv != null) {
tv.setTextColor(mEnabled ? mHighlightColor : mDisabledColor);
}
if (mLastView != null && mLastView != tv) {
mLastView.setTextColor(mEnabled ? mLowlightColor : mDisabledColor);
}
mLastView = tv;
if (mEnabled && mOnItemSelectedListener != null) {
mOnItemSelectedListener.onItemSelected(position);
}
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
}
});
}
public Gallery(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public Gallery(Context context) {
this(context, null);
}
public void setOnItemSelectedListener(OnItemSelectedListener listener) {
mOnItemSelectedListener = listener;
}
@Override
public void setEnabled(boolean enabled) {
mEnabled = enabled;
final int count = getChildCount();
for (int i = 0; i < count; ++i) {
final View view = getChildAt(i);
if (view instanceof TextView) {
((TextView) view).setTextColor(enabled ? mLowlightColor : mDisabledColor);
}
}
if (enabled) {
final TextView tv = (TextView) getSelectedView();
if (tv != null) {
tv.setTextColor(mHighlightColor);
}
}
}
@Override
public boolean onDown(MotionEvent e) {
return mEnabled ? super.onDown(e) : false;
}
}
|
