ToggleSlider.java revision 890e1892feac29b5bfe9b5f172a006e161e588d2 
1/*
2 * Copyright (C) 2013 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
17package com.android.systemui.settings;
18
19import android.content.Context;
20import android.content.res.Resources;
21import android.content.res.TypedArray;
22import android.util.AttributeSet;
23import android.view.View;
24import android.widget.CompoundButton;
25import android.widget.CompoundButton.OnCheckedChangeListener;
26import android.widget.RelativeLayout;
27import android.widget.SeekBar;
28import android.widget.SeekBar.OnSeekBarChangeListener;
29import android.widget.TextView;
30
31import com.android.systemui.R;
32
33public class ToggleSlider extends RelativeLayout {
34    public interface Listener {
35        public void onInit(ToggleSlider v);
36        public void onChanged(ToggleSlider v, boolean tracking, boolean checked, int value);
37    }
38
39    private Listener mListener;
40    private boolean mTracking;
41
42    private CompoundButton mToggle;
43    private SeekBar mSlider;
44    private TextView mLabel;
45
46    public ToggleSlider(Context context) {
47        this(context, null);
48    }
49
50    public ToggleSlider(Context context, AttributeSet attrs) {
51        this(context, attrs, 0);
52    }
53
54    public ToggleSlider(Context context, AttributeSet attrs, int defStyle) {
55        super(context, attrs, defStyle);
56
57        View.inflate(context, R.layout.status_bar_toggle_slider, this);
58
59        final Resources res = context.getResources();
60        final TypedArray a = context.obtainStyledAttributes(
61                attrs, R.styleable.ToggleSlider, defStyle, 0);
62
63        mToggle = (CompoundButton) findViewById(R.id.toggle);
64        mToggle.setOnCheckedChangeListener(mCheckListener);
65
66        mSlider = (SeekBar) findViewById(R.id.slider);
67        mSlider.setOnSeekBarChangeListener(mSeekListener);
68
69        mLabel = (TextView) findViewById(R.id.label);
70        mLabel.setText(a.getString(R.styleable.ToggleSlider_text));
71
72        a.recycle();
73    }
74
75    @Override
76    protected void onAttachedToWindow() {
77        super.onAttachedToWindow();
78        if (mListener != null) {
79            mListener.onInit(this);
80        }
81    }
82
83    public void setOnChangedListener(Listener l) {
84        mListener = l;
85    }
86
87    public void setChecked(boolean checked) {
88        mToggle.setChecked(checked);
89    }
90
91    public boolean isChecked() {
92        return mToggle.isChecked();
93    }
94
95    public void setMax(int max) {
96        mSlider.setMax(max);
97    }
98
99    public void setValue(int value) {
100        mSlider.setProgress(value);
101    }
102
103    private final OnCheckedChangeListener mCheckListener = new OnCheckedChangeListener() {
104        @Override
105        public void onCheckedChanged(CompoundButton toggle, boolean checked) {
106            mSlider.setEnabled(!checked);
107
108            if (mListener != null) {
109                mListener.onChanged(
110                        ToggleSlider.this, mTracking, checked, mSlider.getProgress());
111            }
112        }
113    };
114
115    private final OnSeekBarChangeListener mSeekListener = new OnSeekBarChangeListener() {
116        @Override
117        public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
118            if (mListener != null) {
119                mListener.onChanged(
120                        ToggleSlider.this, mTracking, mToggle.isChecked(), progress);
121            }
122        }
123
124        @Override
125        public void onStartTrackingTouch(SeekBar seekBar) {
126            mTracking = true;
127
128            if (mListener != null) {
129                mListener.onChanged(
130                        ToggleSlider.this, mTracking, mToggle.isChecked(), mSlider.getProgress());
131            }
132
133            mToggle.setChecked(false);
134        }
135
136        @Override
137        public void onStopTrackingTouch(SeekBar seekBar) {
138            mTracking = false;
139
140            if (mListener != null) {
141                mListener.onChanged(
142                        ToggleSlider.this, mTracking, mToggle.isChecked(), mSlider.getProgress());
143            }
144        }
145    };
146}
147
148