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      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 
     17 package com.android.systemui.settings;
     18 
     19 import android.content.Context;
     20 import android.content.res.Resources;
     21 import android.content.res.TypedArray;
     22 import android.graphics.drawable.Drawable;
     23 import android.util.AttributeSet;
     24 import android.view.View;
     25 import android.widget.CompoundButton;
     26 import android.widget.RelativeLayout;
     27 import android.widget.SeekBar;
     28 import android.widget.TextView;
     29 
     30 import com.android.systemui.R;
     31 
     32 public class ToggleSlider extends RelativeLayout
     33         implements CompoundButton.OnCheckedChangeListener, SeekBar.OnSeekBarChangeListener {
     34     private static final String TAG = "StatusBar.ToggleSlider";
     35 
     36     public interface Listener {
     37         public void onInit(ToggleSlider v);
     38         public void onChanged(ToggleSlider v, boolean tracking, boolean checked, int value);
     39     }
     40 
     41     private Listener mListener;
     42     private boolean mTracking;
     43 
     44     private CompoundButton mToggle;
     45     private SeekBar mSlider;
     46     private TextView mLabel;
     47 
     48     public ToggleSlider(Context context) {
     49         this(context, null);
     50     }
     51 
     52     public ToggleSlider(Context context, AttributeSet attrs) {
     53         this(context, attrs, 0);
     54     }
     55 
     56     public ToggleSlider(Context context, AttributeSet attrs, int defStyle) {
     57         super(context, attrs, defStyle);
     58         View.inflate(context, R.layout.status_bar_toggle_slider, this);
     59 
     60         final Resources res = context.getResources();
     61         TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.ToggleSlider,
     62                 defStyle, 0);
     63 
     64         mToggle = (CompoundButton)findViewById(R.id.toggle);
     65         mToggle.setOnCheckedChangeListener(this);
     66         mToggle.setBackgroundDrawable(res.getDrawable(R.drawable.status_bar_toggle_button));
     67 
     68         mSlider = (SeekBar)findViewById(R.id.slider);
     69         mSlider.setOnSeekBarChangeListener(this);
     70 
     71         mLabel = (TextView)findViewById(R.id.label);
     72         mLabel.setText(a.getString(R.styleable.ToggleSlider_text));
     73 
     74         a.recycle();
     75     }
     76 
     77     @Override
     78     protected void onAttachedToWindow() {
     79         super.onAttachedToWindow();
     80         if (mListener != null) {
     81             mListener.onInit(this);
     82         }
     83     }
     84 
     85     public void onCheckedChanged(CompoundButton toggle, boolean checked) {
     86         Drawable thumb;
     87         Drawable slider;
     88         final Resources res = getContext().getResources();
     89         if (checked) {
     90             thumb = res.getDrawable(
     91                     com.android.internal.R.drawable.scrubber_control_disabled_holo);
     92             slider = res.getDrawable(
     93                     R.drawable.status_bar_settings_slider_disabled);
     94         } else {
     95             thumb = res.getDrawable(
     96                     com.android.internal.R.drawable.scrubber_control_selector_holo);
     97             slider = res.getDrawable(
     98                     com.android.internal.R.drawable.scrubber_progress_horizontal_holo_dark);
     99         }
    100         mSlider.setThumb(thumb);
    101         mSlider.setProgressDrawable(slider);
    102 
    103         if (mListener != null) {
    104             mListener.onChanged(this, mTracking, checked, mSlider.getProgress());
    105         }
    106     }
    107 
    108     public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
    109         if (mListener != null) {
    110             mListener.onChanged(this, mTracking, mToggle.isChecked(), progress);
    111         }
    112     }
    113 
    114     public void onStartTrackingTouch(SeekBar seekBar) {
    115         mTracking = true;
    116         if (mListener != null) {
    117             mListener.onChanged(this, mTracking, mToggle.isChecked(), mSlider.getProgress());
    118         }
    119         mToggle.setChecked(false);
    120     }
    121 
    122     public void onStopTrackingTouch(SeekBar seekBar) {
    123         mTracking = false;
    124         if (mListener != null) {
    125             mListener.onChanged(this, mTracking, mToggle.isChecked(), mSlider.getProgress());
    126         }
    127     }
    128 
    129     public void setOnChangedListener(Listener l) {
    130         mListener = l;
    131     }
    132 
    133     public void setChecked(boolean checked) {
    134         mToggle.setChecked(checked);
    135     }
    136 
    137     public boolean isChecked() {
    138         return mToggle.isChecked();
    139     }
    140 
    141     public void setMax(int max) {
    142         mSlider.setMax(max);
    143     }
    144 
    145     public void setValue(int value) {
    146         mSlider.setProgress(value);
    147     }
    148 }
    149 
    150