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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings.widget;
import android.content.Context;
import android.transition.TransitionManager;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CompoundButton;
import android.widget.LinearLayout;
import android.widget.Switch;
import android.widget.TextView;
import com.android.settings.R;
import java.util.ArrayList;
public class SwitchBar extends LinearLayout implements CompoundButton.OnCheckedChangeListener {
private ToggleSwitch mSwitch;
private TextView mTextView;
private ArrayList<OnSwitchChangeListener> mSwitchChangeListeners =
new ArrayList<OnSwitchChangeListener>();
public static interface OnSwitchChangeListener {
/**
* Called when the checked state of the Switch has changed.
*
* @param switchView The Switch view whose state has changed.
* @param isChecked The new checked state of switchView.
*/
void onSwitchChanged(Switch switchView, boolean isChecked);
}
public SwitchBar(Context context) {
this(context, null);
}
public SwitchBar(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public SwitchBar(Context context, AttributeSet attrs, int defStyleAttr) {
this(context, attrs, defStyleAttr, 0);
}
public SwitchBar(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
super(context, attrs, defStyleAttr, defStyleRes);
LayoutInflater.from(context).inflate(R.layout.switch_bar, this);
mTextView = (TextView) findViewById(R.id.switch_text);
mTextView.setText(R.string.switch_off_text);
mSwitch = (ToggleSwitch) findViewById(R.id.switch_widget);
mSwitch.setOnCheckedChangeListener(this);
addOnSwitchChangeListener(new OnSwitchChangeListener() {
@Override
public void onSwitchChanged(Switch switchView, boolean isChecked) {
mTextView.setText(isChecked ? R.string.switch_on_text : R.string.switch_off_text);
}
});
mSwitch.setTrackResource(R.drawable.switch_track);
mSwitch.setThumbResource(R.drawable.switch_inner);
// Default is hide
setVisibility(View.GONE);
mSwitch.setVisibility(View.GONE);
}
public void show() {
TransitionManager.beginDelayedTransition((ViewGroup) getParent());
setVisibility(View.VISIBLE);
}
public void hide() {
TransitionManager.beginDelayedTransition((ViewGroup) getParent());
setVisibility(View.GONE);
}
public boolean isShowing() {
return (getVisibility() == View.VISIBLE);
}
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
final int count = mSwitchChangeListeners.size();
for (int n = 0; n < count; n++) {
mSwitchChangeListeners.get(n).onSwitchChanged(mSwitch,isChecked);
}
}
public void addOnSwitchChangeListener(OnSwitchChangeListener listener) {
if (mSwitchChangeListeners.contains(listener)) {
throw new IllegalStateException("Cannot add twice the same OnSwitchChangeListener");
}
mSwitchChangeListeners.add(listener);
}
public void removeOnSwitchChangeListener(OnSwitchChangeListener listener) {
if (!mSwitchChangeListeners.contains(listener)) {
throw new IllegalStateException("Cannot remove OnSwitchChangeListener");
}
mSwitchChangeListeners.remove(listener);
}
public void setSwitchOnBeforeCheckedChangeListener(
ToggleSwitch.OnBeforeCheckedChangeListener listener) {
mSwitch.setOnBeforeCheckedChangeListener(listener);
}
public void setSwitchChecked(boolean checked) {
setSwitchChecked(checked, false);
}
public void setSwitchChecked(boolean checked, boolean checkBefore) {
if (checkBefore) {
ToggleSwitch.OnBeforeCheckedChangeListener listener =
mSwitch.getOnBeforeCheckedChangeListener();
if (listener != null && listener.onBeforeCheckedChanged(mSwitch, checked)) {
return;
}
}
mSwitch.setCheckedInternal(checked);
if (mSwitch.getVisibility() == View.GONE) {
mSwitch.setVisibility(View.VISIBLE);
}
}
public void setSwitchEnabled(boolean enabled) {
mSwitch.setEnabled(enabled);
if (mSwitch.getVisibility() == View.GONE) {
mSwitch.setVisibility(View.VISIBLE);
}
}
public boolean isSwitchChecked() {
return mSwitch.isChecked();
}
}
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