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/*
* Copyright (C) 2017 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.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Switch;
import androidx.annotation.Keep;
import androidx.annotation.Nullable;
import androidx.preference.PreferenceViewHolder;
import com.android.settings.R;
import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
import com.android.settingslib.RestrictedPreference;
/**
* A custom preference that provides inline switch toggle. It has a mandatory field for title, and
* optional fields for icon and sub-text. And it can be restricted by admin state.
*/
public class PrimarySwitchPreference extends RestrictedPreference {
private Switch mSwitch;
private boolean mChecked;
private boolean mCheckedSet;
private boolean mEnableSwitch = true;
public PrimarySwitchPreference(Context context, AttributeSet attrs,
int defStyleAttr, int defStyleRes) {
super(context, attrs, defStyleAttr, defStyleRes);
}
public PrimarySwitchPreference(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
}
public PrimarySwitchPreference(Context context, AttributeSet attrs) {
super(context, attrs);
}
public PrimarySwitchPreference(Context context) {
super(context);
}
@Override
protected int getSecondTargetResId() {
return R.layout.restricted_preference_widget_primary_switch;
}
@Override
public void onBindViewHolder(PreferenceViewHolder holder) {
super.onBindViewHolder(holder);
final View switchWidget = holder.findViewById(R.id.switchWidget);
if (switchWidget != null) {
switchWidget.setVisibility(isDisabledByAdmin() ? View.GONE : View.VISIBLE);
switchWidget.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (mSwitch != null && !mSwitch.isEnabled()) {
return;
}
setChecked(!mChecked);
if (!callChangeListener(mChecked)) {
setChecked(!mChecked);
} else {
persistBoolean(mChecked);
}
}
});
// Consumes move events to ignore drag actions.
switchWidget.setOnTouchListener((v, event) -> {
return event.getActionMasked() == MotionEvent.ACTION_MOVE;
});
}
mSwitch = (Switch) holder.findViewById(R.id.switchWidget);
if (mSwitch != null) {
mSwitch.setContentDescription(getTitle());
mSwitch.setChecked(mChecked);
mSwitch.setEnabled(mEnableSwitch);
}
}
public boolean isChecked() {
return mSwitch != null && mChecked;
}
/**
* Used to validate the state of mChecked and mCheckedSet when testing, without requiring
* that a ViewHolder be bound to the object.
*/
@Keep
@Nullable
public Boolean getCheckedState() {
return mCheckedSet ? mChecked : null;
}
/**
* Set the checked status to be {@code checked}.
*
* @param checked The new checked status
*/
public void setChecked(boolean checked) {
// Always set checked the first time; don't assume the field's default of false.
final boolean changed = mChecked != checked;
if (changed || !mCheckedSet) {
mChecked = checked;
mCheckedSet = true;
if (mSwitch != null) {
mSwitch.setChecked(checked);
}
}
}
/**
* Set the Switch to be the status of {@code enabled}.
*
* @param enabled The new enabled status
*/
public void setSwitchEnabled(boolean enabled) {
mEnableSwitch = enabled;
if (mSwitch != null) {
mSwitch.setEnabled(enabled);
}
}
/**
* If admin is not null, disables the switch.
* Otherwise, keep it enabled.
*/
public void setDisabledByAdmin(EnforcedAdmin admin) {
super.setDisabledByAdmin(admin);
setSwitchEnabled(admin == null);
}
public Switch getSwitch() {
return mSwitch;
}
@Override
protected boolean shouldHideSecondTarget() {
return getSecondTargetResId() == 0;
}
}
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