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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.setupwizardlib.items;
import android.content.Context;
import android.content.res.ColorStateList;
import android.content.res.TypedArray;
import android.graphics.PorterDuff.Mode;
import android.graphics.drawable.Drawable;
import android.os.Build.VERSION;
import android.os.Build.VERSION_CODES;
import android.util.AttributeSet;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.TextView;
import com.android.setupwizardlib.R;
import com.android.setupwizardlib.view.CheckableLinearLayout;
/**
* A switch item which is divided into two parts: the start (left for LTR) side shows the title and
* summary, and when that is clicked, will expand to show a longer summary. The end (right for LTR)
* side is a switch which can be toggled by the user.
*
* Note: It is highly recommended to use this item with recycler view rather than list view, because
* list view draws the touch ripple effect on top of the item, rather than letting the item handle
* it. Therefore you might see a double-ripple, one for the expandable area and one for the entire
* list item, when using this in list view.
*/
public class ExpandableSwitchItem extends SwitchItem
implements OnCheckedChangeListener, OnClickListener {
private CharSequence mCollapsedSummary;
private CharSequence mExpandedSummary;
private boolean mIsExpanded = false;
public ExpandableSwitchItem() {
super();
}
public ExpandableSwitchItem(Context context, AttributeSet attrs) {
super(context, attrs);
final TypedArray a =
context.obtainStyledAttributes(attrs, R.styleable.SuwExpandableSwitchItem);
mCollapsedSummary = a.getText(R.styleable.SuwExpandableSwitchItem_suwCollapsedSummary);
mExpandedSummary = a.getText(R.styleable.SuwExpandableSwitchItem_suwExpandedSummary);
a.recycle();
}
@Override
protected int getDefaultLayoutResource() {
return R.layout.suw_items_expandable_switch;
}
@Override
public CharSequence getSummary() {
return mIsExpanded ? getExpandedSummary() : getCollapsedSummary();
}
/**
* @return True if the item is currently expanded.
*/
public boolean isExpanded() {
return mIsExpanded;
}
/**
* Sets whether the item should be expanded.
*/
public void setExpanded(boolean expanded) {
if (mIsExpanded == expanded) {
return;
}
mIsExpanded = expanded;
notifyItemChanged();
}
/**
* @return The summary shown when in collapsed state.
*/
public CharSequence getCollapsedSummary() {
return mCollapsedSummary;
}
/**
* Sets the summary text shown when the item is collapsed. Corresponds to the
* {@code app:suwCollapsedSummary} XML attribute.
*/
public void setCollapsedSummary(CharSequence collapsedSummary) {
mCollapsedSummary = collapsedSummary;
if (!isExpanded()) {
notifyChanged();
}
}
/**
* @return The summary shown when in expanded state.
*/
public CharSequence getExpandedSummary() {
return mExpandedSummary;
}
/**
* Sets the summary text shown when the item is expanded. Corresponds to the
* {@code app:suwExpandedSummary} XML attribute.
*/
public void setExpandedSummary(CharSequence expandedSummary) {
mExpandedSummary = expandedSummary;
if (isExpanded()) {
notifyChanged();
}
}
@Override
public void onBindView(View view) {
// TODO: If it is possible to detect, log a warning if this is being used with ListView.
super.onBindView(view);
View content = view.findViewById(R.id.suw_items_expandable_switch_content);
content.setOnClickListener(this);
if (content instanceof CheckableLinearLayout) {
((CheckableLinearLayout) content).setChecked(isExpanded());
}
tintCompoundDrawables(view);
// Expandable switch item has focusability on the expandable layout on the left, and the
// switch on the right, but not the item itself.
view.setFocusable(false);
}
@Override
public void onClick(View v) {
setExpanded(!isExpanded());
}
// Tint the expand arrow with the text color
private void tintCompoundDrawables(View view) {
final TypedArray a = view.getContext()
.obtainStyledAttributes(new int[] {android.R.attr.textColorPrimary});
final ColorStateList tintColor = a.getColorStateList(0);
a.recycle();
if (tintColor != null) {
TextView titleView = (TextView) view.findViewById(R.id.suw_items_title);
for (Drawable drawable : titleView.getCompoundDrawables()) {
if (drawable != null) {
drawable.setColorFilter(tintColor.getDefaultColor(), Mode.SRC_IN);
}
}
if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR1) {
for (Drawable drawable : titleView.getCompoundDrawablesRelative()) {
if (drawable != null) {
drawable.setColorFilter(tintColor.getDefaultColor(), Mode.SRC_IN);
}
}
}
}
}
}
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