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/*
* Copyright (C) 2020 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.google.android.setupdesign.template;
import android.content.Context;
import android.content.res.ColorStateList;
import android.content.res.TypedArray;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import androidx.annotation.AttrRes;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.StringRes;
import com.google.android.setupcompat.PartnerCustomizationLayout;
import com.google.android.setupcompat.internal.TemplateLayout;
import com.google.android.setupcompat.template.Mixin;
import com.google.android.setupdesign.R;
import com.google.android.setupdesign.util.HeaderAreaStyler;
import com.google.android.setupdesign.util.PartnerStyleHelper;
/**
* A {@link com.google.android.setupcompat.template.Mixin} for setting and getting the description
* text.
*/
public class DescriptionMixin implements Mixin {
private static final String TAG = "DescriptionMixin";
private final TemplateLayout templateLayout;
/**
* A {@link com.google.android.setupcompat.template.Mixin} for setting and getting the
* description.
*
* @param layout The layout this Mixin belongs to
* @param attrs XML attributes given to the layout
* @param defStyleAttr The default style attribute as given to the constructor of the layout
*/
public DescriptionMixin(
@NonNull TemplateLayout layout, @Nullable AttributeSet attrs, @AttrRes int defStyleAttr) {
templateLayout = layout;
final TypedArray a =
layout
.getContext()
.obtainStyledAttributes(attrs, R.styleable.SudDescriptionMixin, defStyleAttr, 0);
// Set the description text
final CharSequence descriptionText =
a.getText(R.styleable.SudDescriptionMixin_sudDescriptionText);
if (descriptionText != null) {
setText(descriptionText);
}
// Set the description text color
final ColorStateList descriptionTextColor =
a.getColorStateList(R.styleable.SudDescriptionMixin_sudDescriptionTextColor);
if (descriptionTextColor != null) {
setTextColor(descriptionTextColor);
}
a.recycle();
}
/**
* Applies the partner customizations to the description text (contains text alignment) and
* background, if apply heavy theme resource, it will apply all partner customizations, otherwise,
* only apply alignment style.
*/
public void tryApplyPartnerCustomizationStyle() {
TextView description = templateLayout.findManagedViewById(R.id.sud_layout_subtitle);
boolean partnerHeavyThemeLayout = PartnerStyleHelper.isPartnerHeavyThemeLayout(templateLayout);
if (partnerHeavyThemeLayout) {
if (description != null) {
HeaderAreaStyler.applyPartnerCustomizationDescriptionHeavyStyle(description);
}
} else if (templateLayout instanceof PartnerCustomizationLayout
&& ((PartnerCustomizationLayout) templateLayout).shouldApplyPartnerResource()) {
if (description != null) {
HeaderAreaStyler.applyPartnerCustomizationDescriptionLightStyle(description);
}
}
}
/** Returns the TextView displaying the description. */
public TextView getTextView() {
return (TextView) templateLayout.findManagedViewById(R.id.sud_layout_subtitle);
}
/**
* Sets the description text and also sets the text visibility to visible. This can also be set
* via the XML attribute {@code app:sudDescriptionText}.
*
* @param title The resource ID of the text to be set as description
*/
public void setText(@StringRes int title) {
final TextView titleView = getTextView();
if (titleView != null && title != 0) {
titleView.setText(title);
setVisibility(View.VISIBLE);
} else {
Log.w(TAG, "Fail to set text due to either invalid resource id or text view not found.");
}
}
/**
* Sets the description text and also sets the text visibility to visible. This can also be set
* via the XML attribute {@code app:sudDescriptionText}.
*
* @param title The text to be set as description
*/
public void setText(CharSequence title) {
final TextView titleView = getTextView();
if (titleView != null) {
titleView.setText(title);
setVisibility(View.VISIBLE);
}
}
/** Returns the current description text. */
public CharSequence getText() {
final TextView titleView = getTextView();
return titleView != null ? titleView.getText() : null;
}
/** Sets the visibility of description text */
public void setVisibility(int visibility) {
final TextView titleView = getTextView();
if (titleView != null) {
titleView.setVisibility(visibility);
}
}
/**
* Sets the color of the description text. This can also be set via XML using {@code
* app:sudDescriptionTextColor}.
*
* @param color The text color of the description
*/
public void setTextColor(ColorStateList color) {
final TextView titleView = getTextView();
if (titleView != null) {
titleView.setTextColor(color);
}
}
/** Returns the current text color of the description. */
public ColorStateList getTextColor() {
final TextView titleView = getTextView();
return titleView != null ? titleView.getTextColors() : null;
}
/**
* Call this method ONLY when a layout migrates from {@link
* com.google.android.setupdesign.items.DescriptionItem} to {@link DescriptionMixin}.
*
* <p>If a screen is migrated from {@link com.google.android.setupdesign.items.DescriptionItem} it
* will looks slightly different from the original UI. This method helps keeping the UI consistent
* with the original UI.
*/
public void adjustLegacyDescriptionItem() {
final TextView titleView = getTextView();
final Context context = titleView.getContext();
final ViewGroup.LayoutParams lp = titleView.getLayoutParams();
if (lp instanceof ViewGroup.MarginLayoutParams) {
final ViewGroup.MarginLayoutParams mlp = (ViewGroup.MarginLayoutParams) lp;
int extraBottomMargin =
(int) context.getResources().getDimension(R.dimen.sud_description_margin_bottom_extra);
int extraTopMargin =
(int) context.getResources().getDimension(R.dimen.sud_description_margin_top_extra);
mlp.setMargins(
mlp.leftMargin,
mlp.topMargin + extraTopMargin,
mlp.rightMargin,
mlp.bottomMargin + extraBottomMargin);
}
}
}
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