4860e4ee48
Test: make setup-wizard-lib Bug: 76692459 Change-Id: I40171e973d442b1a1815e9e7d7c2cc984cb38bac
119 lines
3.8 KiB
Java
119 lines
3.8 KiB
Java
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.setupwizardlib.template;
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import android.content.Context;
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import android.content.res.TypedArray;
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import android.graphics.drawable.Drawable;
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import android.util.AttributeSet;
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import android.view.View;
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import android.widget.ImageView;
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import androidx.annotation.DrawableRes;
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import com.android.setupwizardlib.R;
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import com.android.setupwizardlib.TemplateLayout;
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/**
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* A {@link Mixin} for setting an icon on the template layout.
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*/
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public class IconMixin implements Mixin {
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private TemplateLayout mTemplateLayout;
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/**
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* @param layout The template layout that this Mixin is a part of.
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* @param attrs XML attributes given to the layout.
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* @param defStyleAttr The default style attribute as given to the constructor of the layout.
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*/
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public IconMixin(TemplateLayout layout, AttributeSet attrs, int defStyleAttr) {
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mTemplateLayout = layout;
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final Context context = layout.getContext();
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final TypedArray a =
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context.obtainStyledAttributes(attrs, R.styleable.SuwIconMixin, defStyleAttr, 0);
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final @DrawableRes int icon = a.getResourceId(R.styleable.SuwIconMixin_android_icon, 0);
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if (icon != 0) {
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setIcon(icon);
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}
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a.recycle();
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}
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/**
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* Sets the icon on this layout. The icon can also be set in XML using {@code android:icon}.
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*
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* @param icon A drawable icon.
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*/
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public void setIcon(Drawable icon) {
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final ImageView iconView = getView();
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if (iconView != null) {
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iconView.setImageDrawable(icon);
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iconView.setVisibility(icon != null ? View.VISIBLE : View.GONE);
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}
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}
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/**
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* Sets the icon on this layout. The icon can also be set in XML using {@code android:icon}.
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*
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* @param icon A drawable icon resource.
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*/
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public void setIcon(@DrawableRes int icon) {
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final ImageView iconView = getView();
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if (iconView != null) {
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// Note: setImageResource on the ImageView is overridden in AppCompatImageView for
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// support lib users, which enables vector drawable compat to work on versions pre-L.
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iconView.setImageResource(icon);
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iconView.setVisibility(icon != 0 ? View.VISIBLE : View.GONE);
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}
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}
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/**
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* @return The icon previously set in {@link #setIcon(Drawable)} or {@code android:icon}
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*/
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public Drawable getIcon() {
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final ImageView iconView = getView();
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return iconView != null ? iconView.getDrawable() : null;
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}
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/**
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* Sets the content description of the icon view
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*/
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public void setContentDescription(CharSequence description) {
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final ImageView iconView = getView();
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if (iconView != null) {
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iconView.setContentDescription(description);
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}
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}
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/**
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* @return The content description of the icon view
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*/
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public CharSequence getContentDescription() {
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final ImageView iconView = getView();
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return iconView != null ? iconView.getContentDescription() : null;
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}
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/**
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* @return The ImageView responsible for displaying the icon.
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*/
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protected ImageView getView() {
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return (ImageView) mTemplateLayout.findManagedViewById(R.id.suw_layout_icon);
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}
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}
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