a53b3983bf
PiperOrigin-RevId: 210155157 Change-Id: I707512aab6ac57aaebb93275669ae16b92b0e66d
176 lines
4.8 KiB
Java
176 lines
4.8 KiB
Java
/*
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* Copyright (C) 2015 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.items;
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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 android.widget.TextView;
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import com.android.setupwizardlib.R;
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/**
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* Definition of an item in an {@link ItemHierarchy}. An item is usually defined in XML and inflated
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* using {@link ItemInflater}.
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*/
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public class Item extends AbstractItem {
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private boolean enabled = true;
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private Drawable icon;
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private int layoutRes;
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private CharSequence summary;
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private CharSequence title;
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private boolean visible = true;
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public Item() {
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super();
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layoutRes = getDefaultLayoutResource();
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}
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public Item(Context context, AttributeSet attrs) {
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super(context, attrs);
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TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.SuwItem);
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enabled = a.getBoolean(R.styleable.SuwItem_android_enabled, true);
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icon = a.getDrawable(R.styleable.SuwItem_android_icon);
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title = a.getText(R.styleable.SuwItem_android_title);
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summary = a.getText(R.styleable.SuwItem_android_summary);
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layoutRes = a.getResourceId(R.styleable.SuwItem_android_layout, getDefaultLayoutResource());
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visible = a.getBoolean(R.styleable.SuwItem_android_visible, true);
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a.recycle();
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}
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protected int getDefaultLayoutResource() {
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return R.layout.suw_items_default;
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}
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public void setEnabled(boolean enabled) {
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this.enabled = enabled;
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notifyItemChanged();
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}
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@Override
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public int getCount() {
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return isVisible() ? 1 : 0;
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}
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@Override
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public boolean isEnabled() {
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return enabled;
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}
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public void setIcon(Drawable icon) {
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this.icon = icon;
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notifyItemChanged();
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}
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public Drawable getIcon() {
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return icon;
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}
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public void setLayoutResource(int layoutResource) {
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layoutRes = layoutResource;
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notifyItemChanged();
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}
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@Override
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public int getLayoutResource() {
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return layoutRes;
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}
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public void setSummary(CharSequence summary) {
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this.summary = summary;
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notifyItemChanged();
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}
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public CharSequence getSummary() {
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return summary;
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}
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public void setTitle(CharSequence title) {
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this.title = title;
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notifyItemChanged();
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}
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public CharSequence getTitle() {
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return title;
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}
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public void setVisible(boolean visible) {
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if (this.visible == visible) {
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return;
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}
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this.visible = visible;
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if (!visible) {
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notifyItemRangeRemoved(0, 1);
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} else {
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notifyItemRangeInserted(0, 1);
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}
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}
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public boolean isVisible() {
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return visible;
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}
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@Override
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public int getViewId() {
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return getId();
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}
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@Override
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public void onBindView(View view) {
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TextView label = (TextView) view.findViewById(R.id.suw_items_title);
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label.setText(getTitle());
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TextView summaryView = (TextView) view.findViewById(R.id.suw_items_summary);
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CharSequence summary = getSummary();
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if (summary != null && summary.length() > 0) {
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summaryView.setText(summary);
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summaryView.setVisibility(View.VISIBLE);
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} else {
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summaryView.setVisibility(View.GONE);
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}
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final View iconContainer = view.findViewById(R.id.suw_items_icon_container);
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final Drawable icon = getIcon();
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if (icon != null) {
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final ImageView iconView = (ImageView) view.findViewById(R.id.suw_items_icon);
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// Set the image drawable to null before setting the state and level to avoid affecting
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// any recycled drawable in the ImageView
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iconView.setImageDrawable(null);
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onMergeIconStateAndLevels(iconView, icon);
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iconView.setImageDrawable(icon);
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iconContainer.setVisibility(View.VISIBLE);
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} else {
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iconContainer.setVisibility(View.GONE);
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}
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view.setId(getViewId());
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}
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/**
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* Copies state and level information from {@link #getIcon()} to the currently bound view's
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* ImageView. Subclasses can override this method to change whats being copied from the icon to
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* the ImageView.
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*/
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protected void onMergeIconStateAndLevels(ImageView iconView, Drawable icon) {
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iconView.setImageState(icon.getState(), false /* merge */);
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iconView.setImageLevel(icon.getLevel());
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}
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}
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