b3b0250be8
Bug: b/37431709 Test: make RunSettingsRoboTests Change-Id: I0dc0a524a3c4abd1743748ebc8ebf20937018047
126 lines
4.2 KiB
Java
126 lines
4.2 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.settings.wifi;
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import android.content.Context;
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import android.support.annotation.Nullable;
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import android.support.v7.preference.Preference;
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import android.support.v7.preference.PreferenceViewHolder;
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import android.text.Spannable;
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import android.text.method.LinkMovementMethod;
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import android.text.style.TextAppearanceSpan;
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import android.util.AttributeSet;
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import android.widget.TextView;
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import com.android.settings.LinkifyUtils;
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/**
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* A preference with a title that can have linkable content on click.
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*/
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public class LinkablePreference extends Preference {
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private LinkifyUtils.OnClickListener mClickListener;
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private CharSequence mContentTitle;
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private CharSequence mContentDescription;
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public LinkablePreference(Context ctx, AttributeSet attrs, int defStyle) {
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super(ctx, attrs, defStyle);
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setSelectable(false);
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}
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public LinkablePreference(Context ctx, AttributeSet attrs) {
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super(ctx, attrs);
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setSelectable(false);
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}
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public LinkablePreference(Context ctx) {
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super(ctx);
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setSelectable(false);
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}
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@Override
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public void onBindViewHolder(PreferenceViewHolder view) {
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super.onBindViewHolder(view);
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TextView textView = (TextView) view.findViewById(android.R.id.title);
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if (textView == null) {
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return;
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}
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textView.setSingleLine(false);
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if (mContentTitle == null || mClickListener == null) {
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return;
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}
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StringBuilder contentBuilder = new StringBuilder().append(mContentTitle);
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if (mContentDescription != null) {
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contentBuilder.append("\n\n");
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contentBuilder.append(mContentDescription);
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}
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boolean linked = LinkifyUtils.linkify(textView, contentBuilder, mClickListener);
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if (linked && mContentTitle != null) {
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// Embolden and enlarge the title.
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Spannable boldSpan = (Spannable) textView.getText();
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boldSpan.setSpan(
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new TextAppearanceSpan(
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getContext(), android.R.style.TextAppearance_Medium),
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0,
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mContentTitle.length(),
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Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
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textView.setText(boldSpan);
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textView.setMovementMethod(new LinkMovementMethod());
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}
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}
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/**
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* Sets the linkable text for the Preference title.
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* @param contentTitle text to set the Preference title.
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* @param contentDescription description text to append underneath title, can be null.
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* @param clickListener OnClickListener for the link portion of the text.
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*/
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public void setText(
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CharSequence contentTitle,
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@Nullable CharSequence contentDescription,
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LinkifyUtils.OnClickListener clickListener) {
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mContentTitle = contentTitle;
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mContentDescription = contentDescription;
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mClickListener = clickListener;
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// sets the title so that the title TextView is not hidden in super.onBindViewHolder()
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super.setTitle(contentTitle);
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}
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/**
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* Sets the title of the LinkablePreference. resets linkable text for reusability.
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*/
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@Override
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public void setTitle(int titleResId) {
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mContentTitle = null;
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mContentDescription = null;
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super.setTitle(titleResId);
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}
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/**
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* Sets the title of the LinkablePreference. resets linkable text for reusability.
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*/
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@Override
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public void setTitle(CharSequence title) {
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mContentTitle = null;
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mContentDescription = null;
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super.setTitle(title);
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}
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}
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