blob: 9330909e7cd729a4878318beb03c13d0500e585d [file] [log] [blame]
/*
* Copyright (C) 2012 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.dialer.dialpad;
import com.android.contacts.R;
import com.google.common.collect.Lists;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.drawable.Drawable;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.style.CharacterStyle;
import android.text.style.ForegroundColorSpan;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;
import java.util.List;
public class SmartDialAdapter extends BaseAdapter {
public static final String LOG_TAG = "SmartDial";
private final LayoutInflater mInflater;
private List<SmartDialEntry> mEntries;
private static Drawable mHighConfidenceHint;
private final int mHighlightedTextColor;
public SmartDialAdapter(Context context) {
mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
final Resources res = context.getResources();
mHighConfidenceHint = SmartDialTextView.getHighConfidenceHintDrawable(
res, res.getDimension(R.dimen.smartdial_confidence_hint_text_size),
res.getColor(R.color.smartdial_confidence_drawable_color));
mHighlightedTextColor = res.getColor(R.color.smartdial_highlighted_text_color);
clear();
}
/** Remove all entries. */
public void clear() {
mEntries = Lists.newArrayList();
notifyDataSetChanged();
}
/** Set entries. */
public void setEntries(List<SmartDialEntry> entries) {
if (entries == null) throw new IllegalArgumentException();
mEntries = entries;
if (mEntries.size() <= 1) {
// add a null entry to push the single entry into the middle
mEntries.add(0, null);
} else if (mEntries.size() >= 2){
// swap the 1st and 2nd entries so that the highest confidence match goes into the
// middle
final SmartDialEntry temp = mEntries.get(0);
mEntries.set(0, mEntries.get(1));
mEntries.set(1, temp);
}
notifyDataSetChanged();
}
@Override
public boolean isEnabled(int position) {
return !(mEntries.get(position) == null);
}
@Override
public boolean areAllItemsEnabled() {
return false;
}
@Override
public int getCount() {
return mEntries.size();
}
@Override
public Object getItem(int position) {
return mEntries.get(position);
}
@Override
public long getItemId(int position) {
return position; // Just use the position as the ID, so it's not stable.
}
@Override
public boolean hasStableIds() {
return false; // Not stable because we just use the position as the ID.
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
final SmartDialTextView view;
if (convertView == null) {
view = (SmartDialTextView) mInflater.inflate(
R.layout.dialpad_smartdial_item, parent, false);
} else {
view = (SmartDialTextView) convertView;
}
// Set the display name with highlight.
final SmartDialEntry item = mEntries.get(position);
if (item == null) {
// Clear the text in case the view was reused.
view.setText("");
// Empty view. We use this to force a single entry to be in the middle
return view;
}
final SpannableString displayName = new SpannableString(item.displayName);
for (final SmartDialMatchPosition p : item.matchPositions) {
final int matchStart = p.start;
final int matchEnd = p.end;
if (matchStart < matchEnd) {
// Create a new ForegroundColorSpan for each section of the name to highlight,
// otherwise multiple highlights won't work.
try {
displayName.setSpan(
new ForegroundColorSpan(mHighlightedTextColor), matchStart, matchEnd,
Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
} catch (final IndexOutOfBoundsException e) {
Log.wtf(LOG_TAG,
"Invalid match positions provided - [" + matchStart + ","
+ matchEnd + "] for display name: " + item.displayName);
}
}
}
if (position == 1) {
view.setCompoundDrawablesWithIntrinsicBounds(
null, null, null, mHighConfidenceHint);
// Hack to align text in this view with text in other views without the
// overflow drawable
view.setCompoundDrawablePadding(-mHighConfidenceHint.getIntrinsicHeight());
} else {
view.setCompoundDrawablesWithIntrinsicBounds(
null, null, null, null);
}
view.setText(displayName);
view.setTag(item);
return view;
}
}