/*
* Copyright (C) 2010 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.settings.deviceinfo;
import com.android.settings.R;
import com.google.common.collect.Lists;
import android.content.Context;
import android.preference.Preference;
import android.util.AttributeSet;
import android.view.View;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
/**
* Creates a percentage bar chart inside a preference.
*/
public class UsageBarPreference extends Preference {
private PercentageBarChart mChart = null;
private final List<PercentageBarChart.Entry> mEntries = Lists.newArrayList();
public UsageBarPreference(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
setLayoutResource(R.layout.preference_memoryusage);
}
public UsageBarPreference(Context context) {
super(context);
setLayoutResource(R.layout.preference_memoryusage);
}
public UsageBarPreference(Context context, AttributeSet attrs) {
super(context, attrs);
setLayoutResource(R.layout.preference_memoryusage);
}
public void addEntry(int order, float percentage, int color) {
mEntries.add(PercentageBarChart.createEntry(order, percentage, color));
Collections.sort(mEntries);
}
@Override
protected void onBindView(View view) {
super.onBindView(view);
mChart = (PercentageBarChart) view.findViewById(R.id.percentage_bar_chart);
mChart.setEntries(mEntries);
}
public void commit() {
if (mChart != null) {
mChart.invalidate();
}
}
public void clear() {
mEntries.clear();
}
}