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/*
* Copyright (C) 2009 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.browser;
import android.preference.ListPreference;
import android.content.Context;
import android.preference.PreferenceScreen;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import android.webkit.WebStorage;
import java.util.Vector;
/**
* Utility class to display and manage the choosen quota
* for an origin (HTML5 WebStorage feature)
*/
class BrowserQuotaPreference extends ListPreference {
private String TAG = "BrowserQuotaPreference";
private OriginSettings mOrigin = null;
private static long sOneMB = 1024 * 1024;
// This is the constructor called by the inflater
public BrowserQuotaPreference(Context context, AttributeSet attrs) {
super(context, attrs);
}
public BrowserQuotaPreference(Context context, OriginSettings origin) {
super(context);
mOrigin = origin;
}
/**
* Find the minimum quota fitting the current usage
* and only show larger quotas in the list
*/
public void setQuotaList () {
CharSequence[] entries = getEntries();
CharSequence[] values = getEntryValues();
Vector<CharSequence> listEntries = new Vector<CharSequence>();
Vector<CharSequence> listValues = new Vector<CharSequence>();
long usage = 0;
if (mOrigin != null) {
usage = mOrigin.getUsage();
}
for (int i = 0; i < values.length; i++) {
long value = Long.parseLong(values[i].toString());
value *= sOneMB; // the string array is expressed in MB
if (value >= usage) {
listEntries.add(entries[i]);
listValues.add(values[i]);
}
}
CharSequence[] newEntries = new CharSequence[listEntries.size()];
CharSequence[] newValues = new CharSequence[listValues.size()];
for (int i = 0; i < listEntries.size(); i++) {
newEntries[i] = listEntries.get(i);
newValues[i] = listValues.get(i);
}
setEntries(newEntries);
setEntryValues(newValues);
setValueIndex(0);
}
@Override
protected View onCreateDialogView() {
setQuotaList();
return super.onCreateDialogView();
}
@Override
protected void onDialogClosed(boolean positiveResult) {
super.onDialogClosed(positiveResult);
if (mOrigin == null) {
return;
}
if (positiveResult) {
long quota = Long.parseLong(getValue());
quota *= sOneMB; // getValue() is in MB
mOrigin.setQuota(quota);
}
}
}
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