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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.camera;
import android.content.Context;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.util.AttributeSet;
import com.android.camera.R;
import java.util.List;
/** A {@code ListPreference} where each entry has a corresponding icon. */
public class IconListPreference extends ListPreference {
private int mIconIds[];
private int mLargeIconIds[];
public IconListPreference(Context context, AttributeSet attrs) {
super(context, attrs);
TypedArray a = context.obtainStyledAttributes(
attrs, R.styleable.IconListPreference, 0, 0);
Resources res = context.getResources();
mIconIds = getIconIds(res, a.getResourceId(
R.styleable.IconListPreference_icons, 0));
mLargeIconIds = getIconIds(res, a.getResourceId(
R.styleable.IconListPreference_largeIcons, 0));
a.recycle();
}
public int[] getLargeIconIds() {
return mLargeIconIds;
}
public int[] getIconIds() {
return mIconIds;
}
private int[] getIconIds(Resources res, int iconsRes) {
if (iconsRes == 0) return null;
TypedArray array = res.obtainTypedArray(iconsRes);
int n = array.length();
int ids[] = new int[n];
for (int i = 0; i < n; ++i) {
ids[i] = array.getResourceId(i, 0);
}
array.recycle();
return ids;
}
@Override
public void filterUnsupported(List<String> supported) {
CharSequence entryValues[] = getEntryValues();
IntArray iconIds = new IntArray();
IntArray largeIconIds = new IntArray();
for (int i = 0, len = entryValues.length; i < len; i++) {
if (supported.indexOf(entryValues[i].toString()) >= 0) {
iconIds.add(mIconIds[i]);
largeIconIds.add(mLargeIconIds[i]);
}
}
int size = iconIds.size();
mIconIds = iconIds.toArray(new int[size]);
mLargeIconIds = iconIds.toArray(new int[size]);
super.filterUnsupported(supported);
}
}
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