| /* |
| * 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 java.util.List; |
| |
| /** A {@code ListPreference} where each entry has a corresponding icon. */ |
| public class IconListPreference extends ListPreference { |
| private int mSingleIconId; |
| private int mIconIds[]; |
| private int mLargeIconIds[]; |
| private int mImageIds[]; |
| private boolean mUseSingleIcon; |
| |
| public IconListPreference(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| TypedArray a = context.obtainStyledAttributes( |
| attrs, R.styleable.IconListPreference, 0, 0); |
| Resources res = context.getResources(); |
| mSingleIconId = a.getResourceId( |
| R.styleable.IconListPreference_singleIcon, 0); |
| mIconIds = getIds(res, a.getResourceId( |
| R.styleable.IconListPreference_icons, 0)); |
| mLargeIconIds = getIds(res, a.getResourceId( |
| R.styleable.IconListPreference_largeIcons, 0)); |
| mImageIds = getIds(res, a.getResourceId( |
| R.styleable.IconListPreference_images, 0)); |
| a.recycle(); |
| } |
| |
| public int getSingleIcon() { |
| return mSingleIconId; |
| } |
| |
| public int[] getIconIds() { |
| return mIconIds; |
| } |
| |
| public int[] getLargeIconIds() { |
| return mLargeIconIds; |
| } |
| |
| public int[] getImageIds() { |
| return mImageIds; |
| } |
| |
| public boolean getUseSingleIcon() { |
| return mUseSingleIcon; |
| } |
| |
| public void setIconIds(int[] iconIds) { |
| mIconIds = iconIds; |
| } |
| |
| public void setLargeIconIds(int[] largeIconIds) { |
| mLargeIconIds = largeIconIds; |
| } |
| |
| public void setUseSingleIcon(boolean useSingle) { |
| mUseSingleIcon = useSingle; |
| } |
| |
| private int[] getIds(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(); |
| IntArray imageIds = new IntArray(); |
| |
| for (int i = 0, len = entryValues.length; i < len; i++) { |
| if (supported.indexOf(entryValues[i].toString()) >= 0) { |
| if (mIconIds != null) iconIds.add(mIconIds[i]); |
| if (mLargeIconIds != null) largeIconIds.add(mLargeIconIds[i]); |
| if (mImageIds != null) imageIds.add(mImageIds[i]); |
| } |
| } |
| if (mIconIds != null) mIconIds = iconIds.toArray(new int[iconIds.size()]); |
| if (mLargeIconIds != null) { |
| mLargeIconIds = largeIconIds.toArray(new int[largeIconIds.size()]); |
| } |
| if (mImageIds != null) mImageIds = imageIds.toArray(new int[imageIds.size()]); |
| super.filterUnsupported(supported); |
| } |
| } |