/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.widget;
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import android.content.Context;
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import android.view.View;
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import android.view.ViewGroup;
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import java.util.ArrayList;
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/**
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* @hide
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*/
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public class RemoteViewsListAdapter extends BaseAdapter {
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private Context mContext;
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private ArrayList<RemoteViews> mRemoteViewsList;
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private ArrayList<Integer> mViewTypes = new ArrayList<Integer>();
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private int mViewTypeCount;
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public RemoteViewsListAdapter(Context context, ArrayList<RemoteViews> remoteViews,
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int viewTypeCount) {
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mContext = context;
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mRemoteViewsList = remoteViews;
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mViewTypeCount = viewTypeCount;
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init();
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}
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public void setViewsList(ArrayList<RemoteViews> remoteViews) {
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mRemoteViewsList = remoteViews;
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init();
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notifyDataSetChanged();
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}
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private void init() {
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if (mRemoteViewsList == null) return;
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mViewTypes.clear();
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for (RemoteViews rv: mRemoteViewsList) {
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if (!mViewTypes.contains(rv.getLayoutId())) {
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mViewTypes.add(rv.getLayoutId());
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}
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}
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if (mViewTypes.size() > mViewTypeCount || mViewTypeCount < 1) {
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throw new RuntimeException("Invalid view type count -- view type count must be >= 1" +
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"and must be as large as the total number of distinct view types");
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}
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}
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@Override
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public int getCount() {
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if (mRemoteViewsList != null) {
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return mRemoteViewsList.size();
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} else {
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return 0;
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}
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}
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@Override
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public Object getItem(int position) {
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return null;
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}
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@Override
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public long getItemId(int position) {
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return position;
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}
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@Override
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public View getView(int position, View convertView, ViewGroup parent) {
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if (position < getCount()) {
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RemoteViews rv = mRemoteViewsList.get(position);
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rv.addFlags(RemoteViews.FLAG_WIDGET_IS_COLLECTION_CHILD);
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View v;
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if (convertView != null && rv != null &&
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convertView.getId() == rv.getLayoutId()) {
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v = convertView;
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rv.reapply(mContext, v);
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} else {
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v = rv.apply(mContext, parent);
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}
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return v;
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} else {
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return null;
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}
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}
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@Override
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public int getItemViewType(int position) {
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if (position < getCount()) {
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int layoutId = mRemoteViewsList.get(position).getLayoutId();
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return mViewTypes.indexOf(layoutId);
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} else {
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return 0;
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}
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}
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public int getViewTypeCount() {
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return mViewTypeCount;
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}
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@Override
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public boolean hasStableIds() {
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return false;
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}
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}
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