/*
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* Copyright (C) 2009 The Rockchip Android MID 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 com.DeviceTest.helper;
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import java.util.Formatter;
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import java.util.List;
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import java.util.Locale;
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import android.content.AsyncQueryHandler;
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import android.content.ContentResolver;
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import android.content.ContentUris;
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import android.content.Context;
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import android.database.CharArrayBuffer;
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import android.database.Cursor;
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import android.graphics.Bitmap;
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import android.graphics.drawable.Drawable;
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import android.net.Uri;
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import android.provider.MediaStore;
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import android.media.MediaMetadataRetriever;
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import android.util.Log;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.AlphabetIndexer;
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import android.widget.ArrayAdapter;
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import android.widget.ImageView;
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import android.widget.LinearLayout;
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import android.widget.SectionIndexer;
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import android.widget.SimpleCursorAdapter;
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import android.widget.TextView;
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import com.DeviceTest.R;
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import com.DeviceTest.RockVideoPlayer;
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class VideoItem {
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Drawable bitmap;
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Uri uri;
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int Totaltime;
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int Lasttime;
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int Currenttime;
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String videoname;
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String mimetype;
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String size;
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String videopath;
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}
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/*
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class Item implements Comparable<Item>{
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private static final String TAG = "Item";
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//private static final boolean DEBUG = true;
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private static final boolean DEBUG = false;
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public void LOG(String msg)
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{
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if(DEBUG)
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{
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Log.d(TAG,msg);
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}
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}
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public int compareTo(Item another) {
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// TODO Auto-generated method stub
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return 0;
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}
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}
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*/
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public class VideoListAdapter extends SimpleCursorAdapter
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implements SectionIndexer {
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int resource;
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//private final LayoutInflater mInflater;
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private static final String TAG = "VideoListAdapter";
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private static final boolean DEBUG = true;
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//private static final boolean DEBUG = false;
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private RockVideoPlayer mActivity = null;
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/** @see AlphabetIndexer. */
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private AlphabetIndexer mIndexer;
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/** ����Э��ʵ�ֶ� ContentResolver �첽�� query ������ helper ���ʵ��. */
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private AsyncQueryHandler mQueryHandler;
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int nameIdx;
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Uri uriIdx;
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int idIdx;
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int mimetypeIdx;
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int bookmarkIdx;
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int durationIdx;
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int sizeIdx;
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int pahtIdx;
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private String mConstraint = null;
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private boolean mConstraintIsValid = false;
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public void LOG(String msg)
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{
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if(DEBUG)
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{
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Log.d(TAG,msg);
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}
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}
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public VideoListAdapter(Context context,
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RockVideoPlayer currentactivity,
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int layout,
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Cursor cursor,
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String[] from,
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int[] to) {
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super(context, layout, cursor, from, to);
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mActivity = currentactivity;
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getColumnIndices(cursor);
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mQueryHandler = new QueryHandler(context.getContentResolver()); /* ����ת��. */
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LOG("Built mQueryHandler = " + mQueryHandler);
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}
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public void setActivity(RockVideoPlayer newactivity) {
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mActivity = newactivity;
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}
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class ViewHolder {
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// ��u21069 list item view �� ��u26469 ��u31034 ��u24212 data item(��u-28212 ��iju20010 ��u23450 ��u27468 ��u30340 ��u24687 ) ��column "TITLE" ��value ��TextView ��u24341 ��
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ImageView video_icon;
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TextView video_name;
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TextView video_time;
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TextView video_type;
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TextView video_size;
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TextView video_path;
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CharArrayBuffer buffer1;
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// ��u26469 ��u23384 "ARTIST" ��u20018 .
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char [] buffer2;
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}
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/**
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* ���Ƶ� AsyncQueryHandler ����.
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* @see AsyncQueryHandler.
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* */
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class QueryHandler extends AsyncQueryHandler {
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/** Ctor. */
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QueryHandler(ContentResolver res) {
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super(res);
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}
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@Override
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protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
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//LOG("@@@ query complete: " + cursor.getCount() + " ");
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/* ��ʼ�� ��ǰ activity. */
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mActivity.initVideoCursor(cursor);
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}
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}
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public AsyncQueryHandler getQueryHandler() {
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return mQueryHandler;
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}
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/**
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* ��ȡָͬ�� Cursor ʵ����ص� �ض��� column �� index, �������� "this"(��ǰ����ʵ��) ��.
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* �������� �����и�.
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*/
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private void getColumnIndices(Cursor cur) {
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LOG("Enter getColumnIndices() and cur = " + cur);
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Uri uri = MediaStore.Video.Media.getContentUri("external");
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if (cur!= null) {
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cur.moveToFirst();
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nameIdx = cur.getColumnIndexOrThrow(MediaStore.Video.Media.DISPLAY_NAME);
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LOG("nameIdx= " + nameIdx);
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uriIdx = ContentUris.withAppendedId(uri,cur.getColumnIndexOrThrow(MediaStore.Video.Media._ID));
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LOG("uriIdx= " + uriIdx);
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idIdx = cur.getColumnIndexOrThrow(MediaStore.Video.Media._ID);
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mimetypeIdx = cur.getColumnIndexOrThrow(MediaStore.Video.Media.MIME_TYPE);
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LOG("mimetypeIdx= " + mimetypeIdx);
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bookmarkIdx = cur.getColumnIndexOrThrow(MediaStore.Video.Media.BOOKMARK);
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LOG("bookmarkIdx= " + bookmarkIdx);
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durationIdx = cur.getColumnIndexOrThrow(MediaStore.Video.Media.DURATION);
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LOG("durationIdx= " + durationIdx);
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sizeIdx = cur.getColumnIndexOrThrow(MediaStore.Video.Media.SIZE);
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LOG("sizeIdx= " + sizeIdx);
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pahtIdx = cur.getColumnIndexOrThrow(MediaStore.Video.Media.DATA);
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LOG("pahtIdx= " + pahtIdx);
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}
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}
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@Override
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public View newView(Context context, Cursor cursor, ViewGroup parent) {
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View v = super.newView(context, cursor, parent);
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ViewHolder vh = new ViewHolder();
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vh.video_icon = (ImageView)v.findViewById(R.id.video_image);
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vh.video_name = (TextView)v.findViewById(R.id.video_name);
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vh.video_time = (TextView)v.findViewById(R.id.time_info);
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vh.video_type = (TextView)v.findViewById(R.id.type_info);
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vh.video_size = (TextView)v.findViewById(R.id.size_info);
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//vh.video_path = (TextView)v.findViewById(R.id.path_info);
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vh.buffer1 = new CharArrayBuffer(100);
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vh.buffer2 = new char[200];
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v.setTag(vh);
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return v;
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}
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@Override
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public void bindView(View view, Context context, Cursor cursor) {
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ViewHolder vh = (ViewHolder) view.getTag(); /* ����ض��� list item view, �������� newView() ֮����. ����� ����ת�͵���ȷ��, "����" �ɳ���Ա��֤. */
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cursor.copyStringToBuffer(nameIdx, vh.buffer1);
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vh.video_name.setText(vh.buffer1.data, 0, vh.buffer1.sizeCopied);
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mFormatBuilder = new StringBuilder();
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mFormatter = new Formatter(mFormatBuilder, Locale.getDefault());
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vh.video_time.setText(makeTimeString(cursor.getInt(bookmarkIdx),cursor.getInt(durationIdx)));
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vh.video_type.setText(cursor.getString(mimetypeIdx));
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vh.video_size.setText(makeSizeString(cursor.getInt(sizeIdx)));
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//vh.video_path.setText(cursor.getString(pahtIdx));
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ImageView iv = vh.video_icon;
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iv.setImageResource(R.drawable.video_icon);
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//iv.setImageBitmap(getVideoCover(cursor.getString(pahtIdx)));
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}
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@Override
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public void changeCursor(Cursor cursor) {
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//LOG("Enter changeCursor() get "+ cursor.getCount() + "and cursor = " + cursor);
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if(cursor != null)
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cursor.moveToFirst();
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if (cursor != mActivity.mVideoCursor) {
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super.changeCursor(cursor);
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mActivity.mVideoCursor = cursor;
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getColumnIndices(cursor); /* ��Ϊ "cursor" ʵ��仯, �������е� column ID Ҳ���ܱ仯. �ʸ���֮. */
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}
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}
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@Override
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public Cursor runQueryOnBackgroundThread(CharSequence constraint) {
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String s = constraint.toString();
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if (mConstraintIsValid
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&& ( (s == null && mConstraint == null)
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|| (s != null && s.equals(mConstraint)))) {
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return getCursor();
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}
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Cursor c = mActivity.getVideoCursor(null);
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mConstraint = s;
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mConstraintIsValid = true;
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return c;
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}
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StringBuilder mFormatBuilder;
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Formatter mFormatter;
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public String stringForTime(int timeMs)
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{
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int totalSeconds = timeMs / 1000;
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int seconds = totalSeconds % 60;
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int minutes = (totalSeconds / 60) % 60;
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int hours = totalSeconds / 3600;
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mFormatBuilder.setLength(0);
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if(hours > 0)
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return mFormatter.format("%02d:%02d:%02d", hours, minutes, seconds).toString();
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else
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return mFormatter.format("%02d:%02d", minutes, seconds).toString();
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}
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public String makeTimeString(int time1,int time2)
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{
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StringBuilder time = new StringBuilder();
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time.append(stringForTime(time1)+'/'+stringForTime(time2));
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return time.toString();
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}
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public String makeSizeString(int size){
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StringBuilder sizeBuilder = new StringBuilder();
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if (size <= 0){
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sizeBuilder.append("0 K");
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return sizeBuilder.toString();
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}
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int sizeK = size/1000;
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int sizeM = sizeK/1000;
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if(0 < sizeK && sizeK < 1024){
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sizeBuilder.append(sizeK);
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sizeBuilder.append(" K");
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return sizeBuilder.toString();
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}else{
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sizeBuilder.append(sizeM);
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sizeBuilder.append(" M");
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return sizeBuilder.toString();
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}
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}
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public int getSectionForPosition(int position) {
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return 0;
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}
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public int getPositionForSection(int section) {
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int pos = mIndexer.getPositionForSection(section);
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return pos;
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}
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public Object[] getSections() {
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if (mIndexer != null) {
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return mIndexer.getSections();
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} else {
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return null;
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}
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}
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}
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