/*
* Copyright (C) 2007 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.music;
import com.android.music.MusicUtils.ServiceToken;
import android.app.ListActivity;
import android.content.Context;
import android.content.Intent;
import android.content.ContentUris;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.os.RemoteException;
import android.provider.MediaStore;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.SimpleCursorAdapter;
import android.widget.TextView;
import java.util.ArrayList;
public class MediaPickerActivity extends ListActivity implements MusicUtils.Defs
{
private ServiceToken mToken;
public MediaPickerActivity()
{
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle icicle)
{
super.onCreate(icicle);
mFirstYear = getIntent().getStringExtra("firstyear");
mLastYear = getIntent().getStringExtra("lastyear");
if (mFirstYear == null) {
setTitle(R.string.all_title);
} else if (mFirstYear.equals(mLastYear)) {
setTitle(mFirstYear);
} else {
setTitle(mFirstYear + "-" + mLastYear);
}
mToken = MusicUtils.bindToService(this);
init();
}
@Override
public void onDestroy() {
MusicUtils.unbindFromService(mToken);
super.onDestroy();
if (mCursor != null) {
mCursor.close();
}
}
public void init() {
setContentView(R.layout.media_picker_activity);
MakeCursor();
if (null == mCursor || 0 == mCursor.getCount()) {
return;
}
PickListAdapter adapter = new PickListAdapter(
this,
R.layout.track_list_item,
mCursor,
new String[] {},
new int[] {});
setListAdapter(adapter);
}
@Override
protected void onListItemClick(ListView l, View v, int position, long id)
{
mCursor.moveToPosition(position);
String type = mCursor.getString(mCursor.getColumnIndexOrThrow(
MediaStore.Audio.Media.MIME_TYPE));
String action = getIntent().getAction();
if (Intent.ACTION_GET_CONTENT.equals(action)) {
Uri uri;
long mediaId;
if (type.startsWith("video")) {
uri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
mediaId = mCursor.getLong(mCursor.getColumnIndexOrThrow(
MediaStore.Video.Media._ID));
} else {
uri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
mediaId = mCursor.getLong(mCursor.getColumnIndexOrThrow(
MediaStore.Audio.Media._ID));
}
setResult(RESULT_OK, new Intent().setData(ContentUris.withAppendedId(uri, mediaId)));
finish();
return;
}
// Need to stop the playbackservice, in case it is busy playing audio
// and the user selected a video.
if (MusicUtils.sService != null) {
try {
MusicUtils.sService.stop();
} catch (RemoteException ex) {
}
}
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setDataAndType(ContentUris.withAppendedId(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, id), type);
startActivity(intent);
}
private void MakeCursor() {
String[] audiocols = new String[] {
MediaStore.Audio.Media._ID,
MediaStore.Audio.Media.ARTIST,
MediaStore.Audio.Media.ALBUM,
MediaStore.Audio.Media.TITLE,
MediaStore.Audio.Media.DATA,
MediaStore.Audio.Media.MIME_TYPE,
MediaStore.Audio.Media.YEAR
};
String[] videocols = new String[] {
MediaStore.Audio.Media._ID,
MediaStore.Audio.Media.TITLE,
MediaStore.Audio.Media.ARTIST,
MediaStore.Audio.Media.ALBUM,
MediaStore.Audio.Media.TITLE,
MediaStore.Audio.Media.DATA,
MediaStore.Audio.Media.MIME_TYPE
};
Cursor[] cs;
// Use ArrayList for the moment, since we don't know the size of
// Cursor[]. If the length of Corsor[] larger than really used,
// a NPE will come up when access the content of Corsor[].
ArrayList<Cursor> cList = new ArrayList<Cursor>();
Intent intent = getIntent();
String type = intent.getType();
if (mFirstYear != null) {
// If mFirstYear is not null, the picker only for audio because
// video has no year column.
if(type.equals("video/*")) {
mCursor = null;
return;
}
mWhereClause = MediaStore.Audio.Media.YEAR + ">=" + mFirstYear + " AND " +
MediaStore.Audio.Media.YEAR + "<=" + mLastYear;
}
// If use Cursor[] as before, the Cursor[i] could be null when there is
// no video/audio/sdcard. Then a NPE will come up when access the content of the
// Array.
Cursor c;
if (type.equals("video/*")) {
// Only video.
c = MusicUtils.query(this, MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
videocols, null , null, mSortOrder);
if (c != null) {
cList.add(c);
}
} else {
c = MusicUtils.query(this, MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
audiocols, mWhereClause , null, mSortOrder);
if (c != null) {
cList.add(c);
}
if (mFirstYear == null && intent.getType().equals("media/*")) {
// video has no year column
c = MusicUtils.query(this, MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
videocols, null , null, mSortOrder);
if (c != null) {
cList.add(c);
}
}
}
// Get the ArrayList size.
int size = cList.size();
if (0 == size) {
// If no video/audio/SDCard exist, return.
mCursor = null;
return;
}
// The size is known now, we're sure each item of Cursor[] is not null.
cs = new Cursor[size];
cs = cList.toArray(cs);
mCursor = new SortCursor(cs, MediaStore.Audio.Media.TITLE);
}
private Cursor mCursor;
private String mSortOrder = MediaStore.Audio.Media.TITLE + " COLLATE UNICODE";
private String mFirstYear;
private String mLastYear;
private String mWhereClause;
static class PickListAdapter extends SimpleCursorAdapter {
int mTitleIdx;
int mArtistIdx;
int mAlbumIdx;
int mMimeIdx;
PickListAdapter(Context context, int layout, Cursor cursor, String[] from, int[] to) {
super(context, layout, cursor, from, to);
mTitleIdx = cursor.getColumnIndexOrThrow(MediaStore.Audio.Media.TITLE);
mArtistIdx = cursor.getColumnIndexOrThrow(MediaStore.Audio.Media.ARTIST);
mAlbumIdx = cursor.getColumnIndexOrThrow(MediaStore.Audio.Media.ALBUM);
mMimeIdx = cursor.getColumnIndexOrThrow(MediaStore.Audio.Media.MIME_TYPE);
}
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
View v = super.newView(context, cursor, parent);
ImageView iv = (ImageView) v.findViewById(R.id.icon);
iv.setVisibility(View.VISIBLE);
ViewGroup.LayoutParams p = iv.getLayoutParams();
p.width = ViewGroup.LayoutParams.WRAP_CONTENT;
p.height = ViewGroup.LayoutParams.WRAP_CONTENT;
TextView tv = (TextView) v.findViewById(R.id.duration);
tv.setVisibility(View.GONE);
iv = (ImageView) v.findViewById(R.id.play_indicator);
iv.setVisibility(View.GONE);
return v;
}
@Override
public void bindView(View view, Context context, Cursor cursor) {
TextView tv = (TextView) view.findViewById(R.id.line1);
String name = cursor.getString(mTitleIdx);
tv.setText(name);
tv = (TextView) view.findViewById(R.id.line2);
name = cursor.getString(mAlbumIdx);
StringBuilder builder = new StringBuilder();
if (name == null || name.equals(MediaStore.UNKNOWN_STRING)) {
builder.append(context.getString(R.string.unknown_album_name));
} else {
builder.append(name);
}
builder.append("\n");
name = cursor.getString(mArtistIdx);
if (name == null || name.equals(MediaStore.UNKNOWN_STRING)) {
builder.append(context.getString(R.string.unknown_artist_name));
} else {
builder.append(name);
}
tv.setText(builder.toString());
String text = cursor.getString(mMimeIdx);
ImageView iv = (ImageView) view.findViewById(R.id.icon);;
if("audio/midi".equals(text)) {
iv.setImageResource(R.drawable.midi);
} else if(text != null && (text.startsWith("audio") ||
text.equals("application/ogg") ||
text.equals("application/x-ogg"))) {
iv.setImageResource(R.drawable.ic_search_category_music_song);
} else if(text != null && text.startsWith("video")) {
iv.setImageResource(R.drawable.movie);
} else {
iv.setImageResource(0);
}
}
}
}