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------- Default ------- Copyright (C) 2012, 2013, 2014 Younghyung Cho. <yhcting77@gmail.com> All rights reserved. This file is part of NetMBuddy This program is licensed under the FreeBSD license R...
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/****************************************************************************** * Copyright (C) 2012, 2013, 2014//from ww w .ja v a2 s. co m * Younghyung Cho. <yhcting77@gmail.com> * All rights reserved. * * This file is part of NetMBuddy * * This program is licensed under the FreeBSD license * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * The views and conclusions contained in the software and documentation * are those of the authors and should not be interpreted as representing * official policies, either expressed or implied, of the FreeBSD Project. *****************************************************************************/ package free.yhc.netmbuddy; import static free.yhc.netmbuddy.utils.Utils.eAssert; import java.util.HashMap; import android.content.Context; import android.database.Cursor; import android.view.View; import android.widget.CheckBox; import android.widget.CompoundButton; import android.widget.ImageView; import android.widget.ResourceCursorAdapter; import android.widget.TextView; import free.yhc.netmbuddy.db.ColVideo; import free.yhc.netmbuddy.db.DB; import free.yhc.netmbuddy.model.YTPlayer; import free.yhc.netmbuddy.utils.UiUtils; import free.yhc.netmbuddy.utils.Utils; public class MusicsAdapter extends ResourceCursorAdapter { private static final boolean DBG = false; private static final Utils.Logger P = new Utils.Logger(MusicsAdapter.class); private static final int LAYOUT = R.layout.musics_row; // Below value SHOULD match queries of 'createCursor()' private static final int COLI_ID = 0; private static final int COLI_VIDEOID = 1; private static final int COLI_TITLE = 2; private static final int COLI_AUTHOR = 3; private static final int COLI_VOLUME = 4; private static final int COLI_PLAYTIME = 5; // Check Button Tag Key private static final int VTAGKEY_POS = R.drawable.btncheck_on; private static final ColVideo[] sQueryCols = new ColVideo[] { ColVideo.ID, ColVideo.VIDEOID, ColVideo.TITLE, ColVideo.AUTHOR, ColVideo.VOLUME, ColVideo.PLAYTIME, }; private final Context mContext; private final CursorArg mCurArg; private final HashMap<Integer, Long> mCheckedMap = new HashMap<Integer, Long>(); private final CheckStateListener mCheckListener; private final CompoundButton.OnCheckedChangeListener mItemCheckOnCheckedChange = new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { CheckBox cb = (CheckBox)buttonView; int pos = (Integer)cb.getTag(VTAGKEY_POS); if (isChecked) { mCheckedMap.put(pos, System.currentTimeMillis()); mCheckListener.onStateChanged(mCheckedMap.size(), pos, true); } else { mCheckedMap.remove(pos); mCheckListener.onStateChanged(mCheckedMap.size(), pos, false); } } }; public interface CheckStateListener { /** * * @param nrChecked * total number of check item of this adapter. * @param pos * item position that check state is changed on. * @param checked * new check state after changing. */ void onStateChanged(int nrChecked, int pos, boolean checked); } public static class CursorArg { long plid; String extra; public CursorArg(long aPlid, String aExtra) { plid = aPlid; extra = aExtra; } } private String getCursorInfoString(int pos, int colIndex) { Cursor c = getCursor(); if (!c.moveToPosition(pos)) eAssert(false); return c.getString(colIndex); } private int getCursorInfoInt(int pos, int colIndex) { Cursor c = getCursor(); if (!c.moveToPosition(pos)) eAssert(false); return c.getInt(colIndex); } private Cursor createCursor() { if (UiUtils.PLID_RECENT_PLAYED == mCurArg.plid) return DB.get().queryVideos(sQueryCols, ColVideo.TIME_PLAYED, false); else if (UiUtils.PLID_SEARCHED == mCurArg.plid) return DB.get().queryVideosSearchTitle(sQueryCols, mCurArg.extra.split("\\s")); else return DB.get().queryVideos(mCurArg.plid, sQueryCols, ColVideo.TITLE, true); } public MusicsAdapter(Context context, CursorArg arg, CheckStateListener listener) { super(context, LAYOUT, null); eAssert(null != arg); mContext = context; mCurArg = arg; mCheckListener = listener; } public String getMusicYtid(int pos) { return getCursorInfoString(pos, COLI_VIDEOID); } public String getMusicTitle(int pos) { return getCursorInfoString(pos, COLI_TITLE); } public String getMusicAuthor(int pos) { return getCursorInfoString(pos, COLI_AUTHOR); } public byte[] getMusicThumbnail(int pos) { Cursor c = getCursor(); if (!c.moveToPosition(pos)) eAssert(false); return (byte[])DB.get().getVideoInfo(c.getString(COLI_VIDEOID), ColVideo.THUMBNAIL); } public int getMusicVolume(int pos) { return getCursorInfoInt(pos, COLI_VOLUME); } public int getMusicPlaytime(int pos) { return getCursorInfoInt(pos, COLI_PLAYTIME); } public YTPlayer.Video getYTPlayerVideo(int pos) { return new YTPlayer.Video(getMusicYtid(pos), getMusicTitle(pos), getMusicAuthor(pos), getMusicVolume(pos), getMusicPlaytime(pos), 0); } /** * * @return * array of music positions. */ public int[] getCheckedMusics() { return Utils.convertArrayIntegerToint(mCheckedMap.keySet().toArray(new Integer[0])); } public int[] getCheckedMusicsSortedByTime() { Object[] objs = Utils.getSortedKeyOfTimeMap(mCheckedMap); int[] poss = new int[objs.length]; for (int i = 0; i < poss.length; i++) poss[i] = (Integer)objs[i]; return poss; } public void cleanChecked() { mCheckedMap.clear(); mCheckListener.onStateChanged(0, -1, false); notifyDataSetChanged(); } public void reloadCursor() { changeCursor(createCursor()); } public void reloadCursorAsync() { cleanChecked(); DiagAsyncTask.Worker worker = new DiagAsyncTask.Worker() { private Cursor newCursor; @Override public void onPostExecute(DiagAsyncTask task, Err result) { changeCursor(newCursor); } @Override public Err doBackgroundWork(DiagAsyncTask task) { newCursor = createCursor(); // NOTE // First-call of'getCount()', can make 'Cursor' cache lots of internal information. // And this caching-job usually takes quite long time especially DB has lots of rows. // So, do it here in background! // This has dependency on internal implementation of Cursor! // Until JellyBean, SQLiteCursor executes 'fillWindow(0)' at first 'getCount()' call. // And 'fillWindow(0)' is most-time-consuming preparation for using cursor. newCursor.getCount(); return Err.NO_ERR; } }; new DiagAsyncTask(mContext, worker, DiagAsyncTask.Style.SPIN, R.string.loading) .run(); } @Override public void bindView(View v, Context context, Cursor cur) { CheckBox checkv = (CheckBox)v.findViewById(R.id.checkbtn); ImageView thumbnailv = (ImageView)v.findViewById(R.id.thumbnail); TextView titlev = (TextView)v.findViewById(R.id.title); TextView authorv = (TextView)v.findViewById(R.id.author); TextView playtmv = (TextView)v.findViewById(R.id.playtime); TextView uploadtmv = (TextView)v.findViewById(R.id.uploadedtime); int pos = cur.getPosition(); checkv.setTag(VTAGKEY_POS, pos); checkv.setOnCheckedChangeListener(mItemCheckOnCheckedChange); if (mCheckedMap.containsKey(pos)) checkv.setChecked(true); else checkv.setChecked(false); titlev.setText(cur.getString(COLI_TITLE)); String author = cur.getString(COLI_AUTHOR); if (Utils.isValidValue(author)) { authorv.setVisibility(View.VISIBLE); authorv.setText(author); } else authorv.setVisibility(View.GONE); uploadtmv.setVisibility(View.GONE); playtmv.setText(Utils.secsToMinSecText(cur.getInt(COLI_PLAYTIME))); byte[] thumbnailData = (byte[])DB.get().getVideoInfo(cur.getString(COLI_VIDEOID), ColVideo.THUMBNAIL); UiUtils.setThumbnailImageView(thumbnailv, thumbnailData); } }