diff options
Diffstat (limited to 'src/org/codeaurora/gallery3d/ext/MovieListLoader.java')
| -rw-r--r-- | src/org/codeaurora/gallery3d/ext/MovieListLoader.java | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/src/org/codeaurora/gallery3d/ext/MovieListLoader.java b/src/org/codeaurora/gallery3d/ext/MovieListLoader.java new file mode 100644 index 000000000..237d7e138 --- /dev/null +++ b/src/org/codeaurora/gallery3d/ext/MovieListLoader.java @@ -0,0 +1,274 @@ +package org.codeaurora.gallery3d.ext; + +import android.app.Activity; +import android.content.ContentResolver; +import android.content.ContentUris; +import android.content.Context; +import android.content.Intent; +import android.database.Cursor; +import android.database.sqlite.SQLiteException; +import android.net.Uri; +import android.os.AsyncTask; +import android.provider.MediaStore; +import android.provider.OpenableColumns; +import android.util.Log; + +import java.io.File; +import java.util.ArrayList; + +/** + * Movie list loader class. It will load videos from MediaProvider database. + * If MoviePlayer starting activity doesn't set any thing, default OrderBy will be used. + * Default OrderBy: MediaStore.Video.Media.DATE_TAKEN + " DESC, " + MediaStore.Video.Media._ID + " DESC "; + */ +public class MovieListLoader implements IMovieListLoader { + private static final String TAG = "MovieListLoader"; + private static final boolean LOG = false; + + private MovieListFetcherTask mListTask; + + @Override + public void fillVideoList(Activity activity, Intent intent, final LoaderListener l, + IMovieItem currentMovieItem) { + + // determine if a video playlist has been passed in through the intent + // if a playlist does exist, use that + ArrayList<Uri> uris = intent.getParcelableArrayListExtra("EXTRA_FILE_LIST"); + if (uris != null) { + final MovieList movieList = new MovieList(); + ContentResolver cr = activity.getContentResolver(); + + for(Uri uri : uris) { + // add currentMovieItem in its proper place in the video playlist + // 'Next' and 'Previous' functionality in MovieListHooker is dependent on reference + // matching currentMovieItem + if (currentMovieItem.getOriginalUri().equals(uri)) { + movieList.add(currentMovieItem); + continue; + } + + File videoFile = new File(uri.getPath()); + movieList.add(new MovieItem(uri, cr.getType(uri), videoFile.getName())); + } + + // notify callback on main thread + activity.runOnUiThread(new Runnable() { + @Override + public void run() { + l.onListLoaded(movieList); + } + }); + + return; + } + + // proceed with creating a playlist if one isn't found + boolean fetechAll = false; + if (intent.hasExtra(EXTRA_ALL_VIDEO_FOLDER)) { + fetechAll = intent.getBooleanExtra(EXTRA_ALL_VIDEO_FOLDER, false); + } + //default order by + String orderBy = MediaStore.Video.Media.DATE_TAKEN + " DESC, " + MediaStore.Video.Media._ID + " DESC "; + if (intent.hasExtra(EXTRA_ORDERBY)) { + orderBy = intent.getStringExtra(EXTRA_ORDERBY); + } + cancelList(); + mListTask = new MovieListFetcherTask(activity, fetechAll, l, orderBy); + mListTask.execute(currentMovieItem); + if (LOG) { + Log.v(TAG, "fillVideoList() fetechAll=" + fetechAll + ", orderBy=" + orderBy); + } + } + + @Override + public boolean isEnabledVideoList(Intent intent) { + boolean enable = true; + if (intent != null && intent.hasExtra(EXTRA_ENABLE_VIDEO_LIST)) { + enable = intent.getBooleanExtra(EXTRA_ENABLE_VIDEO_LIST, true); + } + if (LOG) { + Log.v(TAG, "isEnabledVideoList() return " + enable); + } + return enable; + } + + @Override + public void cancelList() { + if (mListTask != null) { + mListTask.cancel(true); + } + } + + private class MovieListFetcherTask extends AsyncTask<IMovieItem, Void, IMovieList> { + private static final String TAG = "MovieListFetcherTask"; + private static final boolean LOG = false; + + // TODO comments by sunlei +// public static final String COLUMN_STEREO_TYPE = MediaStore.Video.Media.STEREO_TYPE; +// public static final String COLUMN_STEREO_TYPE = "STEREO_TYPE"; + + private final ContentResolver mCr; + private final LoaderListener mFetecherListener; + private final boolean mFetechAll; + private final String mOrderBy; + + public MovieListFetcherTask(Context context, boolean fetechAll, LoaderListener l, String orderBy) { + mCr = context.getContentResolver(); + mFetecherListener = l; + mFetechAll = fetechAll; + mOrderBy = orderBy; + if (LOG) { + Log.v(TAG, "MovieListFetcherTask() fetechAll=" + fetechAll + ", orderBy=" + orderBy); + } + } + + @Override + protected void onPostExecute(IMovieList params) { + if (LOG) { + Log.v(TAG, "onPostExecute() isCancelled()=" + isCancelled()); + } + if (isCancelled()) { + return; + } + if (mFetecherListener != null) { + mFetecherListener.onListLoaded(params); + } + } + + @Override + protected IMovieList doInBackground(IMovieItem... params) { + if (LOG) { + Log.v(TAG, "doInBackground() begin"); + } + if (params[0] == null) { + return null; + } + IMovieList movieList = null; + Uri uri = params[0].getUri(); + String mime = params[0].getMimeType(); + if (mFetechAll) { //get all list + if (MovieUtils.isLocalFile(uri, mime)) { + String uristr = String.valueOf(uri); + if (uristr.toLowerCase().startsWith("content://media")) { + //from gallery, gallery3D, videoplayer + long curId = Long.parseLong(uri.getPathSegments().get(3)); + movieList = fillUriList(null, null, curId, params[0]); + } else if (uristr.toLowerCase().startsWith("file://")) { + long curId = getCursorId(uri); + movieList = fillUriList(null, null, curId, params[0]); + } + } + } else { //get current list + if (MovieUtils.isLocalFile(uri, mime)) { + String uristr = String.valueOf(uri); + if (uristr.toLowerCase().startsWith("content://media")) { + Cursor cursor = mCr.query(uri, + new String[]{MediaStore.Video.Media.BUCKET_ID}, + null, null, null); + long bucketId = -1; + if (cursor != null) { + if (cursor.moveToFirst()) { + bucketId = cursor.getLong(0); + } + cursor.close(); + } + try { + long curId = Long.parseLong(uri.getPathSegments().get(3)); + movieList = fillUriList(MediaStore.Video.Media.BUCKET_ID + "=? ", + new String[]{String.valueOf(bucketId)}, curId, params[0]); + } catch (Exception e) { + Log.e(TAG, "Exception while creating movie list. " + e); + return null; + } + } else if (uristr.toLowerCase().startsWith("file://")) { + String data = Uri.decode(uri.toString()); + data = data.replaceAll("'", "''"); + String where = "_data LIKE '%" + data.replaceFirst("file:///", "") + "'"; + Cursor cursor = mCr.query(MediaStore.Video.Media.EXTERNAL_CONTENT_URI, + new String[]{"_id", MediaStore.Video.Media.BUCKET_ID}, + where, null, null); + long bucketId = -1; + long curId = -1; + if (cursor != null) { + if (cursor.moveToFirst()) { + curId = cursor.getLong(0); + bucketId = cursor.getLong(1); + } + cursor.close(); + } + movieList = fillUriList(MediaStore.Video.Media.BUCKET_ID + "=? ", + new String[]{String.valueOf(bucketId)}, curId, params[0]); + } + } + } + if (LOG) { + Log.v(TAG, "doInBackground() done return " + movieList); + } + return movieList; + } + + private IMovieList fillUriList(String where, String[] whereArgs, long curId, IMovieItem current) { + IMovieList movieList = null; + Cursor cursor = null; + try { + cursor = mCr.query(MediaStore.Video.Media.EXTERNAL_CONTENT_URI, + new String[]{"_id", "mime_type", OpenableColumns.DISPLAY_NAME}, + where, + whereArgs, + mOrderBy); + boolean find = false; + if (cursor != null && cursor.getCount() > 0) { + movieList = new MovieList(); + while (cursor.moveToNext()) { + long id = cursor.getLong(0); + if (!find && id == curId) { + find = true; + movieList.add(current); + continue; + } + Uri uri = ContentUris.withAppendedId(MediaStore.Video.Media.EXTERNAL_CONTENT_URI, id); + String mimeType = cursor.getString(1); + String title = cursor.getString(2); + + movieList.add(new MovieItem(uri, mimeType, title)); + } + } + } catch (final SQLiteException e) { + e.printStackTrace(); + } finally { + if (cursor != null) { + cursor.close(); + } + } + if (LOG) { + Log.v(TAG, "fillUriList() cursor=" + cursor + ", return " + movieList); + } + return movieList; + } + + private long getCursorId(Uri uri) { + long curId = -1; + Cursor cursor = null; + String data = Uri.decode(uri.toString()); + data = data.replaceAll("'", "''"); + String where = "_data LIKE '%" + data.replaceFirst("file:///", "") + "'"; + try { + cursor = mCr.query(MediaStore.Video.Media.EXTERNAL_CONTENT_URI, + new String[] { + "_id" + }, where, null, null); + + if (cursor != null && cursor.moveToFirst()) { + curId = cursor.getLong(0); + } + } catch (final SQLiteException e) { + e.printStackTrace(); + } finally { + if (cursor != null) { + cursor.close(); + } + } + return curId; + } + } +} |