VideoList.java

/*
 * Copyright (C) 2009 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.lightbox.android.camera.gallery;

import com.lightbox.android.camera.gallery.BaseImage;
import com.lightbox.android.camera.gallery.BaseImageList;
import com.lightbox.android.camera.gallery.VideoObject;

import android.content.ContentResolver;
import android.database.Cursor;
import android.net.Uri;
import android.provider.MediaStore.Images;
import android.provider.MediaStore.Video.Media;

/**
 * A collection of all the <code>VideoObject</code> in gallery.
 */
public class VideoList extends BaseImageList {

    @SuppressWarnings("unused")
    private static final String TAG = "BaseImageList";

    private static final String[] VIDEO_PROJECTION = new String[] {
            Media._ID,
            Media.DATE_TAKEN,
            Media.MINI_THUMB_MAGIC,
            Media.DATE_MODIFIED};

    private static final int INDEX_ID = 0;
    private static final int INDEX_DATE_TAKEN = 1;
    private static final int INDEX_MIMI_THUMB_MAGIC = 2;
    private static final int INDEX_DATE_MODIFIED = 3;

    @Override
    protected BaseImage loadImageFromCursor(Cursor cursor) {
        long id = cursor.getLong(INDEX_ID);
        long dateTaken = cursor.getLong(INDEX_DATE_TAKEN);
        if (dateTaken == 0) {
            dateTaken = cursor.getLong(INDEX_DATE_MODIFIED) * 1000;
        }
        long miniThumbMagic = cursor.getLong(INDEX_MIMI_THUMB_MAGIC);
        return new VideoObject(mContentResolver,
                id, contentUri(id),
                miniThumbMagic, dateTaken);
    }

    public VideoList(ContentResolver resolver, Uri uri, int sort,
            String bucketId) {
        super(resolver, uri, sort, bucketId);
    }

    protected String whereClause() {
        return mBucketId != null
                ? Images.Media.BUCKET_ID + " = '" + mBucketId + "'"
                : null;
    }

    protected String[] whereClauseArgs() {
        return null;
    }

    @Override
    protected Cursor createCursor() {
        Cursor c = Images.Media.query(
                mContentResolver, mBaseUri, VIDEO_PROJECTION,
                whereClause(), whereClauseArgs(), sortOrder());
        return c;
    }
}