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/*
* Copyright (C) 2015 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.messaging.datamodel;
import android.content.Context;
import android.net.Uri;
import android.provider.MediaStore.Files;
import android.provider.MediaStore.Files.FileColumns;
import android.provider.MediaStore.Images.Media;
import com.android.messaging.datamodel.data.GalleryGridItemData;
import com.android.messaging.datamodel.data.MessagePartData;
import com.google.common.base.Joiner;
/**
* A BoundCursorLoader that reads local media on the device.
*/
public class GalleryBoundCursorLoader extends BoundCursorLoader {
public static final String MEDIA_SCANNER_VOLUME_EXTERNAL = "external";
private static final Uri STORAGE_URI = Files.getContentUri(MEDIA_SCANNER_VOLUME_EXTERNAL);
private static final String SORT_ORDER = Media.DATE_MODIFIED + " DESC";
private static final String TAG = GalleryBoundCursorLoader.class.getSimpleName();
private static final String IMAGE_SELECTION = createSelection(
MessagePartData.ACCEPTABLE_IMAGE_TYPES,
new Integer[] { FileColumns.MEDIA_TYPE_IMAGE, FileColumns.MEDIA_TYPE_VIDEO});
public GalleryBoundCursorLoader(final String bindingId, final Context context) {
super(bindingId, context, STORAGE_URI, GalleryGridItemData.IMAGE_PROJECTION,
IMAGE_SELECTION, null, SORT_ORDER);
}
private static String createSelection(final String[] mimeTypes, Integer[] mediaTypes) {
return Media.MIME_TYPE + " IN ('" + Joiner.on("','").join(mimeTypes) + "') AND "
+ FileColumns.MEDIA_TYPE + " IN (" + Joiner.on(',').join(mediaTypes) + ")";
}
}
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