50 lines
2.1 KiB
Java
50 lines
2.1 KiB
Java
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.messaging.datamodel;
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import android.content.Context;
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import android.net.Uri;
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import android.provider.MediaStore.Files;
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import android.provider.MediaStore.Files.FileColumns;
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import android.provider.MediaStore.Images.Media;
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import com.android.messaging.datamodel.data.GalleryGridItemData;
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import com.android.messaging.datamodel.data.MessagePartData;
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import com.google.common.base.Joiner;
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/**
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* A BoundCursorLoader that reads local media on the device.
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*/
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public class GalleryBoundCursorLoader extends BoundCursorLoader {
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public static final String MEDIA_SCANNER_VOLUME_EXTERNAL = "external";
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private static final Uri STORAGE_URI = Files.getContentUri(MEDIA_SCANNER_VOLUME_EXTERNAL);
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private static final String SORT_ORDER = Media.DATE_MODIFIED + " DESC";
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private static final String IMAGE_SELECTION = createSelection(
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MessagePartData.ACCEPTABLE_IMAGE_TYPES,
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new Integer[] { FileColumns.MEDIA_TYPE_IMAGE });
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public GalleryBoundCursorLoader(final String bindingId, final Context context) {
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super(bindingId, context, STORAGE_URI, GalleryGridItemData.IMAGE_PROJECTION,
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IMAGE_SELECTION, null, SORT_ORDER);
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}
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private static String createSelection(final String[] mimeTypes, Integer[] mediaTypes) {
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return Media.MIME_TYPE + " IN ('" + Joiner.on("','").join(mimeTypes) + "') AND "
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+ FileColumns.MEDIA_TYPE + " IN (" + Joiner.on(',').join(mediaTypes) + ")";
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}
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}
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