1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package com.android.messaging.datamodel.media;
17
18import android.content.Context;
19
20import com.android.messaging.util.ImageUtils;
21import com.android.messaging.util.UriUtil;
22
23/**
24 * Holds image request info about file system based image resource.
25 */
26public class FileImageRequestDescriptor extends UriImageRequestDescriptor {
27    public final String path;
28
29    // Can we use the thumbnail image from Exif data?
30    public final boolean canUseThumbnail;
31
32    /**
33     * Convenience constructor for when the image file's dimensions are not known.
34     */
35    public FileImageRequestDescriptor(final String path, final int desiredWidth,
36            final int desiredHeight, final boolean canUseThumbnail, final boolean canCompress,
37            final boolean isStatic) {
38        this(path, desiredWidth, desiredHeight, FileImageRequest.UNSPECIFIED_SIZE,
39                FileImageRequest.UNSPECIFIED_SIZE, canUseThumbnail, canCompress, isStatic);
40    }
41
42    /**
43     * Creates a new file image request with this descriptor. Oftentimes image file metadata
44     * has information such as the size of the image. Provide these metrics if they are known.
45     */
46    public FileImageRequestDescriptor(final String path, final int desiredWidth,
47            final int desiredHeight, final int sourceWidth, final int sourceHeight,
48            final boolean canUseThumbnail, final boolean canCompress, final boolean isStatic) {
49        super(UriUtil.getUriForResourceFile(path), desiredWidth, desiredHeight, sourceWidth,
50                sourceHeight, canCompress,  isStatic, false /* cropToCircle */,
51                ImageUtils.DEFAULT_CIRCLE_BACKGROUND_COLOR /* circleBackgroundColor */,
52                ImageUtils.DEFAULT_CIRCLE_STROKE_COLOR /* circleStrokeColor */);
53        this.path = path;
54        this.canUseThumbnail = canUseThumbnail;
55    }
56
57    @Override
58    public String getKey() {
59        final String prefixKey = super.getKey();
60        return prefixKey == null ? null : new StringBuilder(prefixKey).append(KEY_PART_DELIMITER)
61                .append(canUseThumbnail).toString();
62    }
63
64    @Override
65    public MediaRequest<ImageResource> buildSyncMediaRequest(final Context context) {
66        return new FileImageRequest(context, this);
67    }
68}