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  */
16 package com.android.messaging.datamodel.media;
17 
18 import android.content.Context;
19 
20 import com.android.messaging.util.ImageUtils;
21 import com.android.messaging.util.UriUtil;
22 
23 /**
24  * Holds image request info about file system based image resource.
25  */
26 public 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      */
FileImageRequestDescriptor(final String path, final int desiredWidth, final int desiredHeight, final boolean canUseThumbnail, final boolean canCompress, final boolean isStatic)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      */
FileImageRequestDescriptor(final String path, final int desiredWidth, final int desiredHeight, final int sourceWidth, final int sourceHeight, final boolean canUseThumbnail, final boolean canCompress, final boolean isStatic)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
getKey()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
buildSyncMediaRequest(final Context context)65     public MediaRequest<ImageResource> buildSyncMediaRequest(final Context context) {
66         return new FileImageRequest(context, this);
67     }
68 }