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1 /*
2  * Copyright (C) 2013 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 
17 package com.android.camera.data;
18 
19 import java.util.EnumSet;
20 
21 /**
22  * Represents an immutable set of item attributes
23  */
24 public class FilmstripItemAttributes {
25     public enum Attributes {
26         HAS_DETAILED_CAPTURE_INFO,
27         CAN_SHARE,
28         CAN_EDIT,
29         CAN_DELETE,
30         CAN_PLAY,
31         CAN_OPEN_VIEWER,
32         CAN_SWIPE_AWAY,
33         CAN_ZOOM_IN_PLACE,
34         IS_RENDERING,
35         IS_IMAGE,
36         IS_VIDEO,
37     }
38 
39     private final EnumSet<Attributes> mAttributes;
40 
41     public static final FilmstripItemAttributes DEFAULT =
42           new Builder().build();
43 
FilmstripItemAttributes(EnumSet<Attributes> attributes)44     private FilmstripItemAttributes(EnumSet<Attributes> attributes) {
45        mAttributes = attributes;
46     }
47 
hasDetailedCaptureInfo()48     public boolean hasDetailedCaptureInfo() {
49         return mAttributes.contains(Attributes.HAS_DETAILED_CAPTURE_INFO);
50     }
51 
52     // TODO: Replace this with a command.
canShare()53     public boolean canShare() {
54         return mAttributes.contains(Attributes.CAN_SHARE);
55     }
56 
57     // TODO: Replace this with a command.
canEdit()58     public boolean canEdit() {
59         return mAttributes.contains(Attributes.CAN_EDIT);
60     }
61 
62     // TODO: Replace this with a command.
canDelete()63     public boolean canDelete() {
64         return mAttributes.contains(Attributes.CAN_DELETE);
65     }
66 
canSwipeAway()67     public boolean canSwipeAway() {
68         return mAttributes.contains(Attributes.CAN_SWIPE_AWAY);
69     }
70 
canZoomInPlace()71     public boolean canZoomInPlace() {
72         return mAttributes.contains(Attributes.CAN_ZOOM_IN_PLACE);
73     }
74 
isRendering()75     public boolean isRendering() {
76         return mAttributes.contains(Attributes.IS_RENDERING);
77     }
78 
79     // TODO: Consider replacing video / image with an enum.
isImage()80     public boolean isImage() {
81         return mAttributes.contains(Attributes.IS_IMAGE);
82     }
83 
isVideo()84     public boolean isVideo() {
85         return mAttributes.contains(Attributes.IS_VIDEO);
86     }
87 
88     /**
89      * Builder for {@code FilmstripItemAttributes}.
90      */
91     public static class Builder {
92         EnumSet<Attributes> mAttributes = EnumSet.noneOf(Attributes.class);
with(Attributes attribute)93         public Builder with(Attributes attribute) {
94             mAttributes.add(attribute);
95             return this;
96         }
97 
build()98         public FilmstripItemAttributes build() {
99             return new FilmstripItemAttributes(EnumSet.copyOf(mAttributes));
100         }
101     }
102 }