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 
17 package com.android.messaging.datamodel.data;
18 
19 import android.database.Cursor;
20 import android.graphics.Rect;
21 import android.net.Uri;
22 import android.provider.BaseColumns;
23 import android.provider.MediaStore.MediaColumns;
24 import android.text.TextUtils;
25 
26 import com.android.messaging.datamodel.media.FileImageRequestDescriptor;
27 import com.android.messaging.datamodel.media.ImageRequest;
28 import com.android.messaging.datamodel.media.UriImageRequestDescriptor;
29 import com.android.messaging.datamodel.media.VideoThumbnailRequestDescriptor;
30 import com.android.messaging.util.Assert;
31 import com.android.messaging.util.ContentType;
32 import com.android.messaging.util.UriUtil;
33 
34 /**
35  * Provides data for GalleryGridItemView
36  */
37 public class GalleryGridItemData {
38     public static final String[] MEDIA_PROJECTION = new String[] {
39         MediaColumns._ID,
40         MediaColumns.DATA,
41         MediaColumns.WIDTH,
42         MediaColumns.HEIGHT,
43         MediaColumns.MIME_TYPE,
44         MediaColumns.DATE_MODIFIED,
45         MediaColumns.DISPLAY_NAME};
46 
47     public static final String[] SPECIAL_ITEM_COLUMNS = new String[] {
48         BaseColumns._ID
49     };
50 
51     private static final int INDEX_ID = 0;
52 
53     // For local media gallery.
54     private static final int INDEX_DATA_PATH = 1;
55     private static final int INDEX_WIDTH = 2;
56     private static final int INDEX_HEIGHT = 3;
57     private static final int INDEX_MIME_TYPE = 4;
58     private static final int INDEX_DATE_MODIFIED = 5;
59     private static final int INDEX_DISPLAY_NAME = 6;
60 
61     /** A special item's id for picking a media from document picker */
62     public static final String ID_DOCUMENT_PICKER_ITEM = "-1";
63 
64     private UriImageRequestDescriptor mImageData;
65     private String mContentType;
66     private boolean mIsDocumentPickerItem;
67     private long mDateSeconds;
68     private String mFileName;
69     private Uri mAudioUri;
70 
GalleryGridItemData()71     public GalleryGridItemData() {
72     }
73 
bind(final Cursor cursor, final int desiredWidth, final int desiredHeight)74     public void bind(final Cursor cursor, final int desiredWidth, final int desiredHeight) {
75         mIsDocumentPickerItem = TextUtils.equals(cursor.getString(INDEX_ID),
76                 ID_DOCUMENT_PICKER_ITEM);
77         if (mIsDocumentPickerItem) {
78             mImageData = null;
79             mContentType = null;
80         } else {
81             mContentType = cursor.getString(INDEX_MIME_TYPE);
82             final String filePath = cursor.getString(INDEX_DATA_PATH);
83             final String dateModified = cursor.getString(INDEX_DATE_MODIFIED);
84             mDateSeconds = !TextUtils.isEmpty(dateModified) ? Long.parseLong(dateModified) : -1;
85             if (ContentType.isAudioType(mContentType)) {
86                 mImageData = null;
87                 mAudioUri = UriUtil.getUriForResourceFile(filePath);
88                 mFileName = cursor.getString(INDEX_DISPLAY_NAME);
89             } else { // For image and video types
90                 int sourceWidth = cursor.getInt(INDEX_WIDTH);
91                 int sourceHeight = cursor.getInt(INDEX_HEIGHT);
92 
93                 // Guard against bad data
94                 if (sourceWidth <= 0) {
95                     sourceWidth = ImageRequest.UNSPECIFIED_SIZE;
96                 }
97                 if (sourceHeight <= 0) {
98                     sourceHeight = ImageRequest.UNSPECIFIED_SIZE;
99                 }
100 
101                 if (ContentType.isVideoType(mContentType)) {
102                     mImageData = new VideoThumbnailRequestDescriptor(
103                             cursor.getLong(INDEX_ID),
104                             desiredWidth,
105                             desiredHeight,
106                             sourceWidth,
107                             sourceHeight);
108                 } else {
109                     mImageData = new FileImageRequestDescriptor(
110                             filePath,
111                             desiredWidth,
112                             desiredHeight,
113                             sourceWidth,
114                             sourceHeight,
115                             true /* canUseThumbnail */,
116                             true /* allowCompression */,
117                             true /* isStatic */);
118                 }
119             }
120         }
121     }
122 
isDocumentPickerItem()123     public boolean isDocumentPickerItem() {
124         return mIsDocumentPickerItem;
125     }
126 
getImageUri()127     public Uri getImageUri() {
128         return ContentType.isAudioType(mContentType) ? mAudioUri : mImageData.uri;
129     }
130 
getImageRequestDescriptor()131     public UriImageRequestDescriptor getImageRequestDescriptor() {
132         return mImageData;
133     }
134 
constructMessagePartData(final Rect startRect)135     public MessagePartData constructMessagePartData(final Rect startRect) {
136         Assert.isTrue(!mIsDocumentPickerItem);
137         return ContentType.isAudioType(mContentType)
138                 ? new MediaPickerMessagePartData(startRect, mContentType, mAudioUri, 0, 0)
139                 : new MediaPickerMessagePartData(startRect, mContentType, mImageData.uri,
140                         mImageData.sourceWidth, mImageData.sourceHeight);
141     }
142 
143     /**
144      * @return The date in seconds. This can be negative if we could not retreive date info
145      */
getDateSeconds()146     public long getDateSeconds() {
147         return mDateSeconds;
148     }
149 
getContentType()150     public String getContentType() {
151         return mContentType;
152     }
153 
getFileName()154     public String getFileName() {
155         return mFileName;
156     }
157 }
158