VideoObject.java revision 9a4cece52995545c210d2e6bf7eb4748caa184ec 
1/*
2 * Copyright (C) 2009 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
17package com.android.camera.gallery;
18
19import com.android.camera.BitmapManager;
20
21import android.content.ContentResolver;
22import android.graphics.Bitmap;
23import android.media.ThumbnailUtils;
24import android.net.Uri;
25import android.provider.MediaStore.Images;
26import android.provider.MediaStore.Video;
27import android.util.Log;
28
29import java.io.IOException;
30import java.io.InputStream;
31
32/**
33 * Represents a particular video and provides access to the underlying data and
34 * two thumbnail bitmaps as well as other information such as the id, and the
35 * path to the actual video data.
36 */
37public class VideoObject extends BaseImage implements IImage {
38    private static final String TAG = "VideoObject";
39    /**
40     * Constructor.
41     *
42     * @param id        the image id of the image
43     * @param cr        the content resolver
44     */
45    protected VideoObject(BaseImageList container, ContentResolver cr,
46            long id, int index, Uri uri, String dataPath,
47            String mimeType, long dateTaken, String title) {
48        super(container, cr, id, index, uri, dataPath,
49                mimeType, dateTaken, title);
50    }
51
52    @Override
53    public boolean equals(Object other) {
54        if (other == null || !(other instanceof VideoObject)) return false;
55        return fullSizeImageUri().equals(
56                ((VideoObject) other).fullSizeImageUri());
57    }
58
59    @Override
60    public int hashCode() {
61        return fullSizeImageUri().toString().hashCode();
62    }
63
64    @Override
65    public Bitmap fullSizeBitmap(int minSideLength, int maxNumberOfPixels,
66            boolean rotateAsNeeded, boolean useNative) {
67        return ThumbnailUtils.createVideoThumbnail(mDataPath,
68                Video.Thumbnails.MINI_KIND);
69    }
70
71    @Override
72    public InputStream fullSizeImageData() {
73        try {
74            InputStream input = mContentResolver.openInputStream(
75                    fullSizeImageUri());
76            return input;
77        } catch (IOException ex) {
78            return null;
79        }
80    }
81
82    @Override
83    public int getHeight() {
84         return 0;
85    }
86
87    @Override
88    public int getWidth() {
89        return 0;
90    }
91
92    public boolean isReadonly() {
93        return false;
94    }
95
96    public boolean isDrm() {
97        return false;
98    }
99
100    public boolean rotateImageBy(int degrees) {
101       return false;
102    }
103
104    public Bitmap thumbBitmap(boolean rotateAsNeeded) {
105        return fullSizeBitmap(THUMBNAIL_TARGET_SIZE, THUMBNAIL_MAX_NUM_PIXELS);
106    }
107
108    @Override
109    public Bitmap miniThumbBitmap() {
110        try {
111            long id = mId;
112            return BitmapManager.instance().getThumbnail(mContentResolver,
113                    id, Images.Thumbnails.MICRO_KIND, null, true);
114        } catch (Throwable ex) {
115            Log.e(TAG, "miniThumbBitmap got exception", ex);
116            return null;
117        }
118    }
119
120    @Override
121    public String toString() {
122        return new StringBuilder("VideoObject").append(mId).toString();
123    }
124}
125