1 /*
2 * Copyright (C) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 #define MLOG_TAG "Thumbnail"
16
17 #include <fcntl.h>
18
19 #include "default_thumbnail_helper.h"
20 #include "medialibrary_errno.h"
21 #include "media_log.h"
22 #include "thumbnail_const.h"
23 #include "thumbnail_utils.h"
24
25 using namespace std;
26 using namespace OHOS::DistributedKv;
27 using namespace OHOS::NativeRdb;
28
29 namespace OHOS {
30 namespace Media {
CreateThumbnail(ThumbRdbOpt & opts,bool isSync)31 int32_t DefaultThumbnailHelper::CreateThumbnail(ThumbRdbOpt &opts, bool isSync)
32 {
33 ThumbnailData thumbnailData;
34 GetThumbnailInfo(opts, thumbnailData);
35
36 string fileName = GetThumbnailPath(thumbnailData.path, THUMBNAIL_THUMB_SUFFIX);
37 if (access(fileName.c_str(), F_OK) == 0) {
38 MEDIA_DEBUG_LOG("CreateThumbnail key is same, no need generate");
39 return E_OK;
40 }
41
42 if (isSync) {
43 DoCreateThumbnail(opts, thumbnailData);
44 } else {
45 IThumbnailHelper::AddAsyncTask(IThumbnailHelper::CreateThumbnail, opts, thumbnailData, true);
46 }
47 return E_OK;
48 }
49
GetThumbnailPixelMap(ThumbRdbOpt & opts)50 int32_t DefaultThumbnailHelper::GetThumbnailPixelMap(ThumbRdbOpt &opts)
51 {
52 ThumbnailWait thumbnailWait(false);
53 thumbnailWait.CheckAndWait(opts.row, false);
54 ThumbnailData thumbnailData;
55 GetThumbnailInfo(opts, thumbnailData);
56
57 string fileName = GetThumbnailPath(thumbnailData.path, THUMBNAIL_THUMB_SUFFIX);
58 if (access(fileName.c_str(), F_OK) != 0) {
59 if (!DoCreateThumbnail(opts, thumbnailData)) {
60 return E_THUMBNAIL_LOCAL_CREATE_FAIL;
61 }
62 if (!opts.path.empty()) {
63 fileName = GetThumbnailPath(thumbnailData.path, THUMBNAIL_THUMB_SUFFIX);
64 }
65 }
66 auto fd = open(fileName.c_str(), O_RDONLY);
67 if (fd >= 0) {
68 return fd;
69 }
70 return -errno;
71 }
72 } // namespace Media
73 } // namespace OHOS
74