OLD | NEW |
---|---|
(Empty) | |
1 // Copyright 2017 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef COMPONENTS_IMAGE_FETCHER_IOS_IOS_IMAGE_DATA_FETCHER_WRAPPER_H_ | |
6 #define COMPONENTS_IMAGE_FETCHER_IOS_IOS_IMAGE_DATA_FETCHER_WRAPPER_H_ | |
7 | |
8 #import <Foundation/Foundation.h> | |
9 | |
10 #include "base/memory/ref_counted.h" | |
11 #include "components/data_use_measurement/core/data_use_user_data.h" | |
12 | |
13 namespace base { | |
14 class TaskRunner; | |
15 } | |
16 | |
17 namespace net { | |
18 class URLRequestContextGetter; | |
19 } | |
20 | |
21 namespace image_fetcher { | |
22 class ImageDataFetcher; | |
23 } | |
24 | |
25 class GURL; | |
26 | |
27 namespace image_fetcher { | |
28 | |
29 // Callback that informs of the download of an image encoded in |data|. | |
30 using IOSImageDataFetcherCallback = void (^)(NSData* data); | |
31 | |
32 class IOSImageDataFetcherWrapper { | |
33 public: | |
34 using DataUseServiceName = data_use_measurement::DataUseUserData::ServiceName; | |
35 | |
36 // The TaskRunner is used to eventually decode the image. | |
Marc Treib
2017/01/31 16:17:25
...in case it is WebP (right?)
gambard
2017/01/31 16:55:53
Done.
| |
37 IOSImageDataFetcherWrapper( | |
38 net::URLRequestContextGetter* url_request_context_getter, | |
39 const scoped_refptr<base::TaskRunner>& task_runner); | |
40 virtual ~IOSImageDataFetcherWrapper(); | |
41 | |
42 // Start downloading the image at the given |image_url|. The |callback| will | |
43 // be called with the downloaded image, or nil if any error happened or the | |
44 // http response header is not HTTP_OK (200). If the url is a data URL, the | |
45 // http response header is considered to be HTTP_OK. | |
46 void FetchImageDataWebpDecoded(const GURL& image_url, | |
47 IOSImageDataFetcherCallback callback); | |
48 | |
49 // Sets a service name against which to track data usage. | |
50 void SetDataUseServiceName(DataUseServiceName data_use_service_name); | |
51 | |
52 private: | |
53 // The task runner used to decode images if necessary. | |
54 const scoped_refptr<base::TaskRunner> task_runner_; | |
55 std::unique_ptr<ImageDataFetcher> image_data_fetcher_; | |
56 }; | |
57 } // namespace image_fetcher | |
58 | |
59 #endif // COMPONENTS_IMAGE_FETCHER_IOS_IOS_IMAGE_DATA_FETCHER_WRAPPER_H_ | |
OLD | NEW |