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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef COMPONENTS_IMAGE_FETCHER_CORE_IMAGE_DATA_FETCHER_H_ | 5 #ifndef COMPONENTS_IMAGE_FETCHER_CORE_IMAGE_DATA_FETCHER_H_ |
6 #define COMPONENTS_IMAGE_FETCHER_CORE_IMAGE_DATA_FETCHER_H_ | 6 #define COMPONENTS_IMAGE_FETCHER_CORE_IMAGE_DATA_FETCHER_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <memory> | 9 #include <memory> |
10 #include <string> | 10 #include <string> |
11 | 11 |
12 #include "base/callback.h" | 12 #include "base/callback.h" |
13 #include "base/macros.h" | 13 #include "base/macros.h" |
14 #include "base/memory/ref_counted.h" | 14 #include "base/memory/ref_counted.h" |
| 15 #include "base/optional.h" |
15 #include "components/data_use_measurement/core/data_use_user_data.h" | 16 #include "components/data_use_measurement/core/data_use_user_data.h" |
16 #include "components/image_fetcher/core/request_metadata.h" | 17 #include "components/image_fetcher/core/request_metadata.h" |
17 #include "net/url_request/url_fetcher_delegate.h" | 18 #include "net/url_request/url_fetcher_delegate.h" |
18 #include "net/url_request/url_request.h" | 19 #include "net/url_request/url_request.h" |
19 #include "url/gurl.h" | 20 #include "url/gurl.h" |
20 | 21 |
21 namespace net { | 22 namespace net { |
22 class URLFetcher; | 23 class URLFetcher; |
23 class URLRequestContextGetter; | 24 class URLRequestContextGetter; |
24 } // namespace net | 25 } // namespace net |
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35 | 36 |
36 using DataUseServiceName = data_use_measurement::DataUseUserData::ServiceName; | 37 using DataUseServiceName = data_use_measurement::DataUseUserData::ServiceName; |
37 | 38 |
38 explicit ImageDataFetcher( | 39 explicit ImageDataFetcher( |
39 net::URLRequestContextGetter* url_request_context_getter); | 40 net::URLRequestContextGetter* url_request_context_getter); |
40 ~ImageDataFetcher() override; | 41 ~ImageDataFetcher() override; |
41 | 42 |
42 // Sets a service name against which to track data usage. | 43 // Sets a service name against which to track data usage. |
43 void SetDataUseServiceName(DataUseServiceName data_use_service_name); | 44 void SetDataUseServiceName(DataUseServiceName data_use_service_name); |
44 | 45 |
| 46 // Sets an upper limit for image downloads. |
| 47 // Already running downloads are affected. |
| 48 void SetImageDownloadLimit(base::Optional<int64_t> max_download_bytes); |
| 49 |
45 // Fetches the raw image bytes from the given |image_url| and calls the given | 50 // Fetches the raw image bytes from the given |image_url| and calls the given |
46 // |callback|. The callback is run even if fetching the URL fails. In case | 51 // |callback|. The callback is run even if fetching the URL fails. In case |
47 // of an error an empty string is passed to the callback. | 52 // of an error an empty string is passed to the callback. |
48 void FetchImageData(const GURL& image_url, | 53 void FetchImageData(const GURL& image_url, |
49 const ImageDataFetcherCallback& callback); | 54 const ImageDataFetcherCallback& callback); |
50 | 55 |
51 // Like above, but lets the caller set a referrer. | 56 // Like above, but lets the caller set a referrer. |
52 void FetchImageData(const GURL& image_url, | 57 void FetchImageData(const GURL& image_url, |
53 const ImageDataFetcherCallback& callback, | 58 const ImageDataFetcherCallback& callback, |
54 const std::string& referrer, | 59 const std::string& referrer, |
55 net::URLRequest::ReferrerPolicy referrer_policy); | 60 net::URLRequest::ReferrerPolicy referrer_policy); |
56 | 61 |
57 private: | 62 private: |
58 struct ImageDataFetcherRequest; | 63 struct ImageDataFetcherRequest; |
59 | 64 |
60 // Method inherited from URLFetcherDelegate | 65 // Methods inherited from URLFetcherDelegate |
61 void OnURLFetchComplete(const net::URLFetcher* source) override; | 66 void OnURLFetchComplete(const net::URLFetcher* source) override; |
| 67 void OnURLFetchDownloadProgress(const net::URLFetcher* source, |
| 68 int64_t current, |
| 69 int64_t total, |
| 70 int64_t current_network_bytes) override; |
| 71 |
| 72 void FinishRequest(const net::URLFetcher* source, |
| 73 const RequestMetadata& metadata, |
| 74 const std::string& image_data); |
62 | 75 |
63 // All active image url requests. | 76 // All active image url requests. |
64 std::map<const net::URLFetcher*, std::unique_ptr<ImageDataFetcherRequest>> | 77 std::map<const net::URLFetcher*, std::unique_ptr<ImageDataFetcherRequest>> |
65 pending_requests_; | 78 pending_requests_; |
66 | 79 |
67 scoped_refptr<net::URLRequestContextGetter> url_request_context_getter_; | 80 scoped_refptr<net::URLRequestContextGetter> url_request_context_getter_; |
68 | 81 |
69 DataUseServiceName data_use_service_name_; | 82 DataUseServiceName data_use_service_name_; |
70 | 83 |
71 // The next ID to use for a newly created URLFetcher. Each URLFetcher gets an | 84 // The next ID to use for a newly created URLFetcher. Each URLFetcher gets an |
72 // id when it is created. The |url_fetcher_id_| is incremented by one for each | 85 // id when it is created. The |url_fetcher_id_| is incremented by one for each |
73 // newly created URLFetcher. The URLFetcher ID can be used during testing to | 86 // newly created URLFetcher. The URLFetcher ID can be used during testing to |
74 // get individual URLFetchers and modify their state. Outside of tests this ID | 87 // get individual URLFetchers and modify their state. Outside of tests this ID |
75 // is not used. | 88 // is not used. |
76 int next_url_fetcher_id_; | 89 int next_url_fetcher_id_; |
77 | 90 |
| 91 // Upper limit for the number of bytes to download per image. |
| 92 base::Optional<int64_t> max_download_bytes_; |
| 93 |
78 DISALLOW_COPY_AND_ASSIGN(ImageDataFetcher); | 94 DISALLOW_COPY_AND_ASSIGN(ImageDataFetcher); |
79 }; | 95 }; |
80 | 96 |
81 } // namespace image_fetcher | 97 } // namespace image_fetcher |
82 | 98 |
83 #endif // COMPONENTS_IMAGE_FETCHER_CORE_IMAGE_DATA_FETCHER_H_ | 99 #endif // COMPONENTS_IMAGE_FETCHER_CORE_IMAGE_DATA_FETCHER_H_ |
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