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| 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 CONTENT_BROWSER_PAYMENTS_PAYMENT_INSTRUMENT_ICON_FETCHER_H_ |
| 6 #define CONTENT_BROWSER_PAYMENTS_PAYMENT_INSTRUMENT_ICON_FETCHER_H_ |
| 7 |
| 8 #include <string> |
| 9 #include <vector> |
| 10 |
| 11 #include "base/macros.h" |
| 12 #include "base/memory/ref_counted.h" |
| 13 #include "components/payments/mojom/payment_app.mojom.h" |
| 14 #include "content/browser/service_worker/service_worker_context_wrapper.h" |
| 15 #include "net/url_request/url_fetcher.h" |
| 16 #include "net/url_request/url_fetcher_delegate.h" |
| 17 #include "net/url_request/url_request_context_getter.h" |
| 18 #include "third_party/skia/include/core/SkBitmap.h" |
| 19 |
| 20 namespace content { |
| 21 |
| 22 class PaymentInstrumentIconFetcher |
| 23 : public base::RefCountedThreadSafe<PaymentInstrumentIconFetcher>, |
| 24 private net::URLFetcherDelegate { |
| 25 public: |
| 26 using PaymentInstrumentIconFetcherCallback = |
| 27 base::OnceCallback<void(const std::string&)>; |
| 28 |
| 29 PaymentInstrumentIconFetcher(); |
| 30 |
| 31 // Starts fetching and decoding payment instrument icon from online. The |
| 32 // result will be send back through |callback|. |
| 33 // TODO(gogerald): Right now, we return the first fetchable and decodable icon |
| 34 // with smallest available size. We may add more logic to choose appropriate |
| 35 // icon according to icon size and our usage. |
| 36 void Start(const std::vector<payments::mojom::ImageObjectPtr>& image_objects, |
| 37 scoped_refptr<ServiceWorkerContextWrapper> service_worker_context, |
| 38 PaymentInstrumentIconFetcherCallback callback); |
| 39 |
| 40 private: |
| 41 friend class base::RefCountedThreadSafe<PaymentInstrumentIconFetcher>; |
| 42 ~PaymentInstrumentIconFetcher() override; |
| 43 |
| 44 void StartFromUIThread( |
| 45 scoped_refptr<ServiceWorkerContextWrapper> service_worker_context); |
| 46 void PostCallbackToIOThread(const std::string& decoded_data); |
| 47 |
| 48 // data_decoder::mojom::ImageDecoder::DecodeImageCallback. |
| 49 void DecodeImageCallback(const SkBitmap& bitmap); |
| 50 |
| 51 // Override net::URLFetcherDelegate. |
| 52 void OnURLFetchComplete(const net::URLFetcher* source) override; |
| 53 |
| 54 void FetchIcon(); |
| 55 |
| 56 // Declared set of image objects of the payment instrument. |
| 57 std::vector<payments::mojom::ImageObjectPtr> image_objects_; |
| 58 |
| 59 // The index of the currently checking image object in image_objects_. |
| 60 size_t checking_image_object_index_; |
| 61 |
| 62 // The callback to notify after complete. |
| 63 PaymentInstrumentIconFetcherCallback callback_; |
| 64 |
| 65 // The url request context getter for fetching icon from online. |
| 66 scoped_refptr<net::URLRequestContextGetter> url_request_context_getter_; |
| 67 |
| 68 // The url fetcher to fetch raw icon from online. |
| 69 std::unique_ptr<net::URLFetcher> fetcher_; |
| 70 |
| 71 DISALLOW_COPY_AND_ASSIGN(PaymentInstrumentIconFetcher); |
| 72 }; |
| 73 |
| 74 } // namespace content |
| 75 |
| 76 #endif // CONTENT_BROWSER_PAYMENTS_PAYMENT_INSTRUMENT_ICON_FETCHER_H_ |
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