| // Copyright 2017 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CONTENT_BROWSER_PAYMENTS_PAYMENT_INSTRUMENT_ICON_FETCHER_H_ |
| #define CONTENT_BROWSER_PAYMENTS_PAYMENT_INSTRUMENT_ICON_FETCHER_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "content/browser/service_worker/service_worker_context_wrapper.h" |
| #include "net/url_request/url_fetcher.h" |
| #include "net/url_request/url_fetcher_delegate.h" |
| #include "net/url_request/url_request_context_getter.h" |
| #include "third_party/WebKit/public/platform/modules/payments/payment_app.mojom.h" |
| #include "third_party/skia/include/core/SkBitmap.h" |
| |
| namespace content { |
| |
| class PaymentInstrumentIconFetcher |
| : public base::RefCountedThreadSafe<PaymentInstrumentIconFetcher>, |
| private net::URLFetcherDelegate { |
| public: |
| using PaymentInstrumentIconFetcherCallback = |
| base::OnceCallback<void(const std::string&)>; |
| |
| PaymentInstrumentIconFetcher(); |
| |
| // Starts fetching and decoding payment instrument icon from online. The |
| // result will be send back through |callback|. |
| // TODO(gogerald): Right now, we return the first fetchable and decodable icon |
| // with smallest available size. We may add more logic to choose appropriate |
| // icon according to icon size and our usage. |
| void Start(const std::vector<payments::mojom::ImageObjectPtr>& image_objects, |
| scoped_refptr<ServiceWorkerContextWrapper> service_worker_context, |
| PaymentInstrumentIconFetcherCallback callback); |
| |
| private: |
| friend class base::RefCountedThreadSafe<PaymentInstrumentIconFetcher>; |
| ~PaymentInstrumentIconFetcher() override; |
| |
| void StartFromUIThread( |
| scoped_refptr<ServiceWorkerContextWrapper> service_worker_context); |
| void PostCallbackToIOThread(const std::string& decoded_data); |
| |
| // data_decoder::mojom::ImageDecoder::DecodeImageCallback. |
| void DecodeImageCallback(const SkBitmap& bitmap); |
| |
| // Override net::URLFetcherDelegate. |
| void OnURLFetchComplete(const net::URLFetcher* source) override; |
| |
| void FetchIcon(); |
| |
| // Declared set of image objects of the payment instrument. |
| std::vector<payments::mojom::ImageObjectPtr> image_objects_; |
| |
| // The index of the currently checking image object in image_objects_. |
| size_t checking_image_object_index_; |
| |
| // The callback to notify after complete. |
| PaymentInstrumentIconFetcherCallback callback_; |
| |
| // The url request context getter for fetching icon from online. |
| scoped_refptr<net::URLRequestContextGetter> url_request_context_getter_; |
| |
| // The url fetcher to fetch raw icon from online. |
| std::unique_ptr<net::URLFetcher> fetcher_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PaymentInstrumentIconFetcher); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_PAYMENTS_PAYMENT_INSTRUMENT_ICON_FETCHER_H_ |