Index: chrome/browser/extensions/api/dial/device_description_fetcher.h |
diff --git a/chrome/browser/extensions/api/dial/device_description_fetcher.h b/chrome/browser/extensions/api/dial/device_description_fetcher.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..309dc88a60007e340790bdd540412560125c73d2 |
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+++ b/chrome/browser/extensions/api/dial/device_description_fetcher.h |
@@ -0,0 +1,73 @@ |
+// Copyright (c) 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 CHROME_BROWSER_EXTENSIONS_API_DIAL_DEVICE_DESCRIPTION_FETCHER_H_ |
+#define CHROME_BROWSER_EXTENSIONS_API_DIAL_DEVICE_DESCRIPTION_FETCHER_H_ |
+ |
+#include <memory> |
+#include <string> |
+ |
+#include "base/callback.h" |
+#include "net/url_request/url_fetcher_delegate.h" |
+#include "url/gurl.h" |
+ |
+class Profile; |
+ |
+namespace net { |
+class URLFetcher; |
+} |
+ |
+namespace extensions { |
+namespace api { |
+namespace dial { |
+ |
+struct DialDeviceDescriptionData; |
+ |
+// Used to make a single HTTP GET request with |device_description_url| to fetch |
+// a uPnP device description from a DIAL device. If successful, |success_cb| is |
+// invoked with the result; otherwise, |error_cb| is invoked with an error |
+// reason. This class is not thread safe and must be used on the UI thread. |
+class DeviceDescriptionFetcher : public net::URLFetcherDelegate { |
+ public: |
+ // Used to identify the net::URLFetcher instance for tests. |
+ static constexpr int kURLFetcherIDForTest = 1; |
+ |
+ // |profile| is unowned; the caller must ensure that this object does not |
+ // outlive it. |
+ DeviceDescriptionFetcher( |
+ const GURL& device_description_url, |
+ Profile* profile, |
+ base::OnceCallback<void(const DialDeviceDescriptionData&)> success_cb, |
+ base::OnceCallback<void(const std::string&)> error_cb); |
+ |
+ ~DeviceDescriptionFetcher() override; |
+ |
+ void Start(); |
+ |
+ private: |
+ // net::URLFetcherDelegate implementation. |
+ void OnURLFetchComplete(const net::URLFetcher* source) override; |
+ void OnURLFetchDownloadProgress(const net::URLFetcher* source, |
+ int64_t current, |
+ int64_t total, |
+ int64_t current_network_bytes) override; |
+ void OnURLFetchUploadProgress(const net::URLFetcher* source, |
+ int64_t current, |
+ int64_t total) override; |
+ |
+ // Runs |error_cb_| with |message| and clears it. |
+ void ReportError(const std::string& message); |
+ |
+ const GURL device_description_url_; |
+ Profile* const profile_; |
+ base::OnceCallback<void(const DialDeviceDescriptionData&)> success_cb_; |
+ base::OnceCallback<void(const std::string&)> error_cb_; |
+ std::unique_ptr<net::URLFetcher> fetcher_; |
+}; |
+ |
+} // namespace dial |
+} // namespace api |
+} // namespace extensions |
+ |
+#endif // CHROME_BROWSER_EXTENSIONS_API_DIAL_DEVICE_DESCRIPTION_FETCHER_H_ |