| OLD | NEW |
|---|
| (Empty) |
| 1 // Copyright (c) 2012 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 CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_FETCHER_H_ | |
| 6 #define CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_FETCHER_H_ | |
| 7 | |
| 8 #include "base/callback_forward.h" | |
| 9 #include "base/memory/ref_counted.h" | |
| 10 #include "base/memory/scoped_ptr.h" | |
| 11 #include "base/memory/scoped_vector.h" | |
| 12 #include "base/strings/string16.h" | |
| 13 #include "components/keyed_service/core/keyed_service.h" | |
| 14 | |
| 15 class GURL; | |
| 16 class TemplateURL; | |
| 17 class TemplateURLService; | |
| 18 | |
| 19 namespace net { | |
| 20 class URLFetcher; | |
| 21 class URLRequestContextGetter; | |
| 22 } | |
| 23 | |
| 24 // TemplateURLFetcher is responsible for downloading OpenSearch description | |
| 25 // documents, creating a TemplateURL from the OSDD, and adding the TemplateURL | |
| 26 // to the TemplateURLService. Downloading is done in the background. | |
| 27 // | |
| 28 class TemplateURLFetcher : public KeyedService { | |
| 29 public: | |
| 30 typedef base::Callback<void( | |
| 31 net::URLFetcher* url_fetcher)> URLFetcherCustomizeCallback; | |
| 32 typedef base::Callback<void( | |
| 33 scoped_ptr<TemplateURL> template_url)> ConfirmAddSearchProviderCallback; | |
| 34 | |
| 35 enum ProviderType { | |
| 36 AUTODETECTED_PROVIDER, | |
| 37 EXPLICIT_PROVIDER // Supplied by Javascript. | |
| 38 }; | |
| 39 | |
| 40 // Creates a TemplateURLFetcher. | |
| 41 TemplateURLFetcher(TemplateURLService* template_url_service, | |
| 42 net::URLRequestContextGetter* request_context); | |
| 43 virtual ~TemplateURLFetcher(); | |
| 44 | |
| 45 // If TemplateURLFetcher is not already downloading the OSDD for osdd_url, | |
| 46 // it is downloaded. If successful and the result can be parsed, a TemplateURL | |
| 47 // is added to the TemplateURLService. | |
| 48 // | |
| 49 // If |provider_type| is AUTODETECTED_PROVIDER, |keyword| must be non-empty, | |
| 50 // and if there's already a non-replaceable TemplateURL in the model for | |
| 51 // |keyword|, or we're already downloading an OSDD for this keyword, no | |
| 52 // download is started. If |provider_type| is EXPLICIT_PROVIDER, |keyword| is | |
| 53 // ignored. | |
| 54 // | |
| 55 // If |url_fetcher_customize_callback| is not null, it's run after a | |
| 56 // URLFetcher is created. This callback can be used to set additional | |
| 57 // parameters on the URLFetcher. | |
| 58 void ScheduleDownload( | |
| 59 const base::string16& keyword, | |
| 60 const GURL& osdd_url, | |
| 61 const GURL& favicon_url, | |
| 62 const URLFetcherCustomizeCallback& url_fetcher_customize_callback, | |
| 63 const ConfirmAddSearchProviderCallback& confirm_add_callback, | |
| 64 ProviderType provider_type); | |
| 65 | |
| 66 // The current number of outstanding requests. | |
| 67 int requests_count() const { return requests_.size(); } | |
| 68 | |
| 69 private: | |
| 70 // A RequestDelegate is created to download each OSDD. When done downloading | |
| 71 // RequestCompleted is invoked back on the TemplateURLFetcher. | |
| 72 class RequestDelegate; | |
| 73 friend class RequestDelegate; | |
| 74 | |
| 75 typedef ScopedVector<RequestDelegate> Requests; | |
| 76 | |
| 77 // Invoked from the RequestDelegate when done downloading. | |
| 78 void RequestCompleted(RequestDelegate* request); | |
| 79 | |
| 80 TemplateURLService* template_url_service_; | |
| 81 scoped_refptr<net::URLRequestContextGetter> request_context_; | |
| 82 | |
| 83 // In progress requests. | |
| 84 Requests requests_; | |
| 85 | |
| 86 DISALLOW_COPY_AND_ASSIGN(TemplateURLFetcher); | |
| 87 }; | |
| 88 | |
| 89 #endif // CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_FETCHER_H_ | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 373343003:
Componentize TemplateURLFetcher (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src