Index: components/offline_pages/core/prefetch/prefetch_service.h |
diff --git a/components/offline_pages/core/prefetch/prefetch_service.h b/components/offline_pages/core/prefetch/prefetch_service.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..3017a8cd6d97fe4d23d4419fc392880cf9a47cfb |
--- /dev/null |
+++ b/components/offline_pages/core/prefetch/prefetch_service.h |
@@ -0,0 +1,49 @@ |
+// 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 COMPONENTS_OFFLINE_PAGES_CORE_PREFETCH_PREFETCH_SERVICE_H_ |
+#define COMPONENTS_OFFLINE_PAGES_CORE_PREFETCH_PREFETCH_SERVICE_H_ |
+ |
+#include "components/keyed_service/core/keyed_service.h" |
+#include "components/offline_pages/core/offline_page_item.h" |
+ |
+class GURL; |
+ |
+namespace offline_pages { |
+ |
+// Main class for the Offline Pages Prefetching feature, which will ask a server |
+// to package content from interesting URLs and send it to Chrome for |
+// consumption while offline. |
+class PrefetchService : public KeyedService { |
+ public: |
+ struct PrefetchURL { |
+ // Used to differentiate URLs from different sources. |name_space| should |
+ // be unique per source. |id| can be anything useful to identify the page, |
+ // but will not be used for deduplication. |
+ ClientId client_id; |
+ |
+ // This URL will be prefetched by the service. |
+ GURL url; |
+ }; |
+ |
+ ~PrefetchService() override = default; |
+ |
+ // Called when a consumer has new URLs for the system to prefetch. |
carlosk
2017/04/18 00:36:09
nit: s/has new/has potentially new/ ?
I'm not real
dewittj
2017/04/18 18:20:25
Done.
|
+ virtual void OnNewURLsToPrefetch( |
jianli
2017/04/17 21:52:58
Can we rename this to something like PrefetchURLs
dewittj
2017/04/17 22:22:18
Done.
|
+ const std::vector<PrefetchURL>& prefetch_urls) = 0; |
+ |
+ // Called when all existing suggestions are no longer considered valid for a |
+ // given namespace. The prefetch service should remove any URLs that |
+ // have not yet started downloading within that namespace. |
carlosk
2017/04/18 00:36:09
IRT "have not yet started downloading": why not de
dewittj
2017/04/18 18:20:25
I recall we want to treat pages that have started
carlosk
2017/04/18 20:17:22
Acknowledged.
|
+ virtual void RemoveAllUnprocessedPrefetchURLs( |
+ const std::string& name_space) = 0; |
+ |
+ // Called to invalidate a single PrefetchURL entry identified by |client_id|. |
+ // If multiple have the same |client_id|, they will all be removed. |
+ virtual void RemovePrefetchURLsByClientId(const ClientId& client_id) = 0; |
+}; |
+ |
+} // namespace offline_pages |
+ |
+#endif // COMPONENTS_OFFLINE_PAGES_CORE_PREFETCH_PREFETCH_SERVICE_IMPL_H_ |