Index: chrome/browser/ui/app_list/search/common/webservice_search_provider.h |
diff --git a/chrome/browser/ui/app_list/search/common/webservice_search_provider.h b/chrome/browser/ui/app_list/search/common/webservice_search_provider.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..05bfd6751ad1806f1b9a1dd3e24a3a702511064a |
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+++ b/chrome/browser/ui/app_list/search/common/webservice_search_provider.h |
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+// Copyright 2013 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_UI_APP_LIST_SEARCH_COMMON_WEBSERVICE_SEARCH_PROVIDER_H_ |
+#define CHROME_BROWSER_UI_APP_LIST_SEARCH_COMMON_WEBSERVICE_SEARCH_PROVIDER_H_ |
+ |
+#include "base/callback_forward.h" |
+#include "base/strings/string16.h" |
+#include "base/time/time.h" |
+#include "base/timer/timer.h" |
+#include "chrome/browser/ui/app_list/search/search_provider.h" |
+ |
+class Profile; |
+ |
+namespace app_list { |
+ |
+// Helper class for webservice based searches. |
+class WebserviceSearchProvider : public SearchProvider { |
+ public: |
+ explicit WebserviceSearchProvider(Profile* profile); |
+ virtual ~WebserviceSearchProvider(); |
+ |
+ // Validate the query for privacy and size. |
+ bool IsValidQuery(const string16& query); |
+ |
+ // Start a query with throttling enabled. |
+ void StartThrottledQuery(const base::Closure& start_query); |
+ |
+ void set_use_throttling(bool use) { use_throttling_ = use; } |
+ |
+ protected: |
+ Profile* profile_; |
+ |
+ private: |
+ bool IsSensitiveInput(const string16& query); |
+ |
+ // The timestamp when the last key event happened. |
+ base::Time last_keytyped_; |
+ |
+ // The timer to throttle QPS. |
+ base::OneShotTimer<WebserviceSearchProvider> query_throttler_; |
+ |
+ // The flag for tests. It prevents the throttling If set to false. |
+ bool use_throttling_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(WebserviceSearchProvider); |
+}; |
+ |
+} // namespace app_list |
+ |
+#endif // CHROME_BROWSER_UI_APP_LIST_SEARCH_COMMON_WEBSERVICE_SEARCH_PROVIDER_H_ |