15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef CHROME_BROWSER_UI_WEBUI_NTP_SUGGESTIONS_SOURCE_TOP_SITES_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define CHROME_BROWSER_UI_WEBUI_NTP_SUGGESTIONS_SOURCE_TOP_SITES_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <deque> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 11116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch#include "base/task/cancelable_task_tracker.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/history/visit_filter.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/ui/webui/ntp/suggestions_source.h" 141320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci#include "components/history/core/browser/history_types.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class SuggestionsCombiner; 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class Profile; 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace base { 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class DictionaryValue; 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// A SuggestionsSource that uses the local TopSites database to provide 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// suggestions. 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class SuggestionsSourceTopSites : public SuggestionsSource { 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SuggestionsSourceTopSites(); 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~SuggestionsSourceTopSites(); 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protected: 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // SuggestionsSource overrides: 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void SetDebug(bool enable) OVERRIDE; 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual int GetWeight() OVERRIDE; 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual int GetItemCount() OVERRIDE; 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual base::DictionaryValue* PopItem() OVERRIDE; 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void FetchItems(Profile* profile) OVERRIDE; 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void SetCombiner(SuggestionsCombiner* combiner) OVERRIDE; 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 39116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch void OnSuggestionsUrlsAvailable(const history::FilteredURLList* data); 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Gets the sorting order from the command-line arguments. Defaults to 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // |ORDER_BY_RECENCY| if there are no command-line argument specifying a 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // sorting order. 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static history::VisitFilter::SortingOrder GetSortingOrder(); 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Gets the filter width from the command-line arguments. Defaults to one 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // hour if there are no command-line argument setting the filter width. 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static base::TimeDelta GetFilterWidth(); 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Our combiner. 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SuggestionsCombiner* combiner_; 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Keep the results of the db query here. 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::deque<base::DictionaryValue*> items_; 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Whether the source should provide additional debug information or not. 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool debug_; 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 61116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch base::CancelableTaskTracker history_tracker_; 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(SuggestionsSourceTopSites); 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // CHROME_BROWSER_UI_WEBUI_NTP_SUGGESTIONS_SOURCE_TOP_SITES_H_ 67