| // 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_SEARCH_INSTANT_SERVICE_H_ |
| #define CHROME_BROWSER_SEARCH_INSTANT_SERVICE_H_ |
| |
| #include <set> |
| #include <vector> |
| |
| #include "base/gtest_prod_util.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/observer_list.h" |
| #include "components/history/core/browser/history_types.h" |
| #include "components/history/core/browser/top_sites_observer.h" |
| #include "components/keyed_service/core/keyed_service.h" |
| #include "components/search_engines/template_url_service_observer.h" |
| #include "components/suggestions/proto/suggestions.pb.h" |
| #include "components/suggestions/suggestions_service.h" |
| #include "content/public/browser/notification_observer.h" |
| #include "content/public/browser/notification_registrar.h" |
| #include "url/gurl.h" |
| |
| class InstantIOContext; |
| struct InstantMostVisitedItem; |
| class InstantSearchPrerenderer; |
| class InstantServiceObserver; |
| class Profile; |
| struct TemplateURLData; |
| class TemplateURLService; |
| struct ThemeBackgroundInfo; |
| class ThemeService; |
| |
| namespace content { |
| class RenderProcessHost; |
| } |
| |
| // Tracks render process host IDs that are associated with Instant. |
| class InstantService : public KeyedService, |
| public content::NotificationObserver, |
| public TemplateURLServiceObserver, |
| public history::TopSitesObserver { |
| public: |
| explicit InstantService(Profile* profile); |
| ~InstantService() override; |
| |
| // Add, remove, and query RenderProcessHost IDs that are associated with |
| // Instant processes. |
| void AddInstantProcess(int process_id); |
| bool IsInstantProcess(int process_id) const; |
| |
| // Adds/Removes InstantService observers. |
| void AddObserver(InstantServiceObserver* observer); |
| void RemoveObserver(InstantServiceObserver* observer); |
| |
| #if defined(UNIT_TEST) |
| int GetInstantProcessCount() const { |
| return process_ids_.size(); |
| } |
| #endif |
| |
| // Most visited item API. |
| |
| // Invoked by the InstantController when the Instant page wants to delete a |
| // Most Visited item. |
| void DeleteMostVisitedItem(const GURL& url); |
| |
| // Invoked by the InstantController when the Instant page wants to undo the |
| // blacklist action. |
| void UndoMostVisitedDeletion(const GURL& url); |
| |
| // Invoked by the InstantController when the Instant page wants to undo all |
| // Most Visited deletions. |
| void UndoAllMostVisitedDeletions(); |
| |
| // Invoked by the InstantController to update theme information for NTP. |
| // |
| // TODO(kmadhusu): Invoking this from InstantController shouldn't be |
| // necessary. Investigate more and remove this from here. |
| void UpdateThemeInfo(); |
| |
| // Invoked by the InstantController to update most visited items details for |
| // NTP. |
| void UpdateMostVisitedItemsInfo(); |
| |
| // Sends the current set of search URLs to a renderer process. |
| void SendSearchURLsToRenderer(content::RenderProcessHost* rph); |
| |
| // Invoked to notify the Instant page that the omnibox start margin has |
| // changed. |
| void OnOmniboxStartMarginChanged(int start_margin); |
| |
| InstantSearchPrerenderer* instant_search_prerenderer() { |
| return instant_prerenderer_.get(); |
| } |
| |
| int omnibox_start_margin() const { return omnibox_start_margin_; } |
| |
| private: |
| friend class InstantExtendedTest; |
| friend class InstantServiceTest; |
| friend class InstantTestBase; |
| friend class InstantUnitTestBase; |
| |
| FRIEND_TEST_ALL_PREFIXES(InstantExtendedManualTest, |
| MANUAL_SearchesFromFakebox); |
| FRIEND_TEST_ALL_PREFIXES(InstantExtendedTest, ProcessIsolation); |
| FRIEND_TEST_ALL_PREFIXES(InstantServiceEnabledTest, |
| SendsSearchURLsToRenderer); |
| |
| // KeyedService: |
| void Shutdown() override; |
| |
| // content::NotificationObserver: |
| void Observe(int type, |
| const content::NotificationSource& source, |
| const content::NotificationDetails& details) override; |
| |
| // TemplateURLServiceObserver: |
| // Caches the previous value of the Default Search Provider and the Google |
| // base URL to filter out changes other than those affecting the Default |
| // Search Provider. |
| void OnTemplateURLServiceChanged() override; |
| |
| // TopSitesObserver: |
| void TopSitesLoaded(history::TopSites* top_sites) override; |
| void TopSitesChanged(history::TopSites* top_sites, |
| ChangeReason change_reason) override; |
| |
| // Called when a renderer process is terminated. |
| void OnRendererProcessTerminated(int process_id); |
| |
| // Called when SuggestionsService has a new suggestions profile available. |
| void OnSuggestionsAvailable(const suggestions::SuggestionsProfile& profile); |
| |
| // Called when we get new most visited items from TopSites, registered as an |
| // async callback. Parses them and sends them to the renderer via |
| // SendMostVisitedItems. |
| void OnMostVisitedItemsReceived(const history::MostVisitedURLList& data); |
| |
| // Notifies the observer about the last known most visited items. |
| void NotifyAboutMostVisitedItems(); |
| |
| #if defined(ENABLE_THEMES) |
| // Theme changed notification handler. |
| void OnThemeChanged(ThemeService* theme_service); |
| #endif |
| |
| void ResetInstantSearchPrerenderer(); |
| |
| Profile* const profile_; |
| |
| // The TemplateURLService that we are observing. It will outlive this |
| // InstantService due to the dependency declared in InstantServiceFactory. |
| TemplateURLService* template_url_service_; |
| |
| // The process ids associated with Instant processes. |
| std::set<int> process_ids_; |
| |
| // InstantMostVisitedItems from TopSites. |
| std::vector<InstantMostVisitedItem> most_visited_items_; |
| |
| // InstantMostVisitedItems from SuggestionService. |
| std::vector<InstantMostVisitedItem> suggestions_items_; |
| |
| // Theme-related data for NTP overlay to adopt themes. |
| scoped_ptr<ThemeBackgroundInfo> theme_info_; |
| |
| // The start-edge margin of the omnibox, used by the Instant page to align |
| // text or assets properly with the omnibox. |
| int omnibox_start_margin_; |
| |
| base::ObserverList<InstantServiceObserver> observers_; |
| |
| content::NotificationRegistrar registrar_; |
| |
| scoped_refptr<InstantIOContext> instant_io_context_; |
| |
| // Set to NULL if the default search provider does not support Instant. |
| scoped_ptr<InstantSearchPrerenderer> instant_prerenderer_; |
| |
| // Used to check whether notifications from TemplateURLService indicate a |
| // change that affects the default search provider. |
| scoped_ptr<TemplateURLData> previous_default_search_provider_; |
| GURL previous_google_base_url_; |
| |
| // Suggestions Service to fetch server suggestions. |
| suggestions::SuggestionsService* suggestions_service_; |
| |
| // Used for Top Sites async retrieval. |
| base::WeakPtrFactory<InstantService> weak_ptr_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(InstantService); |
| }; |
| |
| #endif // CHROME_BROWSER_SEARCH_INSTANT_SERVICE_H_ |