mirror of
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600 lines
20 KiB
C++
600 lines
20 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsNavHistory_h_
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#define nsNavHistory_h_
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#include "nsINavHistoryService.h"
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#include "nsPIPlacesDatabase.h"
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#include "nsPIPlacesHistoryListenersNotifier.h"
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#include "nsIBrowserHistory.h"
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#include "nsINavBookmarksService.h"
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#include "nsIFaviconService.h"
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#include "nsIObserverService.h"
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#include "nsICollation.h"
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#include "nsIStringBundle.h"
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#include "nsITimer.h"
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#include "nsMaybeWeakPtr.h"
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#include "nsCategoryCache.h"
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#include "nsNetCID.h"
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#include "nsToolkitCompsCID.h"
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#include "nsThreadUtils.h"
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#include "nsURIHashKey.h"
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#include "nsTHashtable.h"
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#include "nsNavHistoryResult.h"
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#include "nsNavHistoryQuery.h"
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#include "Database.h"
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#include "mozilla/Attributes.h"
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#define QUERYUPDATE_TIME 0
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#define QUERYUPDATE_SIMPLE 1
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#define QUERYUPDATE_COMPLEX 2
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#define QUERYUPDATE_COMPLEX_WITH_BOOKMARKS 3
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#define QUERYUPDATE_HOST 4
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// Clamp title and URL to generously large, but not too large, length.
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// See bug 319004 for details.
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#define URI_LENGTH_MAX 65536
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#define TITLE_LENGTH_MAX 4096
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// Microsecond timeout for "recent" events such as typed and bookmark following.
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// If you typed it more than this time ago, it's not recent.
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#define RECENT_EVENT_THRESHOLD PRTime((int64_t)15 * 60 * PR_USEC_PER_SEC)
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#ifdef MOZ_XUL
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// Fired after autocomplete feedback has been updated.
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#define TOPIC_AUTOCOMPLETE_FEEDBACK_UPDATED "places-autocomplete-feedback-updated"
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#endif
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// Fired after frecency has been updated.
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#define TOPIC_FRECENCY_UPDATED "places-frecency-updated"
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class mozIAnnotationService;
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class nsNavHistory;
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class QueryKeyValuePair;
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class nsIEffectiveTLDService;
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class nsIIDNService;
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class PlacesSQLQueryBuilder;
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class nsIAutoCompleteController;
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// nsNavHistory
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class nsNavHistory MOZ_FINAL : public nsSupportsWeakReference
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, public nsINavHistoryService
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, public nsIObserver
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, public nsIBrowserHistory
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, public nsPIPlacesDatabase
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, public nsPIPlacesHistoryListenersNotifier
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, public mozIStorageVacuumParticipant
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{
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friend class PlacesSQLQueryBuilder;
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public:
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nsNavHistory();
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSINAVHISTORYSERVICE
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NS_DECL_NSIBROWSERHISTORY
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NS_DECL_NSIOBSERVER
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NS_DECL_NSPIPLACESDATABASE
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NS_DECL_NSPIPLACESHISTORYLISTENERSNOTIFIER
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NS_DECL_MOZISTORAGEVACUUMPARTICIPANT
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/**
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* Obtains the nsNavHistory object.
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*/
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static already_AddRefed<nsNavHistory> GetSingleton();
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/**
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* Initializes the nsNavHistory object. This should only be called once.
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*/
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nsresult Init();
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/**
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* Used by other components in the places directory such as the annotation
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* service to get a reference to this history object. Returns a pointer to
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* the service if it exists. Otherwise creates one. Returns NULL on error.
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*/
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static nsNavHistory* GetHistoryService()
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{
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if (!gHistoryService) {
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nsCOMPtr<nsINavHistoryService> serv =
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do_GetService(NS_NAVHISTORYSERVICE_CONTRACTID);
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NS_ENSURE_TRUE(serv, nullptr);
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NS_ASSERTION(gHistoryService, "Should have static instance pointer now");
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}
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return gHistoryService;
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}
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/**
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* Used by other components in the places directory to get a reference to a
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* const version of this history object.
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*
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* @return A pointer to a const version of the service if it exists,
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* NULL otherwise.
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*/
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static const nsNavHistory* GetConstHistoryService()
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{
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const nsNavHistory* const history = gHistoryService;
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return history;
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}
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/**
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* Fetches the database id and the GUID associated to the given URI.
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*
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* @param aURI
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* The page to look for.
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* @param _pageId
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* Will be set to the database id associated with the page.
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* If the page doesn't exist, this will be zero.
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* @param _GUID
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* Will be set to the unique id associated with the page.
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* If the page doesn't exist, this will be empty.
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* @note This DOES NOT check for bad URLs other than that they're nonempty.
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*/
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nsresult GetIdForPage(nsIURI* aURI,
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int64_t* _pageId, nsCString& _GUID);
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/**
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* Fetches the database id and the GUID associated to the given URI, creating
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* a new database entry if one doesn't exist yet.
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*
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* @param aURI
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* The page to look for or create.
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* @param _pageId
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* Will be set to the database id associated with the page.
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* @param _GUID
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* Will be set to the unique id associated with the page.
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* @note This DOES NOT check for bad URLs other than that they're nonempty.
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* @note This DOES NOT update frecency of the page.
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*/
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nsresult GetOrCreateIdForPage(nsIURI* aURI,
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int64_t* _pageId, nsCString& _GUID);
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/**
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* Asynchronously recalculates frecency for a given page.
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*
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* @param aPlaceId
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* Place id to recalculate the frecency for.
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* @note If the new frecency is a non-zero value it will also unhide the page,
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* otherwise will reuse the old hidden value.
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*/
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nsresult UpdateFrecency(int64_t aPlaceId);
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/**
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* Recalculates frecency for all pages requesting that (frecency < 0). Those
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* may be generated:
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* * After a "clear private data"
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* * After removing visits
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* * After migrating from older versions
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*/
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nsresult FixInvalidFrecencies();
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/**
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* Invalidate the frecencies of a list of places, so they will be recalculated
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* at the first idle-daily notification.
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*
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* @param aPlacesIdsQueryString
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* Query string containing list of places to be invalidated. If it's
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* an empty string all places will be invalidated.
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*/
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nsresult invalidateFrecencies(const nsCString& aPlaceIdsQueryString);
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/**
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* These functions return non-owning references to the locale-specific
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* objects for places components.
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*/
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nsIStringBundle* GetBundle();
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nsIStringBundle* GetDateFormatBundle();
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nsICollation* GetCollation();
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void GetStringFromName(const PRUnichar* aName, nsACString& aResult);
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void GetAgeInDaysString(int32_t aInt, const PRUnichar *aName,
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nsACString& aResult);
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void GetMonthName(int32_t aIndex, nsACString& aResult);
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void GetMonthYear(int32_t aMonth, int32_t aYear, nsACString& aResult);
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// Returns whether history is enabled or not.
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bool IsHistoryDisabled() {
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return !mHistoryEnabled;
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}
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// Constants for the columns returned by the above statement.
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static const int32_t kGetInfoIndex_PageID;
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static const int32_t kGetInfoIndex_URL;
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static const int32_t kGetInfoIndex_Title;
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static const int32_t kGetInfoIndex_RevHost;
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static const int32_t kGetInfoIndex_VisitCount;
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static const int32_t kGetInfoIndex_VisitDate;
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static const int32_t kGetInfoIndex_FaviconURL;
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static const int32_t kGetInfoIndex_ItemId;
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static const int32_t kGetInfoIndex_ItemDateAdded;
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static const int32_t kGetInfoIndex_ItemLastModified;
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static const int32_t kGetInfoIndex_ItemParentId;
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static const int32_t kGetInfoIndex_ItemTags;
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static const int32_t kGetInfoIndex_Frecency;
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static const int32_t kGetInfoIndex_Hidden;
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int64_t GetTagsFolder();
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// this actually executes a query and gives you results, it is used by
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// nsNavHistoryQueryResultNode
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nsresult GetQueryResults(nsNavHistoryQueryResultNode *aResultNode,
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const nsCOMArray<nsNavHistoryQuery>& aQueries,
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nsNavHistoryQueryOptions *aOptions,
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nsCOMArray<nsNavHistoryResultNode>* aResults);
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// Take a row of kGetInfoIndex_* columns and construct a ResultNode.
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// The row must contain the full set of columns.
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nsresult RowToResult(mozIStorageValueArray* aRow,
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nsNavHistoryQueryOptions* aOptions,
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nsNavHistoryResultNode** aResult);
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nsresult QueryRowToResult(int64_t aItemId, const nsACString& aURI,
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const nsACString& aTitle,
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uint32_t aAccessCount, PRTime aTime,
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const nsACString& aFavicon,
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nsNavHistoryResultNode** aNode);
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nsresult VisitIdToResultNode(int64_t visitId,
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nsNavHistoryQueryOptions* aOptions,
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nsNavHistoryResultNode** aResult);
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nsresult BookmarkIdToResultNode(int64_t aBookmarkId,
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nsNavHistoryQueryOptions* aOptions,
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nsNavHistoryResultNode** aResult);
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nsresult URIToResultNode(nsIURI* aURI,
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nsNavHistoryQueryOptions* aOptions,
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nsNavHistoryResultNode** aResult);
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// used by other places components to send history notifications (for example,
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// when the favicon has changed)
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void SendPageChangedNotification(nsIURI* aURI, uint32_t aChangedAttribute,
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const nsAString& aValue,
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const nsACString& aGUID);
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/**
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* Returns current number of days stored in history.
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*/
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int32_t GetDaysOfHistory();
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// used by query result nodes to update: see comment on body of CanLiveUpdateQuery
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static uint32_t GetUpdateRequirements(const nsCOMArray<nsNavHistoryQuery>& aQueries,
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nsNavHistoryQueryOptions* aOptions,
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bool* aHasSearchTerms);
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bool EvaluateQueryForNode(const nsCOMArray<nsNavHistoryQuery>& aQueries,
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nsNavHistoryQueryOptions* aOptions,
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nsNavHistoryResultNode* aNode);
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static nsresult AsciiHostNameFromHostString(const nsACString& aHostName,
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nsACString& aAscii);
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void DomainNameFromURI(nsIURI* aURI,
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nsACString& aDomainName);
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static PRTime NormalizeTime(uint32_t aRelative, PRTime aOffset);
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// Don't use these directly, inside nsNavHistory use UpdateBatchScoper,
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// else use nsINavHistoryService::RunInBatchMode
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nsresult BeginUpdateBatch();
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nsresult EndUpdateBatch();
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// The level of batches' nesting, 0 when no batches are open.
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int32_t mBatchLevel;
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// Current active transaction for a batch.
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mozStorageTransaction* mBatchDBTransaction;
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// better alternative to QueryStringToQueries (in nsNavHistoryQuery.cpp)
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nsresult QueryStringToQueryArray(const nsACString& aQueryString,
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nsCOMArray<nsNavHistoryQuery>* aQueries,
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nsNavHistoryQueryOptions** aOptions);
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typedef nsDataHashtable<nsCStringHashKey, nsCString> StringHash;
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/**
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* Indicates if it is OK to notify history observers or not.
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*
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* @return true if it is OK to notify, false otherwise.
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*/
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bool canNotify() { return mCanNotify; }
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enum RecentEventFlags {
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RECENT_TYPED = 1 << 0, // User typed in URL recently
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RECENT_ACTIVATED = 1 << 1, // User tapped URL link recently
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RECENT_BOOKMARKED = 1 << 2 // User bookmarked URL recently
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};
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/**
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* Returns any recent activity done with a URL.
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* @return Any recent events associated with this URI. Each bit is set
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* according to RecentEventFlags enum values.
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*/
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uint32_t GetRecentFlags(nsIURI *aURI);
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/**
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* Registers a TRANSITION_EMBED visit for the session.
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*
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* @param aURI
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* URI of the page.
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* @param aTime
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* Visit time. Only the last registered visit time is retained.
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*/
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void registerEmbedVisit(nsIURI* aURI, int64_t aTime);
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/**
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* Returns whether the specified url has a embed visit.
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*
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* @param aURI
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* URI of the page.
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* @return whether the page has a embed visit.
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*/
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bool hasEmbedVisit(nsIURI* aURI);
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/**
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* Clears all registered embed visits.
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*/
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void clearEmbedVisits();
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int32_t GetFrecencyAgedWeight(int32_t aAgeInDays) const
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{
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if (aAgeInDays <= mFirstBucketCutoffInDays) {
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return mFirstBucketWeight;
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}
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if (aAgeInDays <= mSecondBucketCutoffInDays) {
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return mSecondBucketWeight;
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}
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if (aAgeInDays <= mThirdBucketCutoffInDays) {
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return mThirdBucketWeight;
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}
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if (aAgeInDays <= mFourthBucketCutoffInDays) {
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return mFourthBucketWeight;
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}
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return mDefaultWeight;
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}
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int32_t GetFrecencyBucketWeight(int32_t aBucketIndex) const
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{
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switch(aBucketIndex) {
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case 1:
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return mFirstBucketWeight;
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case 2:
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return mSecondBucketWeight;
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case 3:
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return mThirdBucketWeight;
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case 4:
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return mFourthBucketWeight;
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default:
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return mDefaultWeight;
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}
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}
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int32_t GetFrecencyTransitionBonus(int32_t aTransitionType,
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bool aVisited) const
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{
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switch (aTransitionType) {
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case nsINavHistoryService::TRANSITION_EMBED:
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return mEmbedVisitBonus;
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case nsINavHistoryService::TRANSITION_FRAMED_LINK:
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return mFramedLinkVisitBonus;
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case nsINavHistoryService::TRANSITION_LINK:
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return mLinkVisitBonus;
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case nsINavHistoryService::TRANSITION_TYPED:
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return aVisited ? mTypedVisitBonus : mUnvisitedTypedBonus;
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case nsINavHistoryService::TRANSITION_BOOKMARK:
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return aVisited ? mBookmarkVisitBonus : mUnvisitedBookmarkBonus;
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case nsINavHistoryService::TRANSITION_DOWNLOAD:
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return mDownloadVisitBonus;
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case nsINavHistoryService::TRANSITION_REDIRECT_PERMANENT:
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return mPermRedirectVisitBonus;
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case nsINavHistoryService::TRANSITION_REDIRECT_TEMPORARY:
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return mTempRedirectVisitBonus;
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default:
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// 0 == undefined (see bug #375777 for details)
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NS_WARN_IF_FALSE(!aTransitionType, "new transition but no bonus for frecency");
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return mDefaultVisitBonus;
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}
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}
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int32_t GetNumVisitsForFrecency() const
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{
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return mNumVisitsForFrecency;
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}
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/**
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* Fires onVisit event to nsINavHistoryService observers
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*/
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void NotifyOnVisit(nsIURI* aURI,
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int64_t aVisitID,
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PRTime aTime,
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int64_t referringVisitID,
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int32_t aTransitionType,
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const nsACString& aGUID,
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bool aHidden);
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/**
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* Fires onTitleChanged event to nsINavHistoryService observers
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*/
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void NotifyTitleChange(nsIURI* aURI,
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const nsString& title,
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const nsACString& aGUID);
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bool isBatching() {
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return mBatchLevel > 0;
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}
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private:
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~nsNavHistory();
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// used by GetHistoryService
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static nsNavHistory *gHistoryService;
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protected:
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// Database handle.
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nsRefPtr<mozilla::places::Database> mDB;
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/**
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* Decays frecency and inputhistory values. Runs on idle-daily.
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*/
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nsresult DecayFrecency();
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nsresult CalculateFrecency(int64_t aPageID, int32_t aTyped, int32_t aVisitCount, nsAutoCString &aURL, int32_t *aFrecency);
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nsresult CalculateFrecencyInternal(int64_t aPageID, int32_t aTyped, int32_t aVisitCount, bool aIsBookmarked, int32_t *aFrecency);
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nsresult RemovePagesInternal(const nsCString& aPlaceIdsQueryString);
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nsresult CleanupPlacesOnVisitsDelete(const nsCString& aPlaceIdsQueryString);
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/**
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* Loads all of the preferences that we use into member variables.
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*
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* @note If mPrefBranch is NULL, this does nothing.
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*/
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void LoadPrefs();
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/**
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* Calculates and returns value for mCachedNow.
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* This is an hack to avoid calling PR_Now() too often, as is the case when
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* we're asked the ageindays of many history entries in a row. A timer is
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* set which will clear our valid flag after a short timeout.
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*/
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PRTime GetNow();
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PRTime mCachedNow;
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nsCOMPtr<nsITimer> mExpireNowTimer;
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/**
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* Called when the cached now value is expired and needs renewal.
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*/
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static void expireNowTimerCallback(nsITimer* aTimer, void* aClosure);
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nsresult ConstructQueryString(const nsCOMArray<nsNavHistoryQuery>& aQueries,
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nsNavHistoryQueryOptions* aOptions,
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nsCString& queryString,
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bool& aParamsPresent,
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StringHash& aAddParams);
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nsresult QueryToSelectClause(nsNavHistoryQuery* aQuery,
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nsNavHistoryQueryOptions* aOptions,
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int32_t aQueryIndex,
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nsCString* aClause);
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nsresult BindQueryClauseParameters(mozIStorageBaseStatement* statement,
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int32_t aQueryIndex,
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nsNavHistoryQuery* aQuery,
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nsNavHistoryQueryOptions* aOptions);
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nsresult ResultsAsList(mozIStorageStatement* statement,
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nsNavHistoryQueryOptions* aOptions,
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nsCOMArray<nsNavHistoryResultNode>* aResults);
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void TitleForDomain(const nsCString& domain, nsACString& aTitle);
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nsresult FilterResultSet(nsNavHistoryQueryResultNode *aParentNode,
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const nsCOMArray<nsNavHistoryResultNode>& aSet,
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nsCOMArray<nsNavHistoryResultNode>* aFiltered,
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const nsCOMArray<nsNavHistoryQuery>& aQueries,
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nsNavHistoryQueryOptions* aOptions);
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// observers
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nsMaybeWeakPtrArray<nsINavHistoryObserver> mObservers;
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// effective tld service
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nsCOMPtr<nsIEffectiveTLDService> mTLDService;
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nsCOMPtr<nsIIDNService> mIDNService;
|
|
|
|
// localization
|
|
nsCOMPtr<nsIStringBundle> mBundle;
|
|
nsCOMPtr<nsIStringBundle> mDateFormatBundle;
|
|
nsCOMPtr<nsICollation> mCollation;
|
|
|
|
// recent events
|
|
typedef nsDataHashtable<nsCStringHashKey, int64_t> RecentEventHash;
|
|
RecentEventHash mRecentTyped;
|
|
RecentEventHash mRecentLink;
|
|
RecentEventHash mRecentBookmark;
|
|
|
|
// Embed visits tracking.
|
|
class VisitHashKey : public nsURIHashKey
|
|
{
|
|
public:
|
|
VisitHashKey(const nsIURI* aURI)
|
|
: nsURIHashKey(aURI)
|
|
{
|
|
}
|
|
VisitHashKey(const VisitHashKey& aOther)
|
|
: nsURIHashKey(aOther)
|
|
{
|
|
NS_NOTREACHED("Do not call me!");
|
|
}
|
|
PRTime visitTime;
|
|
};
|
|
|
|
nsTHashtable<VisitHashKey> mEmbedVisits;
|
|
|
|
bool CheckIsRecentEvent(RecentEventHash* hashTable,
|
|
const nsACString& url);
|
|
void ExpireNonrecentEvents(RecentEventHash* hashTable);
|
|
|
|
#ifdef MOZ_XUL
|
|
nsresult AutoCompleteFeedback(int32_t aIndex,
|
|
nsIAutoCompleteController *aController);
|
|
#endif
|
|
|
|
// Whether history is enabled or not.
|
|
// Will mimic value of the places.history.enabled preference.
|
|
bool mHistoryEnabled;
|
|
|
|
// Frecency preferences.
|
|
int32_t mNumVisitsForFrecency;
|
|
int32_t mFirstBucketCutoffInDays;
|
|
int32_t mSecondBucketCutoffInDays;
|
|
int32_t mThirdBucketCutoffInDays;
|
|
int32_t mFourthBucketCutoffInDays;
|
|
int32_t mFirstBucketWeight;
|
|
int32_t mSecondBucketWeight;
|
|
int32_t mThirdBucketWeight;
|
|
int32_t mFourthBucketWeight;
|
|
int32_t mDefaultWeight;
|
|
int32_t mEmbedVisitBonus;
|
|
int32_t mFramedLinkVisitBonus;
|
|
int32_t mLinkVisitBonus;
|
|
int32_t mTypedVisitBonus;
|
|
int32_t mBookmarkVisitBonus;
|
|
int32_t mDownloadVisitBonus;
|
|
int32_t mPermRedirectVisitBonus;
|
|
int32_t mTempRedirectVisitBonus;
|
|
int32_t mDefaultVisitBonus;
|
|
int32_t mUnvisitedBookmarkBonus;
|
|
int32_t mUnvisitedTypedBonus;
|
|
|
|
// in nsNavHistoryQuery.cpp
|
|
nsresult TokensToQueries(const nsTArray<QueryKeyValuePair>& aTokens,
|
|
nsCOMArray<nsNavHistoryQuery>* aQueries,
|
|
nsNavHistoryQueryOptions* aOptions);
|
|
|
|
int64_t mTagsFolder;
|
|
|
|
int32_t mDaysOfHistory;
|
|
int64_t mLastCachedStartOfDay;
|
|
int64_t mLastCachedEndOfDay;
|
|
|
|
// Used to enable and disable the observer notifications
|
|
bool mCanNotify;
|
|
nsCategoryCache<nsINavHistoryObserver> mCacheObservers;
|
|
};
|
|
|
|
|
|
#define PLACES_URI_PREFIX "place:"
|
|
|
|
/* Returns true if the given URI represents a history query. */
|
|
inline bool IsQueryURI(const nsCString &uri)
|
|
{
|
|
return StringBeginsWith(uri, NS_LITERAL_CSTRING(PLACES_URI_PREFIX));
|
|
}
|
|
|
|
/* Extracts the query string from a query URI. */
|
|
inline const nsDependentCSubstring QueryURIToQuery(const nsCString &uri)
|
|
{
|
|
NS_ASSERTION(IsQueryURI(uri), "should only be called for query URIs");
|
|
return Substring(uri, NS_LITERAL_CSTRING(PLACES_URI_PREFIX).Length());
|
|
}
|
|
|
|
#endif // nsNavHistory_h_
|