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gecko/toolkit/components/places/nsNavHistory.h
Philipp von Weitershausen 396ff23f45 Bug 633266 - nsINavHistoryObserver: also pass in GUID whenever we pass in a URI. r=mak 
Part 3: Implementation
2011-06-08 17:10:29 +02:00

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Places code.
*
* The Initial Developer of the Original Code is
* Google Inc.
* Portions created by the Initial Developer are Copyright (C) 2005
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Brett Wilson <brettw@gmail.com> (original author)
* Edward Lee <edward.lee@engineering.uiuc.edu>
* Ehsan Akhgari <ehsan.akhgari@gmail.com>
* Marco Bonardo <mak77@bonardo.net>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsNavHistory_h_
#define nsNavHistory_h_
#include "nsINavHistoryService.h"
#include "nsPIPlacesDatabase.h"
#include "nsPIPlacesHistoryListenersNotifier.h"
#include "nsIBrowserHistory.h"
#include "nsIGlobalHistory.h"
#include "nsIGlobalHistory3.h"
#include "nsIDownloadHistory.h"
#include "nsIPrefService.h"
#include "nsIPrefBranch2.h"
#include "nsIObserverService.h"
#include "nsICollation.h"
#include "nsIStringBundle.h"
#include "nsITimer.h"
#include "nsMaybeWeakPtr.h"
#include "nsCategoryCache.h"
#include "nsICharsetResolver.h"
#include "nsNetCID.h"
#include "nsToolkitCompsCID.h"
#include "nsThreadUtils.h"
#include "nsURIHashKey.h"
#include "nsTHashtable.h"
#include "nsINavBookmarksService.h"
#include "nsIPrivateBrowsingService.h"
#include "nsIFaviconService.h"
#include "nsNavHistoryResult.h"
#include "nsNavHistoryQuery.h"
#include "mozilla/storage.h"
#include "mozilla/storage/StatementCache.h"
#define QUERYUPDATE_TIME 0
#define QUERYUPDATE_SIMPLE 1
#define QUERYUPDATE_COMPLEX 2
#define QUERYUPDATE_COMPLEX_WITH_BOOKMARKS 3
#define QUERYUPDATE_HOST 4
// This magic number specified an uninitialized value for the
// mInPrivateBrowsing member
#define PRIVATEBROWSING_NOTINITED (PRBool(0xffffffff))
// Clamp title and URL to generously large, but not too large, length.
// See bug 319004 for details.
#define URI_LENGTH_MAX 65536
#define TITLE_LENGTH_MAX 4096
// Microsecond timeout for "recent" events such as typed and bookmark following.
// If you typed it more than this time ago, it's not recent.
#define RECENT_EVENT_THRESHOLD PRTime((PRInt64)15 * 60 * PR_USEC_PER_SEC)
#ifdef MOZ_XUL
// Fired after autocomplete feedback has been updated.
#define TOPIC_AUTOCOMPLETE_FEEDBACK_UPDATED "places-autocomplete-feedback-updated"
#endif
// Fired after frecency has been updated.
#define TOPIC_FRECENCY_UPDATED "places-frecency-updated"
// Fired after frecency has been updated.
#define TOPIC_FRECENCY_UPDATED "places-frecency-updated"
// Fired when Places is shutting down. Any code should stop accessing Places
// APIs after this notification. If you need to listen for Places shutdown
// you should only use this notification, next ones are intended only for
// internal Places use.
#define TOPIC_PLACES_SHUTDOWN "places-shutdown"
// For Internal use only. Fired when connection is about to be closed, only
// cleanup tasks should run at this stage, nothing should be added to the
// database, nor APIs should be called.
#define TOPIC_PLACES_WILL_CLOSE_CONNECTION "places-will-close-connection"
// For Internal use only. Fired as the last notification before the connection
// is gone.
#define TOPIC_PLACES_CONNECTION_CLOSING "places-connection-closing"
// Fired when the connection has gone, nothing will work from now on.
#define TOPIC_PLACES_CONNECTION_CLOSED "places-connection-closed"
// Fired when Places found a locked database while initing.
#define TOPIC_DATABASE_LOCKED "places-database-locked"
// Fired after Places inited.
#define TOPIC_PLACES_INIT_COMPLETE "places-init-complete"
namespace mozilla {
namespace places {
enum HistoryStatementId {
DB_GET_PAGE_INFO_BY_URL = 0
, DB_GET_TAGS
, DB_IS_PAGE_VISITED
, DB_INSERT_VISIT
, DB_RECENT_VISIT_OF_URL
, DB_GET_PAGE_VISIT_STATS
, DB_UPDATE_PAGE_VISIT_STATS
, DB_ADD_NEW_PAGE
, DB_GET_URL_PAGE_INFO
, DB_SET_PLACE_TITLE
};
enum JournalMode {
// Default SQLite journal mode.
JOURNAL_DELETE = 0
// Can reduce fsyncs on Linux when journal is deleted (See bug 460315).
// We fallback to this mode when WAL is unavailable.
, JOURNAL_TRUNCATE
// Unsafe in case of crashes on database swap or low memory.
, JOURNAL_MEMORY
// Can reduce number of fsyncs. We try to use this mode by default.
, JOURNAL_WAL
};
} // namespace places
} // namespace mozilla
class mozIAnnotationService;
class nsNavHistory;
class nsNavBookmarks;
class QueryKeyValuePair;
class nsIEffectiveTLDService;
class nsIIDNService;
class PlacesSQLQueryBuilder;
class nsIAutoCompleteController;
// nsNavHistory
class nsNavHistory : public nsSupportsWeakReference
, public nsINavHistoryService
, public nsIObserver
, public nsIBrowserHistory
, public nsIGlobalHistory3
, public nsIDownloadHistory
, public nsICharsetResolver
, public nsPIPlacesDatabase
, public nsPIPlacesHistoryListenersNotifier
, public mozIStorageVacuumParticipant
{
friend class PlacesSQLQueryBuilder;
public:
nsNavHistory();
NS_DECL_ISUPPORTS
NS_DECL_NSINAVHISTORYSERVICE
NS_DECL_NSIGLOBALHISTORY2
NS_DECL_NSIGLOBALHISTORY3
NS_DECL_NSIDOWNLOADHISTORY
NS_DECL_NSIBROWSERHISTORY
NS_DECL_NSIOBSERVER
NS_DECL_NSPIPLACESDATABASE
NS_DECL_NSPIPLACESHISTORYLISTENERSNOTIFIER
NS_DECL_MOZISTORAGEVACUUMPARTICIPANT
/**
* Obtains the nsNavHistory object.
*/
static nsNavHistory *GetSingleton();
/**
* Initializes the nsNavHistory object. This should only be called once.
*/
nsresult Init();
/**
* Used by other components in the places directory such as the annotation
* service to get a reference to this history object. Returns a pointer to
* the service if it exists. Otherwise creates one. Returns NULL on error.
*/
static nsNavHistory *GetHistoryService()
{
if (!gHistoryService) {
nsCOMPtr<nsINavHistoryService> serv =
do_GetService(NS_NAVHISTORYSERVICE_CONTRACTID);
NS_ENSURE_TRUE(serv, nsnull);
NS_ASSERTION(gHistoryService, "Should have static instance pointer now");
}
return gHistoryService;
}
/**
* Used by other components in the places directory to get a reference to a
* const version of this history object.
*
* @return A pointer to a const version of the service if it exists,
* NULL otherwise.
*/
static const nsNavHistory* GetConstHistoryService()
{
const nsNavHistory* const history = gHistoryService;
return history;
}
/**
* Returns the database ID for the given URI, or 0 if not found and autoCreate
* is false.
*/
nsresult GetUrlIdFor(nsIURI* aURI, PRInt64* aEntryID,
PRBool aAutoCreate);
nsresult UpdateFrecency(PRInt64 aPlaceId);
/**
* Calculate frecencies for places that don't have a valid value yet
*/
nsresult FixInvalidFrecencies();
/**
* Set the frecencies of excluded places so they don't show up in queries
*/
nsresult FixInvalidFrecenciesForExcludedPlaces();
/**
* Returns a pointer to the storage connection used by history. This
* connection object is also used by the annotation service and bookmarks, so
* that things can be grouped into transactions across these components.
*
* NOT ADDREFed.
*
* This connection can only be used in the thread that created it the
* history service!
*/
mozIStorageConnection* GetStorageConnection()
{
return mDBConn;
}
/**
* These functions return non-owning references to the locale-specific
* objects for places components.
*/
nsIStringBundle* GetBundle();
nsIStringBundle* GetDateFormatBundle();
nsICollation* GetCollation();
void GetStringFromName(const PRUnichar* aName, nsACString& aResult);
void GetAgeInDaysString(PRInt32 aInt, const PRUnichar *aName,
nsACString& aResult);
void GetMonthName(PRInt32 aIndex, nsACString& aResult);
void GetMonthYear(PRInt32 aMonth, PRInt32 aYear, nsACString& aResult);
// Returns whether history is enabled or not.
PRBool IsHistoryDisabled() {
return !mHistoryEnabled || InPrivateBrowsingMode();
}
// Constants for the columns returned by the above statement.
static const PRInt32 kGetInfoIndex_PageID;
static const PRInt32 kGetInfoIndex_URL;
static const PRInt32 kGetInfoIndex_Title;
static const PRInt32 kGetInfoIndex_RevHost;
static const PRInt32 kGetInfoIndex_VisitCount;
static const PRInt32 kGetInfoIndex_VisitDate;
static const PRInt32 kGetInfoIndex_FaviconURL;
static const PRInt32 kGetInfoIndex_SessionId;
static const PRInt32 kGetInfoIndex_ItemId;
static const PRInt32 kGetInfoIndex_ItemDateAdded;
static const PRInt32 kGetInfoIndex_ItemLastModified;
static const PRInt32 kGetInfoIndex_ItemParentId;
static const PRInt32 kGetInfoIndex_ItemTags;
static const PRInt32 kGetInfoIndex_Frecency;
PRInt64 GetTagsFolder();
// this actually executes a query and gives you results, it is used by
// nsNavHistoryQueryResultNode
nsresult GetQueryResults(nsNavHistoryQueryResultNode *aResultNode,
const nsCOMArray<nsNavHistoryQuery>& aQueries,
nsNavHistoryQueryOptions *aOptions,
nsCOMArray<nsNavHistoryResultNode>* aResults);
// Take a row of kGetInfoIndex_* columns and construct a ResultNode.
// The row must contain the full set of columns.
nsresult RowToResult(mozIStorageValueArray* aRow,
nsNavHistoryQueryOptions* aOptions,
nsNavHistoryResultNode** aResult);
nsresult QueryRowToResult(PRInt64 aItemId, const nsACString& aURI,
const nsACString& aTitle,
PRUint32 aAccessCount, PRTime aTime,
const nsACString& aFavicon,
nsNavHistoryResultNode** aNode);
nsresult VisitIdToResultNode(PRInt64 visitId,
nsNavHistoryQueryOptions* aOptions,
nsNavHistoryResultNode** aResult);
nsresult BookmarkIdToResultNode(PRInt64 aBookmarkId,
nsNavHistoryQueryOptions* aOptions,
nsNavHistoryResultNode** aResult);
nsresult URIToResultNode(nsIURI* aURI,
nsNavHistoryQueryOptions* aOptions,
nsNavHistoryResultNode** aResult);
// used by other places components to send history notifications (for example,
// when the favicon has changed)
void SendPageChangedNotification(nsIURI* aURI, PRUint32 aWhat,
const nsAString& aValue);
/**
* Returns current number of days stored in history.
*/
PRInt32 GetDaysOfHistory();
// used by query result nodes to update: see comment on body of CanLiveUpdateQuery
static PRUint32 GetUpdateRequirements(const nsCOMArray<nsNavHistoryQuery>& aQueries,
nsNavHistoryQueryOptions* aOptions,
PRBool* aHasSearchTerms);
PRBool EvaluateQueryForNode(const nsCOMArray<nsNavHistoryQuery>& aQueries,
nsNavHistoryQueryOptions* aOptions,
nsNavHistoryResultNode* aNode);
static nsresult AsciiHostNameFromHostString(const nsACString& aHostName,
nsACString& aAscii);
void DomainNameFromURI(nsIURI* aURI,
nsACString& aDomainName);
static PRTime NormalizeTime(PRUint32 aRelative, PRTime aOffset);
// Don't use these directly, inside nsNavHistory use UpdateBatchScoper,
// else use nsINavHistoryService::RunInBatchMode
nsresult BeginUpdateBatch();
nsresult EndUpdateBatch();
// The level of batches' nesting, 0 when no batches are open.
PRInt32 mBatchLevel;
// Current active transaction for a batch.
mozStorageTransaction* mBatchDBTransaction;
// better alternative to QueryStringToQueries (in nsNavHistoryQuery.cpp)
nsresult QueryStringToQueryArray(const nsACString& aQueryString,
nsCOMArray<nsNavHistoryQuery>* aQueries,
nsNavHistoryQueryOptions** aOptions);
// Import-friendly version of AddVisit.
// This method adds a page to history along with a single last visit.
// aLastVisitDate can be -1 if there is no last visit date to record.
//
// This is only for use by the import of history.dat on first-run of Places,
// which currently occurs if no places.sqlite file previously exists.
nsresult AddPageWithVisits(nsIURI *aURI,
const nsString &aTitle,
PRInt32 aVisitCount,
PRInt32 aTransitionType,
PRTime aFirstVisitDate,
PRTime aLastVisitDate);
// sets the schema version in the database to match SCHEMA_VERSION
nsresult UpdateSchemaVersion();
// Returns true if we are currently in private browsing mode
PRBool InPrivateBrowsingMode()
{
if (mInPrivateBrowsing == PRIVATEBROWSING_NOTINITED) {
mInPrivateBrowsing = PR_FALSE;
nsCOMPtr<nsIPrivateBrowsingService> pbs =
do_GetService(NS_PRIVATE_BROWSING_SERVICE_CONTRACTID);
if (pbs) {
pbs->GetPrivateBrowsingEnabled(&mInPrivateBrowsing);
}
}
return mInPrivateBrowsing;
}
typedef nsDataHashtable<nsCStringHashKey, nsCString> StringHash;
/**
* Helper method to finalize a statement
*/
static nsresult
FinalizeStatement(mozIStorageStatement *aStatement) {
nsresult rv;
if (aStatement) {
rv = aStatement->Finalize();
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}
/**
* Indicates if it is OK to notify history observers or not.
*
* @return true if it is OK to notify, false otherwise.
*/
bool canNotify() { return mCanNotify; }
enum RecentEventFlags {
RECENT_TYPED = 1 << 0, // User typed in URL recently
RECENT_ACTIVATED = 1 << 1, // User tapped URL link recently
RECENT_BOOKMARKED = 1 << 2 // User bookmarked URL recently
};
/**
* Returns any recent activity done with a URL.
* @return Any recent events associated with this URI. Each bit is set
* according to RecentEventFlags enum values.
*/
PRUint32 GetRecentFlags(nsIURI *aURI);
/**
* Registers a TRANSITION_EMBED visit for the session.
*
* @param aURI
* URI of the page.
* @param aTime
* Visit time. Only the last registered visit time is retained.
*/
void registerEmbedVisit(nsIURI* aURI, PRInt64 aTime);
/**
* Returns whether the specified url has a embed visit.
*
* @param aURI
* URI of the page.
* @return whether the page has a embed visit.
*/
bool hasEmbedVisit(nsIURI* aURI);
/**
* Clears all registered embed visits.
*/
void clearEmbedVisits();
mozIStorageStatement* GetStatementById(
enum mozilla::places::HistoryStatementId aStatementId
)
{
using namespace mozilla::places;
NS_ASSERTION(NS_IsMainThread(), "Can only get statement on main thread");
switch(aStatementId) {
case DB_GET_PAGE_INFO_BY_URL:
return GetStatement(mDBGetURLPageInfo);
case DB_GET_TAGS:
return GetStatement(mDBGetTags);
case DB_IS_PAGE_VISITED:
return GetStatement(mDBIsPageVisited);
case DB_INSERT_VISIT:
return GetStatement(mDBInsertVisit);
case DB_RECENT_VISIT_OF_URL:
return GetStatement(mDBRecentVisitOfURL);
case DB_GET_PAGE_VISIT_STATS:
return GetStatement(mDBGetPageVisitStats);
case DB_UPDATE_PAGE_VISIT_STATS:
return GetStatement(mDBUpdatePageVisitStats);
case DB_ADD_NEW_PAGE:
return GetStatement(mDBAddNewPage);
case DB_GET_URL_PAGE_INFO:
return GetStatement(mDBGetURLPageInfo);
case DB_SET_PLACE_TITLE:
return GetStatement(mDBSetPlaceTitle);
}
return nsnull;
}
/**
* This cache should be used only for background thread statements.
*
* @pre must be running on the background thread of mDBConn.
*/
mutable mozilla::storage::StatementCache<mozIStorageStatement> mAsyncThreadStatements;
mutable mozilla::storage::StatementCache<mozIStorageStatement> mStatements;
template<int N>
already_AddRefed<mozIStorageStatement>
GetStatementByStoragePool(const char (&aQuery)[N]) const
{
nsDependentCString query(aQuery, N - 1);
return GetStatementByStoragePool(query);
}
already_AddRefed<mozIStorageStatement>
GetStatementByStoragePool(const nsACString& aQuery) const
{
return NS_IsMainThread()
? mStatements.GetCachedStatement(aQuery)
: mAsyncThreadStatements.GetCachedStatement(aQuery);
}
PRInt32 GetFrecencyAgedWeight(PRInt32 aAgeInDays) const
{
if (aAgeInDays <= mFirstBucketCutoffInDays) {
return mFirstBucketWeight;
}
if (aAgeInDays <= mSecondBucketCutoffInDays) {
return mSecondBucketWeight;
}
if (aAgeInDays <= mThirdBucketCutoffInDays) {
return mThirdBucketWeight;
}
if (aAgeInDays <= mFourthBucketCutoffInDays) {
return mFourthBucketWeight;
}
return mDefaultWeight;
}
PRInt32 GetFrecencyBucketWeight(PRInt32 aBucketIndex) const
{
switch(aBucketIndex) {
case 1:
return mFirstBucketWeight;
case 2:
return mSecondBucketWeight;
case 3:
return mThirdBucketWeight;
case 4:
return mFourthBucketWeight;
default:
return mDefaultWeight;
}
}
PRInt32 GetFrecencyTransitionBonus(PRInt32 aTransitionType,
bool aVisited) const
{
switch (aTransitionType) {
case nsINavHistoryService::TRANSITION_EMBED:
return mEmbedVisitBonus;
case nsINavHistoryService::TRANSITION_FRAMED_LINK:
return mFramedLinkVisitBonus;
case nsINavHistoryService::TRANSITION_LINK:
return mLinkVisitBonus;
case nsINavHistoryService::TRANSITION_TYPED:
return aVisited ? mTypedVisitBonus : mUnvisitedTypedBonus;
case nsINavHistoryService::TRANSITION_BOOKMARK:
return aVisited ? mBookmarkVisitBonus : mUnvisitedBookmarkBonus;
case nsINavHistoryService::TRANSITION_DOWNLOAD:
return mDownloadVisitBonus;
case nsINavHistoryService::TRANSITION_REDIRECT_PERMANENT:
return mPermRedirectVisitBonus;
case nsINavHistoryService::TRANSITION_REDIRECT_TEMPORARY:
return mTempRedirectVisitBonus;
default:
// 0 == undefined (see bug #375777 for details)
NS_WARN_IF_FALSE(!aTransitionType, "new transition but no bonus for frecency");
return mDefaultVisitBonus;
}
}
PRInt32 GetNumVisitsForFrecency() const
{
return mNumVisitsForFrecency;
}
PRInt64 GetNewSessionID();
/**
* Fires onVisit event to nsINavHistoryService observers
*/
void NotifyOnVisit(nsIURI* aURI,
PRInt64 aVisitID,
PRTime aTime,
PRInt64 aSessionID,
PRInt64 referringVisitID,
PRInt32 aTransitionType,
const nsACString& aGUID);
/**
* Fires onTitleChanged event to nsINavHistoryService observers
*/
void NotifyTitleChange(nsIURI* aURI,
const nsString& title);
bool isBatching() {
return mBatchLevel > 0;
}
private:
~nsNavHistory();
// used by GetHistoryService
static nsNavHistory *gHistoryService;
protected:
nsCOMPtr<nsIPrefBranch2> mPrefBranch; // MAY BE NULL when we are shutting down
nsDataHashtable<nsStringHashKey, int> gExpandedItems;
//
// Database stuff
//
nsCOMPtr<mozIStorageService> mDBService;
nsCOMPtr<mozIStorageConnection> mDBConn;
nsCOMPtr<nsIFile> mDBFile;
PRInt32 mDBPageSize;
/**
* Always use this getter and never use directly the statement nsCOMPtr.
*/
mozIStorageStatement* GetStatement(const nsCOMPtr<mozIStorageStatement>& aStmt);
// These are mutable because GetStatementById needs to be const, but these are
// lazy inited.
nsCOMPtr<mozIStorageStatement> mDBGetURLPageInfo; // kGetInfoIndex_* results
nsCOMPtr<mozIStorageStatement> mDBGetIdPageInfo; // kGetInfoIndex_* results
nsCOMPtr<mozIStorageStatement> mDBRecentVisitOfURL; // converts URL into most recent visit ID/session ID
nsCOMPtr<mozIStorageStatement> mDBRecentVisitOfPlace; // converts placeID into most recent visit ID/session ID
nsCOMPtr<mozIStorageStatement> mDBInsertVisit; // used by AddVisit
nsCOMPtr<mozIStorageStatement> mDBGetPageVisitStats; // used by AddVisit
nsCOMPtr<mozIStorageStatement> mDBIsPageVisited; // used by IsURIStringVisited
nsCOMPtr<mozIStorageStatement> mDBUpdatePageVisitStats; // used by AddVisit
nsCOMPtr<mozIStorageStatement> mDBAddNewPage; // used by InternalAddNewPage
nsCOMPtr<mozIStorageStatement> mDBGetTags; // used by GetTags
nsCOMPtr<mozIStorageStatement> mDBGetItemsWithAnno; // used by AutoComplete::StartSearch and FilterResultSet
nsCOMPtr<mozIStorageStatement> mDBSetPlaceTitle; // used by SetPageTitleInternal
nsCOMPtr<mozIStorageStatement> mDBVisitToURLResult; // kGetInfoIndex_* results
nsCOMPtr<mozIStorageStatement> mDBVisitToVisitResult; // kGetInfoIndex_* results
nsCOMPtr<mozIStorageStatement> mDBBookmarkToUrlResult; // kGetInfoIndex_* results
nsCOMPtr<mozIStorageStatement> mDBUrlToUrlResult; // kGetInfoIndex_* results
nsCOMPtr<mozIStorageStatement> mDBUpdateFrecency;
nsCOMPtr<mozIStorageStatement> mDBUpdateHiddenOnFrecency;
#ifdef MOZ_XUL
// AutoComplete stuff
nsCOMPtr<mozIStorageStatement> mDBFeedbackIncrease;
#endif
/**
* Finalize all internal statements.
*/
nsresult FinalizeStatements();
/**
* Decays frecency and inputhistory values. Runs on idle-daily.
*/
nsresult DecayFrecency();
/**
* Finalizes all Places internal statements, allowing to safely close the
* database connection.
*/
nsresult FinalizeInternalStatements();
// nsICharsetResolver
NS_DECL_NSICHARSETRESOLVER
nsresult CalculateFrecency(PRInt64 aPageID, PRInt32 aTyped, PRInt32 aVisitCount, nsCAutoString &aURL, PRInt32 *aFrecency);
nsresult CalculateFrecencyInternal(PRInt64 aPageID, PRInt32 aTyped, PRInt32 aVisitCount, PRBool aIsBookmarked, PRInt32 *aFrecency);
/**
* Initializes the database file. If the database does not exist, was
* corrupted, or aForceInit is true, we recreate the database. We also backup
* the database if it was corrupted or aForceInit is true.
*
* @param aForceInit
* Indicates if we should close an open database connection or not.
* Note: A valid database connection must be opened if this is true.
*/
nsresult InitDBFile(PRBool aForceInit);
/**
* Set journal mode on the database.
*/
nsresult SetJournalMode(enum mozilla::places::JournalMode aJournalMode);
enum mozilla::places::JournalMode mCurrentJournalMode;
/**
* Initializes the database. This performs any necessary migrations for the
* database. All migration is done inside a transaction that is rolled back
* if any error occurs. Upon initialization, history is imported, and some
* preferences that are used are set.
*/
nsresult InitDB();
/**
* Initializes additional database items like functions, triggers, and
* statements.
*/
nsresult InitAdditionalDBItems();
nsresult InitFunctions();
nsresult InitTriggers();
nsresult CheckAndUpdateGUIDs();
nsresult MigrateV7Up(mozIStorageConnection *aDBConn);
nsresult MigrateV8Up(mozIStorageConnection *aDBConn);
nsresult MigrateV9Up(mozIStorageConnection *aDBConn);
nsresult MigrateV10Up(mozIStorageConnection *aDBConn);
nsresult MigrateV11Up(mozIStorageConnection *aDBConn);
nsresult RemovePagesInternal(const nsCString& aPlaceIdsQueryString);
nsresult PreparePlacesForVisitsDelete(const nsCString& aPlaceIdsQueryString);
nsresult CleanupPlacesOnVisitsDelete(const nsCString& aPlaceIdsQueryString);
nsresult AddURIInternal(nsIURI* aURI, PRTime aTime, PRBool aRedirect,
PRBool aToplevel, nsIURI* aReferrer);
nsresult AddVisitChain(nsIURI* aURI, PRTime aTime,
PRBool aToplevel, PRBool aRedirect,
nsIURI* aReferrer, PRInt64* aVisitID,
PRInt64* aSessionID);
nsresult InternalAddNewPage(nsIURI* aURI, const nsAString& aTitle,
PRBool aHidden, PRBool aTyped,
PRInt32 aVisitCount, PRBool aCalculateFrecency,
PRInt64* aPageID, nsACString& guid);
nsresult InternalAddVisit(PRInt64 aPageID, PRInt64 aReferringVisit,
PRInt64 aSessionID, PRTime aTime,
PRInt32 aTransitionType, PRInt64* aVisitID);
PRBool FindLastVisit(nsIURI* aURI,
PRInt64* aVisitID,
PRTime* aTime,
PRInt64* aSessionID);
PRBool IsURIStringVisited(const nsACString& url);
/**
* Loads all of the preferences that we use into member variables.
*
* @note If mPrefBranch is NULL, this does nothing.
*/
void LoadPrefs();
/**
* Calculates and returns value for mCachedNow.
* This is an hack to avoid calling PR_Now() too often, as is the case when
* we're asked the ageindays of many history entries in a row. A timer is
* set which will clear our valid flag after a short timeout.
*/
PRTime GetNow();
PRTime mCachedNow;
nsCOMPtr<nsITimer> mExpireNowTimer;
/**
* Called when the cached now value is expired and needs renewal.
*/
static void expireNowTimerCallback(nsITimer* aTimer, void* aClosure);
nsresult ConstructQueryString(const nsCOMArray<nsNavHistoryQuery>& aQueries,
nsNavHistoryQueryOptions* aOptions,
nsCString& queryString,
PRBool& aParamsPresent,
StringHash& aAddParams);
nsresult QueryToSelectClause(nsNavHistoryQuery* aQuery,
nsNavHistoryQueryOptions* aOptions,
PRInt32 aQueryIndex,
nsCString* aClause);
nsresult BindQueryClauseParameters(mozIStorageStatement* statement,
PRInt32 aQueryIndex,
nsNavHistoryQuery* aQuery,
nsNavHistoryQueryOptions* aOptions);
nsresult ResultsAsList(mozIStorageStatement* statement,
nsNavHistoryQueryOptions* aOptions,
nsCOMArray<nsNavHistoryResultNode>* aResults);
void TitleForDomain(const nsCString& domain, nsACString& aTitle);
nsresult SetPageTitleInternal(nsIURI* aURI, const nsAString& aTitle);
nsresult FilterResultSet(nsNavHistoryQueryResultNode *aParentNode,
const nsCOMArray<nsNavHistoryResultNode>& aSet,
nsCOMArray<nsNavHistoryResultNode>* aFiltered,
const nsCOMArray<nsNavHistoryQuery>& aQueries,
nsNavHistoryQueryOptions* aOptions);
// observers
nsMaybeWeakPtrArray<nsINavHistoryObserver> mObservers;
// effective tld service
nsCOMPtr<nsIEffectiveTLDService> mTLDService;
nsCOMPtr<nsIIDNService> mIDNService;
// localization
nsCOMPtr<nsIStringBundle> mBundle;
nsCOMPtr<nsIStringBundle> mDateFormatBundle;
nsCOMPtr<nsICollation> mCollation;
// annotation service : MAY BE NULL!
//nsCOMPtr<mozIAnnotationService> mAnnotationService;
// recent events
typedef nsDataHashtable<nsCStringHashKey, PRInt64> 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;
PRBool CheckIsRecentEvent(RecentEventHash* hashTable,
const nsACString& url);
void ExpireNonrecentEvents(RecentEventHash* hashTable);
// redirect tracking. See GetRedirectFor for a description of how this works.
struct RedirectInfo {
nsCString mSourceURI;
PRTime mTimeCreated;
PRUint32 mType; // one of TRANSITION_REDIRECT_[TEMPORARY,PERMANENT]
};
typedef nsDataHashtable<nsCStringHashKey, RedirectInfo> RedirectHash;
RedirectHash mRecentRedirects;
static PLDHashOperator ExpireNonrecentRedirects(
nsCStringHashKey::KeyType aKey, RedirectInfo& aData, void* aUserArg);
PRBool GetRedirectFor(const nsACString& aDestination, nsACString& aSource,
PRTime* aTime, PRUint32* aRedirectType);
// Sessions tracking.
PRInt64 mLastSessionID;
#ifdef MOZ_XUL
nsresult AutoCompleteFeedback(PRInt32 aIndex,
nsIAutoCompleteController *aController);
#endif
// Whether history is enabled or not.
// Will mimic value of the places.history.enabled preference.
PRBool mHistoryEnabled;
// Frecency preferences.
PRInt32 mNumVisitsForFrecency;
PRInt32 mFirstBucketCutoffInDays;
PRInt32 mSecondBucketCutoffInDays;
PRInt32 mThirdBucketCutoffInDays;
PRInt32 mFourthBucketCutoffInDays;
PRInt32 mFirstBucketWeight;
PRInt32 mSecondBucketWeight;
PRInt32 mThirdBucketWeight;
PRInt32 mFourthBucketWeight;
PRInt32 mDefaultWeight;
PRInt32 mEmbedVisitBonus;
PRInt32 mFramedLinkVisitBonus;
PRInt32 mLinkVisitBonus;
PRInt32 mTypedVisitBonus;
PRInt32 mBookmarkVisitBonus;
PRInt32 mDownloadVisitBonus;
PRInt32 mPermRedirectVisitBonus;
PRInt32 mTempRedirectVisitBonus;
PRInt32 mDefaultVisitBonus;
PRInt32 mUnvisitedBookmarkBonus;
PRInt32 mUnvisitedTypedBonus;
// in nsNavHistoryQuery.cpp
nsresult TokensToQueries(const nsTArray<QueryKeyValuePair>& aTokens,
nsCOMArray<nsNavHistoryQuery>* aQueries,
nsNavHistoryQueryOptions* aOptions);
PRInt64 mTagsFolder;
PRBool mInPrivateBrowsing;
PRUint16 mDatabaseStatus;
PRInt8 mHasHistoryEntries;
// 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 PRBool 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_
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