Magic-Mirror/gecko-dev
1
0
Fork 0
mirror of https://github.com/mozilla/gecko-dev.git synced 2024-11-05 00:25:27 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity
f9adebd571
gecko-dev/toolkit/components/places/nsNavHistory.cpp
Phil Ringnalda 128149306e Backed out 2 changesets (bug 911307) for frequent timeouts in browser_newtab_perwindow_private_browsing.js 
Backed out changeset 70638b7c97f1 (bug 911307)
Backed out changeset 3951f7e82b4c (bug 911307)
2014-03-29 12:13:11 -07:00

4623 lines
151 KiB
C++
Raw Blame History

//* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <stdio.h>
#include "mozilla/DebugOnly.h"
#include "nsNavHistory.h"
#include "mozIPlacesAutoComplete.h"
#include "nsNavBookmarks.h"
#include "nsAnnotationService.h"
#include "nsFaviconService.h"
#include "nsPlacesMacros.h"
#include "History.h"
#include "Helpers.h"
#include "nsTArray.h"
#include "nsCollationCID.h"
#include "nsILocaleService.h"
#include "nsNetUtil.h"
#include "nsPrintfCString.h"
#include "nsPromiseFlatString.h"
#include "nsString.h"
#include "nsUnicharUtils.h"
#include "prsystem.h"
#include "prtime.h"
#include "nsEscape.h"
#include "nsIEffectiveTLDService.h"
#include "nsIClassInfoImpl.h"
#include "nsThreadUtils.h"
#include "nsAppDirectoryServiceDefs.h"
#include "nsMathUtils.h"
#include "mozilla/storage.h"
#include "mozilla/Preferences.h"
#include <algorithm>
#ifdef MOZ_XUL
#include "nsIAutoCompleteInput.h"
#include "nsIAutoCompletePopup.h"
#endif
using namespace mozilla;
using namespace mozilla::places;
// The maximum number of things that we will store in the recent events list
// before calling ExpireNonrecentEvents. This number should be big enough so it
// is very difficult to get that many unconsumed events (for example, typed but
// never visited) in the RECENT_EVENT_THRESHOLD. Otherwise, we'll start
// checking each one for every page visit, which will be somewhat slower.
#define RECENT_EVENT_QUEUE_MAX_LENGTH 128
// preference ID strings
#define PREF_HISTORY_ENABLED "places.history.enabled"
#define PREF_FREC_NUM_VISITS "places.frecency.numVisits"
#define PREF_FREC_NUM_VISITS_DEF 10
#define PREF_FREC_FIRST_BUCKET_CUTOFF "places.frecency.firstBucketCutoff"
#define PREF_FREC_FIRST_BUCKET_CUTOFF_DEF 4
#define PREF_FREC_SECOND_BUCKET_CUTOFF "places.frecency.secondBucketCutoff"
#define PREF_FREC_SECOND_BUCKET_CUTOFF_DEF 14
#define PREF_FREC_THIRD_BUCKET_CUTOFF "places.frecency.thirdBucketCutoff"
#define PREF_FREC_THIRD_BUCKET_CUTOFF_DEF 31
#define PREF_FREC_FOURTH_BUCKET_CUTOFF "places.frecency.fourthBucketCutoff"
#define PREF_FREC_FOURTH_BUCKET_CUTOFF_DEF 90
#define PREF_FREC_FIRST_BUCKET_WEIGHT "places.frecency.firstBucketWeight"
#define PREF_FREC_FIRST_BUCKET_WEIGHT_DEF 100
#define PREF_FREC_SECOND_BUCKET_WEIGHT "places.frecency.secondBucketWeight"
#define PREF_FREC_SECOND_BUCKET_WEIGHT_DEF 70
#define PREF_FREC_THIRD_BUCKET_WEIGHT "places.frecency.thirdBucketWeight"
#define PREF_FREC_THIRD_BUCKET_WEIGHT_DEF 50
#define PREF_FREC_FOURTH_BUCKET_WEIGHT "places.frecency.fourthBucketWeight"
#define PREF_FREC_FOURTH_BUCKET_WEIGHT_DEF 30
#define PREF_FREC_DEFAULT_BUCKET_WEIGHT "places.frecency.defaultBucketWeight"
#define PREF_FREC_DEFAULT_BUCKET_WEIGHT_DEF 10
#define PREF_FREC_EMBED_VISIT_BONUS "places.frecency.embedVisitBonus"
#define PREF_FREC_EMBED_VISIT_BONUS_DEF 0
#define PREF_FREC_FRAMED_LINK_VISIT_BONUS "places.frecency.framedLinkVisitBonus"
#define PREF_FREC_FRAMED_LINK_VISIT_BONUS_DEF 0
#define PREF_FREC_LINK_VISIT_BONUS "places.frecency.linkVisitBonus"
#define PREF_FREC_LINK_VISIT_BONUS_DEF 100
#define PREF_FREC_TYPED_VISIT_BONUS "places.frecency.typedVisitBonus"
#define PREF_FREC_TYPED_VISIT_BONUS_DEF 2000
#define PREF_FREC_BOOKMARK_VISIT_BONUS "places.frecency.bookmarkVisitBonus"
#define PREF_FREC_BOOKMARK_VISIT_BONUS_DEF 75
#define PREF_FREC_DOWNLOAD_VISIT_BONUS "places.frecency.downloadVisitBonus"
#define PREF_FREC_DOWNLOAD_VISIT_BONUS_DEF 0
#define PREF_FREC_PERM_REDIRECT_VISIT_BONUS "places.frecency.permRedirectVisitBonus"
#define PREF_FREC_PERM_REDIRECT_VISIT_BONUS_DEF 0
#define PREF_FREC_TEMP_REDIRECT_VISIT_BONUS "places.frecency.tempRedirectVisitBonus"
#define PREF_FREC_TEMP_REDIRECT_VISIT_BONUS_DEF 0
#define PREF_FREC_DEFAULT_VISIT_BONUS "places.frecency.defaultVisitBonus"
#define PREF_FREC_DEFAULT_VISIT_BONUS_DEF 0
#define PREF_FREC_UNVISITED_BOOKMARK_BONUS "places.frecency.unvisitedBookmarkBonus"
#define PREF_FREC_UNVISITED_BOOKMARK_BONUS_DEF 140
#define PREF_FREC_UNVISITED_TYPED_BONUS "places.frecency.unvisitedTypedBonus"
#define PREF_FREC_UNVISITED_TYPED_BONUS_DEF 200
// In order to avoid calling PR_now() too often we use a cached "now" value
// for repeating stuff. These are milliseconds between "now" cache refreshes.
#define RENEW_CACHED_NOW_TIMEOUT ((int32_t)3 * PR_MSEC_PER_SEC)
static const int64_t USECS_PER_DAY = (int64_t)PR_USEC_PER_SEC * 60 * 60 * 24;
// character-set annotation
#define CHARSET_ANNO NS_LITERAL_CSTRING("URIProperties/characterSet")
// These macros are used when splitting history by date.
// These are the day containers and catch-all final container.
#define HISTORY_ADDITIONAL_DATE_CONT_NUM 3
// We use a guess of the number of months considering all of them 30 days
// long, but we split only the last 6 months.
#define HISTORY_DATE_CONT_NUM(_daysFromOldestVisit) \
(HISTORY_ADDITIONAL_DATE_CONT_NUM + \
std::min(6, (int32_t)ceilf((float)_daysFromOldestVisit/30)))
// Max number of containers, used to initialize the params hash.
#define HISTORY_DATE_CONT_MAX 10
// Initial size of the embed visits cache.
#define EMBED_VISITS_INITIAL_CACHE_SIZE 128
// Initial size of the recent events caches.
#define RECENT_EVENTS_INITIAL_CACHE_SIZE 128
// Observed topics.
#ifdef MOZ_XUL
#define TOPIC_AUTOCOMPLETE_FEEDBACK_INCOMING "autocomplete-will-enter-text"
#endif
#define TOPIC_IDLE_DAILY "idle-daily"
#define TOPIC_PREF_CHANGED "nsPref:changed"
#define TOPIC_PROFILE_TEARDOWN "profile-change-teardown"
#define TOPIC_PROFILE_CHANGE "profile-before-change"
static const char* kObservedPrefs[] = {
PREF_HISTORY_ENABLED
, PREF_FREC_NUM_VISITS
, PREF_FREC_FIRST_BUCKET_CUTOFF
, PREF_FREC_SECOND_BUCKET_CUTOFF
, PREF_FREC_THIRD_BUCKET_CUTOFF
, PREF_FREC_FOURTH_BUCKET_CUTOFF
, PREF_FREC_FIRST_BUCKET_WEIGHT
, PREF_FREC_SECOND_BUCKET_WEIGHT
, PREF_FREC_THIRD_BUCKET_WEIGHT
, PREF_FREC_FOURTH_BUCKET_WEIGHT
, PREF_FREC_DEFAULT_BUCKET_WEIGHT
, PREF_FREC_EMBED_VISIT_BONUS
, PREF_FREC_FRAMED_LINK_VISIT_BONUS
, PREF_FREC_LINK_VISIT_BONUS
, PREF_FREC_TYPED_VISIT_BONUS
, PREF_FREC_BOOKMARK_VISIT_BONUS
, PREF_FREC_DOWNLOAD_VISIT_BONUS
, PREF_FREC_PERM_REDIRECT_VISIT_BONUS
, PREF_FREC_TEMP_REDIRECT_VISIT_BONUS
, PREF_FREC_DEFAULT_VISIT_BONUS
, PREF_FREC_UNVISITED_BOOKMARK_BONUS
, PREF_FREC_UNVISITED_TYPED_BONUS
, nullptr
};
NS_IMPL_ADDREF(nsNavHistory)
NS_IMPL_RELEASE(nsNavHistory)
NS_IMPL_CLASSINFO(nsNavHistory, nullptr, nsIClassInfo::SINGLETON,
NS_NAVHISTORYSERVICE_CID)
NS_INTERFACE_MAP_BEGIN(nsNavHistory)
NS_INTERFACE_MAP_ENTRY(nsINavHistoryService)
NS_INTERFACE_MAP_ENTRY(nsIBrowserHistory)
NS_INTERFACE_MAP_ENTRY(nsIObserver)
NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
NS_INTERFACE_MAP_ENTRY(nsPIPlacesDatabase)
NS_INTERFACE_MAP_ENTRY(nsPIPlacesHistoryListenersNotifier)
NS_INTERFACE_MAP_ENTRY(mozIStorageVacuumParticipant)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsINavHistoryService)
NS_IMPL_QUERY_CLASSINFO(nsNavHistory)
NS_INTERFACE_MAP_END
// We don't care about flattening everything
NS_IMPL_CI_INTERFACE_GETTER2(
nsNavHistory
, nsINavHistoryService
, nsIBrowserHistory
)
namespace {
static int64_t GetSimpleBookmarksQueryFolder(
const nsCOMArray<nsNavHistoryQuery>& aQueries,
nsNavHistoryQueryOptions* aOptions);
static void ParseSearchTermsFromQueries(const nsCOMArray<nsNavHistoryQuery>& aQueries,
nsTArray<nsTArray<nsString>*>* aTerms);
void GetTagsSqlFragment(int64_t aTagsFolder,
const nsACString& aRelation,
bool aHasSearchTerms,
nsACString& _sqlFragment) {
if (!aHasSearchTerms)
_sqlFragment.AssignLiteral("null");
else {
// This subquery DOES NOT order tags for performance reasons.
_sqlFragment.Assign(NS_LITERAL_CSTRING(
"(SELECT GROUP_CONCAT(t_t.title, ',') "
"FROM moz_bookmarks b_t "
"JOIN moz_bookmarks t_t ON t_t.id = +b_t.parent "
"WHERE b_t.fk = ") + aRelation + NS_LITERAL_CSTRING(" "
"AND t_t.parent = ") +
nsPrintfCString("%lld", aTagsFolder) + NS_LITERAL_CSTRING(" "
")"));
}
_sqlFragment.AppendLiteral(" AS tags ");
}
/**
* This class sets begin/end of batch updates to correspond to C++ scopes so
* we can be sure end always gets called.
*/
class UpdateBatchScoper
{
public:
UpdateBatchScoper(nsNavHistory& aNavHistory) : mNavHistory(aNavHistory)
{
mNavHistory.BeginUpdateBatch();
}
~UpdateBatchScoper()
{
mNavHistory.EndUpdateBatch();
}
protected:
nsNavHistory& mNavHistory;
};
} // anonymouse namespace
// Queries rows indexes to bind or get values, if adding a new one, be sure to
// update nsNavBookmarks statements and its kGetChildrenIndex_* constants
const int32_t nsNavHistory::kGetInfoIndex_PageID = 0;
const int32_t nsNavHistory::kGetInfoIndex_URL = 1;
const int32_t nsNavHistory::kGetInfoIndex_Title = 2;
const int32_t nsNavHistory::kGetInfoIndex_RevHost = 3;
const int32_t nsNavHistory::kGetInfoIndex_VisitCount = 4;
const int32_t nsNavHistory::kGetInfoIndex_VisitDate = 5;
const int32_t nsNavHistory::kGetInfoIndex_FaviconURL = 6;
const int32_t nsNavHistory::kGetInfoIndex_ItemId = 7;
const int32_t nsNavHistory::kGetInfoIndex_ItemDateAdded = 8;
const int32_t nsNavHistory::kGetInfoIndex_ItemLastModified = 9;
const int32_t nsNavHistory::kGetInfoIndex_ItemParentId = 10;
const int32_t nsNavHistory::kGetInfoIndex_ItemTags = 11;
const int32_t nsNavHistory::kGetInfoIndex_Frecency = 12;
const int32_t nsNavHistory::kGetInfoIndex_Hidden = 13;
const int32_t nsNavHistory::kGetInfoIndex_Guid = 14;
PLACES_FACTORY_SINGLETON_IMPLEMENTATION(nsNavHistory, gHistoryService)
nsNavHistory::nsNavHistory()
: mBatchLevel(0)
, mBatchDBTransaction(nullptr)
, mCachedNow(0)
, mRecentTyped(RECENT_EVENTS_INITIAL_CACHE_SIZE)
, mRecentLink(RECENT_EVENTS_INITIAL_CACHE_SIZE)
, mRecentBookmark(RECENT_EVENTS_INITIAL_CACHE_SIZE)
, mEmbedVisits(EMBED_VISITS_INITIAL_CACHE_SIZE)
, mHistoryEnabled(true)
, mNumVisitsForFrecency(10)
, mTagsFolder(-1)
, mDaysOfHistory(-1)
, mLastCachedStartOfDay(INT64_MAX)
, mLastCachedEndOfDay(0)
, mCanNotify(true)
, mCacheObservers("history-observers")
{
NS_ASSERTION(!gHistoryService,
"Attempting to create two instances of the service!");
gHistoryService = this;
}
nsNavHistory::~nsNavHistory()
{
// remove the static reference to the service. Check to make sure its us
// in case somebody creates an extra instance of the service.
NS_ASSERTION(gHistoryService == this,
"Deleting a non-singleton instance of the service");
if (gHistoryService == this)
gHistoryService = nullptr;
}
nsresult
nsNavHistory::Init()
{
LoadPrefs();
mDB = Database::GetDatabase();
NS_ENSURE_STATE(mDB);
/*****************************************************************************
*** IMPORTANT NOTICE!
***
*** Nothing after these add observer calls should return anything but NS_OK.
*** If a failure code is returned, this nsNavHistory object will be held onto
*** by the observer service and the preference service.
****************************************************************************/
// Observe preferences changes.
Preferences::AddWeakObservers(this, kObservedPrefs);
nsCOMPtr<nsIObserverService> obsSvc = services::GetObserverService();
if (obsSvc) {
(void)obsSvc->AddObserver(this, TOPIC_PLACES_CONNECTION_CLOSED, true);
(void)obsSvc->AddObserver(this, TOPIC_IDLE_DAILY, true);
#ifdef MOZ_XUL
(void)obsSvc->AddObserver(this, TOPIC_AUTOCOMPLETE_FEEDBACK_INCOMING, true);
#endif
}
// Don't add code that can fail here! Do it up above, before we add our
// observers.
return NS_OK;
}
NS_IMETHODIMP
nsNavHistory::GetDatabaseStatus(uint16_t *aDatabaseStatus)
{
NS_ENSURE_ARG_POINTER(aDatabaseStatus);
*aDatabaseStatus = mDB->GetDatabaseStatus();
return NS_OK;
}
uint32_t
nsNavHistory::GetRecentFlags(nsIURI *aURI)
{
uint32_t result = 0;
nsAutoCString spec;
nsresult rv = aURI->GetSpec(spec);
NS_WARN_IF_FALSE(NS_SUCCEEDED(rv), "Unable to get aURI's spec");
if (NS_SUCCEEDED(rv)) {
if (CheckIsRecentEvent(&mRecentTyped, spec))
result |= RECENT_TYPED;
if (CheckIsRecentEvent(&mRecentLink, spec))
result |= RECENT_ACTIVATED;
if (CheckIsRecentEvent(&mRecentBookmark, spec))
result |= RECENT_BOOKMARKED;
}
return result;
}
nsresult
nsNavHistory::GetIdForPage(nsIURI* aURI,
int64_t* _pageId,
nsCString& _GUID)
{
*_pageId = 0;
nsCOMPtr<mozIStorageStatement> stmt = mDB->GetStatement(
"SELECT id, url, title, rev_host, visit_count, guid "
"FROM moz_places "
"WHERE url = :page_url "
);
NS_ENSURE_STATE(stmt);
mozStorageStatementScoper scoper(stmt);
nsresult rv = URIBinder::Bind(stmt, NS_LITERAL_CSTRING("page_url"), aURI);
NS_ENSURE_SUCCESS(rv, rv);
bool hasEntry = false;
rv = stmt->ExecuteStep(&hasEntry);
NS_ENSURE_SUCCESS(rv, rv);
if (hasEntry) {
rv = stmt->GetInt64(0, _pageId);
NS_ENSURE_SUCCESS(rv, rv);
rv = stmt->GetUTF8String(5, _GUID);
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}
nsresult
nsNavHistory::GetOrCreateIdForPage(nsIURI* aURI,
int64_t* _pageId,
nsCString& _GUID)
{
nsresult rv = GetIdForPage(aURI, _pageId, _GUID);
NS_ENSURE_SUCCESS(rv, rv);
if (*_pageId != 0) {
return NS_OK;
}
// Create a new hidden, untyped and unvisited entry.
nsCOMPtr<mozIStorageStatement> stmt = mDB->GetStatement(
"INSERT OR IGNORE INTO moz_places (url, rev_host, hidden, frecency, guid) "
"VALUES (:page_url, :rev_host, :hidden, :frecency, GENERATE_GUID()) "
);
NS_ENSURE_STATE(stmt);
mozStorageStatementScoper scoper(stmt);
rv = URIBinder::Bind(stmt, NS_LITERAL_CSTRING("page_url"), aURI);
NS_ENSURE_SUCCESS(rv, rv);
// host (reversed with trailing period)
nsAutoString revHost;
rv = GetReversedHostname(aURI, revHost);
// Not all URI types have hostnames, so this is optional.
if (NS_SUCCEEDED(rv)) {
rv = stmt->BindStringByName(NS_LITERAL_CSTRING("rev_host"), revHost);
} else {
rv = stmt->BindNullByName(NS_LITERAL_CSTRING("rev_host"));
}
NS_ENSURE_SUCCESS(rv, rv);
rv = stmt->BindInt32ByName(NS_LITERAL_CSTRING("hidden"), 1);
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString spec;
rv = aURI->GetSpec(spec);
NS_ENSURE_SUCCESS(rv, rv);
rv = stmt->BindInt32ByName(NS_LITERAL_CSTRING("frecency"),
IsQueryURI(spec) ? 0 : -1);
NS_ENSURE_SUCCESS(rv, rv);
rv = stmt->Execute();
NS_ENSURE_SUCCESS(rv, rv);
{
nsCOMPtr<mozIStorageStatement> getIdStmt = mDB->GetStatement(
"SELECT id, guid FROM moz_places WHERE url = :page_url "
);
NS_ENSURE_STATE(getIdStmt);
mozStorageStatementScoper getIdScoper(getIdStmt);
rv = URIBinder::Bind(getIdStmt, NS_LITERAL_CSTRING("page_url"), aURI);
NS_ENSURE_SUCCESS(rv, rv);
bool hasResult = false;
rv = getIdStmt->ExecuteStep(&hasResult);
NS_ENSURE_SUCCESS(rv, rv);
NS_ASSERTION(hasResult, "hasResult is false but the call succeeded?");
*_pageId = getIdStmt->AsInt64(0);
rv = getIdStmt->GetUTF8String(1, _GUID);
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}
void
nsNavHistory::LoadPrefs()
{
// History preferences.
// Check the old preference and migrate disabled state.
int32_t oldDaysPref = Preferences::GetInt("browser.history_expire_days", -1);
if (oldDaysPref >= 0) {
if (oldDaysPref == 0) {
// Preserve history disabled state, for privacy reasons.
Preferences::SetBool(PREF_HISTORY_ENABLED, false);
mHistoryEnabled = false;
}
// Clear the old pref, otherwise we will keep using it.
Preferences::ClearUser("browser.history_expire_days");
}
else {
mHistoryEnabled = Preferences::GetBool(PREF_HISTORY_ENABLED, true);
}
// Frecency preferences.
#define FRECENCY_PREF(_prop, _pref) \
_prop = Preferences::GetInt(_pref, _pref##_DEF)
FRECENCY_PREF(mNumVisitsForFrecency, PREF_FREC_NUM_VISITS);
FRECENCY_PREF(mFirstBucketCutoffInDays, PREF_FREC_FIRST_BUCKET_CUTOFF);
FRECENCY_PREF(mSecondBucketCutoffInDays, PREF_FREC_SECOND_BUCKET_CUTOFF);
FRECENCY_PREF(mThirdBucketCutoffInDays, PREF_FREC_THIRD_BUCKET_CUTOFF);
FRECENCY_PREF(mFourthBucketCutoffInDays, PREF_FREC_FOURTH_BUCKET_CUTOFF);
FRECENCY_PREF(mEmbedVisitBonus, PREF_FREC_EMBED_VISIT_BONUS);
FRECENCY_PREF(mFramedLinkVisitBonus, PREF_FREC_FRAMED_LINK_VISIT_BONUS);
FRECENCY_PREF(mLinkVisitBonus, PREF_FREC_LINK_VISIT_BONUS);
FRECENCY_PREF(mTypedVisitBonus, PREF_FREC_TYPED_VISIT_BONUS);
FRECENCY_PREF(mBookmarkVisitBonus, PREF_FREC_BOOKMARK_VISIT_BONUS);
FRECENCY_PREF(mDownloadVisitBonus, PREF_FREC_DOWNLOAD_VISIT_BONUS);
FRECENCY_PREF(mPermRedirectVisitBonus, PREF_FREC_PERM_REDIRECT_VISIT_BONUS);
FRECENCY_PREF(mTempRedirectVisitBonus, PREF_FREC_TEMP_REDIRECT_VISIT_BONUS);
FRECENCY_PREF(mDefaultVisitBonus, PREF_FREC_DEFAULT_VISIT_BONUS);
FRECENCY_PREF(mUnvisitedBookmarkBonus, PREF_FREC_UNVISITED_BOOKMARK_BONUS);
FRECENCY_PREF(mUnvisitedTypedBonus, PREF_FREC_UNVISITED_TYPED_BONUS);
FRECENCY_PREF(mFirstBucketWeight, PREF_FREC_FIRST_BUCKET_WEIGHT);
FRECENCY_PREF(mSecondBucketWeight, PREF_FREC_SECOND_BUCKET_WEIGHT);
FRECENCY_PREF(mThirdBucketWeight, PREF_FREC_THIRD_BUCKET_WEIGHT);
FRECENCY_PREF(mFourthBucketWeight, PREF_FREC_FOURTH_BUCKET_WEIGHT);
FRECENCY_PREF(mDefaultWeight, PREF_FREC_DEFAULT_BUCKET_WEIGHT);
#undef FRECENCY_PREF
}
void
nsNavHistory::NotifyOnVisit(nsIURI* aURI,
int64_t aVisitID,
PRTime aTime,
int64_t referringVisitID,
int32_t aTransitionType,
const nsACString& aGUID,
bool aHidden)
{
MOZ_ASSERT(!aGUID.IsEmpty());
// If there's no history, this visit will surely add a day. If the visit is
// added before or after the last cached day, the day count may have changed.
// Otherwise adding multiple visits in the same day should not invalidate
// the cache.
if (mDaysOfHistory == 0) {
mDaysOfHistory = 1;
} else if (aTime > mLastCachedEndOfDay || aTime < mLastCachedStartOfDay) {
mDaysOfHistory = -1;
}
NOTIFY_OBSERVERS(mCanNotify, mCacheObservers, mObservers,
nsINavHistoryObserver,
OnVisit(aURI, aVisitID, aTime, 0,
referringVisitID, aTransitionType, aGUID, aHidden));
}
void
nsNavHistory::NotifyTitleChange(nsIURI* aURI,
const nsString& aTitle,
const nsACString& aGUID)
{
MOZ_ASSERT(!aGUID.IsEmpty());
NOTIFY_OBSERVERS(mCanNotify, mCacheObservers, mObservers,
nsINavHistoryObserver, OnTitleChanged(aURI, aTitle, aGUID));
}
void
nsNavHistory::NotifyFrecencyChanged(nsIURI* aURI,
int32_t aNewFrecency,
const nsACString& aGUID,
bool aHidden,
PRTime aLastVisitDate)
{
MOZ_ASSERT(!aGUID.IsEmpty());
NOTIFY_OBSERVERS(mCanNotify, mCacheObservers, mObservers,
nsINavHistoryObserver,
OnFrecencyChanged(aURI, aNewFrecency, aGUID, aHidden,
aLastVisitDate));
}
void
nsNavHistory::NotifyManyFrecenciesChanged()
{
NOTIFY_OBSERVERS(mCanNotify, mCacheObservers, mObservers,
nsINavHistoryObserver,
OnManyFrecenciesChanged());
}
namespace {
class FrecencyNotification : public nsRunnable
{
public:
FrecencyNotification(const nsACString& aSpec,
int32_t aNewFrecency,
const nsACString& aGUID,
bool aHidden,
PRTime aLastVisitDate)
: mSpec(aSpec)
, mNewFrecency(aNewFrecency)
, mGUID(aGUID)
, mHidden(aHidden)
, mLastVisitDate(aLastVisitDate)
{
}
NS_IMETHOD Run()
{
MOZ_ASSERT(NS_IsMainThread(), "Must be called on the main thread");
nsNavHistory* navHistory = nsNavHistory::GetHistoryService();
if (navHistory) {
nsCOMPtr<nsIURI> uri;
(void)NS_NewURI(getter_AddRefs(uri), mSpec);
navHistory->NotifyFrecencyChanged(uri, mNewFrecency, mGUID, mHidden,
mLastVisitDate);
}
return NS_OK;
}
private:
nsCString mSpec;
int32_t mNewFrecency;
nsCString mGUID;
bool mHidden;
PRTime mLastVisitDate;
};
} // anonymous namespace
void
nsNavHistory::DispatchFrecencyChangedNotification(const nsACString& aSpec,
int32_t aNewFrecency,
const nsACString& aGUID,
bool aHidden,
PRTime aLastVisitDate) const
{
nsCOMPtr<nsIRunnable> notif = new FrecencyNotification(aSpec, aNewFrecency,
aGUID, aHidden,
aLastVisitDate);
(void)NS_DispatchToMainThread(notif);
}
int32_t
nsNavHistory::GetDaysOfHistory() {
MOZ_ASSERT(NS_IsMainThread(), "This can only be called on the main thread");
if (mDaysOfHistory != -1)
return mDaysOfHistory;
// SQLite doesn't have a CEIL() function, so we must do that later.
// We should also take into account timers resolution, that may be as bad as
// 16ms on Windows, so in some cases the difference may be 0, if the
// check is done near the visit. Thus remember to check for NULL separately.
nsCOMPtr<mozIStorageStatement> stmt = mDB->GetStatement(
"SELECT CAST(( "
"strftime('%s','now','localtime','utc') - "
"(SELECT MIN(visit_date)/1000000 FROM moz_historyvisits) "
") AS DOUBLE) "
"/86400, "
"strftime('%s','now','localtime','+1 day','start of day','utc') * 1000000"
);
NS_ENSURE_TRUE(stmt, 0);
mozStorageStatementScoper scoper(stmt);
bool hasResult;
if (NS_SUCCEEDED(stmt->ExecuteStep(&hasResult)) && hasResult) {
// If we get NULL, then there are no visits, otherwise there must always be
// at least 1 day of history.
bool hasNoVisits;
(void)stmt->GetIsNull(0, &hasNoVisits);
mDaysOfHistory = hasNoVisits ?
0 : std::max(1, static_cast<int32_t>(ceil(stmt->AsDouble(0))));
mLastCachedStartOfDay =
NormalizeTime(nsINavHistoryQuery::TIME_RELATIVE_TODAY, 0);
mLastCachedEndOfDay = stmt->AsInt64(1) - 1; // Start of tomorrow - 1.
}
return mDaysOfHistory;
}
PRTime
nsNavHistory::GetNow()
{
if (!mCachedNow) {
mCachedNow = PR_Now();
if (!mExpireNowTimer)
mExpireNowTimer = do_CreateInstance("@mozilla.org/timer;1");
if (mExpireNowTimer)
mExpireNowTimer->InitWithFuncCallback(expireNowTimerCallback, this,
RENEW_CACHED_NOW_TIMEOUT,
nsITimer::TYPE_ONE_SHOT);
}
return mCachedNow;
}
void nsNavHistory::expireNowTimerCallback(nsITimer* aTimer, void* aClosure)
{
nsNavHistory *history = static_cast<nsNavHistory *>(aClosure);
if (history) {
history->mCachedNow = 0;
history->mExpireNowTimer = 0;
}
}
/**
* Code borrowed from mozilla/xpfe/components/history/src/nsGlobalHistory.cpp
* Pass in a pre-normalized now and a date, and we'll find the difference since
* midnight on each of the days.
*/
static PRTime
NormalizeTimeRelativeToday(PRTime aTime)
{
// round to midnight this morning
PRExplodedTime explodedTime;
PR_ExplodeTime(aTime, PR_LocalTimeParameters, &explodedTime);
// set to midnight (0:00)
explodedTime.tm_min =
explodedTime.tm_hour =
explodedTime.tm_sec =
explodedTime.tm_usec = 0;
return PR_ImplodeTime(&explodedTime);
}
// nsNavHistory::NormalizeTime
//
// Converts a nsINavHistoryQuery reference+offset time into a PRTime
// relative to the epoch.
//
// It is important that this function NOT use the current time optimization.
// It is called to update queries, and we really need to know what right
// now is because those incoming values will also have current times that
// we will have to compare against.
PRTime // static
nsNavHistory::NormalizeTime(uint32_t aRelative, PRTime aOffset)
{
PRTime ref;
switch (aRelative)
{
case nsINavHistoryQuery::TIME_RELATIVE_EPOCH:
return aOffset;
case nsINavHistoryQuery::TIME_RELATIVE_TODAY:
ref = NormalizeTimeRelativeToday(PR_Now());
break;
case nsINavHistoryQuery::TIME_RELATIVE_NOW:
ref = PR_Now();
break;
default:
NS_NOTREACHED("Invalid relative time");
return 0;
}
return ref + aOffset;
}
// nsNavHistory::GetUpdateRequirements
//
// Returns conditions for query update.
//
// QUERYUPDATE_TIME:
// This query is only limited by an inclusive time range on the first
// query object. The caller can quickly evaluate the time itself if it
// chooses. This is even simpler than "simple" below.
// QUERYUPDATE_SIMPLE:
// This query is evaluatable using EvaluateQueryForNode to do live
// updating.
// QUERYUPDATE_COMPLEX:
// This query is not evaluatable using EvaluateQueryForNode. When something
// happens that this query updates, you will need to re-run the query.
// QUERYUPDATE_COMPLEX_WITH_BOOKMARKS:
// A complex query that additionally has dependence on bookmarks. All
// bookmark-dependent queries fall under this category.
//
// aHasSearchTerms will be set to true if the query has any dependence on
// keywords. When there is no dependence on keywords, we can handle title
// change operations as simple instead of complex.
uint32_t
nsNavHistory::GetUpdateRequirements(const nsCOMArray<nsNavHistoryQuery>& aQueries,
nsNavHistoryQueryOptions* aOptions,
bool* aHasSearchTerms)
{
NS_ASSERTION(aQueries.Count() > 0, "Must have at least one query");
// first check if there are search terms
*aHasSearchTerms = false;
int32_t i;
for (i = 0; i < aQueries.Count(); i ++) {
aQueries[i]->GetHasSearchTerms(aHasSearchTerms);
if (*aHasSearchTerms)
break;
}
bool nonTimeBasedItems = false;
bool domainBasedItems = false;
for (i = 0; i < aQueries.Count(); i ++) {
nsNavHistoryQuery* query = aQueries[i];
if (query->Folders().Length() > 0 ||
query->OnlyBookmarked() ||
query->Tags().Length() > 0) {
return QUERYUPDATE_COMPLEX_WITH_BOOKMARKS;
}
// Note: we don't currently have any complex non-bookmarked items, but these
// are expected to be added. Put detection of these items here.
if (!query->SearchTerms().IsEmpty() ||
!query->Domain().IsVoid() ||
query->Uri() != nullptr)
nonTimeBasedItems = true;
if (! query->Domain().IsVoid())
domainBasedItems = true;
}
if (aOptions->ResultType() ==
nsINavHistoryQueryOptions::RESULTS_AS_TAG_QUERY)
return QUERYUPDATE_COMPLEX_WITH_BOOKMARKS;
// Whenever there is a maximum number of results,
// and we are not a bookmark query we must requery. This
// is because we can't generally know if any given addition/change causes
// the item to be in the top N items in the database.
if (aOptions->MaxResults() > 0)
return QUERYUPDATE_COMPLEX;
if (aQueries.Count() == 1 && domainBasedItems)
return QUERYUPDATE_HOST;
if (aQueries.Count() == 1 && !nonTimeBasedItems)
return QUERYUPDATE_TIME;
return QUERYUPDATE_SIMPLE;
}
// nsNavHistory::EvaluateQueryForNode
//
// This runs the node through the given queries to see if satisfies the
// query conditions. Not every query parameters are handled by this code,
// but we handle the most common ones so that performance is better.
//
// We assume that the time on the node is the time that we want to compare.
// This is not necessarily true because URL nodes have the last access time,
// which is not necessarily the same. However, since this is being called
// to update the list, we assume that the last access time is the current
// access time that we are being asked to compare so it works out.
//
// Returns true if node matches the query, false if not.
bool
nsNavHistory::EvaluateQueryForNode(const nsCOMArray<nsNavHistoryQuery>& aQueries,
nsNavHistoryQueryOptions* aOptions,
nsNavHistoryResultNode* aNode)
{
// lazily created from the node's string when we need to match URIs
nsCOMPtr<nsIURI> nodeUri;
// --- hidden ---
if (aNode->mHidden && !aOptions->IncludeHidden())
return false;
for (int32_t i = 0; i < aQueries.Count(); i ++) {
bool hasIt;
nsCOMPtr<nsNavHistoryQuery> query = aQueries[i];
// --- begin time ---
query->GetHasBeginTime(&hasIt);
if (hasIt) {
PRTime beginTime = NormalizeTime(query->BeginTimeReference(),
query->BeginTime());
if (aNode->mTime < beginTime)
continue; // before our time range
}
// --- end time ---
query->GetHasEndTime(&hasIt);
if (hasIt) {
PRTime endTime = NormalizeTime(query->EndTimeReference(),
query->EndTime());
if (aNode->mTime > endTime)
continue; // after our time range
}
// --- search terms ---
if (! query->SearchTerms().IsEmpty()) {
// we can use the existing filtering code, just give it our one object in
// an array.
nsCOMArray<nsNavHistoryResultNode> inputSet;
inputSet.AppendObject(aNode);
nsCOMArray<nsNavHistoryQuery> queries;
queries.AppendObject(query);
nsCOMArray<nsNavHistoryResultNode> filteredSet;
nsresult rv = FilterResultSet(nullptr, inputSet, &filteredSet, queries, aOptions);
if (NS_FAILED(rv))
continue;
if (! filteredSet.Count())
continue; // did not make it through the filter, doesn't match
}
// --- domain/host matching ---
query->GetHasDomain(&hasIt);
if (hasIt) {
if (! nodeUri) {
// lazy creation of nodeUri, which might be checked for multiple queries
if (NS_FAILED(NS_NewURI(getter_AddRefs(nodeUri), aNode->mURI)))
continue;
}
nsAutoCString asciiRequest;
if (NS_FAILED(AsciiHostNameFromHostString(query->Domain(), asciiRequest)))
continue;
if (query->DomainIsHost()) {
nsAutoCString host;
if (NS_FAILED(nodeUri->GetAsciiHost(host)))
continue;
if (! asciiRequest.Equals(host))
continue; // host names don't match
}
// check domain names
nsAutoCString domain;
DomainNameFromURI(nodeUri, domain);
if (! asciiRequest.Equals(domain))
continue; // domain names don't match
}
// --- URI matching ---
if (query->Uri()) {
if (! nodeUri) { // lazy creation of nodeUri
if (NS_FAILED(NS_NewURI(getter_AddRefs(nodeUri), aNode->mURI)))
continue;
}
if (! query->UriIsPrefix()) {
// easy case: the URI is an exact match
bool equals;
nsresult rv = query->Uri()->Equals(nodeUri, &equals);
NS_ENSURE_SUCCESS(rv, false);
if (! equals)
continue;
} else {
// harder case: match prefix, note that we need to get the ASCII string
// from the node's parsed URI instead of using the node's mUrl string,
// because that might not be normalized
nsAutoCString nodeUriString;
nodeUri->GetAsciiSpec(nodeUriString);
nsAutoCString queryUriString;
query->Uri()->GetAsciiSpec(queryUriString);
if (queryUriString.Length() > nodeUriString.Length())
continue; // not long enough to match as prefix
nodeUriString.SetLength(queryUriString.Length());
if (! nodeUriString.Equals(queryUriString))
continue; // prefixes don't match
}
}
// Transitions matching.
const nsTArray<uint32_t>& transitions = query->Transitions();
if (aNode->mTransitionType > 0 &&
transitions.Length() &&
!transitions.Contains(aNode->mTransitionType)) {
continue; // transition doesn't match.
}
// If we ever make it to the bottom of this loop, that means it passed all
// tests for the given query. Since queries are ORed together, that means
// it passed everything and we are done.
return true;
}
// didn't match any query
return false;
}
// nsNavHistory::AsciiHostNameFromHostString
//
// We might have interesting encodings and different case in the host name.
// This will convert that host name into an ASCII host name by sending it
// through the URI canonicalization. The result can be used for comparison
// with other ASCII host name strings.
nsresult // static
nsNavHistory::AsciiHostNameFromHostString(const nsACString& aHostName,
nsACString& aAscii)
{
// To properly generate a uri we must provide a protocol.
nsAutoCString fakeURL("http://");
fakeURL.Append(aHostName);
nsCOMPtr<nsIURI> uri;
nsresult rv = NS_NewURI(getter_AddRefs(uri), fakeURL);
NS_ENSURE_SUCCESS(rv, rv);
rv = uri->GetAsciiHost(aAscii);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
// nsNavHistory::DomainNameFromURI
//
// This does the www.mozilla.org -> mozilla.org and
// foo.theregister.co.uk -> theregister.co.uk conversion
void
nsNavHistory::DomainNameFromURI(nsIURI *aURI,
nsACString& aDomainName)
{
// lazily get the effective tld service
if (!mTLDService)
mTLDService = do_GetService(NS_EFFECTIVETLDSERVICE_CONTRACTID);
if (mTLDService) {
// get the base domain for a given hostname.
// e.g. for "images.bbc.co.uk", this would be "bbc.co.uk".
nsresult rv = mTLDService->GetBaseDomain(aURI, 0, aDomainName);
if (NS_SUCCEEDED(rv))
return;
}
// just return the original hostname
// (it's also possible the host is an IP address)
aURI->GetAsciiHost(aDomainName);
}
NS_IMETHODIMP
nsNavHistory::GetHasHistoryEntries(bool* aHasEntries)
{
NS_ENSURE_ARG_POINTER(aHasEntries);
*aHasEntries = GetDaysOfHistory() > 0;
return NS_OK;
}
namespace {
class InvalidateAllFrecenciesCallback : public AsyncStatementCallback
{
public:
InvalidateAllFrecenciesCallback()
{
}
NS_IMETHOD HandleCompletion(uint16_t aReason)
{
if (aReason == REASON_FINISHED) {
nsNavHistory *navHistory = nsNavHistory::GetHistoryService();
NS_ENSURE_STATE(navHistory);
navHistory->NotifyManyFrecenciesChanged();
}
return NS_OK;
}
};
} // anonymous namespace
nsresult
nsNavHistory::invalidateFrecencies(const nsCString& aPlaceIdsQueryString)
{
// Exclude place: queries by setting their frecency to zero.
nsCString invalidFrecenciesSQLFragment(
"UPDATE moz_places SET frecency = "
);
if (!aPlaceIdsQueryString.IsEmpty())
invalidFrecenciesSQLFragment.AppendLiteral("NOTIFY_FRECENCY(");
invalidFrecenciesSQLFragment.AppendLiteral(
"(CASE "
"WHEN url BETWEEN 'place:' AND 'place;' "
"THEN 0 "
"ELSE -1 "
"END) "
);
if (!aPlaceIdsQueryString.IsEmpty()) {
invalidFrecenciesSQLFragment.AppendLiteral(
", url, guid, hidden, last_visit_date) "
);
}
invalidFrecenciesSQLFragment.AppendLiteral(
"WHERE frecency > 0 "
);
if (!aPlaceIdsQueryString.IsEmpty()) {
invalidFrecenciesSQLFragment.AppendLiteral("AND id IN(");
invalidFrecenciesSQLFragment.Append(aPlaceIdsQueryString);
invalidFrecenciesSQLFragment.AppendLiteral(")");
}
nsRefPtr<InvalidateAllFrecenciesCallback> cb =
aPlaceIdsQueryString.IsEmpty() ? new InvalidateAllFrecenciesCallback()
: nullptr;
nsCOMPtr<mozIStorageAsyncStatement> stmt = mDB->GetAsyncStatement(
invalidFrecenciesSQLFragment
);
NS_ENSURE_STATE(stmt);
nsCOMPtr<mozIStoragePendingStatement> ps;
nsresult rv = stmt->ExecuteAsync(cb, getter_AddRefs(ps));
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
// Call this method before visiting a URL in order to help determine the
// transition type of the visit.
//
// @see MarkPageAsTyped
NS_IMETHODIMP
nsNavHistory::MarkPageAsFollowedBookmark(nsIURI* aURI)
{
NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
NS_ENSURE_ARG(aURI);
// don't add when history is disabled
if (IsHistoryDisabled())
return NS_OK;
nsAutoCString uriString;
nsresult rv = aURI->GetSpec(uriString);
NS_ENSURE_SUCCESS(rv, rv);
// if URL is already in the bookmark queue, then we need to remove the old one
int64_t unusedEventTime;
if (mRecentBookmark.Get(uriString, &unusedEventTime))
mRecentBookmark.Remove(uriString);
if (mRecentBookmark.Count() > RECENT_EVENT_QUEUE_MAX_LENGTH)
ExpireNonrecentEvents(&mRecentBookmark);
mRecentBookmark.Put(uriString, GetNow());
return NS_OK;
}
// nsNavHistory::CanAddURI
//
// Filter out unwanted URIs such as "chrome:", "mailbox:", etc.
//
// The model is if we don't know differently then add which basically means
// we are suppose to try all the things we know not to allow in and then if
// we don't bail go on and allow it in.
NS_IMETHODIMP
nsNavHistory::CanAddURI(nsIURI* aURI, bool* canAdd)
{
NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
NS_ENSURE_ARG(aURI);
NS_ENSURE_ARG_POINTER(canAdd);
// If history is disabled, don't add any entry.
if (IsHistoryDisabled()) {
*canAdd = false;
return NS_OK;
}
nsAutoCString scheme;
nsresult rv = aURI->GetScheme(scheme);
NS_ENSURE_SUCCESS(rv, rv);
// first check the most common cases (HTTP, HTTPS) to allow in to avoid most
// of the work
if (scheme.EqualsLiteral("http")) {
*canAdd = true;
return NS_OK;
}
if (scheme.EqualsLiteral("https")) {
*canAdd = true;
return NS_OK;
}
// now check for all bad things
if (scheme.EqualsLiteral("about") ||
scheme.EqualsLiteral("imap") ||
scheme.EqualsLiteral("news") ||
scheme.EqualsLiteral("mailbox") ||
scheme.EqualsLiteral("moz-anno") ||
scheme.EqualsLiteral("view-source") ||
scheme.EqualsLiteral("chrome") ||
scheme.EqualsLiteral("resource") ||
scheme.EqualsLiteral("data") ||
scheme.EqualsLiteral("wyciwyg") ||
scheme.EqualsLiteral("javascript") ||
scheme.EqualsLiteral("blob")) {
*canAdd = false;
return NS_OK;
}
*canAdd = true;
return NS_OK;
}
// nsNavHistory::GetNewQuery
NS_IMETHODIMP
nsNavHistory::GetNewQuery(nsINavHistoryQuery **_retval)
{
NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
NS_ENSURE_ARG_POINTER(_retval);
nsRefPtr<nsNavHistoryQuery> query = new nsNavHistoryQuery();
query.forget(_retval);
return NS_OK;
}
// nsNavHistory::GetNewQueryOptions
NS_IMETHODIMP
nsNavHistory::GetNewQueryOptions(nsINavHistoryQueryOptions **_retval)
{
NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
NS_ENSURE_ARG_POINTER(_retval);
nsRefPtr<nsNavHistoryQueryOptions> queryOptions = new nsNavHistoryQueryOptions();
queryOptions.forget(_retval);
return NS_OK;
}
// nsNavHistory::ExecuteQuery
//
NS_IMETHODIMP
nsNavHistory::ExecuteQuery(nsINavHistoryQuery *aQuery, nsINavHistoryQueryOptions *aOptions,
nsINavHistoryResult** _retval)
{
NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
NS_ENSURE_ARG(aQuery);
NS_ENSURE_ARG(aOptions);
NS_ENSURE_ARG_POINTER(_retval);
return ExecuteQueries(&aQuery, 1, aOptions, _retval);
}
// nsNavHistory::ExecuteQueries
//
// This function is actually very simple, we just create the proper root node (either
// a bookmark folder or a complex query node) and assign it to the result. The node
// will then populate itself accordingly.
//
// Quick overview of query operation: When you call this function, we will construct
// the correct container node and set the options you give it. This node will then
// fill itself. Folder nodes will call nsNavBookmarks::QueryFolderChildren, and
// all other queries will call GetQueryResults. If these results contain other
// queries, those will be populated when the container is opened.
NS_IMETHODIMP
nsNavHistory::ExecuteQueries(nsINavHistoryQuery** aQueries, uint32_t aQueryCount,
nsINavHistoryQueryOptions *aOptions,
nsINavHistoryResult** _retval)
{
NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
NS_ENSURE_ARG(aQueries);
NS_ENSURE_ARG(aOptions);
NS_ENSURE_ARG(aQueryCount);
NS_ENSURE_ARG_POINTER(_retval);
nsresult rv;
// concrete options
nsCOMPtr<nsNavHistoryQueryOptions> options = do_QueryInterface(aOptions);
NS_ENSURE_TRUE(options, NS_ERROR_INVALID_ARG);
// concrete queries array
nsCOMArray<nsNavHistoryQuery> queries;
for (uint32_t i = 0; i < aQueryCount; i ++) {
nsCOMPtr<nsNavHistoryQuery> query = do_QueryInterface(aQueries[i], &rv);
NS_ENSURE_SUCCESS(rv, rv);
queries.AppendObject(query);
}
// Create the root node.
nsRefPtr<nsNavHistoryContainerResultNode> rootNode;
int64_t folderId = GetSimpleBookmarksQueryFolder(queries, options);
if (folderId) {
// In the simple case where we're just querying children of a single
// bookmark folder, we can more efficiently generate results.
nsNavBookmarks* bookmarks = nsNavBookmarks::GetBookmarksService();
NS_ENSURE_TRUE(bookmarks, NS_ERROR_OUT_OF_MEMORY);
nsRefPtr<nsNavHistoryResultNode> tempRootNode;
rv = bookmarks->ResultNodeForContainer(folderId, options,
getter_AddRefs(tempRootNode));
if (NS_SUCCEEDED(rv)) {
rootNode = tempRootNode->GetAsContainer();
}
else {
NS_WARNING("Generating a generic empty node for a broken query!");
// This is a perf hack to generate an empty query that skips filtering.
options->SetExcludeItems(true);
}
}
if (!rootNode) {
// Either this is not a folder shortcut, or is a broken one. In both cases
// just generate a query node.
rootNode = new nsNavHistoryQueryResultNode(EmptyCString(), EmptyCString(),
queries, options);
}
// Create the result that will hold nodes. Inject batching status into it.
nsRefPtr<nsNavHistoryResult> result;
rv = nsNavHistoryResult::NewHistoryResult(aQueries, aQueryCount, options,
rootNode, isBatching(),
getter_AddRefs(result));
NS_ENSURE_SUCCESS(rv, rv);
result.forget(_retval);
return NS_OK;
}
// determine from our nsNavHistoryQuery array and nsNavHistoryQueryOptions
// if this is the place query from the history menu.
// from browser-menubar.inc, our history menu query is:
// place:sort=4&maxResults=10
// note, any maxResult > 0 will still be considered a history menu query
// or if this is the place query from the "Most Visited" item in the
// "Smart Bookmarks" folder: place:sort=8&maxResults=10
// note, any maxResult > 0 will still be considered a Most Visited menu query
static
bool IsOptimizableHistoryQuery(const nsCOMArray<nsNavHistoryQuery>& aQueries,
nsNavHistoryQueryOptions *aOptions,
uint16_t aSortMode)
{
if (aQueries.Count() != 1)
return false;
nsNavHistoryQuery *aQuery = aQueries[0];
if (aOptions->QueryType() != nsINavHistoryQueryOptions::QUERY_TYPE_HISTORY)
return false;
if (aOptions->ResultType() != nsINavHistoryQueryOptions::RESULTS_AS_URI)
return false;
if (aOptions->SortingMode() != aSortMode)
return false;
if (aOptions->MaxResults() <= 0)
return false;
if (aOptions->ExcludeItems())
return false;
if (aOptions->IncludeHidden())
return false;
if (aQuery->MinVisits() != -1 || aQuery->MaxVisits() != -1)
return false;
if (aQuery->BeginTime() || aQuery->BeginTimeReference())
return false;
if (aQuery->EndTime() || aQuery->EndTimeReference())
return false;
if (!aQuery->SearchTerms().IsEmpty())
return false;
if (aQuery->OnlyBookmarked())
return false;
if (aQuery->DomainIsHost() || !aQuery->Domain().IsEmpty())
return false;
if (aQuery->AnnotationIsNot() || !aQuery->Annotation().IsEmpty())
return false;
if (aQuery->UriIsPrefix() || aQuery->Uri())
return false;
if (aQuery->Folders().Length() > 0)
return false;
if (aQuery->Tags().Length() > 0)
return false;
if (aQuery->Transitions().Length() > 0)
return false;
return true;
}
static
bool NeedToFilterResultSet(const nsCOMArray<nsNavHistoryQuery>& aQueries,
nsNavHistoryQueryOptions *aOptions)
{
uint16_t resultType = aOptions->ResultType();
return resultType == nsINavHistoryQueryOptions::RESULTS_AS_TAG_CONTENTS;
}
// ** Helper class for ConstructQueryString **/
class PlacesSQLQueryBuilder
{
public:
PlacesSQLQueryBuilder(const nsCString& aConditions,
nsNavHistoryQueryOptions* aOptions,
bool aUseLimit,
nsNavHistory::StringHash& aAddParams,
bool aHasSearchTerms);
nsresult GetQueryString(nsCString& aQueryString);
private:
nsresult Select();
nsresult SelectAsURI();
nsresult SelectAsVisit();
nsresult SelectAsDay();
nsresult SelectAsSite();
nsresult SelectAsTag();
nsresult Where();
nsresult GroupBy();
nsresult OrderBy();
nsresult Limit();
void OrderByColumnIndexAsc(int32_t aIndex);
void OrderByColumnIndexDesc(int32_t aIndex);
// Use these if you want a case insensitive sorting.
void OrderByTextColumnIndexAsc(int32_t aIndex);
void OrderByTextColumnIndexDesc(int32_t aIndex);
const nsCString& mConditions;
bool mUseLimit;
bool mHasSearchTerms;
uint16_t mResultType;
uint16_t mQueryType;
bool mIncludeHidden;
uint16_t mSortingMode;
uint32_t mMaxResults;
nsCString mQueryString;
nsCString mGroupBy;
bool mHasDateColumns;
bool mSkipOrderBy;
nsNavHistory::StringHash& mAddParams;
};
PlacesSQLQueryBuilder::PlacesSQLQueryBuilder(
const nsCString& aConditions,
nsNavHistoryQueryOptions* aOptions,
bool aUseLimit,
nsNavHistory::StringHash& aAddParams,
bool aHasSearchTerms)
: mConditions(aConditions)
, mUseLimit(aUseLimit)
, mHasSearchTerms(aHasSearchTerms)
, mResultType(aOptions->ResultType())
, mQueryType(aOptions->QueryType())
, mIncludeHidden(aOptions->IncludeHidden())
, mSortingMode(aOptions->SortingMode())
, mMaxResults(aOptions->MaxResults())
, mSkipOrderBy(false)
, mAddParams(aAddParams)
{
mHasDateColumns = (mQueryType == nsINavHistoryQueryOptions::QUERY_TYPE_BOOKMARKS);
}
nsresult
PlacesSQLQueryBuilder::GetQueryString(nsCString& aQueryString)
{
nsresult rv = Select();
NS_ENSURE_SUCCESS(rv, rv);
rv = Where();
NS_ENSURE_SUCCESS(rv, rv);
rv = GroupBy();
NS_ENSURE_SUCCESS(rv, rv);
rv = OrderBy();
NS_ENSURE_SUCCESS(rv, rv);
rv = Limit();
NS_ENSURE_SUCCESS(rv, rv);
aQueryString = mQueryString;
return NS_OK;
}
nsresult
PlacesSQLQueryBuilder::Select()
{
nsresult rv;
switch (mResultType)
{
case nsINavHistoryQueryOptions::RESULTS_AS_URI:
case nsINavHistoryQueryOptions::RESULTS_AS_TAG_CONTENTS:
rv = SelectAsURI();
NS_ENSURE_SUCCESS(rv, rv);
break;
case nsINavHistoryQueryOptions::RESULTS_AS_VISIT:
case nsINavHistoryQueryOptions::RESULTS_AS_FULL_VISIT:
rv = SelectAsVisit();
NS_ENSURE_SUCCESS(rv, rv);
break;
case nsINavHistoryQueryOptions::RESULTS_AS_DATE_QUERY:
case nsINavHistoryQueryOptions::RESULTS_AS_DATE_SITE_QUERY:
rv = SelectAsDay();
NS_ENSURE_SUCCESS(rv, rv);
break;
case nsINavHistoryQueryOptions::RESULTS_AS_SITE_QUERY:
rv = SelectAsSite();
NS_ENSURE_SUCCESS(rv, rv);
break;
case nsINavHistoryQueryOptions::RESULTS_AS_TAG_QUERY:
rv = SelectAsTag();
NS_ENSURE_SUCCESS(rv, rv);
break;
default:
NS_NOTREACHED("Invalid result type");
}
return NS_OK;
}
nsresult
PlacesSQLQueryBuilder::SelectAsURI()
{
nsNavHistory *history = nsNavHistory::GetHistoryService();
NS_ENSURE_TRUE(history, NS_ERROR_OUT_OF_MEMORY);
nsAutoCString tagsSqlFragment;
switch (mQueryType) {
case nsINavHistoryQueryOptions::QUERY_TYPE_HISTORY:
GetTagsSqlFragment(history->GetTagsFolder(),
NS_LITERAL_CSTRING("h.id"),
mHasSearchTerms,
tagsSqlFragment);
mQueryString = NS_LITERAL_CSTRING(
"SELECT h.id, h.url, h.title AS page_title, h.rev_host, h.visit_count, "
"h.last_visit_date, f.url, null, null, null, null, ") +
tagsSqlFragment + NS_LITERAL_CSTRING(", h.frecency, h.hidden, h.guid "
"FROM moz_places h "
"LEFT JOIN moz_favicons f ON h.favicon_id = f.id "
// WHERE 1 is a no-op since additonal conditions will start with AND.
"WHERE 1 "
"{QUERY_OPTIONS_VISITS} {QUERY_OPTIONS_PLACES} "
"{ADDITIONAL_CONDITIONS} ");
break;
case nsINavHistoryQueryOptions::QUERY_TYPE_BOOKMARKS:
if (mResultType == nsINavHistoryQueryOptions::RESULTS_AS_TAG_CONTENTS) {
// Order-by clause is hardcoded because we need to discard duplicates
// in FilterResultSet. We will retain only the last modified item,
// so we are ordering by place id and last modified to do a faster
// filtering.
mSkipOrderBy = true;
GetTagsSqlFragment(history->GetTagsFolder(),
NS_LITERAL_CSTRING("b2.fk"),
mHasSearchTerms,
tagsSqlFragment);
mQueryString = NS_LITERAL_CSTRING(
"SELECT b2.fk, h.url, COALESCE(b2.title, h.title) AS page_title, "
"h.rev_host, h.visit_count, h.last_visit_date, f.url, b2.id, "
"b2.dateAdded, b2.lastModified, b2.parent, ") +
tagsSqlFragment + NS_LITERAL_CSTRING(", h.frecency, h.hidden, h.guid "
"FROM moz_bookmarks b2 "
"JOIN (SELECT b.fk "
"FROM moz_bookmarks b "
// ADDITIONAL_CONDITIONS will filter on parent.
"WHERE b.type = 1 {ADDITIONAL_CONDITIONS} "
") AS seed ON b2.fk = seed.fk "
"JOIN moz_places h ON h.id = b2.fk "
"LEFT OUTER JOIN moz_favicons f ON h.favicon_id = f.id "
"WHERE NOT EXISTS ( "
"SELECT id FROM moz_bookmarks WHERE id = b2.parent AND parent = ") +
nsPrintfCString("%lld", history->GetTagsFolder()) +
NS_LITERAL_CSTRING(") "
"ORDER BY b2.fk DESC, b2.lastModified DESC");
}
else {
GetTagsSqlFragment(history->GetTagsFolder(),
NS_LITERAL_CSTRING("b.fk"),
mHasSearchTerms,
tagsSqlFragment);
mQueryString = NS_LITERAL_CSTRING(
"SELECT b.fk, h.url, COALESCE(b.title, h.title) AS page_title, "
"h.rev_host, h.visit_count, h.last_visit_date, f.url, b.id, "
"b.dateAdded, b.lastModified, b.parent, ") +
tagsSqlFragment + NS_LITERAL_CSTRING(", h.frecency, h.hidden, h.guid "
"FROM moz_bookmarks b "
"JOIN moz_places h ON b.fk = h.id "
"LEFT OUTER JOIN moz_favicons f ON h.favicon_id = f.id "
"WHERE NOT EXISTS "
"(SELECT id FROM moz_bookmarks "
"WHERE id = b.parent AND parent = ") +
nsPrintfCString("%lld", history->GetTagsFolder()) +
NS_LITERAL_CSTRING(") "
"{ADDITIONAL_CONDITIONS}");
}
break;
default:
return NS_ERROR_NOT_IMPLEMENTED;
}
return NS_OK;
}
nsresult
PlacesSQLQueryBuilder::SelectAsVisit()
{
nsNavHistory *history = nsNavHistory::GetHistoryService();
NS_ENSURE_TRUE(history, NS_ERROR_OUT_OF_MEMORY);
nsAutoCString tagsSqlFragment;
GetTagsSqlFragment(history->GetTagsFolder(),
NS_LITERAL_CSTRING("h.id"),
mHasSearchTerms,
tagsSqlFragment);
mQueryString = NS_LITERAL_CSTRING(
"SELECT h.id, h.url, h.title AS page_title, h.rev_host, h.visit_count, "
"v.visit_date, f.url, null, null, null, null, ") +
tagsSqlFragment + NS_LITERAL_CSTRING(", h.frecency, h.hidden, h.guid "
"FROM moz_places h "
"JOIN moz_historyvisits v ON h.id = v.place_id "
"LEFT JOIN moz_favicons f ON h.favicon_id = f.id "
// WHERE 1 is a no-op since additonal conditions will start with AND.
"WHERE 1 "
"{QUERY_OPTIONS_VISITS} {QUERY_OPTIONS_PLACES} "
"{ADDITIONAL_CONDITIONS} ");
return NS_OK;
}
nsresult
PlacesSQLQueryBuilder::SelectAsDay()
{
mSkipOrderBy = true;
// Sort child queries based on sorting mode if it's provided, otherwise
// fallback to default sort by title ascending.
uint16_t sortingMode = nsINavHistoryQueryOptions::SORT_BY_TITLE_ASCENDING;
if (mSortingMode != nsINavHistoryQueryOptions::SORT_BY_NONE &&
mResultType == nsINavHistoryQueryOptions::RESULTS_AS_DATE_QUERY)
sortingMode = mSortingMode;
uint16_t resultType =
mResultType == nsINavHistoryQueryOptions::RESULTS_AS_DATE_QUERY ?
(uint16_t)nsINavHistoryQueryOptions::RESULTS_AS_URI :
(uint16_t)nsINavHistoryQueryOptions::RESULTS_AS_SITE_QUERY;
// beginTime will become the node's time property, we don't use endTime
// because it could overlap, and we use time to sort containers and find
// insert position in a result.
mQueryString = nsPrintfCString(
"SELECT null, "
"'place:type=%ld&sort=%ld&beginTime='||beginTime||'&endTime='||endTime, "
"dayTitle, null, null, beginTime, null, null, null, null, null, null "
"FROM (", // TOUTER BEGIN
resultType,
sortingMode);
nsNavHistory *history = nsNavHistory::GetHistoryService();
NS_ENSURE_STATE(history);
int32_t daysOfHistory = history->GetDaysOfHistory();
for (int32_t i = 0; i <= HISTORY_DATE_CONT_NUM(daysOfHistory); i++) {
nsAutoCString dateName;
// Timeframes are calculated as BeginTime <= container < EndTime.
// Notice times can't be relative to now, since to recognize a query we
// must ensure it won't change based on the time it is built.
// So, to select till now, we really select till start of tomorrow, that is
// a fixed timestamp.
// These are used as limits for the inside containers.
nsAutoCString sqlFragmentContainerBeginTime, sqlFragmentContainerEndTime;
// These are used to query if the container should be visible.
nsAutoCString sqlFragmentSearchBeginTime, sqlFragmentSearchEndTime;
switch(i) {
case 0:
// Today
history->GetStringFromName(
MOZ_UTF16("finduri-AgeInDays-is-0"), dateName);
// From start of today
sqlFragmentContainerBeginTime = NS_LITERAL_CSTRING(
"(strftime('%s','now','localtime','start of day','utc')*1000000)");
// To now (tomorrow)
sqlFragmentContainerEndTime = NS_LITERAL_CSTRING(
"(strftime('%s','now','localtime','start of day','+1 day','utc')*1000000)");
// Search for the same timeframe.
sqlFragmentSearchBeginTime = sqlFragmentContainerBeginTime;
sqlFragmentSearchEndTime = sqlFragmentContainerEndTime;
break;
case 1:
// Yesterday
history->GetStringFromName(
MOZ_UTF16("finduri-AgeInDays-is-1"), dateName);
// From start of yesterday
sqlFragmentContainerBeginTime = NS_LITERAL_CSTRING(
"(strftime('%s','now','localtime','start of day','-1 day','utc')*1000000)");
// To start of today
sqlFragmentContainerEndTime = NS_LITERAL_CSTRING(
"(strftime('%s','now','localtime','start of day','utc')*1000000)");
// Search for the same timeframe.
sqlFragmentSearchBeginTime = sqlFragmentContainerBeginTime;
sqlFragmentSearchEndTime = sqlFragmentContainerEndTime;
break;
case 2:
// Last 7 days
history->GetAgeInDaysString(7,
MOZ_UTF16("finduri-AgeInDays-last-is"), dateName);
// From start of 7 days ago
sqlFragmentContainerBeginTime = NS_LITERAL_CSTRING(
"(strftime('%s','now','localtime','start of day','-7 days','utc')*1000000)");
// To now (tomorrow)
sqlFragmentContainerEndTime = NS_LITERAL_CSTRING(
"(strftime('%s','now','localtime','start of day','+1 day','utc')*1000000)");
// This is an overlapped container, but we show it only if there are
// visits older than yesterday.
sqlFragmentSearchBeginTime = sqlFragmentContainerBeginTime;
sqlFragmentSearchEndTime = NS_LITERAL_CSTRING(
"(strftime('%s','now','localtime','start of day','-2 days','utc')*1000000)");
break;
case 3:
// This month
history->GetStringFromName(
MOZ_UTF16("finduri-AgeInMonths-is-0"), dateName);
// From start of this month
sqlFragmentContainerBeginTime = NS_LITERAL_CSTRING(
"(strftime('%s','now','localtime','start of month','utc')*1000000)");
// To now (tomorrow)
sqlFragmentContainerEndTime = NS_LITERAL_CSTRING(
"(strftime('%s','now','localtime','start of day','+1 day','utc')*1000000)");
// This is an overlapped container, but we show it only if there are
// visits older than 7 days ago.
sqlFragmentSearchBeginTime = sqlFragmentContainerBeginTime;
sqlFragmentSearchEndTime = NS_LITERAL_CSTRING(
"(strftime('%s','now','localtime','start of day','-7 days','utc')*1000000)");
break;
default:
if (i == HISTORY_ADDITIONAL_DATE_CONT_NUM + 6) {
// Older than 6 months
history->GetAgeInDaysString(6,
MOZ_UTF16("finduri-AgeInMonths-isgreater"), dateName);
// From start of epoch
sqlFragmentContainerBeginTime = NS_LITERAL_CSTRING(
"(datetime(0, 'unixepoch')*1000000)");
// To start of 6 months ago ( 5 months + this month).
sqlFragmentContainerEndTime = NS_LITERAL_CSTRING(
"(strftime('%s','now','localtime','start of month','-5 months','utc')*1000000)");
// Search for the same timeframe.
sqlFragmentSearchBeginTime = sqlFragmentContainerBeginTime;
sqlFragmentSearchEndTime = sqlFragmentContainerEndTime;
break;
}
int32_t MonthIndex = i - HISTORY_ADDITIONAL_DATE_CONT_NUM;
// Previous months' titles are month's name if inside this year,
// month's name and year for previous years.
PRExplodedTime tm;
PR_ExplodeTime(PR_Now(), PR_LocalTimeParameters, &tm);
uint16_t currentYear = tm.tm_year;
// Set day before month, setting month without day could cause issues.
// For example setting month to February when today is 30, since
// February has not 30 days, will return March instead.
// Also, we use day 2 instead of day 1, so that the GMT month is always
// the same as the local month. (Bug 603002)
tm.tm_mday = 2;
tm.tm_month -= MonthIndex;
// Notice we use GMTParameters because we just want to get the first
// day of each month. Using LocalTimeParameters would instead force us
// to apply a DST correction that we don't really need here.
PR_NormalizeTime(&tm, PR_GMTParameters);
// If the container is for a past year, add the year to its title,
// otherwise just show the month name.
// Note that tm_month starts from 0, while we need a 1-based index.
if (tm.tm_year < currentYear) {
history->GetMonthYear(tm.tm_month + 1, tm.tm_year, dateName);
}
else {
history->GetMonthName(tm.tm_month + 1, dateName);
}
// From start of MonthIndex + 1 months ago
sqlFragmentContainerBeginTime = NS_LITERAL_CSTRING(
"(strftime('%s','now','localtime','start of month','-");
sqlFragmentContainerBeginTime.AppendInt(MonthIndex);
sqlFragmentContainerBeginTime.Append(NS_LITERAL_CSTRING(
" months','utc')*1000000)"));
// To start of MonthIndex months ago
sqlFragmentContainerEndTime = NS_LITERAL_CSTRING(
"(strftime('%s','now','localtime','start of month','-");
sqlFragmentContainerEndTime.AppendInt(MonthIndex - 1);
sqlFragmentContainerEndTime.Append(NS_LITERAL_CSTRING(
" months','utc')*1000000)"));
// Search for the same timeframe.
sqlFragmentSearchBeginTime = sqlFragmentContainerBeginTime;
sqlFragmentSearchEndTime = sqlFragmentContainerEndTime;
break;
}
nsPrintfCString dateParam("dayTitle%d", i);
mAddParams.Put(dateParam, dateName);
nsPrintfCString dayRange(
"SELECT :%s AS dayTitle, "
"%s AS beginTime, "
"%s AS endTime "
"WHERE EXISTS ( "
"SELECT id FROM moz_historyvisits "
"WHERE visit_date >= %s "
"AND visit_date < %s "
"AND visit_type NOT IN (0,%d,%d) "
"{QUERY_OPTIONS_VISITS} "
"LIMIT 1 "
") ",
dateParam.get(),
sqlFragmentContainerBeginTime.get(),
sqlFragmentContainerEndTime.get(),
sqlFragmentSearchBeginTime.get(),
sqlFragmentSearchEndTime.get(),
nsINavHistoryService::TRANSITION_EMBED,
nsINavHistoryService::TRANSITION_FRAMED_LINK
);
mQueryString.Append(dayRange);
if (i < HISTORY_DATE_CONT_NUM(daysOfHistory))
mQueryString.Append(NS_LITERAL_CSTRING(" UNION ALL "));
}
mQueryString.Append(NS_LITERAL_CSTRING(") ")); // TOUTER END
return NS_OK;
}
nsresult
PlacesSQLQueryBuilder::SelectAsSite()
{
nsAutoCString localFiles;
nsNavHistory *history = nsNavHistory::GetHistoryService();
NS_ENSURE_STATE(history);
history->GetStringFromName(MOZ_UTF16("localhost"), localFiles);
mAddParams.Put(NS_LITERAL_CSTRING("localhost"), localFiles);
// If there are additional conditions the query has to join on visits too.
nsAutoCString visitsJoin;
nsAutoCString additionalConditions;
nsAutoCString timeConstraints;
if (!mConditions.IsEmpty()) {
visitsJoin.AssignLiteral("JOIN moz_historyvisits v ON v.place_id = h.id ");
additionalConditions.AssignLiteral("{QUERY_OPTIONS_VISITS} "
"{QUERY_OPTIONS_PLACES} "
"{ADDITIONAL_CONDITIONS} ");
timeConstraints.AssignLiteral("||'&beginTime='||:begin_time||"
"'&endTime='||:end_time");
}
mQueryString = nsPrintfCString(
"SELECT null, 'place:type=%ld&sort=%ld&domain=&domainIsHost=true'%s, "
":localhost, :localhost, null, null, null, null, null, null, null "
"WHERE EXISTS ( "
"SELECT h.id FROM moz_places h "
"%s "
"WHERE h.hidden = 0 "
"AND h.visit_count > 0 "
"AND h.url BETWEEN 'file://' AND 'file:/~' "
"%s "
"LIMIT 1 "
") "
"UNION ALL "
"SELECT null, "
"'place:type=%ld&sort=%ld&domain='||host||'&domainIsHost=true'%s, "
"host, host, null, null, null, null, null, null, null "
"FROM ( "
"SELECT get_unreversed_host(h.rev_host) AS host "
"FROM moz_places h "
"%s "
"WHERE h.hidden = 0 "
"AND h.rev_host <> '.' "
"AND h.visit_count > 0 "
"%s "
"GROUP BY h.rev_host "
"ORDER BY host ASC "
") ",
nsINavHistoryQueryOptions::RESULTS_AS_URI,
mSortingMode,
timeConstraints.get(),
visitsJoin.get(),
additionalConditions.get(),
nsINavHistoryQueryOptions::RESULTS_AS_URI,
mSortingMode,
timeConstraints.get(),
visitsJoin.get(),
additionalConditions.get()
);
return NS_OK;
}
nsresult
PlacesSQLQueryBuilder::SelectAsTag()
{
nsNavHistory *history = nsNavHistory::GetHistoryService();
NS_ENSURE_STATE(history);
// This allows sorting by date fields what is not possible with
// other history queries.
mHasDateColumns = true;
mQueryString = nsPrintfCString(
"SELECT null, 'place:folder=' || id || '&queryType=%d&type=%ld', "
"title, null, null, null, null, null, dateAdded, "
"lastModified, null, null, null "
"FROM moz_bookmarks "
"WHERE parent = %lld",
nsINavHistoryQueryOptions::QUERY_TYPE_BOOKMARKS,
nsINavHistoryQueryOptions::RESULTS_AS_TAG_CONTENTS,
history->GetTagsFolder()
);
return NS_OK;
}
nsresult
PlacesSQLQueryBuilder::Where()
{
// Set query options
nsAutoCString additionalVisitsConditions;
nsAutoCString additionalPlacesConditions;
if (!mIncludeHidden) {
additionalPlacesConditions += NS_LITERAL_CSTRING("AND hidden = 0 ");
}
if (mQueryType == nsINavHistoryQueryOptions::QUERY_TYPE_HISTORY) {
// last_visit_date is updated for any kind of visit, so it's a good
// indicator whether the page has visits.
additionalPlacesConditions += NS_LITERAL_CSTRING(
"AND last_visit_date NOTNULL "
);
}
if (mResultType == nsINavHistoryQueryOptions::RESULTS_AS_URI &&
!additionalVisitsConditions.IsEmpty()) {
// URI results don't join on visits.
nsAutoCString tmp = additionalVisitsConditions;
additionalVisitsConditions = "AND EXISTS (SELECT 1 FROM moz_historyvisits WHERE place_id = h.id ";
additionalVisitsConditions.Append(tmp);
additionalVisitsConditions.Append("LIMIT 1)");
}
mQueryString.ReplaceSubstring("{QUERY_OPTIONS_VISITS}",
additionalVisitsConditions.get());
mQueryString.ReplaceSubstring("{QUERY_OPTIONS_PLACES}",
additionalPlacesConditions.get());
// If we used WHERE already, we inject the conditions
// in place of {ADDITIONAL_CONDITIONS}
if (mQueryString.Find("{ADDITIONAL_CONDITIONS}", 0) != kNotFound) {
nsAutoCString innerCondition;
// If we have condition AND it
if (!mConditions.IsEmpty()) {
innerCondition = " AND (";
innerCondition += mConditions;
innerCondition += ")";
}
mQueryString.ReplaceSubstring("{ADDITIONAL_CONDITIONS}",
innerCondition.get());
} else if (!mConditions.IsEmpty()) {
mQueryString += "WHERE ";
mQueryString += mConditions;
}
return NS_OK;
}
nsresult
PlacesSQLQueryBuilder::GroupBy()
{
mQueryString += mGroupBy;
return NS_OK;
}
nsresult
PlacesSQLQueryBuilder::OrderBy()
{
if (mSkipOrderBy)
return NS_OK;
// Sort clause: we will sort later, but if it comes out of the DB sorted,
// our later sort will be basically free. The DB can sort these for free
// most of the time anyway, because it has indices over these items.
switch(mSortingMode)
{
case nsINavHistoryQueryOptions::SORT_BY_NONE:
// Ensure sorting does not change based on tables status.
if (mResultType == nsINavHistoryQueryOptions::RESULTS_AS_URI) {
if (mQueryType == nsINavHistoryQueryOptions::QUERY_TYPE_BOOKMARKS)
mQueryString += NS_LITERAL_CSTRING(" ORDER BY b.id ASC ");
else if (mQueryType == nsINavHistoryQueryOptions::QUERY_TYPE_HISTORY)
mQueryString += NS_LITERAL_CSTRING(" ORDER BY h.id ASC ");
}
break;
case nsINavHistoryQueryOptions::SORT_BY_TITLE_ASCENDING:
case nsINavHistoryQueryOptions::SORT_BY_TITLE_DESCENDING:
// If the user wants few results, we limit them by date, necessitating
// a sort by date here (see the IDL definition for maxResults).
// Otherwise we will do actual sorting by title, but since we could need
// to special sort for some locale we will repeat a second sorting at the
// end in nsNavHistoryResult, that should be faster since the list will be
// almost ordered.
if (mMaxResults > 0)
OrderByColumnIndexDesc(nsNavHistory::kGetInfoIndex_VisitDate);
else if (mSortingMode == nsINavHistoryQueryOptions::SORT_BY_TITLE_ASCENDING)
OrderByTextColumnIndexAsc(nsNavHistory::kGetInfoIndex_Title);
else
OrderByTextColumnIndexDesc(nsNavHistory::kGetInfoIndex_Title);
break;
case nsINavHistoryQueryOptions::SORT_BY_DATE_ASCENDING:
OrderByColumnIndexAsc(nsNavHistory::kGetInfoIndex_VisitDate);
break;
case nsINavHistoryQueryOptions::SORT_BY_DATE_DESCENDING:
OrderByColumnIndexDesc(nsNavHistory::kGetInfoIndex_VisitDate);
break;
case nsINavHistoryQueryOptions::SORT_BY_URI_ASCENDING:
OrderByColumnIndexAsc(nsNavHistory::kGetInfoIndex_URL);
break;
case nsINavHistoryQueryOptions::SORT_BY_URI_DESCENDING:
OrderByColumnIndexDesc(nsNavHistory::kGetInfoIndex_URL);
break;
case nsINavHistoryQueryOptions::SORT_BY_VISITCOUNT_ASCENDING:
OrderByColumnIndexAsc(nsNavHistory::kGetInfoIndex_VisitCount);
break;
case nsINavHistoryQueryOptions::SORT_BY_VISITCOUNT_DESCENDING:
OrderByColumnIndexDesc(nsNavHistory::kGetInfoIndex_VisitCount);
break;
case nsINavHistoryQueryOptions::SORT_BY_DATEADDED_ASCENDING:
if (mHasDateColumns)
OrderByColumnIndexAsc(nsNavHistory::kGetInfoIndex_ItemDateAdded);
break;
case nsINavHistoryQueryOptions::SORT_BY_DATEADDED_DESCENDING:
if (mHasDateColumns)
OrderByColumnIndexDesc(nsNavHistory::kGetInfoIndex_ItemDateAdded);
break;
case nsINavHistoryQueryOptions::SORT_BY_LASTMODIFIED_ASCENDING:
if (mHasDateColumns)
OrderByColumnIndexAsc(nsNavHistory::kGetInfoIndex_ItemLastModified);
break;
case nsINavHistoryQueryOptions::SORT_BY_LASTMODIFIED_DESCENDING:
if (mHasDateColumns)
OrderByColumnIndexDesc(nsNavHistory::kGetInfoIndex_ItemLastModified);
break;
case nsINavHistoryQueryOptions::SORT_BY_TAGS_ASCENDING:
case nsINavHistoryQueryOptions::SORT_BY_TAGS_DESCENDING:
case nsINavHistoryQueryOptions::SORT_BY_ANNOTATION_ASCENDING:
case nsINavHistoryQueryOptions::SORT_BY_ANNOTATION_DESCENDING:
break; // Sort later in nsNavHistoryQueryResultNode::FillChildren()
case nsINavHistoryQueryOptions::SORT_BY_FRECENCY_ASCENDING:
OrderByColumnIndexAsc(nsNavHistory::kGetInfoIndex_Frecency);
break;
case nsINavHistoryQueryOptions::SORT_BY_FRECENCY_DESCENDING:
OrderByColumnIndexDesc(nsNavHistory::kGetInfoIndex_Frecency);
break;
default:
NS_NOTREACHED("Invalid sorting mode");
}
return NS_OK;
}
void PlacesSQLQueryBuilder::OrderByColumnIndexAsc(int32_t aIndex)
{
mQueryString += nsPrintfCString(" ORDER BY %d ASC", aIndex+1);
}
void PlacesSQLQueryBuilder::OrderByColumnIndexDesc(int32_t aIndex)
{
mQueryString += nsPrintfCString(" ORDER BY %d DESC", aIndex+1);
}
void PlacesSQLQueryBuilder::OrderByTextColumnIndexAsc(int32_t aIndex)
{
mQueryString += nsPrintfCString(" ORDER BY %d COLLATE NOCASE ASC",
aIndex+1);
}
void PlacesSQLQueryBuilder::OrderByTextColumnIndexDesc(int32_t aIndex)
{
mQueryString += nsPrintfCString(" ORDER BY %d COLLATE NOCASE DESC",
aIndex+1);
}
nsresult
PlacesSQLQueryBuilder::Limit()
{
if (mUseLimit && mMaxResults > 0) {
mQueryString += NS_LITERAL_CSTRING(" LIMIT ");
mQueryString.AppendInt(mMaxResults);
mQueryString.AppendLiteral(" ");
}
return NS_OK;
}
nsresult
nsNavHistory::ConstructQueryString(
const nsCOMArray<nsNavHistoryQuery>& aQueries,
nsNavHistoryQueryOptions* aOptions,
nsCString& queryString,
bool& aParamsPresent,
nsNavHistory::StringHash& aAddParams)
{
// For information about visit_type see nsINavHistoryService.idl.
// visitType == 0 is undefined (see bug #375777 for details).
// Some sites, especially Javascript-heavy ones, load things in frames to
// display them, resulting in a lot of these entries. This is the reason
// why such visits are filtered out.
nsresult rv;
aParamsPresent = false;
int32_t sortingMode = aOptions->SortingMode();
NS_ASSERTION(sortingMode >= nsINavHistoryQueryOptions::SORT_BY_NONE &&
sortingMode <= nsINavHistoryQueryOptions::SORT_BY_FRECENCY_DESCENDING,
"Invalid sortingMode found while building query!");
bool hasSearchTerms = false;
for (int32_t i = 0; i < aQueries.Count() && !hasSearchTerms; i++) {
aQueries[i]->GetHasSearchTerms(&hasSearchTerms);
}
nsAutoCString tagsSqlFragment;
GetTagsSqlFragment(GetTagsFolder(),
NS_LITERAL_CSTRING("h.id"),
hasSearchTerms,
tagsSqlFragment);
if (IsOptimizableHistoryQuery(aQueries, aOptions,
nsINavHistoryQueryOptions::SORT_BY_DATE_DESCENDING) ||
IsOptimizableHistoryQuery(aQueries, aOptions,
nsINavHistoryQueryOptions::SORT_BY_VISITCOUNT_DESCENDING)) {
// Generate an optimized query for the history menu and most visited
// smart bookmark.
queryString = NS_LITERAL_CSTRING(
"SELECT h.id, h.url, h.title AS page_title, h.rev_host, h.visit_count, h.last_visit_date, "
"f.url, null, null, null, null, ") +
tagsSqlFragment + NS_LITERAL_CSTRING(", h.frecency, h.hidden, h.guid "
"FROM moz_places h "
"LEFT OUTER JOIN moz_favicons f ON h.favicon_id = f.id "
"WHERE h.hidden = 0 "
"AND EXISTS (SELECT id FROM moz_historyvisits WHERE place_id = h.id "
"AND visit_type NOT IN ") +
nsPrintfCString("(0,%d,%d) ",
nsINavHistoryService::TRANSITION_EMBED,
nsINavHistoryService::TRANSITION_FRAMED_LINK) +
NS_LITERAL_CSTRING("LIMIT 1) "
"{QUERY_OPTIONS} "
);
queryString.Append(NS_LITERAL_CSTRING("ORDER BY "));
if (sortingMode == nsINavHistoryQueryOptions::SORT_BY_DATE_DESCENDING)
queryString.Append(NS_LITERAL_CSTRING("last_visit_date DESC "));
else
queryString.Append(NS_LITERAL_CSTRING("visit_count DESC "));
queryString.Append(NS_LITERAL_CSTRING("LIMIT "));
queryString.AppendInt(aOptions->MaxResults());
nsAutoCString additionalQueryOptions;
queryString.ReplaceSubstring("{QUERY_OPTIONS}",
additionalQueryOptions.get());
return NS_OK;
}
nsAutoCString conditions;
for (int32_t i = 0; i < aQueries.Count(); i++) {
nsCString queryClause;
rv = QueryToSelectClause(aQueries[i], aOptions, i, &queryClause);
NS_ENSURE_SUCCESS(rv, rv);
if (! queryClause.IsEmpty()) {
aParamsPresent = true;
if (! conditions.IsEmpty()) // exists previous clause: multiple ones are ORed
conditions += NS_LITERAL_CSTRING(" OR ");
conditions += NS_LITERAL_CSTRING("(") + queryClause +
NS_LITERAL_CSTRING(")");
}
}
// Determine whether we can push maxResults constraints into the queries
// as LIMIT, or if we need to do result count clamping later
// using FilterResultSet()
bool useLimitClause = !NeedToFilterResultSet(aQueries, aOptions);
PlacesSQLQueryBuilder queryStringBuilder(conditions, aOptions,
useLimitClause, aAddParams,
hasSearchTerms);
rv = queryStringBuilder.GetQueryString(queryString);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
PLDHashOperator BindAdditionalParameter(nsNavHistory::StringHash::KeyType aParamName,
nsCString aParamValue,
void* aStatement)
{
mozIStorageStatement* stmt = static_cast<mozIStorageStatement*>(aStatement);
nsresult rv = stmt->BindUTF8StringByName(aParamName, aParamValue);
if (NS_FAILED(rv))
return PL_DHASH_STOP;
return PL_DHASH_NEXT;
}
// nsNavHistory::GetQueryResults
//
// Call this to get the results from a complex query. This is used by
// nsNavHistoryQueryResultNode to populate its children. For simple bookmark
// queries, use nsNavBookmarks::QueryFolderChildren.
//
// THIS DOES NOT DO SORTING. You will need to sort the container yourself
// when you get the results. This is because sorting depends on tree
// statistics that will be built from the perspective of the tree. See
// nsNavHistoryQueryResultNode::FillChildren
//
// FIXME: This only does keyword searching for the first query, and does
// it ANDed with the all the rest of the queries.
nsresult
nsNavHistory::GetQueryResults(nsNavHistoryQueryResultNode *aResultNode,
const nsCOMArray<nsNavHistoryQuery>& aQueries,
nsNavHistoryQueryOptions *aOptions,
nsCOMArray<nsNavHistoryResultNode>* aResults)
{
NS_ENSURE_ARG_POINTER(aOptions);
NS_ASSERTION(aResults->Count() == 0, "Initial result array must be empty");
if (! aQueries.Count())
return NS_ERROR_INVALID_ARG;
nsCString queryString;
bool paramsPresent = false;
nsNavHistory::StringHash addParams(HISTORY_DATE_CONT_MAX);
nsresult rv = ConstructQueryString(aQueries, aOptions, queryString,
paramsPresent, addParams);
NS_ENSURE_SUCCESS(rv,rv);
// create statement
nsCOMPtr<mozIStorageStatement> statement = mDB->GetStatement(queryString);
#ifdef DEBUG
if (!statement) {
nsAutoCString lastErrorString;
(void)mDB->MainConn()->GetLastErrorString(lastErrorString);
int32_t lastError = 0;
(void)mDB->MainConn()->GetLastError(&lastError);
printf("Places failed to create a statement from this query:\n%s\nStorage error (%d): %s\n",
queryString.get(), lastError, lastErrorString.get());
}
#endif
NS_ENSURE_STATE(statement);
mozStorageStatementScoper scoper(statement);
if (paramsPresent) {
// bind parameters
int32_t i;
for (i = 0; i < aQueries.Count(); i++) {
rv = BindQueryClauseParameters(statement, i, aQueries[i], aOptions);
NS_ENSURE_SUCCESS(rv, rv);
}
}
addParams.EnumerateRead(BindAdditionalParameter, statement.get());
// Optimize the case where there is no need for any post-query filtering.
if (NeedToFilterResultSet(aQueries, aOptions)) {
// Generate the top-level results.
nsCOMArray<nsNavHistoryResultNode> toplevel;
rv = ResultsAsList(statement, aOptions, &toplevel);
NS_ENSURE_SUCCESS(rv, rv);
FilterResultSet(aResultNode, toplevel, aResults, aQueries, aOptions);
} else {
rv = ResultsAsList(statement, aOptions, aResults);
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}
// nsNavHistory::AddObserver
NS_IMETHODIMP
nsNavHistory::AddObserver(nsINavHistoryObserver* aObserver, bool aOwnsWeak)
{
NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
NS_ENSURE_ARG(aObserver);
return mObservers.AppendWeakElement(aObserver, aOwnsWeak);
}
// nsNavHistory::RemoveObserver
NS_IMETHODIMP
nsNavHistory::RemoveObserver(nsINavHistoryObserver* aObserver)
{
NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
NS_ENSURE_ARG(aObserver);
return mObservers.RemoveWeakElement(aObserver);
}
// nsNavHistory::BeginUpdateBatch
// See RunInBatchMode
nsresult
nsNavHistory::BeginUpdateBatch()
{
if (mBatchLevel++ == 0) {
mBatchDBTransaction = new mozStorageTransaction(mDB->MainConn(), false);
NOTIFY_OBSERVERS(mCanNotify, mCacheObservers, mObservers,
nsINavHistoryObserver, OnBeginUpdateBatch());
}
return NS_OK;
}
// nsNavHistory::EndUpdateBatch
nsresult
nsNavHistory::EndUpdateBatch()
{
if (--mBatchLevel == 0) {
if (mBatchDBTransaction) {
DebugOnly<nsresult> rv = mBatchDBTransaction->Commit();
NS_WARN_IF_FALSE(NS_SUCCEEDED(rv), "Batch failed to commit transaction");
delete mBatchDBTransaction;
mBatchDBTransaction = nullptr;
}
NOTIFY_OBSERVERS(mCanNotify, mCacheObservers, mObservers,
nsINavHistoryObserver, OnEndUpdateBatch());
}
return NS_OK;
}
NS_IMETHODIMP
nsNavHistory::RunInBatchMode(nsINavHistoryBatchCallback* aCallback,
nsISupports* aUserData)
{
NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
NS_ENSURE_ARG(aCallback);
UpdateBatchScoper batch(*this);
return aCallback->RunBatched(aUserData);
}
NS_IMETHODIMP
nsNavHistory::GetHistoryDisabled(bool *_retval)
{
NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
NS_ENSURE_ARG_POINTER(_retval);
*_retval = IsHistoryDisabled();
return NS_OK;
}
// Browser history *************************************************************
// nsNavHistory::RemovePagesInternal
//
// Deletes a list of placeIds from history.
// This is an internal method used by RemovePages, RemovePagesFromHost and
// RemovePagesByTimeframe.
// Takes a comma separated list of place ids.
// This method does not do any observer notification.
nsresult
nsNavHistory::RemovePagesInternal(const nsCString& aPlaceIdsQueryString)
{
// Return early if there is nothing to delete.
if (aPlaceIdsQueryString.IsEmpty())
return NS_OK;
mozStorageTransaction transaction(mDB->MainConn(), false);
// Delete all visits for the specified place ids.
nsresult rv = mDB->MainConn()->ExecuteSimpleSQL(
NS_LITERAL_CSTRING(
"DELETE FROM moz_historyvisits WHERE place_id IN (") +
aPlaceIdsQueryString +
NS_LITERAL_CSTRING(")")
);
NS_ENSURE_SUCCESS(rv, rv);
rv = CleanupPlacesOnVisitsDelete(aPlaceIdsQueryString);
NS_ENSURE_SUCCESS(rv, rv);
// Invalidate the cached value for whether there's history or not.
mDaysOfHistory = -1;
return transaction.Commit();
}
/**
* Performs cleanup on places that just had all their visits removed, including
* deletion of those places. This is an internal method used by
* RemovePagesInternal and RemoveVisitsByTimeframe. This method does not
* execute in a transaction, so callers should make sure they begin one if
* needed.
*
* @param aPlaceIdsQueryString
* A comma-separated list of place IDs, each of which just had all its
* visits removed
*/
nsresult
nsNavHistory::CleanupPlacesOnVisitsDelete(const nsCString& aPlaceIdsQueryString)
{
// Return early if there is nothing to delete.
if (aPlaceIdsQueryString.IsEmpty())
return NS_OK;
// Collect about-to-be-deleted URIs to notify onDeleteURI.
nsCOMPtr<mozIStorageStatement> stmt = mDB->GetStatement(NS_LITERAL_CSTRING(
"SELECT h.id, h.url, h.guid, "
"(SUBSTR(h.url, 1, 6) <> 'place:' "
" AND NOT EXISTS (SELECT b.id FROM moz_bookmarks b "
"WHERE b.fk = h.id LIMIT 1)) as whole_entry "
"FROM moz_places h "
"WHERE h.id IN ( ") + aPlaceIdsQueryString + NS_LITERAL_CSTRING(")")
);
NS_ENSURE_STATE(stmt);
mozStorageStatementScoper scoper(stmt);
nsCString filteredPlaceIds;
nsCOMArray<nsIURI> URIs;
nsTArray<nsCString> GUIDs;
bool hasMore;
while (NS_SUCCEEDED(stmt->ExecuteStep(&hasMore)) && hasMore) {
int64_t placeId;
nsresult rv = stmt->GetInt64(0, &placeId);
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString URLString;
rv = stmt->GetUTF8String(1, URLString);
nsCString guid;
rv = stmt->GetUTF8String(2, guid);
int32_t wholeEntry;
rv = stmt->GetInt32(3, &wholeEntry);
nsCOMPtr<nsIURI> uri;
rv = NS_NewURI(getter_AddRefs(uri), URLString);
NS_ENSURE_SUCCESS(rv, rv);
if (wholeEntry) {
if (!filteredPlaceIds.IsEmpty()) {
filteredPlaceIds.AppendLiteral(",");
}
filteredPlaceIds.AppendInt(placeId);
URIs.AppendObject(uri);
GUIDs.AppendElement(guid);
}
else {
// Notify that we will delete all visits for this page, but not the page
// itself, since it's bookmarked or a place: query.
NOTIFY_OBSERVERS(mCanNotify, mCacheObservers, mObservers,
nsINavHistoryObserver,
OnDeleteVisits(uri, 0, guid, nsINavHistoryObserver::REASON_DELETED, 0));
}
}
// if the entry is not bookmarked and is not a place: uri
// then we can remove it from moz_places.
// Note that we do NOT delete favicons. Any unreferenced favicons will be
// deleted next time the browser is shut down.
nsresult rv = mDB->MainConn()->ExecuteSimpleSQL(
NS_LITERAL_CSTRING(
"DELETE FROM moz_places WHERE id IN ( "
) + filteredPlaceIds + NS_LITERAL_CSTRING(
") "
)
);
NS_ENSURE_SUCCESS(rv, rv);
// Invalidate frecencies of touched places, since they need recalculation.
rv = invalidateFrecencies(aPlaceIdsQueryString);
NS_ENSURE_SUCCESS(rv, rv);
// Finally notify about the removed URIs.
for (int32_t i = 0; i < URIs.Count(); ++i) {
NOTIFY_OBSERVERS(mCanNotify, mCacheObservers, mObservers,
nsINavHistoryObserver,
OnDeleteURI(URIs[i], GUIDs[i], nsINavHistoryObserver::REASON_DELETED));
}
return NS_OK;
}
// nsNavHistory::RemovePages
//
// Removes a bunch of uris from history.
// Has better performance than RemovePage when deleting a lot of history.
// We don't do duplicates removal, URIs array should be cleaned-up before.
NS_IMETHODIMP
nsNavHistory::RemovePages(nsIURI **aURIs, uint32_t aLength)
{
NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
NS_ENSURE_ARG(aURIs);
nsresult rv;
// build a list of place ids to delete
nsCString deletePlaceIdsQueryString;
for (uint32_t i = 0; i < aLength; i++) {
int64_t placeId;
nsAutoCString guid;
rv = GetIdForPage(aURIs[i], &placeId, guid);
NS_ENSURE_SUCCESS(rv, rv);
if (placeId != 0) {
if (!deletePlaceIdsQueryString.IsEmpty())
deletePlaceIdsQueryString.AppendLiteral(",");
deletePlaceIdsQueryString.AppendInt(placeId);
}
}
UpdateBatchScoper batch(*this); // sends Begin/EndUpdateBatch to observers
rv = RemovePagesInternal(deletePlaceIdsQueryString);
NS_ENSURE_SUCCESS(rv, rv);
// Clear the registered embed visits.
clearEmbedVisits();
return NS_OK;
}
// nsNavHistory::RemovePage
//
// Removes all visits and the main history entry for the given URI.
// Silently fails if we have no knowledge of the page.
NS_IMETHODIMP
nsNavHistory::RemovePage(nsIURI *aURI)
{
NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
NS_ENSURE_ARG(aURI);
// Build a list of place ids to delete.
int64_t placeId;
nsAutoCString guid;
nsresult rv = GetIdForPage(aURI, &placeId, guid);
NS_ENSURE_SUCCESS(rv, rv);
if (placeId == 0) {
return NS_OK;
}
nsAutoCString deletePlaceIdQueryString;
deletePlaceIdQueryString.AppendInt(placeId);
rv = RemovePagesInternal(deletePlaceIdQueryString);
NS_ENSURE_SUCCESS(rv, rv);
// Clear the registered embed visits.
clearEmbedVisits();
return NS_OK;
}
// nsNavHistory::RemovePagesFromHost
//
// This function will delete all history information about pages from a
// given host. If aEntireDomain is set, we will also delete pages from
// sub hosts (so if we are passed in "microsoft.com" we delete
// "www.microsoft.com", "msdn.microsoft.com", etc.). An empty host name
// means local files and anything else with no host name. You can also pass
// in the localized "(local files)" title given to you from a history query.
//
// Silently fails if we have no knowledge of the host.
//
// This sends onBeginUpdateBatch/onEndUpdateBatch to observers
NS_IMETHODIMP
nsNavHistory::RemovePagesFromHost(const nsACString& aHost, bool aEntireDomain)
{
NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
nsresult rv;
// Local files don't have any host name. We don't want to delete all files in
// history when we get passed an empty string, so force to exact match
if (aHost.IsEmpty())
aEntireDomain = false;
// translate "(local files)" to an empty host name
// be sure to use the TitleForDomain to get the localized name
nsCString localFiles;
TitleForDomain(EmptyCString(), localFiles);
nsAutoString host16;
if (!aHost.Equals(localFiles))
CopyUTF8toUTF16(aHost, host16);
// nsISupports version of the host string for passing to observers
nsCOMPtr<nsISupportsString> hostSupports(do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID, &rv));
NS_ENSURE_SUCCESS(rv, rv);
rv = hostSupports->SetData(host16);
NS_ENSURE_SUCCESS(rv, rv);
// see BindQueryClauseParameters for how this host selection works
nsAutoString revHostDot;
GetReversedHostname(host16, revHostDot);
NS_ASSERTION(revHostDot[revHostDot.Length() - 1] == '.', "Invalid rev. host");
nsAutoString revHostSlash(revHostDot);
revHostSlash.Truncate(revHostSlash.Length() - 1);
revHostSlash.Append(NS_LITERAL_STRING("/"));
// build condition string based on host selection type
nsAutoCString conditionString;
if (aEntireDomain)
conditionString.AssignLiteral("rev_host >= ?1 AND rev_host < ?2 ");
else
conditionString.AssignLiteral("rev_host = ?1 ");
// create statement depending on delete type
nsCOMPtr<mozIStorageStatement> statement = mDB->GetStatement(
NS_LITERAL_CSTRING("SELECT id FROM moz_places WHERE ") + conditionString
);
NS_ENSURE_STATE(statement);
mozStorageStatementScoper scoper(statement);
rv = statement->BindStringByIndex(0, revHostDot);
NS_ENSURE_SUCCESS(rv, rv);
if (aEntireDomain) {
rv = statement->BindStringByIndex(1, revHostSlash);
NS_ENSURE_SUCCESS(rv, rv);
}
nsCString hostPlaceIds;
bool hasMore = false;
while (NS_SUCCEEDED(statement->ExecuteStep(&hasMore)) && hasMore) {
if (!hostPlaceIds.IsEmpty())
hostPlaceIds.AppendLiteral(",");
int64_t placeId;
rv = statement->GetInt64(0, &placeId);
NS_ENSURE_SUCCESS(rv, rv);
hostPlaceIds.AppendInt(placeId);
}
// force a full refresh calling onEndUpdateBatch (will call Refresh())
UpdateBatchScoper batch(*this); // sends Begin/EndUpdateBatch to observers
rv = RemovePagesInternal(hostPlaceIds);
NS_ENSURE_SUCCESS(rv, rv);
// Clear the registered embed visits.
clearEmbedVisits();
return NS_OK;
}
// nsNavHistory::RemovePagesByTimeframe
//
// This function will delete all history information about
// pages for a given timeframe.
// Limits are included: aBeginTime <= timeframe <= aEndTime
//
// This method sends onBeginUpdateBatch/onEndUpdateBatch to observers
NS_IMETHODIMP
nsNavHistory::RemovePagesByTimeframe(PRTime aBeginTime, PRTime aEndTime)
{
NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
nsresult rv;
// build a list of place ids to delete
nsCString deletePlaceIdsQueryString;
// we only need to know if a place has a visit into the given timeframe
// this query is faster than actually selecting in moz_historyvisits
nsCOMPtr<mozIStorageStatement> selectByTime = mDB->GetStatement(
"SELECT h.id FROM moz_places h WHERE "
"EXISTS "
"(SELECT id FROM moz_historyvisits v WHERE v.place_id = h.id "
"AND v.visit_date >= :from_date AND v.visit_date <= :to_date LIMIT 1)"
);
NS_ENSURE_STATE(selectByTime);
mozStorageStatementScoper selectByTimeScoper(selectByTime);
rv = selectByTime->BindInt64ByName(NS_LITERAL_CSTRING("from_date"), aBeginTime);
NS_ENSURE_SUCCESS(rv, rv);
rv = selectByTime->BindInt64ByName(NS_LITERAL_CSTRING("to_date"), aEndTime);
NS_ENSURE_SUCCESS(rv, rv);
bool hasMore = false;
while (NS_SUCCEEDED(selectByTime->ExecuteStep(&hasMore)) && hasMore) {
int64_t placeId;
rv = selectByTime->GetInt64(0, &placeId);
NS_ENSURE_SUCCESS(rv, rv);
if (placeId != 0) {
if (!deletePlaceIdsQueryString.IsEmpty())
deletePlaceIdsQueryString.AppendLiteral(",");
deletePlaceIdsQueryString.AppendInt(placeId);
}
}
// force a full refresh calling onEndUpdateBatch (will call Refresh())
UpdateBatchScoper batch(*this); // sends Begin/EndUpdateBatch to observers
rv = RemovePagesInternal(deletePlaceIdsQueryString);
NS_ENSURE_SUCCESS(rv, rv);
// Clear the registered embed visits.
clearEmbedVisits();
return NS_OK;
}
/**
* Removes all visits in a given timeframe. Limits are included:
* aBeginTime <= timeframe <= aEndTime. Any place that becomes unvisited
* as a result will also be deleted.
*
* Note that removal is performed in batch, so observers will not be
* notified of individual places that are deleted. Instead they will be
* notified onBeginUpdateBatch and onEndUpdateBatch.
*
* @param aBeginTime
* The start of the timeframe, inclusive
* @param aEndTime
* The end of the timeframe, inclusive
*/
NS_IMETHODIMP
nsNavHistory::RemoveVisitsByTimeframe(PRTime aBeginTime, PRTime aEndTime)
{
NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
nsresult rv;
// Build a list of place IDs whose visits fall entirely within the timespan.
// These places will be deleted by the call to CleanupPlacesOnVisitsDelete
// below.
nsCString deletePlaceIdsQueryString;
{
nsCOMPtr<mozIStorageStatement> selectByTime = mDB->GetStatement(
"SELECT place_id "
"FROM moz_historyvisits "
"WHERE :from_date <= visit_date AND visit_date <= :to_date "
"EXCEPT "
"SELECT place_id "
"FROM moz_historyvisits "
"WHERE visit_date < :from_date OR :to_date < visit_date"
);
NS_ENSURE_STATE(selectByTime);
mozStorageStatementScoper selectByTimeScoper(selectByTime);
rv = selectByTime->BindInt64ByName(NS_LITERAL_CSTRING("from_date"), aBeginTime);
NS_ENSURE_SUCCESS(rv, rv);
rv = selectByTime->BindInt64ByName(NS_LITERAL_CSTRING("to_date"), aEndTime);
NS_ENSURE_SUCCESS(rv, rv);
bool hasMore = false;
while (NS_SUCCEEDED(selectByTime->ExecuteStep(&hasMore)) && hasMore) {
int64_t placeId;
rv = selectByTime->GetInt64(0, &placeId);
NS_ENSURE_SUCCESS(rv, rv);
// placeId should not be <= 0, but be defensive.
if (placeId > 0) {
if (!deletePlaceIdsQueryString.IsEmpty())
deletePlaceIdsQueryString.AppendLiteral(",");
deletePlaceIdsQueryString.AppendInt(placeId);
}
}
}
// force a full refresh calling onEndUpdateBatch (will call Refresh())
UpdateBatchScoper batch(*this); // sends Begin/EndUpdateBatch to observers
mozStorageTransaction transaction(mDB->MainConn(), false);
// Delete all visits within the timeframe.
nsCOMPtr<mozIStorageStatement> deleteVisitsStmt = mDB->GetStatement(
"DELETE FROM moz_historyvisits "
"WHERE :from_date <= visit_date AND visit_date <= :to_date"
);
NS_ENSURE_STATE(deleteVisitsStmt);
mozStorageStatementScoper deletevisitsScoper(deleteVisitsStmt);
rv = deleteVisitsStmt->BindInt64ByName(NS_LITERAL_CSTRING("from_date"), aBeginTime);
NS_ENSURE_SUCCESS(rv, rv);
rv = deleteVisitsStmt->BindInt64ByName(NS_LITERAL_CSTRING("to_date"), aEndTime);
NS_ENSURE_SUCCESS(rv, rv);
rv = deleteVisitsStmt->Execute();
NS_ENSURE_SUCCESS(rv, rv);
rv = CleanupPlacesOnVisitsDelete(deletePlaceIdsQueryString);
NS_ENSURE_SUCCESS(rv, rv);
rv = transaction.Commit();
NS_ENSURE_SUCCESS(rv, rv);
// Clear the registered embed visits.
clearEmbedVisits();
// Invalidate the cached value for whether there's history or not.
mDaysOfHistory = -1;
return NS_OK;
}
// nsNavHistory::RemoveAllPages
//
// This function is used to clear history.
NS_IMETHODIMP
nsNavHistory::RemoveAllPages()
{
NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
nsresult rv = mDB->MainConn()->ExecuteSimpleSQL(NS_LITERAL_CSTRING(
"DELETE FROM moz_historyvisits"
));
NS_ENSURE_SUCCESS(rv, rv);
// Clear the registered embed visits.
clearEmbedVisits();
// Update the cached value for whether there's history or not.
mDaysOfHistory = 0;
// Expiration will take care of orphans.
NOTIFY_OBSERVERS(mCanNotify, mCacheObservers, mObservers,
nsINavHistoryObserver, OnClearHistory());
// Invalidate frecencies for the remaining places. This must happen
// after the notification to ensure it runs enqueued to expiration.
rv = invalidateFrecencies(EmptyCString());
NS_WARN_IF_FALSE(NS_SUCCEEDED(rv), "failed to fix invalid frecencies");
return NS_OK;
}
// Call this method before visiting a URL in order to help determine the
// transition type of the visit.
//
// @see MarkPageAsFollowedBookmark
NS_IMETHODIMP
nsNavHistory::MarkPageAsTyped(nsIURI *aURI)
{
NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
NS_ENSURE_ARG(aURI);
// don't add when history is disabled
if (IsHistoryDisabled())
return NS_OK;
nsAutoCString uriString;
nsresult rv = aURI->GetSpec(uriString);
NS_ENSURE_SUCCESS(rv, rv);
// if URL is already in the typed queue, then we need to remove the old one
int64_t unusedEventTime;
if (mRecentTyped.Get(uriString, &unusedEventTime))
mRecentTyped.Remove(uriString);
if (mRecentTyped.Count() > RECENT_EVENT_QUEUE_MAX_LENGTH)
ExpireNonrecentEvents(&mRecentTyped);
mRecentTyped.Put(uriString, GetNow());
return NS_OK;
}
// Call this method before visiting a URL in order to help determine the
// transition type of the visit.
//
// @see MarkPageAsTyped
NS_IMETHODIMP
nsNavHistory::MarkPageAsFollowedLink(nsIURI *aURI)
{
NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
NS_ENSURE_ARG(aURI);
// don't add when history is disabled
if (IsHistoryDisabled())
return NS_OK;
nsAutoCString uriString;
nsresult rv = aURI->GetSpec(uriString);
NS_ENSURE_SUCCESS(rv, rv);
// if URL is already in the links queue, then we need to remove the old one
int64_t unusedEventTime;
if (mRecentLink.Get(uriString, &unusedEventTime))
mRecentLink.Remove(uriString);
if (mRecentLink.Count() > RECENT_EVENT_QUEUE_MAX_LENGTH)
ExpireNonrecentEvents(&mRecentLink);
mRecentLink.Put(uriString, GetNow());
return NS_OK;
}
// nsNavHistory::SetCharsetForURI
//
// Sets the character-set for a URI.
// If aCharset is empty remove character-set annotation for aURI.
NS_IMETHODIMP
nsNavHistory::SetCharsetForURI(nsIURI* aURI,
const nsAString& aCharset)
{
PLACES_WARN_DEPRECATED();
NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
NS_ENSURE_ARG(aURI);
nsAnnotationService* annosvc = nsAnnotationService::GetAnnotationService();
NS_ENSURE_TRUE(annosvc, NS_ERROR_OUT_OF_MEMORY);
if (aCharset.IsEmpty()) {
// remove the current page character-set annotation
nsresult rv = annosvc->RemovePageAnnotation(aURI, CHARSET_ANNO);
NS_ENSURE_SUCCESS(rv, rv);
}
else {
// Set page character-set annotation, silently overwrite if already exists
nsresult rv = annosvc->SetPageAnnotationString(aURI, CHARSET_ANNO,
aCharset, 0,
nsAnnotationService::EXPIRE_NEVER);
if (rv == NS_ERROR_INVALID_ARG) {
// We don't have this page. Silently fail.
return NS_OK;
}
else if (NS_FAILED(rv))
return rv;
}
return NS_OK;
}
// nsNavHistory::GetCharsetForURI
//
// Get the last saved character-set for a URI.
NS_IMETHODIMP
nsNavHistory::GetCharsetForURI(nsIURI* aURI,
nsAString& aCharset)
{
PLACES_WARN_DEPRECATED();
NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
NS_ENSURE_ARG(aURI);
nsAnnotationService* annosvc = nsAnnotationService::GetAnnotationService();
NS_ENSURE_TRUE(annosvc, NS_ERROR_OUT_OF_MEMORY);
nsAutoString charset;
nsresult rv = annosvc->GetPageAnnotationString(aURI, CHARSET_ANNO, aCharset);
if (NS_FAILED(rv)) {
// be sure to return an empty string if character-set is not found
aCharset.Truncate();
}
return NS_OK;
}
NS_IMETHODIMP
nsNavHistory::GetPageTitle(nsIURI* aURI, nsAString& aTitle)
{
PLACES_WARN_DEPRECATED();
NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
NS_ENSURE_ARG(aURI);
aTitle.Truncate(0);
nsCOMPtr<mozIStorageStatement> stmt = mDB->GetStatement(
"SELECT id, url, title, rev_host, visit_count, guid "
"FROM moz_places "
"WHERE url = :page_url "
);
NS_ENSURE_STATE(stmt);
mozStorageStatementScoper scoper(stmt);
nsresult rv = URIBinder::Bind(stmt, NS_LITERAL_CSTRING("page_url"), aURI);
NS_ENSURE_SUCCESS(rv, rv);
bool hasResults = false;
rv = stmt->ExecuteStep(&hasResults);
NS_ENSURE_SUCCESS(rv, rv);
if (!hasResults) {
aTitle.SetIsVoid(true);
return NS_OK; // Not found, return a void string.
}
rv = stmt->GetString(2, aTitle);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
////////////////////////////////////////////////////////////////////////////////
//// mozIStorageVacuumParticipant
NS_IMETHODIMP
nsNavHistory::GetDatabaseConnection(mozIStorageConnection** _DBConnection)
{
return GetDBConnection(_DBConnection);
}
NS_IMETHODIMP
nsNavHistory::GetExpectedDatabasePageSize(int32_t* _expectedPageSize)
{
NS_ENSURE_STATE(mDB);
NS_ENSURE_STATE(mDB->MainConn());
return mDB->MainConn()->GetDefaultPageSize(_expectedPageSize);
}
NS_IMETHODIMP
nsNavHistory::OnBeginVacuum(bool* _vacuumGranted)
{
// TODO: Check if we have to deny the vacuum in some heavy-load case.
// We could maybe want to do that during batches?
*_vacuumGranted = true;
return NS_OK;
}
NS_IMETHODIMP
nsNavHistory::OnEndVacuum(bool aSucceeded)
{
NS_WARN_IF_FALSE(aSucceeded, "Places.sqlite vacuum failed.");
return NS_OK;
}
////////////////////////////////////////////////////////////////////////////////
//// nsPIPlacesDatabase
NS_IMETHODIMP
nsNavHistory::GetDBConnection(mozIStorageConnection **_DBConnection)
{
NS_ENSURE_ARG_POINTER(_DBConnection);
nsRefPtr<mozIStorageConnection> connection = mDB->MainConn();
connection.forget(_DBConnection);
return NS_OK;
}
NS_IMETHODIMP
nsNavHistory::AsyncExecuteLegacyQueries(nsINavHistoryQuery** aQueries,
uint32_t aQueryCount,
nsINavHistoryQueryOptions* aOptions,
mozIStorageStatementCallback* aCallback,
mozIStoragePendingStatement** _stmt)
{
NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
NS_ENSURE_ARG(aQueries);
NS_ENSURE_ARG(aOptions);
NS_ENSURE_ARG(aCallback);
NS_ENSURE_ARG_POINTER(_stmt);
nsCOMArray<nsNavHistoryQuery> queries;
for (uint32_t i = 0; i < aQueryCount; i ++) {
nsCOMPtr<nsNavHistoryQuery> query = do_QueryInterface(aQueries[i]);
NS_ENSURE_STATE(query);
queries.AppendObject(query);
}
NS_ENSURE_ARG_MIN(queries.Count(), 1);
nsCOMPtr<nsNavHistoryQueryOptions> options = do_QueryInterface(aOptions);
NS_ENSURE_ARG(options);
nsCString queryString;
bool paramsPresent = false;
nsNavHistory::StringHash addParams(HISTORY_DATE_CONT_MAX);
nsresult rv = ConstructQueryString(queries, options, queryString,
paramsPresent, addParams);
NS_ENSURE_SUCCESS(rv,rv);
nsCOMPtr<mozIStorageAsyncStatement> statement =
mDB->GetAsyncStatement(queryString);
NS_ENSURE_STATE(statement);
#ifdef DEBUG
if (NS_FAILED(rv)) {
nsAutoCString lastErrorString;
(void)mDB->MainConn()->GetLastErrorString(lastErrorString);
int32_t lastError = 0;
(void)mDB->MainConn()->GetLastError(&lastError);
printf("Places failed to create a statement from this query:\n%s\nStorage error (%d): %s\n",
queryString.get(), lastError, lastErrorString.get());
}
#endif
NS_ENSURE_SUCCESS(rv, rv);
if (paramsPresent) {
// bind parameters
int32_t i;
for (i = 0; i < queries.Count(); i++) {
rv = BindQueryClauseParameters(statement, i, queries[i], options);
NS_ENSURE_SUCCESS(rv, rv);
}
}
addParams.EnumerateRead(BindAdditionalParameter, statement.get());
rv = statement->ExecuteAsync(aCallback, _stmt);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
// nsPIPlacesHistoryListenersNotifier ******************************************
NS_IMETHODIMP
nsNavHistory::NotifyOnPageExpired(nsIURI *aURI, PRTime aVisitTime,
bool aWholeEntry, const nsACString& aGUID,
uint16_t aReason, uint32_t aTransitionType)
{
// Invalidate the cached value for whether there's history or not.
mDaysOfHistory = -1;
MOZ_ASSERT(!aGUID.IsEmpty());
if (aWholeEntry) {
// Notify our observers that the page has been removed.
NOTIFY_OBSERVERS(mCanNotify, mCacheObservers, mObservers,
nsINavHistoryObserver, OnDeleteURI(aURI, aGUID, aReason));
}
else {
// Notify our observers that some visits for the page have been removed.
NOTIFY_OBSERVERS(mCanNotify, mCacheObservers, mObservers,
nsINavHistoryObserver,
OnDeleteVisits(aURI, aVisitTime, aGUID, aReason,
aTransitionType));
}
return NS_OK;
}
////////////////////////////////////////////////////////////////////////////////
//// nsIObserver
NS_IMETHODIMP
nsNavHistory::Observe(nsISupports *aSubject, const char *aTopic,
const char16_t *aData)
{
NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
if (strcmp(aTopic, TOPIC_PROFILE_TEARDOWN) == 0 ||
strcmp(aTopic, TOPIC_PROFILE_CHANGE) == 0) {
// These notifications are used by tests to simulate a Places shutdown.
// They should just be forwarded to the Database handle.
mDB->Observe(aSubject, aTopic, aData);
}
else if (strcmp(aTopic, TOPIC_PLACES_CONNECTION_CLOSED) == 0) {
// Don't even try to notify observers from this point on, the category
// cache would init services that could try to use our APIs.
mCanNotify = false;
}
#ifdef MOZ_XUL
else if (strcmp(aTopic, TOPIC_AUTOCOMPLETE_FEEDBACK_INCOMING) == 0) {
nsCOMPtr<nsIAutoCompleteInput> input = do_QueryInterface(aSubject);
if (!input)
return NS_OK;
// If the source is a private window, don't add any input history.
bool isPrivate;
nsresult rv = input->GetInPrivateContext(&isPrivate);
NS_ENSURE_SUCCESS(rv, rv);
if (isPrivate)
return NS_OK;
nsCOMPtr<nsIAutoCompletePopup> popup;
input->GetPopup(getter_AddRefs(popup));
if (!popup)
return NS_OK;
nsCOMPtr<nsIAutoCompleteController> controller;
input->GetController(getter_AddRefs(controller));
if (!controller)
return NS_OK;
// Don't bother if the popup is closed
bool open;
rv = popup->GetPopupOpen(&open);
NS_ENSURE_SUCCESS(rv, rv);
if (!open)
return NS_OK;
// Ignore if nothing selected from the popup
int32_t selectedIndex;
rv = popup->GetSelectedIndex(&selectedIndex);
NS_ENSURE_SUCCESS(rv, rv);
if (selectedIndex == -1)
return NS_OK;
rv = AutoCompleteFeedback(selectedIndex, controller);
NS_ENSURE_SUCCESS(rv, rv);
}
#endif
else if (strcmp(aTopic, TOPIC_PREF_CHANGED) == 0) {
LoadPrefs();
}
else if (strcmp(aTopic, TOPIC_IDLE_DAILY) == 0) {
(void)DecayFrecency();
}
return NS_OK;
}
namespace {
class DecayFrecencyCallback : public AsyncStatementTelemetryTimer
{
public:
DecayFrecencyCallback()
: AsyncStatementTelemetryTimer(Telemetry::PLACES_IDLE_FRECENCY_DECAY_TIME_MS)
{
}
NS_IMETHOD HandleCompletion(uint16_t aReason)
{
(void)AsyncStatementTelemetryTimer::HandleCompletion(aReason);
if (aReason == REASON_FINISHED) {
nsNavHistory *navHistory = nsNavHistory::GetHistoryService();
NS_ENSURE_STATE(navHistory);
navHistory->NotifyManyFrecenciesChanged();
}
return NS_OK;
}
};
} // anonymous namespace
nsresult
nsNavHistory::DecayFrecency()
{
nsresult rv = FixInvalidFrecencies();
NS_ENSURE_SUCCESS(rv, rv);
// Globally decay places frecency rankings to estimate reduced frecency
// values of pages that haven't been visited for a while, i.e., they do
// not get an updated frecency. A scaling factor of .975 results in .5 the
// original value after 28 days.
// When changing the scaling factor, ensure that the barrier in
// moz_places_afterupdate_frecency_trigger still ignores these changes.
nsCOMPtr<mozIStorageAsyncStatement> decayFrecency = mDB->GetAsyncStatement(
"UPDATE moz_places SET frecency = ROUND(frecency * .975) "
"WHERE frecency > 0"
);
NS_ENSURE_STATE(decayFrecency);
// Decay potentially unused adaptive entries (e.g. those that are at 1)
// to allow better chances for new entries that will start at 1.
nsCOMPtr<mozIStorageAsyncStatement> decayAdaptive = mDB->GetAsyncStatement(
"UPDATE moz_inputhistory SET use_count = use_count * .975"
);
NS_ENSURE_STATE(decayAdaptive);
// Delete any adaptive entries that won't help in ordering anymore.
nsCOMPtr<mozIStorageAsyncStatement> deleteAdaptive = mDB->GetAsyncStatement(
"DELETE FROM moz_inputhistory WHERE use_count < .01"
);
NS_ENSURE_STATE(deleteAdaptive);
mozIStorageBaseStatement *stmts[] = {
decayFrecency.get(),
decayAdaptive.get(),
deleteAdaptive.get()
};
nsCOMPtr<mozIStoragePendingStatement> ps;
nsRefPtr<DecayFrecencyCallback> cb = new DecayFrecencyCallback();
rv = mDB->MainConn()->ExecuteAsync(stmts, ArrayLength(stmts), cb,
getter_AddRefs(ps));
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
// Query stuff *****************************************************************
// Helper class for QueryToSelectClause
//
// This class helps to build part of the WHERE clause. It supports
// multiple queries by appending the query index to the parameter name.
// For the query with index 0 the parameter name is not altered what
// allows using this parameter in other situations (see SelectAsSite).
class ConditionBuilder
{
public:
ConditionBuilder(int32_t aQueryIndex): mQueryIndex(aQueryIndex)
{ }
ConditionBuilder& Condition(const char* aStr)
{
if (!mClause.IsEmpty())
mClause.AppendLiteral(" AND ");
Str(aStr);
return *this;
}
ConditionBuilder& Str(const char* aStr)
{
mClause.Append(' ');
mClause.Append(aStr);
mClause.Append(' ');
return *this;
}
ConditionBuilder& Param(const char* aParam)
{
mClause.Append(' ');
if (!mQueryIndex)
mClause.Append(aParam);
else
mClause += nsPrintfCString("%s%d", aParam, mQueryIndex);
mClause.Append(' ');
return *this;
}
void GetClauseString(nsCString& aResult)
{
aResult = mClause;
}
private:
int32_t mQueryIndex;
nsCString mClause;
};
// nsNavHistory::QueryToSelectClause
//
// THE BEHAVIOR SHOULD BE IN SYNC WITH BindQueryClauseParameters
//
// I don't check return values from the query object getters because there's
// no way for those to fail.
nsresult
nsNavHistory::QueryToSelectClause(nsNavHistoryQuery* aQuery, // const
nsNavHistoryQueryOptions* aOptions,
int32_t aQueryIndex,
nsCString* aClause)
{
bool hasIt;
bool excludeQueries = aOptions->ExcludeQueries();
ConditionBuilder clause(aQueryIndex);
if ((NS_SUCCEEDED(aQuery->GetHasBeginTime(&hasIt)) && hasIt) ||
(NS_SUCCEEDED(aQuery->GetHasEndTime(&hasIt)) && hasIt)) {
clause.Condition("EXISTS (SELECT 1 FROM moz_historyvisits "
"WHERE place_id = h.id");
// begin time
if (NS_SUCCEEDED(aQuery->GetHasBeginTime(&hasIt)) && hasIt)
clause.Condition("visit_date >=").Param(":begin_time");
// end time
if (NS_SUCCEEDED(aQuery->GetHasEndTime(&hasIt)) && hasIt)
clause.Condition("visit_date <=").Param(":end_time");
clause.Str(" LIMIT 1)");
}
// search terms
bool hasSearchTerms;
if (NS_SUCCEEDED(aQuery->GetHasSearchTerms(&hasSearchTerms)) && hasSearchTerms) {
// Re-use the autocomplete_match function. Setting the behavior to 0
// it can match everything and work as a nice case insensitive comparator.
clause.Condition("AUTOCOMPLETE_MATCH(").Param(":search_string")
.Str(", h.url, page_title, tags, ")
.Str(nsPrintfCString("0, 0, 0, 0, %d, 0)",
mozIPlacesAutoComplete::MATCH_ANYWHERE_UNMODIFIED).get());
// Serching by terms implicitly exclude queries.
excludeQueries = true;
}
// min and max visit count
if (aQuery->MinVisits() >= 0)
clause.Condition("h.visit_count >=").Param(":min_visits");
if (aQuery->MaxVisits() >= 0)
clause.Condition("h.visit_count <=").Param(":max_visits");
// only bookmarked, has no affect on bookmarks-only queries
if (aOptions->QueryType() != nsINavHistoryQueryOptions::QUERY_TYPE_BOOKMARKS &&
aQuery->OnlyBookmarked())
clause.Condition("EXISTS (SELECT b.fk FROM moz_bookmarks b WHERE b.type = ")
.Str(nsPrintfCString("%d", nsNavBookmarks::TYPE_BOOKMARK).get())
.Str("AND b.fk = h.id)");
// domain
if (NS_SUCCEEDED(aQuery->GetHasDomain(&hasIt)) && hasIt) {
bool domainIsHost = false;
aQuery->GetDomainIsHost(&domainIsHost);
if (domainIsHost)
clause.Condition("h.rev_host =").Param(":domain_lower");
else
// see domain setting in BindQueryClauseParameters for why we do this
clause.Condition("h.rev_host >=").Param(":domain_lower")
.Condition("h.rev_host <").Param(":domain_upper");
}
// URI
if (NS_SUCCEEDED(aQuery->GetHasUri(&hasIt)) && hasIt) {
if (aQuery->UriIsPrefix()) {
clause.Condition("h.url >= ").Param(":uri")
.Condition("h.url <= ").Param(":uri_upper");
}
else
clause.Condition("h.url =").Param(":uri");
}
// annotation
aQuery->GetHasAnnotation(&hasIt);
if (hasIt) {
clause.Condition("");
if (aQuery->AnnotationIsNot())
clause.Str("NOT");
clause.Str(
"EXISTS "
"(SELECT h.id "
"FROM moz_annos anno "
"JOIN moz_anno_attributes annoname "
"ON anno.anno_attribute_id = annoname.id "
"WHERE anno.place_id = h.id "
"AND annoname.name = ").Param(":anno").Str(")");
// annotation-based queries don't get the common conditions, so you get
// all URLs with that annotation
}
// tags
const nsTArray<nsString> &tags = aQuery->Tags();
if (tags.Length() > 0) {
clause.Condition("h.id");
if (aQuery->TagsAreNot())
clause.Str("NOT");
clause.Str(
"IN "
"(SELECT bms.fk "
"FROM moz_bookmarks bms "
"JOIN moz_bookmarks tags ON bms.parent = tags.id "
"WHERE tags.parent =").
Param(":tags_folder").
Str("AND tags.title IN (");
for (uint32_t i = 0; i < tags.Length(); ++i) {
nsPrintfCString param(":tag%d_", i);
clause.Param(param.get());
if (i < tags.Length() - 1)
clause.Str(",");
}
clause.Str(")");
if (!aQuery->TagsAreNot())
clause.Str("GROUP BY bms.fk HAVING count(*) >=").Param(":tag_count");
clause.Str(")");
}
// transitions
const nsTArray<uint32_t>& transitions = aQuery->Transitions();
for (uint32_t i = 0; i < transitions.Length(); ++i) {
nsPrintfCString param(":transition%d_", i);
clause.Condition("h.id IN (SELECT place_id FROM moz_historyvisits "
"WHERE visit_type = ")
.Param(param.get())
.Str(")");
}
// folders
const nsTArray<int64_t>& folders = aQuery->Folders();
if (folders.Length() > 0) {
nsTArray<int64_t> includeFolders;
includeFolders.AppendElements(folders);
nsNavBookmarks* bookmarks = nsNavBookmarks::GetBookmarksService();
NS_ENSURE_STATE(bookmarks);
for (nsTArray<int64_t>::size_type i = 0; i < folders.Length(); ++i) {
nsTArray<int64_t> subFolders;
if (NS_FAILED(bookmarks->GetDescendantFolders(folders[i], subFolders)))
continue;
includeFolders.AppendElements(subFolders);
}
clause.Condition("b.parent IN(");
for (nsTArray<int64_t>::size_type i = 0; i < includeFolders.Length(); ++i) {
clause.Str(nsPrintfCString("%lld", includeFolders[i]).get());
if (i < includeFolders.Length() - 1) {
clause.Str(",");
}
}
clause.Str(")");
}
if (excludeQueries) {
// Serching by terms implicitly exclude queries.
clause.Condition("NOT h.url BETWEEN 'place:' AND 'place;'");
}
clause.GetClauseString(*aClause);
return NS_OK;
}
// nsNavHistory::BindQueryClauseParameters
//
// THE BEHAVIOR SHOULD BE IN SYNC WITH QueryToSelectClause
nsresult
nsNavHistory::BindQueryClauseParameters(mozIStorageBaseStatement* statement,
int32_t aQueryIndex,
nsNavHistoryQuery* aQuery, // const
nsNavHistoryQueryOptions* aOptions)
{
nsresult rv;
bool hasIt;
// Append numbered index to param names, to replace them correctly in
// case of multiple queries. If we have just one query we don't change the
// param name though.
nsAutoCString qIndex;
if (aQueryIndex > 0)
qIndex.AppendInt(aQueryIndex);
// begin time
if (NS_SUCCEEDED(aQuery->GetHasBeginTime(&hasIt)) && hasIt) {
PRTime time = NormalizeTime(aQuery->BeginTimeReference(),
aQuery->BeginTime());
rv = statement->BindInt64ByName(
NS_LITERAL_CSTRING("begin_time") + qIndex, time);
NS_ENSURE_SUCCESS(rv, rv);
}
// end time
if (NS_SUCCEEDED(aQuery->GetHasEndTime(&hasIt)) && hasIt) {
PRTime time = NormalizeTime(aQuery->EndTimeReference(),
aQuery->EndTime());
rv = statement->BindInt64ByName(
NS_LITERAL_CSTRING("end_time") + qIndex, time
);
NS_ENSURE_SUCCESS(rv, rv);
}
// search terms
if (NS_SUCCEEDED(aQuery->GetHasSearchTerms(&hasIt)) && hasIt) {
rv = statement->BindStringByName(
NS_LITERAL_CSTRING("search_string") + qIndex,
aQuery->SearchTerms()
);
NS_ENSURE_SUCCESS(rv, rv);
}
// min and max visit count
int32_t visits = aQuery->MinVisits();
if (visits >= 0) {
rv = statement->BindInt32ByName(
NS_LITERAL_CSTRING("min_visits") + qIndex, visits
);
NS_ENSURE_SUCCESS(rv, rv);
}
visits = aQuery->MaxVisits();
if (visits >= 0) {
rv = statement->BindInt32ByName(
NS_LITERAL_CSTRING("max_visits") + qIndex, visits
);
NS_ENSURE_SUCCESS(rv, rv);
}
// domain (see GetReversedHostname for more info on reversed host names)
if (NS_SUCCEEDED(aQuery->GetHasDomain(&hasIt)) && hasIt) {
nsString revDomain;
GetReversedHostname(NS_ConvertUTF8toUTF16(aQuery->Domain()), revDomain);
if (aQuery->DomainIsHost()) {
rv = statement->BindStringByName(
NS_LITERAL_CSTRING("domain_lower") + qIndex, revDomain
);
NS_ENSURE_SUCCESS(rv, rv);
} else {
// for "mozilla.org" do query >= "gro.allizom." AND < "gro.allizom/"
// which will get everything starting with "gro.allizom." while using the
// index (using SUBSTRING() causes indexes to be discarded).
NS_ASSERTION(revDomain[revDomain.Length() - 1] == '.', "Invalid rev. host");
rv = statement->BindStringByName(
NS_LITERAL_CSTRING("domain_lower") + qIndex, revDomain
);
NS_ENSURE_SUCCESS(rv, rv);
revDomain.Truncate(revDomain.Length() - 1);
revDomain.Append(char16_t('/'));
rv = statement->BindStringByName(
NS_LITERAL_CSTRING("domain_upper") + qIndex, revDomain
);
NS_ENSURE_SUCCESS(rv, rv);
}
}
// URI
if (aQuery->Uri()) {
rv = URIBinder::Bind(
statement, NS_LITERAL_CSTRING("uri") + qIndex, aQuery->Uri()
);
NS_ENSURE_SUCCESS(rv, rv);
if (aQuery->UriIsPrefix()) {
nsAutoCString uriString;
aQuery->Uri()->GetSpec(uriString);
uriString.Append(char(0x7F)); // MAX_UTF8
rv = URIBinder::Bind(
statement, NS_LITERAL_CSTRING("uri_upper") + qIndex, uriString
);
NS_ENSURE_SUCCESS(rv, rv);
}
}
// annotation
if (!aQuery->Annotation().IsEmpty()) {
rv = statement->BindUTF8StringByName(
NS_LITERAL_CSTRING("anno") + qIndex, aQuery->Annotation()
);
NS_ENSURE_SUCCESS(rv, rv);
}
// tags
const nsTArray<nsString> &tags = aQuery->Tags();
if (tags.Length() > 0) {
for (uint32_t i = 0; i < tags.Length(); ++i) {
nsPrintfCString paramName("tag%d_", i);
NS_ConvertUTF16toUTF8 tag(tags[i]);
rv = statement->BindUTF8StringByName(paramName + qIndex, tag);
NS_ENSURE_SUCCESS(rv, rv);
}
int64_t tagsFolder = GetTagsFolder();
rv = statement->BindInt64ByName(
NS_LITERAL_CSTRING("tags_folder") + qIndex, tagsFolder
);
NS_ENSURE_SUCCESS(rv, rv);
if (!aQuery->TagsAreNot()) {
rv = statement->BindInt32ByName(
NS_LITERAL_CSTRING("tag_count") + qIndex, tags.Length()
);
NS_ENSURE_SUCCESS(rv, rv);
}
}
// transitions
const nsTArray<uint32_t>& transitions = aQuery->Transitions();
if (transitions.Length() > 0) {
for (uint32_t i = 0; i < transitions.Length(); ++i) {
nsPrintfCString paramName("transition%d_", i);
rv = statement->BindInt64ByName(paramName + qIndex, transitions[i]);
NS_ENSURE_SUCCESS(rv, rv);
}
}
return NS_OK;
}
// nsNavHistory::ResultsAsList
//
nsresult
nsNavHistory::ResultsAsList(mozIStorageStatement* statement,
nsNavHistoryQueryOptions* aOptions,
nsCOMArray<nsNavHistoryResultNode>* aResults)
{
nsresult rv;
nsCOMPtr<mozIStorageValueArray> row = do_QueryInterface(statement, &rv);
NS_ENSURE_SUCCESS(rv, rv);
bool hasMore = false;
while (NS_SUCCEEDED(statement->ExecuteStep(&hasMore)) && hasMore) {
nsRefPtr<nsNavHistoryResultNode> result;
rv = RowToResult(row, aOptions, getter_AddRefs(result));
NS_ENSURE_SUCCESS(rv, rv);
aResults->AppendObject(result);
}
return NS_OK;
}
const int64_t UNDEFINED_URN_VALUE = -1;
// Create a urn (like
// urn:places-persist:place:group=0&group=1&sort=1&type=1,,%28local%20files%29)
// to be used to persist the open state of this container in localstore.rdf
nsresult
CreatePlacesPersistURN(nsNavHistoryQueryResultNode *aResultNode,
int64_t aValue, const nsCString& aTitle, nsCString& aURN)
{
nsAutoCString uri;
nsresult rv = aResultNode->GetUri(uri);
NS_ENSURE_SUCCESS(rv, rv);
aURN.Assign(NS_LITERAL_CSTRING("urn:places-persist:"));
aURN.Append(uri);
aURN.Append(NS_LITERAL_CSTRING(","));
if (aValue != UNDEFINED_URN_VALUE)
aURN.AppendInt(aValue);
aURN.Append(NS_LITERAL_CSTRING(","));
if (!aTitle.IsEmpty()) {
nsAutoCString escapedTitle;
bool success = NS_Escape(aTitle, escapedTitle, url_XAlphas);
NS_ENSURE_TRUE(success, NS_ERROR_OUT_OF_MEMORY);
aURN.Append(escapedTitle);
}
return NS_OK;
}
int64_t
nsNavHistory::GetTagsFolder()
{
// cache our tags folder
// note, we can't do this in nsNavHistory::Init(),
// as getting the bookmarks service would initialize it.
if (mTagsFolder == -1) {
nsNavBookmarks *bookmarks = nsNavBookmarks::GetBookmarksService();
NS_ENSURE_TRUE(bookmarks, -1);
nsresult rv = bookmarks->GetTagsFolder(&mTagsFolder);
NS_ENSURE_SUCCESS(rv, -1);
}
return mTagsFolder;
}
// nsNavHistory::FilterResultSet
//
// This does some post-query-execution filtering:
// - searching on title, url and tags
// - limit count
//
// Note: changes to filtering in FilterResultSet()
// may require changes to NeedToFilterResultSet()
nsresult
nsNavHistory::FilterResultSet(nsNavHistoryQueryResultNode* aQueryNode,
const nsCOMArray<nsNavHistoryResultNode>& aSet,
nsCOMArray<nsNavHistoryResultNode>* aFiltered,
const nsCOMArray<nsNavHistoryQuery>& aQueries,
nsNavHistoryQueryOptions *aOptions)
{
// get the bookmarks service
nsNavBookmarks *bookmarks = nsNavBookmarks::GetBookmarksService();
NS_ENSURE_TRUE(bookmarks, NS_ERROR_OUT_OF_MEMORY);
// parse the search terms
nsTArray<nsTArray<nsString>*> terms;
ParseSearchTermsFromQueries(aQueries, &terms);
uint16_t resultType = aOptions->ResultType();
for (int32_t nodeIndex = 0; nodeIndex < aSet.Count(); nodeIndex++) {
// exclude-queries is implicit when searching, we're only looking at
// plan URI nodes
if (!aSet[nodeIndex]->IsURI())
continue;
// RESULTS_AS_TAG_CONTENTS returns a set ordered by place_id and
// lastModified. So, to remove duplicates, we can retain the first result
// for each uri.
if (resultType == nsINavHistoryQueryOptions::RESULTS_AS_TAG_CONTENTS &&
nodeIndex > 0 && aSet[nodeIndex]->mURI == aSet[nodeIndex-1]->mURI)
continue;
if (aSet[nodeIndex]->mItemId != -1 && aQueryNode &&
aQueryNode->mItemId == aSet[nodeIndex]->mItemId) {
continue;
}
// Append the node only if it matches one of the queries.
bool appendNode = false;
for (int32_t queryIndex = 0;
queryIndex < aQueries.Count() && !appendNode; queryIndex++) {
if (terms[queryIndex]->Length()) {
// Filter based on search terms.
// Convert title and url for the current node to UTF16 strings.
NS_ConvertUTF8toUTF16 nodeTitle(aSet[nodeIndex]->mTitle);
// Unescape the URL for search terms matching.
nsAutoCString cNodeURL(aSet[nodeIndex]->mURI);
NS_ConvertUTF8toUTF16 nodeURL(NS_UnescapeURL(cNodeURL));
// Determine if every search term matches anywhere in the title, url or
// tag.
bool matchAll = true;
for (int32_t termIndex = terms[queryIndex]->Length() - 1;
termIndex >= 0 && matchAll;
termIndex--) {
nsString& term = terms[queryIndex]->ElementAt(termIndex);
// True if any of them match; false makes us quit the loop
matchAll = CaseInsensitiveFindInReadable(term, nodeTitle) ||
CaseInsensitiveFindInReadable(term, nodeURL) ||
CaseInsensitiveFindInReadable(term, aSet[nodeIndex]->mTags);
}
// Skip the node if we don't match all terms in the title, url or tag
if (!matchAll)
continue;
}
// We passed all filters, so we can append the node to filtered results.
appendNode = true;
}
if (appendNode)
aFiltered->AppendObject(aSet[nodeIndex]);
// Stop once we have reached max results.
if (aOptions->MaxResults() > 0 &&
(uint32_t)aFiltered->Count() >= aOptions->MaxResults())
break;
}
// De-allocate the temporary matrixes.
for (int32_t i = 0; i < aQueries.Count(); i++) {
delete terms[i];
}
return NS_OK;
}
void
nsNavHistory::registerEmbedVisit(nsIURI* aURI,
int64_t aTime)
{
NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
VisitHashKey* visit = mEmbedVisits.PutEntry(aURI);
if (!visit) {
NS_WARNING("Unable to register a EMBED visit.");
return;
}
visit->visitTime = aTime;
}
bool
nsNavHistory::hasEmbedVisit(nsIURI* aURI) {
NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
return !!mEmbedVisits.GetEntry(aURI);
}
void
nsNavHistory::clearEmbedVisits() {
NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
mEmbedVisits.Clear();
}
// nsNavHistory::CheckIsRecentEvent
//
// Sees if this URL happened "recently."
//
// It is always removed from our recent list no matter what. It only counts
// as "recent" if the event happened more recently than our event
// threshold ago.
bool
nsNavHistory::CheckIsRecentEvent(RecentEventHash* hashTable,
const nsACString& url)
{
PRTime eventTime;
if (hashTable->Get(url, reinterpret_cast<int64_t*>(&eventTime))) {
hashTable->Remove(url);
if (eventTime > GetNow() - RECENT_EVENT_THRESHOLD)
return true;
return false;
}
return false;
}
// nsNavHistory::ExpireNonrecentEvents
//
// This goes through our
static PLDHashOperator
ExpireNonrecentEventsCallback(nsCStringHashKey::KeyType aKey,
int64_t& aData,
void* userArg)
{
int64_t* threshold = reinterpret_cast<int64_t*>(userArg);
if (aData < *threshold)
return PL_DHASH_REMOVE;
return PL_DHASH_NEXT;
}
void
nsNavHistory::ExpireNonrecentEvents(RecentEventHash* hashTable)
{
int64_t threshold = GetNow() - RECENT_EVENT_THRESHOLD;
hashTable->Enumerate(ExpireNonrecentEventsCallback,
reinterpret_cast<void*>(&threshold));
}
// nsNavHistory::RowToResult
//
// Here, we just have a generic row. It could be a query, URL, visit,
// or full visit.
nsresult
nsNavHistory::RowToResult(mozIStorageValueArray* aRow,
nsNavHistoryQueryOptions* aOptions,
nsNavHistoryResultNode** aResult)
{
NS_ASSERTION(aRow && aOptions && aResult, "Null pointer in RowToResult");
// URL
nsAutoCString url;
nsresult rv = aRow->GetUTF8String(kGetInfoIndex_URL, url);
NS_ENSURE_SUCCESS(rv, rv);
// title
nsAutoCString title;
rv = aRow->GetUTF8String(kGetInfoIndex_Title, title);
NS_ENSURE_SUCCESS(rv, rv);
uint32_t accessCount = aRow->AsInt32(kGetInfoIndex_VisitCount);
PRTime time = aRow->AsInt64(kGetInfoIndex_VisitDate);
// favicon
nsAutoCString favicon;
rv = aRow->GetUTF8String(kGetInfoIndex_FaviconURL, favicon);
NS_ENSURE_SUCCESS(rv, rv);
// itemId
int64_t itemId = aRow->AsInt64(kGetInfoIndex_ItemId);
int64_t parentId = -1;
if (itemId == 0) {
// This is not a bookmark. For non-bookmarks we use a -1 itemId value.
// Notice ids in sqlite tables start from 1, so itemId cannot ever be 0.
itemId = -1;
}
else {
// This is a bookmark, so it has a parent.
int64_t itemParentId = aRow->AsInt64(kGetInfoIndex_ItemParentId);
if (itemParentId > 0) {
// The Places root has parent == 0, but that item id does not really
// exist. We want to set the parent only if it's a real one.
parentId = itemParentId;
}
}
if (IsQueryURI(url)) {
// special case "place:" URIs: turn them into containers
// We should never expose the history title for query nodes if the
// bookmark-item's title is set to null (the history title may be the
// query string without the place: prefix). Thus we call getItemTitle
// explicitly. Doing this in the SQL query would be less performant since
// it should be done for all results rather than only for queries.
if (itemId != -1) {
nsNavBookmarks *bookmarks = nsNavBookmarks::GetBookmarksService();
NS_ENSURE_TRUE(bookmarks, NS_ERROR_OUT_OF_MEMORY);
rv = bookmarks->GetItemTitle(itemId, title);
NS_ENSURE_SUCCESS(rv, rv);
}
nsRefPtr<nsNavHistoryResultNode> resultNode;
rv = QueryRowToResult(itemId, url, title, accessCount, time, favicon,
getter_AddRefs(resultNode));
NS_ENSURE_SUCCESS(rv,rv);
if (aOptions->ResultType() == nsNavHistoryQueryOptions::RESULTS_AS_TAG_QUERY) {
// RESULTS_AS_TAG_QUERY has date columns
resultNode->mDateAdded = aRow->AsInt64(kGetInfoIndex_ItemDateAdded);
resultNode->mLastModified = aRow->AsInt64(kGetInfoIndex_ItemLastModified);
}
else if (resultNode->IsFolder()) {
// If it's a simple folder node (i.e. a shortcut to another folder), apply
// our options for it. However, if the parent type was tag query, we do not
// apply them, because it would not yield any results.
resultNode->GetAsContainer()->mOptions = aOptions;
}
resultNode.forget(aResult);
return rv;
} else if (aOptions->ResultType() == nsNavHistoryQueryOptions::RESULTS_AS_URI ||
aOptions->ResultType() == nsNavHistoryQueryOptions::RESULTS_AS_TAG_CONTENTS) {
nsRefPtr<nsNavHistoryResultNode> resultNode =
new nsNavHistoryResultNode(url, title, accessCount, time, favicon);
if (itemId != -1) {
resultNode->mItemId = itemId;
resultNode->mFolderId = parentId;
resultNode->mDateAdded = aRow->AsInt64(kGetInfoIndex_ItemDateAdded);
resultNode->mLastModified = aRow->AsInt64(kGetInfoIndex_ItemLastModified);
}
resultNode->mFrecency = aRow->AsInt32(kGetInfoIndex_Frecency);
resultNode->mHidden = !!aRow->AsInt32(kGetInfoIndex_Hidden);
nsAutoString tags;
rv = aRow->GetString(kGetInfoIndex_ItemTags, tags);
NS_ENSURE_SUCCESS(rv, rv);
if (!tags.IsVoid()) {
resultNode->mTags.Assign(tags);
}
rv = aRow->GetUTF8String(kGetInfoIndex_Guid, resultNode->mPageGuid);
NS_ENSURE_SUCCESS(rv, rv);
resultNode.forget(aResult);
return NS_OK;
}
if (aOptions->ResultType() == nsNavHistoryQueryOptions::RESULTS_AS_VISIT) {
nsRefPtr<nsNavHistoryResultNode> resultNode =
new nsNavHistoryResultNode(url, title, accessCount, time, favicon);
nsAutoString tags;
rv = aRow->GetString(kGetInfoIndex_ItemTags, tags);
if (!tags.IsVoid())
resultNode->mTags.Assign(tags);
rv = aRow->GetUTF8String(kGetInfoIndex_Guid, resultNode->mPageGuid);
NS_ENSURE_SUCCESS(rv, rv);
resultNode.forget(aResult);
return NS_OK;
}
return NS_ERROR_FAILURE;
}
// nsNavHistory::QueryRowToResult
//
// Called by RowToResult when the URI is a place: URI to generate the proper
// folder or query node.
nsresult
nsNavHistory::QueryRowToResult(int64_t itemId, const nsACString& aURI,
const nsACString& aTitle,
uint32_t aAccessCount, PRTime aTime,
const nsACString& aFavicon,
nsNavHistoryResultNode** aNode)
{
nsCOMArray<nsNavHistoryQuery> queries;
nsCOMPtr<nsNavHistoryQueryOptions> options;
nsresult rv = QueryStringToQueryArray(aURI, &queries,
getter_AddRefs(options));
nsRefPtr<nsNavHistoryResultNode> resultNode;
// If this failed the query does not parse correctly, let the error pass and
// handle it later.
if (NS_SUCCEEDED(rv)) {
// Check if this is a folder shortcut, so we can take a faster path.
int64_t folderId = GetSimpleBookmarksQueryFolder(queries, options);
if (folderId) {
nsNavBookmarks *bookmarks = nsNavBookmarks::GetBookmarksService();
NS_ENSURE_TRUE(bookmarks, NS_ERROR_OUT_OF_MEMORY);
rv = bookmarks->ResultNodeForContainer(folderId, options,
getter_AddRefs(resultNode));
// If this failed the shortcut is pointing to nowhere, let the error pass
// and handle it later.
if (NS_SUCCEEDED(rv)) {
// This is the query itemId, and is what is exposed by node.itemId.
resultNode->GetAsFolder()->mQueryItemId = itemId;
// Use the query item title, unless it's void (in that case use the
// concrete folder title).
if (!aTitle.IsVoid()) {
resultNode->mTitle = aTitle;
}
}
}
else {
// This is a regular query.
resultNode = new nsNavHistoryQueryResultNode(aTitle, EmptyCString(),
aTime, queries, options);
resultNode->mItemId = itemId;
}
}
if (NS_FAILED(rv)) {
NS_WARNING("Generating a generic empty node for a broken query!");
// This is a broken query, that either did not parse or points to not
// existing data. We don't want to return failure since that will kill the
// whole result. Instead make a generic empty query node.
resultNode = new nsNavHistoryQueryResultNode(aTitle, aFavicon, aURI);
resultNode->mItemId = itemId;
// This is a perf hack to generate an empty query that skips filtering.
resultNode->GetAsQuery()->Options()->SetExcludeItems(true);
}
resultNode.forget(aNode);
return NS_OK;
}
// nsNavHistory::VisitIdToResultNode
//
// Used by the query results to create new nodes on the fly when
// notifications come in. This just creates a node for the given visit ID.
nsresult
nsNavHistory::VisitIdToResultNode(int64_t visitId,
nsNavHistoryQueryOptions* aOptions,
nsNavHistoryResultNode** aResult)
{
nsAutoCString tagsFragment;
GetTagsSqlFragment(GetTagsFolder(), NS_LITERAL_CSTRING("h.id"),
true, tagsFragment);
nsCOMPtr<mozIStorageStatement> statement;
switch (aOptions->ResultType())
{
case nsNavHistoryQueryOptions::RESULTS_AS_VISIT:
case nsNavHistoryQueryOptions::RESULTS_AS_FULL_VISIT:
// visit query - want exact visit time
// Should match kGetInfoIndex_* (see GetQueryResults)
statement = mDB->GetStatement(NS_LITERAL_CSTRING(
"SELECT h.id, h.url, h.title, h.rev_host, h.visit_count, "
"v.visit_date, f.url, null, null, null, null, "
) + tagsFragment + NS_LITERAL_CSTRING(", h.frecency, h.hidden, h.guid "
"FROM moz_places h "
"JOIN moz_historyvisits v ON h.id = v.place_id "
"LEFT JOIN moz_favicons f ON h.favicon_id = f.id "
"WHERE v.id = :visit_id ")
);
break;
case nsNavHistoryQueryOptions::RESULTS_AS_URI:
// URL results - want last visit time
// Should match kGetInfoIndex_* (see GetQueryResults)
statement = mDB->GetStatement(NS_LITERAL_CSTRING(
"SELECT h.id, h.url, h.title, h.rev_host, h.visit_count, "
"h.last_visit_date, f.url, null, null, null, null, "
) + tagsFragment + NS_LITERAL_CSTRING(", h.frecency, h.hidden, h.guid "
"FROM moz_places h "
"JOIN moz_historyvisits v ON h.id = v.place_id "
"LEFT JOIN moz_favicons f ON h.favicon_id = f.id "
"WHERE v.id = :visit_id ")
);
break;
default:
// Query base types like RESULTS_AS_*_QUERY handle additions
// by registering their own observers when they are expanded.
return NS_OK;
}
NS_ENSURE_STATE(statement);
mozStorageStatementScoper scoper(statement);
nsresult rv = statement->BindInt64ByName(NS_LITERAL_CSTRING("visit_id"),
visitId);
NS_ENSURE_SUCCESS(rv, rv);
bool hasMore = false;
rv = statement->ExecuteStep(&hasMore);
NS_ENSURE_SUCCESS(rv, rv);
if (! hasMore) {
NS_NOTREACHED("Trying to get a result node for an invalid visit");
return NS_ERROR_INVALID_ARG;
}
nsCOMPtr<mozIStorageValueArray> row = do_QueryInterface(statement, &rv);
NS_ENSURE_SUCCESS(rv, rv);
return RowToResult(row, aOptions, aResult);
}
nsresult
nsNavHistory::BookmarkIdToResultNode(int64_t aBookmarkId, nsNavHistoryQueryOptions* aOptions,
nsNavHistoryResultNode** aResult)
{
nsAutoCString tagsFragment;
GetTagsSqlFragment(GetTagsFolder(), NS_LITERAL_CSTRING("h.id"),
true, tagsFragment);
// Should match kGetInfoIndex_*
nsCOMPtr<mozIStorageStatement> stmt = mDB->GetStatement(NS_LITERAL_CSTRING(
"SELECT b.fk, h.url, COALESCE(b.title, h.title), "
"h.rev_host, h.visit_count, h.last_visit_date, f.url, b.id, "
"b.dateAdded, b.lastModified, b.parent, "
) + tagsFragment + NS_LITERAL_CSTRING(", h.frecency, h.hidden, h.guid "
"FROM moz_bookmarks b "
"JOIN moz_places h ON b.fk = h.id "
"LEFT JOIN moz_favicons f ON h.favicon_id = f.id "
"WHERE b.id = :item_id ")
);
NS_ENSURE_STATE(stmt);
mozStorageStatementScoper scoper(stmt);
nsresult rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("item_id"),
aBookmarkId);
NS_ENSURE_SUCCESS(rv, rv);
bool hasMore = false;
rv = stmt->ExecuteStep(&hasMore);
NS_ENSURE_SUCCESS(rv, rv);
if (!hasMore) {
NS_NOTREACHED("Trying to get a result node for an invalid bookmark identifier");
return NS_ERROR_INVALID_ARG;
}
nsCOMPtr<mozIStorageValueArray> row = do_QueryInterface(stmt, &rv);
NS_ENSURE_SUCCESS(rv, rv);
return RowToResult(row, aOptions, aResult);
}
nsresult
nsNavHistory::URIToResultNode(nsIURI* aURI,
nsNavHistoryQueryOptions* aOptions,
nsNavHistoryResultNode** aResult)
{
nsAutoCString tagsFragment;
GetTagsSqlFragment(GetTagsFolder(), NS_LITERAL_CSTRING("h.id"),
true, tagsFragment);
// Should match kGetInfoIndex_*
nsCOMPtr<mozIStorageStatement> stmt = mDB->GetStatement(NS_LITERAL_CSTRING(
"SELECT h.id, :page_url, h.title, h.rev_host, h.visit_count, "
"h.last_visit_date, f.url, null, null, null, null, "
) + tagsFragment + NS_LITERAL_CSTRING(", h.frecency, h.hidden, h.guid "
"FROM moz_places h "
"LEFT JOIN moz_favicons f ON h.favicon_id = f.id "
"WHERE h.url = :page_url ")
);
NS_ENSURE_STATE(stmt);
mozStorageStatementScoper scoper(stmt);
nsresult rv = URIBinder::Bind(stmt, NS_LITERAL_CSTRING("page_url"), aURI);
NS_ENSURE_SUCCESS(rv, rv);
bool hasMore = false;
rv = stmt->ExecuteStep(&hasMore);
NS_ENSURE_SUCCESS(rv, rv);
if (!hasMore) {
NS_NOTREACHED("Trying to get a result node for an invalid url");
return NS_ERROR_INVALID_ARG;
}
nsCOMPtr<mozIStorageValueArray> row = do_QueryInterface(stmt, &rv);
NS_ENSURE_SUCCESS(rv, rv);
return RowToResult(row, aOptions, aResult);
}
void
nsNavHistory::SendPageChangedNotification(nsIURI* aURI,
uint32_t aChangedAttribute,
const nsAString& aNewValue,
const nsACString& aGUID)
{
MOZ_ASSERT(!aGUID.IsEmpty());
NOTIFY_OBSERVERS(mCanNotify, mCacheObservers, mObservers,
nsINavHistoryObserver,
OnPageChanged(aURI, aChangedAttribute, aNewValue, aGUID));
}
// nsNavHistory::TitleForDomain
//
// This computes the title for a given domain. Normally, this is just the
// domain name, but we specially handle empty cases to give you a nice
// localized string.
void
nsNavHistory::TitleForDomain(const nsCString& domain, nsACString& aTitle)
{
if (! domain.IsEmpty()) {
aTitle = domain;
return;
}
// use the localized one instead
GetStringFromName(MOZ_UTF16("localhost"), aTitle);
}
void
nsNavHistory::GetAgeInDaysString(int32_t aInt, const char16_t *aName,
nsACString& aResult)
{
nsIStringBundle *bundle = GetBundle();
if (bundle) {
nsAutoString intString;
intString.AppendInt(aInt);
const char16_t* strings[1] = { intString.get() };
nsXPIDLString value;
nsresult rv = bundle->FormatStringFromName(aName, strings,
1, getter_Copies(value));
if (NS_SUCCEEDED(rv)) {
CopyUTF16toUTF8(value, aResult);
return;
}
}
CopyUTF16toUTF8(nsDependentString(aName), aResult);
}
void
nsNavHistory::GetStringFromName(const char16_t *aName, nsACString& aResult)
{
nsIStringBundle *bundle = GetBundle();
if (bundle) {
nsXPIDLString value;
nsresult rv = bundle->GetStringFromName(aName, getter_Copies(value));
if (NS_SUCCEEDED(rv)) {
CopyUTF16toUTF8(value, aResult);
return;
}
}
CopyUTF16toUTF8(nsDependentString(aName), aResult);
}
void
nsNavHistory::GetMonthName(int32_t aIndex, nsACString& aResult)
{
nsIStringBundle *bundle = GetDateFormatBundle();
if (bundle) {
nsCString name = nsPrintfCString("month.%d.name", aIndex);
nsXPIDLString value;
nsresult rv = bundle->GetStringFromName(NS_ConvertUTF8toUTF16(name).get(),
getter_Copies(value));
if (NS_SUCCEEDED(rv)) {
CopyUTF16toUTF8(value, aResult);
return;
}
}
aResult = nsPrintfCString("[%d]", aIndex);
}
void
nsNavHistory::GetMonthYear(int32_t aMonth, int32_t aYear, nsACString& aResult)
{
nsIStringBundle *bundle = GetBundle();
if (bundle) {
nsAutoCString monthName;
GetMonthName(aMonth, monthName);
nsAutoString yearString;
yearString.AppendInt(aYear);
const char16_t* strings[2] = {
NS_ConvertUTF8toUTF16(monthName).get()
, yearString.get()
};
nsXPIDLString value;
if (NS_SUCCEEDED(bundle->FormatStringFromName(
MOZ_UTF16("finduri-MonthYear"), strings, 2,
getter_Copies(value)
))) {
CopyUTF16toUTF8(value, aResult);
return;
}
}
aResult.AppendLiteral("finduri-MonthYear");
}
namespace {
// GetSimpleBookmarksQueryFolder
//
// Determines if this set of queries is a simple bookmarks query for a
// folder with no other constraints. In these common cases, we can more
// efficiently compute the results.
//
// A simple bookmarks query will result in a hierarchical tree of
// bookmark items, folders and separators.
//
// Returns the folder ID if it is a simple folder query, 0 if not.
static int64_t
GetSimpleBookmarksQueryFolder(const nsCOMArray<nsNavHistoryQuery>& aQueries,
nsNavHistoryQueryOptions* aOptions)
{
if (aQueries.Count() != 1)
return 0;
nsNavHistoryQuery* query = aQueries[0];
if (query->Folders().Length() != 1)
return 0;
bool hasIt;
query->GetHasBeginTime(&hasIt);
if (hasIt)
return 0;
query->GetHasEndTime(&hasIt);
if (hasIt)
return 0;
query->GetHasDomain(&hasIt);
if (hasIt)
return 0;
query->GetHasUri(&hasIt);
if (hasIt)
return 0;
(void)query->GetHasSearchTerms(&hasIt);
if (hasIt)
return 0;
if (query->Tags().Length() > 0)
return 0;
if (aOptions->MaxResults() > 0)
return 0;
// RESULTS_AS_TAG_CONTENTS is quite similar to a folder shortcut, but it must
// not be treated like that, since it needs all query options.
if(aOptions->ResultType() == nsINavHistoryQueryOptions::RESULTS_AS_TAG_CONTENTS)
return 0;
// Don't care about onlyBookmarked flag, since specifying a bookmark
// folder is inferring onlyBookmarked.
return query->Folders()[0];
}
// ParseSearchTermsFromQueries
//
// Construct a matrix of search terms from the given queries array.
// All of the query objects are ORed together. Within a query, all the terms
// are ANDed together. See nsINavHistoryService.idl.
//
// This just breaks the query up into words. We don't do anything fancy,
// not even quoting. We do, however, strip quotes, because people might
// try to input quotes expecting them to do something and get no results
// back.
inline bool isQueryWhitespace(char16_t ch)
{
return ch == ' ';
}
void ParseSearchTermsFromQueries(const nsCOMArray<nsNavHistoryQuery>& aQueries,
nsTArray<nsTArray<nsString>*>* aTerms)
{
int32_t lastBegin = -1;
for (int32_t i = 0; i < aQueries.Count(); i++) {
nsTArray<nsString> *queryTerms = new nsTArray<nsString>();
bool hasSearchTerms;
if (NS_SUCCEEDED(aQueries[i]->GetHasSearchTerms(&hasSearchTerms)) &&
hasSearchTerms) {
const nsString& searchTerms = aQueries[i]->SearchTerms();
for (uint32_t j = 0; j < searchTerms.Length(); j++) {
if (isQueryWhitespace(searchTerms[j]) ||
searchTerms[j] == '"') {
if (lastBegin >= 0) {
// found the end of a word
queryTerms->AppendElement(Substring(searchTerms, lastBegin,
j - lastBegin));
lastBegin = -1;
}
} else {
if (lastBegin < 0) {
// found the beginning of a word
lastBegin = j;
}
}
}
// last word
if (lastBegin >= 0)
queryTerms->AppendElement(Substring(searchTerms, lastBegin));
}
aTerms->AppendElement(queryTerms);
}
}
} // anonymous namespace
nsresult
nsNavHistory::UpdateFrecency(int64_t aPlaceId)
{
nsCOMPtr<mozIStorageAsyncStatement> updateFrecencyStmt = mDB->GetAsyncStatement(
"UPDATE moz_places "
"SET frecency = NOTIFY_FRECENCY("
"CALCULATE_FRECENCY(:page_id), url, guid, hidden, last_visit_date"
") "
"WHERE id = :page_id"
);
NS_ENSURE_STATE(updateFrecencyStmt);
nsresult rv = updateFrecencyStmt->BindInt64ByName(NS_LITERAL_CSTRING("page_id"),
aPlaceId);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<mozIStorageAsyncStatement> updateHiddenStmt = mDB->GetAsyncStatement(
"UPDATE moz_places "
"SET hidden = 0 "
"WHERE id = :page_id AND frecency <> 0"
);
NS_ENSURE_STATE(updateHiddenStmt);
rv = updateHiddenStmt->BindInt64ByName(NS_LITERAL_CSTRING("page_id"),
aPlaceId);
NS_ENSURE_SUCCESS(rv, rv);
mozIStorageBaseStatement *stmts[] = {
updateFrecencyStmt.get()
, updateHiddenStmt.get()
};
nsRefPtr<AsyncStatementCallbackNotifier> cb =
new AsyncStatementCallbackNotifier(TOPIC_FRECENCY_UPDATED);
nsCOMPtr<mozIStoragePendingStatement> ps;
rv = mDB->MainConn()->ExecuteAsync(stmts, ArrayLength(stmts), cb,
getter_AddRefs(ps));
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
namespace {
class FixInvalidFrecenciesCallback : public AsyncStatementCallbackNotifier
{
public:
FixInvalidFrecenciesCallback()
: AsyncStatementCallbackNotifier(TOPIC_FRECENCY_UPDATED)
{
}
NS_IMETHOD HandleCompletion(uint16_t aReason)
{
nsresult rv = AsyncStatementCallbackNotifier::HandleCompletion(aReason);
NS_ENSURE_SUCCESS(rv, rv);
if (aReason == REASON_FINISHED) {
nsNavHistory *navHistory = nsNavHistory::GetHistoryService();
NS_ENSURE_STATE(navHistory);
navHistory->NotifyManyFrecenciesChanged();
}
return NS_OK;
}
};
} // anonymous namespace
nsresult
nsNavHistory::FixInvalidFrecencies()
{
nsCOMPtr<mozIStorageAsyncStatement> stmt = mDB->GetAsyncStatement(
"UPDATE moz_places "
"SET frecency = CALCULATE_FRECENCY(id) "
"WHERE frecency < 0"
);
NS_ENSURE_STATE(stmt);
nsRefPtr<FixInvalidFrecenciesCallback> callback =
new FixInvalidFrecenciesCallback();
nsCOMPtr<mozIStoragePendingStatement> ps;
(void)stmt->ExecuteAsync(callback, getter_AddRefs(ps));
return NS_OK;
}
#ifdef MOZ_XUL
nsresult
nsNavHistory::AutoCompleteFeedback(int32_t aIndex,
nsIAutoCompleteController *aController)
{
nsCOMPtr<mozIStorageAsyncStatement> stmt = mDB->GetAsyncStatement(
"INSERT OR REPLACE INTO moz_inputhistory "
// use_count will asymptotically approach the max of 10.
"SELECT h.id, IFNULL(i.input, :input_text), IFNULL(i.use_count, 0) * .9 + 1 "
"FROM moz_places h "
"LEFT JOIN moz_inputhistory i ON i.place_id = h.id AND i.input = :input_text "
"WHERE url = :page_url "
);
NS_ENSURE_STATE(stmt);
nsAutoString input;
nsresult rv = aController->GetSearchString(input);
NS_ENSURE_SUCCESS(rv, rv);
rv = stmt->BindStringByName(NS_LITERAL_CSTRING("input_text"), input);
NS_ENSURE_SUCCESS(rv, rv);
nsAutoString url;
rv = aController->GetValueAt(aIndex, url);
NS_ENSURE_SUCCESS(rv, rv);
rv = URIBinder::Bind(stmt, NS_LITERAL_CSTRING("page_url"),
NS_ConvertUTF16toUTF8(url));
NS_ENSURE_SUCCESS(rv, rv);
// We do the update asynchronously and we do not care about failures.
nsRefPtr<AsyncStatementCallbackNotifier> callback =
new AsyncStatementCallbackNotifier(TOPIC_AUTOCOMPLETE_FEEDBACK_UPDATED);
nsCOMPtr<mozIStoragePendingStatement> canceler;
rv = stmt->ExecuteAsync(callback, getter_AddRefs(canceler));
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
#endif
nsICollation *
nsNavHistory::GetCollation()
{
if (mCollation)
return mCollation;
// locale
nsCOMPtr<nsILocale> locale;
nsCOMPtr<nsILocaleService> ls(do_GetService(NS_LOCALESERVICE_CONTRACTID));
NS_ENSURE_TRUE(ls, nullptr);
nsresult rv = ls->GetApplicationLocale(getter_AddRefs(locale));
NS_ENSURE_SUCCESS(rv, nullptr);
// collation
nsCOMPtr<nsICollationFactory> cfact =
do_CreateInstance(NS_COLLATIONFACTORY_CONTRACTID);
NS_ENSURE_TRUE(cfact, nullptr);
rv = cfact->CreateCollation(locale, getter_AddRefs(mCollation));
NS_ENSURE_SUCCESS(rv, nullptr);
return mCollation;
}
nsIStringBundle *
nsNavHistory::GetBundle()
{
if (!mBundle) {
nsCOMPtr<nsIStringBundleService> bundleService =
services::GetStringBundleService();
NS_ENSURE_TRUE(bundleService, nullptr);
nsresult rv = bundleService->CreateBundle(
"chrome://places/locale/places.properties",
getter_AddRefs(mBundle));
NS_ENSURE_SUCCESS(rv, nullptr);
}
return mBundle;
}
nsIStringBundle *
nsNavHistory::GetDateFormatBundle()
{
if (!mDateFormatBundle) {
nsCOMPtr<nsIStringBundleService> bundleService =
services::GetStringBundleService();
NS_ENSURE_TRUE(bundleService, nullptr);
nsresult rv = bundleService->CreateBundle(
"chrome://global/locale/dateFormat.properties",
getter_AddRefs(mDateFormatBundle));
NS_ENSURE_SUCCESS(rv, nullptr);
}
return mDateFormatBundle;
}
Reference in New Issue View Git Blame Copy Permalink