1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "chrome/browser/search_engines/template_url_service.h"
10 #include "base/auto_reset.h"
11 #include "base/command_line.h"
12 #include "base/compiler_specific.h"
13 #include "base/environment.h"
14 #include "base/guid.h"
15 #include "base/i18n/case_conversion.h"
16 #include "base/memory/scoped_vector.h"
17 #include "base/metrics/histogram.h"
18 #include "base/prefs/pref_service.h"
19 #include "base/stl_util.h"
20 #include "base/strings/string_number_conversions.h"
21 #include "base/strings/string_split.h"
22 #include "base/strings/string_util.h"
23 #include "base/strings/utf_string_conversions.h"
24 #include "base/time/time.h"
25 #include "chrome/browser/chrome_notification_types.h"
26 #include "chrome/browser/extensions/extension_service.h"
27 #include "chrome/browser/google/google_url_tracker.h"
28 #include "chrome/browser/history/history_notifications.h"
29 #include "chrome/browser/history/history_service.h"
30 #include "chrome/browser/history/history_service_factory.h"
31 #include "chrome/browser/profiles/profile.h"
32 #include "chrome/browser/rlz/rlz.h"
33 #include "chrome/browser/search_engines/search_host_to_urls_map.h"
34 #include "chrome/browser/search_engines/search_terms_data.h"
35 #include "chrome/browser/search_engines/template_url.h"
36 #include "chrome/browser/search_engines/template_url_prepopulate_data.h"
37 #include "chrome/browser/search_engines/template_url_service_observer.h"
38 #include "chrome/browser/search_engines/util.h"
39 #include "chrome/browser/webdata/web_data_service.h"
40 #include "chrome/common/chrome_switches.h"
41 #include "chrome/common/env_vars.h"
42 #include "chrome/common/extensions/api/omnibox/omnibox_handler.h"
43 #include "chrome/common/net/url_fixer_upper.h"
44 #include "chrome/common/pref_names.h"
45 #include "chrome/common/url_constants.h"
46 #include "content/public/browser/notification_service.h"
47 #include "extensions/common/constants.h"
48 #include "net/base/net_util.h"
49 #include "sync/api/sync_change.h"
50 #include "sync/api/sync_error_factory.h"
51 #include "sync/protocol/search_engine_specifics.pb.h"
52 #include "sync/protocol/sync.pb.h"
53 #include "ui/base/l10n/l10n_util.h"
56 typedef SearchHostToURLsMap::TemplateURLSet TemplateURLSet;
57 typedef TemplateURLService::SyncDataMap SyncDataMap;
61 bool IdenticalSyncGUIDs(const TemplateURLData* data, const TemplateURL* turl) {
63 return !data && !turl;
65 return data->sync_guid == turl->sync_guid();
68 const char kDeleteSyncedEngineHistogramName[] =
69 "Search.DeleteSyncedSearchEngine";
71 // Values for an enumerated histogram used to track whenever an ACTION_DELETE is
72 // sent to the server for search engines.
73 enum DeleteSyncedSearchEngineEvent {
74 DELETE_ENGINE_USER_ACTION,
75 DELETE_ENGINE_PRE_SYNC,
76 DELETE_ENGINE_EMPTY_FIELD,
80 // Returns true iff the change in |change_list| at index |i| should not be sent
81 // up to the server based on its GUIDs presence in |sync_data| or when compared
82 // to changes after it in |change_list|.
84 // 1) It is an ACTION_UPDATE or ACTION_DELETE and the sync_guid associated
85 // with it is NOT found in |sync_data|. We can only update and remove
86 // entries that were originally from the Sync server.
87 // 2) It is an ACTION_ADD and the sync_guid associated with it is found in
88 // |sync_data|. We cannot re-add entries that Sync already knew about.
89 // 3) There is an update after an update for the same GUID. We prune earlier
90 // ones just to save bandwidth (Sync would normally coalesce them).
91 bool ShouldRemoveSyncChange(size_t index,
92 syncer::SyncChangeList* change_list,
93 const SyncDataMap* sync_data) {
94 DCHECK(index < change_list->size());
95 const syncer::SyncChange& change_i = (*change_list)[index];
96 const std::string guid = change_i.sync_data().GetSpecifics()
97 .search_engine().sync_guid();
98 syncer::SyncChange::SyncChangeType type = change_i.change_type();
99 if ((type == syncer::SyncChange::ACTION_UPDATE ||
100 type == syncer::SyncChange::ACTION_DELETE) &&
101 sync_data->find(guid) == sync_data->end())
103 if (type == syncer::SyncChange::ACTION_ADD &&
104 sync_data->find(guid) != sync_data->end())
106 if (type == syncer::SyncChange::ACTION_UPDATE) {
107 for (size_t j = index + 1; j < change_list->size(); j++) {
108 const syncer::SyncChange& change_j = (*change_list)[j];
109 if ((syncer::SyncChange::ACTION_UPDATE == change_j.change_type()) &&
110 (change_j.sync_data().GetSpecifics().search_engine().sync_guid() ==
118 // Remove SyncChanges that should not be sent to the server from |change_list|.
119 // This is done to eliminate incorrect SyncChanges added by the merge and
120 // conflict resolution logic when it is unsure of whether or not an entry is new
121 // from Sync or originally from the local model. This also removes changes that
122 // would be otherwise be coalesced by Sync in order to save bandwidth.
123 void PruneSyncChanges(const SyncDataMap* sync_data,
124 syncer::SyncChangeList* change_list) {
125 for (size_t i = 0; i < change_list->size(); ) {
126 if (ShouldRemoveSyncChange(i, change_list, sync_data))
127 change_list->erase(change_list->begin() + i);
133 // Helper class that reports a specific string as the Google base URL. We use
134 // this so that code can calculate a TemplateURL's previous search URL after a
135 // change to the global base URL.
136 class OldBaseURLSearchTermsData : public UIThreadSearchTermsData {
138 OldBaseURLSearchTermsData(Profile* profile, const std::string& old_base_url);
139 virtual ~OldBaseURLSearchTermsData();
141 virtual std::string GoogleBaseURLValue() const OVERRIDE;
144 std::string old_base_url;
147 OldBaseURLSearchTermsData::OldBaseURLSearchTermsData(
149 const std::string& old_base_url)
150 : UIThreadSearchTermsData(profile),
151 old_base_url(old_base_url) {
154 OldBaseURLSearchTermsData::~OldBaseURLSearchTermsData() {
157 std::string OldBaseURLSearchTermsData::GoogleBaseURLValue() const {
161 // Returns true if |turl|'s GUID is not found inside |sync_data|. This is to be
162 // used in MergeDataAndStartSyncing to differentiate between TemplateURLs from
163 // Sync and TemplateURLs that were initially local, assuming |sync_data| is the
164 // |initial_sync_data| parameter.
165 bool IsFromSync(const TemplateURL* turl, const SyncDataMap& sync_data) {
166 return !!sync_data.count(turl->sync_guid());
169 // Log the number of instances of a keyword that exist, with zero or more
170 // underscores, which could occur as the result of conflict resolution.
171 void LogDuplicatesHistogram(
172 const TemplateURLService::TemplateURLVector& template_urls) {
173 std::map<std::string, int> duplicates;
174 for (TemplateURLService::TemplateURLVector::const_iterator it =
175 template_urls.begin(); it != template_urls.end(); ++it) {
176 std::string keyword = base::UTF16ToASCII((*it)->keyword());
177 base::TrimString(keyword, "_", &keyword);
178 duplicates[keyword]++;
181 // Count the keywords with duplicates.
183 for (std::map<std::string, int>::const_iterator it = duplicates.begin();
184 it != duplicates.end(); ++it) {
189 UMA_HISTOGRAM_COUNTS_100("Search.SearchEngineDuplicateCounts", num_dupes);
195 // TemplateURLService::ExtensionKeyword ---------------------------------------
197 TemplateURLService::ExtensionKeyword::ExtensionKeyword(
198 const std::string& id,
199 const std::string& name,
200 const std::string& keyword)
202 extension_name(name),
203 extension_keyword(keyword) {
206 TemplateURLService::ExtensionKeyword::~ExtensionKeyword() {}
209 // TemplateURLService::LessWithPrefix -----------------------------------------
211 class TemplateURLService::LessWithPrefix {
213 // We want to find the set of keywords that begin with a prefix. The STL
214 // algorithms will return the set of elements that are "equal to" the
215 // prefix, where "equal(x, y)" means "!(cmp(x, y) || cmp(y, x))". When
216 // cmp() is the typical std::less<>, this results in lexicographic equality;
217 // we need to extend this to mark a prefix as "not less than" a keyword it
218 // begins, which will cause the desired elements to be considered "equal to"
219 // the prefix. Note: this is still a strict weak ordering, as required by
220 // equal_range() (though I will not prove that here).
222 // Unfortunately the calling convention is not "prefix and element" but
223 // rather "two elements", so we pass the prefix as a fake "element" which has
224 // a NULL KeywordDataElement pointer.
225 bool operator()(const KeywordToTemplateMap::value_type& elem1,
226 const KeywordToTemplateMap::value_type& elem2) const {
227 return (elem1.second == NULL) ?
228 (elem2.first.compare(0, elem1.first.length(), elem1.first) > 0) :
229 (elem1.first < elem2.first);
234 // TemplateURLService ---------------------------------------------------------
237 bool TemplateURLService::g_fallback_search_engines_disabled = false;
239 TemplateURLService::TemplateURLService(Profile* profile)
240 : provider_map_(new SearchHostToURLsMap),
245 default_search_provider_(NULL),
246 next_id_(kInvalidTemplateURLID + 1),
247 time_provider_(&base::Time::Now),
248 models_associated_(false),
249 processing_syncer_changes_(false),
250 dsp_change_origin_(DSP_CHANGE_OTHER),
251 default_search_manager_(
253 base::Bind(&TemplateURLService::OnDefaultSearchChange,
254 base::Unretained(this))) {
259 TemplateURLService::TemplateURLService(const Initializer* initializers,
261 : provider_map_(new SearchHostToURLsMap),
267 default_search_provider_(NULL),
268 next_id_(kInvalidTemplateURLID + 1),
269 time_provider_(&base::Time::Now),
270 models_associated_(false),
271 processing_syncer_changes_(false),
272 dsp_change_origin_(DSP_CHANGE_OTHER),
273 default_search_manager_(
275 base::Bind(&TemplateURLService::OnDefaultSearchChange,
276 base::Unretained(this))) {
277 Init(initializers, count);
280 TemplateURLService::~TemplateURLService() {
281 // |service_| should be deleted during Shutdown().
283 STLDeleteElements(&template_urls_);
287 bool TemplateURLService::LoadDefaultSearchProviderFromPrefs(
289 scoped_ptr<TemplateURLData>* default_provider_data,
291 if (!prefs || !prefs->HasPrefPath(prefs::kDefaultSearchProviderSearchURL) ||
292 !prefs->HasPrefPath(prefs::kDefaultSearchProviderKeyword))
295 const PrefService::Preference* pref =
296 prefs->FindPreference(prefs::kDefaultSearchProviderSearchURL);
297 *is_managed = pref && pref->IsManaged();
299 if (!prefs->GetBoolean(prefs::kDefaultSearchProviderEnabled)) {
300 // The user doesn't want a default search provider.
301 default_provider_data->reset(NULL);
305 base::string16 name =
306 base::UTF8ToUTF16(prefs->GetString(prefs::kDefaultSearchProviderName));
307 base::string16 keyword =
308 base::UTF8ToUTF16(prefs->GetString(prefs::kDefaultSearchProviderKeyword));
311 std::string search_url =
312 prefs->GetString(prefs::kDefaultSearchProviderSearchURL);
313 // Force URL to be non-empty. We've never supported this case, but past bugs
314 // might have resulted in it slipping through; eventually this code can be
315 // replaced with a DCHECK(!search_url.empty());.
316 if (search_url.empty())
318 std::string suggest_url =
319 prefs->GetString(prefs::kDefaultSearchProviderSuggestURL);
320 std::string instant_url =
321 prefs->GetString(prefs::kDefaultSearchProviderInstantURL);
322 std::string image_url =
323 prefs->GetString(prefs::kDefaultSearchProviderImageURL);
324 std::string new_tab_url =
325 prefs->GetString(prefs::kDefaultSearchProviderNewTabURL);
326 std::string search_url_post_params =
327 prefs->GetString(prefs::kDefaultSearchProviderSearchURLPostParams);
328 std::string suggest_url_post_params =
329 prefs->GetString(prefs::kDefaultSearchProviderSuggestURLPostParams);
330 std::string instant_url_post_params =
331 prefs->GetString(prefs::kDefaultSearchProviderInstantURLPostParams);
332 std::string image_url_post_params =
333 prefs->GetString(prefs::kDefaultSearchProviderImageURLPostParams);
334 std::string icon_url =
335 prefs->GetString(prefs::kDefaultSearchProviderIconURL);
336 std::string encodings =
337 prefs->GetString(prefs::kDefaultSearchProviderEncodings);
338 std::string id_string = prefs->GetString(prefs::kDefaultSearchProviderID);
339 std::string prepopulate_id =
340 prefs->GetString(prefs::kDefaultSearchProviderPrepopulateID);
341 const base::ListValue* alternate_urls =
342 prefs->GetList(prefs::kDefaultSearchProviderAlternateURLs);
343 std::string search_terms_replacement_key = prefs->GetString(
344 prefs::kDefaultSearchProviderSearchTermsReplacementKey);
346 default_provider_data->reset(new TemplateURLData);
347 (*default_provider_data)->short_name = name;
348 (*default_provider_data)->SetKeyword(keyword);
349 (*default_provider_data)->SetURL(search_url);
350 (*default_provider_data)->suggestions_url = suggest_url;
351 (*default_provider_data)->instant_url = instant_url;
352 (*default_provider_data)->image_url = image_url;
353 (*default_provider_data)->new_tab_url = new_tab_url;
354 (*default_provider_data)->search_url_post_params = search_url_post_params;
355 (*default_provider_data)->suggestions_url_post_params =
356 suggest_url_post_params;
357 (*default_provider_data)->instant_url_post_params = instant_url_post_params;
358 (*default_provider_data)->image_url_post_params = image_url_post_params;
359 (*default_provider_data)->favicon_url = GURL(icon_url);
360 (*default_provider_data)->show_in_default_list = true;
361 (*default_provider_data)->alternate_urls.clear();
362 for (size_t i = 0; i < alternate_urls->GetSize(); ++i) {
363 std::string alternate_url;
364 if (alternate_urls->GetString(i, &alternate_url))
365 (*default_provider_data)->alternate_urls.push_back(alternate_url);
367 (*default_provider_data)->search_terms_replacement_key =
368 search_terms_replacement_key;
369 base::SplitString(encodings, ';', &(*default_provider_data)->input_encodings);
370 if (!id_string.empty() && !*is_managed) {
372 base::StringToInt64(id_string, &value);
373 (*default_provider_data)->id = value;
375 if (!prepopulate_id.empty() && !*is_managed) {
377 base::StringToInt(prepopulate_id, &value);
378 (*default_provider_data)->prepopulate_id = value;
384 base::string16 TemplateURLService::GenerateKeyword(const GURL& url) {
385 DCHECK(url.is_valid());
386 // Strip "www." off the front of the keyword; otherwise the keyword won't work
387 // properly. See http://code.google.com/p/chromium/issues/detail?id=6984 .
388 // Special case: if the host was exactly "www." (not sure this can happen but
389 // perhaps with some weird intranet and custom DNS server?), ensure we at
390 // least don't return the empty string.
391 base::string16 keyword(net::StripWWWFromHost(url));
392 return keyword.empty() ? base::ASCIIToUTF16("www") : keyword;
396 base::string16 TemplateURLService::CleanUserInputKeyword(
397 const base::string16& keyword) {
398 // Remove the scheme.
399 base::string16 result(base::i18n::ToLower(keyword));
400 base::TrimWhitespace(result, base::TRIM_ALL, &result);
401 url::Component scheme_component;
402 if (url::ExtractScheme(base::UTF16ToUTF8(keyword).c_str(),
403 static_cast<int>(keyword.length()),
404 &scheme_component)) {
405 // If the scheme isn't "http" or "https", bail. The user isn't trying to
406 // type a web address, but rather an FTP, file:, or other scheme URL, or a
407 // search query with some sort of initial operator (e.g. "site:").
408 if (result.compare(0, scheme_component.end(),
409 base::ASCIIToUTF16(url::kHttpScheme)) &&
410 result.compare(0, scheme_component.end(),
411 base::ASCIIToUTF16(url::kHttpsScheme)))
412 return base::string16();
414 // Include trailing ':'.
415 result.erase(0, scheme_component.end() + 1);
416 // Many schemes usually have "//" after them, so strip it too.
417 const base::string16 after_scheme(base::ASCIIToUTF16("//"));
418 if (result.compare(0, after_scheme.length(), after_scheme) == 0)
419 result.erase(0, after_scheme.length());
422 // Remove leading "www.".
423 result = net::StripWWW(result);
425 // Remove trailing "/".
426 return (result.length() > 0 && result[result.length() - 1] == '/') ?
427 result.substr(0, result.length() - 1) : result;
431 GURL TemplateURLService::GenerateSearchURL(TemplateURL* t_url) {
433 UIThreadSearchTermsData search_terms_data(t_url->profile());
434 return GenerateSearchURLUsingTermsData(t_url, search_terms_data);
438 GURL TemplateURLService::GenerateSearchURLUsingTermsData(
439 const TemplateURL* t_url,
440 const SearchTermsData& search_terms_data) {
443 const TemplateURLRef& search_ref = t_url->url_ref();
444 if (!search_ref.IsValidUsingTermsData(search_terms_data))
447 if (!search_ref.SupportsReplacementUsingTermsData(search_terms_data))
448 return GURL(t_url->url());
450 // Use something obscure for the search terms argument so that in the rare
451 // case the term replaces the URL it's unlikely another keyword would have the
453 // TODO(jnd): Add additional parameters to get post data when the search URL
454 // has post parameters.
455 return GURL(search_ref.ReplaceSearchTermsUsingTermsData(
456 TemplateURLRef::SearchTermsArgs(
457 base::ASCIIToUTF16("blah.blah.blah.blah.blah")),
458 search_terms_data, NULL));
462 void TemplateURLService::SaveDefaultSearchProviderToPrefs(
463 const TemplateURL* t_url,
464 PrefService* prefs) {
468 bool enabled = false;
469 std::string search_url;
470 std::string suggest_url;
471 std::string instant_url;
472 std::string image_url;
473 std::string new_tab_url;
474 std::string search_url_post_params;
475 std::string suggest_url_post_params;
476 std::string instant_url_post_params;
477 std::string image_url_post_params;
478 std::string icon_url;
479 std::string encodings;
480 std::string short_name;
482 std::string id_string;
483 std::string prepopulate_id;
484 base::ListValue alternate_urls;
485 std::string search_terms_replacement_key;
487 DCHECK_EQ(TemplateURL::NORMAL, t_url->GetType());
489 search_url = t_url->url();
490 suggest_url = t_url->suggestions_url();
491 instant_url = t_url->instant_url();
492 image_url = t_url->image_url();
493 new_tab_url = t_url->new_tab_url();
494 search_url_post_params = t_url->search_url_post_params();
495 suggest_url_post_params = t_url->suggestions_url_post_params();
496 instant_url_post_params = t_url->instant_url_post_params();
497 image_url_post_params = t_url->image_url_post_params();
498 GURL icon_gurl = t_url->favicon_url();
499 if (!icon_gurl.is_empty())
500 icon_url = icon_gurl.spec();
501 encodings = JoinString(t_url->input_encodings(), ';');
502 short_name = base::UTF16ToUTF8(t_url->short_name());
503 keyword = base::UTF16ToUTF8(t_url->keyword());
504 id_string = base::Int64ToString(t_url->id());
505 prepopulate_id = base::Int64ToString(t_url->prepopulate_id());
506 for (size_t i = 0; i < t_url->alternate_urls().size(); ++i)
507 alternate_urls.AppendString(t_url->alternate_urls()[i]);
508 search_terms_replacement_key = t_url->search_terms_replacement_key();
510 prefs->SetBoolean(prefs::kDefaultSearchProviderEnabled, enabled);
511 prefs->SetString(prefs::kDefaultSearchProviderSearchURL, search_url);
512 prefs->SetString(prefs::kDefaultSearchProviderSuggestURL, suggest_url);
513 prefs->SetString(prefs::kDefaultSearchProviderInstantURL, instant_url);
514 prefs->SetString(prefs::kDefaultSearchProviderImageURL, image_url);
515 prefs->SetString(prefs::kDefaultSearchProviderNewTabURL, new_tab_url);
516 prefs->SetString(prefs::kDefaultSearchProviderSearchURLPostParams,
517 search_url_post_params);
518 prefs->SetString(prefs::kDefaultSearchProviderSuggestURLPostParams,
519 suggest_url_post_params);
520 prefs->SetString(prefs::kDefaultSearchProviderInstantURLPostParams,
521 instant_url_post_params);
522 prefs->SetString(prefs::kDefaultSearchProviderImageURLPostParams,
523 image_url_post_params);
524 prefs->SetString(prefs::kDefaultSearchProviderIconURL, icon_url);
525 prefs->SetString(prefs::kDefaultSearchProviderEncodings, encodings);
526 prefs->SetString(prefs::kDefaultSearchProviderName, short_name);
527 prefs->SetString(prefs::kDefaultSearchProviderKeyword, keyword);
528 prefs->SetString(prefs::kDefaultSearchProviderID, id_string);
529 prefs->SetString(prefs::kDefaultSearchProviderPrepopulateID, prepopulate_id);
530 prefs->Set(prefs::kDefaultSearchProviderAlternateURLs, alternate_urls);
531 prefs->SetString(prefs::kDefaultSearchProviderSearchTermsReplacementKey,
532 search_terms_replacement_key);
535 bool TemplateURLService::CanReplaceKeyword(
536 const base::string16& keyword,
538 TemplateURL** template_url_to_replace) {
539 DCHECK(!keyword.empty()); // This should only be called for non-empty
540 // keywords. If we need to support empty kewords
541 // the code needs to change slightly.
542 TemplateURL* existing_url = GetTemplateURLForKeyword(keyword);
543 if (template_url_to_replace)
544 *template_url_to_replace = existing_url;
546 // We already have a TemplateURL for this keyword. Only allow it to be
547 // replaced if the TemplateURL can be replaced.
548 return CanReplace(existing_url);
551 // We don't have a TemplateURL with keyword. Only allow a new one if there
552 // isn't a TemplateURL for the specified host, or there is one but it can
553 // be replaced. We do this to ensure that if the user assigns a different
554 // keyword to a generated TemplateURL, we won't regenerate another keyword for
556 return !url.is_valid() || url.host().empty() ||
557 CanReplaceKeywordForHost(url.host(), template_url_to_replace);
560 void TemplateURLService::FindMatchingKeywords(
561 const base::string16& prefix,
562 bool support_replacement_only,
563 TemplateURLVector* matches) {
564 // Sanity check args.
567 DCHECK(matches != NULL);
568 DCHECK(matches->empty()); // The code for exact matches assumes this.
570 // Required for VS2010: http://connect.microsoft.com/VisualStudio/feedback/details/520043/error-converting-from-null-to-a-pointer-type-in-std-pair
571 TemplateURL* const kNullTemplateURL = NULL;
573 // Find matching keyword range. Searches the element map for keywords
574 // beginning with |prefix| and stores the endpoints of the resulting set in
576 const std::pair<KeywordToTemplateMap::const_iterator,
577 KeywordToTemplateMap::const_iterator> match_range(
579 keyword_to_template_map_.begin(), keyword_to_template_map_.end(),
580 KeywordToTemplateMap::value_type(prefix, kNullTemplateURL),
583 // Return vector of matching keywords.
584 for (KeywordToTemplateMap::const_iterator i(match_range.first);
585 i != match_range.second; ++i) {
586 if (!support_replacement_only || i->second->url_ref().SupportsReplacement())
587 matches->push_back(i->second);
591 TemplateURL* TemplateURLService::GetTemplateURLForKeyword(
592 const base::string16& keyword) {
593 KeywordToTemplateMap::const_iterator elem(
594 keyword_to_template_map_.find(keyword));
595 if (elem != keyword_to_template_map_.end())
598 initial_default_search_provider_.get() &&
599 (initial_default_search_provider_->keyword() == keyword)) ?
600 initial_default_search_provider_.get() : NULL;
603 TemplateURL* TemplateURLService::GetTemplateURLForGUID(
604 const std::string& sync_guid) {
605 GUIDToTemplateMap::const_iterator elem(guid_to_template_map_.find(sync_guid));
606 if (elem != guid_to_template_map_.end())
609 initial_default_search_provider_.get() &&
610 (initial_default_search_provider_->sync_guid() == sync_guid)) ?
611 initial_default_search_provider_.get() : NULL;
614 TemplateURL* TemplateURLService::GetTemplateURLForHost(
615 const std::string& host) {
617 TemplateURL* t_url = provider_map_->GetTemplateURLForHost(host);
622 initial_default_search_provider_.get() &&
623 (GenerateSearchURL(initial_default_search_provider_.get()).host() ==
624 host)) ? initial_default_search_provider_.get() : NULL;
627 bool TemplateURLService::Add(TemplateURL* template_url) {
628 WebDataService::KeywordBatchModeScoper keyword_scoper(service_.get());
629 if (!AddNoNotify(template_url, true))
635 void TemplateURLService::AddAndSetProfile(TemplateURL* template_url,
637 template_url->profile_ = profile;
641 void TemplateURLService::AddWithOverrides(TemplateURL* template_url,
642 const base::string16& short_name,
643 const base::string16& keyword,
644 const std::string& url) {
645 DCHECK(!keyword.empty());
646 DCHECK(!url.empty());
647 template_url->data_.short_name = short_name;
648 template_url->data_.SetKeyword(keyword);
649 template_url->SetURL(url);
653 void TemplateURLService::AddExtensionControlledTURL(
654 TemplateURL* template_url,
655 scoped_ptr<AssociatedExtensionInfo> info) {
657 DCHECK(template_url);
658 DCHECK_EQ(kInvalidTemplateURLID, template_url->id());
660 DCHECK_EQ(info->wants_to_be_default_engine,
661 template_url->show_in_default_list());
662 template_url->extension_info_.swap(info);
663 DCHECK(!FindTemplateURLForExtension(
664 template_url->GetExtensionId(),
665 TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION));
667 WebDataService::KeywordBatchModeScoper keyword_scoper(service_.get());
668 if (AddNoNotify(template_url, true)) {
669 if (template_url->extension_info_->wants_to_be_default_engine)
670 UpdateExtensionDefaultSearchEngine();
675 void TemplateURLService::Remove(TemplateURL* template_url) {
676 RemoveNoNotify(template_url);
680 void TemplateURLService::RemoveExtensionControlledTURL(
681 const std::string& extension_id) {
683 TemplateURL* url = FindTemplateURLForExtension(
684 extension_id, TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION);
687 // NULL this out so that we can call RemoveNoNotify.
688 // UpdateExtensionDefaultSearchEngine will cause it to be reset.
689 if (default_search_provider_ == url)
690 default_search_provider_ = NULL;
691 WebDataService::KeywordBatchModeScoper keyword_scoper(service_.get());
693 UpdateExtensionDefaultSearchEngine();
697 void TemplateURLService::RemoveAutoGeneratedSince(base::Time created_after) {
698 RemoveAutoGeneratedBetween(created_after, base::Time());
701 void TemplateURLService::RemoveAutoGeneratedBetween(base::Time created_after,
702 base::Time created_before) {
703 RemoveAutoGeneratedForOriginBetween(GURL(), created_after, created_before);
706 void TemplateURLService::RemoveAutoGeneratedForOriginBetween(
708 base::Time created_after,
709 base::Time created_before) {
710 GURL o(origin.GetOrigin());
711 bool should_notify = false;
712 WebDataService::KeywordBatchModeScoper keyword_scoper(service_.get());
713 for (size_t i = 0; i < template_urls_.size();) {
714 if (template_urls_[i]->date_created() >= created_after &&
715 (created_before.is_null() ||
716 template_urls_[i]->date_created() < created_before) &&
717 CanReplace(template_urls_[i]) &&
719 GenerateSearchURL(template_urls_[i]).GetOrigin() == o)) {
720 RemoveNoNotify(template_urls_[i]);
721 should_notify = true;
731 void TemplateURLService::RegisterOmniboxKeyword(
732 const std::string& extension_id,
733 const std::string& extension_name,
734 const std::string& keyword) {
737 if (!FindTemplateURLForExtension(extension_id,
738 TemplateURL::OMNIBOX_API_EXTENSION)) {
739 ExtensionKeyword extension_url(extension_id, extension_name, keyword);
740 Add(CreateTemplateURLForExtension(extension_url));
744 void TemplateURLService::UnregisterOmniboxKeyword(
745 const std::string& extension_id) {
747 TemplateURL* url = FindTemplateURLForExtension(
748 extension_id, TemplateURL::OMNIBOX_API_EXTENSION);
753 TemplateURLService::TemplateURLVector TemplateURLService::GetTemplateURLs() {
754 return template_urls_;
757 void TemplateURLService::IncrementUsageCount(TemplateURL* url) {
759 // Extension-controlled search engines are not persisted.
760 if (url->GetType() == TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION)
762 if (std::find(template_urls_.begin(), template_urls_.end(), url) ==
763 template_urls_.end())
765 ++url->data_.usage_count;
768 service_->UpdateKeyword(url->data());
771 void TemplateURLService::ResetTemplateURL(TemplateURL* url,
772 const base::string16& title,
773 const base::string16& keyword,
774 const std::string& search_url) {
775 if (ResetTemplateURLNoNotify(url, title, keyword, search_url))
779 bool TemplateURLService::CanMakeDefault(const TemplateURL* url) {
781 ((default_search_provider_source_ == DefaultSearchManager::FROM_USER) ||
782 (default_search_provider_source_ ==
783 DefaultSearchManager::FROM_FALLBACK)) &&
784 (url != GetDefaultSearchProvider()) &&
785 url->url_ref().SupportsReplacement() &&
786 (url->GetType() == TemplateURL::NORMAL);
789 void TemplateURLService::SetUserSelectedDefaultSearchProvider(
791 // Omnibox keywords cannot be made default. Extension-controlled search
792 // engines can be made default only by the extension itself because they
794 DCHECK(!url || (url->GetType() == TemplateURL::NORMAL));
796 // Skip the DefaultSearchManager, which will persist to user preferences.
797 if ((default_search_provider_source_ == DefaultSearchManager::FROM_USER) ||
798 (default_search_provider_source_ ==
799 DefaultSearchManager::FROM_FALLBACK)) {
800 ApplyDefaultSearchChange(url ? &url->data() : NULL,
801 DefaultSearchManager::FROM_USER);
804 // We rely on the DefaultSearchManager to call OnDefaultSearchChange if, in
805 // fact, the effective DSE changes.
807 default_search_manager_.SetUserSelectedDefaultSearchEngine(url->data());
809 default_search_manager_.ClearUserSelectedDefaultSearchEngine();
813 TemplateURL* TemplateURLService::GetDefaultSearchProvider() {
815 default_search_provider_ : initial_default_search_provider_.get();
818 bool TemplateURLService::IsSearchResultsPageFromDefaultSearchProvider(
820 TemplateURL* default_provider = GetDefaultSearchProvider();
821 return default_provider && default_provider->IsSearchURL(url);
824 bool TemplateURLService::IsExtensionControlledDefaultSearch() {
825 return default_search_provider_source_ ==
826 DefaultSearchManager::FROM_EXTENSION;
829 void TemplateURLService::RepairPrepopulatedSearchEngines() {
830 // Can't clean DB if it hasn't been loaded.
833 if ((default_search_provider_source_ == DefaultSearchManager::FROM_USER) ||
834 (default_search_provider_source_ ==
835 DefaultSearchManager::FROM_FALLBACK)) {
836 // Clear |default_search_provider_| in case we want to remove the engine it
837 // points to. This will get reset at the end of the function anyway.
838 default_search_provider_ = NULL;
841 size_t default_search_provider_index = 0;
842 ScopedVector<TemplateURLData> prepopulated_urls =
843 TemplateURLPrepopulateData::GetPrepopulatedEngines(
844 GetPrefs(), &default_search_provider_index);
845 DCHECK(!prepopulated_urls.empty());
846 ActionsFromPrepopulateData actions(CreateActionsFromCurrentPrepopulateData(
847 &prepopulated_urls, template_urls_, default_search_provider_));
849 WebDataService::KeywordBatchModeScoper keyword_scoper(service_.get());
852 for (std::vector<TemplateURL*>::iterator i = actions.removed_engines.begin();
853 i < actions.removed_engines.end(); ++i)
857 for (EditedEngines::iterator i(actions.edited_engines.begin());
858 i < actions.edited_engines.end(); ++i) {
859 UIThreadSearchTermsData search_terms_data(profile());
860 TemplateURL new_values(profile(), i->second);
861 UpdateNoNotify(i->first, new_values, search_terms_data);
865 for (std::vector<TemplateURLData>::const_iterator i =
866 actions.added_engines.begin();
867 i < actions.added_engines.end();
869 AddNoNotify(new TemplateURL(profile_, *i), true);
872 base::AutoReset<DefaultSearchChangeOrigin> change_origin(
873 &dsp_change_origin_, DSP_CHANGE_PROFILE_RESET);
875 default_search_manager_.ClearUserSelectedDefaultSearchEngine();
877 if (!default_search_provider_) {
878 DefaultSearchManager::Source source;
879 const TemplateURLData* new_dse =
880 default_search_manager_.GetDefaultSearchEngine(&source);
881 // ApplyDefaultSearchChange will notify observers once it is done.
882 ApplyDefaultSearchChange(new_dse, source);
888 void TemplateURLService::AddObserver(TemplateURLServiceObserver* observer) {
889 model_observers_.AddObserver(observer);
892 void TemplateURLService::RemoveObserver(TemplateURLServiceObserver* observer) {
893 model_observers_.RemoveObserver(observer);
896 void TemplateURLService::Load() {
897 if (loaded_ || load_handle_)
901 service_ = WebDataService::FromBrowserContext(profile_);
904 load_handle_ = service_->GetKeywords(this);
906 ChangeToLoadedState();
909 scoped_ptr<TemplateURLService::Subscription>
910 TemplateURLService::RegisterOnLoadedCallback(
911 const base::Closure& callback) {
913 scoped_ptr<TemplateURLService::Subscription>() :
914 on_loaded_callbacks_.Add(callback);
917 void TemplateURLService::OnWebDataServiceRequestDone(
918 WebDataService::Handle h,
919 const WDTypedResult* result) {
920 // Reset the load_handle so that we don't try and cancel the load in
925 // Results are null if the database went away or (most likely) wasn't
929 ChangeToLoadedState();
933 TemplateURLVector template_urls;
934 int new_resource_keyword_version = 0;
935 GetSearchProvidersUsingKeywordResult(
940 (default_search_provider_source_ == DefaultSearchManager::FROM_USER) ?
941 initial_default_search_provider_.get() : NULL,
942 &new_resource_keyword_version,
945 WebDataService::KeywordBatchModeScoper keyword_scoper(service_.get());
947 PatchMissingSyncGUIDs(&template_urls);
948 SetTemplateURLs(&template_urls);
950 // This initializes provider_map_ which should be done before
951 // calling UpdateKeywordSearchTermsForURL.
952 // This also calls NotifyObservers.
953 ChangeToLoadedState();
955 // Index any visits that occurred before we finished loading.
956 for (size_t i = 0; i < visits_to_add_.size(); ++i)
957 UpdateKeywordSearchTermsForURL(visits_to_add_[i]);
958 visits_to_add_.clear();
960 if (new_resource_keyword_version)
961 service_->SetBuiltinKeywordVersion(new_resource_keyword_version);
964 base::string16 TemplateURLService::GetKeywordShortName(
965 const base::string16& keyword,
966 bool* is_omnibox_api_extension_keyword) {
967 const TemplateURL* template_url = GetTemplateURLForKeyword(keyword);
969 // TODO(sky): Once LocationBarView adds a listener to the TemplateURLService
970 // to track changes to the model, this should become a DCHECK.
972 *is_omnibox_api_extension_keyword =
973 template_url->GetType() == TemplateURL::OMNIBOX_API_EXTENSION;
974 return template_url->AdjustedShortNameForLocaleDirection();
976 *is_omnibox_api_extension_keyword = false;
977 return base::string16();
980 void TemplateURLService::Observe(int type,
981 const content::NotificationSource& source,
982 const content::NotificationDetails& details) {
983 if (type == chrome::NOTIFICATION_HISTORY_URL_VISITED) {
984 content::Details<history::URLVisitedDetails> visit_details(details);
986 visits_to_add_.push_back(*visit_details.ptr());
988 UpdateKeywordSearchTermsForURL(*visit_details.ptr());
990 DCHECK_EQ(chrome::NOTIFICATION_GOOGLE_URL_UPDATED, type);
992 GoogleBaseURLChanged(
993 content::Details<GoogleURLTracker::UpdatedDetails>(details)->first);
998 void TemplateURLService::Shutdown() {
999 // This check has to be done at Shutdown() instead of in the dtor to ensure
1000 // that no clients of WebDataService are holding ptrs to it after the first
1001 // phase of the KeyedService Shutdown() process.
1003 DCHECK(service_.get());
1004 service_->CancelRequest(load_handle_);
1009 syncer::SyncDataList TemplateURLService::GetAllSyncData(
1010 syncer::ModelType type) const {
1011 DCHECK_EQ(syncer::SEARCH_ENGINES, type);
1013 syncer::SyncDataList current_data;
1014 for (TemplateURLVector::const_iterator iter = template_urls_.begin();
1015 iter != template_urls_.end(); ++iter) {
1016 // We don't sync keywords managed by policy.
1017 if ((*iter)->created_by_policy())
1019 // We don't sync extension-controlled search engines.
1020 if ((*iter)->GetType() == TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION)
1022 current_data.push_back(CreateSyncDataFromTemplateURL(**iter));
1025 return current_data;
1028 syncer::SyncError TemplateURLService::ProcessSyncChanges(
1029 const tracked_objects::Location& from_here,
1030 const syncer::SyncChangeList& change_list) {
1031 if (!models_associated_) {
1032 syncer::SyncError error(FROM_HERE,
1033 syncer::SyncError::DATATYPE_ERROR,
1034 "Models not yet associated.",
1035 syncer::SEARCH_ENGINES);
1040 base::AutoReset<bool> processing_changes(&processing_syncer_changes_, true);
1042 // We've started syncing, so set our origin member to the base Sync value.
1043 // As we move through Sync Code, we may set this to increasingly specific
1044 // origins so we can tell what exactly caused a DSP change.
1045 base::AutoReset<DefaultSearchChangeOrigin> change_origin(&dsp_change_origin_,
1046 DSP_CHANGE_SYNC_UNINTENTIONAL);
1048 WebDataService::KeywordBatchModeScoper keyword_scoper(service_.get());
1050 syncer::SyncChangeList new_changes;
1051 syncer::SyncError error;
1052 for (syncer::SyncChangeList::const_iterator iter = change_list.begin();
1053 iter != change_list.end(); ++iter) {
1054 DCHECK_EQ(syncer::SEARCH_ENGINES, iter->sync_data().GetDataType());
1057 iter->sync_data().GetSpecifics().search_engine().sync_guid();
1058 TemplateURL* existing_turl = GetTemplateURLForGUID(guid);
1059 scoped_ptr<TemplateURL> turl(CreateTemplateURLFromTemplateURLAndSyncData(
1060 profile_, existing_turl, iter->sync_data(), &new_changes));
1064 // Explicitly don't check for conflicts against extension keywords; in this
1065 // case the functions which modify the keyword map know how to handle the
1067 // TODO(mpcomplete): If we allow editing extension keywords, then those will
1068 // need to undergo conflict resolution.
1069 TemplateURL* existing_keyword_turl =
1070 FindNonExtensionTemplateURLForKeyword(turl->keyword());
1071 if (iter->change_type() == syncer::SyncChange::ACTION_DELETE) {
1072 if (!existing_turl) {
1073 error = sync_error_factory_->CreateAndUploadError(
1075 "ProcessSyncChanges failed on ChangeType ACTION_DELETE");
1078 if (existing_turl == GetDefaultSearchProvider()) {
1079 // The only way Sync can attempt to delete the default search provider
1080 // is if we had changed the kSyncedDefaultSearchProviderGUID
1081 // preference, but perhaps it has not yet been received. To avoid
1082 // situations where this has come in erroneously, we will un-delete
1083 // the current default search from the Sync data. If the pref really
1084 // does arrive later, then default search will change to the correct
1085 // entry, but we'll have this extra entry sitting around. The result is
1086 // not ideal, but it prevents a far more severe bug where the default is
1087 // unexpectedly swapped to something else. The user can safely delete
1088 // the extra entry again later, if they choose. Most users who do not
1089 // look at the search engines UI will not notice this.
1090 // Note that we append a special character to the end of the keyword in
1091 // an attempt to avoid a ping-poinging situation where receiving clients
1092 // may try to continually delete the resurrected entry.
1093 base::string16 updated_keyword = UniquifyKeyword(*existing_turl, true);
1094 TemplateURLData data(existing_turl->data());
1095 data.SetKeyword(updated_keyword);
1096 TemplateURL new_turl(existing_turl->profile(), data);
1097 UIThreadSearchTermsData search_terms_data(existing_turl->profile());
1098 if (UpdateNoNotify(existing_turl, new_turl, search_terms_data))
1101 syncer::SyncData sync_data = CreateSyncDataFromTemplateURL(new_turl);
1102 new_changes.push_back(syncer::SyncChange(FROM_HERE,
1103 syncer::SyncChange::ACTION_ADD,
1105 // Ignore the delete attempt. This means we never end up resetting the
1106 // default search provider due to an ACTION_DELETE from sync.
1110 Remove(existing_turl);
1111 } else if (iter->change_type() == syncer::SyncChange::ACTION_ADD) {
1112 if (existing_turl) {
1113 error = sync_error_factory_->CreateAndUploadError(
1115 "ProcessSyncChanges failed on ChangeType ACTION_ADD");
1118 const std::string guid = turl->sync_guid();
1119 if (existing_keyword_turl) {
1120 // Resolve any conflicts so we can safely add the new entry.
1121 ResolveSyncKeywordConflict(turl.get(), existing_keyword_turl,
1124 base::AutoReset<DefaultSearchChangeOrigin> change_origin(
1125 &dsp_change_origin_, DSP_CHANGE_SYNC_ADD);
1126 // Force the local ID to kInvalidTemplateURLID so we can add it.
1127 TemplateURLData data(turl->data());
1128 data.id = kInvalidTemplateURLID;
1129 TemplateURL* added = new TemplateURL(profile_, data);
1131 MaybeUpdateDSEAfterSync(added);
1132 } else if (iter->change_type() == syncer::SyncChange::ACTION_UPDATE) {
1133 if (!existing_turl) {
1134 error = sync_error_factory_->CreateAndUploadError(
1136 "ProcessSyncChanges failed on ChangeType ACTION_UPDATE");
1139 if (existing_keyword_turl && (existing_keyword_turl != existing_turl)) {
1140 // Resolve any conflicts with other entries so we can safely update the
1142 ResolveSyncKeywordConflict(turl.get(), existing_keyword_turl,
1145 UIThreadSearchTermsData search_terms_data(existing_turl->profile());
1146 if (UpdateNoNotify(existing_turl, *turl, search_terms_data)) {
1148 MaybeUpdateDSEAfterSync(existing_turl);
1151 // We've unexpectedly received an ACTION_INVALID.
1152 error = sync_error_factory_->CreateAndUploadError(
1154 "ProcessSyncChanges received an ACTION_INVALID");
1158 // If something went wrong, we want to prematurely exit to avoid pushing
1159 // inconsistent data to Sync. We return the last error we received.
1163 error = sync_processor_->ProcessSyncChanges(from_here, new_changes);
1168 syncer::SyncMergeResult TemplateURLService::MergeDataAndStartSyncing(
1169 syncer::ModelType type,
1170 const syncer::SyncDataList& initial_sync_data,
1171 scoped_ptr<syncer::SyncChangeProcessor> sync_processor,
1172 scoped_ptr<syncer::SyncErrorFactory> sync_error_factory) {
1174 DCHECK_EQ(type, syncer::SEARCH_ENGINES);
1175 DCHECK(!sync_processor_.get());
1176 DCHECK(sync_processor.get());
1177 DCHECK(sync_error_factory.get());
1178 syncer::SyncMergeResult merge_result(type);
1180 // Disable sync if we failed to load.
1182 merge_result.set_error(syncer::SyncError(
1183 FROM_HERE, syncer::SyncError::DATATYPE_ERROR,
1184 "Local database load failed.", syncer::SEARCH_ENGINES));
1185 return merge_result;
1188 sync_processor_ = sync_processor.Pass();
1189 sync_error_factory_ = sync_error_factory.Pass();
1191 // We do a lot of calls to Add/Remove/ResetTemplateURL here, so ensure we
1192 // don't step on our own toes.
1193 base::AutoReset<bool> processing_changes(&processing_syncer_changes_, true);
1195 // We've started syncing, so set our origin member to the base Sync value.
1196 // As we move through Sync Code, we may set this to increasingly specific
1197 // origins so we can tell what exactly caused a DSP change.
1198 base::AutoReset<DefaultSearchChangeOrigin> change_origin(&dsp_change_origin_,
1199 DSP_CHANGE_SYNC_UNINTENTIONAL);
1201 syncer::SyncChangeList new_changes;
1203 // Build maps of our sync GUIDs to syncer::SyncData.
1204 SyncDataMap local_data_map = CreateGUIDToSyncDataMap(
1205 GetAllSyncData(syncer::SEARCH_ENGINES));
1206 SyncDataMap sync_data_map = CreateGUIDToSyncDataMap(initial_sync_data);
1208 WebDataService::KeywordBatchModeScoper keyword_scoper(service_.get());
1210 merge_result.set_num_items_before_association(local_data_map.size());
1211 for (SyncDataMap::const_iterator iter = sync_data_map.begin();
1212 iter != sync_data_map.end(); ++iter) {
1213 TemplateURL* local_turl = GetTemplateURLForGUID(iter->first);
1214 scoped_ptr<TemplateURL> sync_turl(
1215 CreateTemplateURLFromTemplateURLAndSyncData(profile_, local_turl,
1216 iter->second, &new_changes));
1217 if (!sync_turl.get())
1220 if (pre_sync_deletes_.find(sync_turl->sync_guid()) !=
1221 pre_sync_deletes_.end()) {
1222 // This entry was deleted before the initial sync began (possibly through
1223 // preprocessing in TemplateURLService's loading code). Ignore it and send
1224 // an ACTION_DELETE up to the server.
1225 new_changes.push_back(
1226 syncer::SyncChange(FROM_HERE,
1227 syncer::SyncChange::ACTION_DELETE,
1229 UMA_HISTOGRAM_ENUMERATION(kDeleteSyncedEngineHistogramName,
1230 DELETE_ENGINE_PRE_SYNC, DELETE_ENGINE_MAX);
1235 DCHECK(IsFromSync(local_turl, sync_data_map));
1236 // This local search engine is already synced. If the timestamp differs
1237 // from Sync, we need to update locally or to the cloud. Note that if the
1238 // timestamps are equal, we touch neither.
1239 if (sync_turl->last_modified() > local_turl->last_modified()) {
1240 // We've received an update from Sync. We should replace all synced
1241 // fields in the local TemplateURL. Note that this includes the
1242 // TemplateURLID and the TemplateURL may have to be reparsed. This
1243 // also makes the local data's last_modified timestamp equal to Sync's,
1244 // avoiding an Update on the next MergeData call.
1245 UIThreadSearchTermsData search_terms_data(local_turl->profile());
1246 if (UpdateNoNotify(local_turl, *sync_turl, search_terms_data))
1248 merge_result.set_num_items_modified(
1249 merge_result.num_items_modified() + 1);
1250 } else if (sync_turl->last_modified() < local_turl->last_modified()) {
1251 // Otherwise, we know we have newer data, so update Sync with our
1253 new_changes.push_back(
1254 syncer::SyncChange(FROM_HERE,
1255 syncer::SyncChange::ACTION_UPDATE,
1256 local_data_map[local_turl->sync_guid()]));
1258 local_data_map.erase(iter->first);
1260 // The search engine from the cloud has not been synced locally. Merge it
1261 // into our local model. This will handle any conflicts with local (and
1262 // already-synced) TemplateURLs. It will prefer to keep entries from Sync
1263 // over not-yet-synced TemplateURLs.
1264 MergeInSyncTemplateURL(sync_turl.get(), sync_data_map, &new_changes,
1265 &local_data_map, &merge_result);
1269 // The remaining SyncData in local_data_map should be everything that needs to
1270 // be pushed as ADDs to sync.
1271 for (SyncDataMap::const_iterator iter = local_data_map.begin();
1272 iter != local_data_map.end(); ++iter) {
1273 new_changes.push_back(
1274 syncer::SyncChange(FROM_HERE,
1275 syncer::SyncChange::ACTION_ADD,
1279 // Do some post-processing on the change list to ensure that we are sending
1280 // valid changes to sync_processor_.
1281 PruneSyncChanges(&sync_data_map, &new_changes);
1283 LogDuplicatesHistogram(GetTemplateURLs());
1284 merge_result.set_num_items_after_association(
1285 GetAllSyncData(syncer::SEARCH_ENGINES).size());
1286 merge_result.set_error(
1287 sync_processor_->ProcessSyncChanges(FROM_HERE, new_changes));
1288 if (merge_result.error().IsSet())
1289 return merge_result;
1291 // The ACTION_DELETEs from this set are processed. Empty it so we don't try to
1292 // reuse them on the next call to MergeDataAndStartSyncing.
1293 pre_sync_deletes_.clear();
1295 models_associated_ = true;
1296 return merge_result;
1299 void TemplateURLService::StopSyncing(syncer::ModelType type) {
1300 DCHECK_EQ(type, syncer::SEARCH_ENGINES);
1301 models_associated_ = false;
1302 sync_processor_.reset();
1303 sync_error_factory_.reset();
1306 void TemplateURLService::ProcessTemplateURLChange(
1307 const tracked_objects::Location& from_here,
1308 const TemplateURL* turl,
1309 syncer::SyncChange::SyncChangeType type) {
1310 DCHECK_NE(type, syncer::SyncChange::ACTION_INVALID);
1313 if (!models_associated_)
1314 return; // Not syncing.
1316 if (processing_syncer_changes_)
1317 return; // These are changes originating from us. Ignore.
1319 // Avoid syncing keywords managed by policy.
1320 if (turl->created_by_policy())
1323 // Avoid syncing extension-controlled search engines.
1324 if (turl->GetType() == TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION)
1327 syncer::SyncChangeList changes;
1329 syncer::SyncData sync_data = CreateSyncDataFromTemplateURL(*turl);
1330 changes.push_back(syncer::SyncChange(from_here,
1334 sync_processor_->ProcessSyncChanges(FROM_HERE, changes);
1338 syncer::SyncData TemplateURLService::CreateSyncDataFromTemplateURL(
1339 const TemplateURL& turl) {
1340 sync_pb::EntitySpecifics specifics;
1341 sync_pb::SearchEngineSpecifics* se_specifics =
1342 specifics.mutable_search_engine();
1343 se_specifics->set_short_name(base::UTF16ToUTF8(turl.short_name()));
1344 se_specifics->set_keyword(base::UTF16ToUTF8(turl.keyword()));
1345 se_specifics->set_favicon_url(turl.favicon_url().spec());
1346 se_specifics->set_url(turl.url());
1347 se_specifics->set_safe_for_autoreplace(turl.safe_for_autoreplace());
1348 se_specifics->set_originating_url(turl.originating_url().spec());
1349 se_specifics->set_date_created(turl.date_created().ToInternalValue());
1350 se_specifics->set_input_encodings(JoinString(turl.input_encodings(), ';'));
1351 se_specifics->set_show_in_default_list(turl.show_in_default_list());
1352 se_specifics->set_suggestions_url(turl.suggestions_url());
1353 se_specifics->set_prepopulate_id(turl.prepopulate_id());
1354 se_specifics->set_instant_url(turl.instant_url());
1355 if (!turl.image_url().empty())
1356 se_specifics->set_image_url(turl.image_url());
1357 se_specifics->set_new_tab_url(turl.new_tab_url());
1358 if (!turl.search_url_post_params().empty())
1359 se_specifics->set_search_url_post_params(turl.search_url_post_params());
1360 if (!turl.suggestions_url_post_params().empty()) {
1361 se_specifics->set_suggestions_url_post_params(
1362 turl.suggestions_url_post_params());
1364 if (!turl.instant_url_post_params().empty())
1365 se_specifics->set_instant_url_post_params(turl.instant_url_post_params());
1366 if (!turl.image_url_post_params().empty())
1367 se_specifics->set_image_url_post_params(turl.image_url_post_params());
1368 se_specifics->set_last_modified(turl.last_modified().ToInternalValue());
1369 se_specifics->set_sync_guid(turl.sync_guid());
1370 for (size_t i = 0; i < turl.alternate_urls().size(); ++i)
1371 se_specifics->add_alternate_urls(turl.alternate_urls()[i]);
1372 se_specifics->set_search_terms_replacement_key(
1373 turl.search_terms_replacement_key());
1375 return syncer::SyncData::CreateLocalData(se_specifics->sync_guid(),
1376 se_specifics->keyword(),
1381 TemplateURL* TemplateURLService::CreateTemplateURLFromTemplateURLAndSyncData(
1383 TemplateURL* existing_turl,
1384 const syncer::SyncData& sync_data,
1385 syncer::SyncChangeList* change_list) {
1386 DCHECK(change_list);
1388 sync_pb::SearchEngineSpecifics specifics =
1389 sync_data.GetSpecifics().search_engine();
1391 // Past bugs might have caused either of these fields to be empty. Just
1392 // delete this data off the server.
1393 if (specifics.url().empty() || specifics.sync_guid().empty()) {
1394 change_list->push_back(
1395 syncer::SyncChange(FROM_HERE,
1396 syncer::SyncChange::ACTION_DELETE,
1398 UMA_HISTOGRAM_ENUMERATION(kDeleteSyncedEngineHistogramName,
1399 DELETE_ENGINE_EMPTY_FIELD, DELETE_ENGINE_MAX);
1403 TemplateURLData data(existing_turl ?
1404 existing_turl->data() : TemplateURLData());
1405 data.short_name = base::UTF8ToUTF16(specifics.short_name());
1406 data.originating_url = GURL(specifics.originating_url());
1407 base::string16 keyword(base::UTF8ToUTF16(specifics.keyword()));
1408 // NOTE: Once this code has shipped in a couple of stable releases, we can
1409 // probably remove the migration portion, comment out the
1410 // "autogenerate_keyword" field entirely in the .proto file, and fold the
1411 // empty keyword case into the "delete data" block above.
1412 bool reset_keyword =
1413 specifics.autogenerate_keyword() || specifics.keyword().empty();
1415 keyword = base::ASCIIToUTF16("dummy"); // Will be replaced below.
1416 DCHECK(!keyword.empty());
1417 data.SetKeyword(keyword);
1418 data.SetURL(specifics.url());
1419 data.suggestions_url = specifics.suggestions_url();
1420 data.instant_url = specifics.instant_url();
1421 data.image_url = specifics.image_url();
1422 data.new_tab_url = specifics.new_tab_url();
1423 data.search_url_post_params = specifics.search_url_post_params();
1424 data.suggestions_url_post_params = specifics.suggestions_url_post_params();
1425 data.instant_url_post_params = specifics.instant_url_post_params();
1426 data.image_url_post_params = specifics.image_url_post_params();
1427 data.favicon_url = GURL(specifics.favicon_url());
1428 data.show_in_default_list = specifics.show_in_default_list();
1429 data.safe_for_autoreplace = specifics.safe_for_autoreplace();
1430 base::SplitString(specifics.input_encodings(), ';', &data.input_encodings);
1431 // If the server data has duplicate encodings, we'll want to push an update
1432 // below to correct it. Note that we also fix this in
1433 // GetSearchProvidersUsingKeywordResult(), since otherwise we'd never correct
1434 // local problems for clients which have disabled search engine sync.
1435 bool deduped = DeDupeEncodings(&data.input_encodings);
1436 data.date_created = base::Time::FromInternalValue(specifics.date_created());
1437 data.last_modified = base::Time::FromInternalValue(specifics.last_modified());
1438 data.prepopulate_id = specifics.prepopulate_id();
1439 data.sync_guid = specifics.sync_guid();
1440 data.alternate_urls.clear();
1441 for (int i = 0; i < specifics.alternate_urls_size(); ++i)
1442 data.alternate_urls.push_back(specifics.alternate_urls(i));
1443 data.search_terms_replacement_key = specifics.search_terms_replacement_key();
1445 TemplateURL* turl = new TemplateURL(profile, data);
1446 // If this TemplateURL matches a built-in prepopulated template URL, it's
1447 // possible that sync is trying to modify fields that should not be touched.
1448 // Revert these fields to the built-in values.
1449 UpdateTemplateURLIfPrepopulated(turl, profile);
1450 DCHECK_NE(TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION, turl->GetType());
1451 if (reset_keyword || deduped) {
1453 turl->ResetKeywordIfNecessary(true);
1454 syncer::SyncData sync_data = CreateSyncDataFromTemplateURL(*turl);
1455 change_list->push_back(syncer::SyncChange(FROM_HERE,
1456 syncer::SyncChange::ACTION_UPDATE,
1458 } else if (turl->IsGoogleSearchURLWithReplaceableKeyword()) {
1459 if (!existing_turl) {
1460 // We're adding a new TemplateURL that uses the Google base URL, so set
1461 // its keyword appropriately for the local environment.
1462 turl->ResetKeywordIfNecessary(false);
1463 } else if (existing_turl->IsGoogleSearchURLWithReplaceableKeyword()) {
1464 // Ignore keyword changes triggered by the Google base URL changing on
1465 // another client. If the base URL changes in this client as well, we'll
1466 // pick that up separately at the appropriate time. Otherwise, changing
1467 // the keyword here could result in having the wrong keyword for the local
1469 turl->data_.SetKeyword(existing_turl->keyword());
1477 SyncDataMap TemplateURLService::CreateGUIDToSyncDataMap(
1478 const syncer::SyncDataList& sync_data) {
1479 SyncDataMap data_map;
1480 for (syncer::SyncDataList::const_iterator i(sync_data.begin());
1481 i != sync_data.end();
1483 data_map[i->GetSpecifics().search_engine().sync_guid()] = *i;
1487 void TemplateURLService::SetKeywordSearchTermsForURL(
1488 const TemplateURL* t_url,
1490 const base::string16& term) {
1491 HistoryService* history = profile_ ?
1492 HistoryServiceFactory::GetForProfile(profile_,
1493 Profile::EXPLICIT_ACCESS) :
1497 history->SetKeywordSearchTermsForURL(url, t_url->id(), term);
1500 void TemplateURLService::Init(const Initializer* initializers,
1501 int num_initializers) {
1502 // Register for notifications.
1504 // TODO(sky): bug 1166191. The keywords should be moved into the history
1505 // db, which will mean we no longer need this notification and the history
1506 // backend can handle automatically adding the search terms as the user
1508 content::Source<Profile> profile_source(profile_->GetOriginalProfile());
1509 notification_registrar_.Add(this, chrome::NOTIFICATION_HISTORY_URL_VISITED,
1511 notification_registrar_.Add(this, chrome::NOTIFICATION_GOOGLE_URL_UPDATED,
1513 pref_change_registrar_.Init(GetPrefs());
1514 pref_change_registrar_.Add(
1515 prefs::kSyncedDefaultSearchProviderGUID,
1517 &TemplateURLService::OnSyncedDefaultSearchProviderGUIDChanged,
1518 base::Unretained(this)));
1521 DefaultSearchManager::Source source = DefaultSearchManager::FROM_USER;
1522 TemplateURLData* dse =
1523 default_search_manager_.GetDefaultSearchEngine(&source);
1524 ApplyDefaultSearchChange(dse, source);
1526 if (num_initializers > 0) {
1527 // This path is only hit by test code and is used to simulate a loaded
1528 // TemplateURLService.
1529 ChangeToLoadedState();
1531 // Add specific initializers, if any.
1532 WebDataService::KeywordBatchModeScoper keyword_scoper(service_.get());
1533 for (int i(0); i < num_initializers; ++i) {
1534 DCHECK(initializers[i].keyword);
1535 DCHECK(initializers[i].url);
1536 DCHECK(initializers[i].content);
1538 // TemplateURLService ends up owning the TemplateURL, don't try and free
1540 TemplateURLData data;
1541 data.short_name = base::UTF8ToUTF16(initializers[i].content);
1542 data.SetKeyword(base::UTF8ToUTF16(initializers[i].keyword));
1543 data.SetURL(initializers[i].url);
1544 TemplateURL* template_url = new TemplateURL(profile_, data);
1545 AddNoNotify(template_url, true);
1547 // Set the first provided identifier to be the default.
1549 default_search_manager_.SetUserSelectedDefaultSearchEngine(data);
1553 // Request a server check for the correct Google URL if Google is the
1554 // default search engine and not in headless mode.
1555 TemplateURL* default_search_provider = GetDefaultSearchProvider();
1556 if (profile_ && default_search_provider &&
1557 default_search_provider->HasGoogleBaseURLs()) {
1558 scoped_ptr<base::Environment> env(base::Environment::Create());
1559 if (!env->HasVar(env_vars::kHeadless))
1560 GoogleURLTracker::RequestServerCheck(profile_, false);
1564 void TemplateURLService::RemoveFromMaps(TemplateURL* template_url) {
1565 const base::string16& keyword = template_url->keyword();
1566 DCHECK_NE(0U, keyword_to_template_map_.count(keyword));
1567 if (keyword_to_template_map_[keyword] == template_url) {
1568 // We need to check whether the keyword can now be provided by another
1569 // TemplateURL. See the comments in AddToMaps() for more information on
1570 // extension keywords and how they can coexist with non-extension keywords.
1571 // In the case of more than one extension, we use the most recently
1572 // installed (which will be the most recently added, which will have the
1574 TemplateURL* best_fallback = NULL;
1575 for (TemplateURLVector::const_iterator i(template_urls_.begin());
1576 i != template_urls_.end(); ++i) {
1577 TemplateURL* turl = *i;
1578 // This next statement relies on the fact that there can only be one
1579 // non-Omnibox API TemplateURL with a given keyword.
1580 if ((turl != template_url) && (turl->keyword() == keyword) &&
1582 (best_fallback->GetType() != TemplateURL::OMNIBOX_API_EXTENSION) ||
1583 ((turl->GetType() == TemplateURL::OMNIBOX_API_EXTENSION) &&
1584 (turl->id() > best_fallback->id()))))
1585 best_fallback = turl;
1588 keyword_to_template_map_[keyword] = best_fallback;
1590 keyword_to_template_map_.erase(keyword);
1593 if (!template_url->sync_guid().empty())
1594 guid_to_template_map_.erase(template_url->sync_guid());
1595 // |provider_map_| is only initialized after loading has completed.
1597 UIThreadSearchTermsData search_terms_data(template_url->profile());
1598 provider_map_->Remove(template_url, search_terms_data);
1602 void TemplateURLService::AddToMaps(TemplateURL* template_url) {
1603 bool template_url_is_omnibox_api =
1604 template_url->GetType() == TemplateURL::OMNIBOX_API_EXTENSION;
1605 const base::string16& keyword = template_url->keyword();
1606 KeywordToTemplateMap::const_iterator i =
1607 keyword_to_template_map_.find(keyword);
1608 if (i == keyword_to_template_map_.end()) {
1609 keyword_to_template_map_[keyword] = template_url;
1611 const TemplateURL* existing_url = i->second;
1612 // We should only have overlapping keywords when at least one comes from
1613 // an extension. In that case, the ranking order is:
1614 // Manually-modified keywords > extension keywords > replaceable keywords
1615 // When there are multiple extensions, the last-added wins.
1616 bool existing_url_is_omnibox_api =
1617 existing_url->GetType() == TemplateURL::OMNIBOX_API_EXTENSION;
1618 DCHECK(existing_url_is_omnibox_api || template_url_is_omnibox_api);
1619 if (existing_url_is_omnibox_api ?
1620 !CanReplace(template_url) : CanReplace(existing_url))
1621 keyword_to_template_map_[keyword] = template_url;
1624 if (!template_url->sync_guid().empty())
1625 guid_to_template_map_[template_url->sync_guid()] = template_url;
1626 // |provider_map_| is only initialized after loading has completed.
1628 UIThreadSearchTermsData search_terms_data(profile_);
1629 provider_map_->Add(template_url, search_terms_data);
1633 // Helper for partition() call in next function.
1634 bool HasValidID(TemplateURL* t_url) {
1635 return t_url->id() != kInvalidTemplateURLID;
1638 void TemplateURLService::SetTemplateURLs(TemplateURLVector* urls) {
1639 // Partition the URLs first, instead of implementing the loops below by simply
1640 // scanning the input twice. While it's not supposed to happen normally, it's
1641 // possible for corrupt databases to return multiple entries with the same
1642 // keyword. In this case, the first loop may delete the first entry when
1643 // adding the second. If this happens, the second loop must not attempt to
1644 // access the deleted entry. Partitioning ensures this constraint.
1645 TemplateURLVector::iterator first_invalid(
1646 std::partition(urls->begin(), urls->end(), HasValidID));
1648 // First, add the items that already have id's, so that the next_id_ gets
1650 for (TemplateURLVector::const_iterator i = urls->begin(); i != first_invalid;
1652 next_id_ = std::max(next_id_, (*i)->id());
1653 AddNoNotify(*i, false);
1656 // Next add the new items that don't have id's.
1657 for (TemplateURLVector::const_iterator i = first_invalid; i != urls->end();
1659 AddNoNotify(*i, true);
1661 // Clear the input vector to reduce the chance callers will try to use a
1662 // (possibly deleted) entry.
1666 void TemplateURLService::ChangeToLoadedState() {
1669 UIThreadSearchTermsData search_terms_data(profile_);
1670 provider_map_->Init(template_urls_, search_terms_data);
1673 // This will cause a call to NotifyObservers().
1674 ApplyDefaultSearchChange(initial_default_search_provider_ ?
1675 &initial_default_search_provider_->data() : NULL,
1676 default_search_provider_source_);
1677 initial_default_search_provider_.reset();
1678 on_loaded_callbacks_.Notify();
1681 bool TemplateURLService::CanReplaceKeywordForHost(
1682 const std::string& host,
1683 TemplateURL** to_replace) {
1684 DCHECK(!to_replace || !*to_replace);
1685 const TemplateURLSet* urls = provider_map_->GetURLsForHost(host);
1688 for (TemplateURLSet::const_iterator i(urls->begin()); i != urls->end(); ++i) {
1689 if (CanReplace(*i)) {
1698 bool TemplateURLService::CanReplace(const TemplateURL* t_url) {
1699 return (t_url != default_search_provider_ && !t_url->show_in_default_list() &&
1700 t_url->safe_for_autoreplace());
1703 TemplateURL* TemplateURLService::FindNonExtensionTemplateURLForKeyword(
1704 const base::string16& keyword) {
1705 TemplateURL* keyword_turl = GetTemplateURLForKeyword(keyword);
1706 if (!keyword_turl || (keyword_turl->GetType() == TemplateURL::NORMAL))
1707 return keyword_turl;
1708 // The extension keyword in the model may be hiding a replaceable
1709 // non-extension keyword. Look for it.
1710 for (TemplateURLVector::const_iterator i(template_urls_.begin());
1711 i != template_urls_.end(); ++i) {
1712 if (((*i)->GetType() == TemplateURL::NORMAL) &&
1713 ((*i)->keyword() == keyword))
1719 bool TemplateURLService::UpdateNoNotify(
1720 TemplateURL* existing_turl,
1721 const TemplateURL& new_values,
1722 const SearchTermsData& old_search_terms_data) {
1723 DCHECK(existing_turl);
1724 if (std::find(template_urls_.begin(), template_urls_.end(), existing_turl) ==
1725 template_urls_.end())
1728 base::string16 old_keyword(existing_turl->keyword());
1729 keyword_to_template_map_.erase(old_keyword);
1730 if (!existing_turl->sync_guid().empty())
1731 guid_to_template_map_.erase(existing_turl->sync_guid());
1733 // |provider_map_| is only initialized after loading has completed.
1735 provider_map_->Remove(existing_turl, old_search_terms_data);
1737 TemplateURLID previous_id = existing_turl->id();
1738 existing_turl->CopyFrom(new_values);
1739 existing_turl->data_.id = previous_id;
1742 UIThreadSearchTermsData new_search_terms_data(profile_);
1743 provider_map_->Add(existing_turl, new_search_terms_data);
1746 const base::string16& keyword = existing_turl->keyword();
1747 KeywordToTemplateMap::const_iterator i =
1748 keyword_to_template_map_.find(keyword);
1749 if (i == keyword_to_template_map_.end()) {
1750 keyword_to_template_map_[keyword] = existing_turl;
1752 // We can theoretically reach here in two cases:
1753 // * There is an existing extension keyword and sync brings in a rename of
1754 // a non-extension keyword to match. In this case we just need to pick
1755 // which keyword has priority to update the keyword map.
1756 // * Autogeneration of the keyword for a Google default search provider
1757 // at load time causes it to conflict with an existing keyword. In this
1758 // case we delete the existing keyword if it's replaceable, or else undo
1759 // the change in keyword for |existing_turl|.
1760 TemplateURL* existing_keyword_turl = i->second;
1761 if (existing_keyword_turl->GetType() != TemplateURL::NORMAL) {
1762 if (!CanReplace(existing_turl))
1763 keyword_to_template_map_[keyword] = existing_turl;
1765 if (CanReplace(existing_keyword_turl)) {
1766 RemoveNoNotify(existing_keyword_turl);
1768 existing_turl->data_.SetKeyword(old_keyword);
1769 keyword_to_template_map_[old_keyword] = existing_turl;
1773 if (!existing_turl->sync_guid().empty())
1774 guid_to_template_map_[existing_turl->sync_guid()] = existing_turl;
1777 service_->UpdateKeyword(existing_turl->data());
1779 // Inform sync of the update.
1780 ProcessTemplateURLChange(
1781 FROM_HERE, existing_turl, syncer::SyncChange::ACTION_UPDATE);
1783 if (default_search_provider_ == existing_turl &&
1784 default_search_provider_source_ == DefaultSearchManager::FROM_USER) {
1785 default_search_manager_.SetUserSelectedDefaultSearchEngine(
1786 default_search_provider_->data());
1792 void TemplateURLService::UpdateTemplateURLIfPrepopulated(
1793 TemplateURL* template_url,
1795 int prepopulate_id = template_url->prepopulate_id();
1796 if (template_url->prepopulate_id() == 0)
1799 size_t default_search_index;
1800 ScopedVector<TemplateURLData> prepopulated_urls =
1801 TemplateURLPrepopulateData::GetPrepopulatedEngines(
1802 profile ? profile->GetPrefs() : NULL, &default_search_index);
1804 for (size_t i = 0; i < prepopulated_urls.size(); ++i) {
1805 if (prepopulated_urls[i]->prepopulate_id == prepopulate_id) {
1806 MergeIntoPrepopulatedEngineData(template_url, prepopulated_urls[i]);
1807 template_url->CopyFrom(TemplateURL(profile, *prepopulated_urls[i]));
1812 void TemplateURLService::MaybeUpdateDSEAfterSync(TemplateURL* synced_turl) {
1814 (synced_turl->sync_guid() ==
1815 GetPrefs()->GetString(prefs::kSyncedDefaultSearchProviderGUID))) {
1816 default_search_manager_.SetUserSelectedDefaultSearchEngine(
1817 synced_turl->data());
1821 PrefService* TemplateURLService::GetPrefs() {
1822 return profile_ ? profile_->GetPrefs() : NULL;
1825 void TemplateURLService::UpdateKeywordSearchTermsForURL(
1826 const history::URLVisitedDetails& details) {
1827 const history::URLRow& row = details.row;
1828 if (!row.url().is_valid())
1831 const TemplateURLSet* urls_for_host =
1832 provider_map_->GetURLsForHost(row.url().host());
1836 for (TemplateURLSet::const_iterator i = urls_for_host->begin();
1837 i != urls_for_host->end(); ++i) {
1838 base::string16 search_terms;
1839 if ((*i)->ExtractSearchTermsFromURL(row.url(), &search_terms) &&
1840 !search_terms.empty()) {
1841 if (content::PageTransitionStripQualifier(details.transition) ==
1842 content::PAGE_TRANSITION_KEYWORD) {
1843 // The visit is the result of the user entering a keyword, generate a
1844 // KEYWORD_GENERATED visit for the KEYWORD so that the keyword typed
1845 // count is boosted.
1846 AddTabToSearchVisit(**i);
1848 SetKeywordSearchTermsForURL(*i, row.url(), search_terms);
1853 void TemplateURLService::AddTabToSearchVisit(const TemplateURL& t_url) {
1854 // Only add visits for entries the user hasn't modified. If the user modified
1855 // the entry the keyword may no longer correspond to the host name. It may be
1856 // possible to do something more sophisticated here, but it's so rare as to
1858 if (!t_url.safe_for_autoreplace())
1864 HistoryService* history =
1865 HistoryServiceFactory::GetForProfile(profile_, Profile::EXPLICIT_ACCESS);
1869 GURL url(URLFixerUpper::FixupURL(base::UTF16ToUTF8(t_url.keyword()),
1871 if (!url.is_valid())
1874 // Synthesize a visit for the keyword. This ensures the url for the keyword is
1875 // autocompleted even if the user doesn't type the url in directly.
1876 history->AddPage(url, base::Time::Now(), NULL, 0, GURL(),
1877 history::RedirectList(),
1878 content::PAGE_TRANSITION_KEYWORD_GENERATED,
1879 history::SOURCE_BROWSED, false);
1882 void TemplateURLService::GoogleBaseURLChanged(const GURL& old_base_url) {
1883 WebDataService::KeywordBatchModeScoper keyword_scoper(service_.get());
1884 bool something_changed = false;
1885 for (TemplateURLVector::iterator i(template_urls_.begin());
1886 i != template_urls_.end(); ++i) {
1887 TemplateURL* t_url = *i;
1888 if (t_url->HasGoogleBaseURLs()) {
1889 TemplateURL updated_turl(t_url->profile(), t_url->data());
1890 updated_turl.ResetKeywordIfNecessary(false);
1891 KeywordToTemplateMap::const_iterator existing_entry =
1892 keyword_to_template_map_.find(updated_turl.keyword());
1893 if ((existing_entry != keyword_to_template_map_.end()) &&
1894 (existing_entry->second != t_url)) {
1895 // The new autogenerated keyword conflicts with another TemplateURL.
1896 // Overwrite it if it's replaceable; otherwise, leave |t_url| using its
1897 // current keyword. (This will not prevent |t_url| from auto-updating
1898 // the keyword in the future if the conflicting TemplateURL disappears.)
1899 // Note that we must still update |t_url| in this case, or the
1900 // |provider_map_| will not be updated correctly.
1901 if (CanReplace(existing_entry->second))
1902 RemoveNoNotify(existing_entry->second);
1904 updated_turl.data_.SetKeyword(t_url->keyword());
1906 something_changed = true;
1907 // This will send the keyword change to sync. Note that other clients
1908 // need to reset the keyword to an appropriate local value when this
1909 // change arrives; see CreateTemplateURLFromTemplateURLAndSyncData().
1910 UpdateNoNotify(t_url, updated_turl,
1911 OldBaseURLSearchTermsData(t_url->profile(), old_base_url.spec()));
1914 if (something_changed)
1918 void TemplateURLService::OnDefaultSearchChange(
1919 const TemplateURLData* data,
1920 DefaultSearchManager::Source source) {
1921 if (GetPrefs() && (source == DefaultSearchManager::FROM_USER) &&
1922 ((source != default_search_provider_source_) ||
1923 !IdenticalSyncGUIDs(data, GetDefaultSearchProvider()))) {
1924 GetPrefs()->SetString(prefs::kSyncedDefaultSearchProviderGUID,
1927 ApplyDefaultSearchChange(data, source);
1930 void TemplateURLService::ApplyDefaultSearchChange(
1931 const TemplateURLData* data,
1932 DefaultSearchManager::Source source) {
1934 // Set |initial_default_search_provider_| from the preferences. This is
1935 // mainly so we can hold ownership until we get to the point where the list
1936 // of keywords from Web Data is the owner of everything including the
1938 initial_default_search_provider_.reset(
1939 data ? new TemplateURL(profile_, *data) : NULL);
1940 default_search_provider_source_ = source;
1944 // Prevent recursion if we update the value stored in default_search_manager_.
1945 // Note that we exclude the case of data == NULL because that could cause a
1946 // false positive for recursion when the initial_default_search_provider_ is
1947 // NULL due to policy. We'll never actually get recursion with data == NULL.
1948 if (source == default_search_provider_source_ && data != NULL &&
1949 TemplateURL::MatchesData(default_search_provider_, data))
1952 UMA_HISTOGRAM_ENUMERATION("Search.DefaultSearchChangeOrigin",
1953 dsp_change_origin_, DSP_CHANGE_MAX);
1955 WebDataService::KeywordBatchModeScoper keyword_scoper(service_.get());
1956 if (default_search_provider_source_ == DefaultSearchManager::FROM_POLICY ||
1957 source == DefaultSearchManager::FROM_POLICY) {
1958 // We do this both to remove any no-longer-applicable policy-defined DSE as
1959 // well as to add the new one, if appropriate.
1960 UpdateProvidersCreatedByPolicy(
1962 source == DefaultSearchManager::FROM_POLICY ? data : NULL);
1966 default_search_provider_ = NULL;
1967 default_search_provider_source_ = source;
1972 if (source == DefaultSearchManager::FROM_EXTENSION) {
1973 default_search_provider_ = FindMatchingExtensionTemplateURL(
1974 *data, TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION);
1977 if (source == DefaultSearchManager::FROM_FALLBACK) {
1978 default_search_provider_ =
1979 FindPrepopulatedTemplateURL(data->prepopulate_id);
1980 if (default_search_provider_) {
1981 TemplateURLData update_data(*data);
1982 update_data.sync_guid = default_search_provider_->sync_guid();
1983 if (!default_search_provider_->safe_for_autoreplace()) {
1984 update_data.safe_for_autoreplace = false;
1985 update_data.SetKeyword(default_search_provider_->keyword());
1986 update_data.short_name = default_search_provider_->short_name();
1988 UIThreadSearchTermsData search_terms_data(
1989 default_search_provider_->profile());
1990 UpdateNoNotify(default_search_provider_,
1991 TemplateURL(profile_, update_data),
1994 // Normally the prepopulated fallback should be present in
1995 // |template_urls_|, but in a few cases it might not be:
1996 // (1) Tests that initialize the TemplateURLService in peculiar ways.
1997 // (2) If the user deleted the pre-populated default and we subsequently
1998 // lost their user-selected value.
1999 TemplateURL* new_dse = new TemplateURL(profile_, *data);
2000 if (AddNoNotify(new_dse, true))
2001 default_search_provider_ = new_dse;
2004 if (source == DefaultSearchManager::FROM_USER) {
2005 default_search_provider_ = GetTemplateURLForGUID(data->sync_guid);
2006 if (!default_search_provider_ && data->prepopulate_id) {
2007 default_search_provider_ =
2008 FindPrepopulatedTemplateURL(data->prepopulate_id);
2010 TemplateURLData new_data(*data);
2011 new_data.show_in_default_list = true;
2012 if (default_search_provider_) {
2013 UIThreadSearchTermsData search_terms_data(
2014 default_search_provider_->profile());
2015 UpdateNoNotify(default_search_provider_,
2016 TemplateURL(profile_, new_data),
2019 new_data.id = kInvalidTemplateURLID;
2020 TemplateURL* new_dse = new TemplateURL(profile_, new_data);
2021 if (AddNoNotify(new_dse, true))
2022 default_search_provider_ = new_dse;
2024 if (default_search_provider_ && GetPrefs()) {
2025 GetPrefs()->SetString(
2026 prefs::kSyncedDefaultSearchProviderGUID,
2027 default_search_provider_->sync_guid());
2032 default_search_provider_source_ = source;
2034 if (default_search_provider_ &&
2035 default_search_provider_->HasGoogleBaseURLs()) {
2037 GoogleURLTracker::RequestServerCheck(profile_, false);
2038 #if defined(ENABLE_RLZ)
2039 RLZTracker::RecordProductEvent(rlz_lib::CHROME,
2040 RLZTracker::CHROME_OMNIBOX,
2041 rlz_lib::SET_TO_GOOGLE);
2048 bool TemplateURLService::AddNoNotify(TemplateURL* template_url,
2049 bool newly_adding) {
2050 DCHECK(template_url);
2053 DCHECK_EQ(kInvalidTemplateURLID, template_url->id());
2054 DCHECK(std::find(template_urls_.begin(), template_urls_.end(),
2055 template_url) == template_urls_.end());
2056 template_url->data_.id = ++next_id_;
2059 template_url->ResetKeywordIfNecessary(false);
2060 // Check whether |template_url|'s keyword conflicts with any already in the
2062 TemplateURL* existing_keyword_turl =
2063 GetTemplateURLForKeyword(template_url->keyword());
2065 // Check whether |template_url|'s keyword conflicts with any already in the
2066 // model. Note that we can reach here during the loading phase while
2067 // processing the template URLs from the web data service. In this case,
2068 // GetTemplateURLForKeyword() will look not only at what's already in the
2069 // model, but at the |initial_default_search_provider_|. Since this engine
2070 // will presumably also be present in the web data, we need to double-check
2071 // that any "pre-existing" entries we find are actually coming from
2072 // |template_urls_|, lest we detect a "conflict" between the
2073 // |initial_default_search_provider_| and the web data version of itself.
2074 if (existing_keyword_turl &&
2075 (std::find(template_urls_.begin(), template_urls_.end(),
2076 existing_keyword_turl) != template_urls_.end())) {
2077 DCHECK_NE(existing_keyword_turl, template_url);
2078 // Only replace one of the TemplateURLs if they are either both extensions,
2079 // or both not extensions.
2080 bool are_same_type = existing_keyword_turl->GetType() ==
2081 template_url->GetType();
2082 if (CanReplace(existing_keyword_turl) && are_same_type) {
2083 RemoveNoNotify(existing_keyword_turl);
2084 } else if (CanReplace(template_url) && are_same_type) {
2085 delete template_url;
2088 base::string16 new_keyword =
2089 UniquifyKeyword(*existing_keyword_turl, false);
2090 ResetTemplateURLNoNotify(existing_keyword_turl,
2091 existing_keyword_turl->short_name(), new_keyword,
2092 existing_keyword_turl->url());
2095 template_urls_.push_back(template_url);
2096 AddToMaps(template_url);
2099 (template_url->GetType() !=
2100 TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION)) {
2102 service_->AddKeyword(template_url->data());
2104 // Inform sync of the addition. Note that this will assign a GUID to
2105 // template_url and add it to the guid_to_template_map_.
2106 ProcessTemplateURLChange(FROM_HERE,
2108 syncer::SyncChange::ACTION_ADD);
2114 void TemplateURLService::RemoveNoNotify(TemplateURL* template_url) {
2115 DCHECK(template_url != default_search_provider_);
2117 TemplateURLVector::iterator i =
2118 std::find(template_urls_.begin(), template_urls_.end(), template_url);
2119 if (i == template_urls_.end())
2122 RemoveFromMaps(template_url);
2124 // Remove it from the vector containing all TemplateURLs.
2125 template_urls_.erase(i);
2127 if (template_url->GetType() != TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION) {
2129 service_->RemoveKeyword(template_url->id());
2131 // Inform sync of the deletion.
2132 ProcessTemplateURLChange(FROM_HERE,
2134 syncer::SyncChange::ACTION_DELETE);
2136 UMA_HISTOGRAM_ENUMERATION(kDeleteSyncedEngineHistogramName,
2137 DELETE_ENGINE_USER_ACTION, DELETE_ENGINE_MAX);
2140 if (loaded_ && profile_) {
2141 content::Source<Profile> source(profile_);
2142 TemplateURLID id = template_url->id();
2143 content::NotificationService::current()->Notify(
2144 chrome::NOTIFICATION_TEMPLATE_URL_REMOVED,
2146 content::Details<TemplateURLID>(&id));
2149 // We own the TemplateURL and need to delete it.
2150 delete template_url;
2153 bool TemplateURLService::ResetTemplateURLNoNotify(
2155 const base::string16& title,
2156 const base::string16& keyword,
2157 const std::string& search_url) {
2158 DCHECK(!keyword.empty());
2159 DCHECK(!search_url.empty());
2160 TemplateURLData data(url->data());
2161 data.short_name = title;
2162 data.SetKeyword(keyword);
2163 if (search_url != data.url()) {
2164 data.SetURL(search_url);
2165 // The urls have changed, reset the favicon url.
2166 data.favicon_url = GURL();
2168 data.safe_for_autoreplace = false;
2169 data.last_modified = time_provider_();
2170 UIThreadSearchTermsData search_terms_data(url->profile());
2171 return UpdateNoNotify(url, TemplateURL(profile_, data), search_terms_data);
2174 void TemplateURLService::NotifyObservers() {
2178 FOR_EACH_OBSERVER(TemplateURLServiceObserver, model_observers_,
2179 OnTemplateURLServiceChanged());
2182 // |template_urls| are the TemplateURLs loaded from the database.
2183 // |default_from_prefs| is the default search provider from the preferences, or
2184 // NULL if the DSE is not policy-defined.
2186 // This function removes from the vector and the database all the TemplateURLs
2187 // that were set by policy, unless it is the current default search provider, in
2188 // which case it is updated with the data from prefs.
2189 void TemplateURLService::UpdateProvidersCreatedByPolicy(
2190 TemplateURLVector* template_urls,
2191 const TemplateURLData* default_from_prefs) {
2192 DCHECK(template_urls);
2194 for (TemplateURLVector::iterator i = template_urls->begin();
2195 i != template_urls->end(); ) {
2196 TemplateURL* template_url = *i;
2197 if (template_url->created_by_policy()) {
2198 if (default_from_prefs &&
2199 TemplateURL::MatchesData(template_url, default_from_prefs)) {
2200 // If the database specified a default search provider that was set
2201 // by policy, and the default search provider from the preferences
2202 // is also set by policy and they are the same, keep the entry in the
2203 // database and the |default_search_provider|.
2204 default_search_provider_ = template_url;
2205 // Prevent us from saving any other entries, or creating a new one.
2206 default_from_prefs = NULL;
2211 RemoveFromMaps(template_url);
2212 i = template_urls->erase(i);
2214 service_->RemoveKeyword(template_url->id());
2215 delete template_url;
2221 if (default_from_prefs) {
2222 default_search_provider_ = NULL;
2223 default_search_provider_source_ = DefaultSearchManager::FROM_POLICY;
2224 TemplateURLData new_data(*default_from_prefs);
2225 if (new_data.sync_guid.empty())
2226 new_data.sync_guid = base::GenerateGUID();
2227 new_data.created_by_policy = true;
2228 TemplateURL* new_dse = new TemplateURL(profile_, new_data);
2229 if (AddNoNotify(new_dse, true))
2230 default_search_provider_ = new_dse;
2234 void TemplateURLService::ResetTemplateURLGUID(TemplateURL* url,
2235 const std::string& guid) {
2237 DCHECK(!guid.empty());
2239 TemplateURLData data(url->data());
2240 data.sync_guid = guid;
2241 UIThreadSearchTermsData search_terms_data(url->profile());
2242 UpdateNoNotify(url, TemplateURL(profile_, data), search_terms_data);
2245 base::string16 TemplateURLService::UniquifyKeyword(const TemplateURL& turl,
2249 if (!GetTemplateURLForKeyword(turl.keyword()))
2250 return turl.keyword();
2252 // First, try to return the generated keyword for the TemplateURL (except
2253 // for extensions, as their keywords are not associated with their URLs).
2254 GURL gurl(turl.url());
2255 if (gurl.is_valid() &&
2256 (turl.GetType() != TemplateURL::OMNIBOX_API_EXTENSION)) {
2257 base::string16 keyword_candidate = GenerateKeyword(gurl);
2258 if (!GetTemplateURLForKeyword(keyword_candidate))
2259 return keyword_candidate;
2263 // We try to uniquify the keyword by appending a special character to the end.
2264 // This is a best-effort approach where we try to preserve the original
2265 // keyword and let the user do what they will after our attempt.
2266 base::string16 keyword_candidate(turl.keyword());
2268 keyword_candidate.append(base::ASCIIToUTF16("_"));
2269 } while (GetTemplateURLForKeyword(keyword_candidate));
2271 return keyword_candidate;
2274 bool TemplateURLService::IsLocalTemplateURLBetter(
2275 const TemplateURL* local_turl,
2276 const TemplateURL* sync_turl) {
2277 DCHECK(GetTemplateURLForGUID(local_turl->sync_guid()));
2278 return local_turl->last_modified() > sync_turl->last_modified() ||
2279 local_turl->created_by_policy() ||
2280 local_turl== GetDefaultSearchProvider();
2283 void TemplateURLService::ResolveSyncKeywordConflict(
2284 TemplateURL* unapplied_sync_turl,
2285 TemplateURL* applied_sync_turl,
2286 syncer::SyncChangeList* change_list) {
2288 DCHECK(unapplied_sync_turl);
2289 DCHECK(applied_sync_turl);
2290 DCHECK(change_list);
2291 DCHECK_EQ(applied_sync_turl->keyword(), unapplied_sync_turl->keyword());
2292 DCHECK_NE(TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION,
2293 applied_sync_turl->GetType());
2295 // Both |unapplied_sync_turl| and |applied_sync_turl| are known to Sync, so
2296 // don't delete either of them. Instead, determine which is "better" and
2297 // uniquify the other one, sending an update to the server for the updated
2299 const bool applied_turl_is_better =
2300 IsLocalTemplateURLBetter(applied_sync_turl, unapplied_sync_turl);
2301 TemplateURL* loser = applied_turl_is_better ?
2302 unapplied_sync_turl : applied_sync_turl;
2303 base::string16 new_keyword = UniquifyKeyword(*loser, false);
2304 DCHECK(!GetTemplateURLForKeyword(new_keyword));
2305 if (applied_turl_is_better) {
2306 // Just set the keyword of |unapplied_sync_turl|. The caller is responsible
2307 // for adding or updating unapplied_sync_turl in the local model.
2308 unapplied_sync_turl->data_.SetKeyword(new_keyword);
2310 // Update |applied_sync_turl| in the local model with the new keyword.
2311 TemplateURLData data(applied_sync_turl->data());
2312 data.SetKeyword(new_keyword);
2313 UIThreadSearchTermsData search_terms_data(applied_sync_turl->profile());
2315 applied_sync_turl, TemplateURL(profile_, data), search_terms_data))
2318 // The losing TemplateURL should have their keyword updated. Send a change to
2319 // the server to reflect this change.
2320 syncer::SyncData sync_data = CreateSyncDataFromTemplateURL(*loser);
2321 change_list->push_back(syncer::SyncChange(FROM_HERE,
2322 syncer::SyncChange::ACTION_UPDATE,
2326 void TemplateURLService::MergeInSyncTemplateURL(
2327 TemplateURL* sync_turl,
2328 const SyncDataMap& sync_data,
2329 syncer::SyncChangeList* change_list,
2330 SyncDataMap* local_data,
2331 syncer::SyncMergeResult* merge_result) {
2333 DCHECK(!GetTemplateURLForGUID(sync_turl->sync_guid()));
2334 DCHECK(IsFromSync(sync_turl, sync_data));
2336 TemplateURL* conflicting_turl =
2337 FindNonExtensionTemplateURLForKeyword(sync_turl->keyword());
2338 bool should_add_sync_turl = true;
2340 // If there was no TemplateURL in the local model that conflicts with
2341 // |sync_turl|, skip the following preparation steps and just add |sync_turl|
2342 // directly. Otherwise, modify |conflicting_turl| to make room for
2344 if (conflicting_turl) {
2345 if (IsFromSync(conflicting_turl, sync_data)) {
2346 // |conflicting_turl| is already known to Sync, so we're not allowed to
2347 // remove it. In this case, we want to uniquify the worse one and send an
2348 // update for the changed keyword to sync. We can reuse the logic from
2349 // ResolveSyncKeywordConflict for this.
2350 ResolveSyncKeywordConflict(sync_turl, conflicting_turl, change_list);
2351 merge_result->set_num_items_modified(
2352 merge_result->num_items_modified() + 1);
2354 // |conflicting_turl| is not yet known to Sync. If it is better, then we
2355 // want to transfer its values up to sync. Otherwise, we remove it and
2356 // allow the entry from Sync to overtake it in the model.
2357 const std::string guid = conflicting_turl->sync_guid();
2358 if (IsLocalTemplateURLBetter(conflicting_turl, sync_turl)) {
2359 ResetTemplateURLGUID(conflicting_turl, sync_turl->sync_guid());
2360 syncer::SyncData sync_data =
2361 CreateSyncDataFromTemplateURL(*conflicting_turl);
2362 change_list->push_back(syncer::SyncChange(
2363 FROM_HERE, syncer::SyncChange::ACTION_UPDATE, sync_data));
2364 // Note that in this case we do not add the Sync TemplateURL to the
2365 // local model, since we've effectively "merged" it in by updating the
2366 // local conflicting entry with its sync_guid.
2367 should_add_sync_turl = false;
2368 merge_result->set_num_items_modified(
2369 merge_result->num_items_modified() + 1);
2371 // We guarantee that this isn't the local search provider. Otherwise,
2372 // local would have won.
2373 DCHECK(conflicting_turl != GetDefaultSearchProvider());
2374 Remove(conflicting_turl);
2375 merge_result->set_num_items_deleted(
2376 merge_result->num_items_deleted() + 1);
2378 // This TemplateURL was either removed or overwritten in the local model.
2379 // Remove the entry from the local data so it isn't pushed up to Sync.
2380 local_data->erase(guid);
2384 if (should_add_sync_turl) {
2385 // Force the local ID to kInvalidTemplateURLID so we can add it.
2386 TemplateURLData data(sync_turl->data());
2387 data.id = kInvalidTemplateURLID;
2388 TemplateURL* added = new TemplateURL(profile_, data);
2389 base::AutoReset<DefaultSearchChangeOrigin> change_origin(
2390 &dsp_change_origin_, DSP_CHANGE_SYNC_ADD);
2392 MaybeUpdateDSEAfterSync(added);
2393 merge_result->set_num_items_added(
2394 merge_result->num_items_added() + 1);
2398 void TemplateURLService::PatchMissingSyncGUIDs(
2399 TemplateURLVector* template_urls) {
2400 DCHECK(template_urls);
2401 for (TemplateURLVector::iterator i = template_urls->begin();
2402 i != template_urls->end(); ++i) {
2403 TemplateURL* template_url = *i;
2404 DCHECK(template_url);
2405 if (template_url->sync_guid().empty() &&
2406 (template_url->GetType() !=
2407 TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION)) {
2408 template_url->data_.sync_guid = base::GenerateGUID();
2410 service_->UpdateKeyword(template_url->data());
2415 void TemplateURLService::OnSyncedDefaultSearchProviderGUIDChanged() {
2416 base::AutoReset<DefaultSearchChangeOrigin> change_origin(
2417 &dsp_change_origin_, DSP_CHANGE_SYNC_PREF);
2419 std::string new_guid =
2420 GetPrefs()->GetString(prefs::kSyncedDefaultSearchProviderGUID);
2421 if (new_guid.empty()) {
2422 default_search_manager_.ClearUserSelectedDefaultSearchEngine();
2426 TemplateURL* turl = GetTemplateURLForGUID(new_guid);
2428 default_search_manager_.SetUserSelectedDefaultSearchEngine(turl->data());
2431 TemplateURL* TemplateURLService::FindPrepopulatedTemplateURL(
2432 int prepopulated_id) {
2433 for (TemplateURLVector::const_iterator i = template_urls_.begin();
2434 i != template_urls_.end(); ++i) {
2435 if ((*i)->prepopulate_id() == prepopulated_id)
2441 TemplateURL* TemplateURLService::CreateTemplateURLForExtension(
2442 const ExtensionKeyword& extension_keyword) {
2443 TemplateURLData data;
2444 data.short_name = base::UTF8ToUTF16(extension_keyword.extension_name);
2445 data.SetKeyword(base::UTF8ToUTF16(extension_keyword.extension_keyword));
2446 // This URL is not actually used for navigation. It holds the extension's
2447 // ID, as well as forcing the TemplateURL to be treated as a search keyword.
2448 data.SetURL(std::string(extensions::kExtensionScheme) + "://" +
2449 extension_keyword.extension_id + "/?q={searchTerms}");
2450 return new TemplateURL(profile_, data);
2453 TemplateURL* TemplateURLService::FindTemplateURLForExtension(
2454 const std::string& extension_id,
2455 TemplateURL::Type type) {
2456 DCHECK_NE(TemplateURL::NORMAL, type);
2457 for (TemplateURLVector::const_iterator i = template_urls_.begin();
2458 i != template_urls_.end(); ++i) {
2459 if ((*i)->GetType() == type &&
2460 (*i)->GetExtensionId() == extension_id)
2466 TemplateURL* TemplateURLService::FindMatchingExtensionTemplateURL(
2467 const TemplateURLData& data,
2468 TemplateURL::Type type) {
2469 DCHECK_NE(TemplateURL::NORMAL, type);
2470 for (TemplateURLVector::const_iterator i = template_urls_.begin();
2471 i != template_urls_.end(); ++i) {
2472 if ((*i)->GetType() == type && TemplateURL::MatchesData(*i, &data))
2478 void TemplateURLService::UpdateExtensionDefaultSearchEngine() {
2479 TemplateURL* most_recently_intalled_default = NULL;
2480 for (TemplateURLVector::const_iterator i = template_urls_.begin();
2481 i != template_urls_.end(); ++i) {
2482 if (((*i)->GetType() == TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION) &&
2483 (*i)->extension_info_->wants_to_be_default_engine &&
2484 (*i)->SupportsReplacement() &&
2485 (!most_recently_intalled_default ||
2486 (most_recently_intalled_default->extension_info_->install_time <
2487 (*i)->extension_info_->install_time)))
2488 most_recently_intalled_default = *i;
2491 if (most_recently_intalled_default) {
2492 base::AutoReset<DefaultSearchChangeOrigin> change_origin(
2493 &dsp_change_origin_, DSP_CHANGE_OVERRIDE_SETTINGS_EXTENSION);
2494 default_search_manager_.SetExtensionControlledDefaultSearchEngine(
2495 most_recently_intalled_default->data());
2497 default_search_manager_.ClearExtensionControlledDefaultSearchEngine();