1 // Copyright 2014 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 "components/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/guid.h"
14 #include "base/i18n/case_conversion.h"
15 #include "base/memory/scoped_vector.h"
16 #include "base/metrics/histogram.h"
17 #include "base/prefs/pref_service.h"
18 #include "base/profiler/scoped_tracker.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 "components/rappor/rappor_service.h"
26 #include "components/search_engines/search_engines_pref_names.h"
27 #include "components/search_engines/search_host_to_urls_map.h"
28 #include "components/search_engines/search_terms_data.h"
29 #include "components/search_engines/template_url.h"
30 #include "components/search_engines/template_url_prepopulate_data.h"
31 #include "components/search_engines/template_url_service_client.h"
32 #include "components/search_engines/template_url_service_observer.h"
33 #include "components/search_engines/util.h"
34 #include "components/url_fixer/url_fixer.h"
35 #include "net/base/net_util.h"
36 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
37 #include "sync/api/sync_change.h"
38 #include "sync/api/sync_error_factory.h"
39 #include "sync/protocol/search_engine_specifics.pb.h"
40 #include "sync/protocol/sync.pb.h"
43 typedef SearchHostToURLsMap::TemplateURLSet TemplateURLSet;
44 typedef TemplateURLService::SyncDataMap SyncDataMap;
48 bool IdenticalSyncGUIDs(const TemplateURLData* data, const TemplateURL* turl) {
50 return !data && !turl;
52 return data->sync_guid == turl->sync_guid();
55 const char kDeleteSyncedEngineHistogramName[] =
56 "Search.DeleteSyncedSearchEngine";
58 // Values for an enumerated histogram used to track whenever an ACTION_DELETE is
59 // sent to the server for search engines.
60 enum DeleteSyncedSearchEngineEvent {
61 DELETE_ENGINE_USER_ACTION,
62 DELETE_ENGINE_PRE_SYNC,
63 DELETE_ENGINE_EMPTY_FIELD,
67 // Returns true iff the change in |change_list| at index |i| should not be sent
68 // up to the server based on its GUIDs presence in |sync_data| or when compared
69 // to changes after it in |change_list|.
71 // 1) It is an ACTION_UPDATE or ACTION_DELETE and the sync_guid associated
72 // with it is NOT found in |sync_data|. We can only update and remove
73 // entries that were originally from the Sync server.
74 // 2) It is an ACTION_ADD and the sync_guid associated with it is found in
75 // |sync_data|. We cannot re-add entries that Sync already knew about.
76 // 3) There is an update after an update for the same GUID. We prune earlier
77 // ones just to save bandwidth (Sync would normally coalesce them).
78 bool ShouldRemoveSyncChange(size_t index,
79 syncer::SyncChangeList* change_list,
80 const SyncDataMap* sync_data) {
81 DCHECK(index < change_list->size());
82 const syncer::SyncChange& change_i = (*change_list)[index];
83 const std::string guid = change_i.sync_data().GetSpecifics()
84 .search_engine().sync_guid();
85 syncer::SyncChange::SyncChangeType type = change_i.change_type();
86 if ((type == syncer::SyncChange::ACTION_UPDATE ||
87 type == syncer::SyncChange::ACTION_DELETE) &&
88 sync_data->find(guid) == sync_data->end())
90 if (type == syncer::SyncChange::ACTION_ADD &&
91 sync_data->find(guid) != sync_data->end())
93 if (type == syncer::SyncChange::ACTION_UPDATE) {
94 for (size_t j = index + 1; j < change_list->size(); j++) {
95 const syncer::SyncChange& change_j = (*change_list)[j];
96 if ((syncer::SyncChange::ACTION_UPDATE == change_j.change_type()) &&
97 (change_j.sync_data().GetSpecifics().search_engine().sync_guid() ==
105 // Remove SyncChanges that should not be sent to the server from |change_list|.
106 // This is done to eliminate incorrect SyncChanges added by the merge and
107 // conflict resolution logic when it is unsure of whether or not an entry is new
108 // from Sync or originally from the local model. This also removes changes that
109 // would be otherwise be coalesced by Sync in order to save bandwidth.
110 void PruneSyncChanges(const SyncDataMap* sync_data,
111 syncer::SyncChangeList* change_list) {
112 for (size_t i = 0; i < change_list->size(); ) {
113 if (ShouldRemoveSyncChange(i, change_list, sync_data))
114 change_list->erase(change_list->begin() + i);
120 // Returns true if |turl|'s GUID is not found inside |sync_data|. This is to be
121 // used in MergeDataAndStartSyncing to differentiate between TemplateURLs from
122 // Sync and TemplateURLs that were initially local, assuming |sync_data| is the
123 // |initial_sync_data| parameter.
124 bool IsFromSync(const TemplateURL* turl, const SyncDataMap& sync_data) {
125 return !!sync_data.count(turl->sync_guid());
128 // Log the number of instances of a keyword that exist, with zero or more
129 // underscores, which could occur as the result of conflict resolution.
130 void LogDuplicatesHistogram(
131 const TemplateURLService::TemplateURLVector& template_urls) {
132 std::map<std::string, int> duplicates;
133 for (TemplateURLService::TemplateURLVector::const_iterator it =
134 template_urls.begin(); it != template_urls.end(); ++it) {
135 std::string keyword = base::UTF16ToASCII((*it)->keyword());
136 base::TrimString(keyword, "_", &keyword);
137 duplicates[keyword]++;
140 // Count the keywords with duplicates.
142 for (std::map<std::string, int>::const_iterator it = duplicates.begin();
143 it != duplicates.end(); ++it) {
148 UMA_HISTOGRAM_COUNTS_100("Search.SearchEngineDuplicateCounts", num_dupes);
154 // TemplateURLService::LessWithPrefix -----------------------------------------
156 class TemplateURLService::LessWithPrefix {
158 // We want to find the set of keywords that begin with a prefix. The STL
159 // algorithms will return the set of elements that are "equal to" the
160 // prefix, where "equal(x, y)" means "!(cmp(x, y) || cmp(y, x))". When
161 // cmp() is the typical std::less<>, this results in lexicographic equality;
162 // we need to extend this to mark a prefix as "not less than" a keyword it
163 // begins, which will cause the desired elements to be considered "equal to"
164 // the prefix. Note: this is still a strict weak ordering, as required by
165 // equal_range() (though I will not prove that here).
167 // Unfortunately the calling convention is not "prefix and element" but
168 // rather "two elements", so we pass the prefix as a fake "element" which has
169 // a NULL KeywordDataElement pointer.
170 bool operator()(const KeywordToTemplateMap::value_type& elem1,
171 const KeywordToTemplateMap::value_type& elem2) const {
172 return (elem1.second == NULL) ?
173 (elem2.first.compare(0, elem1.first.length(), elem1.first) > 0) :
174 (elem1.first < elem2.first);
179 // TemplateURLService ---------------------------------------------------------
181 TemplateURLService::TemplateURLService(
183 scoped_ptr<SearchTermsData> search_terms_data,
184 const scoped_refptr<KeywordWebDataService>& web_data_service,
185 scoped_ptr<TemplateURLServiceClient> client,
186 GoogleURLTracker* google_url_tracker,
187 rappor::RapporService* rappor_service,
188 const base::Closure& dsp_change_callback)
190 search_terms_data_(search_terms_data.Pass()),
191 web_data_service_(web_data_service),
192 client_(client.Pass()),
193 google_url_tracker_(google_url_tracker),
194 rappor_service_(rappor_service),
195 dsp_change_callback_(dsp_change_callback),
196 provider_map_(new SearchHostToURLsMap),
200 default_search_provider_(NULL),
201 next_id_(kInvalidTemplateURLID + 1),
202 time_provider_(&base::Time::Now),
203 models_associated_(false),
204 processing_syncer_changes_(false),
205 dsp_change_origin_(DSP_CHANGE_OTHER),
206 default_search_manager_(
208 base::Bind(&TemplateURLService::OnDefaultSearchChange,
209 base::Unretained(this))) {
210 DCHECK(search_terms_data_);
214 TemplateURLService::TemplateURLService(const Initializer* initializers,
217 search_terms_data_(new SearchTermsData),
218 web_data_service_(NULL),
219 google_url_tracker_(NULL),
220 rappor_service_(NULL),
221 provider_map_(new SearchHostToURLsMap),
225 default_search_provider_(NULL),
226 next_id_(kInvalidTemplateURLID + 1),
227 time_provider_(&base::Time::Now),
228 models_associated_(false),
229 processing_syncer_changes_(false),
230 dsp_change_origin_(DSP_CHANGE_OTHER),
231 default_search_manager_(
233 base::Bind(&TemplateURLService::OnDefaultSearchChange,
234 base::Unretained(this))) {
235 Init(initializers, count);
238 TemplateURLService::~TemplateURLService() {
239 // |web_data_service_| should be deleted during Shutdown().
240 DCHECK(!web_data_service_.get());
241 STLDeleteElements(&template_urls_);
245 bool TemplateURLService::LoadDefaultSearchProviderFromPrefs(
247 scoped_ptr<TemplateURLData>* default_provider_data,
249 if (!prefs || !prefs->HasPrefPath(prefs::kDefaultSearchProviderSearchURL) ||
250 !prefs->HasPrefPath(prefs::kDefaultSearchProviderKeyword))
253 const PrefService::Preference* pref =
254 prefs->FindPreference(prefs::kDefaultSearchProviderSearchURL);
255 *is_managed = pref && pref->IsManaged();
257 if (!prefs->GetBoolean(prefs::kDefaultSearchProviderEnabled)) {
258 // The user doesn't want a default search provider.
259 default_provider_data->reset(NULL);
263 base::string16 name =
264 base::UTF8ToUTF16(prefs->GetString(prefs::kDefaultSearchProviderName));
265 base::string16 keyword =
266 base::UTF8ToUTF16(prefs->GetString(prefs::kDefaultSearchProviderKeyword));
269 std::string search_url =
270 prefs->GetString(prefs::kDefaultSearchProviderSearchURL);
271 // Force URL to be non-empty. We've never supported this case, but past bugs
272 // might have resulted in it slipping through; eventually this code can be
273 // replaced with a DCHECK(!search_url.empty());.
274 if (search_url.empty())
276 std::string suggest_url =
277 prefs->GetString(prefs::kDefaultSearchProviderSuggestURL);
278 std::string instant_url =
279 prefs->GetString(prefs::kDefaultSearchProviderInstantURL);
280 std::string image_url =
281 prefs->GetString(prefs::kDefaultSearchProviderImageURL);
282 std::string new_tab_url =
283 prefs->GetString(prefs::kDefaultSearchProviderNewTabURL);
284 std::string search_url_post_params =
285 prefs->GetString(prefs::kDefaultSearchProviderSearchURLPostParams);
286 std::string suggest_url_post_params =
287 prefs->GetString(prefs::kDefaultSearchProviderSuggestURLPostParams);
288 std::string instant_url_post_params =
289 prefs->GetString(prefs::kDefaultSearchProviderInstantURLPostParams);
290 std::string image_url_post_params =
291 prefs->GetString(prefs::kDefaultSearchProviderImageURLPostParams);
292 std::string icon_url =
293 prefs->GetString(prefs::kDefaultSearchProviderIconURL);
294 std::string encodings =
295 prefs->GetString(prefs::kDefaultSearchProviderEncodings);
296 std::string id_string = prefs->GetString(prefs::kDefaultSearchProviderID);
297 std::string prepopulate_id =
298 prefs->GetString(prefs::kDefaultSearchProviderPrepopulateID);
299 const base::ListValue* alternate_urls =
300 prefs->GetList(prefs::kDefaultSearchProviderAlternateURLs);
301 std::string search_terms_replacement_key = prefs->GetString(
302 prefs::kDefaultSearchProviderSearchTermsReplacementKey);
304 default_provider_data->reset(new TemplateURLData);
305 (*default_provider_data)->short_name = name;
306 (*default_provider_data)->SetKeyword(keyword);
307 (*default_provider_data)->SetURL(search_url);
308 (*default_provider_data)->suggestions_url = suggest_url;
309 (*default_provider_data)->instant_url = instant_url;
310 (*default_provider_data)->image_url = image_url;
311 (*default_provider_data)->new_tab_url = new_tab_url;
312 (*default_provider_data)->search_url_post_params = search_url_post_params;
313 (*default_provider_data)->suggestions_url_post_params =
314 suggest_url_post_params;
315 (*default_provider_data)->instant_url_post_params = instant_url_post_params;
316 (*default_provider_data)->image_url_post_params = image_url_post_params;
317 (*default_provider_data)->favicon_url = GURL(icon_url);
318 (*default_provider_data)->show_in_default_list = true;
319 (*default_provider_data)->alternate_urls.clear();
320 for (size_t i = 0; i < alternate_urls->GetSize(); ++i) {
321 std::string alternate_url;
322 if (alternate_urls->GetString(i, &alternate_url))
323 (*default_provider_data)->alternate_urls.push_back(alternate_url);
325 (*default_provider_data)->search_terms_replacement_key =
326 search_terms_replacement_key;
327 base::SplitString(encodings, ';', &(*default_provider_data)->input_encodings);
328 if (!id_string.empty() && !*is_managed) {
330 base::StringToInt64(id_string, &value);
331 (*default_provider_data)->id = value;
333 if (!prepopulate_id.empty() && !*is_managed) {
335 base::StringToInt(prepopulate_id, &value);
336 (*default_provider_data)->prepopulate_id = value;
342 base::string16 TemplateURLService::CleanUserInputKeyword(
343 const base::string16& keyword) {
344 // Remove the scheme.
345 base::string16 result(base::i18n::ToLower(keyword));
346 base::TrimWhitespace(result, base::TRIM_ALL, &result);
347 url::Component scheme_component;
348 if (url::ExtractScheme(base::UTF16ToUTF8(keyword).c_str(),
349 static_cast<int>(keyword.length()),
350 &scheme_component)) {
351 // If the scheme isn't "http" or "https", bail. The user isn't trying to
352 // type a web address, but rather an FTP, file:, or other scheme URL, or a
353 // search query with some sort of initial operator (e.g. "site:").
354 if (result.compare(0, scheme_component.end(),
355 base::ASCIIToUTF16(url::kHttpScheme)) &&
356 result.compare(0, scheme_component.end(),
357 base::ASCIIToUTF16(url::kHttpsScheme)))
358 return base::string16();
360 // Include trailing ':'.
361 result.erase(0, scheme_component.end() + 1);
362 // Many schemes usually have "//" after them, so strip it too.
363 const base::string16 after_scheme(base::ASCIIToUTF16("//"));
364 if (result.compare(0, after_scheme.length(), after_scheme) == 0)
365 result.erase(0, after_scheme.length());
368 // Remove leading "www.".
369 result = net::StripWWW(result);
371 // Remove trailing "/".
372 return (result.length() > 0 && result[result.length() - 1] == '/') ?
373 result.substr(0, result.length() - 1) : result;
377 void TemplateURLService::SaveDefaultSearchProviderToPrefs(
378 const TemplateURL* t_url,
379 PrefService* prefs) {
383 bool enabled = false;
384 std::string search_url;
385 std::string suggest_url;
386 std::string instant_url;
387 std::string image_url;
388 std::string new_tab_url;
389 std::string search_url_post_params;
390 std::string suggest_url_post_params;
391 std::string instant_url_post_params;
392 std::string image_url_post_params;
393 std::string icon_url;
394 std::string encodings;
395 std::string short_name;
397 std::string id_string;
398 std::string prepopulate_id;
399 base::ListValue alternate_urls;
400 std::string search_terms_replacement_key;
402 DCHECK_EQ(TemplateURL::NORMAL, t_url->GetType());
404 search_url = t_url->url();
405 suggest_url = t_url->suggestions_url();
406 instant_url = t_url->instant_url();
407 image_url = t_url->image_url();
408 new_tab_url = t_url->new_tab_url();
409 search_url_post_params = t_url->search_url_post_params();
410 suggest_url_post_params = t_url->suggestions_url_post_params();
411 instant_url_post_params = t_url->instant_url_post_params();
412 image_url_post_params = t_url->image_url_post_params();
413 GURL icon_gurl = t_url->favicon_url();
414 if (!icon_gurl.is_empty())
415 icon_url = icon_gurl.spec();
416 encodings = JoinString(t_url->input_encodings(), ';');
417 short_name = base::UTF16ToUTF8(t_url->short_name());
418 keyword = base::UTF16ToUTF8(t_url->keyword());
419 id_string = base::Int64ToString(t_url->id());
420 prepopulate_id = base::Int64ToString(t_url->prepopulate_id());
421 for (size_t i = 0; i < t_url->alternate_urls().size(); ++i)
422 alternate_urls.AppendString(t_url->alternate_urls()[i]);
423 search_terms_replacement_key = t_url->search_terms_replacement_key();
425 prefs->SetBoolean(prefs::kDefaultSearchProviderEnabled, enabled);
426 prefs->SetString(prefs::kDefaultSearchProviderSearchURL, search_url);
427 prefs->SetString(prefs::kDefaultSearchProviderSuggestURL, suggest_url);
428 prefs->SetString(prefs::kDefaultSearchProviderInstantURL, instant_url);
429 prefs->SetString(prefs::kDefaultSearchProviderImageURL, image_url);
430 prefs->SetString(prefs::kDefaultSearchProviderNewTabURL, new_tab_url);
431 prefs->SetString(prefs::kDefaultSearchProviderSearchURLPostParams,
432 search_url_post_params);
433 prefs->SetString(prefs::kDefaultSearchProviderSuggestURLPostParams,
434 suggest_url_post_params);
435 prefs->SetString(prefs::kDefaultSearchProviderInstantURLPostParams,
436 instant_url_post_params);
437 prefs->SetString(prefs::kDefaultSearchProviderImageURLPostParams,
438 image_url_post_params);
439 prefs->SetString(prefs::kDefaultSearchProviderIconURL, icon_url);
440 prefs->SetString(prefs::kDefaultSearchProviderEncodings, encodings);
441 prefs->SetString(prefs::kDefaultSearchProviderName, short_name);
442 prefs->SetString(prefs::kDefaultSearchProviderKeyword, keyword);
443 prefs->SetString(prefs::kDefaultSearchProviderID, id_string);
444 prefs->SetString(prefs::kDefaultSearchProviderPrepopulateID, prepopulate_id);
445 prefs->Set(prefs::kDefaultSearchProviderAlternateURLs, alternate_urls);
446 prefs->SetString(prefs::kDefaultSearchProviderSearchTermsReplacementKey,
447 search_terms_replacement_key);
450 bool TemplateURLService::CanReplaceKeyword(
451 const base::string16& keyword,
453 TemplateURL** template_url_to_replace) {
454 DCHECK(!keyword.empty()); // This should only be called for non-empty
455 // keywords. If we need to support empty kewords
456 // the code needs to change slightly.
457 TemplateURL* existing_url = GetTemplateURLForKeyword(keyword);
458 if (template_url_to_replace)
459 *template_url_to_replace = existing_url;
461 // We already have a TemplateURL for this keyword. Only allow it to be
462 // replaced if the TemplateURL can be replaced.
463 return CanReplace(existing_url);
466 // We don't have a TemplateURL with keyword. Only allow a new one if there
467 // isn't a TemplateURL for the specified host, or there is one but it can
468 // be replaced. We do this to ensure that if the user assigns a different
469 // keyword to a generated TemplateURL, we won't regenerate another keyword for
471 return !url.is_valid() || url.host().empty() ||
472 CanReplaceKeywordForHost(url.host(), template_url_to_replace);
475 void TemplateURLService::FindMatchingKeywords(
476 const base::string16& prefix,
477 bool support_replacement_only,
478 TemplateURLVector* matches) {
479 // Sanity check args.
482 DCHECK(matches != NULL);
483 DCHECK(matches->empty()); // The code for exact matches assumes this.
485 // Required for VS2010: http://connect.microsoft.com/VisualStudio/feedback/details/520043/error-converting-from-null-to-a-pointer-type-in-std-pair
486 TemplateURL* const kNullTemplateURL = NULL;
488 // Find matching keyword range. Searches the element map for keywords
489 // beginning with |prefix| and stores the endpoints of the resulting set in
491 const std::pair<KeywordToTemplateMap::const_iterator,
492 KeywordToTemplateMap::const_iterator> match_range(
494 keyword_to_template_map_.begin(), keyword_to_template_map_.end(),
495 KeywordToTemplateMap::value_type(prefix, kNullTemplateURL),
498 // Return vector of matching keywords.
499 for (KeywordToTemplateMap::const_iterator i(match_range.first);
500 i != match_range.second; ++i) {
501 if (!support_replacement_only ||
502 i->second->url_ref().SupportsReplacement(search_terms_data()))
503 matches->push_back(i->second);
507 TemplateURL* TemplateURLService::GetTemplateURLForKeyword(
508 const base::string16& keyword) {
509 KeywordToTemplateMap::const_iterator elem(
510 keyword_to_template_map_.find(keyword));
511 if (elem != keyword_to_template_map_.end())
514 initial_default_search_provider_.get() &&
515 (initial_default_search_provider_->keyword() == keyword)) ?
516 initial_default_search_provider_.get() : NULL;
519 TemplateURL* TemplateURLService::GetTemplateURLForGUID(
520 const std::string& sync_guid) {
521 GUIDToTemplateMap::const_iterator elem(guid_to_template_map_.find(sync_guid));
522 if (elem != guid_to_template_map_.end())
525 initial_default_search_provider_.get() &&
526 (initial_default_search_provider_->sync_guid() == sync_guid)) ?
527 initial_default_search_provider_.get() : NULL;
530 TemplateURL* TemplateURLService::GetTemplateURLForHost(
531 const std::string& host) {
533 return provider_map_->GetTemplateURLForHost(host);
534 TemplateURL* initial_dsp = initial_default_search_provider_.get();
537 return (initial_dsp->GenerateSearchURL(search_terms_data()).host() == host) ?
541 bool TemplateURLService::Add(TemplateURL* template_url) {
542 KeywordWebDataService::BatchModeScoper scoper(web_data_service_.get());
543 if (!AddNoNotify(template_url, true))
549 void TemplateURLService::AddWithOverrides(TemplateURL* template_url,
550 const base::string16& short_name,
551 const base::string16& keyword,
552 const std::string& url) {
553 DCHECK(!keyword.empty());
554 DCHECK(!url.empty());
555 template_url->data_.short_name = short_name;
556 template_url->data_.SetKeyword(keyword);
557 template_url->SetURL(url);
561 void TemplateURLService::AddExtensionControlledTURL(
562 TemplateURL* template_url,
563 scoped_ptr<TemplateURL::AssociatedExtensionInfo> info) {
565 DCHECK(template_url);
566 DCHECK_EQ(kInvalidTemplateURLID, template_url->id());
568 DCHECK_NE(TemplateURL::NORMAL, info->type);
569 DCHECK_EQ(info->wants_to_be_default_engine,
570 template_url->show_in_default_list());
571 DCHECK(!FindTemplateURLForExtension(info->extension_id, info->type));
572 template_url->extension_info_.swap(info);
574 KeywordWebDataService::BatchModeScoper scoper(web_data_service_.get());
575 if (AddNoNotify(template_url, true)) {
576 if (template_url->extension_info_->wants_to_be_default_engine)
577 UpdateExtensionDefaultSearchEngine();
582 void TemplateURLService::Remove(TemplateURL* template_url) {
583 RemoveNoNotify(template_url);
587 void TemplateURLService::RemoveExtensionControlledTURL(
588 const std::string& extension_id,
589 TemplateURL::Type type) {
591 TemplateURL* url = FindTemplateURLForExtension(extension_id, type);
594 // NULL this out so that we can call RemoveNoNotify.
595 // UpdateExtensionDefaultSearchEngine will cause it to be reset.
596 if (default_search_provider_ == url)
597 default_search_provider_ = NULL;
598 KeywordWebDataService::BatchModeScoper scoper(web_data_service_.get());
600 UpdateExtensionDefaultSearchEngine();
604 void TemplateURLService::RemoveAutoGeneratedSince(base::Time created_after) {
605 RemoveAutoGeneratedBetween(created_after, base::Time());
608 void TemplateURLService::RemoveAutoGeneratedBetween(base::Time created_after,
609 base::Time created_before) {
610 RemoveAutoGeneratedForOriginBetween(GURL(), created_after, created_before);
613 void TemplateURLService::RemoveAutoGeneratedForOriginBetween(
615 base::Time created_after,
616 base::Time created_before) {
617 GURL o(origin.GetOrigin());
618 bool should_notify = false;
619 KeywordWebDataService::BatchModeScoper scoper(web_data_service_.get());
620 for (size_t i = 0; i < template_urls_.size();) {
621 if (template_urls_[i]->date_created() >= created_after &&
622 (created_before.is_null() ||
623 template_urls_[i]->date_created() < created_before) &&
624 CanReplace(template_urls_[i]) &&
626 template_urls_[i]->GenerateSearchURL(
627 search_terms_data()).GetOrigin() == o)) {
628 RemoveNoNotify(template_urls_[i]);
629 should_notify = true;
638 void TemplateURLService::RegisterOmniboxKeyword(
639 const std::string& extension_id,
640 const std::string& extension_name,
641 const std::string& keyword,
642 const std::string& template_url_string) {
645 if (FindTemplateURLForExtension(extension_id,
646 TemplateURL::OMNIBOX_API_EXTENSION))
649 TemplateURLData data;
650 data.short_name = base::UTF8ToUTF16(extension_name);
651 data.SetKeyword(base::UTF8ToUTF16(keyword));
652 data.SetURL(template_url_string);
653 TemplateURL* url = new TemplateURL(data);
654 scoped_ptr<TemplateURL::AssociatedExtensionInfo> info(
655 new TemplateURL::AssociatedExtensionInfo(
656 TemplateURL::OMNIBOX_API_EXTENSION, extension_id));
657 AddExtensionControlledTURL(url, info.Pass());
660 TemplateURLService::TemplateURLVector TemplateURLService::GetTemplateURLs() {
661 return template_urls_;
664 void TemplateURLService::IncrementUsageCount(TemplateURL* url) {
666 // Extension-controlled search engines are not persisted.
667 if (url->GetType() != TemplateURL::NORMAL)
669 if (std::find(template_urls_.begin(), template_urls_.end(), url) ==
670 template_urls_.end())
672 ++url->data_.usage_count;
674 if (web_data_service_.get())
675 web_data_service_->UpdateKeyword(url->data());
678 void TemplateURLService::ResetTemplateURL(TemplateURL* url,
679 const base::string16& title,
680 const base::string16& keyword,
681 const std::string& search_url) {
682 if (ResetTemplateURLNoNotify(url, title, keyword, search_url))
686 bool TemplateURLService::CanMakeDefault(const TemplateURL* url) {
688 ((default_search_provider_source_ == DefaultSearchManager::FROM_USER) ||
689 (default_search_provider_source_ ==
690 DefaultSearchManager::FROM_FALLBACK)) &&
691 (url != GetDefaultSearchProvider()) &&
692 url->url_ref().SupportsReplacement(search_terms_data()) &&
693 (url->GetType() == TemplateURL::NORMAL);
696 void TemplateURLService::SetUserSelectedDefaultSearchProvider(
698 // Omnibox keywords cannot be made default. Extension-controlled search
699 // engines can be made default only by the extension itself because they
701 DCHECK(!url || (url->GetType() == TemplateURL::NORMAL));
703 // Skip the DefaultSearchManager, which will persist to user preferences.
704 if ((default_search_provider_source_ == DefaultSearchManager::FROM_USER) ||
705 (default_search_provider_source_ ==
706 DefaultSearchManager::FROM_FALLBACK)) {
707 ApplyDefaultSearchChange(url ? &url->data() : NULL,
708 DefaultSearchManager::FROM_USER);
711 // We rely on the DefaultSearchManager to call OnDefaultSearchChange if, in
712 // fact, the effective DSE changes.
714 default_search_manager_.SetUserSelectedDefaultSearchEngine(url->data());
716 default_search_manager_.ClearUserSelectedDefaultSearchEngine();
720 TemplateURL* TemplateURLService::GetDefaultSearchProvider() {
722 default_search_provider_ : initial_default_search_provider_.get();
725 bool TemplateURLService::IsSearchResultsPageFromDefaultSearchProvider(
727 TemplateURL* default_provider = GetDefaultSearchProvider();
728 return default_provider &&
729 default_provider->IsSearchURL(url, search_terms_data());
732 bool TemplateURLService::IsExtensionControlledDefaultSearch() {
733 return default_search_provider_source_ ==
734 DefaultSearchManager::FROM_EXTENSION;
737 void TemplateURLService::RepairPrepopulatedSearchEngines() {
738 // Can't clean DB if it hasn't been loaded.
741 if ((default_search_provider_source_ == DefaultSearchManager::FROM_USER) ||
742 (default_search_provider_source_ ==
743 DefaultSearchManager::FROM_FALLBACK)) {
744 // Clear |default_search_provider_| in case we want to remove the engine it
745 // points to. This will get reset at the end of the function anyway.
746 default_search_provider_ = NULL;
749 size_t default_search_provider_index = 0;
750 ScopedVector<TemplateURLData> prepopulated_urls =
751 TemplateURLPrepopulateData::GetPrepopulatedEngines(
752 prefs_, &default_search_provider_index);
753 DCHECK(!prepopulated_urls.empty());
754 ActionsFromPrepopulateData actions(CreateActionsFromCurrentPrepopulateData(
755 &prepopulated_urls, template_urls_, default_search_provider_));
757 KeywordWebDataService::BatchModeScoper scoper(web_data_service_.get());
760 for (std::vector<TemplateURL*>::iterator i = actions.removed_engines.begin();
761 i < actions.removed_engines.end(); ++i)
765 for (EditedEngines::iterator i(actions.edited_engines.begin());
766 i < actions.edited_engines.end(); ++i) {
767 TemplateURL new_values(i->second);
768 UpdateNoNotify(i->first, new_values);
772 for (std::vector<TemplateURLData>::const_iterator i =
773 actions.added_engines.begin();
774 i < actions.added_engines.end();
776 AddNoNotify(new TemplateURL(*i), true);
779 base::AutoReset<DefaultSearchChangeOrigin> change_origin(
780 &dsp_change_origin_, DSP_CHANGE_PROFILE_RESET);
782 default_search_manager_.ClearUserSelectedDefaultSearchEngine();
784 if (!default_search_provider_) {
785 // If the default search provider came from a user pref we would have been
786 // notified of the new (fallback-provided) value in
787 // ClearUserSelectedDefaultSearchEngine() above. Since we are here, the
788 // value was presumably originally a fallback value (which may have been
790 DefaultSearchManager::Source source;
791 const TemplateURLData* new_dse =
792 default_search_manager_.GetDefaultSearchEngine(&source);
793 // ApplyDefaultSearchChange will notify observers once it is done.
794 ApplyDefaultSearchChange(new_dse, source);
800 void TemplateURLService::AddObserver(TemplateURLServiceObserver* observer) {
801 model_observers_.AddObserver(observer);
804 void TemplateURLService::RemoveObserver(TemplateURLServiceObserver* observer) {
805 model_observers_.RemoveObserver(observer);
808 void TemplateURLService::Load() {
809 if (loaded_ || load_handle_)
812 if (web_data_service_.get())
813 load_handle_ = web_data_service_->GetKeywords(this);
815 ChangeToLoadedState();
818 scoped_ptr<TemplateURLService::Subscription>
819 TemplateURLService::RegisterOnLoadedCallback(
820 const base::Closure& callback) {
822 scoped_ptr<TemplateURLService::Subscription>() :
823 on_loaded_callbacks_.Add(callback);
826 void TemplateURLService::OnWebDataServiceRequestDone(
827 KeywordWebDataService::Handle h,
828 const WDTypedResult* result) {
829 // TODO(vadimt): Remove ScopedTracker below once crbug.com/422460 is fixed.
830 tracked_objects::ScopedTracker tracking_profile(
831 FROM_HERE_WITH_EXPLICIT_FUNCTION(
832 "422460 TemplateURLService::OnWebDataServiceRequestDone"));
834 // Reset the load_handle so that we don't try and cancel the load in
839 // TODO(vadimt): Remove ScopedTracker below once crbug.com/422460 is fixed.
840 tracked_objects::ScopedTracker tracking_profile1(
841 FROM_HERE_WITH_EXPLICIT_FUNCTION(
842 "422460 TemplateURLService::OnWebDataServiceRequestDone 1"));
844 // Results are null if the database went away or (most likely) wasn't
847 web_data_service_ = NULL;
848 ChangeToLoadedState();
852 TemplateURLVector template_urls;
853 int new_resource_keyword_version = 0;
855 // TODO(vadimt): Remove ScopedTracker below once crbug.com/422460 is fixed.
856 tracked_objects::ScopedTracker tracking_profile2(
857 FROM_HERE_WITH_EXPLICIT_FUNCTION(
858 "422460 TemplateURLService::OnWebDataServiceRequestDone 2"));
860 GetSearchProvidersUsingKeywordResult(
862 web_data_service_.get(),
865 (default_search_provider_source_ == DefaultSearchManager::FROM_USER)
866 ? initial_default_search_provider_.get()
869 &new_resource_keyword_version,
873 KeywordWebDataService::BatchModeScoper scoper(web_data_service_.get());
876 // TODO(vadimt): Remove ScopedTracker below once crbug.com/422460 is fixed.
877 tracked_objects::ScopedTracker tracking_profile4(
878 FROM_HERE_WITH_EXPLICIT_FUNCTION(
879 "422460 TemplateURLService::OnWebDataServiceRequestDone 4"));
881 PatchMissingSyncGUIDs(&template_urls);
883 // TODO(vadimt): Remove ScopedTracker below once crbug.com/422460 is fixed.
884 tracked_objects::ScopedTracker tracking_profile41(
885 FROM_HERE_WITH_EXPLICIT_FUNCTION(
886 "422460 TemplateURLService::OnWebDataServiceRequestDone 41"));
888 SetTemplateURLs(&template_urls);
890 // TODO(vadimt): Remove ScopedTracker below once crbug.com/422460 is fixed.
891 tracked_objects::ScopedTracker tracking_profile42(
892 FROM_HERE_WITH_EXPLICIT_FUNCTION(
893 "422460 TemplateURLService::OnWebDataServiceRequestDone 42"));
895 // This initializes provider_map_ which should be done before
896 // calling UpdateKeywordSearchTermsForURL.
897 // This also calls NotifyObservers.
898 ChangeToLoadedState();
900 // TODO(vadimt): Remove ScopedTracker below once crbug.com/422460 is fixed.
901 tracked_objects::ScopedTracker tracking_profile43(
902 FROM_HERE_WITH_EXPLICIT_FUNCTION(
903 "422460 TemplateURLService::OnWebDataServiceRequestDone 43"));
905 // Index any visits that occurred before we finished loading.
906 for (size_t i = 0; i < visits_to_add_.size(); ++i)
907 UpdateKeywordSearchTermsForURL(visits_to_add_[i]);
908 visits_to_add_.clear();
910 // TODO(vadimt): Remove ScopedTracker below once crbug.com/422460 is fixed.
911 tracked_objects::ScopedTracker tracking_profile44(
912 FROM_HERE_WITH_EXPLICIT_FUNCTION(
913 "422460 TemplateURLService::OnWebDataServiceRequestDone 44"));
915 if (new_resource_keyword_version)
916 web_data_service_->SetBuiltinKeywordVersion(new_resource_keyword_version);
919 if (default_search_provider_) {
920 // TODO(vadimt): Remove ScopedTracker below once crbug.com/422460 is fixed.
921 tracked_objects::ScopedTracker tracking_profile5(
922 FROM_HERE_WITH_EXPLICIT_FUNCTION(
923 "422460 TemplateURLService::OnWebDataServiceRequestDone 5"));
925 UMA_HISTOGRAM_ENUMERATION(
926 "Search.DefaultSearchProviderType",
927 TemplateURLPrepopulateData::GetEngineType(
928 *default_search_provider_, search_terms_data()),
931 if (rappor_service_) {
932 rappor_service_->RecordSample(
933 "Search.DefaultSearchProvider",
934 rappor::ETLD_PLUS_ONE_RAPPOR_TYPE,
935 net::registry_controlled_domains::GetDomainAndRegistry(
936 default_search_provider_->url_ref().GetHost(search_terms_data()),
937 net::registry_controlled_domains::INCLUDE_PRIVATE_REGISTRIES));
942 base::string16 TemplateURLService::GetKeywordShortName(
943 const base::string16& keyword,
944 bool* is_omnibox_api_extension_keyword) {
945 const TemplateURL* template_url = GetTemplateURLForKeyword(keyword);
947 // TODO(sky): Once LocationBarView adds a listener to the TemplateURLService
948 // to track changes to the model, this should become a DCHECK.
950 *is_omnibox_api_extension_keyword =
951 template_url->GetType() == TemplateURL::OMNIBOX_API_EXTENSION;
952 return template_url->AdjustedShortNameForLocaleDirection();
954 *is_omnibox_api_extension_keyword = false;
955 return base::string16();
958 void TemplateURLService::OnHistoryURLVisited(const URLVisitedDetails& details) {
960 visits_to_add_.push_back(details);
962 UpdateKeywordSearchTermsForURL(details);
965 void TemplateURLService::Shutdown() {
968 // This check has to be done at Shutdown() instead of in the dtor to ensure
969 // that no clients of KeywordWebDataService are holding ptrs to it after the
970 // first phase of the KeyedService Shutdown() process.
972 DCHECK(web_data_service_.get());
973 web_data_service_->CancelRequest(load_handle_);
975 web_data_service_ = NULL;
978 syncer::SyncDataList TemplateURLService::GetAllSyncData(
979 syncer::ModelType type) const {
980 DCHECK_EQ(syncer::SEARCH_ENGINES, type);
982 syncer::SyncDataList current_data;
983 for (TemplateURLVector::const_iterator iter = template_urls_.begin();
984 iter != template_urls_.end(); ++iter) {
985 // We don't sync keywords managed by policy.
986 if ((*iter)->created_by_policy())
988 // We don't sync extension-controlled search engines.
989 if ((*iter)->GetType() != TemplateURL::NORMAL)
991 current_data.push_back(CreateSyncDataFromTemplateURL(**iter));
997 syncer::SyncError TemplateURLService::ProcessSyncChanges(
998 const tracked_objects::Location& from_here,
999 const syncer::SyncChangeList& change_list) {
1000 if (!models_associated_) {
1001 syncer::SyncError error(FROM_HERE,
1002 syncer::SyncError::DATATYPE_ERROR,
1003 "Models not yet associated.",
1004 syncer::SEARCH_ENGINES);
1009 base::AutoReset<bool> processing_changes(&processing_syncer_changes_, true);
1011 // We've started syncing, so set our origin member to the base Sync value.
1012 // As we move through Sync Code, we may set this to increasingly specific
1013 // origins so we can tell what exactly caused a DSP change.
1014 base::AutoReset<DefaultSearchChangeOrigin> change_origin(&dsp_change_origin_,
1015 DSP_CHANGE_SYNC_UNINTENTIONAL);
1017 KeywordWebDataService::BatchModeScoper scoper(web_data_service_.get());
1019 syncer::SyncChangeList new_changes;
1020 syncer::SyncError error;
1021 for (syncer::SyncChangeList::const_iterator iter = change_list.begin();
1022 iter != change_list.end(); ++iter) {
1023 DCHECK_EQ(syncer::SEARCH_ENGINES, iter->sync_data().GetDataType());
1026 iter->sync_data().GetSpecifics().search_engine().sync_guid();
1027 TemplateURL* existing_turl = GetTemplateURLForGUID(guid);
1028 scoped_ptr<TemplateURL> turl(CreateTemplateURLFromTemplateURLAndSyncData(
1029 client_.get(), prefs_, search_terms_data(), existing_turl,
1030 iter->sync_data(), &new_changes));
1034 // Explicitly don't check for conflicts against extension keywords; in this
1035 // case the functions which modify the keyword map know how to handle the
1037 // TODO(mpcomplete): If we allow editing extension keywords, then those will
1038 // need to undergo conflict resolution.
1039 TemplateURL* existing_keyword_turl =
1040 FindNonExtensionTemplateURLForKeyword(turl->keyword());
1041 if (iter->change_type() == syncer::SyncChange::ACTION_DELETE) {
1042 if (!existing_turl) {
1043 error = sync_error_factory_->CreateAndUploadError(
1045 "ProcessSyncChanges failed on ChangeType ACTION_DELETE");
1048 if (existing_turl == GetDefaultSearchProvider()) {
1049 // The only way Sync can attempt to delete the default search provider
1050 // is if we had changed the kSyncedDefaultSearchProviderGUID
1051 // preference, but perhaps it has not yet been received. To avoid
1052 // situations where this has come in erroneously, we will un-delete
1053 // the current default search from the Sync data. If the pref really
1054 // does arrive later, then default search will change to the correct
1055 // entry, but we'll have this extra entry sitting around. The result is
1056 // not ideal, but it prevents a far more severe bug where the default is
1057 // unexpectedly swapped to something else. The user can safely delete
1058 // the extra entry again later, if they choose. Most users who do not
1059 // look at the search engines UI will not notice this.
1060 // Note that we append a special character to the end of the keyword in
1061 // an attempt to avoid a ping-poinging situation where receiving clients
1062 // may try to continually delete the resurrected entry.
1063 base::string16 updated_keyword = UniquifyKeyword(*existing_turl, true);
1064 TemplateURLData data(existing_turl->data());
1065 data.SetKeyword(updated_keyword);
1066 TemplateURL new_turl(data);
1067 if (UpdateNoNotify(existing_turl, new_turl))
1070 syncer::SyncData sync_data = CreateSyncDataFromTemplateURL(new_turl);
1071 new_changes.push_back(syncer::SyncChange(FROM_HERE,
1072 syncer::SyncChange::ACTION_ADD,
1074 // Ignore the delete attempt. This means we never end up resetting the
1075 // default search provider due to an ACTION_DELETE from sync.
1079 Remove(existing_turl);
1080 } else if (iter->change_type() == syncer::SyncChange::ACTION_ADD) {
1081 if (existing_turl) {
1082 error = sync_error_factory_->CreateAndUploadError(
1084 "ProcessSyncChanges failed on ChangeType ACTION_ADD");
1087 const std::string guid = turl->sync_guid();
1088 if (existing_keyword_turl) {
1089 // Resolve any conflicts so we can safely add the new entry.
1090 ResolveSyncKeywordConflict(turl.get(), existing_keyword_turl,
1093 base::AutoReset<DefaultSearchChangeOrigin> change_origin(
1094 &dsp_change_origin_, DSP_CHANGE_SYNC_ADD);
1095 // Force the local ID to kInvalidTemplateURLID so we can add it.
1096 TemplateURLData data(turl->data());
1097 data.id = kInvalidTemplateURLID;
1098 TemplateURL* added = new TemplateURL(data);
1100 MaybeUpdateDSEAfterSync(added);
1101 } else if (iter->change_type() == syncer::SyncChange::ACTION_UPDATE) {
1102 if (!existing_turl) {
1103 error = sync_error_factory_->CreateAndUploadError(
1105 "ProcessSyncChanges failed on ChangeType ACTION_UPDATE");
1108 if (existing_keyword_turl && (existing_keyword_turl != existing_turl)) {
1109 // Resolve any conflicts with other entries so we can safely update the
1111 ResolveSyncKeywordConflict(turl.get(), existing_keyword_turl,
1114 if (UpdateNoNotify(existing_turl, *turl)) {
1116 MaybeUpdateDSEAfterSync(existing_turl);
1119 // We've unexpectedly received an ACTION_INVALID.
1120 error = sync_error_factory_->CreateAndUploadError(
1122 "ProcessSyncChanges received an ACTION_INVALID");
1126 // If something went wrong, we want to prematurely exit to avoid pushing
1127 // inconsistent data to Sync. We return the last error we received.
1131 error = sync_processor_->ProcessSyncChanges(from_here, new_changes);
1136 syncer::SyncMergeResult TemplateURLService::MergeDataAndStartSyncing(
1137 syncer::ModelType type,
1138 const syncer::SyncDataList& initial_sync_data,
1139 scoped_ptr<syncer::SyncChangeProcessor> sync_processor,
1140 scoped_ptr<syncer::SyncErrorFactory> sync_error_factory) {
1142 DCHECK_EQ(type, syncer::SEARCH_ENGINES);
1143 DCHECK(!sync_processor_.get());
1144 DCHECK(sync_processor.get());
1145 DCHECK(sync_error_factory.get());
1146 syncer::SyncMergeResult merge_result(type);
1148 // Disable sync if we failed to load.
1150 merge_result.set_error(syncer::SyncError(
1151 FROM_HERE, syncer::SyncError::DATATYPE_ERROR,
1152 "Local database load failed.", syncer::SEARCH_ENGINES));
1153 return merge_result;
1156 sync_processor_ = sync_processor.Pass();
1157 sync_error_factory_ = sync_error_factory.Pass();
1159 // We do a lot of calls to Add/Remove/ResetTemplateURL here, so ensure we
1160 // don't step on our own toes.
1161 base::AutoReset<bool> processing_changes(&processing_syncer_changes_, true);
1163 // We've started syncing, so set our origin member to the base Sync value.
1164 // As we move through Sync Code, we may set this to increasingly specific
1165 // origins so we can tell what exactly caused a DSP change.
1166 base::AutoReset<DefaultSearchChangeOrigin> change_origin(&dsp_change_origin_,
1167 DSP_CHANGE_SYNC_UNINTENTIONAL);
1169 syncer::SyncChangeList new_changes;
1171 // Build maps of our sync GUIDs to syncer::SyncData.
1172 SyncDataMap local_data_map = CreateGUIDToSyncDataMap(
1173 GetAllSyncData(syncer::SEARCH_ENGINES));
1174 SyncDataMap sync_data_map = CreateGUIDToSyncDataMap(initial_sync_data);
1176 KeywordWebDataService::BatchModeScoper scoper(web_data_service_.get());
1178 merge_result.set_num_items_before_association(local_data_map.size());
1179 for (SyncDataMap::const_iterator iter = sync_data_map.begin();
1180 iter != sync_data_map.end(); ++iter) {
1181 TemplateURL* local_turl = GetTemplateURLForGUID(iter->first);
1182 scoped_ptr<TemplateURL> sync_turl(
1183 CreateTemplateURLFromTemplateURLAndSyncData(
1184 client_.get(), prefs_, search_terms_data(), local_turl,
1185 iter->second, &new_changes));
1186 if (!sync_turl.get())
1189 if (pre_sync_deletes_.find(sync_turl->sync_guid()) !=
1190 pre_sync_deletes_.end()) {
1191 // This entry was deleted before the initial sync began (possibly through
1192 // preprocessing in TemplateURLService's loading code). Ignore it and send
1193 // an ACTION_DELETE up to the server.
1194 new_changes.push_back(
1195 syncer::SyncChange(FROM_HERE,
1196 syncer::SyncChange::ACTION_DELETE,
1198 UMA_HISTOGRAM_ENUMERATION(kDeleteSyncedEngineHistogramName,
1199 DELETE_ENGINE_PRE_SYNC, DELETE_ENGINE_MAX);
1204 DCHECK(IsFromSync(local_turl, sync_data_map));
1205 // This local search engine is already synced. If the timestamp differs
1206 // from Sync, we need to update locally or to the cloud. Note that if the
1207 // timestamps are equal, we touch neither.
1208 if (sync_turl->last_modified() > local_turl->last_modified()) {
1209 // We've received an update from Sync. We should replace all synced
1210 // fields in the local TemplateURL. Note that this includes the
1211 // TemplateURLID and the TemplateURL may have to be reparsed. This
1212 // also makes the local data's last_modified timestamp equal to Sync's,
1213 // avoiding an Update on the next MergeData call.
1214 if (UpdateNoNotify(local_turl, *sync_turl))
1216 merge_result.set_num_items_modified(
1217 merge_result.num_items_modified() + 1);
1218 } else if (sync_turl->last_modified() < local_turl->last_modified()) {
1219 // Otherwise, we know we have newer data, so update Sync with our
1221 new_changes.push_back(
1222 syncer::SyncChange(FROM_HERE,
1223 syncer::SyncChange::ACTION_UPDATE,
1224 local_data_map[local_turl->sync_guid()]));
1226 local_data_map.erase(iter->first);
1228 // The search engine from the cloud has not been synced locally. Merge it
1229 // into our local model. This will handle any conflicts with local (and
1230 // already-synced) TemplateURLs. It will prefer to keep entries from Sync
1231 // over not-yet-synced TemplateURLs.
1232 MergeInSyncTemplateURL(sync_turl.get(), sync_data_map, &new_changes,
1233 &local_data_map, &merge_result);
1237 // The remaining SyncData in local_data_map should be everything that needs to
1238 // be pushed as ADDs to sync.
1239 for (SyncDataMap::const_iterator iter = local_data_map.begin();
1240 iter != local_data_map.end(); ++iter) {
1241 new_changes.push_back(
1242 syncer::SyncChange(FROM_HERE,
1243 syncer::SyncChange::ACTION_ADD,
1247 // Do some post-processing on the change list to ensure that we are sending
1248 // valid changes to sync_processor_.
1249 PruneSyncChanges(&sync_data_map, &new_changes);
1251 LogDuplicatesHistogram(GetTemplateURLs());
1252 merge_result.set_num_items_after_association(
1253 GetAllSyncData(syncer::SEARCH_ENGINES).size());
1254 merge_result.set_error(
1255 sync_processor_->ProcessSyncChanges(FROM_HERE, new_changes));
1256 if (merge_result.error().IsSet())
1257 return merge_result;
1259 // The ACTION_DELETEs from this set are processed. Empty it so we don't try to
1260 // reuse them on the next call to MergeDataAndStartSyncing.
1261 pre_sync_deletes_.clear();
1263 models_associated_ = true;
1264 return merge_result;
1267 void TemplateURLService::StopSyncing(syncer::ModelType type) {
1268 DCHECK_EQ(type, syncer::SEARCH_ENGINES);
1269 models_associated_ = false;
1270 sync_processor_.reset();
1271 sync_error_factory_.reset();
1274 void TemplateURLService::ProcessTemplateURLChange(
1275 const tracked_objects::Location& from_here,
1276 const TemplateURL* turl,
1277 syncer::SyncChange::SyncChangeType type) {
1278 DCHECK_NE(type, syncer::SyncChange::ACTION_INVALID);
1281 if (!models_associated_)
1282 return; // Not syncing.
1284 if (processing_syncer_changes_)
1285 return; // These are changes originating from us. Ignore.
1287 // Avoid syncing keywords managed by policy.
1288 if (turl->created_by_policy())
1291 // Avoid syncing extension-controlled search engines.
1292 if (turl->GetType() == TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION)
1295 syncer::SyncChangeList changes;
1297 syncer::SyncData sync_data = CreateSyncDataFromTemplateURL(*turl);
1298 changes.push_back(syncer::SyncChange(from_here,
1302 sync_processor_->ProcessSyncChanges(FROM_HERE, changes);
1306 syncer::SyncData TemplateURLService::CreateSyncDataFromTemplateURL(
1307 const TemplateURL& turl) {
1308 sync_pb::EntitySpecifics specifics;
1309 sync_pb::SearchEngineSpecifics* se_specifics =
1310 specifics.mutable_search_engine();
1311 se_specifics->set_short_name(base::UTF16ToUTF8(turl.short_name()));
1312 se_specifics->set_keyword(base::UTF16ToUTF8(turl.keyword()));
1313 se_specifics->set_favicon_url(turl.favicon_url().spec());
1314 se_specifics->set_url(turl.url());
1315 se_specifics->set_safe_for_autoreplace(turl.safe_for_autoreplace());
1316 se_specifics->set_originating_url(turl.originating_url().spec());
1317 se_specifics->set_date_created(turl.date_created().ToInternalValue());
1318 se_specifics->set_input_encodings(JoinString(turl.input_encodings(), ';'));
1319 se_specifics->set_show_in_default_list(turl.show_in_default_list());
1320 se_specifics->set_suggestions_url(turl.suggestions_url());
1321 se_specifics->set_prepopulate_id(turl.prepopulate_id());
1322 se_specifics->set_instant_url(turl.instant_url());
1323 if (!turl.image_url().empty())
1324 se_specifics->set_image_url(turl.image_url());
1325 se_specifics->set_new_tab_url(turl.new_tab_url());
1326 if (!turl.search_url_post_params().empty())
1327 se_specifics->set_search_url_post_params(turl.search_url_post_params());
1328 if (!turl.suggestions_url_post_params().empty()) {
1329 se_specifics->set_suggestions_url_post_params(
1330 turl.suggestions_url_post_params());
1332 if (!turl.instant_url_post_params().empty())
1333 se_specifics->set_instant_url_post_params(turl.instant_url_post_params());
1334 if (!turl.image_url_post_params().empty())
1335 se_specifics->set_image_url_post_params(turl.image_url_post_params());
1336 se_specifics->set_last_modified(turl.last_modified().ToInternalValue());
1337 se_specifics->set_sync_guid(turl.sync_guid());
1338 for (size_t i = 0; i < turl.alternate_urls().size(); ++i)
1339 se_specifics->add_alternate_urls(turl.alternate_urls()[i]);
1340 se_specifics->set_search_terms_replacement_key(
1341 turl.search_terms_replacement_key());
1343 return syncer::SyncData::CreateLocalData(se_specifics->sync_guid(),
1344 se_specifics->keyword(),
1349 scoped_ptr<TemplateURL>
1350 TemplateURLService::CreateTemplateURLFromTemplateURLAndSyncData(
1351 TemplateURLServiceClient* client,
1353 const SearchTermsData& search_terms_data,
1354 TemplateURL* existing_turl,
1355 const syncer::SyncData& sync_data,
1356 syncer::SyncChangeList* change_list) {
1357 DCHECK(change_list);
1359 sync_pb::SearchEngineSpecifics specifics =
1360 sync_data.GetSpecifics().search_engine();
1362 // Past bugs might have caused either of these fields to be empty. Just
1363 // delete this data off the server.
1364 if (specifics.url().empty() || specifics.sync_guid().empty()) {
1365 change_list->push_back(
1366 syncer::SyncChange(FROM_HERE,
1367 syncer::SyncChange::ACTION_DELETE,
1369 UMA_HISTOGRAM_ENUMERATION(kDeleteSyncedEngineHistogramName,
1370 DELETE_ENGINE_EMPTY_FIELD, DELETE_ENGINE_MAX);
1374 TemplateURLData data(existing_turl ?
1375 existing_turl->data() : TemplateURLData());
1376 data.short_name = base::UTF8ToUTF16(specifics.short_name());
1377 data.originating_url = GURL(specifics.originating_url());
1378 base::string16 keyword(base::UTF8ToUTF16(specifics.keyword()));
1379 // NOTE: Once this code has shipped in a couple of stable releases, we can
1380 // probably remove the migration portion, comment out the
1381 // "autogenerate_keyword" field entirely in the .proto file, and fold the
1382 // empty keyword case into the "delete data" block above.
1383 bool reset_keyword =
1384 specifics.autogenerate_keyword() || specifics.keyword().empty();
1386 keyword = base::ASCIIToUTF16("dummy"); // Will be replaced below.
1387 DCHECK(!keyword.empty());
1388 data.SetKeyword(keyword);
1389 data.SetURL(specifics.url());
1390 data.suggestions_url = specifics.suggestions_url();
1391 data.instant_url = specifics.instant_url();
1392 data.image_url = specifics.image_url();
1393 data.new_tab_url = specifics.new_tab_url();
1394 data.search_url_post_params = specifics.search_url_post_params();
1395 data.suggestions_url_post_params = specifics.suggestions_url_post_params();
1396 data.instant_url_post_params = specifics.instant_url_post_params();
1397 data.image_url_post_params = specifics.image_url_post_params();
1398 data.favicon_url = GURL(specifics.favicon_url());
1399 data.show_in_default_list = specifics.show_in_default_list();
1400 data.safe_for_autoreplace = specifics.safe_for_autoreplace();
1401 base::SplitString(specifics.input_encodings(), ';', &data.input_encodings);
1402 // If the server data has duplicate encodings, we'll want to push an update
1403 // below to correct it. Note that we also fix this in
1404 // GetSearchProvidersUsingKeywordResult(), since otherwise we'd never correct
1405 // local problems for clients which have disabled search engine sync.
1406 bool deduped = DeDupeEncodings(&data.input_encodings);
1407 data.date_created = base::Time::FromInternalValue(specifics.date_created());
1408 data.last_modified = base::Time::FromInternalValue(specifics.last_modified());
1409 data.prepopulate_id = specifics.prepopulate_id();
1410 data.sync_guid = specifics.sync_guid();
1411 data.alternate_urls.clear();
1412 for (int i = 0; i < specifics.alternate_urls_size(); ++i)
1413 data.alternate_urls.push_back(specifics.alternate_urls(i));
1414 data.search_terms_replacement_key = specifics.search_terms_replacement_key();
1416 scoped_ptr<TemplateURL> turl(new TemplateURL(data));
1417 // If this TemplateURL matches a built-in prepopulated template URL, it's
1418 // possible that sync is trying to modify fields that should not be touched.
1419 // Revert these fields to the built-in values.
1420 UpdateTemplateURLIfPrepopulated(turl.get(), prefs);
1422 // We used to sync keywords associated with omnibox extensions, but no longer
1423 // want to. However, if we delete these keywords from sync, we'll break any
1424 // synced old versions of Chrome which were relying on them. Instead, for now
1425 // we simply ignore these.
1426 // TODO(vasilii): After a few Chrome versions, change this to go ahead and
1427 // delete these from sync.
1429 client->RestoreExtensionInfoIfNecessary(turl.get());
1430 if (turl->GetType() == TemplateURL::OMNIBOX_API_EXTENSION)
1433 DCHECK_EQ(TemplateURL::NORMAL, turl->GetType());
1434 if (reset_keyword || deduped) {
1436 turl->ResetKeywordIfNecessary(search_terms_data, true);
1437 syncer::SyncData sync_data = CreateSyncDataFromTemplateURL(*turl);
1438 change_list->push_back(syncer::SyncChange(FROM_HERE,
1439 syncer::SyncChange::ACTION_UPDATE,
1441 } else if (turl->IsGoogleSearchURLWithReplaceableKeyword(search_terms_data)) {
1442 if (!existing_turl) {
1443 // We're adding a new TemplateURL that uses the Google base URL, so set
1444 // its keyword appropriately for the local environment.
1445 turl->ResetKeywordIfNecessary(search_terms_data, false);
1446 } else if (existing_turl->IsGoogleSearchURLWithReplaceableKeyword(
1447 search_terms_data)) {
1448 // Ignore keyword changes triggered by the Google base URL changing on
1449 // another client. If the base URL changes in this client as well, we'll
1450 // pick that up separately at the appropriate time. Otherwise, changing
1451 // the keyword here could result in having the wrong keyword for the local
1453 turl->data_.SetKeyword(existing_turl->keyword());
1461 SyncDataMap TemplateURLService::CreateGUIDToSyncDataMap(
1462 const syncer::SyncDataList& sync_data) {
1463 SyncDataMap data_map;
1464 for (syncer::SyncDataList::const_iterator i(sync_data.begin());
1465 i != sync_data.end();
1467 data_map[i->GetSpecifics().search_engine().sync_guid()] = *i;
1471 void TemplateURLService::Init(const Initializer* initializers,
1472 int num_initializers) {
1474 client_->SetOwner(this);
1476 // GoogleURLTracker is not created in tests.
1477 if (google_url_tracker_) {
1478 google_url_updated_subscription_ =
1479 google_url_tracker_->RegisterCallback(base::Bind(
1480 &TemplateURLService::GoogleBaseURLChanged, base::Unretained(this)));
1484 pref_change_registrar_.Init(prefs_);
1485 pref_change_registrar_.Add(
1486 prefs::kSyncedDefaultSearchProviderGUID,
1488 &TemplateURLService::OnSyncedDefaultSearchProviderGUIDChanged,
1489 base::Unretained(this)));
1492 DefaultSearchManager::Source source = DefaultSearchManager::FROM_USER;
1493 TemplateURLData* dse =
1494 default_search_manager_.GetDefaultSearchEngine(&source);
1495 ApplyDefaultSearchChange(dse, source);
1497 if (num_initializers > 0) {
1498 // This path is only hit by test code and is used to simulate a loaded
1499 // TemplateURLService.
1500 ChangeToLoadedState();
1502 // Add specific initializers, if any.
1503 KeywordWebDataService::BatchModeScoper scoper(web_data_service_.get());
1504 for (int i(0); i < num_initializers; ++i) {
1505 DCHECK(initializers[i].keyword);
1506 DCHECK(initializers[i].url);
1507 DCHECK(initializers[i].content);
1509 // TemplateURLService ends up owning the TemplateURL, don't try and free
1511 TemplateURLData data;
1512 data.short_name = base::UTF8ToUTF16(initializers[i].content);
1513 data.SetKeyword(base::UTF8ToUTF16(initializers[i].keyword));
1514 data.SetURL(initializers[i].url);
1515 TemplateURL* template_url = new TemplateURL(data);
1516 AddNoNotify(template_url, true);
1518 // Set the first provided identifier to be the default.
1520 default_search_manager_.SetUserSelectedDefaultSearchEngine(data);
1524 // Request a server check for the correct Google URL if Google is the
1525 // default search engine.
1526 RequestGoogleURLTrackerServerCheckIfNecessary();
1529 void TemplateURLService::RemoveFromMaps(TemplateURL* template_url) {
1530 const base::string16& keyword = template_url->keyword();
1531 DCHECK_NE(0U, keyword_to_template_map_.count(keyword));
1532 if (keyword_to_template_map_[keyword] == template_url) {
1533 // We need to check whether the keyword can now be provided by another
1534 // TemplateURL. See the comments in AddToMaps() for more information on
1535 // extension keywords and how they can coexist with non-extension keywords.
1536 // In the case of more than one extension, we use the most recently
1537 // installed (which will be the most recently added, which will have the
1539 TemplateURL* best_fallback = NULL;
1540 for (TemplateURLVector::const_iterator i(template_urls_.begin());
1541 i != template_urls_.end(); ++i) {
1542 TemplateURL* turl = *i;
1543 // This next statement relies on the fact that there can only be one
1544 // non-Omnibox API TemplateURL with a given keyword.
1545 if ((turl != template_url) && (turl->keyword() == keyword) &&
1547 (best_fallback->GetType() != TemplateURL::OMNIBOX_API_EXTENSION) ||
1548 ((turl->GetType() == TemplateURL::OMNIBOX_API_EXTENSION) &&
1549 (turl->id() > best_fallback->id()))))
1550 best_fallback = turl;
1553 keyword_to_template_map_[keyword] = best_fallback;
1555 keyword_to_template_map_.erase(keyword);
1558 if (template_url->GetType() == TemplateURL::OMNIBOX_API_EXTENSION)
1561 if (!template_url->sync_guid().empty())
1562 guid_to_template_map_.erase(template_url->sync_guid());
1563 // |provider_map_| is only initialized after loading has completed.
1565 provider_map_->Remove(template_url);
1569 void TemplateURLService::AddToMaps(TemplateURL* template_url) {
1570 bool template_url_is_omnibox_api =
1571 template_url->GetType() == TemplateURL::OMNIBOX_API_EXTENSION;
1572 const base::string16& keyword = template_url->keyword();
1573 KeywordToTemplateMap::const_iterator i =
1574 keyword_to_template_map_.find(keyword);
1575 if (i == keyword_to_template_map_.end()) {
1576 keyword_to_template_map_[keyword] = template_url;
1578 const TemplateURL* existing_url = i->second;
1579 // We should only have overlapping keywords when at least one comes from
1580 // an extension. In that case, the ranking order is:
1581 // Manually-modified keywords > extension keywords > replaceable keywords
1582 // When there are multiple extensions, the last-added wins.
1583 bool existing_url_is_omnibox_api =
1584 existing_url->GetType() == TemplateURL::OMNIBOX_API_EXTENSION;
1585 DCHECK(existing_url_is_omnibox_api || template_url_is_omnibox_api);
1586 if (existing_url_is_omnibox_api ?
1587 !CanReplace(template_url) : CanReplace(existing_url))
1588 keyword_to_template_map_[keyword] = template_url;
1591 if (template_url_is_omnibox_api)
1594 if (!template_url->sync_guid().empty())
1595 guid_to_template_map_[template_url->sync_guid()] = template_url;
1596 // |provider_map_| is only initialized after loading has completed.
1598 provider_map_->Add(template_url, search_terms_data());
1601 // Helper for partition() call in next function.
1602 bool HasValidID(TemplateURL* t_url) {
1603 return t_url->id() != kInvalidTemplateURLID;
1606 void TemplateURLService::SetTemplateURLs(TemplateURLVector* urls) {
1607 // Partition the URLs first, instead of implementing the loops below by simply
1608 // scanning the input twice. While it's not supposed to happen normally, it's
1609 // possible for corrupt databases to return multiple entries with the same
1610 // keyword. In this case, the first loop may delete the first entry when
1611 // adding the second. If this happens, the second loop must not attempt to
1612 // access the deleted entry. Partitioning ensures this constraint.
1613 TemplateURLVector::iterator first_invalid(
1614 std::partition(urls->begin(), urls->end(), HasValidID));
1616 // First, add the items that already have id's, so that the next_id_ gets
1618 for (TemplateURLVector::const_iterator i = urls->begin(); i != first_invalid;
1620 next_id_ = std::max(next_id_, (*i)->id());
1621 AddNoNotify(*i, false);
1624 // Next add the new items that don't have id's.
1625 for (TemplateURLVector::const_iterator i = first_invalid; i != urls->end();
1627 AddNoNotify(*i, true);
1629 // Clear the input vector to reduce the chance callers will try to use a
1630 // (possibly deleted) entry.
1634 void TemplateURLService::ChangeToLoadedState() {
1635 // TODO(vadimt): Remove ScopedTracker below once crbug.com/422460 is fixed.
1636 tracked_objects::ScopedTracker tracking_profile1(
1637 FROM_HERE_WITH_EXPLICIT_FUNCTION(
1638 "422460 TemplateURLService::ChangeToLoadedState 1"));
1642 provider_map_->Init(template_urls_, search_terms_data());
1645 // TODO(vadimt): Remove ScopedTracker below once crbug.com/422460 is fixed.
1646 tracked_objects::ScopedTracker tracking_profile2(
1647 FROM_HERE_WITH_EXPLICIT_FUNCTION(
1648 "422460 TemplateURLService::ChangeToLoadedState 2"));
1650 // This will cause a call to NotifyObservers().
1651 ApplyDefaultSearchChangeNoMetrics(
1652 initial_default_search_provider_ ?
1653 &initial_default_search_provider_->data() : NULL,
1654 default_search_provider_source_);
1655 initial_default_search_provider_.reset();
1657 // TODO(vadimt): Remove ScopedTracker below once crbug.com/422460 is fixed.
1658 tracked_objects::ScopedTracker tracking_profile3(
1659 FROM_HERE_WITH_EXPLICIT_FUNCTION(
1660 "422460 TemplateURLService::ChangeToLoadedState 3"));
1662 on_loaded_callbacks_.Notify();
1665 bool TemplateURLService::CanReplaceKeywordForHost(
1666 const std::string& host,
1667 TemplateURL** to_replace) {
1668 DCHECK(!to_replace || !*to_replace);
1669 const TemplateURLSet* urls = provider_map_->GetURLsForHost(host);
1672 for (TemplateURLSet::const_iterator i(urls->begin()); i != urls->end(); ++i) {
1673 if (CanReplace(*i)) {
1682 bool TemplateURLService::CanReplace(const TemplateURL* t_url) {
1683 return (t_url != default_search_provider_ && !t_url->show_in_default_list() &&
1684 t_url->safe_for_autoreplace());
1687 TemplateURL* TemplateURLService::FindNonExtensionTemplateURLForKeyword(
1688 const base::string16& keyword) {
1689 TemplateURL* keyword_turl = GetTemplateURLForKeyword(keyword);
1690 if (!keyword_turl || (keyword_turl->GetType() == TemplateURL::NORMAL))
1691 return keyword_turl;
1692 // The extension keyword in the model may be hiding a replaceable
1693 // non-extension keyword. Look for it.
1694 for (TemplateURLVector::const_iterator i(template_urls_.begin());
1695 i != template_urls_.end(); ++i) {
1696 if (((*i)->GetType() == TemplateURL::NORMAL) &&
1697 ((*i)->keyword() == keyword))
1703 bool TemplateURLService::UpdateNoNotify(TemplateURL* existing_turl,
1704 const TemplateURL& new_values) {
1705 DCHECK(existing_turl);
1706 if (std::find(template_urls_.begin(), template_urls_.end(), existing_turl) ==
1707 template_urls_.end())
1710 DCHECK_NE(TemplateURL::OMNIBOX_API_EXTENSION, existing_turl->GetType());
1712 base::string16 old_keyword(existing_turl->keyword());
1713 keyword_to_template_map_.erase(old_keyword);
1714 if (!existing_turl->sync_guid().empty())
1715 guid_to_template_map_.erase(existing_turl->sync_guid());
1717 // |provider_map_| is only initialized after loading has completed.
1719 provider_map_->Remove(existing_turl);
1721 TemplateURLID previous_id = existing_turl->id();
1722 existing_turl->CopyFrom(new_values);
1723 existing_turl->data_.id = previous_id;
1726 provider_map_->Add(existing_turl, search_terms_data());
1729 const base::string16& keyword = existing_turl->keyword();
1730 KeywordToTemplateMap::const_iterator i =
1731 keyword_to_template_map_.find(keyword);
1732 if (i == keyword_to_template_map_.end()) {
1733 keyword_to_template_map_[keyword] = existing_turl;
1735 // We can theoretically reach here in two cases:
1736 // * There is an existing extension keyword and sync brings in a rename of
1737 // a non-extension keyword to match. In this case we just need to pick
1738 // which keyword has priority to update the keyword map.
1739 // * Autogeneration of the keyword for a Google default search provider
1740 // at load time causes it to conflict with an existing keyword. In this
1741 // case we delete the existing keyword if it's replaceable, or else undo
1742 // the change in keyword for |existing_turl|.
1743 TemplateURL* existing_keyword_turl = i->second;
1744 if (existing_keyword_turl->GetType() != TemplateURL::NORMAL) {
1745 if (!CanReplace(existing_turl))
1746 keyword_to_template_map_[keyword] = existing_turl;
1748 if (CanReplace(existing_keyword_turl)) {
1749 RemoveNoNotify(existing_keyword_turl);
1751 existing_turl->data_.SetKeyword(old_keyword);
1752 keyword_to_template_map_[old_keyword] = existing_turl;
1756 if (!existing_turl->sync_guid().empty())
1757 guid_to_template_map_[existing_turl->sync_guid()] = existing_turl;
1759 if (web_data_service_.get())
1760 web_data_service_->UpdateKeyword(existing_turl->data());
1762 // Inform sync of the update.
1763 ProcessTemplateURLChange(
1764 FROM_HERE, existing_turl, syncer::SyncChange::ACTION_UPDATE);
1766 if (default_search_provider_ == existing_turl &&
1767 default_search_provider_source_ == DefaultSearchManager::FROM_USER) {
1768 default_search_manager_.SetUserSelectedDefaultSearchEngine(
1769 default_search_provider_->data());
1775 void TemplateURLService::UpdateTemplateURLIfPrepopulated(
1776 TemplateURL* template_url,
1777 PrefService* prefs) {
1778 int prepopulate_id = template_url->prepopulate_id();
1779 if (template_url->prepopulate_id() == 0)
1782 size_t default_search_index;
1783 ScopedVector<TemplateURLData> prepopulated_urls =
1784 TemplateURLPrepopulateData::GetPrepopulatedEngines(
1785 prefs, &default_search_index);
1787 for (size_t i = 0; i < prepopulated_urls.size(); ++i) {
1788 if (prepopulated_urls[i]->prepopulate_id == prepopulate_id) {
1789 MergeIntoPrepopulatedEngineData(template_url, prepopulated_urls[i]);
1790 template_url->CopyFrom(TemplateURL(*prepopulated_urls[i]));
1795 void TemplateURLService::MaybeUpdateDSEAfterSync(TemplateURL* synced_turl) {
1797 (synced_turl->sync_guid() ==
1798 prefs_->GetString(prefs::kSyncedDefaultSearchProviderGUID))) {
1799 default_search_manager_.SetUserSelectedDefaultSearchEngine(
1800 synced_turl->data());
1804 void TemplateURLService::UpdateKeywordSearchTermsForURL(
1805 const URLVisitedDetails& details) {
1806 if (!details.url.is_valid())
1809 const TemplateURLSet* urls_for_host =
1810 provider_map_->GetURLsForHost(details.url.host());
1814 for (TemplateURLSet::const_iterator i = urls_for_host->begin();
1815 i != urls_for_host->end(); ++i) {
1816 base::string16 search_terms;
1817 if ((*i)->ExtractSearchTermsFromURL(details.url, search_terms_data(),
1819 !search_terms.empty()) {
1820 if (details.is_keyword_transition) {
1821 // The visit is the result of the user entering a keyword, generate a
1822 // KEYWORD_GENERATED visit for the KEYWORD so that the keyword typed
1823 // count is boosted.
1824 AddTabToSearchVisit(**i);
1827 client_->SetKeywordSearchTermsForURL(
1828 details.url, (*i)->id(), search_terms);
1834 void TemplateURLService::AddTabToSearchVisit(const TemplateURL& t_url) {
1835 // Only add visits for entries the user hasn't modified. If the user modified
1836 // the entry the keyword may no longer correspond to the host name. It may be
1837 // possible to do something more sophisticated here, but it's so rare as to
1839 if (!t_url.safe_for_autoreplace())
1846 url_fixer::FixupURL(base::UTF16ToUTF8(t_url.keyword()), std::string()));
1847 if (!url.is_valid())
1850 // Synthesize a visit for the keyword. This ensures the url for the keyword is
1851 // autocompleted even if the user doesn't type the url in directly.
1852 client_->AddKeywordGeneratedVisit(url);
1855 void TemplateURLService::RequestGoogleURLTrackerServerCheckIfNecessary() {
1856 if (default_search_provider_ &&
1857 default_search_provider_->HasGoogleBaseURLs(search_terms_data()) &&
1858 google_url_tracker_)
1859 google_url_tracker_->RequestServerCheck(false);
1862 void TemplateURLService::GoogleBaseURLChanged() {
1866 KeywordWebDataService::BatchModeScoper scoper(web_data_service_.get());
1867 bool something_changed = false;
1868 for (TemplateURLVector::iterator i(template_urls_.begin());
1869 i != template_urls_.end(); ++i) {
1870 TemplateURL* t_url = *i;
1871 if (t_url->HasGoogleBaseURLs(search_terms_data())) {
1872 TemplateURL updated_turl(t_url->data());
1873 updated_turl.ResetKeywordIfNecessary(search_terms_data(), false);
1874 KeywordToTemplateMap::const_iterator existing_entry =
1875 keyword_to_template_map_.find(updated_turl.keyword());
1876 if ((existing_entry != keyword_to_template_map_.end()) &&
1877 (existing_entry->second != t_url)) {
1878 // The new autogenerated keyword conflicts with another TemplateURL.
1879 // Overwrite it if it's replaceable; otherwise, leave |t_url| using its
1880 // current keyword. (This will not prevent |t_url| from auto-updating
1881 // the keyword in the future if the conflicting TemplateURL disappears.)
1882 // Note that we must still update |t_url| in this case, or the
1883 // |provider_map_| will not be updated correctly.
1884 if (CanReplace(existing_entry->second))
1885 RemoveNoNotify(existing_entry->second);
1887 updated_turl.data_.SetKeyword(t_url->keyword());
1889 something_changed = true;
1890 // This will send the keyword change to sync. Note that other clients
1891 // need to reset the keyword to an appropriate local value when this
1892 // change arrives; see CreateTemplateURLFromTemplateURLAndSyncData().
1893 UpdateNoNotify(t_url, updated_turl);
1896 if (something_changed)
1900 void TemplateURLService::OnDefaultSearchChange(
1901 const TemplateURLData* data,
1902 DefaultSearchManager::Source source) {
1903 if (prefs_ && (source == DefaultSearchManager::FROM_USER) &&
1904 ((source != default_search_provider_source_) ||
1905 !IdenticalSyncGUIDs(data, GetDefaultSearchProvider()))) {
1906 prefs_->SetString(prefs::kSyncedDefaultSearchProviderGUID, data->sync_guid);
1908 ApplyDefaultSearchChange(data, source);
1911 void TemplateURLService::ApplyDefaultSearchChange(
1912 const TemplateURLData* data,
1913 DefaultSearchManager::Source source) {
1914 if (!ApplyDefaultSearchChangeNoMetrics(data, source))
1917 UMA_HISTOGRAM_ENUMERATION(
1918 "Search.DefaultSearchChangeOrigin", dsp_change_origin_, DSP_CHANGE_MAX);
1920 if (GetDefaultSearchProvider() &&
1921 GetDefaultSearchProvider()->HasGoogleBaseURLs(search_terms_data()) &&
1922 !dsp_change_callback_.is_null())
1923 dsp_change_callback_.Run();
1926 bool TemplateURLService::ApplyDefaultSearchChangeNoMetrics(
1927 const TemplateURLData* data,
1928 DefaultSearchManager::Source source) {
1930 // Set |initial_default_search_provider_| from the preferences. This is
1931 // mainly so we can hold ownership until we get to the point where the list
1932 // of keywords from Web Data is the owner of everything including the
1934 bool changed = TemplateURL::MatchesData(
1935 initial_default_search_provider_.get(), data, search_terms_data());
1936 initial_default_search_provider_.reset(
1937 data ? new TemplateURL(*data) : NULL);
1938 default_search_provider_source_ = source;
1942 // Prevent recursion if we update the value stored in default_search_manager_.
1943 // Note that we exclude the case of data == NULL because that could cause a
1944 // false positive for recursion when the initial_default_search_provider_ is
1945 // NULL due to policy. We'll never actually get recursion with data == NULL.
1946 if (source == default_search_provider_source_ && data != NULL &&
1947 TemplateURL::MatchesData(default_search_provider_, data,
1948 search_terms_data()))
1951 // This may be deleted later. Use exclusively for pointer comparison to detect
1953 TemplateURL* previous_default_search_engine = default_search_provider_;
1955 KeywordWebDataService::BatchModeScoper scoper(web_data_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 } else if (source == DefaultSearchManager::FROM_EXTENSION) {
1968 default_search_provider_ = FindMatchingExtensionTemplateURL(
1969 *data, TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION);
1970 } else if (source == DefaultSearchManager::FROM_FALLBACK) {
1971 default_search_provider_ =
1972 FindPrepopulatedTemplateURL(data->prepopulate_id);
1973 if (default_search_provider_) {
1974 TemplateURLData update_data(*data);
1975 update_data.sync_guid = default_search_provider_->sync_guid();
1976 if (!default_search_provider_->safe_for_autoreplace()) {
1977 update_data.safe_for_autoreplace = false;
1978 update_data.SetKeyword(default_search_provider_->keyword());
1979 update_data.short_name = default_search_provider_->short_name();
1981 UpdateNoNotify(default_search_provider_, TemplateURL(update_data));
1983 // Normally the prepopulated fallback should be present in
1984 // |template_urls_|, but in a few cases it might not be:
1985 // (1) Tests that initialize the TemplateURLService in peculiar ways.
1986 // (2) If the user deleted the pre-populated default and we subsequently
1987 // lost their user-selected value.
1988 TemplateURL* new_dse = new TemplateURL(*data);
1989 if (AddNoNotify(new_dse, true))
1990 default_search_provider_ = new_dse;
1992 } else if (source == DefaultSearchManager::FROM_USER) {
1993 default_search_provider_ = GetTemplateURLForGUID(data->sync_guid);
1994 if (!default_search_provider_ && data->prepopulate_id) {
1995 default_search_provider_ =
1996 FindPrepopulatedTemplateURL(data->prepopulate_id);
1998 TemplateURLData new_data(*data);
1999 new_data.show_in_default_list = true;
2000 if (default_search_provider_) {
2001 UpdateNoNotify(default_search_provider_, TemplateURL(new_data));
2003 new_data.id = kInvalidTemplateURLID;
2004 TemplateURL* new_dse = new TemplateURL(new_data);
2005 if (AddNoNotify(new_dse, true))
2006 default_search_provider_ = new_dse;
2008 if (default_search_provider_ && prefs_) {
2009 prefs_->SetString(prefs::kSyncedDefaultSearchProviderGUID,
2010 default_search_provider_->sync_guid());
2015 default_search_provider_source_ = source;
2017 bool changed = default_search_provider_ != previous_default_search_engine;
2019 RequestGoogleURLTrackerServerCheckIfNecessary();
2026 bool TemplateURLService::AddNoNotify(TemplateURL* template_url,
2027 bool newly_adding) {
2028 DCHECK(template_url);
2031 DCHECK_EQ(kInvalidTemplateURLID, template_url->id());
2032 DCHECK(std::find(template_urls_.begin(), template_urls_.end(),
2033 template_url) == template_urls_.end());
2034 template_url->data_.id = ++next_id_;
2037 template_url->ResetKeywordIfNecessary(search_terms_data(), false);
2038 // Check whether |template_url|'s keyword conflicts with any already in the
2040 TemplateURL* existing_keyword_turl =
2041 GetTemplateURLForKeyword(template_url->keyword());
2043 // Check whether |template_url|'s keyword conflicts with any already in the
2044 // model. Note that we can reach here during the loading phase while
2045 // processing the template URLs from the web data service. In this case,
2046 // GetTemplateURLForKeyword() will look not only at what's already in the
2047 // model, but at the |initial_default_search_provider_|. Since this engine
2048 // will presumably also be present in the web data, we need to double-check
2049 // that any "pre-existing" entries we find are actually coming from
2050 // |template_urls_|, lest we detect a "conflict" between the
2051 // |initial_default_search_provider_| and the web data version of itself.
2052 if (template_url->GetType() != TemplateURL::OMNIBOX_API_EXTENSION &&
2053 existing_keyword_turl &&
2054 existing_keyword_turl->GetType() != TemplateURL::OMNIBOX_API_EXTENSION &&
2055 (std::find(template_urls_.begin(), template_urls_.end(),
2056 existing_keyword_turl) != template_urls_.end())) {
2057 DCHECK_NE(existing_keyword_turl, template_url);
2058 // Only replace one of the TemplateURLs if they are either both extensions,
2059 // or both not extensions.
2060 bool are_same_type = existing_keyword_turl->GetType() ==
2061 template_url->GetType();
2062 if (CanReplace(existing_keyword_turl) && are_same_type) {
2063 RemoveNoNotify(existing_keyword_turl);
2064 } else if (CanReplace(template_url) && are_same_type) {
2065 delete template_url;
2068 base::string16 new_keyword =
2069 UniquifyKeyword(*existing_keyword_turl, false);
2070 ResetTemplateURLNoNotify(existing_keyword_turl,
2071 existing_keyword_turl->short_name(), new_keyword,
2072 existing_keyword_turl->url());
2075 template_urls_.push_back(template_url);
2076 AddToMaps(template_url);
2079 (template_url->GetType() == TemplateURL::NORMAL)) {
2080 if (web_data_service_.get())
2081 web_data_service_->AddKeyword(template_url->data());
2083 // Inform sync of the addition. Note that this will assign a GUID to
2084 // template_url and add it to the guid_to_template_map_.
2085 ProcessTemplateURLChange(FROM_HERE,
2087 syncer::SyncChange::ACTION_ADD);
2093 void TemplateURLService::RemoveNoNotify(TemplateURL* template_url) {
2094 DCHECK(template_url != default_search_provider_);
2096 TemplateURLVector::iterator i =
2097 std::find(template_urls_.begin(), template_urls_.end(), template_url);
2098 if (i == template_urls_.end())
2101 RemoveFromMaps(template_url);
2103 // Remove it from the vector containing all TemplateURLs.
2104 template_urls_.erase(i);
2106 if (template_url->GetType() == TemplateURL::NORMAL) {
2107 if (web_data_service_.get())
2108 web_data_service_->RemoveKeyword(template_url->id());
2110 // Inform sync of the deletion.
2111 ProcessTemplateURLChange(FROM_HERE,
2113 syncer::SyncChange::ACTION_DELETE);
2115 UMA_HISTOGRAM_ENUMERATION(kDeleteSyncedEngineHistogramName,
2116 DELETE_ENGINE_USER_ACTION, DELETE_ENGINE_MAX);
2119 if (loaded_ && client_)
2120 client_->DeleteAllSearchTermsForKeyword(template_url->id());
2122 // We own the TemplateURL and need to delete it.
2123 delete template_url;
2126 bool TemplateURLService::ResetTemplateURLNoNotify(
2128 const base::string16& title,
2129 const base::string16& keyword,
2130 const std::string& search_url) {
2131 DCHECK(!keyword.empty());
2132 DCHECK(!search_url.empty());
2133 TemplateURLData data(url->data());
2134 data.short_name = title;
2135 data.SetKeyword(keyword);
2136 if (search_url != data.url()) {
2137 data.SetURL(search_url);
2138 // The urls have changed, reset the favicon url.
2139 data.favicon_url = GURL();
2141 data.safe_for_autoreplace = false;
2142 data.last_modified = time_provider_();
2143 return UpdateNoNotify(url, TemplateURL(data));
2146 void TemplateURLService::NotifyObservers() {
2150 FOR_EACH_OBSERVER(TemplateURLServiceObserver, model_observers_,
2151 OnTemplateURLServiceChanged());
2154 // |template_urls| are the TemplateURLs loaded from the database.
2155 // |default_from_prefs| is the default search provider from the preferences, or
2156 // NULL if the DSE is not policy-defined.
2158 // This function removes from the vector and the database all the TemplateURLs
2159 // that were set by policy, unless it is the current default search provider, in
2160 // which case it is updated with the data from prefs.
2161 void TemplateURLService::UpdateProvidersCreatedByPolicy(
2162 TemplateURLVector* template_urls,
2163 const TemplateURLData* default_from_prefs) {
2164 DCHECK(template_urls);
2166 for (TemplateURLVector::iterator i = template_urls->begin();
2167 i != template_urls->end(); ) {
2168 TemplateURL* template_url = *i;
2169 if (template_url->created_by_policy()) {
2170 if (default_from_prefs &&
2171 TemplateURL::MatchesData(template_url, default_from_prefs,
2172 search_terms_data())) {
2173 // If the database specified a default search provider that was set
2174 // by policy, and the default search provider from the preferences
2175 // is also set by policy and they are the same, keep the entry in the
2176 // database and the |default_search_provider|.
2177 default_search_provider_ = template_url;
2178 // Prevent us from saving any other entries, or creating a new one.
2179 default_from_prefs = NULL;
2184 RemoveFromMaps(template_url);
2185 i = template_urls->erase(i);
2186 if (web_data_service_.get())
2187 web_data_service_->RemoveKeyword(template_url->id());
2188 delete template_url;
2194 if (default_from_prefs) {
2195 default_search_provider_ = NULL;
2196 default_search_provider_source_ = DefaultSearchManager::FROM_POLICY;
2197 TemplateURLData new_data(*default_from_prefs);
2198 if (new_data.sync_guid.empty())
2199 new_data.sync_guid = base::GenerateGUID();
2200 new_data.created_by_policy = true;
2201 TemplateURL* new_dse = new TemplateURL(new_data);
2202 if (AddNoNotify(new_dse, true))
2203 default_search_provider_ = new_dse;
2207 void TemplateURLService::ResetTemplateURLGUID(TemplateURL* url,
2208 const std::string& guid) {
2210 DCHECK(!guid.empty());
2212 TemplateURLData data(url->data());
2213 data.sync_guid = guid;
2214 UpdateNoNotify(url, TemplateURL(data));
2217 base::string16 TemplateURLService::UniquifyKeyword(const TemplateURL& turl,
2221 if (!GetTemplateURLForKeyword(turl.keyword()))
2222 return turl.keyword();
2224 // First, try to return the generated keyword for the TemplateURL (except
2225 // for extensions, as their keywords are not associated with their URLs).
2226 GURL gurl(turl.url());
2227 if (gurl.is_valid() &&
2228 (turl.GetType() != TemplateURL::OMNIBOX_API_EXTENSION)) {
2229 base::string16 keyword_candidate = TemplateURL::GenerateKeyword(gurl);
2230 if (!GetTemplateURLForKeyword(keyword_candidate))
2231 return keyword_candidate;
2235 // We try to uniquify the keyword by appending a special character to the end.
2236 // This is a best-effort approach where we try to preserve the original
2237 // keyword and let the user do what they will after our attempt.
2238 base::string16 keyword_candidate(turl.keyword());
2240 keyword_candidate.append(base::ASCIIToUTF16("_"));
2241 } while (GetTemplateURLForKeyword(keyword_candidate));
2243 return keyword_candidate;
2246 bool TemplateURLService::IsLocalTemplateURLBetter(
2247 const TemplateURL* local_turl,
2248 const TemplateURL* sync_turl) {
2249 DCHECK(GetTemplateURLForGUID(local_turl->sync_guid()));
2250 return local_turl->last_modified() > sync_turl->last_modified() ||
2251 local_turl->created_by_policy() ||
2252 local_turl== GetDefaultSearchProvider();
2255 void TemplateURLService::ResolveSyncKeywordConflict(
2256 TemplateURL* unapplied_sync_turl,
2257 TemplateURL* applied_sync_turl,
2258 syncer::SyncChangeList* change_list) {
2260 DCHECK(unapplied_sync_turl);
2261 DCHECK(applied_sync_turl);
2262 DCHECK(change_list);
2263 DCHECK_EQ(applied_sync_turl->keyword(), unapplied_sync_turl->keyword());
2264 DCHECK_EQ(TemplateURL::NORMAL, applied_sync_turl->GetType());
2266 // Both |unapplied_sync_turl| and |applied_sync_turl| are known to Sync, so
2267 // don't delete either of them. Instead, determine which is "better" and
2268 // uniquify the other one, sending an update to the server for the updated
2270 const bool applied_turl_is_better =
2271 IsLocalTemplateURLBetter(applied_sync_turl, unapplied_sync_turl);
2272 TemplateURL* loser = applied_turl_is_better ?
2273 unapplied_sync_turl : applied_sync_turl;
2274 base::string16 new_keyword = UniquifyKeyword(*loser, false);
2275 DCHECK(!GetTemplateURLForKeyword(new_keyword));
2276 if (applied_turl_is_better) {
2277 // Just set the keyword of |unapplied_sync_turl|. The caller is responsible
2278 // for adding or updating unapplied_sync_turl in the local model.
2279 unapplied_sync_turl->data_.SetKeyword(new_keyword);
2281 // Update |applied_sync_turl| in the local model with the new keyword.
2282 TemplateURLData data(applied_sync_turl->data());
2283 data.SetKeyword(new_keyword);
2284 if (UpdateNoNotify(applied_sync_turl, TemplateURL(data)))
2287 // The losing TemplateURL should have their keyword updated. Send a change to
2288 // the server to reflect this change.
2289 syncer::SyncData sync_data = CreateSyncDataFromTemplateURL(*loser);
2290 change_list->push_back(syncer::SyncChange(FROM_HERE,
2291 syncer::SyncChange::ACTION_UPDATE,
2295 void TemplateURLService::MergeInSyncTemplateURL(
2296 TemplateURL* sync_turl,
2297 const SyncDataMap& sync_data,
2298 syncer::SyncChangeList* change_list,
2299 SyncDataMap* local_data,
2300 syncer::SyncMergeResult* merge_result) {
2302 DCHECK(!GetTemplateURLForGUID(sync_turl->sync_guid()));
2303 DCHECK(IsFromSync(sync_turl, sync_data));
2305 TemplateURL* conflicting_turl =
2306 FindNonExtensionTemplateURLForKeyword(sync_turl->keyword());
2307 bool should_add_sync_turl = true;
2309 // If there was no TemplateURL in the local model that conflicts with
2310 // |sync_turl|, skip the following preparation steps and just add |sync_turl|
2311 // directly. Otherwise, modify |conflicting_turl| to make room for
2313 if (conflicting_turl) {
2314 if (IsFromSync(conflicting_turl, sync_data)) {
2315 // |conflicting_turl| is already known to Sync, so we're not allowed to
2316 // remove it. In this case, we want to uniquify the worse one and send an
2317 // update for the changed keyword to sync. We can reuse the logic from
2318 // ResolveSyncKeywordConflict for this.
2319 ResolveSyncKeywordConflict(sync_turl, conflicting_turl, change_list);
2320 merge_result->set_num_items_modified(
2321 merge_result->num_items_modified() + 1);
2323 // |conflicting_turl| is not yet known to Sync. If it is better, then we
2324 // want to transfer its values up to sync. Otherwise, we remove it and
2325 // allow the entry from Sync to overtake it in the model.
2326 const std::string guid = conflicting_turl->sync_guid();
2327 if (IsLocalTemplateURLBetter(conflicting_turl, sync_turl)) {
2328 ResetTemplateURLGUID(conflicting_turl, sync_turl->sync_guid());
2329 syncer::SyncData sync_data =
2330 CreateSyncDataFromTemplateURL(*conflicting_turl);
2331 change_list->push_back(syncer::SyncChange(
2332 FROM_HERE, syncer::SyncChange::ACTION_UPDATE, sync_data));
2333 // Note that in this case we do not add the Sync TemplateURL to the
2334 // local model, since we've effectively "merged" it in by updating the
2335 // local conflicting entry with its sync_guid.
2336 should_add_sync_turl = false;
2337 merge_result->set_num_items_modified(
2338 merge_result->num_items_modified() + 1);
2340 // We guarantee that this isn't the local search provider. Otherwise,
2341 // local would have won.
2342 DCHECK(conflicting_turl != GetDefaultSearchProvider());
2343 Remove(conflicting_turl);
2344 merge_result->set_num_items_deleted(
2345 merge_result->num_items_deleted() + 1);
2347 // This TemplateURL was either removed or overwritten in the local model.
2348 // Remove the entry from the local data so it isn't pushed up to Sync.
2349 local_data->erase(guid);
2353 if (should_add_sync_turl) {
2354 // Force the local ID to kInvalidTemplateURLID so we can add it.
2355 TemplateURLData data(sync_turl->data());
2356 data.id = kInvalidTemplateURLID;
2357 TemplateURL* added = new TemplateURL(data);
2358 base::AutoReset<DefaultSearchChangeOrigin> change_origin(
2359 &dsp_change_origin_, DSP_CHANGE_SYNC_ADD);
2361 MaybeUpdateDSEAfterSync(added);
2362 merge_result->set_num_items_added(
2363 merge_result->num_items_added() + 1);
2367 void TemplateURLService::PatchMissingSyncGUIDs(
2368 TemplateURLVector* template_urls) {
2369 DCHECK(template_urls);
2370 for (TemplateURLVector::iterator i = template_urls->begin();
2371 i != template_urls->end(); ++i) {
2372 TemplateURL* template_url = *i;
2373 DCHECK(template_url);
2374 if (template_url->sync_guid().empty() &&
2375 (template_url->GetType() == TemplateURL::NORMAL)) {
2376 template_url->data_.sync_guid = base::GenerateGUID();
2377 if (web_data_service_.get())
2378 web_data_service_->UpdateKeyword(template_url->data());
2383 void TemplateURLService::OnSyncedDefaultSearchProviderGUIDChanged() {
2384 base::AutoReset<DefaultSearchChangeOrigin> change_origin(
2385 &dsp_change_origin_, DSP_CHANGE_SYNC_PREF);
2387 std::string new_guid =
2388 prefs_->GetString(prefs::kSyncedDefaultSearchProviderGUID);
2389 if (new_guid.empty()) {
2390 default_search_manager_.ClearUserSelectedDefaultSearchEngine();
2394 TemplateURL* turl = GetTemplateURLForGUID(new_guid);
2396 default_search_manager_.SetUserSelectedDefaultSearchEngine(turl->data());
2399 TemplateURL* TemplateURLService::FindPrepopulatedTemplateURL(
2400 int prepopulated_id) {
2401 for (TemplateURLVector::const_iterator i = template_urls_.begin();
2402 i != template_urls_.end(); ++i) {
2403 if ((*i)->prepopulate_id() == prepopulated_id)
2409 TemplateURL* TemplateURLService::FindTemplateURLForExtension(
2410 const std::string& extension_id,
2411 TemplateURL::Type type) {
2412 DCHECK_NE(TemplateURL::NORMAL, type);
2413 for (TemplateURLVector::const_iterator i = template_urls_.begin();
2414 i != template_urls_.end(); ++i) {
2415 if ((*i)->GetType() == type &&
2416 (*i)->GetExtensionId() == extension_id)
2422 TemplateURL* TemplateURLService::FindMatchingExtensionTemplateURL(
2423 const TemplateURLData& data,
2424 TemplateURL::Type type) {
2425 DCHECK_NE(TemplateURL::NORMAL, type);
2426 for (TemplateURLVector::const_iterator i = template_urls_.begin();
2427 i != template_urls_.end(); ++i) {
2428 if ((*i)->GetType() == type &&
2429 TemplateURL::MatchesData(*i, &data, search_terms_data()))
2435 void TemplateURLService::UpdateExtensionDefaultSearchEngine() {
2436 TemplateURL* most_recently_intalled_default = NULL;
2437 for (TemplateURLVector::const_iterator i = template_urls_.begin();
2438 i != template_urls_.end(); ++i) {
2439 if (((*i)->GetType() == TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION) &&
2440 (*i)->extension_info_->wants_to_be_default_engine &&
2441 (*i)->SupportsReplacement(search_terms_data()) &&
2442 (!most_recently_intalled_default ||
2443 (most_recently_intalled_default->extension_info_->install_time <
2444 (*i)->extension_info_->install_time)))
2445 most_recently_intalled_default = *i;
2448 if (most_recently_intalled_default) {
2449 base::AutoReset<DefaultSearchChangeOrigin> change_origin(
2450 &dsp_change_origin_, DSP_CHANGE_OVERRIDE_SETTINGS_EXTENSION);
2451 default_search_manager_.SetExtensionControlledDefaultSearchEngine(
2452 most_recently_intalled_default->data());
2454 default_search_manager_.ClearExtensionControlledDefaultSearchEngine();