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"
55 typedef SearchHostToURLsMap::TemplateURLSet TemplateURLSet;
56 typedef TemplateURLService::SyncDataMap SyncDataMap;
60 bool TemplateURLsHaveSamePrefs(const TemplateURL* url1,
61 const TemplateURL* url2) {
64 return (url1 != NULL) && (url2 != NULL) &&
65 (url1->short_name() == url2->short_name()) &&
66 url1->HasSameKeywordAs(*url2) &&
67 (url1->url() == url2->url()) &&
68 (url1->suggestions_url() == url2->suggestions_url()) &&
69 (url1->instant_url() == url2->instant_url()) &&
70 (url1->image_url() == url2->image_url()) &&
71 (url1->new_tab_url() == url2->new_tab_url()) &&
72 (url1->search_url_post_params() == url2->search_url_post_params()) &&
73 (url1->suggestions_url_post_params() ==
74 url2->suggestions_url_post_params()) &&
75 (url1->instant_url_post_params() == url2->instant_url_post_params()) &&
76 (url1->image_url_post_params() == url2->image_url_post_params()) &&
77 (url1->favicon_url() == url2->favicon_url()) &&
78 (url1->safe_for_autoreplace() == url2->safe_for_autoreplace()) &&
79 (url1->show_in_default_list() == url2->show_in_default_list()) &&
80 (url1->input_encodings() == url2->input_encodings()) &&
81 (url1->alternate_urls() == url2->alternate_urls()) &&
82 (url1->search_terms_replacement_key() ==
83 url2->search_terms_replacement_key());
86 const char kFirstPotentialEngineHistogramName[] =
87 "Search.FirstPotentialEngineCalled";
89 // Values for an enumerated histogram used to track whenever
90 // FirstPotentialDefaultEngine is called, and from where.
91 enum FirstPotentialEngineCaller {
92 FIRST_POTENTIAL_CALLSITE_FIND_NEW_DSP,
93 FIRST_POTENTIAL_CALLSITE_FIND_NEW_DSP_PROCESSING_SYNC_CHANGES,
94 FIRST_POTENTIAL_CALLSITE_ON_LOAD,
95 FIRST_POTENTIAL_CALLSITE_FIND_NEW_DSP_SYNCING,
96 FIRST_POTENTIAL_CALLSITE_FIND_NEW_DSP_NOT_SYNCING,
97 FIRST_POTENTIAL_CALLSITE_MAX,
100 const char kDeleteSyncedEngineHistogramName[] =
101 "Search.DeleteSyncedSearchEngine";
103 // Values for an enumerated histogram used to track whenever an ACTION_DELETE is
104 // sent to the server for search engines.
105 enum DeleteSyncedSearchEngineEvent {
106 DELETE_ENGINE_USER_ACTION,
107 DELETE_ENGINE_PRE_SYNC,
108 DELETE_ENGINE_EMPTY_FIELD,
112 TemplateURL* FirstPotentialDefaultEngine(
113 const TemplateURLService::TemplateURLVector& template_urls) {
114 for (TemplateURLService::TemplateURLVector::const_iterator i(
115 template_urls.begin()); i != template_urls.end(); ++i) {
116 if ((*i)->ShowInDefaultList() &&
117 ((*i)->GetType() == TemplateURL::NORMAL))
123 // Returns true iff the change in |change_list| at index |i| should not be sent
124 // up to the server based on its GUIDs presence in |sync_data| or when compared
125 // to changes after it in |change_list|.
127 // 1) It is an ACTION_UPDATE or ACTION_DELETE and the sync_guid associated
128 // with it is NOT found in |sync_data|. We can only update and remove
129 // entries that were originally from the Sync server.
130 // 2) It is an ACTION_ADD and the sync_guid associated with it is found in
131 // |sync_data|. We cannot re-add entries that Sync already knew about.
132 // 3) There is an update after an update for the same GUID. We prune earlier
133 // ones just to save bandwidth (Sync would normally coalesce them).
134 bool ShouldRemoveSyncChange(size_t index,
135 syncer::SyncChangeList* change_list,
136 const SyncDataMap* sync_data) {
137 DCHECK(index < change_list->size());
138 const syncer::SyncChange& change_i = (*change_list)[index];
139 const std::string guid = change_i.sync_data().GetSpecifics()
140 .search_engine().sync_guid();
141 syncer::SyncChange::SyncChangeType type = change_i.change_type();
142 if ((type == syncer::SyncChange::ACTION_UPDATE ||
143 type == syncer::SyncChange::ACTION_DELETE) &&
144 sync_data->find(guid) == sync_data->end())
146 if (type == syncer::SyncChange::ACTION_ADD &&
147 sync_data->find(guid) != sync_data->end())
149 if (type == syncer::SyncChange::ACTION_UPDATE) {
150 for (size_t j = index + 1; j < change_list->size(); j++) {
151 const syncer::SyncChange& change_j = (*change_list)[j];
152 if ((syncer::SyncChange::ACTION_UPDATE == change_j.change_type()) &&
153 (change_j.sync_data().GetSpecifics().search_engine().sync_guid() ==
161 // Remove SyncChanges that should not be sent to the server from |change_list|.
162 // This is done to eliminate incorrect SyncChanges added by the merge and
163 // conflict resolution logic when it is unsure of whether or not an entry is new
164 // from Sync or originally from the local model. This also removes changes that
165 // would be otherwise be coalesced by Sync in order to save bandwidth.
166 void PruneSyncChanges(const SyncDataMap* sync_data,
167 syncer::SyncChangeList* change_list) {
168 for (size_t i = 0; i < change_list->size(); ) {
169 if (ShouldRemoveSyncChange(i, change_list, sync_data))
170 change_list->erase(change_list->begin() + i);
176 // Helper class that reports a specific string as the Google base URL. We use
177 // this so that code can calculate a TemplateURL's previous search URL after a
178 // change to the global base URL.
179 class OldBaseURLSearchTermsData : public UIThreadSearchTermsData {
181 OldBaseURLSearchTermsData(Profile* profile, const std::string& old_base_url);
182 virtual ~OldBaseURLSearchTermsData();
184 virtual std::string GoogleBaseURLValue() const OVERRIDE;
187 std::string old_base_url;
190 OldBaseURLSearchTermsData::OldBaseURLSearchTermsData(
192 const std::string& old_base_url)
193 : UIThreadSearchTermsData(profile),
194 old_base_url(old_base_url) {
197 OldBaseURLSearchTermsData::~OldBaseURLSearchTermsData() {
200 std::string OldBaseURLSearchTermsData::GoogleBaseURLValue() const {
204 // Returns true if |turl|'s GUID is not found inside |sync_data|. This is to be
205 // used in MergeDataAndStartSyncing to differentiate between TemplateURLs from
206 // Sync and TemplateURLs that were initially local, assuming |sync_data| is the
207 // |initial_sync_data| parameter.
208 bool IsFromSync(const TemplateURL* turl, const SyncDataMap& sync_data) {
209 return !!sync_data.count(turl->sync_guid());
212 // Log the number of instances of a keyword that exist, with zero or more
213 // underscores, which could occur as the result of conflict resolution.
214 void LogDuplicatesHistogram(
215 const TemplateURLService::TemplateURLVector& template_urls) {
216 std::map<std::string, int> duplicates;
217 for (TemplateURLService::TemplateURLVector::const_iterator it =
218 template_urls.begin(); it != template_urls.end(); ++it) {
219 std::string keyword = base::UTF16ToASCII((*it)->keyword());
220 base::TrimString(keyword, "_", &keyword);
221 duplicates[keyword]++;
224 // Count the keywords with duplicates.
226 for (std::map<std::string, int>::const_iterator it = duplicates.begin();
227 it != duplicates.end(); ++it) {
232 UMA_HISTOGRAM_COUNTS_100("Search.SearchEngineDuplicateCounts", num_dupes);
238 // TemplateURLService::ExtensionKeyword ---------------------------------------
240 TemplateURLService::ExtensionKeyword::ExtensionKeyword(
241 const std::string& id,
242 const std::string& name,
243 const std::string& keyword)
245 extension_name(name),
246 extension_keyword(keyword) {
249 TemplateURLService::ExtensionKeyword::~ExtensionKeyword() {}
252 // TemplateURLService::LessWithPrefix -----------------------------------------
254 class TemplateURLService::LessWithPrefix {
256 // We want to find the set of keywords that begin with a prefix. The STL
257 // algorithms will return the set of elements that are "equal to" the
258 // prefix, where "equal(x, y)" means "!(cmp(x, y) || cmp(y, x))". When
259 // cmp() is the typical std::less<>, this results in lexicographic equality;
260 // we need to extend this to mark a prefix as "not less than" a keyword it
261 // begins, which will cause the desired elements to be considered "equal to"
262 // the prefix. Note: this is still a strict weak ordering, as required by
263 // equal_range() (though I will not prove that here).
265 // Unfortunately the calling convention is not "prefix and element" but
266 // rather "two elements", so we pass the prefix as a fake "element" which has
267 // a NULL KeywordDataElement pointer.
268 bool operator()(const KeywordToTemplateMap::value_type& elem1,
269 const KeywordToTemplateMap::value_type& elem2) const {
270 return (elem1.second == NULL) ?
271 (elem2.first.compare(0, elem1.first.length(), elem1.first) > 0) :
272 (elem1.first < elem2.first);
277 // TemplateURLService ---------------------------------------------------------
279 TemplateURLService::TemplateURLService(Profile* profile)
280 : provider_map_(new SearchHostToURLsMap),
285 default_search_provider_(NULL),
286 is_default_search_managed_(false),
287 next_id_(kInvalidTemplateURLID + 1),
288 time_provider_(&base::Time::Now),
289 models_associated_(false),
290 processing_syncer_changes_(false),
291 pending_synced_default_search_(false),
292 dsp_change_origin_(DSP_CHANGE_OTHER) {
297 TemplateURLService::TemplateURLService(const Initializer* initializers,
299 : provider_map_(new SearchHostToURLsMap),
305 default_search_provider_(NULL),
306 is_default_search_managed_(false),
307 next_id_(kInvalidTemplateURLID + 1),
308 time_provider_(&base::Time::Now),
309 models_associated_(false),
310 processing_syncer_changes_(false),
311 pending_synced_default_search_(false),
312 dsp_change_origin_(DSP_CHANGE_OTHER) {
313 Init(initializers, count);
316 TemplateURLService::~TemplateURLService() {
317 // |service_| should be deleted during Shutdown().
319 STLDeleteElements(&template_urls_);
323 base::string16 TemplateURLService::GenerateKeyword(const GURL& url) {
324 DCHECK(url.is_valid());
325 // Strip "www." off the front of the keyword; otherwise the keyword won't work
326 // properly. See http://code.google.com/p/chromium/issues/detail?id=6984 .
327 // Special case: if the host was exactly "www." (not sure this can happen but
328 // perhaps with some weird intranet and custom DNS server?), ensure we at
329 // least don't return the empty string.
330 base::string16 keyword(net::StripWWWFromHost(url));
331 return keyword.empty() ? base::ASCIIToUTF16("www") : keyword;
335 base::string16 TemplateURLService::CleanUserInputKeyword(
336 const base::string16& keyword) {
337 // Remove the scheme.
338 base::string16 result(base::i18n::ToLower(keyword));
339 base::TrimWhitespace(result, base::TRIM_ALL, &result);
340 url_parse::Component scheme_component;
341 if (url_parse::ExtractScheme(base::UTF16ToUTF8(keyword).c_str(),
342 static_cast<int>(keyword.length()),
343 &scheme_component)) {
344 // If the scheme isn't "http" or "https", bail. The user isn't trying to
345 // type a web address, but rather an FTP, file:, or other scheme URL, or a
346 // search query with some sort of initial operator (e.g. "site:").
347 if (result.compare(0, scheme_component.end(),
348 base::ASCIIToUTF16(content::kHttpScheme)) &&
349 result.compare(0, scheme_component.end(),
350 base::ASCIIToUTF16(content::kHttpsScheme)))
351 return base::string16();
353 // Include trailing ':'.
354 result.erase(0, scheme_component.end() + 1);
355 // Many schemes usually have "//" after them, so strip it too.
356 const base::string16 after_scheme(base::ASCIIToUTF16("//"));
357 if (result.compare(0, after_scheme.length(), after_scheme) == 0)
358 result.erase(0, after_scheme.length());
361 // Remove leading "www.".
362 result = net::StripWWW(result);
364 // Remove trailing "/".
365 return (result.length() > 0 && result[result.length() - 1] == '/') ?
366 result.substr(0, result.length() - 1) : result;
370 GURL TemplateURLService::GenerateSearchURL(TemplateURL* t_url) {
372 UIThreadSearchTermsData search_terms_data(t_url->profile());
373 return GenerateSearchURLUsingTermsData(t_url, search_terms_data);
377 GURL TemplateURLService::GenerateSearchURLUsingTermsData(
378 const TemplateURL* t_url,
379 const SearchTermsData& search_terms_data) {
382 const TemplateURLRef& search_ref = t_url->url_ref();
383 if (!search_ref.IsValidUsingTermsData(search_terms_data))
386 if (!search_ref.SupportsReplacementUsingTermsData(search_terms_data))
387 return GURL(t_url->url());
389 // Use something obscure for the search terms argument so that in the rare
390 // case the term replaces the URL it's unlikely another keyword would have the
392 // TODO(jnd): Add additional parameters to get post data when the search URL
393 // has post parameters.
394 return GURL(search_ref.ReplaceSearchTermsUsingTermsData(
395 TemplateURLRef::SearchTermsArgs(
396 base::ASCIIToUTF16("blah.blah.blah.blah.blah")),
397 search_terms_data, NULL));
400 bool TemplateURLService::CanReplaceKeyword(
401 const base::string16& keyword,
403 TemplateURL** template_url_to_replace) {
404 DCHECK(!keyword.empty()); // This should only be called for non-empty
405 // keywords. If we need to support empty kewords
406 // the code needs to change slightly.
407 TemplateURL* existing_url = GetTemplateURLForKeyword(keyword);
408 if (template_url_to_replace)
409 *template_url_to_replace = existing_url;
411 // We already have a TemplateURL for this keyword. Only allow it to be
412 // replaced if the TemplateURL can be replaced.
413 return CanReplace(existing_url);
416 // We don't have a TemplateURL with keyword. Only allow a new one if there
417 // isn't a TemplateURL for the specified host, or there is one but it can
418 // be replaced. We do this to ensure that if the user assigns a different
419 // keyword to a generated TemplateURL, we won't regenerate another keyword for
421 return !url.is_valid() || url.host().empty() ||
422 CanReplaceKeywordForHost(url.host(), template_url_to_replace);
425 void TemplateURLService::FindMatchingKeywords(
426 const base::string16& prefix,
427 bool support_replacement_only,
428 TemplateURLVector* matches) const {
429 // Sanity check args.
432 DCHECK(matches != NULL);
433 DCHECK(matches->empty()); // The code for exact matches assumes this.
435 // Required for VS2010: http://connect.microsoft.com/VisualStudio/feedback/details/520043/error-converting-from-null-to-a-pointer-type-in-std-pair
436 TemplateURL* const kNullTemplateURL = NULL;
438 // Find matching keyword range. Searches the element map for keywords
439 // beginning with |prefix| and stores the endpoints of the resulting set in
441 const std::pair<KeywordToTemplateMap::const_iterator,
442 KeywordToTemplateMap::const_iterator> match_range(
444 keyword_to_template_map_.begin(), keyword_to_template_map_.end(),
445 KeywordToTemplateMap::value_type(prefix, kNullTemplateURL),
448 // Return vector of matching keywords.
449 for (KeywordToTemplateMap::const_iterator i(match_range.first);
450 i != match_range.second; ++i) {
451 if (!support_replacement_only || i->second->url_ref().SupportsReplacement())
452 matches->push_back(i->second);
456 TemplateURL* TemplateURLService::GetTemplateURLForKeyword(
457 const base::string16& keyword) {
458 KeywordToTemplateMap::const_iterator elem(
459 keyword_to_template_map_.find(keyword));
460 if (elem != keyword_to_template_map_.end())
462 return ((!loaded_ || load_failed_) &&
463 initial_default_search_provider_.get() &&
464 (initial_default_search_provider_->keyword() == keyword)) ?
465 initial_default_search_provider_.get() : NULL;
468 TemplateURL* TemplateURLService::GetTemplateURLForGUID(
469 const std::string& sync_guid) {
470 GUIDToTemplateMap::const_iterator elem(guid_to_template_map_.find(sync_guid));
471 if (elem != guid_to_template_map_.end())
473 return ((!loaded_ || load_failed_) &&
474 initial_default_search_provider_.get() &&
475 (initial_default_search_provider_->sync_guid() == sync_guid)) ?
476 initial_default_search_provider_.get() : NULL;
479 TemplateURL* TemplateURLService::GetTemplateURLForHost(
480 const std::string& host) {
482 TemplateURL* t_url = provider_map_->GetTemplateURLForHost(host);
486 return ((!loaded_ || load_failed_) &&
487 initial_default_search_provider_.get() &&
488 (GenerateSearchURL(initial_default_search_provider_.get()).host() ==
489 host)) ? initial_default_search_provider_.get() : NULL;
492 void TemplateURLService::Add(TemplateURL* template_url) {
493 if (AddNoNotify(template_url, true))
497 void TemplateURLService::AddAndSetProfile(TemplateURL* template_url,
499 template_url->profile_ = profile;
503 void TemplateURLService::AddWithOverrides(TemplateURL* template_url,
504 const base::string16& short_name,
505 const base::string16& keyword,
506 const std::string& url) {
507 DCHECK(!keyword.empty());
508 DCHECK(!url.empty());
509 template_url->data_.short_name = short_name;
510 template_url->data_.SetKeyword(keyword);
511 template_url->SetURL(url);
515 void TemplateURLService::AddExtensionControlledTURL(
516 TemplateURL* template_url,
517 scoped_ptr<AssociatedExtensionInfo> info) {
519 DCHECK(template_url);
520 DCHECK_EQ(kInvalidTemplateURLID, template_url->id());
522 template_url->extension_info_.swap(info);
523 DCHECK(!FindTemplateURLForExtension(
524 template_url->GetExtensionId(),
525 TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION));
527 if (AddNoNotify(template_url, true)) {
528 // Note that we can't call CanMakeDefault() here, since it would return
529 // false when another extension is already controlling the default search
530 // engine, and we want to allow new extensions to take over.
531 if (template_url->extension_info_->wants_to_be_default_engine &&
532 !is_default_search_managed()) {
533 TemplateURL* default_candidate = FindExtensionDefaultSearchEngine();
534 if (default_candidate == template_url) {
535 base::AutoReset<DefaultSearchChangeOrigin> change_origin(
536 &dsp_change_origin_, DSP_CHANGE_OVERRIDE_SETTINGS_EXTENSION);
537 SetDefaultSearchProviderNoNotify(template_url);
544 void TemplateURLService::Remove(TemplateURL* template_url) {
545 RemoveNoNotify(template_url);
549 void TemplateURLService::RemoveExtensionControlledTURL(
550 const std::string& extension_id) {
552 TemplateURL* url = FindTemplateURLForExtension(
553 extension_id, TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION);
556 bool restore_dse = (url == GetDefaultSearchProvider());
558 DCHECK(!is_default_search_managed());
559 default_search_provider_ = NULL;
563 SetDefaultSearchProviderAfterRemovingDefaultExtension();
567 void TemplateURLService::RemoveAutoGeneratedSince(base::Time created_after) {
568 RemoveAutoGeneratedBetween(created_after, base::Time());
571 void TemplateURLService::RemoveAutoGeneratedBetween(base::Time created_after,
572 base::Time created_before) {
573 RemoveAutoGeneratedForOriginBetween(GURL(), created_after, created_before);
576 void TemplateURLService::RemoveAutoGeneratedForOriginBetween(
578 base::Time created_after,
579 base::Time created_before) {
580 GURL o(origin.GetOrigin());
581 bool should_notify = false;
582 for (size_t i = 0; i < template_urls_.size();) {
583 if (template_urls_[i]->date_created() >= created_after &&
584 (created_before.is_null() ||
585 template_urls_[i]->date_created() < created_before) &&
586 CanReplace(template_urls_[i]) &&
588 GenerateSearchURL(template_urls_[i]).GetOrigin() == o)) {
589 RemoveNoNotify(template_urls_[i]);
590 should_notify = true;
600 void TemplateURLService::RegisterOmniboxKeyword(
601 const std::string& extension_id,
602 const std::string& extension_name,
603 const std::string& keyword) {
606 if (!FindTemplateURLForExtension(extension_id,
607 TemplateURL::OMNIBOX_API_EXTENSION)) {
608 ExtensionKeyword extension_url(extension_id, extension_name, keyword);
609 Add(CreateTemplateURLForExtension(extension_url));
613 void TemplateURLService::UnregisterOmniboxKeyword(
614 const std::string& extension_id) {
616 TemplateURL* url = FindTemplateURLForExtension(
617 extension_id, TemplateURL::OMNIBOX_API_EXTENSION);
622 TemplateURLService::TemplateURLVector TemplateURLService::GetTemplateURLs() {
623 return template_urls_;
626 void TemplateURLService::IncrementUsageCount(TemplateURL* url) {
628 // Extension-controlled search engines are not persisted.
629 if (url->GetType() == TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION)
631 if (std::find(template_urls_.begin(), template_urls_.end(), url) ==
632 template_urls_.end())
634 ++url->data_.usage_count;
637 service_.get()->UpdateKeyword(url->data());
640 void TemplateURLService::ResetTemplateURL(TemplateURL* url,
641 const base::string16& title,
642 const base::string16& keyword,
643 const std::string& search_url) {
646 DCHECK(!keyword.empty());
647 DCHECK(!search_url.empty());
648 TemplateURLData data(url->data());
649 data.short_name = title;
650 data.SetKeyword(keyword);
651 if (search_url != data.url()) {
652 data.SetURL(search_url);
653 // The urls have changed, reset the favicon url.
654 data.favicon_url = GURL();
656 data.safe_for_autoreplace = false;
657 data.last_modified = time_provider_();
658 TemplateURL new_url(url->profile(), data);
659 UIThreadSearchTermsData search_terms_data(url->profile());
660 if (UpdateNoNotify(url, new_url, search_terms_data))
664 bool TemplateURLService::CanMakeDefault(const TemplateURL* url) {
665 return !is_default_search_managed() &&
666 !IsExtensionControlledDefaultSearch() &&
667 (url != GetDefaultSearchProvider()) &&
668 url->url_ref().SupportsReplacement() &&
669 (url->GetType() == TemplateURL::NORMAL);
672 void TemplateURLService::SetDefaultSearchProvider(TemplateURL* url) {
673 DCHECK(!is_default_search_managed_);
674 // Omnibox keywords cannot be made default. Extension-controlled search
675 // engines can be made default only by the extension itself because they
677 DCHECK(!url || (url->GetType() == TemplateURL::NORMAL));
679 // Always persist the setting in the database, that way if the backup
680 // signature has changed out from under us it gets reset correctly.
681 if (SetDefaultSearchProviderNoNotify(url))
685 TemplateURL* TemplateURLService::GetDefaultSearchProvider() {
686 if (loaded_ && !load_failed_)
687 return default_search_provider_;
688 // We're not loaded, rely on the default search provider stored in prefs.
689 return initial_default_search_provider_.get();
692 bool TemplateURLService::IsSearchResultsPageFromDefaultSearchProvider(
694 TemplateURL* default_provider = GetDefaultSearchProvider();
695 return default_provider && default_provider->IsSearchURL(url);
698 bool TemplateURLService::IsExtensionControlledDefaultSearch() {
699 const TemplateURL* default_provider = GetDefaultSearchProvider();
700 return default_provider && (default_provider->GetType() ==
701 TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION);
704 TemplateURL* TemplateURLService::FindNewDefaultSearchProvider() {
705 // See if the prepopulated default still exists.
706 scoped_ptr<TemplateURL> prepopulated_default(
707 TemplateURLPrepopulateData::GetPrepopulatedDefaultSearch(profile_));
708 for (TemplateURLVector::iterator i = template_urls_.begin();
709 i != template_urls_.end(); ++i) {
710 if ((*i)->prepopulate_id() == prepopulated_default->prepopulate_id())
713 // If not, use the first non-extension keyword of the templates that supports
714 // search term replacement.
715 if (processing_syncer_changes_) {
716 UMA_HISTOGRAM_ENUMERATION(
717 kFirstPotentialEngineHistogramName,
718 FIRST_POTENTIAL_CALLSITE_FIND_NEW_DSP_PROCESSING_SYNC_CHANGES,
719 FIRST_POTENTIAL_CALLSITE_MAX);
721 if (sync_processor_.get()) {
722 // We're not currently in a sync cycle, but we're syncing.
723 UMA_HISTOGRAM_ENUMERATION(kFirstPotentialEngineHistogramName,
724 FIRST_POTENTIAL_CALLSITE_FIND_NEW_DSP_SYNCING,
725 FIRST_POTENTIAL_CALLSITE_MAX);
727 // We're not syncing at all.
728 UMA_HISTOGRAM_ENUMERATION(
729 kFirstPotentialEngineHistogramName,
730 FIRST_POTENTIAL_CALLSITE_FIND_NEW_DSP_NOT_SYNCING,
731 FIRST_POTENTIAL_CALLSITE_MAX);
734 return FirstPotentialDefaultEngine(template_urls_);
737 void TemplateURLService::RepairPrepopulatedSearchEngines() {
738 // Can't clean DB if it hasn't been loaded.
741 size_t default_search_provider_index = 0;
742 ScopedVector<TemplateURL> prepopulated_urls =
743 TemplateURLPrepopulateData::GetPrepopulatedEngines(
744 profile_, &default_search_provider_index);
745 DCHECK(!prepopulated_urls.empty());
746 int default_search_engine_id =
747 prepopulated_urls[default_search_provider_index]->prepopulate_id();
748 TemplateURL* current_dse = default_search_provider_;
749 ActionsFromPrepopulateData actions(CreateActionsFromCurrentPrepopulateData(
750 &prepopulated_urls, template_urls_, current_dse));
752 for (std::vector<TemplateURL*>::iterator i = actions.removed_engines.begin();
753 i < actions.removed_engines.end(); ++i)
757 for (EditedEngines::iterator i(actions.edited_engines.begin());
758 i < actions.edited_engines.end(); ++i) {
759 UIThreadSearchTermsData search_terms_data(profile());
760 TemplateURL new_values(profile(), i->second);
761 UpdateNoNotify(i->first, new_values, search_terms_data);
765 for (std::vector<TemplateURL*>::iterator i = actions.added_engines.begin();
766 i < actions.added_engines.end(); ++i)
767 AddNoNotify(*i, true);
770 TemplateURL* new_dse = FindURLByPrepopulateID(template_urls_,
771 default_search_engine_id);
773 if (CanMakeDefault(new_dse)) {
774 base::AutoReset<DefaultSearchChangeOrigin> change_origin(
775 &dsp_change_origin_, DSP_CHANGE_PROFILE_RESET);
776 SetDefaultSearchProviderNoNotify(new_dse);
781 void TemplateURLService::AddObserver(TemplateURLServiceObserver* observer) {
782 model_observers_.AddObserver(observer);
785 void TemplateURLService::RemoveObserver(TemplateURLServiceObserver* observer) {
786 model_observers_.RemoveObserver(observer);
789 void TemplateURLService::Load() {
790 if (loaded_ || load_handle_)
793 if (!service_.get()) {
794 service_ = WebDataService::FromBrowserContext(profile_);
797 if (service_.get()) {
798 load_handle_ = service_->GetKeywords(this);
800 ChangeToLoadedState();
801 on_loaded_callbacks_.Notify();
805 scoped_ptr<TemplateURLService::Subscription>
806 TemplateURLService::RegisterOnLoadedCallback(
807 const base::Closure& callback) {
809 scoped_ptr<TemplateURLService::Subscription>() :
810 on_loaded_callbacks_.Add(callback);
813 void TemplateURLService::OnWebDataServiceRequestDone(
814 WebDataService::Handle h,
815 const WDTypedResult* result) {
816 // Reset the load_handle so that we don't try and cancel the load in
821 // Results are null if the database went away or (most likely) wasn't
824 ChangeToLoadedState();
825 on_loaded_callbacks_.Notify();
829 // initial_default_search_provider_ is only needed before we've finished
830 // loading. Now that we've loaded we can nuke it.
831 initial_default_search_provider_.reset();
833 TemplateURLVector template_urls;
834 TemplateURL* default_search_provider = NULL;
835 int new_resource_keyword_version = 0;
836 GetSearchProvidersUsingKeywordResult(*result, service_.get(), profile_,
837 &template_urls, &default_search_provider, &new_resource_keyword_version,
840 AddTemplateURLsAndSetupDefaultEngine(&template_urls, default_search_provider);
842 // This initializes provider_map_ which should be done before
843 // calling UpdateKeywordSearchTermsForURL.
844 ChangeToLoadedState();
846 // Index any visits that occurred before we finished loading.
847 for (size_t i = 0; i < visits_to_add_.size(); ++i)
848 UpdateKeywordSearchTermsForURL(visits_to_add_[i]);
849 visits_to_add_.clear();
851 if (new_resource_keyword_version)
852 service_->SetBuiltinKeywordVersion(new_resource_keyword_version);
854 EnsureDefaultSearchProviderExists();
857 on_loaded_callbacks_.Notify();
860 base::string16 TemplateURLService::GetKeywordShortName(
861 const base::string16& keyword,
862 bool* is_omnibox_api_extension_keyword) {
863 const TemplateURL* template_url = GetTemplateURLForKeyword(keyword);
865 // TODO(sky): Once LocationBarView adds a listener to the TemplateURLService
866 // to track changes to the model, this should become a DCHECK.
868 *is_omnibox_api_extension_keyword =
869 template_url->GetType() == TemplateURL::OMNIBOX_API_EXTENSION;
870 return template_url->AdjustedShortNameForLocaleDirection();
872 *is_omnibox_api_extension_keyword = false;
873 return base::string16();
876 void TemplateURLService::Observe(int type,
877 const content::NotificationSource& source,
878 const content::NotificationDetails& details) {
879 if (type == chrome::NOTIFICATION_HISTORY_URL_VISITED) {
880 content::Details<history::URLVisitedDetails> visit_details(details);
882 visits_to_add_.push_back(*visit_details.ptr());
884 UpdateKeywordSearchTermsForURL(*visit_details.ptr());
885 } else if (type == chrome::NOTIFICATION_DEFAULT_SEARCH_POLICY_CHANGED) {
886 // Policy has been updated, so the default search prefs may be different.
887 // Reload the default search provider from them.
888 // TODO(pkasting): Rather than communicating via prefs, we should eventually
889 // observe policy changes directly.
890 UpdateDefaultSearch();
891 } else if (type == chrome::NOTIFICATION_GOOGLE_URL_UPDATED) {
893 GoogleBaseURLChanged(
894 content::Details<GoogleURLTracker::UpdatedDetails>(details)->first);
901 void TemplateURLService::Shutdown() {
902 // This check has to be done at Shutdown() instead of in the dtor to ensure
903 // that no clients of WebDataService are holding ptrs to it after the first
904 // phase of the KeyedService Shutdown() process.
906 DCHECK(service_.get());
907 service_->CancelRequest(load_handle_);
912 void TemplateURLService::OnSyncedDefaultSearchProviderGUIDChanged() {
913 // Listen for changes to the default search from Sync.
914 PrefService* prefs = GetPrefs();
915 TemplateURL* new_default_search = GetTemplateURLForGUID(
916 prefs->GetString(prefs::kSyncedDefaultSearchProviderGUID));
917 if (new_default_search && !is_default_search_managed_) {
918 if (new_default_search != GetDefaultSearchProvider()) {
919 base::AutoReset<DefaultSearchChangeOrigin> change_origin(
920 &dsp_change_origin_, DSP_CHANGE_SYNC_PREF);
921 SetDefaultSearchProvider(new_default_search);
922 pending_synced_default_search_ = false;
925 // If it's not there, or if default search is currently managed, set a
926 // flag to indicate that we waiting on the search engine entry to come
928 pending_synced_default_search_ = true;
930 UpdateDefaultSearch();
933 syncer::SyncDataList TemplateURLService::GetAllSyncData(
934 syncer::ModelType type) const {
935 DCHECK_EQ(syncer::SEARCH_ENGINES, type);
937 syncer::SyncDataList current_data;
938 for (TemplateURLVector::const_iterator iter = template_urls_.begin();
939 iter != template_urls_.end(); ++iter) {
940 // We don't sync keywords managed by policy.
941 if ((*iter)->created_by_policy())
943 // We don't sync extension-controlled search engines.
944 if ((*iter)->GetType() == TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION)
946 current_data.push_back(CreateSyncDataFromTemplateURL(**iter));
952 syncer::SyncError TemplateURLService::ProcessSyncChanges(
953 const tracked_objects::Location& from_here,
954 const syncer::SyncChangeList& change_list) {
955 if (!models_associated_) {
956 syncer::SyncError error(FROM_HERE,
957 syncer::SyncError::DATATYPE_ERROR,
958 "Models not yet associated.",
959 syncer::SEARCH_ENGINES);
964 base::AutoReset<bool> processing_changes(&processing_syncer_changes_, true);
966 // We've started syncing, so set our origin member to the base Sync value.
967 // As we move through Sync Code, we may set this to increasingly specific
968 // origins so we can tell what exactly caused a DSP change.
969 base::AutoReset<DefaultSearchChangeOrigin> change_origin(&dsp_change_origin_,
970 DSP_CHANGE_SYNC_UNINTENTIONAL);
972 syncer::SyncChangeList new_changes;
973 syncer::SyncError error;
974 for (syncer::SyncChangeList::const_iterator iter = change_list.begin();
975 iter != change_list.end(); ++iter) {
976 DCHECK_EQ(syncer::SEARCH_ENGINES, iter->sync_data().GetDataType());
979 iter->sync_data().GetSpecifics().search_engine().sync_guid();
980 TemplateURL* existing_turl = GetTemplateURLForGUID(guid);
981 scoped_ptr<TemplateURL> turl(CreateTemplateURLFromTemplateURLAndSyncData(
982 profile_, existing_turl, iter->sync_data(), &new_changes));
986 // Explicitly don't check for conflicts against extension keywords; in this
987 // case the functions which modify the keyword map know how to handle the
989 // TODO(mpcomplete): If we allow editing extension keywords, then those will
990 // need to undergo conflict resolution.
991 TemplateURL* existing_keyword_turl =
992 FindNonExtensionTemplateURLForKeyword(turl->keyword());
993 if (iter->change_type() == syncer::SyncChange::ACTION_DELETE) {
994 if (!existing_turl) {
995 NOTREACHED() << "Unexpected sync change state.";
996 error = sync_error_factory_->CreateAndUploadError(
998 "ProcessSyncChanges failed on ChangeType ACTION_DELETE");
999 LOG(ERROR) << "Trying to delete a non-existent TemplateURL.";
1002 if (existing_turl == GetDefaultSearchProvider()) {
1003 // The only way Sync can attempt to delete the default search provider
1004 // is if we had changed the kSyncedDefaultSearchProviderGUID
1005 // preference, but perhaps it has not yet been received. To avoid
1006 // situations where this has come in erroneously, we will un-delete
1007 // the current default search from the Sync data. If the pref really
1008 // does arrive later, then default search will change to the correct
1009 // entry, but we'll have this extra entry sitting around. The result is
1010 // not ideal, but it prevents a far more severe bug where the default is
1011 // unexpectedly swapped to something else. The user can safely delete
1012 // the extra entry again later, if they choose. Most users who do not
1013 // look at the search engines UI will not notice this.
1014 // Note that we append a special character to the end of the keyword in
1015 // an attempt to avoid a ping-poinging situation where receiving clients
1016 // may try to continually delete the resurrected entry.
1017 base::string16 updated_keyword = UniquifyKeyword(*existing_turl, true);
1018 TemplateURLData data(existing_turl->data());
1019 data.SetKeyword(updated_keyword);
1020 TemplateURL new_turl(existing_turl->profile(), data);
1021 UIThreadSearchTermsData search_terms_data(existing_turl->profile());
1022 if (UpdateNoNotify(existing_turl, new_turl, search_terms_data))
1025 syncer::SyncData sync_data = CreateSyncDataFromTemplateURL(new_turl);
1026 new_changes.push_back(syncer::SyncChange(FROM_HERE,
1027 syncer::SyncChange::ACTION_ADD,
1029 // Ignore the delete attempt. This means we never end up reseting the
1030 // default search provider due to an ACTION_DELETE from sync.
1034 Remove(existing_turl);
1035 } else if (iter->change_type() == syncer::SyncChange::ACTION_ADD) {
1036 if (existing_turl) {
1037 NOTREACHED() << "Unexpected sync change state.";
1038 error = sync_error_factory_->CreateAndUploadError(
1040 "ProcessSyncChanges failed on ChangeType ACTION_ADD");
1041 LOG(ERROR) << "Trying to add an existing TemplateURL.";
1044 const std::string guid = turl->sync_guid();
1045 if (existing_keyword_turl) {
1046 // Resolve any conflicts so we can safely add the new entry.
1047 ResolveSyncKeywordConflict(turl.get(), existing_keyword_turl,
1050 // Force the local ID to kInvalidTemplateURLID so we can add it.
1051 TemplateURLData data(turl->data());
1052 data.id = kInvalidTemplateURLID;
1053 Add(new TemplateURL(profile_, data));
1055 // Possibly set the newly added |turl| as the default search provider.
1056 SetDefaultSearchProviderIfNewlySynced(guid);
1057 } else if (iter->change_type() == syncer::SyncChange::ACTION_UPDATE) {
1058 if (!existing_turl) {
1059 NOTREACHED() << "Unexpected sync change state.";
1060 error = sync_error_factory_->CreateAndUploadError(
1062 "ProcessSyncChanges failed on ChangeType ACTION_UPDATE");
1063 LOG(ERROR) << "Trying to update a non-existent TemplateURL.";
1066 if (existing_keyword_turl && (existing_keyword_turl != existing_turl)) {
1067 // Resolve any conflicts with other entries so we can safely update the
1069 ResolveSyncKeywordConflict(turl.get(), existing_keyword_turl,
1072 UIThreadSearchTermsData search_terms_data(existing_turl->profile());
1073 if (UpdateNoNotify(existing_turl, *turl, search_terms_data))
1076 // We've unexpectedly received an ACTION_INVALID.
1077 NOTREACHED() << "Unexpected sync change state.";
1078 error = sync_error_factory_->CreateAndUploadError(
1080 "ProcessSyncChanges received an ACTION_INVALID");
1084 // If something went wrong, we want to prematurely exit to avoid pushing
1085 // inconsistent data to Sync. We return the last error we received.
1089 error = sync_processor_->ProcessSyncChanges(from_here, new_changes);
1094 syncer::SyncMergeResult TemplateURLService::MergeDataAndStartSyncing(
1095 syncer::ModelType type,
1096 const syncer::SyncDataList& initial_sync_data,
1097 scoped_ptr<syncer::SyncChangeProcessor> sync_processor,
1098 scoped_ptr<syncer::SyncErrorFactory> sync_error_factory) {
1100 DCHECK_EQ(type, syncer::SEARCH_ENGINES);
1101 DCHECK(!sync_processor_.get());
1102 DCHECK(sync_processor.get());
1103 DCHECK(sync_error_factory.get());
1104 syncer::SyncMergeResult merge_result(type);
1105 sync_processor_ = sync_processor.Pass();
1106 sync_error_factory_ = sync_error_factory.Pass();
1108 // We just started syncing, so set our wait-for-default flag if we are
1109 // expecting a default from Sync.
1111 std::string default_guid = GetPrefs()->GetString(
1112 prefs::kSyncedDefaultSearchProviderGUID);
1113 const TemplateURL* current_default = GetDefaultSearchProvider();
1115 if (!default_guid.empty() &&
1116 (!current_default || current_default->sync_guid() != default_guid))
1117 pending_synced_default_search_ = true;
1120 // We do a lot of calls to Add/Remove/ResetTemplateURL here, so ensure we
1121 // don't step on our own toes.
1122 base::AutoReset<bool> processing_changes(&processing_syncer_changes_, true);
1124 // We've started syncing, so set our origin member to the base Sync value.
1125 // As we move through Sync Code, we may set this to increasingly specific
1126 // origins so we can tell what exactly caused a DSP change.
1127 base::AutoReset<DefaultSearchChangeOrigin> change_origin(&dsp_change_origin_,
1128 DSP_CHANGE_SYNC_UNINTENTIONAL);
1130 syncer::SyncChangeList new_changes;
1132 // Build maps of our sync GUIDs to syncer::SyncData.
1133 SyncDataMap local_data_map = CreateGUIDToSyncDataMap(
1134 GetAllSyncData(syncer::SEARCH_ENGINES));
1135 SyncDataMap sync_data_map = CreateGUIDToSyncDataMap(initial_sync_data);
1137 merge_result.set_num_items_before_association(local_data_map.size());
1138 for (SyncDataMap::const_iterator iter = sync_data_map.begin();
1139 iter != sync_data_map.end(); ++iter) {
1140 TemplateURL* local_turl = GetTemplateURLForGUID(iter->first);
1141 scoped_ptr<TemplateURL> sync_turl(
1142 CreateTemplateURLFromTemplateURLAndSyncData(profile_, local_turl,
1143 iter->second, &new_changes));
1144 if (!sync_turl.get())
1147 if (pre_sync_deletes_.find(sync_turl->sync_guid()) !=
1148 pre_sync_deletes_.end()) {
1149 // This entry was deleted before the initial sync began (possibly through
1150 // preprocessing in TemplateURLService's loading code). Ignore it and send
1151 // an ACTION_DELETE up to the server.
1152 new_changes.push_back(
1153 syncer::SyncChange(FROM_HERE,
1154 syncer::SyncChange::ACTION_DELETE,
1156 UMA_HISTOGRAM_ENUMERATION(kDeleteSyncedEngineHistogramName,
1157 DELETE_ENGINE_PRE_SYNC, DELETE_ENGINE_MAX);
1162 DCHECK(IsFromSync(local_turl, sync_data_map));
1163 // This local search engine is already synced. If the timestamp differs
1164 // from Sync, we need to update locally or to the cloud. Note that if the
1165 // timestamps are equal, we touch neither.
1166 if (sync_turl->last_modified() > local_turl->last_modified()) {
1167 // We've received an update from Sync. We should replace all synced
1168 // fields in the local TemplateURL. Note that this includes the
1169 // TemplateURLID and the TemplateURL may have to be reparsed. This
1170 // also makes the local data's last_modified timestamp equal to Sync's,
1171 // avoiding an Update on the next MergeData call.
1172 UIThreadSearchTermsData search_terms_data(local_turl->profile());
1173 if (UpdateNoNotify(local_turl, *sync_turl, search_terms_data))
1175 merge_result.set_num_items_modified(
1176 merge_result.num_items_modified() + 1);
1177 } else if (sync_turl->last_modified() < local_turl->last_modified()) {
1178 // Otherwise, we know we have newer data, so update Sync with our
1180 new_changes.push_back(
1181 syncer::SyncChange(FROM_HERE,
1182 syncer::SyncChange::ACTION_UPDATE,
1183 local_data_map[local_turl->sync_guid()]));
1185 local_data_map.erase(iter->first);
1187 // The search engine from the cloud has not been synced locally. Merge it
1188 // into our local model. This will handle any conflicts with local (and
1189 // already-synced) TemplateURLs. It will prefer to keep entries from Sync
1190 // over not-yet-synced TemplateURLs.
1191 MergeInSyncTemplateURL(sync_turl.get(), sync_data_map, &new_changes,
1192 &local_data_map, &merge_result);
1196 // If there is a pending synced default search provider that was processed
1197 // above, set it now.
1198 TemplateURL* pending_default = GetPendingSyncedDefaultSearchProvider();
1199 if (pending_default) {
1200 base::AutoReset<DefaultSearchChangeOrigin> change_origin(
1201 &dsp_change_origin_, DSP_CHANGE_SYNC_ADD);
1202 SetDefaultSearchProvider(pending_default);
1205 // The remaining SyncData in local_data_map should be everything that needs to
1206 // be pushed as ADDs to sync.
1207 for (SyncDataMap::const_iterator iter = local_data_map.begin();
1208 iter != local_data_map.end(); ++iter) {
1209 new_changes.push_back(
1210 syncer::SyncChange(FROM_HERE,
1211 syncer::SyncChange::ACTION_ADD,
1215 // Do some post-processing on the change list to ensure that we are sending
1216 // valid changes to sync_processor_.
1217 PruneSyncChanges(&sync_data_map, &new_changes);
1219 LogDuplicatesHistogram(GetTemplateURLs());
1220 merge_result.set_num_items_after_association(
1221 GetAllSyncData(syncer::SEARCH_ENGINES).size());
1222 merge_result.set_error(
1223 sync_processor_->ProcessSyncChanges(FROM_HERE, new_changes));
1224 if (merge_result.error().IsSet())
1225 return merge_result;
1227 // The ACTION_DELETEs from this set are processed. Empty it so we don't try to
1228 // reuse them on the next call to MergeDataAndStartSyncing.
1229 pre_sync_deletes_.clear();
1231 models_associated_ = true;
1232 return merge_result;
1235 void TemplateURLService::StopSyncing(syncer::ModelType type) {
1236 DCHECK_EQ(type, syncer::SEARCH_ENGINES);
1237 models_associated_ = false;
1238 sync_processor_.reset();
1239 sync_error_factory_.reset();
1242 void TemplateURLService::ProcessTemplateURLChange(
1243 const tracked_objects::Location& from_here,
1244 const TemplateURL* turl,
1245 syncer::SyncChange::SyncChangeType type) {
1246 DCHECK_NE(type, syncer::SyncChange::ACTION_INVALID);
1249 if (!models_associated_)
1250 return; // Not syncing.
1252 if (processing_syncer_changes_)
1253 return; // These are changes originating from us. Ignore.
1255 // Avoid syncing keywords managed by policy.
1256 if (turl->created_by_policy())
1259 // Avoid syncing extension-controlled search engines.
1260 if (turl->GetType() == TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION)
1263 syncer::SyncChangeList changes;
1265 syncer::SyncData sync_data = CreateSyncDataFromTemplateURL(*turl);
1266 changes.push_back(syncer::SyncChange(from_here,
1270 sync_processor_->ProcessSyncChanges(FROM_HERE, changes);
1274 syncer::SyncData TemplateURLService::CreateSyncDataFromTemplateURL(
1275 const TemplateURL& turl) {
1276 sync_pb::EntitySpecifics specifics;
1277 sync_pb::SearchEngineSpecifics* se_specifics =
1278 specifics.mutable_search_engine();
1279 se_specifics->set_short_name(base::UTF16ToUTF8(turl.short_name()));
1280 se_specifics->set_keyword(base::UTF16ToUTF8(turl.keyword()));
1281 se_specifics->set_favicon_url(turl.favicon_url().spec());
1282 se_specifics->set_url(turl.url());
1283 se_specifics->set_safe_for_autoreplace(turl.safe_for_autoreplace());
1284 se_specifics->set_originating_url(turl.originating_url().spec());
1285 se_specifics->set_date_created(turl.date_created().ToInternalValue());
1286 se_specifics->set_input_encodings(JoinString(turl.input_encodings(), ';'));
1287 se_specifics->set_show_in_default_list(turl.show_in_default_list());
1288 se_specifics->set_suggestions_url(turl.suggestions_url());
1289 se_specifics->set_prepopulate_id(turl.prepopulate_id());
1290 se_specifics->set_instant_url(turl.instant_url());
1291 if (!turl.image_url().empty())
1292 se_specifics->set_image_url(turl.image_url());
1293 se_specifics->set_new_tab_url(turl.new_tab_url());
1294 if (!turl.search_url_post_params().empty())
1295 se_specifics->set_search_url_post_params(turl.search_url_post_params());
1296 if (!turl.suggestions_url_post_params().empty()) {
1297 se_specifics->set_suggestions_url_post_params(
1298 turl.suggestions_url_post_params());
1300 if (!turl.instant_url_post_params().empty())
1301 se_specifics->set_instant_url_post_params(turl.instant_url_post_params());
1302 if (!turl.image_url_post_params().empty())
1303 se_specifics->set_image_url_post_params(turl.image_url_post_params());
1304 se_specifics->set_last_modified(turl.last_modified().ToInternalValue());
1305 se_specifics->set_sync_guid(turl.sync_guid());
1306 for (size_t i = 0; i < turl.alternate_urls().size(); ++i)
1307 se_specifics->add_alternate_urls(turl.alternate_urls()[i]);
1308 se_specifics->set_search_terms_replacement_key(
1309 turl.search_terms_replacement_key());
1311 return syncer::SyncData::CreateLocalData(se_specifics->sync_guid(),
1312 se_specifics->keyword(),
1317 TemplateURL* TemplateURLService::CreateTemplateURLFromTemplateURLAndSyncData(
1319 TemplateURL* existing_turl,
1320 const syncer::SyncData& sync_data,
1321 syncer::SyncChangeList* change_list) {
1322 DCHECK(change_list);
1324 sync_pb::SearchEngineSpecifics specifics =
1325 sync_data.GetSpecifics().search_engine();
1327 // Past bugs might have caused either of these fields to be empty. Just
1328 // delete this data off the server.
1329 if (specifics.url().empty() || specifics.sync_guid().empty()) {
1330 change_list->push_back(
1331 syncer::SyncChange(FROM_HERE,
1332 syncer::SyncChange::ACTION_DELETE,
1334 UMA_HISTOGRAM_ENUMERATION(kDeleteSyncedEngineHistogramName,
1335 DELETE_ENGINE_EMPTY_FIELD, DELETE_ENGINE_MAX);
1339 TemplateURLData data(existing_turl ?
1340 existing_turl->data() : TemplateURLData());
1341 data.short_name = base::UTF8ToUTF16(specifics.short_name());
1342 data.originating_url = GURL(specifics.originating_url());
1343 base::string16 keyword(base::UTF8ToUTF16(specifics.keyword()));
1344 // NOTE: Once this code has shipped in a couple of stable releases, we can
1345 // probably remove the migration portion, comment out the
1346 // "autogenerate_keyword" field entirely in the .proto file, and fold the
1347 // empty keyword case into the "delete data" block above.
1348 bool reset_keyword =
1349 specifics.autogenerate_keyword() || specifics.keyword().empty();
1351 keyword = base::ASCIIToUTF16("dummy"); // Will be replaced below.
1352 DCHECK(!keyword.empty());
1353 data.SetKeyword(keyword);
1354 data.SetURL(specifics.url());
1355 data.suggestions_url = specifics.suggestions_url();
1356 data.instant_url = specifics.instant_url();
1357 data.image_url = specifics.image_url();
1358 data.new_tab_url = specifics.new_tab_url();
1359 data.search_url_post_params = specifics.search_url_post_params();
1360 data.suggestions_url_post_params = specifics.suggestions_url_post_params();
1361 data.instant_url_post_params = specifics.instant_url_post_params();
1362 data.image_url_post_params = specifics.image_url_post_params();
1363 data.favicon_url = GURL(specifics.favicon_url());
1364 data.show_in_default_list = specifics.show_in_default_list();
1365 data.safe_for_autoreplace = specifics.safe_for_autoreplace();
1366 base::SplitString(specifics.input_encodings(), ';', &data.input_encodings);
1367 // If the server data has duplicate encodings, we'll want to push an update
1368 // below to correct it. Note that we also fix this in
1369 // GetSearchProvidersUsingKeywordResult(), since otherwise we'd never correct
1370 // local problems for clients which have disabled search engine sync.
1371 bool deduped = DeDupeEncodings(&data.input_encodings);
1372 data.date_created = base::Time::FromInternalValue(specifics.date_created());
1373 data.last_modified = base::Time::FromInternalValue(specifics.last_modified());
1374 data.prepopulate_id = specifics.prepopulate_id();
1375 data.sync_guid = specifics.sync_guid();
1376 data.alternate_urls.clear();
1377 for (int i = 0; i < specifics.alternate_urls_size(); ++i)
1378 data.alternate_urls.push_back(specifics.alternate_urls(i));
1379 data.search_terms_replacement_key = specifics.search_terms_replacement_key();
1381 TemplateURL* turl = new TemplateURL(profile, data);
1382 // If this TemplateURL matches a built-in prepopulated template URL, it's
1383 // possible that sync is trying to modify fields that should not be touched.
1384 // Revert these fields to the built-in values.
1385 UpdateTemplateURLIfPrepopulated(turl, profile);
1386 DCHECK_NE(TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION, turl->GetType());
1387 if (reset_keyword || deduped) {
1389 turl->ResetKeywordIfNecessary(true);
1390 syncer::SyncData sync_data = CreateSyncDataFromTemplateURL(*turl);
1391 change_list->push_back(syncer::SyncChange(FROM_HERE,
1392 syncer::SyncChange::ACTION_UPDATE,
1394 } else if (turl->IsGoogleSearchURLWithReplaceableKeyword()) {
1395 if (!existing_turl) {
1396 // We're adding a new TemplateURL that uses the Google base URL, so set
1397 // its keyword appropriately for the local environment.
1398 turl->ResetKeywordIfNecessary(false);
1399 } else if (existing_turl->IsGoogleSearchURLWithReplaceableKeyword()) {
1400 // Ignore keyword changes triggered by the Google base URL changing on
1401 // another client. If the base URL changes in this client as well, we'll
1402 // pick that up separately at the appropriate time. Otherwise, changing
1403 // the keyword here could result in having the wrong keyword for the local
1405 turl->data_.SetKeyword(existing_turl->keyword());
1413 SyncDataMap TemplateURLService::CreateGUIDToSyncDataMap(
1414 const syncer::SyncDataList& sync_data) {
1415 SyncDataMap data_map;
1416 for (syncer::SyncDataList::const_iterator i(sync_data.begin());
1417 i != sync_data.end();
1419 data_map[i->GetSpecifics().search_engine().sync_guid()] = *i;
1423 void TemplateURLService::SetKeywordSearchTermsForURL(
1424 const TemplateURL* t_url,
1426 const base::string16& term) {
1427 HistoryService* history = profile_ ?
1428 HistoryServiceFactory::GetForProfile(profile_,
1429 Profile::EXPLICIT_ACCESS) :
1433 history->SetKeywordSearchTermsForURL(url, t_url->id(), term);
1436 void TemplateURLService::Init(const Initializer* initializers,
1437 int num_initializers) {
1438 // Register for notifications.
1440 // TODO(sky): bug 1166191. The keywords should be moved into the history
1441 // db, which will mean we no longer need this notification and the history
1442 // backend can handle automatically adding the search terms as the user
1444 content::Source<Profile> profile_source(profile_->GetOriginalProfile());
1445 notification_registrar_.Add(this, chrome::NOTIFICATION_HISTORY_URL_VISITED,
1447 notification_registrar_.Add(this, chrome::NOTIFICATION_GOOGLE_URL_UPDATED,
1449 pref_change_registrar_.Init(GetPrefs());
1450 pref_change_registrar_.Add(
1451 prefs::kSyncedDefaultSearchProviderGUID,
1453 &TemplateURLService::OnSyncedDefaultSearchProviderGUIDChanged,
1454 base::Unretained(this)));
1456 notification_registrar_.Add(this,
1457 chrome::NOTIFICATION_DEFAULT_SEARCH_POLICY_CHANGED,
1458 content::NotificationService::AllSources());
1460 if (num_initializers > 0) {
1461 // This path is only hit by test code and is used to simulate a loaded
1462 // TemplateURLService.
1463 ChangeToLoadedState();
1465 // Add specific initializers, if any.
1466 for (int i(0); i < num_initializers; ++i) {
1467 DCHECK(initializers[i].keyword);
1468 DCHECK(initializers[i].url);
1469 DCHECK(initializers[i].content);
1471 // TemplateURLService ends up owning the TemplateURL, don't try and free
1473 TemplateURLData data;
1474 data.short_name = base::UTF8ToUTF16(initializers[i].content);
1475 data.SetKeyword(base::UTF8ToUTF16(initializers[i].keyword));
1476 data.SetURL(initializers[i].url);
1477 TemplateURL* template_url = new TemplateURL(profile_, data);
1478 AddNoNotify(template_url, true);
1480 // Set the first provided identifier to be the default.
1482 SetDefaultSearchProviderNoNotify(template_url);
1486 // Initialize default search.
1487 UpdateDefaultSearch();
1489 // Request a server check for the correct Google URL if Google is the
1490 // default search engine and not in headless mode.
1491 if (profile_ && initial_default_search_provider_.get() &&
1492 initial_default_search_provider_->url_ref().HasGoogleBaseURLs()) {
1493 scoped_ptr<base::Environment> env(base::Environment::Create());
1494 if (!env->HasVar(env_vars::kHeadless))
1495 GoogleURLTracker::RequestServerCheck(profile_, false);
1499 void TemplateURLService::RemoveFromMaps(TemplateURL* template_url) {
1500 const base::string16& keyword = template_url->keyword();
1501 DCHECK_NE(0U, keyword_to_template_map_.count(keyword));
1502 if (keyword_to_template_map_[keyword] == template_url) {
1503 // We need to check whether the keyword can now be provided by another
1504 // TemplateURL. See the comments in AddToMaps() for more information on
1505 // extension keywords and how they can coexist with non-extension keywords.
1506 // In the case of more than one extension, we use the most recently
1507 // installed (which will be the most recently added, which will have the
1509 TemplateURL* best_fallback = NULL;
1510 for (TemplateURLVector::const_iterator i(template_urls_.begin());
1511 i != template_urls_.end(); ++i) {
1512 TemplateURL* turl = *i;
1513 // This next statement relies on the fact that there can only be one
1514 // non-Omnibox API TemplateURL with a given keyword.
1515 if ((turl != template_url) && (turl->keyword() == keyword) &&
1517 (best_fallback->GetType() != TemplateURL::OMNIBOX_API_EXTENSION) ||
1518 ((turl->GetType() == TemplateURL::OMNIBOX_API_EXTENSION) &&
1519 (turl->id() > best_fallback->id()))))
1520 best_fallback = turl;
1523 keyword_to_template_map_[keyword] = best_fallback;
1525 keyword_to_template_map_.erase(keyword);
1528 if (!template_url->sync_guid().empty())
1529 guid_to_template_map_.erase(template_url->sync_guid());
1531 UIThreadSearchTermsData search_terms_data(template_url->profile());
1532 provider_map_->Remove(template_url, search_terms_data);
1536 void TemplateURLService::AddToMaps(TemplateURL* template_url) {
1537 bool template_url_is_omnibox_api =
1538 template_url->GetType() == TemplateURL::OMNIBOX_API_EXTENSION;
1539 const base::string16& keyword = template_url->keyword();
1540 KeywordToTemplateMap::const_iterator i =
1541 keyword_to_template_map_.find(keyword);
1542 if (i == keyword_to_template_map_.end()) {
1543 keyword_to_template_map_[keyword] = template_url;
1545 const TemplateURL* existing_url = i->second;
1546 // We should only have overlapping keywords when at least one comes from
1547 // an extension. In that case, the ranking order is:
1548 // Manually-modified keywords > extension keywords > replaceable keywords
1549 // When there are multiple extensions, the last-added wins.
1550 bool existing_url_is_omnibox_api =
1551 existing_url->GetType() == TemplateURL::OMNIBOX_API_EXTENSION;
1552 DCHECK(existing_url_is_omnibox_api || template_url_is_omnibox_api);
1553 if (existing_url_is_omnibox_api ?
1554 !CanReplace(template_url) : CanReplace(existing_url))
1555 keyword_to_template_map_[keyword] = template_url;
1558 if (!template_url->sync_guid().empty())
1559 guid_to_template_map_[template_url->sync_guid()] = template_url;
1561 UIThreadSearchTermsData search_terms_data(profile_);
1562 provider_map_->Add(template_url, search_terms_data);
1566 // Helper for partition() call in next function.
1567 bool HasValidID(TemplateURL* t_url) {
1568 return t_url->id() != kInvalidTemplateURLID;
1571 void TemplateURLService::SetTemplateURLs(TemplateURLVector* urls) {
1572 // Partition the URLs first, instead of implementing the loops below by simply
1573 // scanning the input twice. While it's not supposed to happen normally, it's
1574 // possible for corrupt databases to return multiple entries with the same
1575 // keyword. In this case, the first loop may delete the first entry when
1576 // adding the second. If this happens, the second loop must not attempt to
1577 // access the deleted entry. Partitioning ensures this constraint.
1578 TemplateURLVector::iterator first_invalid(
1579 std::partition(urls->begin(), urls->end(), HasValidID));
1581 // First, add the items that already have id's, so that the next_id_ gets
1583 for (TemplateURLVector::const_iterator i = urls->begin(); i != first_invalid;
1585 next_id_ = std::max(next_id_, (*i)->id());
1586 AddNoNotify(*i, false);
1589 // Next add the new items that don't have id's.
1590 for (TemplateURLVector::const_iterator i = first_invalid; i != urls->end();
1592 AddNoNotify(*i, true);
1594 // Clear the input vector to reduce the chance callers will try to use a
1595 // (possibly deleted) entry.
1599 void TemplateURLService::ChangeToLoadedState() {
1602 UIThreadSearchTermsData search_terms_data(profile_);
1603 provider_map_->Init(template_urls_, search_terms_data);
1607 void TemplateURLService::SaveDefaultSearchProviderToPrefs(
1608 const TemplateURL* t_url) {
1609 PrefService* prefs = GetPrefs();
1613 bool enabled = false;
1614 std::string search_url;
1615 std::string suggest_url;
1616 std::string instant_url;
1617 std::string image_url;
1618 std::string new_tab_url;
1619 std::string search_url_post_params;
1620 std::string suggest_url_post_params;
1621 std::string instant_url_post_params;
1622 std::string image_url_post_params;
1623 std::string icon_url;
1624 std::string encodings;
1625 std::string short_name;
1626 std::string keyword;
1627 std::string id_string;
1628 std::string prepopulate_id;
1629 base::ListValue alternate_urls;
1630 std::string search_terms_replacement_key;
1632 DCHECK_EQ(TemplateURL::NORMAL, t_url->GetType());
1634 search_url = t_url->url();
1635 suggest_url = t_url->suggestions_url();
1636 instant_url = t_url->instant_url();
1637 image_url = t_url->image_url();
1638 new_tab_url = t_url->new_tab_url();
1639 search_url_post_params = t_url->search_url_post_params();
1640 suggest_url_post_params = t_url->suggestions_url_post_params();
1641 instant_url_post_params = t_url->instant_url_post_params();
1642 image_url_post_params = t_url->image_url_post_params();
1643 GURL icon_gurl = t_url->favicon_url();
1644 if (!icon_gurl.is_empty())
1645 icon_url = icon_gurl.spec();
1646 encodings = JoinString(t_url->input_encodings(), ';');
1647 short_name = base::UTF16ToUTF8(t_url->short_name());
1648 keyword = base::UTF16ToUTF8(t_url->keyword());
1649 id_string = base::Int64ToString(t_url->id());
1650 prepopulate_id = base::Int64ToString(t_url->prepopulate_id());
1651 for (size_t i = 0; i < t_url->alternate_urls().size(); ++i)
1652 alternate_urls.AppendString(t_url->alternate_urls()[i]);
1653 search_terms_replacement_key = t_url->search_terms_replacement_key();
1655 prefs->SetBoolean(prefs::kDefaultSearchProviderEnabled, enabled);
1656 prefs->SetString(prefs::kDefaultSearchProviderSearchURL, search_url);
1657 prefs->SetString(prefs::kDefaultSearchProviderSuggestURL, suggest_url);
1658 prefs->SetString(prefs::kDefaultSearchProviderInstantURL, instant_url);
1659 prefs->SetString(prefs::kDefaultSearchProviderImageURL, image_url);
1660 prefs->SetString(prefs::kDefaultSearchProviderNewTabURL, new_tab_url);
1661 prefs->SetString(prefs::kDefaultSearchProviderSearchURLPostParams,
1662 search_url_post_params);
1663 prefs->SetString(prefs::kDefaultSearchProviderSuggestURLPostParams,
1664 suggest_url_post_params);
1665 prefs->SetString(prefs::kDefaultSearchProviderInstantURLPostParams,
1666 instant_url_post_params);
1667 prefs->SetString(prefs::kDefaultSearchProviderImageURLPostParams,
1668 image_url_post_params);
1669 prefs->SetString(prefs::kDefaultSearchProviderIconURL, icon_url);
1670 prefs->SetString(prefs::kDefaultSearchProviderEncodings, encodings);
1671 prefs->SetString(prefs::kDefaultSearchProviderName, short_name);
1672 prefs->SetString(prefs::kDefaultSearchProviderKeyword, keyword);
1673 prefs->SetString(prefs::kDefaultSearchProviderID, id_string);
1674 prefs->SetString(prefs::kDefaultSearchProviderPrepopulateID, prepopulate_id);
1675 prefs->Set(prefs::kDefaultSearchProviderAlternateURLs, alternate_urls);
1676 prefs->SetString(prefs::kDefaultSearchProviderSearchTermsReplacementKey,
1677 search_terms_replacement_key);
1680 bool TemplateURLService::LoadDefaultSearchProviderFromPrefs(
1681 scoped_ptr<TemplateURL>* default_provider,
1683 PrefService* prefs = GetPrefs();
1684 if (!prefs || !prefs->HasPrefPath(prefs::kDefaultSearchProviderSearchURL))
1687 const PrefService::Preference* pref =
1688 prefs->FindPreference(prefs::kDefaultSearchProviderSearchURL);
1689 *is_managed = pref && pref->IsManaged();
1691 if (!prefs->GetBoolean(prefs::kDefaultSearchProviderEnabled)) {
1692 // The user doesn't want a default search provider.
1693 default_provider->reset(NULL);
1697 base::string16 name =
1698 base::UTF8ToUTF16(prefs->GetString(prefs::kDefaultSearchProviderName));
1699 base::string16 keyword =
1700 base::UTF8ToUTF16(prefs->GetString(prefs::kDefaultSearchProviderKeyword));
1701 // Force keyword to be non-empty.
1702 // TODO(pkasting): This is only necessary as long as we're potentially loading
1703 // older prefs where empty keywords are theoretically possible. Eventually
1704 // this code can be replaced with a DCHECK(!keyword.empty());.
1705 bool update_keyword = keyword.empty();
1707 keyword = base::ASCIIToUTF16("dummy");
1708 std::string search_url =
1709 prefs->GetString(prefs::kDefaultSearchProviderSearchURL);
1710 // Force URL to be non-empty. We've never supported this case, but past bugs
1711 // might have resulted in it slipping through; eventually this code can be
1712 // replaced with a DCHECK(!search_url.empty());.
1713 if (search_url.empty())
1715 std::string suggest_url =
1716 prefs->GetString(prefs::kDefaultSearchProviderSuggestURL);
1717 std::string instant_url =
1718 prefs->GetString(prefs::kDefaultSearchProviderInstantURL);
1719 std::string image_url =
1720 prefs->GetString(prefs::kDefaultSearchProviderImageURL);
1721 std::string new_tab_url =
1722 prefs->GetString(prefs::kDefaultSearchProviderNewTabURL);
1723 std::string search_url_post_params =
1724 prefs->GetString(prefs::kDefaultSearchProviderSearchURLPostParams);
1725 std::string suggest_url_post_params =
1726 prefs->GetString(prefs::kDefaultSearchProviderSuggestURLPostParams);
1727 std::string instant_url_post_params =
1728 prefs->GetString(prefs::kDefaultSearchProviderInstantURLPostParams);
1729 std::string image_url_post_params =
1730 prefs->GetString(prefs::kDefaultSearchProviderImageURLPostParams);
1731 std::string icon_url =
1732 prefs->GetString(prefs::kDefaultSearchProviderIconURL);
1733 std::string encodings =
1734 prefs->GetString(prefs::kDefaultSearchProviderEncodings);
1735 std::string id_string = prefs->GetString(prefs::kDefaultSearchProviderID);
1736 std::string prepopulate_id =
1737 prefs->GetString(prefs::kDefaultSearchProviderPrepopulateID);
1738 const base::ListValue* alternate_urls =
1739 prefs->GetList(prefs::kDefaultSearchProviderAlternateURLs);
1740 std::string search_terms_replacement_key = prefs->GetString(
1741 prefs::kDefaultSearchProviderSearchTermsReplacementKey);
1743 TemplateURLData data;
1744 data.short_name = name;
1745 data.SetKeyword(keyword);
1746 data.SetURL(search_url);
1747 data.suggestions_url = suggest_url;
1748 data.instant_url = instant_url;
1749 data.image_url = image_url;
1750 data.new_tab_url = new_tab_url;
1751 data.search_url_post_params = search_url_post_params;
1752 data.suggestions_url_post_params = suggest_url_post_params;
1753 data.instant_url_post_params = instant_url_post_params;
1754 data.image_url_post_params = image_url_post_params;
1755 data.favicon_url = GURL(icon_url);
1756 data.show_in_default_list = true;
1757 data.alternate_urls.clear();
1758 for (size_t i = 0; i < alternate_urls->GetSize(); ++i) {
1759 std::string alternate_url;
1760 if (alternate_urls->GetString(i, &alternate_url))
1761 data.alternate_urls.push_back(alternate_url);
1763 data.search_terms_replacement_key = search_terms_replacement_key;
1764 base::SplitString(encodings, ';', &data.input_encodings);
1765 if (!id_string.empty() && !*is_managed) {
1767 base::StringToInt64(id_string, &value);
1770 if (!prepopulate_id.empty() && !*is_managed) {
1772 base::StringToInt(prepopulate_id, &value);
1773 data.prepopulate_id = value;
1775 default_provider->reset(new TemplateURL(profile_, data));
1776 DCHECK_EQ(TemplateURL::NORMAL, (*default_provider)->GetType());
1778 (*default_provider)->ResetKeywordIfNecessary(true);
1782 void TemplateURLService::ClearDefaultProviderFromPrefs() {
1783 // We overwrite user preferences. If the default search engine is managed,
1784 // there is no effect.
1785 SaveDefaultSearchProviderToPrefs(NULL);
1786 // Default value for kDefaultSearchProviderEnabled is true.
1787 PrefService* prefs = GetPrefs();
1789 prefs->SetBoolean(prefs::kDefaultSearchProviderEnabled, true);
1792 bool TemplateURLService::CanReplaceKeywordForHost(
1793 const std::string& host,
1794 TemplateURL** to_replace) {
1795 DCHECK(!to_replace || !*to_replace);
1796 const TemplateURLSet* urls = provider_map_->GetURLsForHost(host);
1799 for (TemplateURLSet::const_iterator i(urls->begin()); i != urls->end(); ++i) {
1800 if (CanReplace(*i)) {
1809 bool TemplateURLService::CanReplace(const TemplateURL* t_url) {
1810 return (t_url != default_search_provider_ && !t_url->show_in_default_list() &&
1811 t_url->safe_for_autoreplace());
1814 TemplateURL* TemplateURLService::FindNonExtensionTemplateURLForKeyword(
1815 const base::string16& keyword) {
1816 TemplateURL* keyword_turl = GetTemplateURLForKeyword(keyword);
1817 if (!keyword_turl || (keyword_turl->GetType() == TemplateURL::NORMAL))
1818 return keyword_turl;
1819 // The extension keyword in the model may be hiding a replaceable
1820 // non-extension keyword. Look for it.
1821 for (TemplateURLVector::const_iterator i(template_urls_.begin());
1822 i != template_urls_.end(); ++i) {
1823 if (((*i)->GetType() == TemplateURL::NORMAL) &&
1824 ((*i)->keyword() == keyword))
1830 bool TemplateURLService::UpdateNoNotify(
1831 TemplateURL* existing_turl,
1832 const TemplateURL& new_values,
1833 const SearchTermsData& old_search_terms_data) {
1835 DCHECK(existing_turl);
1836 if (std::find(template_urls_.begin(), template_urls_.end(), existing_turl) ==
1837 template_urls_.end())
1840 base::string16 old_keyword(existing_turl->keyword());
1841 keyword_to_template_map_.erase(old_keyword);
1842 if (!existing_turl->sync_guid().empty())
1843 guid_to_template_map_.erase(existing_turl->sync_guid());
1845 provider_map_->Remove(existing_turl, old_search_terms_data);
1846 TemplateURLID previous_id = existing_turl->id();
1847 existing_turl->CopyFrom(new_values);
1848 existing_turl->data_.id = previous_id;
1849 UIThreadSearchTermsData new_search_terms_data(profile_);
1850 provider_map_->Add(existing_turl, new_search_terms_data);
1852 const base::string16& keyword = existing_turl->keyword();
1853 KeywordToTemplateMap::const_iterator i =
1854 keyword_to_template_map_.find(keyword);
1855 if (i == keyword_to_template_map_.end()) {
1856 keyword_to_template_map_[keyword] = existing_turl;
1858 // We can theoretically reach here in two cases:
1859 // * There is an existing extension keyword and sync brings in a rename of
1860 // a non-extension keyword to match. In this case we just need to pick
1861 // which keyword has priority to update the keyword map.
1862 // * Autogeneration of the keyword for a Google default search provider
1863 // at load time causes it to conflict with an existing keyword. In this
1864 // case we delete the existing keyword if it's replaceable, or else undo
1865 // the change in keyword for |existing_turl|.
1866 TemplateURL* existing_keyword_turl = i->second;
1867 if (existing_keyword_turl->GetType() != TemplateURL::NORMAL) {
1868 if (!CanReplace(existing_turl))
1869 keyword_to_template_map_[keyword] = existing_turl;
1871 if (CanReplace(existing_keyword_turl)) {
1872 RemoveNoNotify(existing_keyword_turl);
1874 existing_turl->data_.SetKeyword(old_keyword);
1875 keyword_to_template_map_[old_keyword] = existing_turl;
1879 if (!existing_turl->sync_guid().empty())
1880 guid_to_template_map_[existing_turl->sync_guid()] = existing_turl;
1883 service_->UpdateKeyword(existing_turl->data());
1885 // Inform sync of the update.
1886 ProcessTemplateURLChange(FROM_HERE,
1888 syncer::SyncChange::ACTION_UPDATE);
1890 if (default_search_provider_ == existing_turl) {
1891 bool success = SetDefaultSearchProviderNoNotify(existing_turl);
1898 void TemplateURLService::UpdateTemplateURLIfPrepopulated(
1899 TemplateURL* template_url,
1901 int prepopulate_id = template_url->prepopulate_id();
1902 if (template_url->prepopulate_id() == 0)
1905 size_t default_search_index;
1906 ScopedVector<TemplateURL> prepopulated_urls =
1907 TemplateURLPrepopulateData::GetPrepopulatedEngines(profile,
1908 &default_search_index);
1910 for (size_t i = 0; i < prepopulated_urls.size(); ++i) {
1911 if (prepopulated_urls[i]->prepopulate_id() == prepopulate_id) {
1912 MergeIntoPrepopulatedEngineData(&prepopulated_urls[i]->data_,
1914 template_url->CopyFrom(*prepopulated_urls[i]);
1919 PrefService* TemplateURLService::GetPrefs() {
1920 return profile_ ? profile_->GetPrefs() : NULL;
1923 void TemplateURLService::UpdateKeywordSearchTermsForURL(
1924 const history::URLVisitedDetails& details) {
1925 const history::URLRow& row = details.row;
1926 if (!row.url().is_valid())
1929 const TemplateURLSet* urls_for_host =
1930 provider_map_->GetURLsForHost(row.url().host());
1934 for (TemplateURLSet::const_iterator i = urls_for_host->begin();
1935 i != urls_for_host->end(); ++i) {
1936 base::string16 search_terms;
1937 if ((*i)->ExtractSearchTermsFromURL(row.url(), &search_terms) &&
1938 !search_terms.empty()) {
1939 if (content::PageTransitionStripQualifier(details.transition) ==
1940 content::PAGE_TRANSITION_KEYWORD) {
1941 // The visit is the result of the user entering a keyword, generate a
1942 // KEYWORD_GENERATED visit for the KEYWORD so that the keyword typed
1943 // count is boosted.
1944 AddTabToSearchVisit(**i);
1946 SetKeywordSearchTermsForURL(*i, row.url(), search_terms);
1951 void TemplateURLService::AddTabToSearchVisit(const TemplateURL& t_url) {
1952 // Only add visits for entries the user hasn't modified. If the user modified
1953 // the entry the keyword may no longer correspond to the host name. It may be
1954 // possible to do something more sophisticated here, but it's so rare as to
1956 if (!t_url.safe_for_autoreplace())
1962 HistoryService* history =
1963 HistoryServiceFactory::GetForProfile(profile_, Profile::EXPLICIT_ACCESS);
1967 GURL url(URLFixerUpper::FixupURL(base::UTF16ToUTF8(t_url.keyword()),
1969 if (!url.is_valid())
1972 // Synthesize a visit for the keyword. This ensures the url for the keyword is
1973 // autocompleted even if the user doesn't type the url in directly.
1974 history->AddPage(url, base::Time::Now(), NULL, 0, GURL(),
1975 history::RedirectList(),
1976 content::PAGE_TRANSITION_KEYWORD_GENERATED,
1977 history::SOURCE_BROWSED, false);
1980 void TemplateURLService::GoogleBaseURLChanged(const GURL& old_base_url) {
1981 bool something_changed = false;
1982 for (TemplateURLVector::iterator i(template_urls_.begin());
1983 i != template_urls_.end(); ++i) {
1984 TemplateURL* t_url = *i;
1985 if (t_url->url_ref().HasGoogleBaseURLs() ||
1986 t_url->suggestions_url_ref().HasGoogleBaseURLs()) {
1987 TemplateURL updated_turl(t_url->profile(), t_url->data());
1988 updated_turl.ResetKeywordIfNecessary(false);
1989 KeywordToTemplateMap::const_iterator existing_entry =
1990 keyword_to_template_map_.find(updated_turl.keyword());
1991 if ((existing_entry != keyword_to_template_map_.end()) &&
1992 (existing_entry->second != t_url)) {
1993 // The new autogenerated keyword conflicts with another TemplateURL.
1994 // Overwrite it if it's replaceable; otherwise, leave |t_url| using its
1995 // current keyword. (This will not prevent |t_url| from auto-updating
1996 // the keyword in the future if the conflicting TemplateURL disappears.)
1997 // Note that we must still update |t_url| in this case, or the
1998 // |provider_map_| will not be updated correctly.
1999 if (CanReplace(existing_entry->second))
2000 RemoveNoNotify(existing_entry->second);
2002 updated_turl.data_.SetKeyword(t_url->keyword());
2004 something_changed = true;
2005 // This will send the keyword change to sync. Note that other clients
2006 // need to reset the keyword to an appropriate local value when this
2007 // change arrives; see CreateTemplateURLFromTemplateURLAndSyncData().
2008 UpdateNoNotify(t_url, updated_turl,
2009 OldBaseURLSearchTermsData(t_url->profile(), old_base_url.spec()));
2012 if (something_changed)
2016 void TemplateURLService::UpdateDefaultSearch() {
2018 // Set |initial_default_search_provider_| from the preferences. We use this
2019 // value for default search provider until the database has been loaded.
2020 if (!LoadDefaultSearchProviderFromPrefs(&initial_default_search_provider_,
2021 &is_default_search_managed_)) {
2022 // Prefs does not specify, so rely on the prepopulated engines. This
2023 // should happen only the first time Chrome is started.
2024 initial_default_search_provider_.reset(
2025 TemplateURLPrepopulateData::GetPrepopulatedDefaultSearch(profile_));
2026 is_default_search_managed_ = false;
2030 // Load the default search specified in prefs.
2031 scoped_ptr<TemplateURL> new_default_from_prefs;
2032 bool new_is_default_managed = false;
2033 // Load the default from prefs. It's possible that it won't succeed
2034 // because we are in the middle of doing SaveDefaultSearchProviderToPrefs()
2035 // and all the preference items have not been saved. In that case, we
2036 // don't have yet a default. It would be much better if we could save
2037 // preferences in batches and trigger notifications at the end.
2038 LoadDefaultSearchProviderFromPrefs(&new_default_from_prefs,
2039 &new_is_default_managed);
2040 if (!is_default_search_managed_ && !new_is_default_managed) {
2041 // We're not interested in cases where the default was and remains
2042 // unmanaged. In that case, preferences have no impact on the default.
2045 if (is_default_search_managed_ && new_is_default_managed) {
2046 // The default was managed and remains managed. Update the default only
2047 // if it has changed; we don't want to respond to changes triggered by
2048 // SaveDefaultSearchProviderToPrefs.
2049 if (TemplateURLsHaveSamePrefs(default_search_provider_,
2050 new_default_from_prefs.get()))
2052 if (new_default_from_prefs.get() == NULL) {
2053 // default_search_provider_ can't be NULL otherwise
2054 // TemplateURLsHaveSamePrefs would have returned true. Remove this now
2056 TemplateURL* old_default = default_search_provider_;
2057 bool success = SetDefaultSearchProviderNoNotify(NULL);
2059 RemoveNoNotify(old_default);
2060 } else if (default_search_provider_) {
2061 TemplateURLData data(new_default_from_prefs->data());
2062 data.created_by_policy = true;
2063 TemplateURL new_values(new_default_from_prefs->profile(), data);
2064 UIThreadSearchTermsData search_terms_data(
2065 default_search_provider_->profile());
2066 UpdateNoNotify(default_search_provider_, new_values, search_terms_data);
2068 TemplateURL* new_template = NULL;
2069 if (new_default_from_prefs.get()) {
2070 TemplateURLData data(new_default_from_prefs->data());
2071 data.created_by_policy = true;
2072 new_template = new TemplateURL(profile_, data);
2073 if (!AddNoNotify(new_template, true))
2076 bool success = SetDefaultSearchProviderNoNotify(new_template);
2079 } else if (!is_default_search_managed_ && new_is_default_managed) {
2080 // The default used to be unmanaged and is now managed. Add the new
2081 // managed default to the list of URLs and set it as default.
2082 is_default_search_managed_ = new_is_default_managed;
2083 TemplateURL* new_template = NULL;
2084 if (new_default_from_prefs.get()) {
2085 TemplateURLData data(new_default_from_prefs->data());
2086 data.created_by_policy = true;
2087 new_template = new TemplateURL(profile_, data);
2088 if (!AddNoNotify(new_template, true))
2091 bool success = SetDefaultSearchProviderNoNotify(new_template);
2094 // The default was managed and is no longer.
2095 DCHECK(is_default_search_managed_ && !new_is_default_managed);
2096 is_default_search_managed_ = new_is_default_managed;
2097 // If we had a default, delete the previous default if created by policy
2098 // and set a likely default.
2099 if ((default_search_provider_ != NULL) &&
2100 default_search_provider_->created_by_policy()) {
2101 TemplateURL* old_default = default_search_provider_;
2102 default_search_provider_ = NULL;
2103 RemoveNoNotify(old_default);
2106 // The likely default should be from Sync if we were waiting on Sync.
2107 // Otherwise, it should be FindNewDefaultSearchProvider.
2108 TemplateURL* synced_default = GetPendingSyncedDefaultSearchProvider();
2109 if (synced_default) {
2110 pending_synced_default_search_ = false;
2112 base::AutoReset<DefaultSearchChangeOrigin> change_origin(
2113 &dsp_change_origin_, DSP_CHANGE_SYNC_NOT_MANAGED);
2114 SetDefaultSearchProviderNoNotify(synced_default);
2116 SetDefaultSearchProviderNoNotify(FindNewDefaultSearchProvider());
2122 bool TemplateURLService::SetDefaultSearchProviderNoNotify(TemplateURL* url) {
2124 if (std::find(template_urls_.begin(), template_urls_.end(), url) ==
2125 template_urls_.end())
2127 // Omnibox keywords cannot be made default.
2128 DCHECK_NE(TemplateURL::OMNIBOX_API_EXTENSION, url->GetType());
2131 // Only bother reassigning |url| if it has changed. Notice that we don't just
2132 // early exit if they are equal, because |url| may have had its fields
2133 // changed, and needs to be persisted below (for example, when this is called
2134 // from UpdateNoNotify).
2135 if (default_search_provider_ != url) {
2136 // Engines set by policy override extension-controlled engines, which
2137 // override other engines.
2138 DCHECK(!is_default_search_managed() || !url ||
2139 (url->GetType() == TemplateURL::NORMAL));
2140 if (is_default_search_managed() || !default_search_provider_ ||
2141 (default_search_provider_->GetType() == TemplateURL::NORMAL) ||
2143 (url->GetType() == TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION))){
2144 UMA_HISTOGRAM_ENUMERATION("Search.DefaultSearchChangeOrigin",
2145 dsp_change_origin_, DSP_CHANGE_MAX);
2146 default_search_provider_ = url;
2151 // Don't mark the url as edited, otherwise we won't be able to rev the
2152 // template urls we ship with.
2153 url->data_.show_in_default_list = true;
2154 if (service_.get() && (url->GetType() == TemplateURL::NORMAL))
2155 service_->UpdateKeyword(url->data());
2157 if (url->url_ref().HasGoogleBaseURLs()) {
2158 GoogleURLTracker::RequestServerCheck(profile_, false);
2159 #if defined(ENABLE_RLZ)
2160 RLZTracker::RecordProductEvent(rlz_lib::CHROME,
2161 RLZTracker::CHROME_OMNIBOX,
2162 rlz_lib::SET_TO_GOOGLE);
2167 // Extension-controlled search engines shouldn't be persisted anywhere.
2168 if (url && (url->GetType() == TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION))
2171 if (!is_default_search_managed_) {
2172 SaveDefaultSearchProviderToPrefs(url);
2174 // If we are syncing, we want to set the synced pref that will notify other
2175 // instances to change their default to this new search provider.
2176 // Note: we don't update the pref if we're currently in the middle of
2177 // handling a sync operation. Sync operations from other clients are not
2178 // guaranteed to arrive together, and any client that deletes the default
2179 // needs to set a new default as well. If we update the default here, we're
2180 // likely to race with the update from the other client, resulting in
2181 // a possibly random default search provider.
2182 if (sync_processor_.get() && url && !url->sync_guid().empty() &&
2183 GetPrefs() && !processing_syncer_changes_) {
2184 GetPrefs()->SetString(prefs::kSyncedDefaultSearchProviderGUID,
2190 service_->SetDefaultSearchProvider(url);
2192 // Inform sync the change to the show_in_default_list flag.
2194 ProcessTemplateURLChange(FROM_HERE,
2196 syncer::SyncChange::ACTION_UPDATE);
2200 bool TemplateURLService::AddNoNotify(TemplateURL* template_url,
2201 bool newly_adding) {
2202 DCHECK(template_url);
2205 DCHECK_EQ(kInvalidTemplateURLID, template_url->id());
2206 DCHECK(std::find(template_urls_.begin(), template_urls_.end(),
2207 template_url) == template_urls_.end());
2208 template_url->data_.id = ++next_id_;
2211 template_url->ResetKeywordIfNecessary(false);
2212 // Check whether |template_url|'s keyword conflicts with any already in the
2214 TemplateURL* existing_keyword_turl =
2215 GetTemplateURLForKeyword(template_url->keyword());
2216 if (existing_keyword_turl != NULL) {
2217 DCHECK_NE(existing_keyword_turl, template_url);
2218 // Only replace one of the TemplateURLs if they are either both extensions,
2219 // or both not extensions.
2220 bool are_same_type = existing_keyword_turl->GetType() ==
2221 template_url->GetType();
2222 if (CanReplace(existing_keyword_turl) && are_same_type) {
2223 RemoveNoNotify(existing_keyword_turl);
2224 } else if (CanReplace(template_url) && are_same_type) {
2225 delete template_url;
2228 base::string16 new_keyword =
2229 UniquifyKeyword(*existing_keyword_turl, false);
2230 ResetTemplateURL(existing_keyword_turl,
2231 existing_keyword_turl->short_name(), new_keyword,
2232 existing_keyword_turl->url());
2235 template_urls_.push_back(template_url);
2236 AddToMaps(template_url);
2239 (template_url->GetType() !=
2240 TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION)) {
2242 service_->AddKeyword(template_url->data());
2244 // Inform sync of the addition. Note that this will assign a GUID to
2245 // template_url and add it to the guid_to_template_map_.
2246 ProcessTemplateURLChange(FROM_HERE,
2248 syncer::SyncChange::ACTION_ADD);
2254 void TemplateURLService::RemoveNoNotify(TemplateURL* template_url) {
2255 TemplateURLVector::iterator i =
2256 std::find(template_urls_.begin(), template_urls_.end(), template_url);
2257 if (i == template_urls_.end())
2260 if (template_url == default_search_provider_) {
2261 // Should never delete the default search provider.
2266 RemoveFromMaps(template_url);
2268 // Remove it from the vector containing all TemplateURLs.
2269 template_urls_.erase(i);
2271 if (template_url->GetType() != TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION) {
2273 service_->RemoveKeyword(template_url->id());
2275 // Inform sync of the deletion.
2276 ProcessTemplateURLChange(FROM_HERE,
2278 syncer::SyncChange::ACTION_DELETE);
2280 UMA_HISTOGRAM_ENUMERATION(kDeleteSyncedEngineHistogramName,
2281 DELETE_ENGINE_USER_ACTION, DELETE_ENGINE_MAX);
2285 content::Source<Profile> source(profile_);
2286 TemplateURLID id = template_url->id();
2287 content::NotificationService::current()->Notify(
2288 chrome::NOTIFICATION_TEMPLATE_URL_REMOVED,
2290 content::Details<TemplateURLID>(&id));
2293 // We own the TemplateURL and need to delete it.
2294 delete template_url;
2297 void TemplateURLService::NotifyObservers() {
2301 FOR_EACH_OBSERVER(TemplateURLServiceObserver, model_observers_,
2302 OnTemplateURLServiceChanged());
2305 // |template_urls| are the TemplateURLs loaded from the database.
2306 // |default_search_provider| points to one of them, if it was set in the db.
2307 // |default_from_prefs| is the default search provider from the preferences.
2308 // Check |is_default_search_managed_| to determine if it was set by policy.
2310 // This function removes from the vector and the database all the TemplateURLs
2311 // that were set by policy, unless it is the current default search provider
2312 // and matches what is set by a managed preference.
2313 void TemplateURLService::RemoveProvidersCreatedByPolicy(
2314 TemplateURLVector* template_urls,
2315 TemplateURL** default_search_provider,
2316 TemplateURL* default_from_prefs) {
2317 DCHECK(template_urls);
2318 DCHECK(default_search_provider);
2319 for (TemplateURLVector::iterator i = template_urls->begin();
2320 i != template_urls->end(); ) {
2321 TemplateURL* template_url = *i;
2322 if (template_url->created_by_policy()) {
2323 if (template_url == *default_search_provider &&
2324 is_default_search_managed_ &&
2325 TemplateURLsHaveSamePrefs(template_url,
2326 default_from_prefs)) {
2327 // If the database specified a default search provider that was set
2328 // by policy, and the default search provider from the preferences
2329 // is also set by policy and they are the same, keep the entry in the
2330 // database and the |default_search_provider|.
2335 // The database loaded a managed |default_search_provider|, but it has
2336 // been updated in the prefs. Remove it from the database, and update the
2337 // |default_search_provider| pointer here.
2338 if (*default_search_provider &&
2339 (*default_search_provider)->id() == template_url->id())
2340 *default_search_provider = NULL;
2342 i = template_urls->erase(i);
2344 service_->RemoveKeyword(template_url->id());
2345 delete template_url;
2352 void TemplateURLService::ResetTemplateURLGUID(TemplateURL* url,
2353 const std::string& guid) {
2355 DCHECK(!guid.empty());
2357 TemplateURLData data(url->data());
2358 data.sync_guid = guid;
2359 TemplateURL new_url(url->profile(), data);
2360 UIThreadSearchTermsData search_terms_data(url->profile());
2361 UpdateNoNotify(url, new_url, search_terms_data);
2364 base::string16 TemplateURLService::UniquifyKeyword(const TemplateURL& turl,
2368 if (!GetTemplateURLForKeyword(turl.keyword()))
2369 return turl.keyword();
2371 // First, try to return the generated keyword for the TemplateURL (except
2372 // for extensions, as their keywords are not associated with their URLs).
2373 GURL gurl(turl.url());
2374 if (gurl.is_valid() &&
2375 (turl.GetType() != TemplateURL::OMNIBOX_API_EXTENSION)) {
2376 base::string16 keyword_candidate = GenerateKeyword(gurl);
2377 if (!GetTemplateURLForKeyword(keyword_candidate))
2378 return keyword_candidate;
2382 // We try to uniquify the keyword by appending a special character to the end.
2383 // This is a best-effort approach where we try to preserve the original
2384 // keyword and let the user do what they will after our attempt.
2385 base::string16 keyword_candidate(turl.keyword());
2387 keyword_candidate.append(base::ASCIIToUTF16("_"));
2388 } while (GetTemplateURLForKeyword(keyword_candidate));
2390 return keyword_candidate;
2393 bool TemplateURLService::IsLocalTemplateURLBetter(
2394 const TemplateURL* local_turl,
2395 const TemplateURL* sync_turl) {
2396 DCHECK(GetTemplateURLForGUID(local_turl->sync_guid()));
2397 return local_turl->last_modified() > sync_turl->last_modified() ||
2398 local_turl->created_by_policy() ||
2399 local_turl== GetDefaultSearchProvider();
2402 void TemplateURLService::ResolveSyncKeywordConflict(
2403 TemplateURL* unapplied_sync_turl,
2404 TemplateURL* applied_sync_turl,
2405 syncer::SyncChangeList* change_list) {
2407 DCHECK(unapplied_sync_turl);
2408 DCHECK(applied_sync_turl);
2409 DCHECK(change_list);
2410 DCHECK_EQ(applied_sync_turl->keyword(), unapplied_sync_turl->keyword());
2411 DCHECK_NE(TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION,
2412 applied_sync_turl->GetType());
2414 // Both |unapplied_sync_turl| and |applied_sync_turl| are known to Sync, so
2415 // don't delete either of them. Instead, determine which is "better" and
2416 // uniquify the other one, sending an update to the server for the updated
2418 const bool applied_turl_is_better =
2419 IsLocalTemplateURLBetter(applied_sync_turl, unapplied_sync_turl);
2420 TemplateURL* loser = applied_turl_is_better ?
2421 unapplied_sync_turl : applied_sync_turl;
2422 base::string16 new_keyword = UniquifyKeyword(*loser, false);
2423 DCHECK(!GetTemplateURLForKeyword(new_keyword));
2424 if (applied_turl_is_better) {
2425 // Just set the keyword of |unapplied_sync_turl|. The caller is responsible
2426 // for adding or updating unapplied_sync_turl in the local model.
2427 unapplied_sync_turl->data_.SetKeyword(new_keyword);
2429 // Update |applied_sync_turl| in the local model with the new keyword.
2430 TemplateURLData data(applied_sync_turl->data());
2431 data.SetKeyword(new_keyword);
2432 TemplateURL new_turl(applied_sync_turl->profile(), data);
2433 UIThreadSearchTermsData search_terms_data(applied_sync_turl->profile());
2434 if (UpdateNoNotify(applied_sync_turl, new_turl, search_terms_data))
2437 // The losing TemplateURL should have their keyword updated. Send a change to
2438 // the server to reflect this change.
2439 syncer::SyncData sync_data = CreateSyncDataFromTemplateURL(*loser);
2440 change_list->push_back(syncer::SyncChange(FROM_HERE,
2441 syncer::SyncChange::ACTION_UPDATE,
2445 void TemplateURLService::MergeInSyncTemplateURL(
2446 TemplateURL* sync_turl,
2447 const SyncDataMap& sync_data,
2448 syncer::SyncChangeList* change_list,
2449 SyncDataMap* local_data,
2450 syncer::SyncMergeResult* merge_result) {
2452 DCHECK(!GetTemplateURLForGUID(sync_turl->sync_guid()));
2453 DCHECK(IsFromSync(sync_turl, sync_data));
2455 TemplateURL* conflicting_turl =
2456 FindNonExtensionTemplateURLForKeyword(sync_turl->keyword());
2457 bool should_add_sync_turl = true;
2459 // If there was no TemplateURL in the local model that conflicts with
2460 // |sync_turl|, skip the following preparation steps and just add |sync_turl|
2461 // directly. Otherwise, modify |conflicting_turl| to make room for
2463 if (conflicting_turl) {
2464 if (IsFromSync(conflicting_turl, sync_data)) {
2465 // |conflicting_turl| is already known to Sync, so we're not allowed to
2466 // remove it. In this case, we want to uniquify the worse one and send an
2467 // update for the changed keyword to sync. We can reuse the logic from
2468 // ResolveSyncKeywordConflict for this.
2469 ResolveSyncKeywordConflict(sync_turl, conflicting_turl, change_list);
2470 merge_result->set_num_items_modified(
2471 merge_result->num_items_modified() + 1);
2473 // |conflicting_turl| is not yet known to Sync. If it is better, then we
2474 // want to transfer its values up to sync. Otherwise, we remove it and
2475 // allow the entry from Sync to overtake it in the model.
2476 const std::string guid = conflicting_turl->sync_guid();
2477 if (IsLocalTemplateURLBetter(conflicting_turl, sync_turl)) {
2478 ResetTemplateURLGUID(conflicting_turl, sync_turl->sync_guid());
2479 syncer::SyncData sync_data =
2480 CreateSyncDataFromTemplateURL(*conflicting_turl);
2481 change_list->push_back(syncer::SyncChange(
2482 FROM_HERE, syncer::SyncChange::ACTION_UPDATE, sync_data));
2483 if (conflicting_turl == GetDefaultSearchProvider() &&
2484 !pending_synced_default_search_) {
2485 // If we're not waiting for the Synced default to come in, we should
2486 // override the pref with our new GUID. If we are waiting for the
2487 // arrival of a synced default, setting the pref here would cause us
2488 // to lose the GUID we are waiting on.
2489 PrefService* prefs = GetPrefs();
2491 prefs->SetString(prefs::kSyncedDefaultSearchProviderGUID,
2492 conflicting_turl->sync_guid());
2495 // Note that in this case we do not add the Sync TemplateURL to the
2496 // local model, since we've effectively "merged" it in by updating the
2497 // local conflicting entry with its sync_guid.
2498 should_add_sync_turl = false;
2499 merge_result->set_num_items_modified(
2500 merge_result->num_items_modified() + 1);
2502 // We guarantee that this isn't the local search provider. Otherwise,
2503 // local would have won.
2504 DCHECK(conflicting_turl != GetDefaultSearchProvider());
2505 Remove(conflicting_turl);
2506 merge_result->set_num_items_deleted(
2507 merge_result->num_items_deleted() + 1);
2509 // This TemplateURL was either removed or overwritten in the local model.
2510 // Remove the entry from the local data so it isn't pushed up to Sync.
2511 local_data->erase(guid);
2515 if (should_add_sync_turl) {
2516 // Force the local ID to kInvalidTemplateURLID so we can add it.
2517 TemplateURLData data(sync_turl->data());
2518 data.id = kInvalidTemplateURLID;
2519 Add(new TemplateURL(profile_, data));
2520 merge_result->set_num_items_added(
2521 merge_result->num_items_added() + 1);
2525 void TemplateURLService::SetDefaultSearchProviderIfNewlySynced(
2526 const std::string& guid) {
2527 // If we're not syncing or if default search is managed by policy, ignore.
2528 if (!sync_processor_.get() || is_default_search_managed_)
2531 PrefService* prefs = GetPrefs();
2532 if (prefs && pending_synced_default_search_ &&
2533 prefs->GetString(prefs::kSyncedDefaultSearchProviderGUID) == guid) {
2534 // Make sure this actually exists. We should not be calling this unless we
2535 // really just added this TemplateURL.
2536 TemplateURL* turl_from_sync = GetTemplateURLForGUID(guid);
2537 if (turl_from_sync && turl_from_sync->SupportsReplacement()) {
2538 base::AutoReset<DefaultSearchChangeOrigin> change_origin(
2539 &dsp_change_origin_, DSP_CHANGE_SYNC_ADD);
2540 SetDefaultSearchProvider(turl_from_sync);
2542 pending_synced_default_search_ = false;
2546 TemplateURL* TemplateURLService::GetPendingSyncedDefaultSearchProvider() {
2547 PrefService* prefs = GetPrefs();
2548 if (!prefs || !pending_synced_default_search_)
2551 // Could be NULL if no such thing exists.
2552 return GetTemplateURLForGUID(
2553 prefs->GetString(prefs::kSyncedDefaultSearchProviderGUID));
2556 void TemplateURLService::PatchMissingSyncGUIDs(
2557 TemplateURLVector* template_urls) {
2558 DCHECK(template_urls);
2559 for (TemplateURLVector::iterator i = template_urls->begin();
2560 i != template_urls->end(); ++i) {
2561 TemplateURL* template_url = *i;
2562 DCHECK(template_url);
2563 if (template_url->sync_guid().empty() &&
2564 (template_url->GetType() !=
2565 TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION)) {
2566 template_url->data_.sync_guid = base::GenerateGUID();
2568 service_->UpdateKeyword(template_url->data());
2573 void TemplateURLService::AddTemplateURLsAndSetupDefaultEngine(
2574 TemplateURLVector* template_urls,
2575 TemplateURL* default_search_provider) {
2576 DCHECK(template_urls);
2577 is_default_search_managed_ = false;
2578 bool database_specified_a_default = (default_search_provider != NULL);
2580 // Check if default search provider is now managed.
2581 scoped_ptr<TemplateURL> default_from_prefs;
2582 LoadDefaultSearchProviderFromPrefs(&default_from_prefs,
2583 &is_default_search_managed_);
2585 // Remove entries that were created because of policy as they may have
2586 // changed since the database was saved.
2587 RemoveProvidersCreatedByPolicy(template_urls,
2588 &default_search_provider,
2589 default_from_prefs.get());
2591 PatchMissingSyncGUIDs(template_urls);
2593 if (is_default_search_managed_) {
2594 SetTemplateURLs(template_urls);
2596 if (TemplateURLsHaveSamePrefs(default_search_provider,
2597 default_from_prefs.get())) {
2598 // The value from the preferences was previously stored in the database.
2601 // The value from the preferences takes over.
2602 default_search_provider = NULL;
2603 if (default_from_prefs) {
2604 TemplateURLData data(default_from_prefs->data());
2605 data.created_by_policy = true;
2606 data.id = kInvalidTemplateURLID;
2607 default_search_provider = new TemplateURL(profile_, data);
2608 if (!AddNoNotify(default_search_provider, true))
2609 default_search_provider = NULL;
2612 // Note that this saves the default search provider to prefs.
2613 if (!default_search_provider ||
2614 ((default_search_provider->GetType() !=
2615 TemplateURL::OMNIBOX_API_EXTENSION) &&
2616 default_search_provider->SupportsReplacement())) {
2617 bool success = SetDefaultSearchProviderNoNotify(default_search_provider);
2621 // If we had a managed default, replace it with the synced default if
2622 // applicable, or the first provider of the list.
2623 TemplateURL* synced_default = GetPendingSyncedDefaultSearchProvider();
2624 if (synced_default) {
2625 default_search_provider = synced_default;
2626 pending_synced_default_search_ = false;
2627 } else if (database_specified_a_default &&
2628 default_search_provider == NULL) {
2629 UMA_HISTOGRAM_ENUMERATION(kFirstPotentialEngineHistogramName,
2630 FIRST_POTENTIAL_CALLSITE_ON_LOAD,
2631 FIRST_POTENTIAL_CALLSITE_MAX);
2632 default_search_provider = FirstPotentialDefaultEngine(*template_urls);
2635 // If the default search provider existed previously, then just
2636 // set the member variable. Otherwise, we'll set it using the method
2637 // to ensure that it is saved properly after its id is set.
2638 if (default_search_provider &&
2639 (default_search_provider->id() != kInvalidTemplateURLID)) {
2640 default_search_provider_ = default_search_provider;
2641 default_search_provider = NULL;
2643 SetTemplateURLs(template_urls);
2645 if (default_search_provider) {
2646 base::AutoReset<DefaultSearchChangeOrigin> change_origin(
2647 &dsp_change_origin_, default_from_prefs ?
2648 dsp_change_origin_ : DSP_CHANGE_NEW_ENGINE_NO_PREFS);
2649 // Note that this saves the default search provider to prefs.
2650 SetDefaultSearchProvider(default_search_provider);
2652 // Always save the default search provider to prefs. That way we don't
2653 // have to worry about it being out of sync.
2654 if (default_search_provider_)
2655 SaveDefaultSearchProviderToPrefs(default_search_provider_);
2660 void TemplateURLService::EnsureDefaultSearchProviderExists() {
2661 if (!is_default_search_managed()) {
2662 bool has_default_search_provider = default_search_provider_ &&
2663 default_search_provider_->SupportsReplacement();
2664 UMA_HISTOGRAM_BOOLEAN("Search.HasDefaultSearchProvider",
2665 has_default_search_provider);
2666 // Ensure that default search provider exists. See http://crbug.com/116952.
2667 if (!has_default_search_provider) {
2669 SetDefaultSearchProviderNoNotify(FindNewDefaultSearchProvider());
2672 // Don't log anything if the user has a NULL default search provider.
2673 if (default_search_provider_) {
2674 UMA_HISTOGRAM_ENUMERATION("Search.DefaultSearchProviderType",
2675 TemplateURLPrepopulateData::GetEngineType(*default_search_provider_),
2681 TemplateURL* TemplateURLService::CreateTemplateURLForExtension(
2682 const ExtensionKeyword& extension_keyword) const {
2683 TemplateURLData data;
2684 data.short_name = base::UTF8ToUTF16(extension_keyword.extension_name);
2685 data.SetKeyword(base::UTF8ToUTF16(extension_keyword.extension_keyword));
2686 // This URL is not actually used for navigation. It holds the extension's
2687 // ID, as well as forcing the TemplateURL to be treated as a search keyword.
2688 data.SetURL(std::string(extensions::kExtensionScheme) + "://" +
2689 extension_keyword.extension_id + "/?q={searchTerms}");
2690 return new TemplateURL(profile_, data);
2693 TemplateURL* TemplateURLService::FindTemplateURLForExtension(
2694 const std::string& extension_id,
2695 TemplateURL::Type type) const {
2696 DCHECK_NE(TemplateURL::NORMAL, type);
2697 for (TemplateURLVector::const_iterator i = template_urls_.begin();
2698 i != template_urls_.end(); ++i) {
2699 if ((*i)->GetType() == type &&
2700 (*i)->GetExtensionId() == extension_id)
2707 TemplateURL* TemplateURLService::FindExtensionDefaultSearchEngine() const {
2708 TemplateURL* most_recently_intalled_default = NULL;
2709 for (TemplateURLVector::const_iterator i = template_urls_.begin();
2710 i != template_urls_.end(); ++i) {
2711 if (((*i)->GetType() == TemplateURL::NORMAL_CONTROLLED_BY_EXTENSION) &&
2712 (*i)->extension_info_->wants_to_be_default_engine &&
2713 (*i)->SupportsReplacement() &&
2714 (!most_recently_intalled_default ||
2715 (most_recently_intalled_default->extension_info_->install_time <
2716 (*i)->extension_info_->install_time)))
2717 most_recently_intalled_default = *i;
2720 return most_recently_intalled_default;
2723 void TemplateURLService::
2724 SetDefaultSearchProviderAfterRemovingDefaultExtension() {
2725 DCHECK(!is_default_search_managed());
2726 TemplateURL* new_dse = FindExtensionDefaultSearchEngine();
2728 scoped_ptr<TemplateURL> default_provider;
2730 if (LoadDefaultSearchProviderFromPrefs(&default_provider, &is_managed) &&
2732 for (TemplateURLVector::const_iterator i = template_urls_.begin();
2733 i != template_urls_.end(); ++i) {
2734 if ((*i)->id() == default_provider->id()) {
2742 new_dse = FindNewDefaultSearchProvider();
2743 SetDefaultSearchProviderNoNotify(new_dse);