1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef COMPONENTS_SEARCH_ENGINES_TEMPLATE_URL_H_
6 #define COMPONENTS_SEARCH_ENGINES_TEMPLATE_URL_H_
14 #include "base/gtest_prod_util.h"
15 #include "base/macros.h"
16 #include "base/time/time.h"
17 #include "components/search_engines/search_engine_type.h"
18 #include "components/search_engines/template_url_data.h"
19 #include "components/search_engines/template_url_id.h"
20 #include "third_party/metrics_proto/omnibox_event.pb.h"
21 #include "third_party/metrics_proto/omnibox_input_type.pb.h"
22 #include "ui/gfx/geometry/size.h"
24 #include "url/third_party/mozilla/url_parse.h"
26 class SearchTermsData;
30 // TemplateURLRef -------------------------------------------------------------
32 // A TemplateURLRef represents a single URL within the larger TemplateURL class
33 // (which represents an entire "search engine", see below). If
34 // SupportsReplacement() is true, this URL has placeholders in it, for which
35 // callers can substitute values to get a "real" URL using ReplaceSearchTerms().
37 // TemplateURLRefs always have a non-NULL |owner_| TemplateURL, which they
38 // access in order to get at important data like the underlying URL string or
39 // the associated Profile.
40 class TemplateURLRef {
42 // Magic numbers to pass to ReplaceSearchTerms() for the |accepted_suggestion|
43 // parameter. Most callers aren't using Suggest capabilities and should just
44 // pass NO_SUGGESTIONS_AVAILABLE.
45 // NOTE: Because positive values are meaningful, make sure these are negative!
46 enum AcceptedSuggestion {
47 NO_SUGGESTION_CHOSEN = -1,
48 NO_SUGGESTIONS_AVAILABLE = -2,
51 // Which kind of URL within our owner we are. This allows us to get at the
52 // correct string field. Use |INDEXED| to indicate that the numerical
53 // |index_in_owner_| should be used instead.
63 // Type to store <content_type, post_data> pair for POST URLs.
64 // The |content_type|(first part of the pair) is the content-type of
65 // the |post_data|(second part of the pair) which is encoded in
66 // "multipart/form-data" format, it also contains the MIME boundary used in
67 // the |post_data|. See http://tools.ietf.org/html/rfc2046 for the details.
68 typedef std::pair<std::string, std::string> PostContent;
70 // This struct encapsulates arguments passed to
71 // TemplateURLRef::ReplaceSearchTerms methods. By default, only search_terms
72 // is required and is passed in the constructor.
73 struct SearchTermsArgs {
74 explicit SearchTermsArgs(const base::string16& search_terms);
75 SearchTermsArgs(const SearchTermsArgs& other);
78 struct ContextualSearchParams {
79 ContextualSearchParams();
80 // Modern constructor, used when the content is sent in the HTTP header
81 // instead of as CGI parameters.
82 // The |version| tell the server which version of the client is making
84 // The |contextual_cards_version| tells the server which version of
85 // contextual cards integration is being used by the client.
86 // The |home_country| is an ISO country code for the country that the user
87 // considers their permanent home (which may be different from the country
88 // they are currently visiting). Pass an empty string if none available.
89 // The |previous_event_id| is an identifier previously returned by the
90 // server to identify that user interaction.
91 // The |previous_event_results| are the results of the user-interaction of
92 // that previous request.
93 // The "previous_xyz" parameters are documented in go/cs-sanitized.
94 ContextualSearchParams(int version,
95 int contextual_cards_version,
96 const std::string& home_country,
97 int64_t previous_event_id,
98 int previous_event_results);
99 ContextualSearchParams(const ContextualSearchParams& other);
100 ~ContextualSearchParams();
102 // Estimates dynamic memory usage.
103 // See base/trace_event/memory_usage_estimator.h for more info.
104 size_t EstimateMemoryUsage() const;
106 // The version of contextual search.
109 // The version of Contextual Cards data to request.
110 // A value of 0 indicates no data needed.
111 int contextual_cards_version;
113 // The locale of the user's home country in an ISO country code format,
114 // or an empty string if not available. This indicates where the user
115 // resides, not where they currently are.
116 std::string home_country;
118 // An EventID from a previous interaction (sent by server, recorded by
120 int64_t previous_event_id;
122 // An encoded set of booleans that represent the interaction results from
123 // the previous event.
124 int previous_event_results;
127 // Estimates dynamic memory usage.
128 // See base/trace_event/memory_usage_estimator.h for more info.
129 size_t EstimateMemoryUsage() const;
131 // The search terms (query).
132 base::string16 search_terms;
134 // The original (input) query.
135 base::string16 original_query;
137 // The type the original input query was identified as.
138 metrics::OmniboxInputType input_type;
140 // The optional assisted query stats, aka AQS, used for logging purposes.
141 // This string contains impressions of all autocomplete matches shown
142 // at the query submission time. For privacy reasons, we require the
143 // search provider to support HTTPS protocol in order to receive the AQS
145 // For more details, see http://goto.google.com/binary-clients-logging .
146 std::string assisted_query_stats;
148 // TODO: Remove along with "aq" CGI param.
149 int accepted_suggestion;
151 // The 0-based position of the cursor within the query string at the time
152 // the request was issued. Set to base::string16::npos if not used.
153 size_t cursor_position;
155 // The URL of the current webpage to be used for experimental zero-prefix
157 std::string current_page_url;
159 // Which omnibox the user used to type the prefix.
160 metrics::OmniboxEventProto::PageClassification page_classification;
162 // Optional session token.
163 std::string session_token;
165 // Prefetch query and type.
166 std::string prefetch_query;
167 std::string prefetch_query_type;
169 // Additional query params to append to the request.
170 std::string additional_query_params;
172 // If set, ReplaceSearchTerms() will automatically append any extra query
173 // params specified via the --extra-search-query-params command-line
174 // argument. Generally, this should be set when dealing with the search
175 // TemplateURLRefs of the default search engine and the caller cares
176 // about the query portion of the URL. Since neither TemplateURLRef nor
177 // indeed TemplateURL know whether a TemplateURL is the default search
178 // engine, callers instead must set this manually.
179 bool append_extra_query_params_from_command_line;
181 // The raw content of an image thumbnail that will be used as a query for
182 // search-by-image frontend.
183 std::string image_thumbnail_content;
185 // When searching for an image, the URL of the original image. Callers
186 // should leave this empty for images specified via data: URLs.
189 // When searching for an image, the original size of the image.
190 gfx::Size image_original_size;
192 // True if the search was made using the app list search box. Otherwise, the
193 // search was made using the omnibox.
196 ContextualSearchParams contextual_search_params;
199 TemplateURLRef(const TemplateURL* owner, Type type);
200 TemplateURLRef(const TemplateURL* owner, size_t index_in_owner);
203 TemplateURLRef(const TemplateURLRef& source);
204 TemplateURLRef& operator=(const TemplateURLRef& source);
206 // Returns the raw URL. None of the parameters will have been replaced.
207 std::string GetURL() const;
209 // Returns the raw string of the post params. Please see comments in
210 // prepopulated_engines_schema.json for the format.
211 std::string GetPostParamsString() const;
213 // Returns true if this URL supports search term replacement.
214 bool SupportsReplacement(const SearchTermsData& search_terms_data) const;
216 // Returns a string that is the result of replacing the search terms in
217 // the url with the specified arguments. We use our owner's input encoding.
219 // If this TemplateURLRef does not support replacement (SupportsReplacement
220 // returns false), an empty string is returned.
221 // If this TemplateURLRef uses POST, and |post_content| is not NULL, the
222 // |post_params_| will be replaced, encoded in "multipart/form-data" format
223 // and stored into |post_content|.
224 std::string ReplaceSearchTerms(const SearchTermsArgs& search_terms_args,
225 const SearchTermsData& search_terms_data,
226 PostContent* post_content) const;
228 // TODO(jnd): remove the following ReplaceSearchTerms definition which does
229 // not have |post_content| parameter once all reference callers pass
230 // |post_content| parameter.
231 std::string ReplaceSearchTerms(
232 const SearchTermsArgs& search_terms_args,
233 const SearchTermsData& search_terms_data) const {
234 return ReplaceSearchTerms(search_terms_args, search_terms_data, NULL);
237 // Returns true if the TemplateURLRef is valid. An invalid TemplateURLRef is
238 // one that contains unknown terms, or invalid characters.
239 bool IsValid(const SearchTermsData& search_terms_data) const;
241 // Returns a string representation of this TemplateURLRef suitable for
242 // display. The display format is the same as the format used by Firefox.
243 base::string16 DisplayURL(const SearchTermsData& search_terms_data) const;
245 // Converts a string as returned by DisplayURL back into a string as
246 // understood by TemplateURLRef.
247 static std::string DisplayURLToURLRef(const base::string16& display_url);
249 // If this TemplateURLRef is valid and contains one search term, this returns
250 // the host/path of the URL, otherwise this returns an empty string.
251 const std::string& GetHost(const SearchTermsData& search_terms_data) const;
252 std::string GetPath(const SearchTermsData& search_terms_data) const;
254 // If this TemplateURLRef is valid and contains one search term
255 // in its query or ref, this returns the key of the search term,
256 // otherwise this returns an empty string.
257 const std::string& GetSearchTermKey(
258 const SearchTermsData& search_terms_data) const;
260 // If this TemplateURLRef is valid and contains one search term,
261 // this returns the location of the search term,
262 // otherwise this returns url::Parsed::QUERY.
263 url::Parsed::ComponentType GetSearchTermKeyLocation(
264 const SearchTermsData& search_terms_data) const;
266 // If this TemplateURLRef is valid and contains one search term,
267 // this returns the fixed prefix before the search term,
268 // otherwise this returns an empty string.
269 const std::string& GetSearchTermValuePrefix(
270 const SearchTermsData& search_terms_data) const;
272 // If this TemplateURLRef is valid and contains one search term,
273 // this returns the fixed suffix after the search term,
274 // otherwise this returns an empty string.
275 const std::string& GetSearchTermValueSuffix(
276 const SearchTermsData& search_terms_data) const;
278 // Converts the specified term in our owner's encoding to a base::string16.
279 base::string16 SearchTermToString16(const base::StringPiece& term) const;
281 // Returns true if this TemplateURLRef has a replacement term of
282 // {google:baseURL} or {google:baseSuggestURL}.
283 bool HasGoogleBaseURLs(const SearchTermsData& search_terms_data) const;
285 // Use the pattern referred to by this TemplateURLRef to match the provided
286 // |url| and extract |search_terms| from it. Returns true if the pattern
287 // matches, even if |search_terms| is empty. In this case
288 // |search_term_component|, if not NULL, indicates whether the search terms
289 // were found in the query or the ref parameters; and |search_terms_position|,
290 // if not NULL, contains the position of the search terms in the query or the
291 // ref parameters. Returns false and an empty |search_terms| if the pattern
293 bool ExtractSearchTermsFromURL(
295 base::string16* search_terms,
296 const SearchTermsData& search_terms_data,
297 url::Parsed::ComponentType* search_term_component,
298 url::Component* search_terms_position) const;
300 // Whether the URL uses POST (as opposed to GET).
301 bool UsesPOSTMethod(const SearchTermsData& search_terms_data) const;
303 // Estimates dynamic memory usage.
304 // See base/trace_event/memory_usage_estimator.h for more info.
305 size_t EstimateMemoryUsage() const;
308 friend class TemplateURL;
309 friend class TemplateURLTest;
310 FRIEND_TEST_ALL_PREFIXES(TemplateURLTest, SetPrepopulatedAndParse);
311 FRIEND_TEST_ALL_PREFIXES(TemplateURLTest, ParseParameterKnown);
312 FRIEND_TEST_ALL_PREFIXES(TemplateURLTest, ParseParameterUnknown);
313 FRIEND_TEST_ALL_PREFIXES(TemplateURLTest, ParseURLEmpty);
314 FRIEND_TEST_ALL_PREFIXES(TemplateURLTest, ParseURLNoTemplateEnd);
315 FRIEND_TEST_ALL_PREFIXES(TemplateURLTest, ParseURLNoKnownParameters);
316 FRIEND_TEST_ALL_PREFIXES(TemplateURLTest, ParseURLTwoParameters);
317 FRIEND_TEST_ALL_PREFIXES(TemplateURLTest, ParseURLNestedParameter);
318 FRIEND_TEST_ALL_PREFIXES(TemplateURLTest, URLRefTestImageURLWithPOST);
320 // Enumeration of the known types.
321 enum ReplacementType {
323 GOOGLE_ASSISTED_QUERY_STATS,
325 GOOGLE_BASE_SUGGEST_URL,
326 GOOGLE_CURRENT_PAGE_URL,
327 GOOGLE_CURSOR_POSITION,
328 GOOGLE_IMAGE_ORIGINAL_HEIGHT,
329 GOOGLE_IMAGE_ORIGINAL_WIDTH,
330 GOOGLE_IMAGE_SEARCH_SOURCE,
331 GOOGLE_IMAGE_THUMBNAIL,
334 GOOGLE_IOS_SEARCH_LANGUAGE,
335 GOOGLE_NTP_IS_THEMED,
336 GOOGLE_CONTEXTUAL_SEARCH_VERSION,
337 GOOGLE_CONTEXTUAL_SEARCH_CONTEXT_DATA,
338 GOOGLE_ORIGINAL_QUERY_FOR_SUGGESTION,
339 GOOGLE_PAGE_CLASSIFICATION,
340 GOOGLE_PREFETCH_QUERY,
342 GOOGLE_SEARCH_CLIENT,
343 GOOGLE_SEARCH_FIELDTRIAL_GROUP,
344 GOOGLE_SEARCH_VERSION,
345 GOOGLE_SESSION_TOKEN,
346 GOOGLE_SUGGEST_CLIENT,
347 GOOGLE_SUGGEST_REQUEST_ID,
348 GOOGLE_UNESCAPED_SEARCH_TERMS,
355 // Used to identify an element of the raw url that can be replaced.
357 Replacement(ReplacementType type, size_t index)
358 : type(type), index(index), is_post_param(false) {}
359 ReplacementType type;
361 // Indicates the location in where the replacement is replaced. If
362 // |is_post_param| is false, |index| indicates the byte position in
363 // |parsed_url_|. Otherwise, |index| is the index of |post_params_|.
367 // Stores a single parameter for a POST.
371 std::string content_type;
373 // Estimates dynamic memory usage.
374 // See base/trace_event/memory_usage_estimator.h for more info.
375 size_t EstimateMemoryUsage() const;
378 // The list of elements to replace.
379 typedef std::vector<struct Replacement> Replacements;
380 typedef std::vector<PostParam> PostParams;
382 // TemplateURLRef internally caches values to make replacement quick. This
383 // method invalidates any cached values.
384 void InvalidateCachedValues() const;
386 // Parses the parameter in url at the specified offset. start/end specify the
387 // range of the parameter in the url, including the braces. If the parameter
388 // is valid, url is updated to reflect the appropriate parameter. If
389 // the parameter is one of the known parameters an element is added to
390 // replacements indicating the type and range of the element. The original
391 // parameter is erased from the url.
393 // If the parameter is not a known parameter, false is returned. If this is a
394 // prepopulated URL, the parameter is erased, otherwise it is left alone.
395 bool ParseParameter(size_t start,
398 Replacements* replacements) const;
400 // Parses the specified url, replacing parameters as necessary. If
401 // successful, valid is set to true, and the parsed url is returned. For all
402 // known parameters that are encountered an entry is added to replacements.
403 // If there is an error parsing the url, valid is set to false, and an empty
404 // string is returned. If the URL has the POST parameters, they will be
405 // parsed into |post_params| which will be further replaced with real search
406 // terms data and encoded in "multipart/form-data" format to generate the
408 std::string ParseURL(const std::string& url,
409 Replacements* replacements,
410 PostParams* post_params,
413 // If the url has not yet been parsed, ParseURL is invoked.
414 // NOTE: While this is const, it modifies parsed_, valid_, parsed_url_ and
416 void ParseIfNecessary(const SearchTermsData& search_terms_data) const;
418 // Parses a wildcard out of |path|, putting the parsed path in |path_prefix_|
419 // and |path_suffix_| and setting |path_wildcard_present_| to true.
420 // In the absence of a wildcard, the full path will be contained in
421 // |path_prefix_| and |path_wildcard_present_| will be false.
422 void ParsePath(const std::string& path) const;
424 // Returns whether the path portion of this template URL is equal to the path
425 // in |url|, checking that URL is prefixed/suffixed by
426 // |path_prefix_|/|path_suffix_| if |path_wildcard_present_| is true, or equal
427 // to |path_prefix_| otherwise.
428 bool PathIsEqual(const GURL& url) const;
430 // Extracts the query key and host from the url.
431 void ParseHostAndSearchTermKey(
432 const SearchTermsData& search_terms_data) const;
434 // Encode post parameters in "multipart/form-data" format and store it
435 // inside |post_content|. Returns false if errors are encountered during
436 // encoding. This method is called each time ReplaceSearchTerms gets called.
437 bool EncodeFormData(const PostParams& post_params,
438 PostContent* post_content) const;
440 // Handles a replacement by using real term data. If the replacement
441 // belongs to a PostParam, the PostParam will be replaced by the term data.
442 // Otherwise, the term data will be inserted at the place that the
443 // replacement points to.
444 void HandleReplacement(const std::string& name,
445 const std::string& value,
446 const Replacement& replacement,
447 std::string* url) const;
449 // Replaces all replacements in |parsed_url_| with their actual values and
450 // returns the result. This is the main functionality of
451 // ReplaceSearchTerms().
452 std::string HandleReplacements(
453 const SearchTermsArgs& search_terms_args,
454 const SearchTermsData& search_terms_data,
455 PostContent* post_content) const;
457 // The TemplateURL that contains us. This should outlive us.
458 const TemplateURL* owner_;
460 // What kind of URL we are.
463 // If |type_| is |INDEXED|, this |index_in_owner_| is used instead to refer to
464 // a url within our owner.
465 size_t index_in_owner_ = 0;
467 // Whether the URL has been parsed.
468 mutable bool parsed_ = false;
470 // Whether the url was successfully parsed.
471 mutable bool valid_ = false;
473 // The parsed URL. All terms have been stripped out of this with
474 // replacements_ giving the index of the terms to replace.
475 mutable std::string parsed_url_;
477 // Do we support search term replacement?
478 mutable bool supports_replacements_ = false;
480 // The replaceable parts of url (parsed_url_). These are ordered by index
481 // into the string, and may be empty.
482 mutable Replacements replacements_;
484 // Whether the path contains a wildcard.
485 mutable bool path_wildcard_present_ = false;
487 // Host, port, path, key and location of the search term. These are only set
488 // if the url contains one search term.
489 mutable std::string host_;
490 mutable std::string port_;
491 mutable std::string path_prefix_;
492 mutable std::string path_suffix_;
493 mutable std::string search_term_key_;
494 mutable url::Parsed::ComponentType search_term_key_location_ =
496 mutable std::string search_term_value_prefix_;
497 mutable std::string search_term_value_suffix_;
499 mutable PostParams post_params_;
501 // Whether the contained URL is a pre-populated URL.
502 bool prepopulated_ = false;
506 // TemplateURL ----------------------------------------------------------------
508 // A TemplateURL represents a single "search engine", defined primarily as a
509 // subset of the Open Search Description Document
510 // (http://www.opensearch.org/Specifications/OpenSearch) plus some extensions.
511 // One TemplateURL contains several TemplateURLRefs, which correspond to various
512 // different capabilities (e.g. doing searches or getting suggestions), as well
513 // as a TemplateURLData containing other details like the name, keyword, etc.
515 // TemplateURLs are intended to be read-only for most users.
516 // The TemplateURLService, which handles storing and manipulating TemplateURLs,
517 // is made a friend so that it can be the exception to this pattern.
520 using TemplateURLVector = std::vector<TemplateURL*>;
521 using OwnedTemplateURLVector = std::vector<std::unique_ptr<TemplateURL>>;
524 // Regular search engine.
526 // Installed by extension through Override Settings API.
527 NORMAL_CONTROLLED_BY_EXTENSION,
528 // The keyword associated with an extension that uses the Omnibox API.
529 OMNIBOX_API_EXTENSION,
530 // Installed only on this device. Should not be synced.
534 // An AssociatedExtensionInfo represents information about the extension that
535 // added the search engine.
536 struct AssociatedExtensionInfo {
537 AssociatedExtensionInfo(const std::string& extension_id,
538 base::Time install_time,
539 bool wants_to_be_default_engine);
540 ~AssociatedExtensionInfo();
542 // Estimates dynamic memory usage.
543 // See base/trace_event/memory_usage_estimator.h for more info.
544 size_t EstimateMemoryUsage() const;
546 std::string extension_id;
548 // Used to resolve conflicts when there are multiple extensions specifying
549 // the default search engine. The most recently-installed wins.
550 base::Time install_time;
552 // Whether the search engine is supposed to be default.
553 bool wants_to_be_default_engine;
556 explicit TemplateURL(const TemplateURLData& data, Type type = NORMAL);
558 // Constructor for extension controlled engine. |type| must be
559 // NORMAL_CONTROLLED_BY_EXTENSION or OMNIBOX_API_EXTENSION.
560 TemplateURL(const TemplateURLData& data,
562 std::string extension_id,
563 base::Time install_time,
564 bool wants_to_be_default_engine);
568 // Generates a suitable keyword for the specified url, which must be valid.
569 // This is guaranteed not to return an empty string, since TemplateURLs should
570 // never have an empty keyword.
571 static base::string16 GenerateKeyword(const GURL& url);
573 // Generates a favicon URL from the specified url.
574 static GURL GenerateFaviconURL(const GURL& url);
576 // Returns true if |t_url| and |data| are equal in all meaningful respects.
577 // Static to allow either or both params to be NULL.
578 static bool MatchesData(const TemplateURL* t_url,
579 const TemplateURLData* data,
580 const SearchTermsData& search_terms_data);
582 const TemplateURLData& data() const { return data_; }
584 const base::string16& short_name() const { return data_.short_name(); }
585 // An accessor for the short_name, but adjusted so it can be appropriately
586 // displayed even if it is LTR and the UI is RTL.
587 base::string16 AdjustedShortNameForLocaleDirection() const;
589 const base::string16& keyword() const { return data_.keyword(); }
591 const std::string& url() const { return data_.url(); }
592 const std::string& suggestions_url() const { return data_.suggestions_url; }
593 const std::string& image_url() const { return data_.image_url; }
594 const std::string& new_tab_url() const { return data_.new_tab_url; }
595 const std::string& contextual_search_url() const {
596 return data_.contextual_search_url;
598 const std::string& search_url_post_params() const {
599 return data_.search_url_post_params;
601 const std::string& suggestions_url_post_params() const {
602 return data_.suggestions_url_post_params;
604 const std::string& image_url_post_params() const {
605 return data_.image_url_post_params;
607 const std::vector<std::string>& alternate_urls() const {
608 return data_.alternate_urls;
610 const GURL& favicon_url() const { return data_.favicon_url; }
612 const GURL& logo_url() const { return data_.logo_url; }
614 const GURL& doodle_url() const { return data_.doodle_url; }
616 const GURL& originating_url() const { return data_.originating_url; }
618 bool safe_for_autoreplace() const { return data_.safe_for_autoreplace; }
620 const std::vector<std::string>& input_encodings() const {
621 return data_.input_encodings;
624 TemplateURLID id() const { return data_.id; }
626 base::Time date_created() const { return data_.date_created; }
627 base::Time last_modified() const { return data_.last_modified; }
628 base::Time last_visited() const { return data_.last_visited; }
630 bool created_by_policy() const { return data_.created_by_policy; }
632 int usage_count() const { return data_.usage_count; }
634 int prepopulate_id() const { return data_.prepopulate_id; }
636 const std::string& sync_guid() const { return data_.sync_guid; }
638 const std::vector<TemplateURLRef>& url_refs() const { return url_refs_; }
639 const TemplateURLRef& url_ref() const {
640 // Sanity check for https://crbug.com/781703.
641 CHECK(!url_refs_.empty());
642 return url_refs_.back();
644 const TemplateURLRef& suggestions_url_ref() const {
645 return suggestions_url_ref_;
647 const TemplateURLRef& image_url_ref() const { return image_url_ref_; }
648 const TemplateURLRef& new_tab_url_ref() const { return new_tab_url_ref_; }
649 const TemplateURLRef& contextual_search_url_ref() const {
650 return contextual_search_url_ref_;
653 Type type() const { return type_; }
655 const AssociatedExtensionInfo* GetExtensionInfoForTesting() const {
656 return extension_info_.get();
659 // Returns true if |url| supports replacement.
660 bool SupportsReplacement(const SearchTermsData& search_terms_data) const;
662 // Returns true if any URLRefs use Googe base URLs.
663 bool HasGoogleBaseURLs(const SearchTermsData& search_terms_data) const;
665 // Returns true if this TemplateURL uses Google base URLs and has a keyword
666 // of "google.TLD". We use this to decide whether we can automatically
667 // update the keyword to reflect the current Google base URL TLD.
668 bool IsGoogleSearchURLWithReplaceableKeyword(
669 const SearchTermsData& search_terms_data) const;
671 // Returns true if the keywords match or if
672 // IsGoogleSearchURLWithReplaceableKeyword() is true for both |this| and
674 bool HasSameKeywordAs(const TemplateURLData& other,
675 const SearchTermsData& search_terms_data) const;
677 // Returns the id of the extension that added this search engine. Only call
678 // this for TemplateURLs of type NORMAL_CONTROLLED_BY_EXTENSION or
679 // OMNIBOX_API_EXTENSION.
680 std::string GetExtensionId() const;
682 // Returns the type of this search engine, or SEARCH_ENGINE_OTHER if no
684 SearchEngineType GetEngineType(
685 const SearchTermsData& search_terms_data) const;
687 // Use the alternate URLs and the search URL to match the provided |url|
688 // and extract |search_terms| from it. Returns false and an empty
689 // |search_terms| if no search terms can be matched. The URLs are matched in
690 // the order listed in |url_refs_| (see comment there).
691 bool ExtractSearchTermsFromURL(const GURL& url,
692 const SearchTermsData& search_terms_data,
693 base::string16* search_terms) const;
695 // Returns true if non-empty search terms could be extracted from |url| using
696 // ExtractSearchTermsFromURL(). In other words, this returns whether |url|
697 // could be the result of performing a search with |this|.
698 bool IsSearchURL(const GURL& url,
699 const SearchTermsData& search_terms_data) const;
701 // Given a |url| corresponding to this TemplateURL, identifies the search
702 // terms and replaces them with the ones in |search_terms_args|, leaving the
703 // other parameters untouched. If the replacement fails, returns false and
704 // leaves |result| untouched. This is used by mobile ports to perform query
706 bool ReplaceSearchTermsInURL(
708 const TemplateURLRef::SearchTermsArgs& search_terms_args,
709 const SearchTermsData& search_terms_data,
712 // Encodes the search terms from |search_terms_args| so that we know the
713 // |input_encoding|. Returns the |encoded_terms| and the
714 // |encoded_original_query|. |encoded_terms| may be escaped as path or query
715 // depending on |is_in_query|; |encoded_original_query| is always escaped as
717 void EncodeSearchTerms(
718 const TemplateURLRef::SearchTermsArgs& search_terms_args,
720 std::string* input_encoding,
721 base::string16* encoded_terms,
722 base::string16* encoded_original_query) const;
724 // Returns the search url for this template URL.
725 // Returns an empty GURL if this template URL has no url().
726 GURL GenerateSearchURL(const SearchTermsData& search_terms_data) const;
728 // TemplateURL internally caches values derived from a passed SearchTermsData
729 // to make its functions quick. This method invalidates any cached values and
730 // it should be called after SearchTermsData has been changed.
731 void InvalidateCachedValues() const;
733 // Estimates dynamic memory usage.
734 // See base/trace_event/memory_usage_estimator.h for more info.
735 size_t EstimateMemoryUsage() const;
738 friend class TemplateURLService;
740 void CopyFrom(const TemplateURL& other);
742 void SetURL(const std::string& url);
743 void SetPrepopulateId(int id);
745 // Resets the keyword if IsGoogleSearchURLWithReplaceableKeyword() or |force|.
746 // The |force| parameter is useful when the existing keyword is known to be
747 // a placeholder. The resulting keyword is generated using
748 // GenerateSearchURL() and GenerateKeyword().
749 void ResetKeywordIfNecessary(const SearchTermsData& search_terms_data,
752 // Resizes the |url_refs_| vector, which always holds the search URL as the
754 void ResizeURLRefVector();
756 // Uses the alternate URLs and the search URL to match the provided |url|
757 // and extract |search_terms| from it as well as the |search_terms_component|
758 // (either REF or QUERY) and |search_terms_component| at which the
759 // |search_terms| are found in |url|. See also ExtractSearchTermsFromURL().
760 bool FindSearchTermsInURL(const GURL& url,
761 const SearchTermsData& search_terms_data,
762 base::string16* search_terms,
763 url::Parsed::ComponentType* search_terms_component,
764 url::Component* search_terms_position) const;
766 TemplateURLData data_;
768 // Contains TemplateURLRefs corresponding to the alternate URLs and the search
769 // URL, in priority order: the URL at index 0 is treated as the highest
770 // priority and the primary search URL is treated as the lowest priority. For
771 // example, if a TemplateURL has alternate URL "http://foo/#q={searchTerms}"
772 // and search URL "http://foo/?q={searchTerms}", and the URL to be decoded is
773 // "http://foo/?q=a#q=b", the alternate URL will match first and the decoded
774 // search term will be "b". Note that since every TemplateURLRef has a
775 // primary search URL, this vector is never empty.
776 std::vector<TemplateURLRef> url_refs_;
778 TemplateURLRef suggestions_url_ref_;
779 TemplateURLRef image_url_ref_;
780 TemplateURLRef new_tab_url_ref_;
781 TemplateURLRef contextual_search_url_ref_;
782 std::unique_ptr<AssociatedExtensionInfo> extension_info_;
786 // Caches the computed engine type across successive calls to GetEngineType().
787 mutable SearchEngineType engine_type_;
789 // TODO(sky): Add date last parsed OSD file.
791 DISALLOW_COPY_AND_ASSIGN(TemplateURL);
794 #endif // COMPONENTS_SEARCH_ENGINES_TEMPLATE_URL_H_