autofill_manager.cc revision a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7 
1// Copyright 2013 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.
4
5#include "components/autofill/core/browser/autofill_manager.h"
6
7#include <stddef.h>
8
9#include <limits>
10#include <map>
11#include <set>
12#include <utility>
13
14#include "base/bind.h"
15#include "base/command_line.h"
16#include "base/guid.h"
17#include "base/logging.h"
18#include "base/prefs/pref_service.h"
19#include "base/strings/string16.h"
20#include "base/strings/string_util.h"
21#include "base/strings/utf_string_conversions.h"
22#include "base/threading/sequenced_worker_pool.h"
23#include "components/autofill/core/browser/autocomplete_history_manager.h"
24#include "components/autofill/core/browser/autofill_data_model.h"
25#include "components/autofill/core/browser/autofill_driver.h"
26#include "components/autofill/core/browser/autofill_external_delegate.h"
27#include "components/autofill/core/browser/autofill_field.h"
28#include "components/autofill/core/browser/autofill_manager_delegate.h"
29#include "components/autofill/core/browser/autofill_manager_test_delegate.h"
30#include "components/autofill/core/browser/autofill_metrics.h"
31#include "components/autofill/core/browser/autofill_profile.h"
32#include "components/autofill/core/browser/autofill_type.h"
33#include "components/autofill/core/browser/credit_card.h"
34#include "components/autofill/core/browser/form_structure.h"
35#include "components/autofill/core/browser/personal_data_manager.h"
36#include "components/autofill/core/browser/phone_number.h"
37#include "components/autofill/core/browser/phone_number_i18n.h"
38#include "components/autofill/core/common/autofill_messages.h"
39#include "components/autofill/core/common/autofill_pref_names.h"
40#include "components/autofill/core/common/autofill_switches.h"
41#include "components/autofill/core/common/form_data.h"
42#include "components/autofill/core/common/form_data_predictions.h"
43#include "components/autofill/core/common/form_field_data.h"
44#include "components/autofill/core/common/password_form_fill_data.h"
45#include "components/user_prefs/pref_registry_syncable.h"
46#include "grit/component_strings.h"
47#include "third_party/WebKit/public/web/WebAutofillClient.h"
48#include "ui/base/l10n/l10n_util.h"
49#include "ui/gfx/rect.h"
50#include "url/gurl.h"
51
52namespace autofill {
53
54typedef PersonalDataManager::GUIDPair GUIDPair;
55
56using base::TimeTicks;
57
58namespace {
59
60// We only send a fraction of the forms to upload server.
61// The rate for positive/negative matches potentially could be different.
62const double kAutofillPositiveUploadRateDefaultValue = 0.20;
63const double kAutofillNegativeUploadRateDefaultValue = 0.20;
64
65const size_t kMaxRecentFormSignaturesToRemember = 3;
66
67// Set a conservative upper bound on the number of forms we are willing to
68// cache, simply to prevent unbounded memory consumption.
69const size_t kMaxFormCacheSize = 100;
70
71// Removes duplicate suggestions whilst preserving their original order.
72void RemoveDuplicateSuggestions(std::vector<base::string16>* values,
73                                std::vector<base::string16>* labels,
74                                std::vector<base::string16>* icons,
75                                std::vector<int>* unique_ids) {
76  DCHECK_EQ(values->size(), labels->size());
77  DCHECK_EQ(values->size(), icons->size());
78  DCHECK_EQ(values->size(), unique_ids->size());
79
80  std::set<std::pair<base::string16, base::string16> > seen_suggestions;
81  std::vector<base::string16> values_copy;
82  std::vector<base::string16> labels_copy;
83  std::vector<base::string16> icons_copy;
84  std::vector<int> unique_ids_copy;
85
86  for (size_t i = 0; i < values->size(); ++i) {
87    const std::pair<base::string16, base::string16> suggestion(
88        (*values)[i], (*labels)[i]);
89    if (seen_suggestions.insert(suggestion).second) {
90      values_copy.push_back((*values)[i]);
91      labels_copy.push_back((*labels)[i]);
92      icons_copy.push_back((*icons)[i]);
93      unique_ids_copy.push_back((*unique_ids)[i]);
94    }
95  }
96
97  values->swap(values_copy);
98  labels->swap(labels_copy);
99  icons->swap(icons_copy);
100  unique_ids->swap(unique_ids_copy);
101}
102
103// Precondition: |form_structure| and |form| should correspond to the same
104// logical form.  Returns true if any field in the given |section| within |form|
105// is auto-filled.
106bool SectionIsAutofilled(const FormStructure& form_structure,
107                         const FormData& form,
108                         const std::string& section) {
109  DCHECK_EQ(form_structure.field_count(), form.fields.size());
110  for (size_t i = 0; i < form_structure.field_count(); ++i) {
111    if (form_structure.field(i)->section() == section &&
112        form.fields[i].is_autofilled) {
113      return true;
114    }
115  }
116
117  return false;
118}
119
120bool FormIsHTTPS(const FormStructure& form) {
121  // TODO(blundell): Change this to use a constant once crbug.com/306258 is
122  // fixed.
123  return form.source_url().SchemeIs("https");
124}
125
126// Uses the existing personal data in |profiles| and |credit_cards| to determine
127// possible field types for the |submitted_form|.  This is potentially
128// expensive -- on the order of 50ms even for a small set of |stored_data|.
129// Hence, it should not run on the UI thread -- to avoid locking up the UI --
130// nor on the IO thread -- to avoid blocking IPC calls.
131void DeterminePossibleFieldTypesForUpload(
132    const std::vector<AutofillProfile>& profiles,
133    const std::vector<CreditCard>& credit_cards,
134    const std::string& app_locale,
135    FormStructure* submitted_form) {
136  // For each field in the |submitted_form|, extract the value.  Then for each
137  // profile or credit card, identify any stored types that match the value.
138  for (size_t i = 0; i < submitted_form->field_count(); ++i) {
139    AutofillField* field = submitted_form->field(i);
140    ServerFieldTypeSet matching_types;
141
142    // If it's a password field, set the type directly.
143    if (field->form_control_type == "password") {
144      matching_types.insert(autofill::PASSWORD);
145    } else {
146      base::string16 value;
147      TrimWhitespace(field->value, TRIM_ALL, &value);
148      for (std::vector<AutofillProfile>::const_iterator it = profiles.begin();
149           it != profiles.end(); ++it) {
150        it->GetMatchingTypes(value, app_locale, &matching_types);
151      }
152      for (std::vector<CreditCard>::const_iterator it = credit_cards.begin();
153            it != credit_cards.end(); ++it) {
154        it->GetMatchingTypes(value, app_locale, &matching_types);
155      }
156    }
157
158    if (matching_types.empty())
159      matching_types.insert(UNKNOWN_TYPE);
160
161    field->set_possible_types(matching_types);
162  }
163}
164
165}  // namespace
166
167AutofillManager::AutofillManager(
168    AutofillDriver* driver,
169    autofill::AutofillManagerDelegate* delegate,
170    const std::string& app_locale,
171    AutofillDownloadManagerState enable_download_manager)
172    : driver_(driver),
173      manager_delegate_(delegate),
174      app_locale_(app_locale),
175      personal_data_(delegate->GetPersonalDataManager()),
176      autocomplete_history_manager_(
177          new AutocompleteHistoryManager(driver, delegate)),
178      metric_logger_(new AutofillMetrics),
179      has_logged_autofill_enabled_(false),
180      has_logged_address_suggestions_count_(false),
181      did_show_suggestions_(false),
182      user_did_type_(false),
183      user_did_autofill_(false),
184      user_did_edit_autofilled_field_(false),
185      external_delegate_(NULL),
186      test_delegate_(NULL),
187      weak_ptr_factory_(this) {
188  if (enable_download_manager == ENABLE_AUTOFILL_DOWNLOAD_MANAGER) {
189    download_manager_.reset(
190        new AutofillDownloadManager(driver,
191                                    manager_delegate_->GetPrefs(),
192                                    this));
193  }
194}
195
196AutofillManager::~AutofillManager() {}
197
198// static
199void AutofillManager::RegisterProfilePrefs(
200    user_prefs::PrefRegistrySyncable* registry) {
201  registry->RegisterBooleanPref(
202      prefs::kAutofillEnabled,
203      true,
204      user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
205#if defined(OS_MACOSX) || defined(OS_ANDROID)
206  registry->RegisterBooleanPref(
207      prefs::kAutofillAuxiliaryProfilesEnabled,
208      true,
209      user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
210#else
211  registry->RegisterBooleanPref(
212      prefs::kAutofillAuxiliaryProfilesEnabled,
213      false,
214      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
215#endif
216  registry->RegisterDoublePref(
217      prefs::kAutofillPositiveUploadRate,
218      kAutofillPositiveUploadRateDefaultValue,
219      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
220  registry->RegisterDoublePref(
221      prefs::kAutofillNegativeUploadRate,
222      kAutofillNegativeUploadRateDefaultValue,
223      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
224}
225
226void AutofillManager::SetExternalDelegate(AutofillExternalDelegate* delegate) {
227  // TODO(jrg): consider passing delegate into the ctor.  That won't
228  // work if the delegate has a pointer to the AutofillManager, but
229  // future directions may not need such a pointer.
230  external_delegate_ = delegate;
231  autocomplete_history_manager_->SetExternalDelegate(delegate);
232}
233
234bool AutofillManager::OnFormSubmitted(const FormData& form,
235                                      const TimeTicks& timestamp) {
236  // Let Autocomplete know as well.
237  autocomplete_history_manager_->OnFormSubmitted(form);
238
239  // Grab a copy of the form data.
240  scoped_ptr<FormStructure> submitted_form(new FormStructure(form));
241
242  if (!ShouldUploadForm(*submitted_form))
243    return false;
244
245  // Don't save data that was submitted through JavaScript.
246  if (!form.user_submitted)
247    return false;
248
249  // Ignore forms not present in our cache.  These are typically forms with
250  // wonky JavaScript that also makes them not auto-fillable.
251  FormStructure* cached_submitted_form;
252  if (!FindCachedForm(form, &cached_submitted_form))
253    return false;
254
255  submitted_form->UpdateFromCache(*cached_submitted_form);
256  if (submitted_form->IsAutofillable(true))
257    ImportFormData(*submitted_form);
258
259  // Only upload server statistics and UMA metrics if at least some local data
260  // is available to use as a baseline.
261  const std::vector<AutofillProfile*>& profiles = personal_data_->GetProfiles();
262  const std::vector<CreditCard*>& credit_cards =
263      personal_data_->GetCreditCards();
264  if (!profiles.empty() || !credit_cards.empty()) {
265    // Copy the profile and credit card data, so that it can be accessed on a
266    // separate thread.
267    std::vector<AutofillProfile> copied_profiles;
268    copied_profiles.reserve(profiles.size());
269    for (std::vector<AutofillProfile*>::const_iterator it = profiles.begin();
270         it != profiles.end(); ++it) {
271      copied_profiles.push_back(**it);
272    }
273
274    std::vector<CreditCard> copied_credit_cards;
275    copied_credit_cards.reserve(credit_cards.size());
276    for (std::vector<CreditCard*>::const_iterator it = credit_cards.begin();
277         it != credit_cards.end(); ++it) {
278      copied_credit_cards.push_back(**it);
279    }
280
281    // Note that ownership of |submitted_form| is passed to the second task,
282    // using |base::Owned|.
283    FormStructure* raw_submitted_form = submitted_form.get();
284    driver_->GetBlockingPool()->PostTaskAndReply(
285        FROM_HERE,
286        base::Bind(&DeterminePossibleFieldTypesForUpload,
287                   copied_profiles,
288                   copied_credit_cards,
289                   app_locale_,
290                   raw_submitted_form),
291        base::Bind(&AutofillManager::UploadFormDataAsyncCallback,
292                   weak_ptr_factory_.GetWeakPtr(),
293                   base::Owned(submitted_form.release()),
294                   forms_loaded_timestamp_,
295                   initial_interaction_timestamp_,
296                   timestamp));
297  }
298
299  return true;
300}
301
302void AutofillManager::OnFormsSeen(const std::vector<FormData>& forms,
303                                  const TimeTicks& timestamp,
304                                  autofill::FormsSeenState state) {
305  bool is_post_document_load = state == autofill::DYNAMIC_FORMS_SEEN;
306  // If new forms were added dynamically, treat as a new page.
307  if (is_post_document_load)
308    Reset();
309
310  if (!driver_->RendererIsAvailable())
311    return;
312
313  bool enabled = IsAutofillEnabled();
314  if (!has_logged_autofill_enabled_) {
315    metric_logger_->LogIsAutofillEnabledAtPageLoad(enabled);
316    has_logged_autofill_enabled_ = true;
317  }
318
319  if (!enabled)
320    return;
321
322  forms_loaded_timestamp_ = timestamp;
323  ParseForms(forms);
324}
325
326void AutofillManager::OnTextFieldDidChange(const FormData& form,
327                                           const FormFieldData& field,
328                                           const TimeTicks& timestamp) {
329  FormStructure* form_structure = NULL;
330  AutofillField* autofill_field = NULL;
331  if (!GetCachedFormAndField(form, field, &form_structure, &autofill_field))
332    return;
333
334  if (!user_did_type_) {
335    user_did_type_ = true;
336    metric_logger_->LogUserHappinessMetric(AutofillMetrics::USER_DID_TYPE);
337  }
338
339  if (autofill_field->is_autofilled) {
340    autofill_field->is_autofilled = false;
341    metric_logger_->LogUserHappinessMetric(
342        AutofillMetrics::USER_DID_EDIT_AUTOFILLED_FIELD);
343
344    if (!user_did_edit_autofilled_field_) {
345      user_did_edit_autofilled_field_ = true;
346      metric_logger_->LogUserHappinessMetric(
347          AutofillMetrics::USER_DID_EDIT_AUTOFILLED_FIELD_ONCE);
348    }
349  }
350
351  UpdateInitialInteractionTimestamp(timestamp);
352}
353
354void AutofillManager::OnQueryFormFieldAutofill(int query_id,
355                                               const FormData& form,
356                                               const FormFieldData& field,
357                                               const gfx::RectF& bounding_box,
358                                               bool display_warning) {
359  std::vector<base::string16> values;
360  std::vector<base::string16> labels;
361  std::vector<base::string16> icons;
362  std::vector<int> unique_ids;
363
364  external_delegate_->OnQuery(query_id,
365                              form,
366                              field,
367                              bounding_box,
368                              display_warning);
369  FormStructure* form_structure = NULL;
370  AutofillField* autofill_field = NULL;
371  if (RefreshDataModels() &&
372      driver_->RendererIsAvailable() &&
373      GetCachedFormAndField(form, field, &form_structure, &autofill_field) &&
374      // Don't send suggestions for forms that aren't auto-fillable.
375      form_structure->IsAutofillable(false)) {
376    AutofillType type = autofill_field->Type();
377    bool is_filling_credit_card = (type.group() == CREDIT_CARD);
378    if (is_filling_credit_card) {
379      GetCreditCardSuggestions(
380          field, type, &values, &labels, &icons, &unique_ids);
381    } else {
382      GetProfileSuggestions(
383          form_structure, field, type, &values, &labels, &icons, &unique_ids);
384    }
385
386    DCHECK_EQ(values.size(), labels.size());
387    DCHECK_EQ(values.size(), icons.size());
388    DCHECK_EQ(values.size(), unique_ids.size());
389
390    if (!values.empty()) {
391      // Don't provide Autofill suggestions when Autofill is disabled, and don't
392      // provide credit card suggestions for non-HTTPS pages. However, provide a
393      // warning to the user in these cases.
394      int warning = 0;
395      if (!form_structure->IsAutofillable(true))
396        warning = IDS_AUTOFILL_WARNING_FORM_DISABLED;
397      else if (is_filling_credit_card && !FormIsHTTPS(*form_structure))
398        warning = IDS_AUTOFILL_WARNING_INSECURE_CONNECTION;
399      if (warning) {
400        values.assign(1, l10n_util::GetStringUTF16(warning));
401        labels.assign(1, base::string16());
402        icons.assign(1, base::string16());
403        unique_ids.assign(1,
404                          blink::WebAutofillClient::MenuItemIDWarningMessage);
405      } else {
406        bool section_is_autofilled =
407            SectionIsAutofilled(*form_structure, form,
408                                autofill_field->section());
409        if (section_is_autofilled) {
410          // If the relevant section is auto-filled and the renderer is querying
411          // for suggestions, then the user is editing the value of a field.
412          // In this case, mimic autocomplete: don't display labels or icons,
413          // as that information is redundant.
414          labels.assign(labels.size(), base::string16());
415          icons.assign(icons.size(), base::string16());
416        }
417
418        // When filling credit card suggestions, the values and labels are
419        // typically obfuscated, which makes detecting duplicates hard.  Since
420        // duplicates only tend to be a problem when filling address forms
421        // anyway, only don't de-dup credit card suggestions.
422        if (!is_filling_credit_card)
423          RemoveDuplicateSuggestions(&values, &labels, &icons, &unique_ids);
424
425        // The first time we show suggestions on this page, log the number of
426        // suggestions shown.
427        if (!has_logged_address_suggestions_count_ && !section_is_autofilled) {
428          metric_logger_->LogAddressSuggestionsCount(values.size());
429          has_logged_address_suggestions_count_ = true;
430        }
431      }
432    }
433  }
434
435  // Add the results from AutoComplete.  They come back asynchronously, so we
436  // hand off what we generated and they will send the results back to the
437  // renderer.
438  autocomplete_history_manager_->OnGetAutocompleteSuggestions(
439      query_id, field.name, field.value, values, labels, icons, unique_ids);
440}
441
442void AutofillManager::OnFillAutofillFormData(int query_id,
443                                             const FormData& form,
444                                             const FormFieldData& field,
445                                             int unique_id) {
446  const AutofillDataModel* data_model = NULL;
447  size_t variant = 0;
448  FormStructure* form_structure = NULL;
449  AutofillField* autofill_field = NULL;
450  // NOTE: RefreshDataModels may invalidate |data_model| because it causes the
451  // PersonalDataManager to reload Mac address book entries. Thus it must come
452  // before GetProfileOrCreditCard.
453  if (!RefreshDataModels() ||
454      !driver_->RendererIsAvailable() ||
455      !GetProfileOrCreditCard(unique_id, &data_model, &variant) ||
456      !GetCachedFormAndField(form, field, &form_structure, &autofill_field))
457    return;
458
459  DCHECK(form_structure);
460  DCHECK(autofill_field);
461
462  FormData result = form;
463
464  // If the relevant section is auto-filled, we should fill |field| but not the
465  // rest of the form.
466  if (SectionIsAutofilled(*form_structure, form, autofill_field->section())) {
467    for (std::vector<FormFieldData>::iterator iter = result.fields.begin();
468         iter != result.fields.end(); ++iter) {
469      if ((*iter) == field) {
470        base::string16 value = data_model->GetInfoForVariant(
471            autofill_field->Type(), variant, app_locale_);
472        AutofillField::FillFormField(*autofill_field, value, app_locale_,
473                                     &(*iter));
474        // Mark the cached field as autofilled, so that we can detect when a
475        // user edits an autofilled field (for metrics).
476        autofill_field->is_autofilled = true;
477        break;
478      }
479    }
480
481    driver_->SendFormDataToRenderer(query_id, result);
482    return;
483  }
484
485  // Cache the field type for the field from which the user initiated autofill.
486  FieldTypeGroup initiating_group_type = autofill_field->Type().group();
487  DCHECK_EQ(form_structure->field_count(), form.fields.size());
488  for (size_t i = 0; i < form_structure->field_count(); ++i) {
489    if (form_structure->field(i)->section() != autofill_field->section())
490      continue;
491
492    DCHECK_EQ(*form_structure->field(i), result.fields[i]);
493
494    const AutofillField* cached_field = form_structure->field(i);
495    FieldTypeGroup field_group_type = cached_field->Type().group();
496    if (field_group_type != NO_GROUP) {
497      // If the field being filled is either
498      //   (a) the field that the user initiated the fill from, or
499      //   (b) part of the same logical unit, e.g. name or phone number,
500      // then take the multi-profile "variant" into account.
501      // Otherwise fill with the default (zeroth) variant.
502      size_t use_variant = 0;
503      if (result.fields[i] == field ||
504          field_group_type == initiating_group_type) {
505        use_variant = variant;
506      }
507      base::string16 value = data_model->GetInfoForVariant(
508          cached_field->Type(), use_variant, app_locale_);
509      AutofillField::FillFormField(*cached_field, value, app_locale_,
510                                   &result.fields[i]);
511      // Mark the cached field as autofilled, so that we can detect when a user
512      // edits an autofilled field (for metrics).
513      form_structure->field(i)->is_autofilled = true;
514    }
515  }
516
517  autofilled_form_signatures_.push_front(form_structure->FormSignature());
518  // Only remember the last few forms that we've seen, both to avoid false
519  // positives and to avoid wasting memory.
520  if (autofilled_form_signatures_.size() > kMaxRecentFormSignaturesToRemember)
521    autofilled_form_signatures_.pop_back();
522
523  driver_->SendFormDataToRenderer(query_id, result);
524}
525
526void AutofillManager::OnShowAutofillDialog() {
527  manager_delegate_->ShowAutofillSettings();
528}
529
530void AutofillManager::OnDidPreviewAutofillFormData() {
531  if (test_delegate_)
532    test_delegate_->DidPreviewFormData();
533}
534
535void AutofillManager::OnDidFillAutofillFormData(const TimeTicks& timestamp) {
536  if (test_delegate_)
537    test_delegate_->DidFillFormData();
538
539  metric_logger_->LogUserHappinessMetric(AutofillMetrics::USER_DID_AUTOFILL);
540  if (!user_did_autofill_) {
541    user_did_autofill_ = true;
542    metric_logger_->LogUserHappinessMetric(
543        AutofillMetrics::USER_DID_AUTOFILL_ONCE);
544  }
545
546  UpdateInitialInteractionTimestamp(timestamp);
547}
548
549void AutofillManager::OnDidShowAutofillSuggestions(bool is_new_popup) {
550  if (test_delegate_)
551    test_delegate_->DidShowSuggestions();
552
553  if (is_new_popup) {
554    metric_logger_->LogUserHappinessMetric(AutofillMetrics::SUGGESTIONS_SHOWN);
555
556    if (!did_show_suggestions_) {
557      did_show_suggestions_ = true;
558      metric_logger_->LogUserHappinessMetric(
559          AutofillMetrics::SUGGESTIONS_SHOWN_ONCE);
560    }
561  }
562}
563
564void AutofillManager::OnHideAutofillUI() {
565  if (!IsAutofillEnabled())
566    return;
567
568  manager_delegate_->HideAutofillPopup();
569}
570
571void AutofillManager::RemoveAutofillProfileOrCreditCard(int unique_id) {
572  const AutofillDataModel* data_model = NULL;
573  size_t variant = 0;
574  if (!GetProfileOrCreditCard(unique_id, &data_model, &variant)) {
575    NOTREACHED();
576    return;
577  }
578
579  // TODO(csharp): If we are dealing with a variant only the variant should
580  // be deleted, instead of doing nothing.
581  // http://crbug.com/124211
582  if (variant != 0)
583    return;
584
585  personal_data_->RemoveByGUID(data_model->guid());
586}
587
588void AutofillManager::RemoveAutocompleteEntry(const base::string16& name,
589                                              const base::string16& value) {
590  autocomplete_history_manager_->OnRemoveAutocompleteEntry(name, value);
591}
592
593const std::vector<FormStructure*>& AutofillManager::GetFormStructures() {
594  return form_structures_.get();
595}
596
597void AutofillManager::SetTestDelegate(
598    autofill::AutofillManagerTestDelegate* delegate) {
599  test_delegate_ = delegate;
600}
601
602void AutofillManager::OnAddPasswordFormMapping(
603      const FormFieldData& form,
604      const PasswordFormFillData& fill_data) {
605  external_delegate_->AddPasswordFormMapping(form, fill_data);
606}
607
608void AutofillManager::OnShowPasswordSuggestions(
609    const FormFieldData& field,
610    const gfx::RectF& bounds,
611    const std::vector<base::string16>& suggestions,
612    const std::vector<base::string16>& realms) {
613  external_delegate_->OnShowPasswordSuggestions(suggestions,
614                                                realms,
615                                                field,
616                                                bounds);
617}
618
619void AutofillManager::OnSetDataList(const std::vector<base::string16>& values,
620                                    const std::vector<base::string16>& labels) {
621  if (values.size() != labels.size())
622    return;
623
624  external_delegate_->SetCurrentDataListValues(values, labels);
625}
626
627void AutofillManager::OnLoadedServerPredictions(
628    const std::string& response_xml) {
629  // Parse and store the server predictions.
630  FormStructure::ParseQueryResponse(response_xml,
631                                    form_structures_.get(),
632                                    *metric_logger_);
633
634  // Forward form structures to the password generation manager to detect
635  // account creation forms.
636  manager_delegate_->DetectAccountCreationForms(form_structures_.get());
637
638  // If the corresponding flag is set, annotate forms with the predicted types.
639  driver_->SendAutofillTypePredictionsToRenderer(form_structures_.get());
640}
641
642void AutofillManager::OnDidEndTextFieldEditing() {
643  external_delegate_->DidEndTextFieldEditing();
644}
645
646bool AutofillManager::IsAutofillEnabled() const {
647  return manager_delegate_->GetPrefs()->GetBoolean(prefs::kAutofillEnabled);
648}
649
650void AutofillManager::ImportFormData(const FormStructure& submitted_form) {
651  scoped_ptr<CreditCard> imported_credit_card;
652  if (!personal_data_->ImportFormData(submitted_form, &imported_credit_card))
653    return;
654
655  // If credit card information was submitted, we need to confirm whether to
656  // save it.
657  if (imported_credit_card) {
658    manager_delegate_->ConfirmSaveCreditCard(
659        *metric_logger_,
660        base::Bind(
661            base::IgnoreResult(&PersonalDataManager::SaveImportedCreditCard),
662            base::Unretained(personal_data_), *imported_credit_card));
663  }
664}
665
666// Note that |submitted_form| is passed as a pointer rather than as a reference
667// so that we can get memory management right across threads.  Note also that we
668// explicitly pass in all the time stamps of interest, as the cached ones might
669// get reset before this method executes.
670void AutofillManager::UploadFormDataAsyncCallback(
671    const FormStructure* submitted_form,
672    const TimeTicks& load_time,
673    const TimeTicks& interaction_time,
674    const TimeTicks& submission_time) {
675  submitted_form->LogQualityMetrics(*metric_logger_,
676                                    load_time,
677                                    interaction_time,
678                                    submission_time);
679
680  if (submitted_form->ShouldBeCrowdsourced())
681    UploadFormData(*submitted_form);
682}
683
684void AutofillManager::UploadFormData(const FormStructure& submitted_form) {
685  if (!download_manager_)
686    return;
687
688  // Check if the form is among the forms that were recently auto-filled.
689  bool was_autofilled = false;
690  std::string form_signature = submitted_form.FormSignature();
691  for (std::list<std::string>::const_iterator it =
692           autofilled_form_signatures_.begin();
693       it != autofilled_form_signatures_.end() && !was_autofilled;
694       ++it) {
695    if (*it == form_signature)
696      was_autofilled = true;
697  }
698
699  ServerFieldTypeSet non_empty_types;
700  personal_data_->GetNonEmptyTypes(&non_empty_types);
701  // Always add PASSWORD to |non_empty_types| so that if |submitted_form|
702  // contains a password field it will be uploaded to the server. If
703  // |submitted_form| doesn't contain a password field, there is no side
704  // effect from adding PASSWORD to |non_empty_types|.
705  non_empty_types.insert(autofill::PASSWORD);
706
707  download_manager_->StartUploadRequest(submitted_form, was_autofilled,
708                                        non_empty_types);
709}
710
711bool AutofillManager::UploadPasswordGenerationForm(const FormData& form) {
712  FormStructure form_structure(form);
713
714  if (!ShouldUploadForm(form_structure))
715    return false;
716
717  if (!form_structure.ShouldBeCrowdsourced())
718    return false;
719
720  // TODO(gcasto): Check that PasswordGeneration is enabled?
721
722  // Find the first password field to label. We don't try to label anything
723  // else.
724  bool found_password_field = false;
725  for (size_t i = 0; i < form_structure.field_count(); ++i) {
726    AutofillField* field = form_structure.field(i);
727
728    ServerFieldTypeSet types;
729    if (!found_password_field && field->form_control_type == "password") {
730      types.insert(ACCOUNT_CREATION_PASSWORD);
731      found_password_field = true;
732    } else {
733      types.insert(UNKNOWN_TYPE);
734    }
735    field->set_possible_types(types);
736  }
737  DCHECK(found_password_field);
738
739  // Only one field type should be present.
740  ServerFieldTypeSet available_field_types;
741  available_field_types.insert(ACCOUNT_CREATION_PASSWORD);
742
743  // Force uploading as these events are relatively rare and we want to make
744  // sure to receive them. It also makes testing easier if these requests
745  // always pass.
746  form_structure.set_upload_required(UPLOAD_REQUIRED);
747
748  if (!download_manager_)
749    return false;
750
751  return download_manager_->StartUploadRequest(form_structure,
752                                               false /* was_autofilled */,
753                                               available_field_types);
754}
755
756void AutofillManager::Reset() {
757  form_structures_.clear();
758  has_logged_autofill_enabled_ = false;
759  has_logged_address_suggestions_count_ = false;
760  did_show_suggestions_ = false;
761  user_did_type_ = false;
762  user_did_autofill_ = false;
763  user_did_edit_autofilled_field_ = false;
764  forms_loaded_timestamp_ = TimeTicks();
765  initial_interaction_timestamp_ = TimeTicks();
766  external_delegate_->Reset();
767}
768
769AutofillManager::AutofillManager(AutofillDriver* driver,
770                                 autofill::AutofillManagerDelegate* delegate,
771                                 PersonalDataManager* personal_data)
772    : driver_(driver),
773      manager_delegate_(delegate),
774      app_locale_("en-US"),
775      personal_data_(personal_data),
776      autocomplete_history_manager_(
777          new AutocompleteHistoryManager(driver, delegate)),
778      metric_logger_(new AutofillMetrics),
779      has_logged_autofill_enabled_(false),
780      has_logged_address_suggestions_count_(false),
781      did_show_suggestions_(false),
782      user_did_type_(false),
783      user_did_autofill_(false),
784      user_did_edit_autofilled_field_(false),
785      external_delegate_(NULL),
786      test_delegate_(NULL),
787      weak_ptr_factory_(this) {
788  DCHECK(driver_);
789  DCHECK(manager_delegate_);
790}
791
792void AutofillManager::set_metric_logger(const AutofillMetrics* metric_logger) {
793  metric_logger_.reset(metric_logger);
794}
795
796bool AutofillManager::RefreshDataModels() const {
797  if (!IsAutofillEnabled())
798    return false;
799
800  // No autofill data to return if the profiles are empty.
801  if (personal_data_->GetProfiles().empty() &&
802      personal_data_->GetCreditCards().empty()) {
803    return false;
804  }
805
806  return true;
807}
808
809bool AutofillManager::GetProfileOrCreditCard(
810    int unique_id,
811    const AutofillDataModel** data_model,
812    size_t* variant) const {
813  // Unpack the |unique_id| into component parts.
814  GUIDPair credit_card_guid;
815  GUIDPair profile_guid;
816  UnpackGUIDs(unique_id, &credit_card_guid, &profile_guid);
817  DCHECK(!base::IsValidGUID(credit_card_guid.first) ||
818         !base::IsValidGUID(profile_guid.first));
819
820  // Find the profile that matches the |profile_guid|, if one is specified.
821  // Otherwise find the credit card that matches the |credit_card_guid|,
822  // if specified.
823  if (base::IsValidGUID(profile_guid.first)) {
824    *data_model = personal_data_->GetProfileByGUID(profile_guid.first);
825    *variant = profile_guid.second;
826  } else if (base::IsValidGUID(credit_card_guid.first)) {
827    *data_model = personal_data_->GetCreditCardByGUID(credit_card_guid.first);
828    *variant = credit_card_guid.second;
829  }
830
831  return !!*data_model;
832}
833
834bool AutofillManager::FindCachedForm(const FormData& form,
835                                     FormStructure** form_structure) const {
836  // Find the FormStructure that corresponds to |form|.
837  // Scan backward through the cached |form_structures_|, as updated versions of
838  // forms are added to the back of the list, whereas original versions of these
839  // forms might appear toward the beginning of the list.  The communication
840  // protocol with the crowdsourcing server does not permit us to discard the
841  // original versions of the forms.
842  *form_structure = NULL;
843  for (std::vector<FormStructure*>::const_reverse_iterator iter =
844           form_structures_.rbegin();
845       iter != form_structures_.rend(); ++iter) {
846    if (**iter == form) {
847      *form_structure = *iter;
848
849      // The same form might be cached with multiple field counts: in some
850      // cases, non-autofillable fields are filtered out, whereas in other cases
851      // they are not.  To avoid thrashing the cache, keep scanning until we
852      // find a cached version with the same number of fields, if there is one.
853      if ((*iter)->field_count() == form.fields.size())
854        break;
855    }
856  }
857
858  if (!(*form_structure))
859    return false;
860
861  return true;
862}
863
864bool AutofillManager::GetCachedFormAndField(const FormData& form,
865                                            const FormFieldData& field,
866                                            FormStructure** form_structure,
867                                            AutofillField** autofill_field) {
868  // Find the FormStructure that corresponds to |form|.
869  // If we do not have this form in our cache but it is parseable, we'll add it
870  // in the call to |UpdateCachedForm()|.
871  if (!FindCachedForm(form, form_structure) &&
872      !FormStructure(form).ShouldBeParsed(false)) {
873    return false;
874  }
875
876  // Update the cached form to reflect any dynamic changes to the form data, if
877  // necessary.
878  if (!UpdateCachedForm(form, *form_structure, form_structure))
879    return false;
880
881  // No data to return if there are no auto-fillable fields.
882  if (!(*form_structure)->autofill_count())
883    return false;
884
885  // Find the AutofillField that corresponds to |field|.
886  *autofill_field = NULL;
887  for (std::vector<AutofillField*>::const_iterator iter =
888           (*form_structure)->begin();
889       iter != (*form_structure)->end(); ++iter) {
890    if ((**iter) == field) {
891      *autofill_field = *iter;
892      break;
893    }
894  }
895
896  // Even though we always update the cache, the field might not exist if the
897  // website disables autocomplete while the user is interacting with the form.
898  // See http://crbug.com/160476
899  return *autofill_field != NULL;
900}
901
902bool AutofillManager::UpdateCachedForm(const FormData& live_form,
903                                       const FormStructure* cached_form,
904                                       FormStructure** updated_form) {
905  bool needs_update =
906      (!cached_form ||
907       live_form.fields.size() != cached_form->field_count());
908  for (size_t i = 0; !needs_update && i < cached_form->field_count(); ++i) {
909    needs_update = *cached_form->field(i) != live_form.fields[i];
910  }
911
912  if (!needs_update)
913    return true;
914
915  if (form_structures_.size() >= kMaxFormCacheSize)
916    return false;
917
918  // Add the new or updated form to our cache.
919  form_structures_.push_back(new FormStructure(live_form));
920  *updated_form = *form_structures_.rbegin();
921  (*updated_form)->DetermineHeuristicTypes(*metric_logger_);
922
923  // If we have cached data, propagate it to the updated form.
924  if (cached_form) {
925    std::map<base::string16, const AutofillField*> cached_fields;
926    for (size_t i = 0; i < cached_form->field_count(); ++i) {
927      const AutofillField* field = cached_form->field(i);
928      cached_fields[field->unique_name()] = field;
929    }
930
931    for (size_t i = 0; i < (*updated_form)->field_count(); ++i) {
932      AutofillField* field = (*updated_form)->field(i);
933      std::map<base::string16, const AutofillField*>::iterator cached_field =
934          cached_fields.find(field->unique_name());
935      if (cached_field != cached_fields.end()) {
936        field->set_server_type(cached_field->second->server_type());
937        field->is_autofilled = cached_field->second->is_autofilled;
938      }
939    }
940
941    // Note: We _must not_ remove the original version of the cached form from
942    // the list of |form_structures_|.  Otherwise, we break parsing of the
943    // crowdsourcing server's response to our query.
944  }
945
946  // Annotate the updated form with its predicted types.
947  std::vector<FormStructure*> forms(1, *updated_form);
948  driver_->SendAutofillTypePredictionsToRenderer(forms);
949
950  return true;
951}
952
953void AutofillManager::GetProfileSuggestions(
954    FormStructure* form,
955    const FormFieldData& field,
956    const AutofillType& type,
957    std::vector<base::string16>* values,
958    std::vector<base::string16>* labels,
959    std::vector<base::string16>* icons,
960    std::vector<int>* unique_ids) const {
961  std::vector<ServerFieldType> field_types(form->field_count());
962  for (size_t i = 0; i < form->field_count(); ++i) {
963    field_types.push_back(form->field(i)->Type().GetStorableType());
964  }
965  std::vector<GUIDPair> guid_pairs;
966
967  personal_data_->GetProfileSuggestions(
968      type, field.value, field.is_autofilled, field_types,
969      values, labels, icons, &guid_pairs);
970
971  for (size_t i = 0; i < guid_pairs.size(); ++i) {
972    unique_ids->push_back(PackGUIDs(GUIDPair(std::string(), 0),
973                                    guid_pairs[i]));
974  }
975}
976
977void AutofillManager::GetCreditCardSuggestions(
978    const FormFieldData& field,
979    const AutofillType& type,
980    std::vector<base::string16>* values,
981    std::vector<base::string16>* labels,
982    std::vector<base::string16>* icons,
983    std::vector<int>* unique_ids) const {
984  std::vector<GUIDPair> guid_pairs;
985  personal_data_->GetCreditCardSuggestions(
986      type, field.value, values, labels, icons, &guid_pairs);
987
988  for (size_t i = 0; i < guid_pairs.size(); ++i) {
989    unique_ids->push_back(PackGUIDs(guid_pairs[i], GUIDPair(std::string(), 0)));
990  }
991}
992
993void AutofillManager::ParseForms(const std::vector<FormData>& forms) {
994  std::vector<FormStructure*> non_queryable_forms;
995  for (std::vector<FormData>::const_iterator iter = forms.begin();
996       iter != forms.end(); ++iter) {
997    scoped_ptr<FormStructure> form_structure(new FormStructure(*iter));
998    if (!form_structure->ShouldBeParsed(false))
999      continue;
1000
1001    form_structure->DetermineHeuristicTypes(*metric_logger_);
1002
1003    // Set aside forms with method GET or author-specified types, so that they
1004    // are not included in the query to the server.
1005    if (form_structure->ShouldBeCrowdsourced())
1006      form_structures_.push_back(form_structure.release());
1007    else
1008      non_queryable_forms.push_back(form_structure.release());
1009  }
1010
1011  if (!form_structures_.empty() && download_manager_) {
1012    // Query the server if we have at least one of the forms were parsed.
1013    download_manager_->StartQueryRequest(form_structures_.get(),
1014                                        *metric_logger_);
1015  }
1016
1017  for (std::vector<FormStructure*>::const_iterator iter =
1018           non_queryable_forms.begin();
1019       iter != non_queryable_forms.end(); ++iter) {
1020    form_structures_.push_back(*iter);
1021  }
1022
1023  if (!form_structures_.empty())
1024    metric_logger_->LogUserHappinessMetric(AutofillMetrics::FORMS_LOADED);
1025
1026  // For the |non_queryable_forms|, we have all the field type info we're ever
1027  // going to get about them.  For the other forms, we'll wait until we get a
1028  // response from the server.
1029  driver_->SendAutofillTypePredictionsToRenderer(non_queryable_forms);
1030}
1031
1032int AutofillManager::GUIDToID(const GUIDPair& guid) const {
1033  if (!base::IsValidGUID(guid.first))
1034    return 0;
1035
1036  std::map<GUIDPair, int>::const_iterator iter = guid_id_map_.find(guid);
1037  if (iter == guid_id_map_.end()) {
1038    int id = guid_id_map_.size() + 1;
1039    guid_id_map_[guid] = id;
1040    id_guid_map_[id] = guid;
1041    return id;
1042  } else {
1043    return iter->second;
1044  }
1045}
1046
1047const GUIDPair AutofillManager::IDToGUID(int id) const {
1048  if (id == 0)
1049    return GUIDPair(std::string(), 0);
1050
1051  std::map<int, GUIDPair>::const_iterator iter = id_guid_map_.find(id);
1052  if (iter == id_guid_map_.end()) {
1053    NOTREACHED();
1054    return GUIDPair(std::string(), 0);
1055  }
1056
1057  return iter->second;
1058}
1059
1060// When sending IDs (across processes) to the renderer we pack credit card and
1061// profile IDs into a single integer.  Credit card IDs are sent in the high
1062// word and profile IDs are sent in the low word.
1063int AutofillManager::PackGUIDs(const GUIDPair& cc_guid,
1064                               const GUIDPair& profile_guid) const {
1065  int cc_id = GUIDToID(cc_guid);
1066  int profile_id = GUIDToID(profile_guid);
1067
1068  DCHECK(cc_id <= std::numeric_limits<unsigned short>::max());
1069  DCHECK(profile_id <= std::numeric_limits<unsigned short>::max());
1070
1071  return cc_id << std::numeric_limits<unsigned short>::digits | profile_id;
1072}
1073
1074// When receiving IDs (across processes) from the renderer we unpack credit card
1075// and profile IDs from a single integer.  Credit card IDs are stored in the
1076// high word and profile IDs are stored in the low word.
1077void AutofillManager::UnpackGUIDs(int id,
1078                                  GUIDPair* cc_guid,
1079                                  GUIDPair* profile_guid) const {
1080  int cc_id = id >> std::numeric_limits<unsigned short>::digits &
1081      std::numeric_limits<unsigned short>::max();
1082  int profile_id = id & std::numeric_limits<unsigned short>::max();
1083
1084  *cc_guid = IDToGUID(cc_id);
1085  *profile_guid = IDToGUID(profile_id);
1086}
1087
1088void AutofillManager::UpdateInitialInteractionTimestamp(
1089    const TimeTicks& interaction_timestamp) {
1090  if (initial_interaction_timestamp_.is_null() ||
1091      interaction_timestamp < initial_interaction_timestamp_) {
1092    initial_interaction_timestamp_ = interaction_timestamp;
1093  }
1094}
1095
1096bool AutofillManager::ShouldUploadForm(const FormStructure& form) {
1097  if (!IsAutofillEnabled())
1098    return false;
1099
1100  if (driver_->IsOffTheRecord())
1101    return false;
1102
1103  // Disregard forms that we wouldn't ever autofill in the first place.
1104  if (!form.ShouldBeParsed(true))
1105    return false;
1106
1107  return true;
1108}
1109
1110}  // namespace autofill
1111