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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/autofill/core/browser/foundations/autofill_manager.h"
#include <algorithm>
#include "base/check_deref.h"
#include "base/command_line.h"
#include "base/containers/adapters.h"
#include "base/containers/contains.h"
#include "base/containers/to_vector.h"
#include "base/feature_list.h"
#include "base/functional/bind.h"
#include "base/memory/raw_ptr.h"
#include "base/metrics/histogram_macros.h"
#include "base/task/thread_pool.h"
#include "base/types/optional_ref.h"
#include "base/types/zip.h"
#include "components/autofill/core/browser/country_type.h"
#include "components/autofill/core/browser/crowdsourcing/autofill_crowdsourcing_encoding.h"
#include "components/autofill/core/browser/data_model/payments/credit_card.h"
#include "components/autofill/core/browser/form_structure.h"
#include "components/autofill/core/browser/form_structure_sectioning_util.h"
#include "components/autofill/core/browser/logging/log_manager.h"
#include "components/autofill/core/browser/metrics/form_interactions_ukm_logger.h"
#include "components/autofill/core/browser/metrics/quality_metrics.h"
#include "components/autofill/core/common/autofill_constants.h"
#include "components/autofill/core/common/autofill_data_validation.h"
#include "components/autofill/core/common/autofill_features.h"
#include "components/autofill/core/common/autofill_internals/log_message.h"
#include "components/autofill/core/common/autofill_internals/logging_scope.h"
#include "components/autofill/core/common/autofill_payments_features.h"
#include "components/autofill/core/common/autofill_switches.h"
#include "components/language_detection/core/constants.h"
#include "components/optimization_guide/machine_learning_tflite_buildflags.h"
#include "components/translate/core/common/language_detection_details.h"
#include "third_party/abseil-cpp/absl/cleanup/cleanup.h"
#include "ui/gfx/geometry/rect_f.h"
#if BUILDFLAG(BUILD_WITH_TFLITE_LIB)
#include "components/autofill/core/browser/ml_model/field_classification_model_handler.h"
#endif
namespace autofill {
namespace {
// ParsingCallback(), NotifyObserversCallback(), and NotifyNoObserversCallback()
// assemble the reply callback for ParseFormAsync().
//
// An event
// AutofillManager::OnFoo(const FormData& form, args...)
// is handled by
// asynchronously parsing the form and then calling
// AutofillManager::OnFooImpl(const FormData& form, args...)
// unless the AutofillManager has been destructed or reset in the meantime.
//
// For some events, AutofillManager::Observer::On{Before,After}Foo() must be
// called before/after AutofillManager::OnFooImpl().
//
// The corresponding callback for ParseFormAsync() is assembled by
// ParsingCallback(&AutofillManager::OnFooImpl, ...)
// .Then(NotifyNoObserversCallback())
// or
// ParsingCallback(&AutofillManager::OnFooImpl, ...)
// .Then(NotifyObserversCallback(&Observer::OnAfterFoo, ...))
//
// `.Then(NotifyNoObserversCallback())` is needed in the first case to discard
// the return type of ParsingCallback().
template <typename Functor, typename... Args>
base::OnceCallback<AutofillManager&(AutofillManager&, const FormData&)>
ParsingCallback(Functor&& functor, Args&&... args) {
return base::BindOnce(
[](Functor&& functor, std::remove_reference_t<Args&&>... args,
AutofillManager& self, const FormData& form) -> AutofillManager& {
std::invoke(std::forward<Functor>(functor), self, form,
std::forward<Args>(args)...);
return self;
},
std::forward<Functor>(functor), std::forward<Args>(args)...);
}
// See ParsingCallback().
template <typename Functor, typename... Args>
[[nodiscard]] base::OnceCallback<void(AutofillManager&)>
NotifyObserversCallback(Functor&& functor, Args&&... args) {
return base::BindOnce(
[](Functor&& functor, std::remove_reference_t<Args&&>... args,
AutofillManager& self) {
self.NotifyObservers(std::forward<Functor>(functor),
std::forward<Args>(args)...);
},
std::forward<Functor>(functor), std::forward<Args>(args)...);
}
// See ParsingCallback().
base::OnceCallback<void(AutofillManager&)> NotifyNoObserversCallback() {
return base::DoNothingAs<void(AutofillManager&)>();
}
// Returns true if |live_form| does not match |cached_form|.
// TODO(crbug.com/40183094): This should be some form of FormData::DeepEqual().
bool CachedFormNeedsUpdate(const FormData& live_form,
const FormStructure& cached_form) {
if (cached_form.version() > live_form.version()) {
return false;
}
if (live_form.fields().size() != cached_form.field_count()) {
return true;
}
for (auto [cached_field, live_field] :
base::zip(cached_form.fields(), live_form.fields())) {
if (!cached_field->SameFieldAs(live_field)) {
return true;
}
}
return false;
}
#if BUILDFLAG(BUILD_WITH_TFLITE_LIB)
// Retrieves the ML model handler form the `client` using `get_handler`, and
// requests ML predictions for `forms` if the handler is available. Passes
// `callback` to the handler so it is invoked once predictions are available.
void GetMlPredictionsIfNeeded(
base::WeakPtr<AutofillClient> client,
FieldClassificationModelHandler* (AutofillClient::*get_handler)(),
base::OnceCallback<void(std::vector<std::unique_ptr<FormStructure>>)>
callback,
std::vector<std::unique_ptr<FormStructure>> forms) {
if (!client) {
return;
}
if (FieldClassificationModelHandler* ml_handler = (*client.*get_handler)()) {
ml_handler->GetModelPredictionsForForms(std::move(forms),
std::move(callback));
} else {
std::move(callback).Run(std::move(forms));
}
}
#endif // BUILDFLAG(BUILD_WITH_TFLITE_LIB)
} // namespace
AutofillManager::AutofillManager(AutofillDriver* driver)
: driver_(CHECK_DEREF(driver)) {
if (auto* translate_driver = client().GetTranslateDriver()) {
translate_observation_.Observe(translate_driver);
}
}
AutofillManager::~AutofillManager() {
translate_observation_.Reset();
}
void AutofillManager::OnAutofillDriverLifecycleStateChanged(
LifecycleState old_state,
LifecycleState new_state,
base::PassKey<AutofillDriverFactory>) {
DCHECK_NE(new_state, old_state);
DCHECK_EQ(new_state, driver().GetLifecycleState());
NotifyObservers(&Observer::OnAutofillManagerStateChanged, old_state,
new_state);
if (new_state == LifecycleState::kPendingReset) {
Reset();
}
}
void AutofillManager::Reset() {
parsing_weak_ptr_factory_.InvalidateWeakPtrs();
form_structures_.clear();
}
void AutofillManager::OnLanguageDetermined(
const translate::LanguageDetectionDetails& details) {
if (!base::FeatureList::IsEnabled(features::kAutofillPageLanguageDetection)) {
return;
}
if (details.adopted_language == language_detection::kUnknownLanguageCode ||
!driver_->IsActive()) {
return;
}
NotifyObservers(&Observer::OnBeforeLanguageDetermined);
// Wait for ongoing parsing operations to finish, so `form_structures_` is
// up to date.
AfterParsingFinishes(base::BindOnce([](base::WeakPtr<AutofillManager> self) {
if (!self) {
return;
}
std::vector<FormData> forms;
forms.reserve(self->form_structures_.size());
for (const auto& [id, form_structure] : self->form_structures_) {
forms.push_back(form_structure->ToFormData());
}
self->ParseFormsAsync(
forms, base::BindOnce([](AutofillManager& self,
const std::vector<FormData>& parsed_forms) {
self.NotifyObservers(&Observer::OnAfterLanguageDetermined);
}));
})).Run(GetWeakPtr());
}
void AutofillManager::OnTranslateDriverDestroyed(
translate::TranslateDriver* translate_driver) {
translate_observation_.Reset();
}
LanguageCode AutofillManager::GetCurrentPageLanguage() {
const translate::LanguageState* language_state = client().GetLanguageState();
if (!language_state) {
return LanguageCode();
}
return LanguageCode(language_state->current_language());
}
void AutofillManager::OnDidFillAutofillFormData(
const FormData& form,
const base::TimeTicks timestamp) {
if (!IsValidFormData(form)) {
return;
}
NotifyObservers(&Observer::OnBeforeDidFillAutofillFormData, form.global_id());
ParseFormAsync(
form,
ParsingCallback(&AutofillManager::OnDidFillAutofillFormDataImpl,
timestamp)
.Then(NotifyObserversCallback(
&Observer::OnAfterDidFillAutofillFormData, form.global_id())));
}
void AutofillManager::OnFormSubmitted(const FormData& form,
const mojom::SubmissionSource source) {
if (!IsValidFormData(form)) {
return;
}
NotifyObservers(&Observer::OnFormSubmitted, form);
OnFormSubmittedImpl(form, source);
}
void AutofillManager::OnFormsSeen(
const std::vector<FormData>& updated_forms,
const std::vector<FormGlobalId>& removed_forms) {
auto erase_removed_forms = [&] {
// Erase forms that have been removed from the DOM. This prevents
// |form_structures_| from growing up its upper bound
// kAutofillManagerMaxFormCacheSize.
for (FormGlobalId removed_form : removed_forms) {
form_structures_.erase(removed_form);
}
};
if (!IsValidFormDataVector(updated_forms) || !ShouldParseForms()) {
NotifyObservers(&Observer::OnBeforeFormsSeen, std::vector<FormGlobalId>{},
removed_forms);
erase_removed_forms();
NotifyObservers(&Observer::OnAfterFormsSeen, std::vector<FormGlobalId>{},
removed_forms);
return;
}
NotifyObservers(&Observer::OnBeforeFormsSeen,
base::ToVector(updated_forms, &FormData::global_id),
removed_forms);
erase_removed_forms();
auto ProcessParsedForms = [](std::vector<FormGlobalId> removed_forms,
AutofillManager& self,
const std::vector<FormData>& parsed_forms) {
if (!parsed_forms.empty()) {
self.OnFormsParsed(parsed_forms);
}
self.NotifyObservers(&Observer::OnAfterFormsSeen,
base::ToVector(parsed_forms, &FormData::global_id),
removed_forms);
};
ParseFormsAsync(updated_forms,
base::BindOnce(ProcessParsedForms, std::move(removed_forms)));
}
void AutofillManager::OnFormsParsed(const std::vector<FormData>& forms) {
DCHECK(!forms.empty());
OnBeforeProcessParsedForms();
std::vector<raw_ptr<const FormStructure, VectorExperimental>> queryable_forms;
DenseSet<FormType> form_types;
for (const FormData& form : forms) {
const FormStructure& form_structure =
CHECK_DEREF(FindCachedFormById(form.global_id()));
form_types.insert_all(form_structure.GetFormTypes());
// Configure the query encoding for this form and add it to the appropriate
// collection of forms: queryable vs non-queryable.
if (form_structure.ShouldBeQueried()) {
queryable_forms.push_back(&form_structure);
}
OnFormProcessed(form, form_structure);
}
if (base::FeatureList::IsEnabled(features::test::kShowDomNodeIDs)) {
driver().ExposeDomNodeIDs();
}
// Query the server if at least one of the forms was parsed.
if (!queryable_forms.empty()) {
NotifyObservers(&Observer::OnBeforeLoadedServerPredictions);
// If language detection is currently reparsing the form, wait until the
// server response is processed, to ensure server predictions are not lost.
client().GetCrowdsourcingManager().StartQueryRequest(
queryable_forms, driver().GetIsolationInfo(),
AfterParsingFinishes(base::BindOnce(
&AutofillManager::OnLoadedServerPredictions, GetWeakPtr())));
}
}
void AutofillManager::OnCaretMovedInFormField(const FormData& form,
const FieldGlobalId& field_id,
const gfx::Rect& caret_bounds) {
if (!IsValidFormData(form)) {
return;
}
const FormFieldData& field = CHECK_DEREF(form.FindFieldByGlobalId(field_id));
NotifyObservers(&Observer::OnBeforeCaretMovedInFormField, form.global_id(),
field_id, field.selected_text(), caret_bounds);
ParseFormAsync(
form, ParsingCallback(&AutofillManager::OnCaretMovedInFormFieldImpl,
field_id, caret_bounds)
.Then(NotifyObserversCallback(
&Observer::OnAfterCaretMovedInFormField, form.global_id(),
field_id, field.selected_text(), caret_bounds)));
}
void AutofillManager::OnTextFieldValueChanged(const FormData& form,
const FieldGlobalId& field_id,
const base::TimeTicks timestamp) {
if (!IsValidFormData(form)) {
return;
}
const FormFieldData& field = CHECK_DEREF(form.FindFieldByGlobalId(field_id));
NotifyObservers(&Observer::OnBeforeTextFieldValueChanged, form.global_id(),
field_id);
ParseFormAsync(
form, ParsingCallback(&AutofillManager::OnTextFieldValueChangedImpl,
field_id, timestamp)
.Then(NotifyObserversCallback(
&Observer::OnAfterTextFieldValueChanged, form.global_id(),
field_id, field.value())));
}
void AutofillManager::OnTextFieldDidScroll(const FormData& form,
const FieldGlobalId& field_id) {
if (!IsValidFormData(form)) {
return;
}
NotifyObservers(&Observer::OnBeforeTextFieldDidScroll, form.global_id(),
field_id);
ParseFormAsync(
form,
ParsingCallback(&AutofillManager::OnTextFieldDidScrollImpl, field_id)
.Then(NotifyObserversCallback(&Observer::OnAfterTextFieldDidScroll,
form.global_id(), field_id)));
}
void AutofillManager::OnSelectControlSelectionChanged(
const FormData& form,
const FieldGlobalId& field_id) {
if (!IsValidFormData(form)) {
return;
}
NotifyObservers(&Observer::OnBeforeSelectControlSelectionChanged,
form.global_id(), field_id);
ParseFormAsync(
form, ParsingCallback(
&AutofillManager::OnSelectControlSelectionChangedImpl, field_id)
.Then(NotifyObserversCallback(
&Observer::OnAfterSelectControlSelectionChanged,
form.global_id(), field_id)));
}
void AutofillManager::OnAskForValuesToFill(
const FormData& form,
const FieldGlobalId& field_id,
const gfx::Rect& caret_bounds,
AutofillSuggestionTriggerSource trigger_source,
base::optional_ref<const PasswordSuggestionRequest> password_request) {
if (!IsValidFormData(form)) {
return;
}
NotifyObservers(&Observer::OnBeforeAskForValuesToFill, form.global_id(),
field_id, form);
ParseFormAsync(
form,
ParsingCallback(&AutofillManager::OnAskForValuesToFillImpl, field_id,
caret_bounds, trigger_source, password_request)
.Then(NotifyObserversCallback(&Observer::OnAfterAskForValuesToFill,
form.global_id(), field_id)));
}
void AutofillManager::OnFocusOnFormField(const FormData& form,
const FieldGlobalId& field_id) {
if (!IsValidFormData(form)) {
return;
}
NotifyObservers(&Observer::OnBeforeFocusOnFormField, form.global_id(),
field_id);
ParseFormAsync(
form,
ParsingCallback(&AutofillManager::OnFocusOnFormFieldImpl, field_id)
.Then(NotifyObserversCallback(&Observer::OnAfterFocusOnFormField,
form.global_id(), field_id)));
}
void AutofillManager::OnFocusOnNonFormField() {
OnFocusOnNonFormFieldImpl();
}
void AutofillManager::OnDidEndTextFieldEditing() {
OnDidEndTextFieldEditingImpl();
}
void AutofillManager::OnHidePopup() {
OnHidePopupImpl();
}
void AutofillManager::OnSuggestionsHidden() {
// If the unmask prompt is shown, keep showing the preview. The preview
// will be cleared when the prompt closes.
if (ShouldClearPreviewedForm()) {
driver().RendererShouldClearPreviewedForm();
}
NotifyObservers(&Observer::OnSuggestionsHidden);
}
void AutofillManager::OnSelectFieldOptionsDidChange(const FormData& form) {
if (!IsValidFormData(form)) {
return;
}
ParseFormAsync(
form, ParsingCallback(&AutofillManager::OnSelectFieldOptionsDidChangeImpl)
.Then(NotifyNoObserversCallback()));
}
void AutofillManager::OnJavaScriptChangedAutofilledValue(
const FormData& form,
const FieldGlobalId& field_id,
const std::u16string& old_value) {
if (!IsValidFormData(form)) {
return;
}
NotifyObservers(&Observer::OnBeforeJavaScriptChangedAutofilledValue,
form.global_id(), field_id);
ParseFormAsync(
form,
ParsingCallback(&AutofillManager::OnJavaScriptChangedAutofilledValueImpl,
field_id, old_value)
.Then(NotifyObserversCallback(
&Observer::OnAfterJavaScriptChangedAutofilledValue,
form.global_id(), field_id)));
}
bool AutofillManager::GetCachedFormAndField(
const FormGlobalId& form_id,
const FieldGlobalId& field_id,
FormStructure** form_structure,
AutofillField** autofill_field) const {
FormStructure* cached_form = FindCachedFormById(form_id);
if (!cached_form) {
return false;
}
*form_structure = cached_form;
auto field_it =
std::ranges::find(*cached_form, field_id, &AutofillField::global_id);
*autofill_field = field_it == cached_form->end() ? nullptr : field_it->get();
return *autofill_field != nullptr;
}
size_t AutofillManager::FindCachedFormsBySignature(
FormSignature form_signature,
std::vector<raw_ptr<FormStructure, VectorExperimental>>* form_structures)
const {
size_t hits_num = 0;
for (const auto& [form_id, form_structure] : form_structures_) {
if (form_structure->form_signature() == form_signature) {
++hits_num;
if (form_structures) {
form_structures->push_back(form_structure.get());
}
}
}
return hits_num;
}
FormStructure* AutofillManager::FindCachedFormById(FormGlobalId form_id) const {
auto it = form_structures_.find(form_id);
return it != form_structures_.end() ? it->second.get() : nullptr;
}
FormStructure* AutofillManager::FindCachedFormById(
FieldGlobalId field_id) const {
for (const auto& [form_id, form_structure] : form_structures_) {
if (std::ranges::any_of(*form_structure, [&](const auto& field) {
return field->global_id() == field_id;
})) {
return form_structure.get();
}
}
return nullptr;
}
bool AutofillManager::CanShowAutofillUi() const {
return driver_->CanShowAutofillUi();
}
void AutofillManager::TriggerFormExtractionInAllFrames(
base::OnceCallback<void(bool success)> form_extraction_finished_callback) {
driver_->TriggerFormExtractionInAllFrames(
std::move(form_extraction_finished_callback));
}
base::flat_map<FieldGlobalId, AutofillType::ServerPrediction>
AutofillManager::GetServerPredictionsForForm(
FormGlobalId form_id,
const std::vector<FieldGlobalId>& field_ids) const {
FormStructure* cached_form = FindCachedFormById(form_id);
if (!cached_form) {
return {};
}
return cached_form->GetServerPredictions(field_ids);
}
base::flat_map<FieldGlobalId, FieldType>
AutofillManager::GetHeursticPredictionForForm(
HeuristicSource source,
FormGlobalId form_id,
const std::vector<FieldGlobalId>& field_ids) const {
FormStructure* cached_form = FindCachedFormById(form_id);
if (!cached_form) {
return {};
}
return cached_form->GetHeuristicPredictions(source, field_ids);
}
void AutofillManager::ParseFormsAsync(
const std::vector<FormData>& forms,
base::OnceCallback<void(AutofillManager&, const std::vector<FormData>&)>
callback) {
SCOPED_UMA_HISTOGRAM_TIMER("Autofill.Timing.ParseFormsAsync");
// `num_managed_forms` is the number of forms that will be managed by this
// AutofillManager after ParseFormsAsync() and its asynchronous callees have
// finished.
size_t num_managed_forms = form_structures_.size();
// To be run on the main thread (accesses member variables).
std::vector<FormData> parsed_forms;
std::vector<std::unique_ptr<FormStructure>> form_structures;
for (const FormData& form_data : forms) {
bool is_new_form = !base::Contains(form_structures_, form_data.global_id());
if (num_managed_forms + is_new_form > kAutofillManagerMaxFormCacheSize) {
LOG_AF(log_manager())
<< LoggingScope::kAbortParsing
<< LogMessage::kAbortParsingTooManyForms << form_data;
continue;
}
auto form_structure = std::make_unique<FormStructure>(form_data);
if (!form_structure->ShouldBeParsed(log_manager())) {
LogCurrentFieldTypes(*form_structure);
continue;
}
num_managed_forms += is_new_form;
DCHECK_LE(num_managed_forms, kAutofillManagerMaxFormCacheSize);
if (FormStructure* cached_form_structure =
FindCachedFormById(form_data.global_id())) {
// We need to keep the server data if available. We need to use them while
// determining the heuristics.
form_structure->RetrieveFromCache(
*cached_form_structure,
FormStructure::RetrieveFromCacheReason::kFormCacheUpdateAfterParsing);
// Not updating signatures of credit card forms is legacy behaviour. We
// believe that the signatures are kept stable for voting purposes.
DenseSet<FormType> form_types = cached_form_structure->GetFormTypes();
if (form_types.size() > form_types.count(FormType::kCreditCardForm)) {
form_structure->set_form_signature(CalculateFormSignature(form_data));
form_structure->set_alternative_form_signature(
CalculateAlternativeFormSignature(form_data));
}
}
form_structure->set_current_page_language(GetCurrentPageLanguage());
form_structures.push_back(std::move(form_structure));
parsed_forms.push_back(form_data);
}
// Remove duplicates by their FormGlobalId. Otherwise, after moving the forms
// into `form_structures_`, duplicates may be destroyed and we'd end up with
// dangling pointers.
std::ranges::sort(form_structures, {}, &FormStructure::global_id);
auto repeated =
std::ranges::unique(form_structures, {}, &FormStructure::global_id);
form_structures.erase(repeated.begin(), repeated.end());
ParseFormsAsyncCommon(
std::move(form_structures),
base::BindOnce(
[](base::OnceCallback<void(AutofillManager&,
const std::vector<FormData>&)> callback,
std::vector<FormData> form_datas, AutofillManager& manager) {
std::move(callback).Run(manager, form_datas);
},
std::move(callback), std::move(parsed_forms)));
}
void AutofillManager::ParseFormAsync(
const FormData& form_data,
base::OnceCallback<void(AutofillManager&, const FormData&)> callback) {
SCOPED_UMA_HISTOGRAM_TIMER("Autofill.Timing.ParseFormAsync");
bool is_new_form = !base::Contains(form_structures_, form_data.global_id());
if (form_structures_.size() + is_new_form >
kAutofillManagerMaxFormCacheSize) {
LOG_AF(log_manager()) << LoggingScope::kAbortParsing
<< LogMessage::kAbortParsingTooManyForms << form_data;
return;
}
auto form_structure = std::make_unique<FormStructure>(form_data);
if (!form_structure->ShouldBeParsed(log_manager())) {
LogCurrentFieldTypes(*form_structure);
// For Autocomplete, events need to be handled even for forms that cannot be
// parsed.
std::move(callback).Run(*this, form_data);
return;
}
if (FormStructure* cached_form_structure =
FindCachedFormById(form_data.global_id())) {
if (!CachedFormNeedsUpdate(form_data, *cached_form_structure)) {
// Update the cache to the latest data from the renderer in the form
// cache (in particular, the current field values) while preserving all
// other information (in particular, the field types).
form_structure->RetrieveFromCache(*cached_form_structure,
FormStructure::RetrieveFromCacheReason::
kFormCacheUpdateWithoutParsing);
form_structures_[form_data.global_id()] = std::move(form_structure);
std::move(callback).Run(*this, form_data);
return;
}
// We need to keep the server data if available. We need to use them while
// determining the heuristics.
form_structure->RetrieveFromCache(
*cached_form_structure,
FormStructure::RetrieveFromCacheReason::kFormCacheUpdateAfterParsing);
}
form_structure->set_current_page_language(GetCurrentPageLanguage());
std::vector<std::unique_ptr<FormStructure>> form_structures;
form_structures.push_back(std::move(form_structure));
ParseFormsAsyncCommon(
std::move(form_structures),
base::BindOnce(
[](base::OnceCallback<void(AutofillManager&, const FormData&)>
callback,
FormData form_data, AutofillManager& manager) {
std::move(callback).Run(manager, form_data);
},
std::move(callback), std::move(form_data)));
}
void AutofillManager::ParseFormsAsyncCommon(
std::vector<std::unique_ptr<FormStructure>> form_structures,
base::OnceCallback<void(AutofillManager&)> callback) {
struct AsyncContext {
AsyncContext(std::vector<std::unique_ptr<FormStructure>> form_structures,
GeoIpCountryCode country_code,
LogManager* log_manager)
: form_structures(std::move(form_structures)),
country_code(std::move(country_code)),
log_manager(IsLoggingActive(log_manager)
? LogManager::CreateBuffering()
: nullptr) {}
std::vector<std::unique_ptr<FormStructure>> form_structures;
GeoIpCountryCode country_code;
std::unique_ptr<BufferingLogManager> log_manager;
};
// To be run on a different task (must not access global or member
// variables).
auto run_heuristics = [](AsyncContext context) {
SCOPED_UMA_HISTOGRAM_TIMER("Autofill.Timing.ParseFormsAsync.RunHeuristics");
for (auto& form_structure : context.form_structures) {
form_structure->DetermineHeuristicTypes(context.country_code,
context.log_manager.get());
}
return context;
};
// To be run on the main thread (accesses member variables).
auto update_cache = base::BindOnce(
[](base::WeakPtr<AutofillManager> self,
base::OnceCallback<void(AutofillManager&)> callback,
AsyncContext context) {
SCOPED_UMA_HISTOGRAM_TIMER(
"Autofill.Timing.ParseFormsAsync.UpdateCache");
if (!self) {
return;
}
if (context.log_manager && self->log_manager()) {
context.log_manager->Flush(*self->log_manager());
}
for (auto& form_structure : context.form_structures) {
FormStructure* raw_form_structure = form_structure.get();
self->form_structures_[raw_form_structure->global_id()] =
std::move(form_structure);
self->LogCurrentFieldTypes(*raw_form_structure);
self->NotifyObservers(
&Observer::OnFieldTypesDetermined,
raw_form_structure->global_id(),
Observer::FieldTypeSource::kHeuristicsOrAutocomplete);
}
std::move(callback).Run(*self);
},
parsing_weak_ptr_factory_.GetWeakPtr(), std::move(callback));
// To be run on the main thread (accesses member variables).
auto run_heuristics_and_update_cache = base::BindOnce(
[](base::WeakPtr<AutofillManager> self,
AsyncContext (*run_heuristics)(AsyncContext),
base::OnceCallback<void(AsyncContext)> update_cache,
std::vector<std::unique_ptr<FormStructure>> forms) {
if (!self) {
return;
}
self->parsing_task_runner_->PostTaskAndReplyWithResult(
FROM_HERE,
base::BindOnce(
run_heuristics,
AsyncContext(std::move(forms),
self->client().GetVariationConfigCountryCode(),
self->log_manager())),
std::move(update_cache));
},
parsing_weak_ptr_factory_.GetWeakPtr(), run_heuristics,
std::move(update_cache));
#if BUILDFLAG(BUILD_WITH_TFLITE_LIB)
// Parsing happens in the following order:
// (1) Running ML Models (first Autofill, then Password Manager).
// (2) Running heuristics (this ensures that rationalization and sectioning
// are done for the active Autofill predictions).
// (3) Updating the form cache.
// Chain running heuristics and updating cache after running the Password
// Manager model.
auto run_password_manager_model_if_needed = base::BindOnce(
&GetMlPredictionsIfNeeded, client().GetWeakPtr(),
&AutofillClient::GetPasswordManagerFieldClassificationModelHandler,
std::move(run_heuristics_and_update_cache));
// Chain running the Password Manager model after running the Autofill model.
GetMlPredictionsIfNeeded(
client().GetWeakPtr(),
&AutofillClient::GetAutofillFieldClassificationModelHandler,
std::move(run_password_manager_model_if_needed),
std::move(form_structures));
#else
std::move(run_heuristics_and_update_cache).Run(std::move(form_structures));
#endif
}
void AutofillManager::OnLoadedServerPredictions(
std::optional<AutofillCrowdsourcingManager::QueryResponse> response) {
absl::Cleanup on_after_loaded_server_predictions = [this] {
NotifyObservers(&Observer::OnAfterLoadedServerPredictions);
};
if (!response) {
return;
}
// Get the current valid FormStructures represented by
// `response->queried_form_signatures`.
std::vector<raw_ptr<FormStructure, VectorExperimental>> queried_forms;
queried_forms.reserve(response->queried_form_signatures.size());
for (const auto& form_signature : response->queried_form_signatures) {
FindCachedFormsBySignature(form_signature, &queried_forms);
}
// Each form signature in |queried_form_signatures| is supposed to be unique,
// and therefore appear only once. This ensures that
// FindCachedFormsBySignature() produces an output without duplicates in the
// forms.
// TODO(crbug.com/40123827): |queried_forms| could be a set data structure;
// their order should be irrelevant.
DCHECK_EQ(queried_forms.size(),
std::set<FormStructure*>(queried_forms.begin(), queried_forms.end())
.size());
// If there are no current forms corresponding to the queried signatures, drop
// the query response.
if (queried_forms.empty()) {
return;
}
// Parse and store the server predictions.
ParseServerPredictionsQueryResponse(
std::move(response->response), queried_forms,
response->queried_form_signatures, log_manager());
OnLoadedServerPredictionsImpl(queried_forms);
if (base::FeatureList::IsEnabled(features::test::kShowDomNodeIDs)) {
driver().ExposeDomNodeIDs();
}
for (const raw_ptr<FormStructure, VectorExperimental> form : queried_forms) {
form->RationalizeAndAssignSections(log_manager(), /*legacy_order=*/true);
autofill_metrics::LogQualityMetricsBasedOnAutocomplete(
*form, client().GetFormInteractionsUkmLogger(),
driver().GetPageUkmSourceId());
LogCurrentFieldTypes(*form);
NotifyObservers(&Observer::OnFieldTypesDetermined, form->global_id(),
Observer::FieldTypeSource::kAutofillServer);
}
}
void AutofillManager::LogCurrentFieldTypes(const FormStructure& form) {
LogBuffer buffer(IsLoggingActive(log_manager()));
LOG_AF(buffer) << form;
LOG_AF(log_manager()) << LoggingScope::kParsing << LogMessage::kParsedForms
<< std::move(buffer);
if (base::FeatureList::IsEnabled(
features::test::kAutofillShowTypePredictions)) {
driver().SendTypePredictionsToRenderer(form);
}
}
} // namespace autofill
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