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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/browsing_data/core/counters/autofill_counter.h"
#include <algorithm>
#include <utility>
#include <vector>
#include "components/autofill/core/browser/autofill_profile.h"
#include "components/autofill/core/browser/credit_card.h"
#include "components/autofill/core/browser/webdata/autofill_webdata_service.h"
#include "components/browsing_data/core/pref_names.h"
namespace browsing_data {
AutofillCounter::AutofillCounter(
scoped_refptr<autofill::AutofillWebDataService> web_data_service)
: web_data_service_(web_data_service),
suggestions_query_(0),
credit_cards_query_(0),
addresses_query_(0),
num_suggestions_(0),
num_credit_cards_(0),
num_addresses_(0) {}
AutofillCounter::~AutofillCounter() {
CancelAllRequests();
}
void AutofillCounter::OnInitialized() {
DCHECK(web_data_service_);
}
const char* AutofillCounter::GetPrefName() const {
return browsing_data::prefs::kDeleteFormData;
}
void AutofillCounter::SetPeriodStartForTesting(
const base::Time& period_start_for_testing) {
period_start_for_testing_ = period_start_for_testing;
}
void AutofillCounter::Count() {
const base::Time start = period_start_for_testing_.is_null()
? GetPeriodStart()
: period_start_for_testing_;
CancelAllRequests();
// Count the autocomplete suggestions (also called form elements in Autofill).
// Note that |AutofillTable::RemoveFormElementsAddedBetween| only deletes
// those whose entire existence (i.e. the interval between creation time
// and last modified time) lies within the deletion time range. Otherwise,
// it only decreases the count property, but always to a nonzero value,
// and the suggestion is retained. Therefore here as well, we must only count
// the entries that are entirely contained in [start, base::Time::Max()).
// Further, many of these entries may contain the same values, as they are
// simply the same data point entered on different forms. For example,
// [name, value] pairs such as:
// ["mail", "example@example.com"]
// ["email", "example@example.com"]
// ["e-mail", "example@example.com"]
// are stored as three separate entries, but from the user's perspective,
// they constitute the same suggestion - "my email". Therefore, for the final
// output, we will consider all entries with the same value as one suggestion,
// and increment the counter only if all entries with the given value are
// contained in the interval [start, base::Time::Max()).
suggestions_query_ = web_data_service_->GetCountOfValuesContainedBetween(
start, base::Time::Max(), this);
// Count the credit cards.
credit_cards_query_ = web_data_service_->GetCreditCards(this);
// Count the addresses.
addresses_query_ = web_data_service_->GetAutofillProfiles(this);
}
void AutofillCounter::OnWebDataServiceRequestDone(
WebDataServiceBase::Handle handle,
std::unique_ptr<WDTypedResult> result) {
DCHECK(thread_checker_.CalledOnValidThread());
if (!result) {
// CancelAllRequests will cancel all queries that are active; the query that
// just failed is complete and cannot be canceled so zero it out.
if (handle == suggestions_query_) {
suggestions_query_ = 0;
} else if (handle == credit_cards_query_) {
credit_cards_query_ = 0;
} else if (handle == addresses_query_) {
addresses_query_ = 0;
} else {
NOTREACHED();
}
CancelAllRequests();
return;
}
const base::Time start = period_start_for_testing_.is_null()
? GetPeriodStart()
: period_start_for_testing_;
if (handle == suggestions_query_) {
// Autocomplete suggestions.
DCHECK_EQ(AUTOFILL_VALUE_RESULT, result->GetType());
num_suggestions_ =
static_cast<const WDResult<int>*>(result.get())->GetValue();
suggestions_query_ = 0;
} else if (handle == credit_cards_query_) {
// Credit cards.
DCHECK_EQ(AUTOFILL_CREDITCARDS_RESULT, result->GetType());
auto credit_cards =
static_cast<
WDResult<std::vector<std::unique_ptr<autofill::CreditCard>>>*>(
result.get())
->GetValue();
num_credit_cards_ = std::count_if(
credit_cards.begin(), credit_cards.end(),
[start](const std::unique_ptr<autofill::CreditCard>& card) {
return card->modification_date() >= start;
});
credit_cards_query_ = 0;
} else if (handle == addresses_query_) {
// Addresses.
DCHECK_EQ(AUTOFILL_PROFILES_RESULT, result->GetType());
auto addresses =
static_cast<
WDResult<std::vector<std::unique_ptr<autofill::AutofillProfile>>>*>(
result.get())
->GetValue();
num_addresses_ = std::count_if(
addresses.begin(), addresses.end(),
[start](const std::unique_ptr<autofill::AutofillProfile>& address) {
return address->modification_date() >= start;
});
addresses_query_ = 0;
} else {
NOTREACHED() << "No such query: " << handle;
}
// If we still have pending queries, do not report data yet.
if (suggestions_query_ || credit_cards_query_ || addresses_query_)
return;
std::unique_ptr<Result> reported_result(new AutofillResult(
this, num_suggestions_, num_credit_cards_, num_addresses_));
ReportResult(std::move(reported_result));
}
void AutofillCounter::CancelAllRequests() {
if (suggestions_query_)
web_data_service_->CancelRequest(suggestions_query_);
if (credit_cards_query_)
web_data_service_->CancelRequest(credit_cards_query_);
if (addresses_query_)
web_data_service_->CancelRequest(addresses_query_);
}
// AutofillCounter::AutofillResult ---------------------------------------------
AutofillCounter::AutofillResult::AutofillResult(const AutofillCounter* source,
ResultInt num_suggestions,
ResultInt num_credit_cards,
ResultInt num_addresses)
: FinishedResult(source, num_suggestions),
num_credit_cards_(num_credit_cards),
num_addresses_(num_addresses) {}
AutofillCounter::AutofillResult::~AutofillResult() {}
} // namespace browsing_data
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