chrome/browser/browsing_data/browsing_data_counter.cc

   1 // Copyright (c) 2015 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 "chrome/browser/browsing_data/browsing_data_counter.h"
   6
   7 #include "base/prefs/pref_service.h"
   8 #include "chrome/browser/profiles/profile.h"
   9 #include "chrome/common/pref_names.h"
  10
  11 BrowsingDataCounter::BrowsingDataCounter() {}
  12
  13 BrowsingDataCounter::~BrowsingDataCounter() {
  14 }
  15
  16 void BrowsingDataCounter::Init(
  17     Profile* profile,
  18     const Callback& callback) {
  19   DCHECK(!initialized_);
  20   profile_ = profile;
  21   callback_ = callback;
  22   pref_.Init(
  23       GetPrefName(),
  24       profile_->GetPrefs(),
  25       base::Bind(&BrowsingDataCounter::RestartCounting,
  26                  base::Unretained(this)));
  27   period_.Init(
  28       prefs::kDeleteTimePeriod,
  29       profile_->GetPrefs(),
  30       base::Bind(&BrowsingDataCounter::RestartCounting,
  31                  base::Unretained(this)));
  32
  33   initialized_ = true;
  34   OnInitialized();
  35   RestartCounting();
  36 }
  37
  38 Profile* BrowsingDataCounter::GetProfile() const {
  39   return profile_;
  40 }
  41
  42 void BrowsingDataCounter::OnInitialized() {
  43 }
  44
  45 base::Time BrowsingDataCounter::GetPeriodStart() {
  46   return BrowsingDataRemover::CalculateBeginDeleteTime(
  47       static_cast<BrowsingDataRemover::TimePeriod>(*period_));
  48 }
  49
  50 void BrowsingDataCounter::RestartCounting() {
  51   DCHECK(initialized_);
  52
  53   // If this data type was unchecked for deletion, we do not need to count it.
  54   if (!profile_->GetPrefs()->GetBoolean(GetPrefName()))
  55     return;
  56
  57   callback_.Run(false, 0u);
  58
  59   Count();
  60 }
  61
  62 void BrowsingDataCounter::ReportResult(uint32 value) {
  63   DCHECK(initialized_);
  64   callback_.Run(true, value);
  65 }