chrome/browser/ui/autofill/credit_card_scanner_controller.cc

   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.
   4
   5 #include "chrome/browser/ui/autofill/credit_card_scanner_controller.h"
   6
   7 #include "base/callback.h"
   8 #include "base/logging.h"
   9 #include "base/macros.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/memory/weak_ptr.h"
  12 #include "base/strings/string16.h"
  13 #include "base/time/time.h"
  14 #include "chrome/browser/ui/autofill/credit_card_scanner_view.h"
  15 #include "chrome/browser/ui/autofill/credit_card_scanner_view_delegate.h"
  16 #include "components/autofill/core/browser/autofill_metrics.h"
  17
  18 namespace autofill {
  19
  20 namespace {
  21
  22 // Controller for the credit card scanner UI. The controller deletes itself
  23 // after the view is dismissed.
  24 class Controller : public CreditCardScannerViewDelegate,
  25                    public base::SupportsWeakPtr<Controller> {
  26  public:
  27   Controller(content::WebContents* web_contents,
  28              const AutofillClient::CreditCardScanCallback& callback)
  29       : view_(CreditCardScannerView::Create(AsWeakPtr(), web_contents)),
  30         callback_(callback) {
  31     DCHECK(view_);
  32   }
  33
  34   // Shows the UI to scan the credit card.
  35   void Show() {
  36     show_time_ = base::TimeTicks::Now();
  37     view_->Show();
  38   }
  39
  40  private:
  41   ~Controller() override {}
  42
  43   // CreditCardScannerViewDelegate implementation.
  44   void ScanCancelled() override {
  45     AutofillMetrics::LogScanCreditCardCompleted(
  46         base::TimeTicks::Now() - show_time_, false);
  47     delete this;
  48   }
  49
  50   // CreditCardScannerViewDelegate implementation.
  51   void ScanCompleted(const base::string16& card_number,
  52                      int expiration_month,
  53                      int expiration_year) override {
  54     AutofillMetrics::LogScanCreditCardCompleted(
  55         base::TimeTicks::Now() - show_time_, true);
  56     callback_.Run(card_number, expiration_month, expiration_year);
  57     delete this;
  58   }
  59
  60   // The view for the credit card scanner.
  61   scoped_ptr<CreditCardScannerView> view_;
  62
  63   // The callback to be invoked when scanning completes successfully.
  64   AutofillClient::CreditCardScanCallback callback_;
  65
  66   // The time when the UI was shown.
  67   base::TimeTicks show_time_;
  68
  69   DISALLOW_COPY_AND_ASSIGN(Controller);
  70 };
  71
  72 }  // namespace
  73
  74 // static
  75 bool CreditCardScannerController::HasCreditCardScanFeature() {
  76   static const bool kCanShow = CreditCardScannerView::CanShow();
  77   return kCanShow;
  78 }
  79
  80 // static
  81 void CreditCardScannerController::ScanCreditCard(
  82     content::WebContents* web_contents,
  83     const AutofillClient::CreditCardScanCallback& callback) {
  84   (new Controller(web_contents, callback))->Show();
  85 }
  86
  87 }  // namespace autofill