chrome/browser/download/download_request_infobar_delegate.h

   1 // Copyright (c) 2011 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 #ifndef CHROME_BROWSER_DOWNLOAD_DOWNLOAD_REQUEST_INFOBAR_DELEGATE_H_
   6 #define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_REQUEST_INFOBAR_DELEGATE_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/memory/weak_ptr.h"
  10 #include "chrome/browser/download/download_request_limiter.h"
  11 #include "components/infobars/core/confirm_infobar_delegate.h"
  12
  13 class InfoBarService;
  14
  15 // An infobar delegate that presents the user with a choice to allow or deny
  16 // multiple downloads from the same site. This confirmation step protects
  17 // against "carpet-bombing", where a malicious site forces multiple downloads
  18 // on an unsuspecting user.
  19 class DownloadRequestInfoBarDelegate : public ConfirmInfoBarDelegate {
  20  public:
  21   typedef base::Callback<void(
  22       InfoBarService* infobar_service,
  23       base::WeakPtr<DownloadRequestLimiter::TabDownloadState> host)>
  24     FakeCreateCallback;
  25
  26   ~DownloadRequestInfoBarDelegate() override;
  27
  28   // Creates a download request delegate and adds it to |infobar_service|.
  29   static void Create(
  30       InfoBarService* infobar_service,
  31       base::WeakPtr<DownloadRequestLimiter::TabDownloadState> host);
  32
  33 #if defined(UNIT_TEST)
  34   static scoped_ptr<DownloadRequestInfoBarDelegate> Create(
  35       base::WeakPtr<DownloadRequestLimiter::TabDownloadState> host) {
  36     return scoped_ptr<DownloadRequestInfoBarDelegate>(
  37         new DownloadRequestInfoBarDelegate(host));
  38   }
  39 #endif
  40
  41   static void SetCallbackForTesting(FakeCreateCallback* callback);
  42
  43  private:
  44   static FakeCreateCallback* callback_;
  45
  46   explicit DownloadRequestInfoBarDelegate(
  47       base::WeakPtr<DownloadRequestLimiter::TabDownloadState> host);
  48
  49   // ConfirmInfoBarDelegate:
  50   int GetIconId() const override;
  51   base::string16 GetMessageText() const override;
  52   base::string16 GetButtonLabel(InfoBarButton button) const override;
  53   bool Accept() override;
  54   bool Cancel() override;
  55
  56   bool responded_;
  57   base::WeakPtr<DownloadRequestLimiter::TabDownloadState> host_;
  58
  59   DISALLOW_COPY_AND_ASSIGN(DownloadRequestInfoBarDelegate);
  60 };
  61
  62 #endif  // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_REQUEST_INFOBAR_DELEGATE_H_