ios/chrome/browser/infobars/infobar_manager_impl.h

   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 #ifndef IOS_CHROME_BROWSER_INFOBARS_INFOBAR_MANAGER_IMPL_H_
   6 #define IOS_CHROME_BROWSER_INFOBARS_INFOBAR_MANAGER_IMPL_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "components/infobars/core/infobar_manager.h"
  10 #include "ios/web/public/web_state/web_state_observer.h"
  11 #include "ios/web/public/web_state/web_state_user_data.h"
  12
  13 namespace infobars {
  14 class InfoBar;
  15 }
  16
  17 namespace web {
  18 struct LoadCommittedDetails;
  19 class WebState;
  20 }
  21
  22 // Associates a Tab to an InfoBarManager and manages its lifetime.
  23 // It responds to navigation events.
  24 class InfoBarManagerImpl : public infobars::InfoBarManager,
  25                            public web::WebStateObserver,
  26                            public web::WebStateUserData<InfoBarManagerImpl> {
  27  public:
  28   // This function must only be called on infobars that are owned by an
  29   // InfoBarManagerImpl instance (or not owned at all, in which case this
  30   // returns null).
  31   static web::WebState* WebStateFromInfoBar(infobars::InfoBar* infobar);
  32
  33  private:
  34   friend class web::WebStateUserData<InfoBarManagerImpl>;
  35
  36   explicit InfoBarManagerImpl(web::WebState* web_state);
  37   ~InfoBarManagerImpl() override;
  38
  39   // InfoBarManager implementation.
  40   int GetActiveEntryID() override;
  41   scoped_ptr<infobars::InfoBar> CreateConfirmInfoBar(
  42       scoped_ptr<ConfirmInfoBarDelegate> delegate) override;
  43
  44   // web::WebStateObserver implementation.
  45   void NavigationItemCommitted(
  46       const web::LoadCommittedDetails& load_details) override;
  47   void WebStateDestroyed() override;
  48
  49   DISALLOW_COPY_AND_ASSIGN(InfoBarManagerImpl);
  50 };
  51
  52 #endif  // IOS_CHROME_BROWSER_INFOBARS_INFOBAR_MANAGER_IMPL_H_