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      1 // Copyright (c) 2006-2008 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_AUTOMATION_AUTOMATION_PROVIDER_LIST_H_
      6 #define CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_LIST_H_
      7 #pragma once
      8 
      9 #include <vector>
     10 #include "base/basictypes.h"
     11 
     12 class AutomationProvider;
     13 
     14 // Stores a list of all AutomationProvider objects.
     15 class AutomationProviderList {
     16  public:
     17   ~AutomationProviderList();
     18   typedef std::vector<AutomationProvider*> list_type;
     19   typedef list_type::iterator iterator;
     20   typedef list_type::const_iterator const_iterator;
     21 
     22   // Adds and removes automation providers from the global list.
     23   bool AddProvider(AutomationProvider* provider);
     24   bool RemoveProvider(AutomationProvider* provider);
     25 
     26   const_iterator begin() {
     27     return automation_providers_.begin();
     28   }
     29 
     30   const_iterator end() {
     31     return automation_providers_.end();
     32   }
     33 
     34   size_t size() {
     35     return automation_providers_.size();
     36   }
     37 
     38   static AutomationProviderList* GetInstance();
     39 
     40  private:
     41   AutomationProviderList();
     42   void OnLastProviderRemoved();
     43   list_type automation_providers_;
     44   static AutomationProviderList* instance_;
     45 
     46   DISALLOW_COPY_AND_ASSIGN(AutomationProviderList);
     47 };
     48 
     49 #endif  // CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_LIST_H_
     50