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      1 // Copyright (c) 2012 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_EXTENSIONS_API_NOTIFICATIONS_NOTIFICATIONS_API_H_
      6 #define CHROME_BROWSER_EXTENSIONS_API_NOTIFICATIONS_NOTIFICATIONS_API_H_
      7 
      8 #include <string>
      9 
     10 #include "base/memory/ref_counted.h"
     11 #include "chrome/browser/extensions/chrome_extension_function.h"
     12 #include "chrome/common/extensions/api/notifications.h"
     13 #include "extensions/browser/extension_function.h"
     14 #include "ui/message_center/notification_types.h"
     15 
     16 class Notification;
     17 
     18 namespace extensions {
     19 
     20 class NotificationsApiFunction : public ChromeAsyncExtensionFunction {
     21  public:
     22   // Whether the current extension and channel allow the API. Public for
     23   // testing.
     24   bool IsNotificationsApiAvailable();
     25 
     26  protected:
     27   NotificationsApiFunction();
     28   virtual ~NotificationsApiFunction();
     29 
     30   bool CreateNotification(const std::string& id,
     31                           api::notifications::NotificationOptions* options);
     32   bool UpdateNotification(const std::string& id,
     33                           api::notifications::NotificationOptions* options,
     34                           Notification* notification);
     35 
     36   bool IsNotificationsApiEnabled() const;
     37 
     38   bool AreExtensionNotificationsAllowed() const;
     39 
     40   // Returns true if the API function is still allowed to run even when the
     41   // notifications for a notifier have been disabled.
     42   virtual bool CanRunWhileDisabled() const;
     43 
     44   // Called inside of RunAsync.
     45   virtual bool RunNotificationsApi() = 0;
     46 
     47   // UITHreadExtensionFunction:
     48   virtual bool RunAsync() OVERRIDE;
     49 
     50   message_center::NotificationType MapApiTemplateTypeToType(
     51       api::notifications::TemplateType type);
     52 };
     53 
     54 class NotificationsCreateFunction : public NotificationsApiFunction {
     55  public:
     56   NotificationsCreateFunction();
     57 
     58   // NotificationsApiFunction:
     59   virtual bool RunNotificationsApi() OVERRIDE;
     60 
     61  protected:
     62   virtual ~NotificationsCreateFunction();
     63 
     64  private:
     65   scoped_ptr<api::notifications::Create::Params> params_;
     66 
     67   DECLARE_EXTENSION_FUNCTION("notifications.create", NOTIFICATIONS_CREATE)
     68 };
     69 
     70 class NotificationsUpdateFunction : public NotificationsApiFunction {
     71  public:
     72   NotificationsUpdateFunction();
     73 
     74   // NotificationsApiFunction:
     75   virtual bool RunNotificationsApi() OVERRIDE;
     76 
     77  protected:
     78   virtual ~NotificationsUpdateFunction();
     79 
     80  private:
     81   scoped_ptr<api::notifications::Update::Params> params_;
     82 
     83   DECLARE_EXTENSION_FUNCTION("notifications.update", NOTIFICATIONS_UPDATE)
     84 };
     85 
     86 class NotificationsClearFunction : public NotificationsApiFunction {
     87  public:
     88   NotificationsClearFunction();
     89 
     90   // NotificationsApiFunction:
     91   virtual bool RunNotificationsApi() OVERRIDE;
     92 
     93  protected:
     94   virtual ~NotificationsClearFunction();
     95 
     96  private:
     97   scoped_ptr<api::notifications::Clear::Params> params_;
     98 
     99   DECLARE_EXTENSION_FUNCTION("notifications.clear", NOTIFICATIONS_CLEAR)
    100 };
    101 
    102 class NotificationsGetAllFunction : public NotificationsApiFunction {
    103  public:
    104   NotificationsGetAllFunction();
    105 
    106   // NotificationsApiFunction:
    107   virtual bool RunNotificationsApi() OVERRIDE;
    108 
    109  protected:
    110   virtual ~NotificationsGetAllFunction();
    111 
    112  private:
    113   DECLARE_EXTENSION_FUNCTION("notifications.getAll", NOTIFICATIONS_GET_ALL)
    114 };
    115 
    116 class NotificationsGetPermissionLevelFunction
    117     : public NotificationsApiFunction {
    118  public:
    119   NotificationsGetPermissionLevelFunction();
    120 
    121   // NotificationsApiFunction:
    122   virtual bool CanRunWhileDisabled() const OVERRIDE;
    123   virtual bool RunNotificationsApi() OVERRIDE;
    124 
    125  protected:
    126   virtual ~NotificationsGetPermissionLevelFunction();
    127 
    128  private:
    129   DECLARE_EXTENSION_FUNCTION("notifications.getPermissionLevel",
    130                              NOTIFICATIONS_GET_ALL)
    131 };
    132 
    133 }  // namespace extensions
    134 
    135 #endif  // CHROME_BROWSER_EXTENSIONS_API_NOTIFICATIONS_NOTIFICATIONS_API_H_
    136