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      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 CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_NOTIFICATION_MANAGER_H_
      6 #define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_NOTIFICATION_MANAGER_H_
      7 
      8 #include <map>
      9 #include <string>
     10 
     11 #include "base/callback.h"
     12 #include "base/memory/scoped_ptr.h"
     13 #include "chrome/browser/chromeos/file_system_provider/notification_manager_interface.h"
     14 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_info.h"
     15 #include "chrome/browser/extensions/app_icon_loader.h"
     16 
     17 class Profile;
     18 
     19 namespace gfx {
     20 class Image;
     21 class ImageSkia;
     22 }  // message gfx
     23 
     24 namespace message_center {
     25 class Notification;
     26 }  // namespace message_center
     27 
     28 namespace chromeos {
     29 namespace file_system_provider {
     30 
     31 // Provided file systems's manager for showing notifications. Shows always
     32 // up to one notification. If more than one request is unresponsive, then
     33 // all of them will be aborted when clicking on the notification button.
     34 class NotificationManager : public NotificationManagerInterface,
     35                             public extensions::AppIconLoader::Delegate {
     36  public:
     37   NotificationManager(Profile* profile,
     38                       const ProvidedFileSystemInfo& file_system_info);
     39   virtual ~NotificationManager();
     40 
     41   // NotificationManagerInterface overrides:
     42   virtual void ShowUnresponsiveNotification(
     43       int id,
     44       const NotificationCallback& callback) OVERRIDE;
     45   virtual void HideUnresponsiveNotification(int id) OVERRIDE;
     46 
     47   // Invoked when a button on the notification is clicked.
     48   void OnButtonClick(int button_index);
     49 
     50   // Invoked when the notification failed to show up.
     51   void OnError();
     52 
     53   // Invoked when the notification got closed either by user or by system.
     54   void OnClose();
     55 
     56   // extensions::AppIconLoader::Delegate overrides:
     57   virtual void SetAppImage(const std::string& id,
     58                            const gfx::ImageSkia& image) OVERRIDE;
     59 
     60  private:
     61   typedef std::map<int, NotificationCallback> CallbackMap;
     62 
     63   // Creates a notification object for the actual state of the manager.
     64   scoped_ptr<message_center::Notification> CreateNotification();
     65 
     66   // Handles a notification result by calling all registered callbacks and
     67   // clearing the list.
     68   void OnNotificationResult(NotificationResult result);
     69 
     70   Profile* profile_;  // Not owned.
     71   ProvidedFileSystemInfo file_system_info_;
     72   CallbackMap callbacks_;
     73   scoped_ptr<extensions::AppIconLoader> icon_loader_;
     74   scoped_ptr<gfx::Image> extension_icon_;
     75 
     76   DISALLOW_COPY_AND_ASSIGN(NotificationManager);
     77 };
     78 
     79 }  // namespace file_system_provider
     80 }  // namespace chromeos
     81 
     82 #endif  // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_NOTIFICATION_MANAGER_H_
     83