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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_CHROMEOS_IMAGEBURNER_BURN_CONTROLLER_H_
6 #define CHROME_BROWSER_CHROMEOS_IMAGEBURNER_BURN_CONTROLLER_H_
7 
8 #include <vector>
9 
10 #include "base/basictypes.h"
11 #include "chrome/browser/chromeos/imageburner/burn_manager.h"
12 #include "chromeos/disks/disk_mount_manager.h"
13 
14 namespace base {
15 class FilePath;
16 class TimeDelta;
17 }
18 
19 namespace content {
20 class WebContents;
21 }
22 
23 namespace chromeos {
24 namespace imageburner {
25 
26 // A class to control recovery media creating process.
27 class BurnController {
28  public:
29   class Delegate {
30    public:
31     // Called when recovery image is successfully burnt.
32     virtual void OnSuccess() = 0;
33     // Called when something goes wrong.
34     virtual void OnFail(int error_message_id) = 0;
35     // Called when a burnable device is added.
36     virtual void OnDeviceAdded(const disks::DiskMountManager::Disk& disk) = 0;
37     // Called when a burnable device is removed.
38     virtual void OnDeviceRemoved(const disks::DiskMountManager::Disk& disk) = 0;
39     // Called when device is too small.
40     virtual void OnDeviceTooSmall(int64 device_size) = 0;
41     // Called when some progress is made.
42     virtual void OnProgress(ProgressType progress_type,
43                             int64 amount_finished,
44                             int64 amount_total) = 0;
45     // Called when some progress is made and remaining time estimation is
46     // available.
47     virtual void OnProgressWithRemainingTime(
48         ProgressType progress_type,
49         int64 amount_finished,
50         int64 amount_total,
51         const base::TimeDelta& time_remaining) = 0;
52     // Called when network is connected.
53     virtual void OnNetworkDetected() = 0;
54     // Called when an error occurs because there is no network connection.
55     virtual void OnNoNetwork() = 0;
56   };
57 
~BurnController()58   virtual ~BurnController() {}
59 
60   // Initializes the instance.
61   virtual void Init() = 0;
62   // Returns devices on which we can burn recovery image.
63   virtual std::vector<disks::DiskMountManager::Disk> GetBurnableDevices() = 0;
64   // Starts burning process.
65   virtual void StartBurnImage(const base::FilePath& target_device_path,
66                               const base::FilePath& target_file_path) = 0;
67   // Cancels burning process.
68   virtual void CancelBurnImage() = 0;
69   // Creates a new instance of BurnController.
70   static BurnController* CreateBurnController(
71       content::WebContents* web_contents, Delegate* delegate);
72 
73  protected:
BurnController()74   BurnController() {}
75 
76  private:
77   DISALLOW_COPY_AND_ASSIGN(BurnController);
78 };
79 
80 }  // namespace imageburner
81 }  // namespace chromeos
82 
83 #endif  // CHROME_BROWSER_CHROMEOS_IMAGEBURNER_BURN_CONTROLLER_H_
84