summaryrefslogtreecommitdiffstats
path: root/chrome/browser/pepper_flash_settings_manager.h
blob: 10489126b225ea7a10e425736ab9f2c4cf54d4b1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_PEPPER_FLASH_SETTINGS_MANAGER_H_
#define CHROME_BROWSER_PEPPER_FLASH_SETTINGS_MANAGER_H_
#pragma once

#include "base/basictypes.h"
#include "base/memory/ref_counted.h"
#include "ppapi/c/private/ppp_flash_browser_operations.h"
#include "ppapi/shared_impl/ppp_flash_browser_operations_shared.h"

class PluginPrefs;
class PrefService;

namespace content {
class BrowserContext;
}

namespace webkit {
struct WebPluginInfo;
}

// PepperFlashSettingsManager communicates with a PPAPI broker process to
// read/write Pepper Flash settings.
class PepperFlashSettingsManager {
 public:
  class Client {
   public:
    virtual ~Client() {}

    virtual void OnDeauthorizeContentLicensesCompleted(uint32 request_id,
                                                       bool success) {}
    virtual void OnGetPermissionSettingsCompleted(
        uint32 request_id,
        bool success,
        PP_Flash_BrowserOperations_Permission default_permission,
        const ppapi::FlashSiteSettings& sites) {}

    virtual void OnSetDefaultPermissionCompleted(uint32 request_id,
                                                 bool success) {}

    virtual void OnSetSitePermissionCompleted(uint32 request_id,
                                              bool success) {}
  };

  // |client| must outlive this object. It is guaranteed that |client| won't
  // receive any notifications after this object goes away.
  PepperFlashSettingsManager(Client* client,
                             content::BrowserContext* browser_context);
  ~PepperFlashSettingsManager();

  // |plugin_info| will be updated if it is not NULL and the method returns
  // true.
  static bool IsPepperFlashInUse(PluginPrefs* plugin_prefs,
                                 webkit::WebPluginInfo* plugin_info);

  static void RegisterUserPrefs(PrefService* prefs);

  // Requests to deauthorize content licenses.
  // Client::OnDeauthorizeContentLicensesCompleted() will be called when the
  // operation is completed.
  // The return value is the same as the request ID passed into
  // Client::OnDeauthorizeContentLicensesCompleted().
  uint32 DeauthorizeContentLicenses();

  // Gets permission settings.
  // Client::OnGetPermissionSettingsCompleted() will be called when the
  // operation is completed.
  uint32 GetPermissionSettings(
      PP_Flash_BrowserOperations_SettingType setting_type);

  // Sets default permission.
  // Client::OnSetDefaultPermissionCompleted() will be called when the
  // operation is completed.
  uint32 SetDefaultPermission(
      PP_Flash_BrowserOperations_SettingType setting_type,
      PP_Flash_BrowserOperations_Permission permission,
      bool clear_site_specific);

  // Sets site-specific permission.
  // Client::OnSetSitePermissionCompleted() will be called when the operation
  // is completed.
  uint32 SetSitePermission(PP_Flash_BrowserOperations_SettingType setting_type,
                           const ppapi::FlashSiteSettings& sites);

 private:
  // Core does most of the work. It is ref-counted so that its lifespan can be
  // independent of the containing object's:
  // - The manager can be deleted on the UI thread while the core still being
  // used on the I/O thread.
  // - The manager can delete the core when it encounters errors and create
  // another one to handle new requests.
  class Core;

  uint32 GetNextRequestId();

  void EnsureCoreExists();

  // Notified by |core_| when an error occurs.
  void OnError();

  // |client_| is not owned by this object and must outlive it.
  Client* client_;

  // The browser context for the profile.
  content::BrowserContext* browser_context_;

  scoped_refptr<Core> core_;

  uint32 next_request_id_;

  DISALLOW_COPY_AND_ASSIGN(PepperFlashSettingsManager);
};

#endif  // CHROME_BROWSER_PEPPER_FLASH_SETTINGS_MANAGER_H_