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_EXTENSIONS_EXTENSION_ERROR_CONTROLLER_H_
6#define CHROME_BROWSER_EXTENSIONS_EXTENSION_ERROR_CONTROLLER_H_
7
8#include "base/memory/scoped_ptr.h"
9#include "chrome/browser/extensions/extension_error_ui.h"
10#include "extensions/common/extension_set.h"
11
12namespace content {
13class BrowserContext;
14}
15
16namespace extensions {
17
18// The controller for the ExtensionErrorUI. This examines extensions for any
19// blacklisted or external extensions in order to notify the user with an error.
20// On acceptance, this will acknowledge the extensions.
21class ExtensionErrorController : public ExtensionErrorUI::Delegate {
22 public:
23  typedef ExtensionErrorUI* (*UICreateMethod)(ExtensionErrorUI::Delegate*);
24
25  ExtensionErrorController(content::BrowserContext* context, bool is_first_run);
26  virtual ~ExtensionErrorController();
27
28  void ShowErrorIfNeeded();
29
30  // Set the factory method for creating a new ExtensionErrorUI.
31  static void SetUICreateMethodForTesting(UICreateMethod method);
32
33 private:
34  // ExtensionErrorUI::Delegate implementation:
35  virtual content::BrowserContext* GetContext() OVERRIDE;
36  virtual const ExtensionSet& GetExternalExtensions() OVERRIDE;
37  virtual const ExtensionSet& GetBlacklistedExtensions() OVERRIDE;
38  virtual void OnAlertDetails() OVERRIDE;
39  virtual void OnAlertAccept() OVERRIDE;
40  virtual void OnAlertClosed() OVERRIDE;
41
42  // Find any extensions that the user should be alerted about (like blacklisted
43  // extensions).
44  void IdentifyAlertableExtensions();
45
46  // TODO(rdevlin.cronin): We never seem to use |external_extensions_| here,
47  // but we do warn about them. Investigate more.
48  ExtensionSet external_extensions_;
49
50  // The extensions that are blacklisted and need user approval.
51  ExtensionSet blacklisted_extensions_;
52
53  // The UI component of this controller.
54  scoped_ptr<ExtensionErrorUI> error_ui_;
55
56  // The BrowserContext with which we are associated.
57  content::BrowserContext* browser_context_;
58
59  // Whether or not this is the first run. If it is, we avoid noisy errors, and
60  // silently acknowledge blacklisted extensions.
61  bool is_first_run_;
62
63  DISALLOW_COPY_AND_ASSIGN(ExtensionErrorController);
64};
65
66}  // namespace extensions
67
68#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_ERROR_CONTROLLER_H_
69