chrome/browser/extensions/extension_error_controller.h

   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
  12 namespace content {
  13 class BrowserContext;
  14 }
  15
  16 namespace 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.
  21 class 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   content::BrowserContext* GetContext() override;
  36   const ExtensionSet& GetExternalExtensions() override;
  37   const ExtensionSet& GetBlacklistedExtensions() override;
  38   void OnAlertDetails() override;
  39   void OnAlertAccept() override;
  40   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_