chrome/browser/extensions/extension_installer.h

   1 // Copyright 2013 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_INSTALLER_H_
   6 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_INSTALLER_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/memory/weak_ptr.h"
  12 #include "base/strings/string16.h"
  13 #include "chrome/browser/extensions/extension_service.h"
  14 #include "chrome/browser/extensions/requirements_checker.h"
  15 #include "extensions/common/extension.h"
  16
  17 class Profile;
  18
  19 namespace content {
  20 class WebContents;
  21 }
  22
  23 namespace extensions {
  24
  25
  26 // Holds common methods and data of extension installers.
  27 class ExtensionInstaller {
  28  public:
  29   typedef base::Callback<void(std::vector<std::string>)> RequirementsCallback;
  30
  31   explicit ExtensionInstaller(Profile* profile);
  32   ~ExtensionInstaller();
  33
  34   // Called on the UI thread to start the requirements check on the extension
  35   void CheckRequirements(const RequirementsCallback& callback);
  36
  37   // Checks the management policy if the extension can be installed.
  38   base::string16 CheckManagementPolicy();
  39
  40   Profile* profile() const {
  41     return profile_;
  42   }
  43
  44   void set_extension(const Extension* extension) {
  45     extension_ = extension;
  46   }
  47
  48   scoped_refptr<const Extension> extension() {
  49     return extension_;
  50   }
  51
  52  private:
  53   scoped_ptr<RequirementsChecker> requirements_checker_;
  54
  55   // The Profile where the extension is being installed in.
  56   Profile* profile_;
  57
  58   // The extension we're installing. We either pass it off to ExtensionService
  59   // on success, or drop the reference on failure.
  60   scoped_refptr<const Extension> extension_;
  61
  62   base::WeakPtrFactory<ExtensionInstaller> weak_ptr_factory_;
  63
  64   DISALLOW_COPY_AND_ASSIGN(ExtensionInstaller);
  65 };
  66
  67 }  // namespace extensions
  68
  69 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_INSTALLER_H_