extensions/browser/install/crx_install_error.h

   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 EXTENSIONS_BROWSER_INSTALL_CRX_INSTALL_ERROR_H_
   6 #define EXTENSIONS_BROWSER_INSTALL_CRX_INSTALL_ERROR_H_
   7
   8 #include "base/strings/string16.h"
   9
  10 namespace extensions {
  11
  12 // Simple error class for CrxInstaller.
  13 class CrxInstallError {
  14  public:
  15   // Typed errors that need to be handled specially by clients.
  16   // ERROR_OFF_STORE for disallowed off-store installations.
  17   // ERROR_DECLINED for situations when a .crx file seems to be OK, but there
  18   // are some policy restrictions or unmet dependencies that prevent it from
  19   // being installed.
  20   // ERROR_HASH_MISMATCH if the expected extension SHA256 hash sum is different
  21   // from the actual one.
  22   enum Type {
  23     ERROR_NONE,
  24     ERROR_OFF_STORE,
  25     ERROR_DECLINED,
  26     ERROR_HASH_MISMATCH,
  27     ERROR_OTHER
  28   };
  29
  30   CrxInstallError() : type_(ERROR_NONE) {}
  31
  32   explicit CrxInstallError(const base::string16& message)
  33       : type_(message.empty() ? ERROR_NONE : ERROR_OTHER), message_(message) {}
  34
  35   CrxInstallError(Type type, const base::string16& message)
  36       : type_(type), message_(message) {}
  37
  38   Type type() const { return type_; }
  39   const base::string16& message() const { return message_; }
  40
  41  private:
  42   Type type_;
  43   base::string16 message_;
  44 };
  45
  46 }  // namespace extensions
  47
  48 #endif  // EXTENSIONS_BROWSER_INSTALL_CRX_INSTALL_ERROR_H_