Refactor ExtensionManagement

chrome/browser/extensions/extension_management_internal.h

+// Copyright 2014 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_EXTENSIONS_EXTENSION_MANAGEMENT_INTERNAL_H_
+#define CHROME_BROWSER_EXTENSIONS_EXTENSION_MANAGEMENT_INTERNAL_H_
+
+#include <string>
+#include <vector>
+
+#include "base/macros.h"
+#include "chrome/browser/extensions/extension_management.h"
+#include "extensions/common/manifest.h"
+
+namespace base {
+class DictionaryValue;
+}  // namespace base
+
+namespace extensions {
+
+class URLPatternSet;
+
+namespace internal {
+
+// Class to hold extension management settings for one or a group of
+// extensions. Settings can be applied to an individual extension identified
+// by an ID, a group of extensions with specific |update_url| or all
+// extensions at once.
+struct IndividualSettings {
+  enum ParsingScope {
+    // Parses the default settings.
+    SCOPE_DEFAULT = 0,
+    // Parses the settings for an extension with specified extension ID.
+    SCOPE_INDIVIDUAL,
+  };
+
+  IndividualSettings();
+  ~IndividualSettings();
+
+  void Reset();
+
+  // Parses the individual settings. |dict| is the a sub-dictionary in extension
+  // management preference and |scope| represents the applicable range of the
+  // settings, a single extension, a group of extensions or default settings.
+  // Note that in case of parsing errors, |this| will NOT be left untouched.
+  bool Parse(const base::DictionaryValue* dict, ParsingScope scope);
+
+  // Extension installation mode. Setting this to INSTALLATION_FORCED or
+  // INSTALLATION_RECOMMENDED will enable extension auto-loading (only
+  // applicable to single extension), and in this case the |update_url| must
+  // be specified, containing the update URL for this extension.
+  // Note that |update_url| will be ignored for INSTALLATION_ALLOWED and
+  // INSTALLATION_BLOCKED installation mode.
+  // These settings will override the default settings, and unspecified
+  // settings will take value from default settings.
+  ExtensionManagement::InstallationMode installation_mode;
+  std::string update_url;
+
+ private:
+  DISALLOW_ASSIGN(IndividualSettings);
+};
+
+// Global extension management settings, applicable to all extensions.
+struct GlobalSettings {
+  GlobalSettings();
+  ~GlobalSettings();
+
+  void Reset();
+
+  // Settings specifying which URLs are allowed to install extensions, will be
+  // enforced only if |has_restricted_install_sources| is set to true.
+  URLPatternSet install_sources;
+  bool has_restricted_install_sources;
+
+  // Settings specifying all allowed app/extension types, will be enforced
+  // only of |has_restricted_allowed_types| is set to true.
+  std::vector<Manifest::Type> allowed_types;
+  bool has_restricted_allowed_types;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(GlobalSettings);
+};
+
+}  // namespace internal
+
+}  // namespace extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_MANAGEMENT_INTERNAL_H_