chrome/browser/extensions/shared_user_script_master.cc

   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 #include "chrome/browser/extensions/shared_user_script_master.h"
   6
   7 #include "chrome/browser/extensions/extension_util.h"
   8 #include "chrome/browser/profiles/profile.h"
   9 #include "chrome/common/extensions/manifest_handlers/content_scripts_handler.h"
  10 #include "extensions/browser/extension_registry.h"
  11 #include "extensions/common/host_id.h"
  12
  13 namespace extensions {
  14
  15 SharedUserScriptMaster::SharedUserScriptMaster(Profile* profile)
  16     : loader_(profile,
  17               HostID(),
  18               true /* listen_for_extension_system_loaded */),
  19       profile_(profile),
  20       extension_registry_observer_(this) {
  21   extension_registry_observer_.Add(ExtensionRegistry::Get(profile_));
  22 }
  23
  24 SharedUserScriptMaster::~SharedUserScriptMaster() {
  25 }
  26
  27 void SharedUserScriptMaster::OnExtensionLoaded(
  28     content::BrowserContext* browser_context,
  29     const Extension* extension) {
  30   loader_.AddScripts(GetScriptsMetadata(extension));
  31 }
  32
  33 void SharedUserScriptMaster::OnExtensionUnloaded(
  34     content::BrowserContext* browser_context,
  35     const Extension* extension,
  36     UnloadedExtensionInfo::Reason reason) {
  37   loader_.RemoveScripts(GetScriptsMetadata(extension));
  38 }
  39
  40 const std::set<UserScript> SharedUserScriptMaster::GetScriptsMetadata(
  41     const Extension* extension) {
  42   bool incognito_enabled = util::IsIncognitoEnabled(extension->id(), profile_);
  43   const UserScriptList& script_list =
  44       ContentScriptsInfo::GetContentScripts(extension);
  45   std::set<UserScript> script_set;
  46   for (UserScriptList::const_iterator it = script_list.begin();
  47        it != script_list.end();
  48        ++it) {
  49     UserScript script = *it;
  50     script.set_incognito_enabled(incognito_enabled);
  51     script_set.insert(script);
  52   }
  53
  54   return script_set;
  55 }
  56
  57 }  // namespace extensions