src/apps/shell/shell_extension_system.cc

   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 #include "apps/shell/shell_extension_system.h"
   6
   7 #include <string>
   8
   9 #include "base/command_line.h"
  10 #include "base/files/file_path.h"
  11 #include "chrome/browser/chrome_notification_types.h"
  12 #include "chrome/common/extensions/extension_file_util.h"
  13 #include "content/public/browser/browser_context.h"
  14 #include "content/public/browser/browser_thread.h"
  15 #include "content/public/browser/notification_details.h"
  16 #include "content/public/browser/notification_service.h"
  17 #include "content/public/browser/notification_source.h"
  18 #include "extensions/browser/event_router.h"
  19 #include "extensions/browser/extension_prefs.h"
  20 #include "extensions/browser/extension_prefs_factory.h"
  21 #include "extensions/browser/extension_registry.h"
  22 #include "extensions/browser/extension_registry_factory.h"
  23 #include "extensions/browser/info_map.h"
  24 #include "extensions/browser/lazy_background_task_queue.h"
  25 #include "extensions/browser/process_manager.h"
  26 #include "extensions/browser/runtime_data.h"
  27
  28 using content::BrowserContext;
  29 using content::BrowserThread;
  30
  31 namespace extensions {
  32
  33 ShellExtensionSystem::ShellExtensionSystem(BrowserContext* browser_context)
  34     : browser_context_(browser_context) {
  35 }
  36
  37 ShellExtensionSystem::~ShellExtensionSystem() {
  38 }
  39
  40 // static
  41 std::vector<BrowserContextKeyedServiceFactory*>
  42 ShellExtensionSystem::GetDependencies() {
  43   std::vector<BrowserContextKeyedServiceFactory*> depends_on;
  44   depends_on.push_back(ExtensionPrefsFactory::GetInstance());
  45   depends_on.push_back(ExtensionRegistryFactory::GetInstance());
  46   return depends_on;
  47 }
  48
  49 bool ShellExtensionSystem::LoadAndLaunchApp(const base::FilePath& app_dir) {
  50   std::string load_error;
  51   scoped_refptr<Extension> extension =
  52       extension_file_util::LoadExtension(app_dir,
  53                                          extensions::Manifest::COMMAND_LINE,
  54                                          Extension::NO_FLAGS,
  55                                          &load_error);
  56   if (!extension) {
  57     LOG(ERROR) << "Loading extension at " << app_dir.value()
  58         << " failed with: " << load_error;
  59     return false;
  60   }
  61
  62   // TODO(jamescook): We may want to do some of these things here:
  63   // * Create a PermissionsUpdater.
  64   // * Call PermissionsUpdater::GrantActivePermissions().
  65   // * Call ExtensionService::SatisfyImports().
  66   // * Call ExtensionPrefs::OnExtensionInstalled().
  67   // * Send NOTIFICATION_EXTENSION_INSTALLED.
  68
  69   ExtensionRegistry::Get(browser_context_)->AddEnabled(extension);
  70
  71   RegisterExtensionWithRequestContexts(extension);
  72
  73   content::NotificationService::current()->Notify(
  74       chrome::NOTIFICATION_EXTENSION_LOADED,
  75       content::Source<BrowserContext>(browser_context_),
  76       content::Details<const Extension>(extension));
  77
  78   // Inform the rest of the extensions system to start.
  79   ready_.Signal();
  80   content::NotificationService::current()->Notify(
  81       chrome::NOTIFICATION_EXTENSIONS_READY,
  82       content::Source<BrowserContext>(browser_context_),
  83       content::NotificationService::NoDetails());
  84
  85   return true;
  86 }
  87
  88 void ShellExtensionSystem::Shutdown() {
  89 }
  90
  91 void ShellExtensionSystem::InitForRegularProfile(bool extensions_enabled) {
  92   runtime_data_.reset(
  93       new RuntimeData(ExtensionRegistry::Get(browser_context_)));
  94   lazy_background_task_queue_.reset(
  95       new LazyBackgroundTaskQueue(browser_context_));
  96   event_router_.reset(
  97       new EventRouter(browser_context_, ExtensionPrefs::Get(browser_context_)));
  98   process_manager_.reset(ProcessManager::Create(browser_context_));
  99 }
 100
 101 ExtensionService* ShellExtensionSystem::extension_service() {
 102   return NULL;
 103 }
 104
 105 RuntimeData* ShellExtensionSystem::runtime_data() {
 106   return runtime_data_.get();
 107 }
 108
 109 ManagementPolicy* ShellExtensionSystem::management_policy() {
 110   return NULL;
 111 }
 112
 113 UserScriptMaster* ShellExtensionSystem::user_script_master() {
 114   return NULL;
 115 }
 116
 117 ProcessManager* ShellExtensionSystem::process_manager() {
 118   return process_manager_.get();
 119 }
 120
 121 StateStore* ShellExtensionSystem::state_store() {
 122   return NULL;
 123 }
 124
 125 StateStore* ShellExtensionSystem::rules_store() {
 126   return NULL;
 127 }
 128
 129 InfoMap* ShellExtensionSystem::info_map() {
 130   if (!info_map_.get())
 131     info_map_ = new InfoMap;
 132   return info_map_;
 133 }
 134
 135 LazyBackgroundTaskQueue* ShellExtensionSystem::lazy_background_task_queue() {
 136   return lazy_background_task_queue_.get();
 137 }
 138
 139 EventRouter* ShellExtensionSystem::event_router() {
 140   return event_router_.get();
 141 }
 142
 143 ExtensionWarningService* ShellExtensionSystem::warning_service() {
 144   return NULL;
 145 }
 146
 147 Blacklist* ShellExtensionSystem::blacklist() {
 148   return NULL;
 149 }
 150
 151 ErrorConsole* ShellExtensionSystem::error_console() {
 152   return NULL;
 153 }
 154
 155 InstallVerifier* ShellExtensionSystem::install_verifier() {
 156   return NULL;
 157 }
 158
 159 void ShellExtensionSystem::RegisterExtensionWithRequestContexts(
 160     const Extension* extension) {
 161   BrowserThread::PostTask(
 162       BrowserThread::IO, FROM_HERE,
 163       base::Bind(&InfoMap::AddExtension, info_map(),
 164                  make_scoped_refptr(extension), base::Time::Now(),
 165                  false, false));
 166 }
 167
 168 void ShellExtensionSystem::UnregisterExtensionWithRequestContexts(
 169     const std::string& extension_id,
 170     const UnloadedExtensionInfo::Reason reason) {
 171 }
 172
 173 const OneShotEvent& ShellExtensionSystem::ready() const {
 174   return ready_;
 175 }
 176
 177 }  // namespace extensions