src/apps/shell/browser/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/browser/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_registry.h"
  21 #include "extensions/browser/info_map.h"
  22 #include "extensions/browser/lazy_background_task_queue.h"
  23 #include "extensions/browser/process_manager.h"
  24 #include "extensions/browser/quota_service.h"
  25 #include "extensions/browser/runtime_data.h"
  26
  27 using content::BrowserContext;
  28 using content::BrowserThread;
  29
  30 namespace extensions {
  31
  32 ShellExtensionSystem::ShellExtensionSystem(BrowserContext* browser_context)
  33     : browser_context_(browser_context) {
  34 }
  35
  36 ShellExtensionSystem::~ShellExtensionSystem() {
  37 }
  38
  39 bool ShellExtensionSystem::LoadAndLaunchApp(const base::FilePath& app_dir) {
  40   std::string load_error;
  41   scoped_refptr<Extension> extension =
  42       extension_file_util::LoadExtension(app_dir,
  43                                          extensions::Manifest::COMMAND_LINE,
  44                                          Extension::NO_FLAGS,
  45                                          &load_error);
  46   if (!extension) {
  47     LOG(ERROR) << "Loading extension at " << app_dir.value()
  48         << " failed with: " << load_error;
  49     return false;
  50   }
  51
  52   // TODO(jamescook): We may want to do some of these things here:
  53   // * Create a PermissionsUpdater.
  54   // * Call PermissionsUpdater::GrantActivePermissions().
  55   // * Call ExtensionService::SatisfyImports().
  56   // * Call ExtensionPrefs::OnExtensionInstalled().
  57   // * Send NOTIFICATION_EXTENSION_INSTALLED.
  58
  59   ExtensionRegistry::Get(browser_context_)->AddEnabled(extension);
  60
  61   RegisterExtensionWithRequestContexts(extension);
  62
  63   content::NotificationService::current()->Notify(
  64       chrome::NOTIFICATION_EXTENSION_LOADED,
  65       content::Source<BrowserContext>(browser_context_),
  66       content::Details<const Extension>(extension));
  67
  68   // Inform the rest of the extensions system to start.
  69   ready_.Signal();
  70   content::NotificationService::current()->Notify(
  71       chrome::NOTIFICATION_EXTENSIONS_READY,
  72       content::Source<BrowserContext>(browser_context_),
  73       content::NotificationService::NoDetails());
  74
  75   // This is effectively the same behavior as
  76   // extensions::AppEventRouter::DispatchOnLaunchedEvent without any dependency
  77   // on ExtensionSystem or Profile.
  78   scoped_ptr<base::DictionaryValue> launch_data(new base::DictionaryValue());
  79   launch_data->SetBoolean("isKioskSession", false);
  80   scoped_ptr<base::ListValue> event_args(new base::ListValue());
  81   event_args->Append(launch_data.release());
  82   scoped_ptr<Event> event(
  83       new Event("app.runtime.onLaunched", event_args.Pass()));
  84   event_router_->DispatchEventWithLazyListener(extension->id(), event.Pass());
  85
  86   return true;
  87 }
  88
  89 void ShellExtensionSystem::Shutdown() {
  90 }
  91
  92 void ShellExtensionSystem::InitForRegularProfile(bool extensions_enabled) {
  93   runtime_data_.reset(
  94       new RuntimeData(ExtensionRegistry::Get(browser_context_)));
  95   lazy_background_task_queue_.reset(
  96       new LazyBackgroundTaskQueue(browser_context_));
  97   event_router_.reset(
  98       new EventRouter(browser_context_, ExtensionPrefs::Get(browser_context_)));
  99   process_manager_.reset(ProcessManager::Create(browser_context_));
 100   quota_service_.reset(new QuotaService);
 101 }
 102
 103 ExtensionService* ShellExtensionSystem::extension_service() {
 104   return NULL;
 105 }
 106
 107 RuntimeData* ShellExtensionSystem::runtime_data() {
 108   return runtime_data_.get();
 109 }
 110
 111 ManagementPolicy* ShellExtensionSystem::management_policy() {
 112   return NULL;
 113 }
 114
 115 UserScriptMaster* ShellExtensionSystem::user_script_master() {
 116   return NULL;
 117 }
 118
 119 ProcessManager* ShellExtensionSystem::process_manager() {
 120   return process_manager_.get();
 121 }
 122
 123 StateStore* ShellExtensionSystem::state_store() {
 124   return NULL;
 125 }
 126
 127 StateStore* ShellExtensionSystem::rules_store() {
 128   return NULL;
 129 }
 130
 131 InfoMap* ShellExtensionSystem::info_map() {
 132   if (!info_map_.get())
 133     info_map_ = new InfoMap;
 134   return info_map_;
 135 }
 136
 137 LazyBackgroundTaskQueue* ShellExtensionSystem::lazy_background_task_queue() {
 138   return lazy_background_task_queue_.get();
 139 }
 140
 141 EventRouter* ShellExtensionSystem::event_router() {
 142   return event_router_.get();
 143 }
 144
 145 ExtensionWarningService* ShellExtensionSystem::warning_service() {
 146   return NULL;
 147 }
 148
 149 Blacklist* ShellExtensionSystem::blacklist() {
 150   return NULL;
 151 }
 152
 153 ErrorConsole* ShellExtensionSystem::error_console() {
 154   return NULL;
 155 }
 156
 157 InstallVerifier* ShellExtensionSystem::install_verifier() {
 158   return NULL;
 159 }
 160
 161 QuotaService* ShellExtensionSystem::quota_service() {
 162   return quota_service_.get();
 163 }
 164
 165 void ShellExtensionSystem::RegisterExtensionWithRequestContexts(
 166     const Extension* extension) {
 167   BrowserThread::PostTask(
 168       BrowserThread::IO, FROM_HERE,
 169       base::Bind(&InfoMap::AddExtension, info_map(),
 170                  make_scoped_refptr(extension), base::Time::Now(),
 171                  false, false));
 172 }
 173
 174 void ShellExtensionSystem::UnregisterExtensionWithRequestContexts(
 175     const std::string& extension_id,
 176     const UnloadedExtensionInfo::Reason reason) {
 177 }
 178
 179 const OneShotEvent& ShellExtensionSystem::ready() const {
 180   return ready_;
 181 }
 182
 183 }  // namespace extensions