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_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/quota_service.h"
  27 #include "extensions/browser/runtime_data.h"
  28
  29 using content::BrowserContext;
  30 using content::BrowserThread;
  31
  32 namespace extensions {
  33
  34 ShellExtensionSystem::ShellExtensionSystem(BrowserContext* browser_context)
  35     : browser_context_(browser_context) {
  36 }
  37
  38 ShellExtensionSystem::~ShellExtensionSystem() {
  39 }
  40
  41 // static
  42 std::vector<BrowserContextKeyedServiceFactory*>
  43 ShellExtensionSystem::GetDependencies() {
  44   std::vector<BrowserContextKeyedServiceFactory*> depends_on;
  45   depends_on.push_back(ExtensionPrefsFactory::GetInstance());
  46   depends_on.push_back(ExtensionRegistryFactory::GetInstance());
  47   return depends_on;
  48 }
  49
  50 bool ShellExtensionSystem::LoadAndLaunchApp(const base::FilePath& app_dir) {
  51   std::string load_error;
  52   scoped_refptr<Extension> extension =
  53       extension_file_util::LoadExtension(app_dir,
  54                                          extensions::Manifest::COMMAND_LINE,
  55                                          Extension::NO_FLAGS,
  56                                          &load_error);
  57   if (!extension) {
  58     LOG(ERROR) << "Loading extension at " << app_dir.value()
  59         << " failed with: " << load_error;
  60     return false;
  61   }
  62
  63   // TODO(jamescook): We may want to do some of these things here:
  64   // * Create a PermissionsUpdater.
  65   // * Call PermissionsUpdater::GrantActivePermissions().
  66   // * Call ExtensionService::SatisfyImports().
  67   // * Call ExtensionPrefs::OnExtensionInstalled().
  68   // * Send NOTIFICATION_EXTENSION_INSTALLED.
  69
  70   ExtensionRegistry::Get(browser_context_)->AddEnabled(extension);
  71
  72   RegisterExtensionWithRequestContexts(extension);
  73
  74   content::NotificationService::current()->Notify(
  75       chrome::NOTIFICATION_EXTENSION_LOADED,
  76       content::Source<BrowserContext>(browser_context_),
  77       content::Details<const Extension>(extension));
  78
  79   // Inform the rest of the extensions system to start.
  80   ready_.Signal();
  81   content::NotificationService::current()->Notify(
  82       chrome::NOTIFICATION_EXTENSIONS_READY,
  83       content::Source<BrowserContext>(browser_context_),
  84       content::NotificationService::NoDetails());
  85
  86   // This is effectively the same behavior as
  87   // extensions::AppEventRouter::DispatchOnLaunchedEvent without any dependency
  88   // on ExtensionSystem or Profile.
  89   scoped_ptr<base::DictionaryValue> launch_data(new base::DictionaryValue());
  90   launch_data->SetBoolean("isKioskSession", false);
  91   scoped_ptr<base::ListValue> event_args(new base::ListValue());
  92   event_args->Append(launch_data.release());
  93   scoped_ptr<Event> event(
  94       new Event("app.runtime.onLaunched", event_args.Pass()));
  95   event_router_->DispatchEventWithLazyListener(extension->id(), event.Pass());
  96
  97   return true;
  98 }
  99
 100 void ShellExtensionSystem::Shutdown() {
 101 }
 102
 103 void ShellExtensionSystem::InitForRegularProfile(bool extensions_enabled) {
 104   runtime_data_.reset(
 105       new RuntimeData(ExtensionRegistry::Get(browser_context_)));
 106   lazy_background_task_queue_.reset(
 107       new LazyBackgroundTaskQueue(browser_context_));
 108   event_router_.reset(
 109       new EventRouter(browser_context_, ExtensionPrefs::Get(browser_context_)));
 110   process_manager_.reset(ProcessManager::Create(browser_context_));
 111   quota_service_.reset(new QuotaService);
 112 }
 113
 114 ExtensionService* ShellExtensionSystem::extension_service() {
 115   return NULL;
 116 }
 117
 118 RuntimeData* ShellExtensionSystem::runtime_data() {
 119   return runtime_data_.get();
 120 }
 121
 122 ManagementPolicy* ShellExtensionSystem::management_policy() {
 123   return NULL;
 124 }
 125
 126 UserScriptMaster* ShellExtensionSystem::user_script_master() {
 127   return NULL;
 128 }
 129
 130 ProcessManager* ShellExtensionSystem::process_manager() {
 131   return process_manager_.get();
 132 }
 133
 134 StateStore* ShellExtensionSystem::state_store() {
 135   return NULL;
 136 }
 137
 138 StateStore* ShellExtensionSystem::rules_store() {
 139   return NULL;
 140 }
 141
 142 InfoMap* ShellExtensionSystem::info_map() {
 143   if (!info_map_.get())
 144     info_map_ = new InfoMap;
 145   return info_map_;
 146 }
 147
 148 LazyBackgroundTaskQueue* ShellExtensionSystem::lazy_background_task_queue() {
 149   return lazy_background_task_queue_.get();
 150 }
 151
 152 EventRouter* ShellExtensionSystem::event_router() {
 153   return event_router_.get();
 154 }
 155
 156 ExtensionWarningService* ShellExtensionSystem::warning_service() {
 157   return NULL;
 158 }
 159
 160 Blacklist* ShellExtensionSystem::blacklist() {
 161   return NULL;
 162 }
 163
 164 ErrorConsole* ShellExtensionSystem::error_console() {
 165   return NULL;
 166 }
 167
 168 InstallVerifier* ShellExtensionSystem::install_verifier() {
 169   return NULL;
 170 }
 171
 172 QuotaService* ShellExtensionSystem::quota_service() {
 173   return quota_service_.get();
 174 }
 175
 176 void ShellExtensionSystem::RegisterExtensionWithRequestContexts(
 177     const Extension* extension) {
 178   BrowserThread::PostTask(
 179       BrowserThread::IO, FROM_HERE,
 180       base::Bind(&InfoMap::AddExtension, info_map(),
 181                  make_scoped_refptr(extension), base::Time::Now(),
 182                  false, false));
 183 }
 184
 185 void ShellExtensionSystem::UnregisterExtensionWithRequestContexts(
 186     const std::string& extension_id,
 187     const UnloadedExtensionInfo::Reason reason) {
 188 }
 189
 190 const OneShotEvent& ShellExtensionSystem::ready() const {
 191   return ready_;
 192 }
 193
 194 }  // namespace extensions