extensions/shell/browser/shell_extension_system.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 "extensions/shell/browser/shell_extension_system.h"
   6
   7 #include <string>
   8
   9 #include "base/file_util.h"
  10 #include "base/files/file_path.h"
  11 #include "content/public/browser/browser_context.h"
  12 #include "content/public/browser/browser_thread.h"
  13 #include "content/public/browser/notification_details.h"
  14 #include "content/public/browser/notification_service.h"
  15 #include "content/public/browser/notification_source.h"
  16 #include "extensions/browser/api/app_runtime/app_runtime_api.h"
  17 #include "extensions/browser/event_router.h"
  18 #include "extensions/browser/extension_prefs.h"
  19 #include "extensions/browser/extension_registry.h"
  20 #include "extensions/browser/info_map.h"
  21 #include "extensions/browser/lazy_background_task_queue.h"
  22 #include "extensions/browser/notification_types.h"
  23 #include "extensions/browser/process_manager.h"
  24 #include "extensions/browser/quota_service.h"
  25 #include "extensions/browser/runtime_data.h"
  26 #include "extensions/common/file_util.h"
  27 #include "extensions/shell/browser/api/shell/shell_api.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 bool ShellExtensionSystem::LoadApp(const base::FilePath& app_dir) {
  42   // app_shell only supports unpacked extensions.
  43   // NOTE: If you add packed extension support consider removing the flag
  44   // FOLLOW_SYMLINKS_ANYWHERE below. Packed extensions should not have symlinks.
  45   CHECK(base::DirectoryExists(app_dir)) << app_dir.AsUTF8Unsafe();
  46   int load_flags = Extension::FOLLOW_SYMLINKS_ANYWHERE;
  47   std::string load_error;
  48   extension_ = file_util::LoadExtension(
  49       app_dir, Manifest::COMMAND_LINE, load_flags, &load_error);
  50   if (!extension_.get()) {
  51     LOG(ERROR) << "Loading extension at " << app_dir.value()
  52                << " failed with: " << load_error;
  53     return false;
  54   }
  55   app_id_ = extension_->id();
  56
  57   // TODO(jamescook): We may want to do some of these things here:
  58   // * Create a PermissionsUpdater.
  59   // * Call PermissionsUpdater::GrantActivePermissions().
  60   // * Call ExtensionService::SatisfyImports().
  61   // * Call ExtensionPrefs::OnExtensionInstalled().
  62   // * Send NOTIFICATION_EXTENSION_WILL_BE_INSTALLED_DEPRECATED.
  63
  64   ExtensionRegistry::Get(browser_context_)->AddEnabled(extension_);
  65
  66   RegisterExtensionWithRequestContexts(extension_.get());
  67
  68   content::NotificationService::current()->Notify(
  69       extensions::NOTIFICATION_EXTENSION_LOADED_DEPRECATED,
  70       content::Source<BrowserContext>(browser_context_),
  71       content::Details<const Extension>(extension_.get()));
  72
  73   // Inform the rest of the extensions system to start.
  74   ready_.Signal();
  75   content::NotificationService::current()->Notify(
  76       extensions::NOTIFICATION_EXTENSIONS_READY_DEPRECATED,
  77       content::Source<BrowserContext>(browser_context_),
  78       content::NotificationService::NoDetails());
  79   return true;
  80 }
  81
  82 void ShellExtensionSystem::LaunchApp() {
  83   // Send the onLaunched event.
  84   DCHECK(extension_.get());
  85   AppRuntimeEventRouter::DispatchOnLaunchedEvent(browser_context_,
  86                                                  extension_.get());
  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 SharedUserScriptMaster* ShellExtensionSystem::shared_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_.get();
 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 WarningService* 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(BrowserThread::IO,
 168                           FROM_HERE,
 169                           base::Bind(&InfoMap::AddExtension,
 170                                      info_map(),
 171                                      make_scoped_refptr(extension),
 172                                      base::Time::Now(),
 173                                      false,
 174                                      false));
 175 }
 176
 177 void ShellExtensionSystem::UnregisterExtensionWithRequestContexts(
 178     const std::string& extension_id,
 179     const UnloadedExtensionInfo::Reason reason) {
 180 }
 181
 182 const OneShotEvent& ShellExtensionSystem::ready() const {
 183   return ready_;
 184 }
 185
 186 ContentVerifier* ShellExtensionSystem::content_verifier() {
 187   return NULL;
 188 }
 189
 190 scoped_ptr<ExtensionSet> ShellExtensionSystem::GetDependentExtensions(
 191     const Extension* extension) {
 192   scoped_ptr<ExtensionSet> empty(new ExtensionSet());
 193   return empty.PassAs<ExtensionSet>();
 194 }
 195
 196 DeclarativeUserScriptMaster*
 197 ShellExtensionSystem::GetDeclarativeUserScriptMasterByExtension(
 198     const ExtensionId& extension_id) {
 199   return NULL;
 200 }
 201
 202 }  // namespace extensions