shell_extension_system.cc revision 6e8cce623b6e4fe0c9e4af605d675dd9d0338c38 
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
29using content::BrowserContext;
30using content::BrowserThread;
31
32namespace extensions {
33
34ShellExtensionSystem::ShellExtensionSystem(BrowserContext* browser_context)
35    : browser_context_(browser_context) {
36}
37
38ShellExtensionSystem::~ShellExtensionSystem() {
39}
40
41bool 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_) {
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_);
67
68  content::NotificationService::current()->Notify(
69      extensions::NOTIFICATION_EXTENSION_LOADED_DEPRECATED,
70      content::Source<BrowserContext>(browser_context_),
71      content::Details<const Extension>(extension_));
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
82void ShellExtensionSystem::LaunchApp() {
83  // Send the onLaunched event.
84  DCHECK(extension_.get());
85  AppRuntimeEventRouter::DispatchOnLaunchedEvent(browser_context_,
86                                                 extension_.get());
87}
88
89void ShellExtensionSystem::Shutdown() {
90}
91
92void 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
103ExtensionService* ShellExtensionSystem::extension_service() {
104  return NULL;
105}
106
107RuntimeData* ShellExtensionSystem::runtime_data() {
108  return runtime_data_.get();
109}
110
111ManagementPolicy* ShellExtensionSystem::management_policy() {
112  return NULL;
113}
114
115SharedUserScriptMaster* ShellExtensionSystem::shared_user_script_master() {
116  return NULL;
117}
118
119ProcessManager* ShellExtensionSystem::process_manager() {
120  return process_manager_.get();
121}
122
123StateStore* ShellExtensionSystem::state_store() {
124  return NULL;
125}
126
127StateStore* ShellExtensionSystem::rules_store() {
128  return NULL;
129}
130
131InfoMap* ShellExtensionSystem::info_map() {
132  if (!info_map_.get())
133    info_map_ = new InfoMap;
134  return info_map_;
135}
136
137LazyBackgroundTaskQueue* ShellExtensionSystem::lazy_background_task_queue() {
138  return lazy_background_task_queue_.get();
139}
140
141EventRouter* ShellExtensionSystem::event_router() {
142  return event_router_.get();
143}
144
145ExtensionWarningService* ShellExtensionSystem::warning_service() {
146  return NULL;
147}
148
149Blacklist* ShellExtensionSystem::blacklist() {
150  return NULL;
151}
152
153ErrorConsole* ShellExtensionSystem::error_console() {
154  return NULL;
155}
156
157InstallVerifier* ShellExtensionSystem::install_verifier() {
158  return NULL;
159}
160
161QuotaService* ShellExtensionSystem::quota_service() {
162  return quota_service_.get();
163}
164
165void 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
177void ShellExtensionSystem::UnregisterExtensionWithRequestContexts(
178    const std::string& extension_id,
179    const UnloadedExtensionInfo::Reason reason) {
180}
181
182const OneShotEvent& ShellExtensionSystem::ready() const {
183  return ready_;
184}
185
186ContentVerifier* ShellExtensionSystem::content_verifier() {
187  return NULL;
188}
189
190scoped_ptr<ExtensionSet> ShellExtensionSystem::GetDependentExtensions(
191    const Extension* extension) {
192  scoped_ptr<ExtensionSet> empty(new ExtensionSet());
193  return empty.PassAs<ExtensionSet>();
194}
195
196DeclarativeUserScriptMaster*
197ShellExtensionSystem::GetDeclarativeUserScriptMasterByExtension(
198    const ExtensionId& extension_id) {
199  return NULL;
200}
201
202}  // namespace extensions
203