src/apps/shell/browser/shell_extensions_browser_client.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_extensions_browser_client.h"
   6
   7 #include "apps/shell/browser/shell_app_sorting.h"
   8 #include "apps/shell/browser/shell_extension_system_factory.h"
   9 #include "apps/shell/browser/shell_extension_web_contents_observer.h"
  10 #include "apps/shell/browser/shell_runtime_api_delegate.h"
  11 #include "apps/shell/common/api/generated_api.h"
  12 #include "base/prefs/pref_service.h"
  13 #include "base/prefs/pref_service_factory.h"
  14 #include "base/prefs/testing_pref_store.h"
  15 #include "components/user_prefs/pref_registry_syncable.h"
  16 #include "components/user_prefs/user_prefs.h"
  17 #include "extensions/browser/api/extensions_api_client.h"
  18 #include "extensions/browser/app_sorting.h"
  19 #include "extensions/browser/extension_function_registry.h"
  20 #include "extensions/browser/extension_host_delegate.h"
  21 #include "extensions/browser/extension_prefs.h"
  22 #include "extensions/common/api/generated_api.h"
  23
  24 using content::BrowserContext;
  25
  26 namespace extensions {
  27 namespace {
  28
  29 // See chrome::RegisterProfilePrefs() in chrome/browser/prefs/browser_prefs.cc
  30 void RegisterPrefs(user_prefs::PrefRegistrySyncable* registry) {
  31   ExtensionPrefs::RegisterProfilePrefs(registry);
  32 }
  33
  34 // A minimal ExtensionHostDelegate.
  35 class ShellExtensionHostDelegate : public ExtensionHostDelegate {
  36  public:
  37   ShellExtensionHostDelegate() {}
  38   virtual ~ShellExtensionHostDelegate() {}
  39
  40   // ExtensionHostDelegate implementation.
  41   virtual void OnExtensionHostCreated(content::WebContents* web_contents)
  42       OVERRIDE;
  43
  44   virtual void OnRenderViewCreatedForBackgroundPage(ExtensionHost* host)
  45       OVERRIDE {}
  46
  47   virtual content::JavaScriptDialogManager* GetJavaScriptDialogManager()
  48       OVERRIDE {
  49     // TODO(jamescook): Create a JavaScriptDialogManager or reuse the one from
  50     // content_shell.
  51     NOTREACHED();
  52     return NULL;
  53   }
  54
  55   virtual void CreateTab(content::WebContents* web_contents,
  56                          const std::string& extension_id,
  57                          WindowOpenDisposition disposition,
  58                          const gfx::Rect& initial_pos,
  59                          bool user_gesture) OVERRIDE {
  60     // TODO(jamescook): Should app_shell support opening popup windows?
  61     NOTREACHED();
  62   }
  63
  64   virtual void ProcessMediaAccessRequest(
  65       content::WebContents* web_contents,
  66       const content::MediaStreamRequest& request,
  67       const content::MediaResponseCallback& callback,
  68       const Extension* extension) OVERRIDE {
  69     // app_shell does not support media capture.
  70     NOTREACHED();
  71   }
  72 };
  73
  74 void ShellExtensionHostDelegate::OnExtensionHostCreated(
  75     content::WebContents* web_contents) {
  76   ShellExtensionWebContentsObserver::CreateForWebContents(web_contents);
  77 }
  78
  79 }  // namespace
  80
  81 ShellExtensionsBrowserClient::ShellExtensionsBrowserClient(
  82     BrowserContext* context)
  83     : browser_context_(context), api_client_(new ExtensionsAPIClient) {
  84   // Set up the preferences service.
  85   base::PrefServiceFactory factory;
  86   factory.set_user_prefs(new TestingPrefStore);
  87   factory.set_extension_prefs(new TestingPrefStore);
  88   // app_shell should not require syncable preferences, but for now we need to
  89   // recycle some of the RegisterProfilePrefs() code in Chrome.
  90   // TODO(jamescook): Convert this to PrefRegistrySimple.
  91   user_prefs::PrefRegistrySyncable* pref_registry =
  92       new user_prefs::PrefRegistrySyncable;
  93   // Prefs should be registered before the PrefService is created.
  94   RegisterPrefs(pref_registry);
  95   prefs_ = factory.Create(pref_registry).Pass();
  96   user_prefs::UserPrefs::Set(browser_context_, prefs_.get());
  97 }
  98
  99 ShellExtensionsBrowserClient::~ShellExtensionsBrowserClient() {}
 100
 101 bool ShellExtensionsBrowserClient::IsShuttingDown() {
 102   return false;
 103 }
 104
 105 bool ShellExtensionsBrowserClient::AreExtensionsDisabled(
 106     const base::CommandLine& command_line,
 107     BrowserContext* context) {
 108   return false;
 109 }
 110
 111 bool ShellExtensionsBrowserClient::IsValidContext(BrowserContext* context) {
 112   return context == browser_context_;
 113 }
 114
 115 bool ShellExtensionsBrowserClient::IsSameContext(BrowserContext* first,
 116                                                  BrowserContext* second) {
 117   return first == second;
 118 }
 119
 120 bool ShellExtensionsBrowserClient::HasOffTheRecordContext(
 121     BrowserContext* context) {
 122   return false;
 123 }
 124
 125 BrowserContext* ShellExtensionsBrowserClient::GetOffTheRecordContext(
 126     BrowserContext* context) {
 127   // app_shell only supports a single context.
 128   return NULL;
 129 }
 130
 131 BrowserContext* ShellExtensionsBrowserClient::GetOriginalContext(
 132     BrowserContext* context) {
 133   return context;
 134 }
 135
 136 bool ShellExtensionsBrowserClient::IsGuestSession(
 137     BrowserContext* context) const {
 138   return false;
 139 }
 140
 141 bool ShellExtensionsBrowserClient::IsExtensionIncognitoEnabled(
 142     const std::string& extension_id,
 143     content::BrowserContext* context) const {
 144   return false;
 145 }
 146
 147 bool ShellExtensionsBrowserClient::CanExtensionCrossIncognito(
 148     const extensions::Extension* extension,
 149     content::BrowserContext* context) const {
 150   return false;
 151 }
 152
 153 bool ShellExtensionsBrowserClient::IsWebViewRequest(
 154     net::URLRequest* request) const {
 155   return false;
 156 }
 157
 158 net::URLRequestJob*
 159 ShellExtensionsBrowserClient::MaybeCreateResourceBundleRequestJob(
 160     net::URLRequest* request,
 161     net::NetworkDelegate* network_delegate,
 162     const base::FilePath& directory_path,
 163     const std::string& content_security_policy,
 164     bool send_cors_header) {
 165   return NULL;
 166 }
 167
 168 bool ShellExtensionsBrowserClient::AllowCrossRendererResourceLoad(
 169     net::URLRequest* request,
 170     bool is_incognito,
 171     const Extension* extension,
 172     InfoMap* extension_info_map) {
 173   // Note: This may need to change if app_shell supports webview.
 174   return false;
 175 }
 176
 177 PrefService* ShellExtensionsBrowserClient::GetPrefServiceForContext(
 178     BrowserContext* context) {
 179   return prefs_.get();
 180 }
 181
 182 void ShellExtensionsBrowserClient::GetEarlyExtensionPrefsObservers(
 183     content::BrowserContext* context,
 184     std::vector<ExtensionPrefsObserver*>* observers) const {}
 185
 186 bool ShellExtensionsBrowserClient::DeferLoadingBackgroundHosts(
 187     BrowserContext* context) const {
 188   return false;
 189 }
 190
 191 bool ShellExtensionsBrowserClient::IsBackgroundPageAllowed(
 192     BrowserContext* context) const {
 193   return true;
 194 }
 195
 196 scoped_ptr<ExtensionHostDelegate>
 197 ShellExtensionsBrowserClient::CreateExtensionHostDelegate() {
 198   return scoped_ptr<ExtensionHostDelegate>(new ShellExtensionHostDelegate);
 199 }
 200
 201 bool ShellExtensionsBrowserClient::DidVersionUpdate(BrowserContext* context) {
 202   // TODO(jamescook): We might want to tell extensions when app_shell updates.
 203   return false;
 204 }
 205
 206 scoped_ptr<AppSorting> ShellExtensionsBrowserClient::CreateAppSorting() {
 207   return scoped_ptr<AppSorting>(new apps::ShellAppSorting);
 208 }
 209
 210 bool ShellExtensionsBrowserClient::IsRunningInForcedAppMode() {
 211   return false;
 212 }
 213
 214 ApiActivityMonitor* ShellExtensionsBrowserClient::GetApiActivityMonitor(
 215     BrowserContext* context) {
 216   // app_shell doesn't monitor API function calls or events.
 217   return NULL;
 218 }
 219
 220 ExtensionSystemProvider*
 221 ShellExtensionsBrowserClient::GetExtensionSystemFactory() {
 222   return ShellExtensionSystemFactory::GetInstance();
 223 }
 224
 225 void ShellExtensionsBrowserClient::RegisterExtensionFunctions(
 226     ExtensionFunctionRegistry* registry) const {
 227   // Register core extension-system APIs.
 228   extensions::core_api::GeneratedFunctionRegistry::RegisterAll(registry);
 229
 230   // Register chrome.shell APIs.
 231   apps::shell_api::GeneratedFunctionRegistry::RegisterAll(registry);
 232 }
 233
 234 scoped_ptr<RuntimeAPIDelegate>
 235 ShellExtensionsBrowserClient::CreateRuntimeAPIDelegate(
 236     content::BrowserContext* context) const {
 237   return scoped_ptr<RuntimeAPIDelegate>(new apps::ShellRuntimeAPIDelegate());
 238 }
 239
 240 }  // namespace extensions