chrome/browser/extensions/chrome_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 "chrome/browser/extensions/chrome_extensions_browser_client.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/version.h"
   9 #include "chrome/browser/app_mode/app_mode_utils.h"
  10 #include "chrome/browser/browser_process.h"
  11 #include "chrome/browser/extensions/chrome_app_sorting.h"
  12 #include "chrome/browser/extensions/extension_prefs.h"
  13 #include "chrome/browser/extensions/extension_system.h"
  14 #include "chrome/browser/extensions/extension_system_factory.h"
  15 #include "chrome/browser/profiles/profile.h"
  16 #include "chrome/browser/profiles/profile_manager.h"
  17 #include "chrome/browser/ui/app_modal_dialogs/javascript_dialog_manager.h"
  18 #include "chrome/browser/ui/browser_finder.h"
  19 #include "chrome/browser/ui/prefs/prefs_tab_helper.h"
  20 #include "chrome/common/chrome_switches.h"
  21 #include "chrome/common/chrome_version_info.h"
  22 #include "chrome/common/pref_names.h"
  23 #include "extensions/browser/pref_names.h"
  24
  25 #if defined(OS_CHROMEOS)
  26 #include "chromeos/chromeos_switches.h"
  27 #endif
  28
  29 namespace extensions {
  30
  31 ChromeExtensionsBrowserClient::ChromeExtensionsBrowserClient() {}
  32
  33 ChromeExtensionsBrowserClient::~ChromeExtensionsBrowserClient() {}
  34
  35 bool ChromeExtensionsBrowserClient::IsShuttingDown() {
  36   return g_browser_process->IsShuttingDown();
  37 }
  38
  39 bool ChromeExtensionsBrowserClient::AreExtensionsDisabled(
  40     const CommandLine& command_line,
  41     content::BrowserContext* context) {
  42   Profile* profile = static_cast<Profile*>(context);
  43   return command_line.HasSwitch(switches::kDisableExtensions) ||
  44       profile->GetPrefs()->GetBoolean(prefs::kDisableExtensions);
  45 }
  46
  47 bool ChromeExtensionsBrowserClient::IsValidContext(
  48     content::BrowserContext* context) {
  49   Profile* profile = static_cast<Profile*>(context);
  50   return g_browser_process->profile_manager()->IsValidProfile(profile);
  51 }
  52
  53 bool ChromeExtensionsBrowserClient::IsSameContext(
  54     content::BrowserContext* first,
  55     content::BrowserContext* second) {
  56   return static_cast<Profile*>(first)->IsSameProfile(
  57       static_cast<Profile*>(second));
  58 }
  59
  60 bool ChromeExtensionsBrowserClient::HasOffTheRecordContext(
  61     content::BrowserContext* context) {
  62   return static_cast<Profile*>(context)->HasOffTheRecordProfile();
  63 }
  64
  65 content::BrowserContext* ChromeExtensionsBrowserClient::GetOffTheRecordContext(
  66     content::BrowserContext* context) {
  67   return static_cast<Profile*>(context)->GetOffTheRecordProfile();
  68 }
  69
  70 content::BrowserContext* ChromeExtensionsBrowserClient::GetOriginalContext(
  71     content::BrowserContext* context) {
  72   return static_cast<Profile*>(context)->GetOriginalProfile();
  73 }
  74
  75 PrefService* ChromeExtensionsBrowserClient::GetPrefServiceForContext(
  76     content::BrowserContext* context) {
  77   return static_cast<Profile*>(context)->GetPrefs();
  78 }
  79
  80 bool ChromeExtensionsBrowserClient::DeferLoadingBackgroundHosts(
  81     content::BrowserContext* context) const {
  82   Profile* profile = static_cast<Profile*>(context);
  83
  84   // The profile may not be valid yet if it is still being initialized.
  85   // In that case, defer loading, since it depends on an initialized profile.
  86   // http://crbug.com/222473
  87   if (!g_browser_process->profile_manager()->IsValidProfile(profile))
  88     return true;
  89
  90 #if defined(OS_ANDROID)
  91   return false;
  92 #else
  93   // There are no browser windows open and the browser process was
  94   // started to show the app launcher.
  95   return chrome::GetTotalBrowserCountForProfile(profile) == 0 &&
  96          CommandLine::ForCurrentProcess()->HasSwitch(switches::kShowAppList);
  97 #endif
  98 }
  99
 100 bool ChromeExtensionsBrowserClient::IsBackgroundPageAllowed(
 101     content::BrowserContext* context) const {
 102 #if defined(OS_CHROMEOS)
 103   // Returns true if current session is Chrome OS Guest mode session and current
 104   // browser context is *not* off-the-record. Such context is artificial and
 105   // background page shouldn't be created in it.
 106   const CommandLine* command_line = CommandLine::ForCurrentProcess();
 107   if (command_line->HasSwitch(chromeos::switches::kGuestSession) &&
 108       !context->IsOffTheRecord()) {
 109     return false;
 110   }
 111 #endif
 112   return true;
 113 }
 114
 115 void ChromeExtensionsBrowserClient::OnExtensionHostCreated(
 116     content::WebContents* web_contents) {
 117   PrefsTabHelper::CreateForWebContents(web_contents);
 118 }
 119
 120 bool ChromeExtensionsBrowserClient::DidVersionUpdate(
 121     content::BrowserContext* context) {
 122   Profile* profile = static_cast<Profile*>(context);
 123
 124   // Unit tests may not provide prefs; assume everything is up-to-date.
 125   ExtensionPrefs* extension_prefs = ExtensionPrefs::Get(profile);
 126   if (!extension_prefs)
 127     return false;
 128
 129   // If we're inside a browser test, then assume prefs are all up-to-date.
 130   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kTestType))
 131     return false;
 132
 133   PrefService* pref_service = extension_prefs->pref_service();
 134   base::Version last_version;
 135   if (pref_service->HasPrefPath(pref_names::kLastChromeVersion)) {
 136     std::string last_version_str =
 137         pref_service->GetString(pref_names::kLastChromeVersion);
 138     last_version = base::Version(last_version_str);
 139   }
 140
 141   chrome::VersionInfo current_version_info;
 142   std::string current_version = current_version_info.Version();
 143   pref_service->SetString(pref_names::kLastChromeVersion,
 144                           current_version);
 145
 146   // If there was no version string in prefs, assume we're out of date.
 147   if (!last_version.IsValid())
 148     return true;
 149
 150   return last_version.IsOlderThan(current_version);
 151 }
 152
 153 scoped_ptr<AppSorting> ChromeExtensionsBrowserClient::CreateAppSorting() {
 154   return scoped_ptr<AppSorting>(new ChromeAppSorting()).Pass();
 155 }
 156
 157 bool ChromeExtensionsBrowserClient::IsRunningInForcedAppMode() {
 158   return chrome::IsRunningInForcedAppMode();
 159 }
 160
 161 content::JavaScriptDialogManager*
 162 ChromeExtensionsBrowserClient::GetJavaScriptDialogManager() {
 163   return GetJavaScriptDialogManagerInstance();
 164 }
 165
 166 std::vector<BrowserContextKeyedServiceFactory*>
 167 ChromeExtensionsBrowserClient::GetExtensionSystemDependencies() {
 168   std::vector<BrowserContextKeyedServiceFactory*> dependencies;
 169   dependencies.push_back(ExtensionSystemSharedFactory::GetInstance());
 170   return dependencies;
 171 }
 172
 173 ExtensionSystem* ChromeExtensionsBrowserClient::CreateExtensionSystem(
 174     content::BrowserContext* context) {
 175   return new ExtensionSystemImpl(static_cast<Profile*>(context));
 176 }
 177
 178 }  // namespace extensions