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      1 // Copyright (c) 2012 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/ui/extensions/extension_install_ui_default.h"
      6 
      7 #include "base/bind.h"
      8 #include "base/command_line.h"
      9 #include "base/strings/utf_string_conversions.h"
     10 #include "chrome/browser/chrome_notification_types.h"
     11 #include "chrome/browser/extensions/extension_install_prompt.h"
     12 #include "chrome/browser/extensions/theme_installed_infobar_delegate.h"
     13 #include "chrome/browser/infobars/confirm_infobar_delegate.h"
     14 #include "chrome/browser/infobars/infobar.h"
     15 #include "chrome/browser/infobars/infobar_service.h"
     16 #include "chrome/browser/prefs/incognito_mode_prefs.h"
     17 #include "chrome/browser/profiles/profile.h"
     18 #include "chrome/browser/search/search.h"
     19 #include "chrome/browser/themes/theme_service.h"
     20 #include "chrome/browser/themes/theme_service_factory.h"
     21 #include "chrome/browser/ui/app_list/app_list_service.h"
     22 #include "chrome/browser/ui/app_list/app_list_util.h"
     23 #include "chrome/browser/ui/browser.h"
     24 #include "chrome/browser/ui/browser_dialogs.h"
     25 #include "chrome/browser/ui/browser_finder.h"
     26 #include "chrome/browser/ui/browser_navigator.h"
     27 #include "chrome/browser/ui/browser_tabstrip.h"
     28 #include "chrome/browser/ui/browser_window.h"
     29 #include "chrome/browser/ui/host_desktop.h"
     30 #include "chrome/browser/ui/scoped_tabbed_browser_displayer.h"
     31 #include "chrome/browser/ui/simple_message_box.h"
     32 #include "chrome/browser/ui/singleton_tabs.h"
     33 #include "chrome/browser/ui/tabs/tab_strip_model.h"
     34 #include "chrome/common/chrome_switches.h"
     35 #include "chrome/common/url_constants.h"
     36 #include "content/public/browser/browser_thread.h"
     37 #include "content/public/browser/notification_service.h"
     38 #include "content/public/browser/web_contents.h"
     39 #include "extensions/common/extension.h"
     40 #include "grit/generated_resources.h"
     41 #include "grit/theme_resources.h"
     42 #include "ui/base/l10n/l10n_util.h"
     43 #include "ui/base/resource/resource_bundle.h"
     44 
     45 #if defined(USE_ASH)
     46 #include "ash/shell.h"
     47 #endif
     48 
     49 using content::BrowserThread;
     50 using content::WebContents;
     51 using extensions::Extension;
     52 
     53 namespace {
     54 
     55 // Helpers --------------------------------------------------------------------
     56 
     57 Browser* FindOrCreateVisibleBrowser(Profile* profile) {
     58   // TODO(mpcomplete): remove this workaround for http://crbug.com/244246
     59   // after fixing http://crbug.com/38676.
     60   if (!IncognitoModePrefs::CanOpenBrowser(profile))
     61     return NULL;
     62   chrome::ScopedTabbedBrowserDisplayer displayer(
     63       profile, chrome::GetActiveDesktop());
     64   Browser* browser = displayer.browser();
     65   if (browser->tab_strip_model()->count() == 0)
     66     chrome::AddTabAt(browser, GURL(), -1, true);
     67   return browser;
     68 }
     69 
     70 void ShowExtensionInstalledBubble(const extensions::Extension* extension,
     71                                   Profile* profile,
     72                                   const SkBitmap& icon) {
     73   Browser* browser = FindOrCreateVisibleBrowser(profile);
     74   if (browser)
     75     chrome::ShowExtensionInstalledBubble(extension, browser, icon);
     76 }
     77 
     78 
     79 // ErrorInfoBarDelegate -------------------------------------------------------
     80 
     81 // Helper class to put up an infobar when installation fails.
     82 class ErrorInfoBarDelegate : public ConfirmInfoBarDelegate {
     83  public:
     84   // Creates an error infobar and delegate and adds the infobar to
     85   // |infobar_service|.
     86   static void Create(InfoBarService* infobar_service,
     87                      const extensions::CrxInstallerError& error);
     88 
     89  private:
     90   explicit ErrorInfoBarDelegate(const extensions::CrxInstallerError& error);
     91   virtual ~ErrorInfoBarDelegate();
     92 
     93   // ConfirmInfoBarDelegate:
     94   virtual base::string16 GetMessageText() const OVERRIDE;
     95   virtual int GetButtons() const OVERRIDE;
     96   virtual base::string16 GetLinkText() const OVERRIDE;
     97   virtual bool LinkClicked(WindowOpenDisposition disposition) OVERRIDE;
     98 
     99   extensions::CrxInstallerError error_;
    100 
    101   DISALLOW_COPY_AND_ASSIGN(ErrorInfoBarDelegate);
    102 };
    103 
    104 // static
    105 void ErrorInfoBarDelegate::Create(InfoBarService* infobar_service,
    106                                   const extensions::CrxInstallerError& error) {
    107   infobar_service->AddInfoBar(ConfirmInfoBarDelegate::CreateInfoBar(
    108       scoped_ptr<ConfirmInfoBarDelegate>(new ErrorInfoBarDelegate(error))));
    109 }
    110 
    111 ErrorInfoBarDelegate::ErrorInfoBarDelegate(
    112     const extensions::CrxInstallerError& error)
    113     : ConfirmInfoBarDelegate(),
    114       error_(error) {
    115 }
    116 
    117 ErrorInfoBarDelegate::~ErrorInfoBarDelegate() {
    118 }
    119 
    120 base::string16 ErrorInfoBarDelegate::GetMessageText() const {
    121   return error_.message();
    122 }
    123 
    124 int ErrorInfoBarDelegate::GetButtons() const {
    125   return BUTTON_OK;
    126 }
    127 
    128 base::string16 ErrorInfoBarDelegate::GetLinkText() const {
    129   return (error_.type() == extensions::CrxInstallerError::ERROR_OFF_STORE) ?
    130       l10n_util::GetStringUTF16(IDS_LEARN_MORE) : base::string16();
    131 }
    132 
    133 bool ErrorInfoBarDelegate::LinkClicked(WindowOpenDisposition disposition) {
    134   web_contents()->OpenURL(content::OpenURLParams(
    135       GURL("http://support.google.com/chrome_webstore/?p=crx_warning"),
    136       content::Referrer(),
    137       (disposition == CURRENT_TAB) ? NEW_FOREGROUND_TAB : disposition,
    138       content::PAGE_TRANSITION_LINK, false));
    139   return false;
    140 }
    141 
    142 }  // namespace
    143 
    144 
    145 // ExtensionInstallUI ---------------------------------------------------------
    146 
    147 // static
    148 ExtensionInstallUI* ExtensionInstallUI::Create(Profile* profile) {
    149   return new ExtensionInstallUIDefault(profile);
    150 }
    151 
    152 // static
    153 void ExtensionInstallUI::OpenAppInstalledUI(Profile* profile,
    154                                             const std::string& app_id) {
    155 #if defined(OS_CHROMEOS)
    156   AppListService::Get(chrome::HOST_DESKTOP_TYPE_ASH)->
    157       ShowForProfile(profile);
    158 
    159   content::NotificationService::current()->Notify(
    160       chrome::NOTIFICATION_APP_INSTALLED_TO_APPLIST,
    161       content::Source<Profile>(profile),
    162       content::Details<const std::string>(&app_id));
    163 #else
    164   Browser* browser = FindOrCreateVisibleBrowser(profile);
    165   if (browser) {
    166     GURL url(chrome::IsInstantExtendedAPIEnabled() ?
    167              chrome::kChromeUIAppsURL : chrome::kChromeUINewTabURL);
    168     chrome::NavigateParams params(
    169         chrome::GetSingletonTabNavigateParams(browser, url));
    170     chrome::Navigate(&params);
    171 
    172     content::NotificationService::current()->Notify(
    173         chrome::NOTIFICATION_APP_INSTALLED_TO_NTP,
    174         content::Source<WebContents>(params.target_contents),
    175         content::Details<const std::string>(&app_id));
    176   }
    177 #endif
    178 }
    179 
    180 // static
    181 ExtensionInstallPrompt* ExtensionInstallUI::CreateInstallPromptWithBrowser(
    182     Browser* browser) {
    183   content::WebContents* web_contents = NULL;
    184   if (browser)
    185     web_contents = browser->tab_strip_model()->GetActiveWebContents();
    186   return new ExtensionInstallPrompt(web_contents);
    187 }
    188 
    189 // static
    190 ExtensionInstallPrompt* ExtensionInstallUI::CreateInstallPromptWithProfile(
    191     Profile* profile) {
    192   Browser* browser = chrome::FindLastActiveWithProfile(profile,
    193       chrome::GetActiveDesktop());
    194   return CreateInstallPromptWithBrowser(browser);
    195 }
    196 
    197 
    198 // ExtensionInstallUIDefault --------------------------------------------------
    199 
    200 ExtensionInstallUIDefault::ExtensionInstallUIDefault(Profile* profile)
    201     : ExtensionInstallUI(profile),
    202       previous_using_native_theme_(false),
    203       use_app_installed_bubble_(false) {
    204   // |profile| can be NULL during tests.
    205   if (profile) {
    206     // Remember the current theme in case the user presses undo.
    207     const Extension* previous_theme =
    208         ThemeServiceFactory::GetThemeForProfile(profile);
    209     if (previous_theme)
    210       previous_theme_id_ = previous_theme->id();
    211     previous_using_native_theme_ =
    212         ThemeServiceFactory::GetForProfile(profile)->UsingNativeTheme();
    213   }
    214 }
    215 
    216 ExtensionInstallUIDefault::~ExtensionInstallUIDefault() {}
    217 
    218 void ExtensionInstallUIDefault::OnInstallSuccess(const Extension* extension,
    219                                                  SkBitmap* icon) {
    220   if (skip_post_install_ui())
    221     return;
    222 
    223   if (!profile()) {
    224     // TODO(zelidrag): Figure out what exact conditions cause crash
    225     // http://crbug.com/159437 and write browser test to cover it.
    226     NOTREACHED();
    227     return;
    228   }
    229 
    230   if (extension->is_theme()) {
    231     ThemeInstalledInfoBarDelegate::Create(
    232         extension, profile(), previous_theme_id_, previous_using_native_theme_);
    233     return;
    234   }
    235 
    236   // Extensions aren't enabled by default in incognito so we confirm
    237   // the install in a normal window.
    238   Profile* current_profile = profile()->GetOriginalProfile();
    239   if (extension->is_app()) {
    240     bool use_bubble = false;
    241 
    242 #if defined(TOOLKIT_VIEWS)  || defined(OS_MACOSX)
    243     CommandLine* cmdline = CommandLine::ForCurrentProcess();
    244     use_bubble = (use_app_installed_bubble_ ||
    245                   cmdline->HasSwitch(switches::kAppsNewInstallBubble));
    246 #endif
    247 
    248     if (IsAppLauncherEnabled()) {
    249       // TODO(tapted): ExtensionInstallUI should retain the desktop type from
    250       // the browser used to initiate the flow. http://crbug.com/308360.
    251       AppListService::Get(chrome::GetActiveDesktop())->
    252           ShowForProfile(current_profile);
    253 
    254       content::NotificationService::current()->Notify(
    255           chrome::NOTIFICATION_APP_INSTALLED_TO_APPLIST,
    256           content::Source<Profile>(current_profile),
    257           content::Details<const std::string>(&extension->id()));
    258       return;
    259     }
    260 
    261     if (use_bubble) {
    262       ShowExtensionInstalledBubble(extension, current_profile, *icon);
    263       return;
    264     }
    265 
    266     ExtensionInstallUI::OpenAppInstalledUI(current_profile, extension->id());
    267     return;
    268   }
    269 
    270   ShowExtensionInstalledBubble(extension, current_profile, *icon);
    271 }
    272 
    273 void ExtensionInstallUIDefault::OnInstallFailure(
    274     const extensions::CrxInstallerError& error) {
    275   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
    276   if (disable_failure_ui_for_tests() || skip_post_install_ui())
    277     return;
    278 
    279   Browser* browser =
    280       chrome::FindLastActiveWithProfile(profile(), chrome::GetActiveDesktop());
    281   if (!browser)  // Can be NULL in unittests.
    282     return;
    283   WebContents* web_contents =
    284       browser->tab_strip_model()->GetActiveWebContents();
    285   if (!web_contents)
    286     return;
    287   ErrorInfoBarDelegate::Create(InfoBarService::FromWebContents(web_contents),
    288                                error);
    289 }
    290 
    291 void ExtensionInstallUIDefault::SetUseAppInstalledBubble(bool use_bubble) {
    292   use_app_installed_bubble_ = use_bubble;
    293 }
    294