chrome/browser/extensions/theme_installed_infobar_delegate.cc

   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/extensions/theme_installed_infobar_delegate.h"
   6
   7 #include <string>
   8
   9 #include "base/strings/utf_string_conversions.h"
  10 #include "chrome/browser/chrome_notification_types.h"
  11 #include "chrome/browser/extensions/extension_service.h"
  12 #include "chrome/browser/infobars/infobar.h"
  13 #include "chrome/browser/infobars/infobar_service.h"
  14 #include "chrome/browser/profiles/profile.h"
  15 #include "chrome/browser/themes/theme_service.h"
  16 #include "chrome/browser/themes/theme_service_factory.h"
  17 #include "chrome/browser/ui/browser_finder.h"
  18 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  19 #include "content/public/browser/notification_source.h"
  20 #include "extensions/common/extension.h"
  21 #include "grit/generated_resources.h"
  22 #include "grit/theme_resources.h"
  23 #include "ui/base/l10n/l10n_util.h"
  24
  25
  26 // static
  27 void ThemeInstalledInfoBarDelegate::Create(
  28     const extensions::Extension* new_theme,
  29     Profile* profile,
  30     const std::string& previous_theme_id,
  31     bool previous_using_native_theme) {
  32   DCHECK(new_theme);
  33   if (!new_theme->is_theme())
  34     return;
  35
  36   // Create the new infobar.
  37   // FindTabbedBrowser() is called with |match_original_profiles| true because a
  38   // theme install in either a normal or incognito window for a profile affects
  39   // all normal and incognito windows for that profile.
  40   Browser* browser =
  41       chrome::FindTabbedBrowser(profile, true, chrome::GetActiveDesktop());
  42   if (!browser)
  43     return;
  44   content::WebContents* web_contents =
  45       browser->tab_strip_model()->GetActiveWebContents();
  46   if (!web_contents)
  47     return;
  48   InfoBarService* infobar_service =
  49       InfoBarService::FromWebContents(web_contents);
  50   ThemeService* theme_service = ThemeServiceFactory::GetForProfile(profile);
  51   scoped_ptr<InfoBar> new_infobar(ConfirmInfoBarDelegate::CreateInfoBar(
  52       scoped_ptr<ConfirmInfoBarDelegate>(new ThemeInstalledInfoBarDelegate(
  53           profile->GetExtensionService(), theme_service, new_theme,
  54           previous_theme_id, previous_using_native_theme))));
  55
  56   // If there's a previous theme infobar, just replace that instead of adding a
  57   // new one.
  58   for (size_t i = 0; i < infobar_service->infobar_count(); ++i) {
  59     InfoBar* old_infobar = infobar_service->infobar_at(i);
  60     ThemeInstalledInfoBarDelegate* theme_infobar =
  61         old_infobar->delegate()->AsThemePreviewInfobarDelegate();
  62     if (theme_infobar) {
  63       // If the user installed the same theme twice, ignore the second install
  64       // and keep the first install info bar, so that they can easily undo to
  65       // get back the previous theme.
  66       if (theme_infobar->theme_id_ != new_theme->id()) {
  67         infobar_service->ReplaceInfoBar(old_infobar, new_infobar.Pass());
  68         theme_service->OnInfobarDisplayed();
  69       }
  70       return;
  71     }
  72   }
  73
  74   // No previous theme infobar, so add this.
  75   infobar_service->AddInfoBar(new_infobar.Pass());
  76   theme_service->OnInfobarDisplayed();
  77 }
  78
  79 ThemeInstalledInfoBarDelegate::ThemeInstalledInfoBarDelegate(
  80     ExtensionService* extension_service,
  81     ThemeService* theme_service,
  82     const extensions::Extension* new_theme,
  83     const std::string& previous_theme_id,
  84     bool previous_using_native_theme)
  85     : ConfirmInfoBarDelegate(),
  86       extension_service_(extension_service),
  87       theme_service_(theme_service),
  88       name_(new_theme->name()),
  89       theme_id_(new_theme->id()),
  90       previous_theme_id_(previous_theme_id),
  91       previous_using_native_theme_(previous_using_native_theme) {
  92   registrar_.Add(this, chrome::NOTIFICATION_BROWSER_THEME_CHANGED,
  93                  content::Source<ThemeService>(theme_service_));
  94 }
  95
  96 ThemeInstalledInfoBarDelegate::~ThemeInstalledInfoBarDelegate() {
  97   // We don't want any notifications while we're running our destructor.
  98   registrar_.RemoveAll();
  99
 100   theme_service_->OnInfobarDestroyed();
 101 }
 102
 103 int ThemeInstalledInfoBarDelegate::GetIconID() const {
 104   // TODO(aa): Reply with the theme's icon, but this requires reading it
 105   // asynchronously from disk.
 106   return IDR_INFOBAR_THEME;
 107 }
 108
 109 InfoBarDelegate::Type ThemeInstalledInfoBarDelegate::GetInfoBarType() const {
 110   return PAGE_ACTION_TYPE;
 111 }
 112
 113 ThemeInstalledInfoBarDelegate*
 114     ThemeInstalledInfoBarDelegate::AsThemePreviewInfobarDelegate() {
 115   return this;
 116 }
 117
 118 base::string16 ThemeInstalledInfoBarDelegate::GetMessageText() const {
 119   return l10n_util::GetStringFUTF16(IDS_THEME_INSTALL_INFOBAR_LABEL,
 120                                     base::UTF8ToUTF16(name_));
 121 }
 122
 123 int ThemeInstalledInfoBarDelegate::GetButtons() const {
 124   return BUTTON_CANCEL;
 125 }
 126
 127 base::string16 ThemeInstalledInfoBarDelegate::GetButtonLabel(
 128     InfoBarButton button) const {
 129   DCHECK_EQ(BUTTON_CANCEL, button);
 130   return l10n_util::GetStringUTF16(IDS_THEME_INSTALL_INFOBAR_UNDO_BUTTON);
 131 }
 132
 133 bool ThemeInstalledInfoBarDelegate::Cancel() {
 134   if (!previous_theme_id_.empty()) {
 135     const extensions::Extension* previous_theme =
 136         extension_service_->GetExtensionById(previous_theme_id_, true);
 137     if (previous_theme) {
 138       theme_service_->SetTheme(previous_theme);
 139       return false;  // The theme change will close us.
 140     }
 141   }
 142
 143   if (previous_using_native_theme_)
 144     theme_service_->SetNativeTheme();
 145   else
 146     theme_service_->UseDefaultTheme();
 147   return false;  // The theme change will close us.
 148 }
 149
 150 void ThemeInstalledInfoBarDelegate::Observe(
 151     int type,
 152     const content::NotificationSource& source,
 153     const content::NotificationDetails& details) {
 154   DCHECK_EQ(chrome::NOTIFICATION_BROWSER_THEME_CHANGED, type);
 155   // If the new theme is different from what this info bar is associated with,
 156   // close this info bar since it is no longer relevant.
 157   if (theme_id_ != theme_service_->GetThemeID())
 158     infobar()->RemoveSelf();
 159 }