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_service.h"
  13 #include "chrome/browser/profiles/profile.h"
  14 #include "chrome/browser/themes/theme_service.h"
  15 #include "chrome/browser/themes/theme_service_factory.h"
  16 #include "chrome/browser/ui/browser_finder.h"
  17 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  18 #include "components/infobars/core/infobar.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<infobars::InfoBar> new_infobar(
  52       ConfirmInfoBarDelegate::CreateInfoBar(scoped_ptr<ConfirmInfoBarDelegate>(
  53           new ThemeInstalledInfoBarDelegate(
  54               profile->GetExtensionService(), theme_service, new_theme,
  55               previous_theme_id, previous_using_native_theme))));
  56
  57   // If there's a previous theme infobar, just replace that instead of adding a
  58   // new one.
  59   for (size_t i = 0; i < infobar_service->infobar_count(); ++i) {
  60     infobars::InfoBar* old_infobar = infobar_service->infobar_at(i);
  61     ThemeInstalledInfoBarDelegate* theme_infobar =
  62         old_infobar->delegate()->AsThemePreviewInfobarDelegate();
  63     if (theme_infobar) {
  64       // If the user installed the same theme twice, ignore the second install
  65       // and keep the first install info bar, so that they can easily undo to
  66       // get back the previous theme.
  67       if (theme_infobar->theme_id_ != new_theme->id()) {
  68         infobar_service->ReplaceInfoBar(old_infobar, new_infobar.Pass());
  69         theme_service->OnInfobarDisplayed();
  70       }
  71       return;
  72     }
  73   }
  74
  75   // No previous theme infobar, so add this.
  76   infobar_service->AddInfoBar(new_infobar.Pass());
  77   theme_service->OnInfobarDisplayed();
  78 }
  79
  80 ThemeInstalledInfoBarDelegate::ThemeInstalledInfoBarDelegate(
  81     ExtensionService* extension_service,
  82     ThemeService* theme_service,
  83     const extensions::Extension* new_theme,
  84     const std::string& previous_theme_id,
  85     bool previous_using_native_theme)
  86     : ConfirmInfoBarDelegate(),
  87       extension_service_(extension_service),
  88       theme_service_(theme_service),
  89       name_(new_theme->name()),
  90       theme_id_(new_theme->id()),
  91       previous_theme_id_(previous_theme_id),
  92       previous_using_native_theme_(previous_using_native_theme) {
  93   registrar_.Add(this, chrome::NOTIFICATION_BROWSER_THEME_CHANGED,
  94                  content::Source<ThemeService>(theme_service_));
  95 }
  96
  97 ThemeInstalledInfoBarDelegate::~ThemeInstalledInfoBarDelegate() {
  98   // We don't want any notifications while we're running our destructor.
  99   registrar_.RemoveAll();
 100
 101   theme_service_->OnInfobarDestroyed();
 102 }
 103
 104 int ThemeInstalledInfoBarDelegate::GetIconID() const {
 105   // TODO(aa): Reply with the theme's icon, but this requires reading it
 106   // asynchronously from disk.
 107   return IDR_INFOBAR_THEME;
 108 }
 109
 110 infobars::InfoBarDelegate::Type ThemeInstalledInfoBarDelegate::GetInfoBarType()
 111     const {
 112   return PAGE_ACTION_TYPE;
 113 }
 114
 115 ThemeInstalledInfoBarDelegate*
 116     ThemeInstalledInfoBarDelegate::AsThemePreviewInfobarDelegate() {
 117   return this;
 118 }
 119
 120 base::string16 ThemeInstalledInfoBarDelegate::GetMessageText() const {
 121   return l10n_util::GetStringFUTF16(IDS_THEME_INSTALL_INFOBAR_LABEL,
 122                                     base::UTF8ToUTF16(name_));
 123 }
 124
 125 int ThemeInstalledInfoBarDelegate::GetButtons() const {
 126   return BUTTON_CANCEL;
 127 }
 128
 129 base::string16 ThemeInstalledInfoBarDelegate::GetButtonLabel(
 130     InfoBarButton button) const {
 131   DCHECK_EQ(BUTTON_CANCEL, button);
 132   return l10n_util::GetStringUTF16(IDS_THEME_INSTALL_INFOBAR_UNDO_BUTTON);
 133 }
 134
 135 bool ThemeInstalledInfoBarDelegate::Cancel() {
 136   if (!previous_theme_id_.empty()) {
 137     const extensions::Extension* previous_theme =
 138         extension_service_->GetExtensionById(previous_theme_id_, true);
 139     if (previous_theme) {
 140       theme_service_->SetTheme(previous_theme);
 141       return false;  // The theme change will close us.
 142     }
 143   }
 144
 145   if (previous_using_native_theme_)
 146     theme_service_->SetNativeTheme();
 147   else
 148     theme_service_->UseDefaultTheme();
 149   return false;  // The theme change will close us.
 150 }
 151
 152 void ThemeInstalledInfoBarDelegate::Observe(
 153     int type,
 154     const content::NotificationSource& source,
 155     const content::NotificationDetails& details) {
 156   DCHECK_EQ(chrome::NOTIFICATION_BROWSER_THEME_CHANGED, type);
 157   // If the new theme is different from what this info bar is associated with,
 158   // close this info bar since it is no longer relevant.
 159   if (theme_id_ != theme_service_->GetThemeID())
 160     infobar()->RemoveSelf();
 161 }