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 "chrome/grit/generated_resources.h" 19#include "components/infobars/core/infobar.h" 20#include "content/public/browser/notification_source.h" 21#include "extensions/browser/extension_system.h" 22#include "extensions/common/extension.h" 23#include "grit/theme_resources.h" 24#include "ui/base/l10n/l10n_util.h" 25 26 27// static 28void ThemeInstalledInfoBarDelegate::Create( 29 const extensions::Extension* new_theme, 30 Profile* profile, 31 const std::string& previous_theme_id, 32 bool previous_using_system_theme) { 33 DCHECK(new_theme); 34 if (!new_theme->is_theme()) 35 return; 36 37 // Create the new infobar. 38 // FindTabbedBrowser() is called with |match_original_profiles| true because a 39 // theme install in either a normal or incognito window for a profile affects 40 // all normal and incognito windows for that profile. 41 Browser* browser = 42 chrome::FindTabbedBrowser(profile, true, chrome::GetActiveDesktop()); 43 if (!browser) 44 return; 45 content::WebContents* web_contents = 46 browser->tab_strip_model()->GetActiveWebContents(); 47 if (!web_contents) 48 return; 49 InfoBarService* infobar_service = 50 InfoBarService::FromWebContents(web_contents); 51 ThemeService* theme_service = ThemeServiceFactory::GetForProfile(profile); 52 scoped_ptr<infobars::InfoBar> new_infobar( 53 ConfirmInfoBarDelegate::CreateInfoBar(scoped_ptr<ConfirmInfoBarDelegate>( 54 new ThemeInstalledInfoBarDelegate( 55 extensions::ExtensionSystem::Get(profile)->extension_service(), 56 theme_service, new_theme, 57 previous_theme_id, previous_using_system_theme)))); 58 59 // If there's a previous theme infobar, just replace that instead of adding a 60 // new one. 61 for (size_t i = 0; i < infobar_service->infobar_count(); ++i) { 62 infobars::InfoBar* old_infobar = infobar_service->infobar_at(i); 63 ThemeInstalledInfoBarDelegate* theme_infobar = 64 old_infobar->delegate()->AsThemePreviewInfobarDelegate(); 65 if (theme_infobar) { 66 // If the user installed the same theme twice, ignore the second install 67 // and keep the first install info bar, so that they can easily undo to 68 // get back the previous theme. 69 if (theme_infobar->theme_id_ != new_theme->id()) { 70 infobar_service->ReplaceInfoBar(old_infobar, new_infobar.Pass()); 71 theme_service->OnInfobarDisplayed(); 72 } 73 return; 74 } 75 } 76 77 // No previous theme infobar, so add this. 78 infobar_service->AddInfoBar(new_infobar.Pass()); 79 theme_service->OnInfobarDisplayed(); 80} 81 82ThemeInstalledInfoBarDelegate::ThemeInstalledInfoBarDelegate( 83 ExtensionService* extension_service, 84 ThemeService* theme_service, 85 const extensions::Extension* new_theme, 86 const std::string& previous_theme_id, 87 bool previous_using_system_theme) 88 : ConfirmInfoBarDelegate(), 89 extension_service_(extension_service), 90 theme_service_(theme_service), 91 name_(new_theme->name()), 92 theme_id_(new_theme->id()), 93 previous_theme_id_(previous_theme_id), 94 previous_using_system_theme_(previous_using_system_theme) { 95 registrar_.Add(this, chrome::NOTIFICATION_BROWSER_THEME_CHANGED, 96 content::Source<ThemeService>(theme_service_)); 97} 98 99ThemeInstalledInfoBarDelegate::~ThemeInstalledInfoBarDelegate() { 100 // We don't want any notifications while we're running our destructor. 101 registrar_.RemoveAll(); 102 103 theme_service_->OnInfobarDestroyed(); 104} 105 106int ThemeInstalledInfoBarDelegate::GetIconID() const { 107 // TODO(aa): Reply with the theme's icon, but this requires reading it 108 // asynchronously from disk. 109 return IDR_INFOBAR_THEME; 110} 111 112infobars::InfoBarDelegate::Type ThemeInstalledInfoBarDelegate::GetInfoBarType() 113 const { 114 return PAGE_ACTION_TYPE; 115} 116 117ThemeInstalledInfoBarDelegate* 118 ThemeInstalledInfoBarDelegate::AsThemePreviewInfobarDelegate() { 119 return this; 120} 121 122base::string16 ThemeInstalledInfoBarDelegate::GetMessageText() const { 123 return l10n_util::GetStringFUTF16(IDS_THEME_INSTALL_INFOBAR_LABEL, 124 base::UTF8ToUTF16(name_)); 125} 126 127int ThemeInstalledInfoBarDelegate::GetButtons() const { 128 return BUTTON_CANCEL; 129} 130 131base::string16 ThemeInstalledInfoBarDelegate::GetButtonLabel( 132 InfoBarButton button) const { 133 DCHECK_EQ(BUTTON_CANCEL, button); 134 return l10n_util::GetStringUTF16(IDS_THEME_INSTALL_INFOBAR_UNDO_BUTTON); 135} 136 137bool ThemeInstalledInfoBarDelegate::Cancel() { 138 if (!previous_theme_id_.empty()) { 139 const extensions::Extension* previous_theme = 140 extension_service_->GetExtensionById(previous_theme_id_, true); 141 if (previous_theme) { 142 theme_service_->SetTheme(previous_theme); 143 return false; // The theme change will close us. 144 } 145 } 146 147 if (previous_using_system_theme_) 148 theme_service_->UseSystemTheme(); 149 else 150 theme_service_->UseDefaultTheme(); 151 return false; // The theme change will close us. 152} 153 154void ThemeInstalledInfoBarDelegate::Observe( 155 int type, 156 const content::NotificationSource& source, 157 const content::NotificationDetails& details) { 158 DCHECK_EQ(chrome::NOTIFICATION_BROWSER_THEME_CHANGED, type); 159 // If the new theme is different from what this info bar is associated with, 160 // close this info bar since it is no longer relevant. 161 if (theme_id_ != theme_service_->GetThemeID()) 162 infobar()->RemoveSelf(); 163} 164