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
Create(const extensions::Extension * new_theme,Profile * profile,const std::string & previous_theme_id,bool previous_using_system_theme)27 void ThemeInstalledInfoBarDelegate::Create(
28 const extensions::Extension* new_theme,
29 Profile* profile,
30 const std::string& previous_theme_id,
31 bool previous_using_system_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_system_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
ThemeInstalledInfoBarDelegate(ExtensionService * extension_service,ThemeService * theme_service,const extensions::Extension * new_theme,const std::string & previous_theme_id,bool previous_using_system_theme)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_system_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_system_theme_(previous_using_system_theme) {
93 registrar_.Add(this, chrome::NOTIFICATION_BROWSER_THEME_CHANGED,
94 content::Source<ThemeService>(theme_service_));
95 }
96
~ThemeInstalledInfoBarDelegate()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
GetIconID() const104 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
GetInfoBarType() const110 infobars::InfoBarDelegate::Type ThemeInstalledInfoBarDelegate::GetInfoBarType()
111 const {
112 return PAGE_ACTION_TYPE;
113 }
114
115 ThemeInstalledInfoBarDelegate*
AsThemePreviewInfobarDelegate()116 ThemeInstalledInfoBarDelegate::AsThemePreviewInfobarDelegate() {
117 return this;
118 }
119
GetMessageText() const120 base::string16 ThemeInstalledInfoBarDelegate::GetMessageText() const {
121 return l10n_util::GetStringFUTF16(IDS_THEME_INSTALL_INFOBAR_LABEL,
122 base::UTF8ToUTF16(name_));
123 }
124
GetButtons() const125 int ThemeInstalledInfoBarDelegate::GetButtons() const {
126 return BUTTON_CANCEL;
127 }
128
GetButtonLabel(InfoBarButton button) const129 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
Cancel()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_system_theme_)
146 theme_service_->UseSystemTheme();
147 else
148 theme_service_->UseDefaultTheme();
149 return false; // The theme change will close us.
150 }
151
Observe(int type,const content::NotificationSource & source,const content::NotificationDetails & details)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 }
162