theme_installed_infobar_delegate.cc revision 7dbb3d5cf0c15f500944d211057644d6a2f37371 
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/common/extensions/extension.h"
19#include "content/public/browser/notification_source.h"
20#include "grit/generated_resources.h"
21#include "grit/theme_resources.h"
22#include "ui/base/l10n/l10n_util.h"
23
24
25// static
26void ThemeInstalledInfoBarDelegate::Create(
27    const extensions::Extension* new_theme,
28    Profile* profile,
29    const std::string& previous_theme_id,
30    bool previous_using_native_theme) {
31  DCHECK(new_theme);
32  if (!new_theme->is_theme())
33    return;
34
35  // Create the new infobar.
36  // FindTabbedBrowser() is called with |match_original_profiles| true because a
37  // theme install in either a normal or incognito window for a profile affects
38  // all normal and incognito windows for that profile.
39  Browser* browser =
40      chrome::FindTabbedBrowser(profile, true, chrome::GetActiveDesktop());
41  if (!browser)
42    return;
43  content::WebContents* web_contents =
44      browser->tab_strip_model()->GetActiveWebContents();
45  if (!web_contents)
46    return;
47  InfoBarService* infobar_service =
48      InfoBarService::FromWebContents(web_contents);
49  ThemeService* theme_service = ThemeServiceFactory::GetForProfile(profile);
50  scoped_ptr<InfoBarDelegate> new_infobar(new ThemeInstalledInfoBarDelegate(
51      infobar_service, profile->GetExtensionService(), theme_service, new_theme,
52      previous_theme_id, previous_using_native_theme));
53
54  // If there's a previous theme infobar, just replace that instead of adding a
55  // new one.
56  for (size_t i = 0; i < infobar_service->infobar_count(); ++i) {
57    InfoBarDelegate* delegate = infobar_service->infobar_at(i);
58    ThemeInstalledInfoBarDelegate* theme_infobar =
59        delegate->AsThemePreviewInfobarDelegate();
60    if (theme_infobar) {
61      // If the user installed the same theme twice, ignore the second install
62      // and keep the first install info bar, so that they can easily undo to
63      // get back the previous theme.
64      if (theme_infobar->theme_id_ != new_theme->id()) {
65        infobar_service->ReplaceInfoBar(delegate, new_infobar.Pass());
66        theme_service->OnInfobarDisplayed();
67      }
68      return;
69    }
70  }
71
72  // No previous theme infobar, so add this.
73  infobar_service->AddInfoBar(new_infobar.Pass());
74  theme_service->OnInfobarDisplayed();
75}
76
77ThemeInstalledInfoBarDelegate::ThemeInstalledInfoBarDelegate(
78    InfoBarService* infobar_service,
79    ExtensionService* extension_service,
80    ThemeService* theme_service,
81    const extensions::Extension* new_theme,
82    const std::string& previous_theme_id,
83    bool previous_using_native_theme)
84    : ConfirmInfoBarDelegate(infobar_service),
85      extension_service_(extension_service),
86      theme_service_(theme_service),
87      name_(new_theme->name()),
88      theme_id_(new_theme->id()),
89      previous_theme_id_(previous_theme_id),
90      previous_using_native_theme_(previous_using_native_theme) {
91  registrar_.Add(this, chrome::NOTIFICATION_BROWSER_THEME_CHANGED,
92                 content::Source<ThemeService>(theme_service_));
93}
94
95ThemeInstalledInfoBarDelegate::~ThemeInstalledInfoBarDelegate() {
96  // We don't want any notifications while we're running our destructor.
97  registrar_.RemoveAll();
98
99  theme_service_->OnInfobarDestroyed();
100}
101
102int ThemeInstalledInfoBarDelegate::GetIconID() const {
103  // TODO(aa): Reply with the theme's icon, but this requires reading it
104  // asynchronously from disk.
105  return IDR_INFOBAR_THEME;
106}
107
108InfoBarDelegate::Type ThemeInstalledInfoBarDelegate::GetInfoBarType() const {
109  return PAGE_ACTION_TYPE;
110}
111
112ThemeInstalledInfoBarDelegate*
113    ThemeInstalledInfoBarDelegate::AsThemePreviewInfobarDelegate() {
114  return this;
115}
116
117string16 ThemeInstalledInfoBarDelegate::GetMessageText() const {
118  return l10n_util::GetStringFUTF16(IDS_THEME_INSTALL_INFOBAR_LABEL,
119                                    UTF8ToUTF16(name_));
120}
121
122int ThemeInstalledInfoBarDelegate::GetButtons() const {
123  return BUTTON_CANCEL;
124}
125
126string16 ThemeInstalledInfoBarDelegate::GetButtonLabel(
127    InfoBarButton button) const {
128  DCHECK_EQ(BUTTON_CANCEL, button);
129  return l10n_util::GetStringUTF16(IDS_THEME_INSTALL_INFOBAR_UNDO_BUTTON);
130}
131
132bool ThemeInstalledInfoBarDelegate::Cancel() {
133  if (!previous_theme_id_.empty()) {
134    const extensions::Extension* previous_theme =
135        extension_service_->GetExtensionById(previous_theme_id_, true);
136    if (previous_theme) {
137      theme_service_->SetTheme(previous_theme);
138        return false;  // The theme change will close us.
139    }
140  }
141
142  if (previous_using_native_theme_)
143    theme_service_->SetNativeTheme();
144  else
145    theme_service_->UseDefaultTheme();
146  return false;  // The theme change will close us.
147}
148
149void ThemeInstalledInfoBarDelegate::Observe(
150    int type,
151    const content::NotificationSource& source,
152    const content::NotificationDetails& details) {
153  DCHECK_EQ(chrome::NOTIFICATION_BROWSER_THEME_CHANGED, type);
154  // If the new theme is different from what this info bar is associated with,
155  // close this info bar since it is no longer relevant.
156  if (theme_id_ != theme_service_->GetThemeID())
157    RemoveSelf();
158}
159