1 // Copyright (c) 2011 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/utf_string_conversions.h"
10 #include "chrome/browser/extensions/extension_service.h"
11 #include "chrome/browser/profiles/profile.h"
12 #include "chrome/browser/themes/theme_service.h"
13 #include "chrome/browser/themes/theme_service_factory.h"
14 #include "chrome/common/extensions/extension.h"
15 #include "content/browser/tab_contents/tab_contents.h"
16 #include "content/common/notification_service.h"
17 #include "grit/generated_resources.h"
18 #include "grit/theme_resources.h"
19 #include "ui/base/l10n/l10n_util.h"
20 #include "ui/base/resource/resource_bundle.h"
21
ThemeInstalledInfoBarDelegate(TabContents * tab_contents,const Extension * new_theme,const std::string & previous_theme_id)22 ThemeInstalledInfoBarDelegate::ThemeInstalledInfoBarDelegate(
23 TabContents* tab_contents,
24 const Extension* new_theme,
25 const std::string& previous_theme_id)
26 : ConfirmInfoBarDelegate(tab_contents),
27 profile_(tab_contents->profile()),
28 theme_service_(ThemeServiceFactory::GetForProfile(profile_)),
29 name_(new_theme->name()),
30 theme_id_(new_theme->id()),
31 previous_theme_id_(previous_theme_id),
32 tab_contents_(tab_contents) {
33 theme_service_->OnInfobarDisplayed();
34 registrar_.Add(this, NotificationType::BROWSER_THEME_CHANGED,
35 NotificationService::AllSources());
36 }
37
MatchesTheme(const Extension * theme) const38 bool ThemeInstalledInfoBarDelegate::MatchesTheme(const Extension* theme) const {
39 return theme && (theme->id() == theme_id_);
40 }
41
~ThemeInstalledInfoBarDelegate()42 ThemeInstalledInfoBarDelegate::~ThemeInstalledInfoBarDelegate() {
43 // We don't want any notifications while we're running our destructor.
44 registrar_.RemoveAll();
45
46 theme_service_->OnInfobarDestroyed();
47 }
48
Cancel()49 bool ThemeInstalledInfoBarDelegate::Cancel() {
50 if (!previous_theme_id_.empty()) {
51 ExtensionService* service = profile_->GetExtensionService();
52 if (service) {
53 const Extension* previous_theme =
54 service->GetExtensionById(previous_theme_id_, true);
55 if (previous_theme) {
56 theme_service_->SetTheme(previous_theme);
57 return true;
58 }
59 }
60 }
61
62 theme_service_->UseDefaultTheme();
63 return true;
64 }
65
InfoBarClosed()66 void ThemeInstalledInfoBarDelegate::InfoBarClosed() {
67 delete this;
68 }
69
GetIcon() const70 SkBitmap* ThemeInstalledInfoBarDelegate::GetIcon() const {
71 // TODO(aa): Reply with the theme's icon, but this requires reading it
72 // asynchronously from disk.
73 return ResourceBundle::GetSharedInstance().GetBitmapNamed(IDR_INFOBAR_THEME);
74 }
75
76 ThemeInstalledInfoBarDelegate*
AsThemePreviewInfobarDelegate()77 ThemeInstalledInfoBarDelegate::AsThemePreviewInfobarDelegate() {
78 return this;
79 }
80
GetMessageText() const81 string16 ThemeInstalledInfoBarDelegate::GetMessageText() const {
82 return l10n_util::GetStringFUTF16(IDS_THEME_INSTALL_INFOBAR_LABEL,
83 UTF8ToUTF16(name_));
84 }
85
GetButtons() const86 int ThemeInstalledInfoBarDelegate::GetButtons() const {
87 return BUTTON_CANCEL;
88 }
89
GetButtonLabel(InfoBarButton button) const90 string16 ThemeInstalledInfoBarDelegate::GetButtonLabel(
91 InfoBarButton button) const {
92 DCHECK_EQ(BUTTON_CANCEL, button);
93 return l10n_util::GetStringUTF16(IDS_THEME_INSTALL_INFOBAR_UNDO_BUTTON);
94 }
95
Observe(NotificationType type,const NotificationSource & source,const NotificationDetails & details)96 void ThemeInstalledInfoBarDelegate::Observe(
97 NotificationType type,
98 const NotificationSource& source,
99 const NotificationDetails& details) {
100 DCHECK_EQ(NotificationType::BROWSER_THEME_CHANGED, type.value);
101 // If the new theme is different from what this info bar is associated
102 // with, close this info bar since it is no longer relevant.
103 if (theme_id_ != theme_service_->GetThemeID()) {
104 if (tab_contents_ && !tab_contents_->is_being_destroyed()) {
105 tab_contents_->RemoveInfoBar(this);
106 // The infobar is gone so there is no reason for this delegate to keep
107 // a pointer to the TabContents (the TabContents has deleted its
108 // reference to this delegate and a new delegate will be created if
109 // a new infobar is created).
110 tab_contents_ = NULL;
111 // Although it's not being used anymore, this delegate is never deleted.
112 // It can not be deleted now because it is still needed if we
113 // "undo" the theme change that triggered this notification
114 // (when InfoBar::OnBackgroundExpose() is called). This will likely
115 // be fixed when infobar delegate deletion is cleaned up for
116 // http://crbug.com/62154.
117 }
118 }
119 }
120