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/chromeos/login/help_app_launcher.h"
6
7 #include <string>
8
9 #include "base/strings/stringprintf.h"
10 #include "base/strings/utf_string_conversions.h"
11 #include "chrome/browser/chromeos/login/helper.h"
12 #include "chrome/browser/chromeos/profiles/profile_helper.h"
13 #include "chrome/browser/extensions/extension_service.h"
14 #include "chrome/grit/generated_resources.h"
15 #include "chrome/grit/locale_settings.h"
16 #include "content/public/browser/browser_thread.h"
17 #include "extensions/browser/extension_system.h"
18 #include "ui/base/l10n/l10n_util.h"
19 #include "ui/gfx/rect.h"
20 #include "ui/gfx/size.h"
21
22 using content::BrowserThread;
23
24 namespace {
25
26 const char kHelpAppFormat[] =
27 "chrome-extension://honijodknafkokifofgiaalefdiedpko/oobe.html?id=%d";
28
29 } // namespace
30
31 namespace chromeos {
32
33 ///////////////////////////////////////////////////////////////////////////////
34 // HelpApp, public:
35
HelpAppLauncher(gfx::NativeWindow parent_window)36 HelpAppLauncher::HelpAppLauncher(gfx::NativeWindow parent_window)
37 : parent_window_(parent_window) {
38 }
39
ShowHelpTopic(HelpTopic help_topic_id)40 void HelpAppLauncher::ShowHelpTopic(HelpTopic help_topic_id) {
41 Profile* profile = ProfileHelper::GetSigninProfile();
42 ExtensionService* service =
43 extensions::ExtensionSystem::Get(profile)->extension_service();
44
45 DCHECK(service);
46 if (!service)
47 return;
48
49 GURL url(base::StringPrintf(kHelpAppFormat,
50 static_cast<int>(help_topic_id)));
51 // HelpApp component extension presents only in official builds so we can
52 // show help only when the extensions is installed.
53 if (service->extensions()->GetByID(url.host()))
54 ShowHelpTopicDialog(profile, GURL(url));
55 }
56
57 ///////////////////////////////////////////////////////////////////////////////
58 // HelpApp, protected:
59
~HelpAppLauncher()60 HelpAppLauncher::~HelpAppLauncher() {}
61
62 ///////////////////////////////////////////////////////////////////////////////
63 // HelpApp, private:
64
ShowHelpTopicDialog(Profile * profile,const GURL & topic_url)65 void HelpAppLauncher::ShowHelpTopicDialog(Profile* profile,
66 const GURL& topic_url) {
67 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
68 LoginWebDialog* dialog = new LoginWebDialog(
69 profile,
70 NULL,
71 parent_window_,
72 l10n_util::GetStringUTF16(IDS_LOGIN_OOBE_HELP_DIALOG_TITLE),
73 topic_url,
74 LoginWebDialog::STYLE_BUBBLE);
75 gfx::Rect screen_bounds(chromeos::CalculateScreenBounds(gfx::Size()));
76 dialog->SetDialogSize(l10n_util::GetLocalizedContentsWidthInPixels(
77 IDS_HELP_APP_DIALOG_WIDTH_PIXELS),
78 l10n_util::GetLocalizedContentsWidthInPixels(
79 IDS_HELP_APP_DIALOG_HEIGHT_PIXELS));
80 dialog->Show();
81 // The dialog object will be deleted on dialog close.
82 }
83
84 } // namespace chromeos
85