chrome/browser/ui/webui/ntp/android/ntp_resource_cache_android.cc

   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/ui/webui/ntp/ntp_resource_cache.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/memory/ref_counted_memory.h"
   9 #include "base/strings/string16.h"
  10 #include "base/strings/string_piece.h"
  11 #include "base/strings/utf_string_conversions.h"
  12 #include "base/values.h"
  13 #include "chrome/browser/google/google_util.h"
  14 #include "chrome/browser/profiles/profile.h"
  15 #include "chrome/common/chrome_switches.h"
  16 #include "chrome/common/chrome_version_info.h"
  17 #include "content/public/browser/browser_thread.h"
  18 #include "content/public/browser/notification_service.h"
  19 #include "content/public/browser/render_process_host.h"
  20 #include "grit/browser_resources.h"
  21 #include "grit/generated_resources.h"
  22 #include "ui/base/device_form_factor.h"
  23 #include "ui/base/l10n/l10n_util.h"
  24 #include "ui/base/resource/resource_bundle.h"
  25 #include "ui/base/webui/jstemplate_builder.h"
  26 #include "ui/base/webui/web_ui_util.h"
  27
  28 using chrome::VersionInfo;
  29 using content::BrowserThread;
  30
  31 namespace {
  32
  33 const char kLearnMoreIncognitoUrl[] =
  34     "https://www.google.com/support/chrome/bin/answer.py?answer=95464";
  35
  36 }  // namespace
  37
  38 NTPResourceCache::NTPResourceCache(Profile* profile) : profile_(profile) {}
  39
  40 NTPResourceCache::~NTPResourceCache() {}
  41
  42 NTPResourceCache::WindowType NTPResourceCache::GetWindowType(
  43     Profile* profile, content::RenderProcessHost* render_host) {
  44   if (render_host) {
  45     // Sometimes the |profile| is the parent (non-incognito) version of the user
  46     // so we check the |render_host| if it is provided.
  47     if (render_host->GetBrowserContext()->IsOffTheRecord())
  48       return NTPResourceCache::INCOGNITO;
  49   } else if (profile->IsOffTheRecord()) {
  50     return NTPResourceCache::INCOGNITO;
  51   }
  52   return NTPResourceCache::NORMAL;
  53 }
  54
  55 base::RefCountedMemory* NTPResourceCache::GetNewTabHTML(WindowType win_type) {
  56   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  57   // Android uses same html/css for incognito NTP and normal NTP
  58   if (!new_tab_html_.get())
  59     CreateNewTabHTML();
  60   return new_tab_html_.get();
  61 }
  62
  63 base::RefCountedMemory* NTPResourceCache::GetNewTabCSS(WindowType win_type) {
  64   // This is used for themes, which are not currently supported on Android.
  65   NOTIMPLEMENTED();
  66   return NULL;
  67 }
  68
  69 void NTPResourceCache::Observe(int type,
  70                                const content::NotificationSource& source,
  71                                const content::NotificationDetails& details) {
  72   // No notifications necessary in Android.
  73 }
  74
  75 void NTPResourceCache::OnPreferenceChanged() {
  76   // No notifications necessary in Android.
  77 }
  78
  79 void NTPResourceCache::CreateNewTabHTML() {
  80   // TODO(estade): these strings should be defined in their relevant handlers
  81   // (in GetLocalizedValues) and should have more legible names.
  82   // Show the profile name in the title and most visited labels if the current
  83   // profile is not the default.
  84   base::DictionaryValue localized_strings;
  85   localized_strings.SetBoolean("hasattribution", false);
  86   localized_strings.SetString("title",
  87       l10n_util::GetStringUTF16(IDS_NEW_TAB_TITLE));
  88   localized_strings.SetString("mostvisited",
  89       l10n_util::GetStringUTF16(IDS_NEW_TAB_MOST_VISITED));
  90   localized_strings.SetString("recentlyclosed",
  91       l10n_util::GetStringUTF16(IDS_NEW_TAB_RECENTLY_CLOSED));
  92   localized_strings.SetString("opentabslastsynced",
  93       l10n_util::GetStringUTF16(IDS_SYNC_NTP_OPEN_TABS_LAST_SYNCED));
  94   localized_strings.SetString("elementopeninnewtab",
  95       l10n_util::GetStringUTF16(IDS_NEW_TAB_CONTEXT_MENU_OPEN_IN_NEW_TAB));
  96   localized_strings.SetString("elementopeninincognitotab",
  97       l10n_util::GetStringUTF16(
  98           IDS_NEW_TAB_CONTEXT_MENU_OPEN_IN_INCOGNITO_TAB));
  99   localized_strings.SetString("elementremove",
 100       l10n_util::GetStringUTF16(IDS_NEW_TAB_CONTEXT_MENU_REMOVE));
 101   localized_strings.SetString("removeall",
 102       l10n_util::GetStringUTF16(IDS_NEW_TAB_CONTEXT_MENU_REMOVE_ALL));
 103   localized_strings.SetString("bookmarkedit",
 104       l10n_util::GetStringUTF16(IDS_NEW_TAB_CONTEXT_MENU_EDIT_BOOKMARK));
 105   localized_strings.SetString("bookmarkdelete",
 106       l10n_util::GetStringUTF16(IDS_NEW_TAB_CONTEXT_MENU_DELETE_BOOKMARK));
 107   localized_strings.SetString("bookmarkshortcut",
 108         l10n_util::GetStringUTF16(IDS_NEW_TAB_CONTEXT_MENU_BOOKMARK_SHORTCUT));
 109   localized_strings.SetString("editfolder",
 110       l10n_util::GetStringUTF16(IDS_BOOKMARK_EDIT_FOLDER));
 111   localized_strings.SetString("deletefolder",
 112         l10n_util::GetStringUTF16(IDS_BOOKMARK_REMOVE_FOLDER));
 113   localized_strings.SetString("receivedDocuments",
 114       l10n_util::GetStringUTF16(IDS_RECEIVED_DOCUMENTS));
 115   localized_strings.SetString("syncPromo",
 116       l10n_util::GetStringUTF16(IDS_SYNC_PROMO_DESKTOP_INSTRUCTIONS));
 117   localized_strings.SetString("syncEnableSync",
 118       l10n_util::GetStringUTF16(IDS_SYNC_ENABLE_SYNC));
 119   localized_strings.SetString("bookmarkstitle",
 120       l10n_util::GetStringUTF16(IDS_ACCNAME_BOOKMARKS));
 121   localized_strings.SetString("incognito_document_title",
 122       l10n_util::GetStringUTF16(IDS_NEW_TAB_INCOGNITO_TITLE));
 123   localized_strings.SetString("most_visited_document_title",
 124       l10n_util::GetStringUTF16(IDS_NEW_TAB_MOST_VISITED_TITLE));
 125   localized_strings.SetString("bookmarks_document_title",
 126       l10n_util::GetStringUTF16(IDS_NEW_TAB_BOOKMARKS_TITLE));
 127   localized_strings.SetString("open_tabs_document_title",
 128       l10n_util::GetStringUTF16(IDS_NEW_TAB_OTHER_SESSIONS_TITLE));
 129
 130   webui::SetFontAndTextDirection(&localized_strings);
 131
 132   base::StringPiece new_tab_html(ResourceBundle::GetSharedInstance().
 133                                  GetRawDataResource(IDR_NEW_TAB_ANDROID_HTML));
 134   localized_strings.SetString(
 135       "device",
 136       ui::GetDeviceFormFactor() == ui::DEVICE_FORM_FACTOR_TABLET ?
 137           "tablet" : "phone");
 138
 139   const char* new_tab_link = kLearnMoreIncognitoUrl;
 140   base::string16 learnMoreLink = base::ASCIIToUTF16(
 141       google_util::AppendGoogleLocaleParam(GURL(new_tab_link)).spec());
 142   localized_strings.SetString("content",
 143       l10n_util::GetStringFUTF16(
 144           IDS_NEW_TAB_OTR_MESSAGE_MOBILE, learnMoreLink));
 145
 146   // Load the new tab page appropriate for this build.
 147   std::string full_html;
 148
 149   // Inject the template data into the HTML so that it is available before any
 150   // layout is needed.
 151   std::string json_html;
 152   webui::AppendJsonHtml(&localized_strings, &json_html);
 153
 154   static const base::StringPiece template_data_placeholder(
 155       "<!-- template data placeholder -->");
 156   size_t pos = new_tab_html.find(template_data_placeholder);
 157
 158   if (pos != base::StringPiece::npos) {
 159     full_html.assign(new_tab_html.data(), pos);
 160     full_html.append(json_html);
 161     size_t after_offset = pos + template_data_placeholder.size();
 162     full_html.append(new_tab_html.data() + after_offset,
 163                      new_tab_html.size() - after_offset);
 164   } else {
 165     NOTREACHED();
 166     full_html.assign(new_tab_html.data(), new_tab_html.size());
 167   }
 168
 169   new_tab_html_ = base::RefCountedString::TakeString(&full_html);
 170 }