chrome/browser/ui/webui/components_ui.cc

   1 // Copyright 2013 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/components_ui.h"
   6
   7 #include <algorithm>
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/values.h"
  12 #include "chrome/browser/browser_process.h"
  13 #include "chrome/browser/ui/browser.h"
  14 #include "chrome/browser/ui/browser_window.h"
  15 #include "chrome/common/chrome_paths.h"
  16 #include "chrome/common/url_constants.h"
  17 #include "chrome/grit/generated_resources.h"
  18 #include "components/component_updater/component_updater_service.h"
  19 #include "components/component_updater/crx_update_item.h"
  20 #include "content/public/browser/web_ui.h"
  21 #include "content/public/browser/web_ui_data_source.h"
  22 #include "content/public/browser/web_ui_message_handler.h"
  23 #include "grit/browser_resources.h"
  24 #include "grit/theme_resources.h"
  25 #include "ui/base/l10n/l10n_util.h"
  26 #include "ui/base/resource/resource_bundle.h"
  27
  28 #if defined(OS_CHROMEOS)
  29 #include "chrome/browser/ui/webui/chromeos/ui_account_tweaks.h"
  30 #endif
  31
  32 using content::WebUIMessageHandler;
  33
  34 namespace {
  35
  36 content::WebUIDataSource* CreateComponentsUIHTMLSource(Profile* profile) {
  37   content::WebUIDataSource* source =
  38       content::WebUIDataSource::Create(chrome::kChromeUIComponentsHost);
  39
  40   source->AddLocalizedString("componentsTitle", IDS_COMPONENTS_TITLE);
  41   source->AddLocalizedString("componentsNoneInstalled",
  42                              IDS_COMPONENTS_NONE_INSTALLED);
  43   source->AddLocalizedString("componentVersion", IDS_COMPONENTS_VERSION);
  44   source->AddLocalizedString("checkUpdate", IDS_COMPONENTS_CHECK_FOR_UPDATE);
  45   source->AddLocalizedString("noComponents", IDS_COMPONENTS_NO_COMPONENTS);
  46   source->AddLocalizedString("statusLabel", IDS_COMPONENTS_STATUS_LABEL);
  47   source->AddLocalizedString("checkingLabel", IDS_COMPONENTS_CHECKING_LABEL);
  48
  49   source->SetJsonPath("strings.js");
  50   source->AddResourcePath("components.js", IDR_COMPONENTS_JS);
  51   source->SetDefaultResource(IDR_COMPONENTS_HTML);
  52 #if defined(OS_CHROMEOS)
  53   chromeos::AddAccountUITweaksLocalizedValues(source, profile);
  54 #endif
  55   return source;
  56 }
  57
  58 ////////////////////////////////////////////////////////////////////////////////
  59 //
  60 // ComponentsDOMHandler
  61 //
  62 ////////////////////////////////////////////////////////////////////////////////
  63
  64 // The handler for Javascript messages for the chrome://components/ page.
  65 class ComponentsDOMHandler : public WebUIMessageHandler {
  66  public:
  67   ComponentsDOMHandler();
  68   virtual ~ComponentsDOMHandler() {}
  69
  70   // WebUIMessageHandler implementation.
  71   virtual void RegisterMessages() override;
  72
  73   // Callback for the "requestComponentsData" message.
  74   void HandleRequestComponentsData(const base::ListValue* args);
  75
  76   // Callback for the "checkUpdate" message.
  77   void HandleCheckUpdate(const base::ListValue* args);
  78
  79  private:
  80   content::NotificationRegistrar registrar_;
  81
  82   DISALLOW_COPY_AND_ASSIGN(ComponentsDOMHandler);
  83 };
  84
  85 ComponentsDOMHandler::ComponentsDOMHandler() {
  86 }
  87
  88 void ComponentsDOMHandler::RegisterMessages() {
  89   web_ui()->RegisterMessageCallback(
  90       "requestComponentsData",
  91       base::Bind(&ComponentsDOMHandler::HandleRequestComponentsData,
  92                  base::Unretained(this)));
  93
  94   web_ui()->RegisterMessageCallback(
  95       "checkUpdate",
  96       base::Bind(&ComponentsDOMHandler::HandleCheckUpdate,
  97                  base::Unretained(this)));
  98 }
  99
 100 void ComponentsDOMHandler::HandleRequestComponentsData(
 101     const base::ListValue* args) {
 102   base::ListValue* list = ComponentsUI::LoadComponents();
 103   base::DictionaryValue result;
 104   result.Set("components", list);
 105   web_ui()->CallJavascriptFunction("returnComponentsData", result);
 106 }
 107
 108 // This function is called when user presses button from html UI.
 109 // TODO(shrikant): We need to make this button available based on current
 110 // state e.g. If component state is currently updating then we need to disable
 111 // button. (https://code.google.com/p/chromium/issues/detail?id=272540)
 112 void ComponentsDOMHandler::HandleCheckUpdate(const base::ListValue* args) {
 113   if (args->GetSize() != 1) {
 114     NOTREACHED();
 115     return;
 116   }
 117
 118   std::string component_id;
 119   if (!args->GetString(0, &component_id)) {
 120     NOTREACHED();
 121     return;
 122   }
 123
 124   ComponentsUI::OnDemandUpdate(component_id);
 125 }
 126
 127 }  // namespace
 128
 129 ///////////////////////////////////////////////////////////////////////////////
 130 //
 131 // ComponentsUI
 132 //
 133 ///////////////////////////////////////////////////////////////////////////////
 134
 135 ComponentsUI::ComponentsUI(content::WebUI* web_ui) : WebUIController(web_ui) {
 136   web_ui->AddMessageHandler(new ComponentsDOMHandler());
 137
 138   // Set up the chrome://components/ source.
 139   Profile* profile = Profile::FromWebUI(web_ui);
 140   content::WebUIDataSource::Add(profile, CreateComponentsUIHTMLSource(profile));
 141   component_updater::ComponentUpdateService* cus =
 142       g_browser_process->component_updater();
 143   cus->AddObserver(this);
 144 }
 145
 146 ComponentsUI::~ComponentsUI() {
 147   component_updater::ComponentUpdateService* cus =
 148       g_browser_process->component_updater();
 149   if (cus)
 150     cus->RemoveObserver(this);
 151 }
 152
 153 // static
 154 void ComponentsUI::OnDemandUpdate(const std::string& component_id) {
 155   component_updater::ComponentUpdateService* cus =
 156       g_browser_process->component_updater();
 157   cus->GetOnDemandUpdater().OnDemandUpdate(component_id);
 158 }
 159
 160 // static
 161 base::ListValue* ComponentsUI::LoadComponents() {
 162   component_updater::ComponentUpdateService* cus =
 163       g_browser_process->component_updater();
 164   std::vector<std::string> component_ids;
 165   component_ids = cus->GetComponentIDs();
 166
 167   // Construct DictionaryValues to return to UI.
 168   base::ListValue* component_list = new base::ListValue();
 169   for (size_t j = 0; j < component_ids.size(); ++j) {
 170     component_updater::CrxUpdateItem item;
 171     if (cus->GetComponentDetails(component_ids[j], &item)) {
 172       base::DictionaryValue* component_entry = new base::DictionaryValue();
 173       component_entry->SetString("id", component_ids[j]);
 174       component_entry->SetString("name", item.component.name);
 175       component_entry->SetString("version", item.component.version.GetString());
 176       component_entry->SetString("status", ServiceStatusToString(item.status));
 177       component_list->Append(component_entry);
 178     }
 179   }
 180
 181   return component_list;
 182 }
 183
 184 // static
 185 base::RefCountedMemory* ComponentsUI::GetFaviconResourceBytes(
 186       ui::ScaleFactor scale_factor) {
 187   return ResourceBundle::GetSharedInstance().
 188       LoadDataResourceBytesForScale(IDR_PLUGINS_FAVICON, scale_factor);
 189 }
 190
 191 base::string16 ComponentsUI::ComponentEventToString(Events event) {
 192   switch (event) {
 193     case COMPONENT_UPDATER_STARTED:
 194       return l10n_util::GetStringUTF16(IDS_COMPONENTS_EVT_STATUS_STARTED);
 195     case COMPONENT_UPDATER_SLEEPING:
 196       return l10n_util::GetStringUTF16(IDS_COMPONENTS_EVT_STATUS_SLEEPING);
 197     case COMPONENT_UPDATE_FOUND:
 198       return l10n_util::GetStringUTF16(IDS_COMPONENTS_EVT_STATUS_FOUND);
 199     case COMPONENT_UPDATE_READY:
 200       return l10n_util::GetStringUTF16(IDS_COMPONENTS_EVT_STATUS_READY);
 201     case COMPONENT_UPDATED:
 202       return l10n_util::GetStringUTF16(IDS_COMPONENTS_EVT_STATUS_UPDATED);
 203     case COMPONENT_NOT_UPDATED:
 204       return l10n_util::GetStringUTF16(IDS_COMPONENTS_EVT_STATUS_NOTUPDATED);
 205     case COMPONENT_UPDATE_DOWNLOADING:
 206       return l10n_util::GetStringUTF16(IDS_COMPONENTS_EVT_STATUS_DOWNLOADING);
 207   }
 208   return l10n_util::GetStringUTF16(IDS_COMPONENTS_UNKNOWN);
 209 }
 210
 211 base::string16 ComponentsUI::ServiceStatusToString(
 212     component_updater::CrxUpdateItem::Status status) {
 213   switch (status) {
 214     case component_updater::CrxUpdateItem::kNew:
 215       return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_NEW);
 216     case component_updater::CrxUpdateItem::kChecking:
 217       return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_CHECKING);
 218     case component_updater::CrxUpdateItem::kCanUpdate:
 219       return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_UPDATE);
 220     case component_updater::CrxUpdateItem::kDownloadingDiff:
 221       return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_DNL_DIFF);
 222     case component_updater::CrxUpdateItem::kDownloading:
 223       return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_DNL);
 224     case component_updater::CrxUpdateItem::kUpdatingDiff:
 225       return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_UPDT_DIFF);
 226     case component_updater::CrxUpdateItem::kUpdating:
 227       return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_UPDATING);
 228     case component_updater::CrxUpdateItem::kUpdated:
 229       return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_UPDATED);
 230     case component_updater::CrxUpdateItem::kUpToDate:
 231       return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_UPTODATE);
 232     case component_updater::CrxUpdateItem::kNoUpdate:
 233       return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_NOUPDATE);
 234     case component_updater::CrxUpdateItem::kLastStatus:
 235       return l10n_util::GetStringUTF16(IDS_COMPONENTS_UNKNOWN);
 236   }
 237   return l10n_util::GetStringUTF16(IDS_COMPONENTS_UNKNOWN);
 238 }
 239
 240 void ComponentsUI::OnEvent(Events event, const std::string& id) {
 241   base::DictionaryValue parameters;
 242   parameters.SetString("event", ComponentEventToString(event));
 243   if (!id.empty()) {
 244     using component_updater::ComponentUpdateService;
 245     if (event == ComponentUpdateService::Observer::COMPONENT_UPDATED) {
 246       ComponentUpdateService* cus = g_browser_process->component_updater();
 247       component_updater::CrxUpdateItem item;
 248       if (cus->GetComponentDetails(id, &item))
 249         parameters.SetString("version", item.component.version.GetString());
 250     }
 251     parameters.SetString("id", id);
 252   }
 253   web_ui()->CallJavascriptFunction("onComponentEvent", parameters);
 254 }