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 "content/public/browser/web_ui.h"
  20 #include "content/public/browser/web_ui_data_source.h"
  21 #include "content/public/browser/web_ui_message_handler.h"
  22 #include "grit/browser_resources.h"
  23 #include "grit/theme_resources.h"
  24 #include "ui/base/l10n/l10n_util.h"
  25 #include "ui/base/resource/resource_bundle.h"
  26
  27 #if defined(OS_CHROMEOS)
  28 #include "chrome/browser/ui/webui/chromeos/ui_account_tweaks.h"
  29 #endif
  30
  31 using content::WebUIMessageHandler;
  32
  33 namespace {
  34
  35 content::WebUIDataSource* CreateComponentsUIHTMLSource(Profile* profile) {
  36   content::WebUIDataSource* source =
  37       content::WebUIDataSource::Create(chrome::kChromeUIComponentsHost);
  38
  39   source->AddLocalizedString("componentsTitle", IDS_COMPONENTS_TITLE);
  40   source->AddLocalizedString("componentsNoneInstalled",
  41                              IDS_COMPONENTS_NONE_INSTALLED);
  42   source->AddLocalizedString("componentVersion", IDS_COMPONENTS_VERSION);
  43   source->AddLocalizedString("checkUpdate", IDS_COMPONENTS_CHECK_FOR_UPDATE);
  44   source->AddLocalizedString("noComponents", IDS_COMPONENTS_NO_COMPONENTS);
  45   source->AddLocalizedString("statusLabel", IDS_COMPONENTS_STATUS_LABEL);
  46   source->AddLocalizedString("checkingLabel", IDS_COMPONENTS_CHECKING_LABEL);
  47
  48   source->SetJsonPath("strings.js");
  49   source->AddResourcePath("components.js", IDR_COMPONENTS_JS);
  50   source->SetDefaultResource(IDR_COMPONENTS_HTML);
  51 #if defined(OS_CHROMEOS)
  52   chromeos::AddAccountUITweaksLocalizedValues(source, profile);
  53 #endif
  54   return source;
  55 }
  56
  57 ////////////////////////////////////////////////////////////////////////////////
  58 //
  59 // ComponentsDOMHandler
  60 //
  61 ////////////////////////////////////////////////////////////////////////////////
  62
  63 // The handler for Javascript messages for the chrome://components/ page.
  64 class ComponentsDOMHandler : public WebUIMessageHandler {
  65  public:
  66   ComponentsDOMHandler();
  67   ~ComponentsDOMHandler() override {}
  68
  69   // WebUIMessageHandler implementation.
  70   void RegisterMessages() override;
  71
  72   // Callback for the "requestComponentsData" message.
  73   void HandleRequestComponentsData(const base::ListValue* args);
  74
  75   // Callback for the "checkUpdate" message.
  76   void HandleCheckUpdate(const base::ListValue* args);
  77
  78  private:
  79   content::NotificationRegistrar registrar_;
  80
  81   DISALLOW_COPY_AND_ASSIGN(ComponentsDOMHandler);
  82 };
  83
  84 ComponentsDOMHandler::ComponentsDOMHandler() {
  85 }
  86
  87 void ComponentsDOMHandler::RegisterMessages() {
  88   web_ui()->RegisterMessageCallback(
  89       "requestComponentsData",
  90       base::Bind(&ComponentsDOMHandler::HandleRequestComponentsData,
  91                  base::Unretained(this)));
  92
  93   web_ui()->RegisterMessageCallback(
  94       "checkUpdate",
  95       base::Bind(&ComponentsDOMHandler::HandleCheckUpdate,
  96                  base::Unretained(this)));
  97 }
  98
  99 void ComponentsDOMHandler::HandleRequestComponentsData(
 100     const base::ListValue* args) {
 101   base::ListValue* list = ComponentsUI::LoadComponents();
 102   base::DictionaryValue result;
 103   result.Set("components", list);
 104   web_ui()->CallJavascriptFunction("returnComponentsData", result);
 105 }
 106
 107 // This function is called when user presses button from html UI.
 108 // TODO(shrikant): We need to make this button available based on current
 109 // state e.g. If component state is currently updating then we need to disable
 110 // button. (https://code.google.com/p/chromium/issues/detail?id=272540)
 111 void ComponentsDOMHandler::HandleCheckUpdate(const base::ListValue* args) {
 112   if (args->GetSize() != 1) {
 113     NOTREACHED();
 114     return;
 115   }
 116
 117   std::string component_id;
 118   if (!args->GetString(0, &component_id)) {
 119     NOTREACHED();
 120     return;
 121   }
 122
 123   ComponentsUI::OnDemandUpdate(component_id);
 124 }
 125
 126 }  // namespace
 127
 128 ///////////////////////////////////////////////////////////////////////////////
 129 //
 130 // ComponentsUI
 131 //
 132 ///////////////////////////////////////////////////////////////////////////////
 133
 134 ComponentsUI::ComponentsUI(content::WebUI* web_ui) : WebUIController(web_ui) {
 135   web_ui->AddMessageHandler(new ComponentsDOMHandler());
 136
 137   // Set up the chrome://components/ source.
 138   Profile* profile = Profile::FromWebUI(web_ui);
 139   content::WebUIDataSource::Add(profile, CreateComponentsUIHTMLSource(profile));
 140   component_updater::ComponentUpdateService* cus =
 141       g_browser_process->component_updater();
 142   cus->AddObserver(this);
 143 }
 144
 145 ComponentsUI::~ComponentsUI() {
 146   component_updater::ComponentUpdateService* cus =
 147       g_browser_process->component_updater();
 148   if (cus)
 149     cus->RemoveObserver(this);
 150 }
 151
 152 // static
 153 void ComponentsUI::OnDemandUpdate(const std::string& component_id) {
 154   component_updater::ComponentUpdateService* cus =
 155       g_browser_process->component_updater();
 156   cus->GetOnDemandUpdater().OnDemandUpdate(component_id);
 157 }
 158
 159 // static
 160 base::ListValue* ComponentsUI::LoadComponents() {
 161   component_updater::ComponentUpdateService* cus =
 162       g_browser_process->component_updater();
 163   std::vector<std::string> component_ids;
 164   component_ids = cus->GetComponentIDs();
 165
 166   // Construct DictionaryValues to return to UI.
 167   base::ListValue* component_list = new base::ListValue();
 168   for (size_t j = 0; j < component_ids.size(); ++j) {
 169     update_client::CrxUpdateItem item;
 170     if (cus->GetComponentDetails(component_ids[j], &item)) {
 171       base::DictionaryValue* component_entry = new base::DictionaryValue();
 172       component_entry->SetString("id", component_ids[j]);
 173       component_entry->SetString("name", item.component.name);
 174       component_entry->SetString("version", item.component.version.GetString());
 175       component_entry->SetString("status", ServiceStatusToString(item.state));
 176       component_list->Append(component_entry);
 177     }
 178   }
 179
 180   return component_list;
 181 }
 182
 183 // static
 184 base::RefCountedMemory* ComponentsUI::GetFaviconResourceBytes(
 185       ui::ScaleFactor scale_factor) {
 186   return ResourceBundle::GetSharedInstance().
 187       LoadDataResourceBytesForScale(IDR_PLUGINS_FAVICON, scale_factor);
 188 }
 189
 190 base::string16 ComponentsUI::ComponentEventToString(Events event) {
 191   switch (event) {
 192     case Events::COMPONENT_CHECKING_FOR_UPDATES:
 193       return l10n_util::GetStringUTF16(IDS_COMPONENTS_EVT_STATUS_STARTED);
 194     case Events::COMPONENT_WAIT:
 195       return l10n_util::GetStringUTF16(IDS_COMPONENTS_EVT_STATUS_SLEEPING);
 196     case Events::COMPONENT_UPDATE_FOUND:
 197       return l10n_util::GetStringUTF16(IDS_COMPONENTS_EVT_STATUS_FOUND);
 198     case Events::COMPONENT_UPDATE_READY:
 199       return l10n_util::GetStringUTF16(IDS_COMPONENTS_EVT_STATUS_READY);
 200     case Events::COMPONENT_UPDATED:
 201       return l10n_util::GetStringUTF16(IDS_COMPONENTS_EVT_STATUS_UPDATED);
 202     case Events::COMPONENT_NOT_UPDATED:
 203       return l10n_util::GetStringUTF16(IDS_COMPONENTS_EVT_STATUS_NOTUPDATED);
 204     case Events::COMPONENT_UPDATE_DOWNLOADING:
 205       return l10n_util::GetStringUTF16(IDS_COMPONENTS_EVT_STATUS_DOWNLOADING);
 206   }
 207   return l10n_util::GetStringUTF16(IDS_COMPONENTS_UNKNOWN);
 208 }
 209
 210 base::string16 ComponentsUI::ServiceStatusToString(
 211     update_client::CrxUpdateItem::State state) {
 212   // TODO(sorin): handle kDownloaded. For now, just handle it as kUpdating.
 213   switch (state) {
 214     case update_client::CrxUpdateItem::State::kNew:
 215       return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_NEW);
 216     case update_client::CrxUpdateItem::State::kChecking:
 217       return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_CHECKING);
 218     case update_client::CrxUpdateItem::State::kCanUpdate:
 219       return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_UPDATE);
 220     case update_client::CrxUpdateItem::State::kDownloadingDiff:
 221       return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_DNL_DIFF);
 222     case update_client::CrxUpdateItem::State::kDownloading:
 223       return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_DNL);
 224     case update_client::CrxUpdateItem::State::kUpdatingDiff:
 225       return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_UPDT_DIFF);
 226     case update_client::CrxUpdateItem::State::kUpdating:
 227       return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_UPDATING);
 228     case update_client::CrxUpdateItem::State::kDownloaded:
 229       return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_DOWNLOADED);
 230     case update_client::CrxUpdateItem::State::kUpdated:
 231       return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_UPDATED);
 232     case update_client::CrxUpdateItem::State::kUpToDate:
 233       return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_UPTODATE);
 234     case update_client::CrxUpdateItem::State::kNoUpdate:
 235       return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_NOUPDATE);
 236     case update_client::CrxUpdateItem::State::kLastStatus:
 237       return l10n_util::GetStringUTF16(IDS_COMPONENTS_UNKNOWN);
 238   }
 239   return l10n_util::GetStringUTF16(IDS_COMPONENTS_UNKNOWN);
 240 }
 241
 242 void ComponentsUI::OnEvent(Events event, const std::string& id) {
 243   base::DictionaryValue parameters;
 244   parameters.SetString("event", ComponentEventToString(event));
 245   if (!id.empty()) {
 246     if (event == Events::COMPONENT_UPDATED) {
 247       auto cus = g_browser_process->component_updater();
 248       update_client::CrxUpdateItem item;
 249       if (cus->GetComponentDetails(id, &item))
 250         parameters.SetString("version", item.component.version.GetString());
 251     }
 252     parameters.SetString("id", id);
 253   }
 254   web_ui()->CallJavascriptFunction("onComponentEvent", parameters);
 255 }