text: // Copyright (c) 2012 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #include "chrome/browser/ui/webui/version_ui.h"
  
  #include "base/command_line.h"
  #include "base/strings/string_number_conversions.h"
  #include "base/strings/utf_string_conversions.h"
  #include "chrome/browser/profiles/profile.h"
  #include "chrome/browser/ui/webui/version_handler.h"
  #include "chrome/common/chrome_content_client.h"
  #include "chrome/common/chrome_version_info.h"
  #include "chrome/common/url_constants.h"
  #include "chrome/grit/chromium_strings.h"
  #include "chrome/grit/generated_resources.h"
  #include "chrome/grit/google_chrome_strings.h"
  #include "content/public/browser/url_data_source.h"
  #include "content/public/browser/web_ui.h"
  #include "content/public/browser/web_ui_data_source.h"
  #include "content/public/common/user_agent.h"
  #include "grit/browser_resources.h"
  #include "ui/base/l10n/l10n_util.h"
  #include "v8/include/v8.h"
  
  #if defined(ENABLE_THEMES)
  #include "chrome/browser/ui/webui/theme_source.h"
  #endif
  
  #if defined(OS_ANDROID)
  #include "base/android/build_info.h"
  #include "chrome/browser/ui/android/android_about_app_info.h"
  #endif
  
  #if defined(OS_CHROMEOS)
  #include "chrome/browser/ui/webui/version_handler_chromeos.h"
  #endif
  
  namespace {
  
  content::WebUIDataSource* CreateVersionUIDataSource(Profile* profile) {
    content::WebUIDataSource* html_source =
        content::WebUIDataSource::Create(chrome::kChromeUIVersionHost);
  
    // Localized and data strings.
    html_source->AddLocalizedString("title", IDS_ABOUT_VERSION_TITLE);
    chrome::VersionInfo version_info;
    html_source->AddString("version", version_info.Version());
    html_source->AddString("version_modifier",
                           chrome::VersionInfo::GetVersionStringModifier());
    html_source->AddLocalizedString("os_name", IDS_ABOUT_VERSION_OS);
    html_source->AddLocalizedString("platform", IDS_PLATFORM_LABEL);
    html_source->AddString("os_type", version_info.OSType());
    html_source->AddString("blink_version", content::GetWebKitVersion());
    html_source->AddString("js_engine", "V8");
    html_source->AddString("js_version", v8::V8::GetVersion());
  
  #if defined(OS_ANDROID)
    html_source->AddLocalizedString("application_label",
                                    IDS_ABOUT_VERSION_APPLICATION);
    html_source->AddString("os_version", AndroidAboutAppInfo::GetOsInfo());
    base::android::BuildInfo* android_build_info =
        base::android::BuildInfo::GetInstance();
    html_source->AddString("application_name",
                           android_build_info->package_label());
    html_source->AddString("application_version_name",
                           android_build_info->package_version_name());
    html_source->AddString("application_version_code",
                           android_build_info->package_version_code());
    html_source->AddLocalizedString("build_id_name",
                                    IDS_ABOUT_VERSION_BUILD_ID);
    html_source->AddString("build_id", CHROME_BUILD_ID);
  #else
    html_source->AddLocalizedString("application_label", IDS_PRODUCT_NAME);
    html_source->AddString("os_version", std::string());
    html_source->AddString("flash_plugin", "Flash");
    // Note that the Flash version is retrieve asynchronously and returned in
    // VersionHandler::OnGotPlugins. The area is initially blank.
    html_source->AddString("flash_version", std::string());
  #endif  // defined(OS_ANDROID)
  
    html_source->AddLocalizedString("company", IDS_ABOUT_VERSION_COMPANY_NAME);
    base::Time::Exploded exploded_time;
    base::Time::Now().LocalExplode(&exploded_time);
    html_source->AddString(
        "copyright",
        l10n_util::GetStringFUTF16(IDS_ABOUT_VERSION_COPYRIGHT,
                                   base::IntToString16(exploded_time.year)));
    html_source->AddString("cl", version_info.LastChange());
    html_source->AddLocalizedString("official",
        version_info.IsOfficialBuild() ? IDS_ABOUT_VERSION_OFFICIAL :
                                         IDS_ABOUT_VERSION_UNOFFICIAL);
    html_source->AddLocalizedString("user_agent_name",
                                    IDS_ABOUT_VERSION_USER_AGENT);
    html_source->AddString("useragent", GetUserAgent());
    html_source->AddLocalizedString("command_line_name",
                                    IDS_ABOUT_VERSION_COMMAND_LINE);
  
  #if defined(OS_WIN)
    html_source->AddString("command_line", base::WideToUTF16(
        CommandLine::ForCurrentProcess()->GetCommandLineString()));
  #elif defined(OS_POSIX)
    std::string command_line;
    typedef std::vector<std::string> ArgvList;
    const ArgvList& argv = CommandLine::ForCurrentProcess()->argv();
    for (ArgvList::const_iterator iter = argv.begin(); iter != argv.end(); iter++)
      command_line += " " + *iter;
    // TODO(viettrungluu): |command_line| could really have any encoding, whereas
    // below we assumes it's UTF-8.
    html_source->AddString("command_line", command_line);
  #endif
  
    // Note that the executable path and profile path are retrieved asynchronously
    // and returned in VersionHandler::OnGotFilePaths. The area is initially
    // blank.
    html_source->AddLocalizedString("executable_path_name",
                                    IDS_ABOUT_VERSION_EXECUTABLE_PATH);
    html_source->AddString("executable_path", std::string());
  
    html_source->AddLocalizedString("profile_path_name",
                                    IDS_ABOUT_VERSION_PROFILE_PATH);
    html_source->AddString("profile_path", std::string());
  
    html_source->AddLocalizedString("variations_name",
                                    IDS_ABOUT_VERSION_VARIATIONS);
  
    html_source->SetUseJsonJSFormatV2();
    html_source->SetJsonPath("strings.js");
    html_source->AddResourcePath("version.js", IDR_ABOUT_VERSION_JS);
    html_source->AddResourcePath("about_version.css", IDR_ABOUT_VERSION_CSS);
    html_source->SetDefaultResource(IDR_ABOUT_VERSION_HTML);
    return html_source;
  }
  
  }  // namespace
  
  VersionUI::VersionUI(content::WebUI* web_ui)
      : content::WebUIController(web_ui) {
    Profile* profile = Profile::FromWebUI(web_ui);
  
  #if defined(OS_CHROMEOS)
    web_ui->AddMessageHandler(new VersionHandlerChromeOS());
  #else
    web_ui->AddMessageHandler(new VersionHandler());
  #endif
  
  #if defined(ENABLE_THEMES)
    // Set up the chrome://theme/ source.
    ThemeSource* theme = new ThemeSource(profile);
    content::URLDataSource::Add(profile, theme);
  #endif
  
    content::WebUIDataSource::Add(profile, CreateVersionUIDataSource(profile));
  }
  
  VersionUI::~VersionUI() {
  }
  