// 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/startup/bad_flags_prompt.h"

#include "base/command_line.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/api/infobars/simple_alert_infobar_delegate.h"
#include "chrome/browser/infobars/infobar_tab_helper.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_tabstrip.h"
#include "chrome/common/chrome_switches.h"
#include "grit/generated_resources.h"
#include "ui/base/l10n/l10n_util.h"

namespace chrome {

void ShowBadFlagsPrompt(Browser* browser) {
  // Unsupported flags for which to display a warning that "stability and
  // security will suffer".
  static const char* kBadFlags[] = {
    // These imply disabling the sandbox.
    switches::kSingleProcess,
    switches::kNoSandbox,
    switches::kInProcessWebGL,
    switches::kDisableWebSecurity,
    // Browser plugin is dangerous on regular pages because it breaks the Same
    // Origin Policy.
    switches::kEnableBrowserPluginForAllViewTypes,
    NULL
  };

  const char* bad_flag = NULL;
  for (const char** flag = kBadFlags; *flag; ++flag) {
    if (CommandLine::ForCurrentProcess()->HasSwitch(*flag)) {
      bad_flag = *flag;
      break;
    }
  }

  if (bad_flag) {
    content::WebContents* web_contents = chrome::GetActiveWebContents(browser);
    if (!web_contents)
      return;
    InfoBarTabHelper* infobar_tab_helper =
        InfoBarTabHelper::FromWebContents(web_contents);
    infobar_tab_helper->AddInfoBar(
        new SimpleAlertInfoBarDelegate(
            infobar_tab_helper, NULL,
            l10n_util::GetStringFUTF16(
            IDS_BAD_FLAGS_WARNING_MESSAGE,
            UTF8ToUTF16(std::string("--") + bad_flag)),
            false));
  }
}

}  // namespace chrome