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// Copyright (c) 2010 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/dom_ui/advanced_options_utils.h"

#include <windows.h>
#include <cryptuiapi.h>
#pragma comment(lib, "cryptui.lib")
#include <shellapi.h>

#include "base/file_util.h"
#include "base/path_service.h"
#include "base/thread.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/tab_contents/tab_contents.h"
#include "chrome/browser/tab_contents/tab_contents_view.h"

// A helper method that opens the Internet Options control panel dialog with
// the Connections tab selected.
class OpenConnectionDialogTask : public Task {
 public:
  OpenConnectionDialogTask() {}

  virtual void Run() {
    // Using rundll32 seems better than LaunchConnectionDialog which causes a
    // new dialog to be made for each call.  rundll32 uses the same global
    // dialog and it seems to share with the shortcut in control panel.
    FilePath rundll32;
    PathService::Get(base::DIR_SYSTEM, &rundll32);
    rundll32 = rundll32.AppendASCII("rundll32.exe");

    FilePath shell32dll;
    PathService::Get(base::DIR_SYSTEM, &shell32dll);
    shell32dll = shell32dll.AppendASCII("shell32.dll");

    FilePath inetcpl;
    PathService::Get(base::DIR_SYSTEM, &inetcpl);
    inetcpl = inetcpl.AppendASCII("inetcpl.cpl,,4");

    std::wstring args(shell32dll.value());
    args.append(L",Control_RunDLL ");
    args.append(inetcpl.value());

    ShellExecute(NULL, L"open", rundll32.value().c_str(), args.c_str(), NULL,
                 SW_SHOWNORMAL);
  }

 private:
  DISALLOW_COPY_AND_ASSIGN(OpenConnectionDialogTask);
};

void AdvancedOptionsUtilities::ShowNetworkProxySettings(
      TabContents* tab_contents) {
  base::Thread* thread = g_browser_process->file_thread();
  DCHECK(thread);
  thread->message_loop()->PostTask(FROM_HERE, new OpenConnectionDialogTask);
}

void AdvancedOptionsUtilities::ShowManageSSLCertificates(
      TabContents* tab_contents) {
  CRYPTUI_CERT_MGR_STRUCT cert_mgr = { 0 };
  cert_mgr.dwSize = sizeof(CRYPTUI_CERT_MGR_STRUCT);
  cert_mgr.hwndParent =
  tab_contents->view()->GetTopLevelNativeWindow();
  ::CryptUIDlgCertMgr(&cert_mgr);
}