win8/test/open_with_dialog_async.h

   1 // Copyright (c) 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 #ifndef WIN8_TEST_OPEN_WITH_DIALOG_ASYNC_H_
   6 #define WIN8_TEST_OPEN_WITH_DIALOG_ASYNC_H_
   7
   8 #include <windows.h>
   9
  10 #include "base/callback_forward.h"
  11 #include "base/strings/string16.h"
  12
  13 namespace win8 {
  14
  15 // Expected HRESULTS:
  16 //   S_OK - A choice was made.
  17 //   HRESULT_FROM_WIN32(ERROR_CANCELLED) - The dialog was dismissed.
  18 //   HRESULT_FROM_WIN32(RPC_S_CALL_FAILED) - OpenWith.exe died.
  19 typedef base::Callback<void(HRESULT)> OpenWithDialogCallback;
  20
  21 // Calls SHOpenWithDialog on a dedicated thread, returning the result to the
  22 // caller via |callback| on the current thread.  The Windows SHOpenWithDialog
  23 // function blocks until the user makes a choice or dismisses the dialog (there
  24 // is no natural timeout nor a means by which it can be cancelled).  Note that
  25 // the dedicated thread will be leaked if the calling thread's message loop goes
  26 // away before the interaction completes.
  27 void OpenWithDialogAsync(HWND parent_window,
  28                          const base::string16& file_name,
  29                          const base::string16& file_type_class,
  30                          int open_as_info_flags,
  31                          const OpenWithDialogCallback& callback);
  32
  33 }  // namespace win8
  34
  35 #endif  // WIN8_TEST_OPEN_WITH_DIALOG_ASYNC_H_