// 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/test/base/interactive_test_utils.h"

#include <Psapi.h>

#include "base/files/file_path.h"
#include "base/logging.h"
#include "base/strings/stringprintf.h"
#include "base/time/time.h"
#include "chrome/browser/ui/host_desktop.h"
#include "chrome/test/base/interactive_test_utils_aura.h"
#include "ui/aura/window_tree_host.h"
#include "ui/base/test/ui_controls.h"
#include "ui/base/win/foreground_helper.h"
#include "ui/views/focus/focus_manager.h"

namespace ui_test_utils {

void HideNativeWindow(gfx::NativeWindow window) {
  if (chrome::GetHostDesktopTypeForNativeWindow(window) ==
      chrome::HOST_DESKTOP_TYPE_ASH) {
    HideNativeWindowAura(window);
    return;
  }
  HWND hwnd = window->GetHost()->GetAcceleratedWidget();
  ::ShowWindow(hwnd, SW_HIDE);
}

bool ShowAndFocusNativeWindow(gfx::NativeWindow window) {
  if (chrome::GetHostDesktopTypeForNativeWindow(window) ==
      chrome::HOST_DESKTOP_TYPE_ASH)
    ShowAndFocusNativeWindowAura(window);
  window->Show();
  // Always make sure the window hosting ash is visible and focused.
  HWND hwnd = window->GetHost()->GetAcceleratedWidget();

  ::ShowWindow(hwnd, SW_SHOW);

  if (GetForegroundWindow() != hwnd) {
    VLOG(1) << "Forcefully refocusing front window";
    ui::ForegroundHelper::SetForeground(hwnd);
  }

  // ShowWindow does not necessarily activate the window. In particular if a
  // window from another app is the foreground window then the request to
  // activate the window fails. See SetForegroundWindow for details.
  HWND foreground_window = GetForegroundWindow();
  if (foreground_window == hwnd)
    return true;

  wchar_t window_title[256];
  std::wstring path_str;
  if (foreground_window) {
    DWORD process_id = 0;
    GetWindowThreadProcessId(foreground_window, &process_id);
    HANDLE process_handle = OpenProcess(
        PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, process_id);
    if (process_handle) {
      wchar_t path[MAX_PATH];
      if (GetModuleFileNameEx(process_handle, NULL, path, MAX_PATH))
        path_str = path;
      CloseHandle(process_handle);
    }
  }
  GetWindowText(foreground_window, window_title, arraysize(window_title));
  LOG(ERROR) << "ShowAndFocusNativeWindow failed. foreground window: "
             << foreground_window << ", title: " << window_title << ", path: "
             << path_str;
  return false;
}

}  // namespace ui_test_utils