// 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.

#ifndef CHROME_FRAME_TEST_SIMULATE_INPUT_H_
#define CHROME_FRAME_TEST_SIMULATE_INPUT_H_

#include <windows.h>
#include <string>

#include "base/basictypes.h"
#include "base/process/process_handle.h"

namespace simulate_input {

enum Modifier {
  NONE,
  SHIFT = 1,
  CONTROL = 2,
  ALT = 4
};

enum KeyMode {
  KEY_DOWN,
  KEY_UP,
};

// Bring a window into foreground to receive user input.
// Note that this may not work on
bool ForceSetForegroundWindow(HWND window);

// Looks for a top level window owned by the given process id and
// calls ForceSetForegroundWindow on it.
bool EnsureProcessInForeground(base::ProcessId process_id);

// Helper function to set keyboard focus to a window. This is achieved by
// sending a mouse move followed by a mouse down/mouse up combination to the
// window.
void SetKeyboardFocusToWindow(HWND window);

// Sends a keystroke to the currently active application with optional modifiers
// set. Sends one "key (down|up)" input event for each modifier set, plus one
// for |mnemonic_char| depending on the value of |key_mode|. This can be useful
// as it has been observed that tests will exit after receiving the "key down"
// events leaving the keyboard in an inconsistent state.
void SendMnemonic(WORD mnemonic_char, uint32 modifiers, bool extended,
                  bool unicode, KeyMode key_mode);

// Sends a mouse click to the desktop.
enum MouseButton { LEFT, RIGHT, MIDDLE, X };
void SendMouseClick(int x, int y, MouseButton button);
// Sends a mouse click to the window passed in, after ensuring that the window
// is in the foreground.
void SendMouseClick(HWND window, int x, int y, MouseButton button);

// Translates a single char to a virtual key.
void SendScanCode(short scan_code, uint32 modifiers);
void SendCharA(char c, uint32 modifiers);
void SendCharW(wchar_t c, uint32 modifiers);

// Sends extended keystroke to the currently active application with optional
// modifiers set.
void SendExtendedKey(WORD key, uint32 modifiers);

// Iterates through all the characters in the string and simulates
// keyboard input.  The input goes to the currently active application.
void SendStringW(const std::wstring& s);
void SendStringA(const std::string& s);

}  // end namespace simulate_input

#endif  // CHROME_FRAME_TEST_SIMULATE_INPUT_H_