1// Copyright (c) 2012 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 CONTENT_TEST_MOCK_KEYBOARD_H_ 6#define CONTENT_TEST_MOCK_KEYBOARD_H_ 7 8#include <string> 9 10#include "base/basictypes.h" 11 12#if defined(OS_WIN) 13#include "content/test/mock_keyboard_driver_win.h" 14#endif 15 16namespace content { 17 18// A mock keyboard interface. 19// This class defines a pseudo keyboard device, which implements mappings from 20// a tuple (layout, key code, modifiers) to Unicode characters so that 21// engineers can write RenderViewTest cases without taking care of such 22// mappings. (This mapping is not trivial when using non-US keyboards.) 23// A pseudo keyboard device consists of two parts: a platform-independent part 24// and a platform-dependent part. This class implements the platform-independent 25// part. The platform-dependet part is implemented in the MockKeyboardWin class. 26// This class is usually called from RenderViewTest::SendKeyEvent(). 27class MockKeyboard { 28 public: 29 // Represents keyboard-layouts. 30 enum Layout { 31 LAYOUT_NULL, 32 LAYOUT_ARABIC, 33 LAYOUT_BULGARIAN, 34 LAYOUT_CHINESE_TRADITIONAL, 35 LAYOUT_CZECH, 36 LAYOUT_DANISH, 37 LAYOUT_GERMAN, 38 LAYOUT_GREEK, 39 LAYOUT_UNITED_STATES, 40 LAYOUT_SPANISH, 41 LAYOUT_FINNISH, 42 LAYOUT_FRENCH, 43 LAYOUT_HEBREW, 44 LAYOUT_HUNGARIAN, 45 LAYOUT_ICELANDIC, 46 LAYOUT_ITALIAN, 47 LAYOUT_JAPANESE, 48 LAYOUT_KOREAN, 49 LAYOUT_POLISH, 50 LAYOUT_PORTUGUESE_BRAZILIAN, 51 LAYOUT_ROMANIAN, 52 LAYOUT_RUSSIAN, 53 LAYOUT_CROATIAN, 54 LAYOUT_SLOVAK, 55 LAYOUT_THAI, 56 LAYOUT_SWEDISH, 57 LAYOUT_TURKISH_Q, 58 LAYOUT_VIETNAMESE, 59 LAYOUT_DEVANAGARI_INSCRIPT, 60 LAYOUT_PORTUGUESE, 61 LAYOUT_UNITED_STATES_DVORAK, 62 LAYOUT_CANADIAN_FRENCH, 63 }; 64 65 // Enumerates keyboard modifiers. 66 // These modifiers explicitly distinguish left-keys and right-keys because we 67 // should emulate AltGr (right-alt) key, used by many European keyboards to 68 // input alternate graph characters. 69 enum Modifiers { 70 INVALID = -1, 71 NONE = 0, 72 LEFT_SHIFT = 1 << 0, 73 LEFT_CONTROL = 1 << 1, 74 LEFT_ALT = 1 << 2, 75 LEFT_META = 1 << 3, 76 RIGHT_SHIFT = 1 << 4, 77 RIGHT_CONTROL = 1 << 5, 78 RIGHT_ALT = 1 << 6, 79 RIGHT_META = 1 << 7, 80 KEYPAD = 1 << 8, 81 AUTOREPEAAT = 1 << 9, 82 }; 83 84 MockKeyboard(); 85 ~MockKeyboard(); 86 87 // Retrieves Unicode characters composed from the the specified keyboard 88 // layout, key code, and modifiers, i.e. characters returned when we type 89 // specified keys on a specified layout. 90 // This function returns the length of Unicode characters filled in the 91 // |output| parameter. 92 int GetCharacters(Layout layout, 93 int key_code, 94 Modifiers modifiers, 95 std::wstring* output); 96 97 private: 98 Layout keyboard_layout_; 99 Modifiers keyboard_modifiers_; 100 101#if defined(OS_WIN) 102 MockKeyboardDriverWin driver_; 103#endif 104 105 DISALLOW_COPY_AND_ASSIGN(MockKeyboard); 106}; 107 108} // namespace content 109 110#endif // CONTENT_TEST_MOCK_KEYBOARD_H_ 111