Remove old Chromoting iOS client

remoting/ios/key_input.mm

-// Copyright 2014 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.
-
-#if !defined(__has_feature) || !__has_feature(objc_arc)
-#error "This file requires ARC support."
-#endif
-
-#import "remoting/ios/key_input.h"
-#import "remoting/ios/key_map_us.h"
-
-@interface KeyInput (Private)
-- (void)transmitAppropriateKeyCode:(NSString*)text;
-- (void)transmitKeyCode:(NSInteger)keyCode needShift:(bool)needShift;
-@end
-
-@implementation KeyInput
-
-@synthesize delegate = _delegate;
-
-// Override UIKeyInput::UITextInputTraits property
-- (UIKeyboardType)keyboardType {
-  return UIKeyboardTypeAlphabet;
-}
-
-// Override UIView::UIResponder, when this interface is the first responder
-// on-screen keyboard input will create events for Chromoting keyboard input
-- (BOOL)canBecomeFirstResponder {
-  return YES;
-}
-
-// Override UIView::UIResponder
-// Keyboard was dismissed
-- (BOOL)resignFirstResponder {
-  BOOL wasFirstResponder = self.isFirstResponder;
-  BOOL didResignFirstReponder =
-      [super resignFirstResponder];  // I'm not sure that this returns YES when
-                                     // first responder was resigned, but for
-                                     // now I don't actually need to know what
-                                     // the return from super means.
-  if (wasFirstResponder) {
-    [_delegate keyboardDismissed];
-  }
-
-  return didResignFirstReponder;
-}
-
-// @protocol UIKeyInput, Send backspace
-- (void)deleteBackward {
-  [self transmitKeyCode:kKeyCodeUS[kBackspaceIndex] needShift:false];
-}
-
-// @protocol UIKeyInput, Assume this is a text input
-- (BOOL)hasText {
-  return YES;
-}
-
-// @protocol UIKeyInput, Translate inserted text to key presses, one char at a
-// time
-- (void)insertText:(NSString*)text {
-  [self transmitAppropriateKeyCode:text];
-}
-
-- (void)ctrlAltDel {
-  if (_delegate) {
-    [_delegate keyboardActionKeyCode:kKeyCodeUS[kCtrlIndex] isKeyDown:YES];
-    [_delegate keyboardActionKeyCode:kKeyCodeUS[kAltIndex] isKeyDown:YES];
-    [_delegate keyboardActionKeyCode:kKeyCodeUS[kDelIndex] isKeyDown:YES];
-    [_delegate keyboardActionKeyCode:kKeyCodeUS[kDelIndex] isKeyDown:NO];
-    [_delegate keyboardActionKeyCode:kKeyCodeUS[kAltIndex] isKeyDown:NO];
-    [_delegate keyboardActionKeyCode:kKeyCodeUS[kCtrlIndex] isKeyDown:NO];
-  }
-}
-
-// When inserting multiple characters, process them one at a time.  |text| is as
-// it was output on the device.  The shift key is not naturally presented in the
-// input stream, and must be inserted by inspecting each char and considering
-// that if the key was input on a traditional keyboard that the character would
-// have required a shift.  Assume caps lock does not exist.
-- (void)transmitAppropriateKeyCode:(NSString*)text {
-  for (int i = 0; i < [text length]; ++i) {
-    NSInteger charToSend = [text characterAtIndex:i];
-
-    if (charToSend <= kKeyboardKeyMaxUS) {
-      [self transmitKeyCode:kKeyCodeUS[charToSend]
-                  needShift:kIsShiftRequiredUS[charToSend]];
-    }
-  }
-}
-
-// |charToSend| is as it was output on the device.  Some call this a
-// 'key press'.  For Chromoting this must be transferred as a key down (press
-// down with a finger), followed by a key up (finger is removed from the
-// keyboard)
-//
-// The delivery may be an upper case or special character.  Chromoting is just
-// interested in the button that was pushed, so to create an upper case
-// character, first send a shift press, then the button, then release shift
-- (void)transmitKeyCode:(NSInteger)keyCode needShift:(bool)needShift {
-  if (keyCode > 0 && _delegate) {
-    if (needShift) {
-      [_delegate keyboardActionKeyCode:kKeyCodeUS[kShiftIndex] isKeyDown:YES];
-    }
-    [_delegate keyboardActionKeyCode:keyCode isKeyDown:YES];
-    [_delegate keyboardActionKeyCode:keyCode isKeyDown:NO];
-    if (needShift) {
-      [_delegate keyboardActionKeyCode:kKeyCodeUS[kShiftIndex] isKeyDown:NO];
-    }
-  }
-}
-@end