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client_keyboard.mm
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client_keyboard.mm
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// Copyright 2017 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/client_keyboard.h"
#include "remoting/client/input/keycode_map.h"
// TODO(nicholss): Look into inputAccessoryView to get the top bar for sending
// special keys.
// TODO(nicholss): Look into inputView - The custom input view to display when
// the receiver becomes the first responder
@interface ClientKeyboard () {
UIView* _inputView;
}
@end
@implementation ClientKeyboard
@synthesize autocapitalizationType = _autocapitalizationType;
@synthesize autocorrectionType = _autocorrectionType;
@synthesize keyboardAppearance = _keyboardAppearance;
@synthesize keyboardType = _keyboardType;
@synthesize spellCheckingType = _spellCheckingType;
@synthesize selectedTextRange = _selectedTextRange;
@synthesize delegate = _delegate;
// TODO(nicholss): For physical keyboard, look at UIKeyCommand
// https://developer.apple.com/reference/uikit/uikeycommand?language=objc
- (instancetype)init {
self = [super init];
if (self) {
_autocapitalizationType = UITextAutocapitalizationTypeNone;
_autocorrectionType = UITextAutocorrectionTypeNo;
_keyboardAppearance = UIKeyboardAppearanceDefault;
_keyboardType = UIKeyboardTypeASCIICapable;
_spellCheckingType = UITextSpellCheckingTypeNo;
self.showsSoftKeyboard = NO;
}
return self;
}
#pragma mark - UIKeyInput
- (void)insertText:(NSString*)text {
if (text.length == 1) {
// TODO(yuweih): KeyboardLayout should be configurable.
remoting::KeypressInfo keypress =
remoting::KeypressFromUnicode([text characterAtIndex:0]);
if (keypress.dom_code != ui::DomCode::NONE) {
[_delegate clientKeyboardShouldSendKey:keypress];
return;
}
}
// Fallback to text injection.
[_delegate clientKeyboardShouldSend:text];
}
- (void)deleteBackward {
[_delegate clientKeyboardShouldDelete];
}
- (BOOL)hasText {
return NO;
}
#pragma mark - UIResponder
- (BOOL)canBecomeFirstResponder {
return YES;
}
- (BOOL)resignFirstResponder {
if (self.showsSoftKeyboard) {
// This translates the action of resigning first responder when the keyboard
// is showing into hiding the soft keyboard while keeping the view first
// responder. This is to allow the hide keyboard button on the soft keyboard
// to work properly with ClientKeyboard's soft keyboard logic, which calls
// resignFirstResponder.
// This may cause weird behavior if the superview has multiple responders
// (text views).
self.showsSoftKeyboard = NO;
return NO;
}
return [super resignFirstResponder];
}
- (UIView*)inputAccessoryView {
return nil;
}
- (UIView*)inputView {
return _inputView;
}
#pragma mark - UITextInputTraits
#pragma mark - Properties
- (void)setShowsSoftKeyboard:(BOOL)showsSoftKeyboard {
if (self.showsSoftKeyboard == showsSoftKeyboard) {
return;
}
// Returning nil for inputView will fallback to the system soft keyboard.
// Returning an empty view will effectively hide it.
_inputView =
showsSoftKeyboard ? nil : [[UIView alloc] initWithFrame:CGRectZero];
[self reloadInputViews];
}
- (BOOL)showsSoftKeyboard {
return _inputView == nil;
}
@end