| /* |
| * Copyright 2015 The WebRTC Project Authors. All rights reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #import "ARDMainView.h" |
| |
| #import "UIImage+ARDUtilities.h" |
| |
| // TODO(tkchin): retrieve status bar height dynamically. |
| static CGFloat const kStatusBarHeight = 20; |
| |
| static CGFloat const kRoomTextButtonSize = 40; |
| static CGFloat const kRoomTextFieldHeight = 40; |
| static CGFloat const kRoomTextFieldMargin = 8; |
| static CGFloat const kAppLabelHeight = 20; |
| |
| @class ARDRoomTextField; |
| @protocol ARDRoomTextFieldDelegate <NSObject> |
| - (void)roomTextField:(ARDRoomTextField *)roomTextField |
| didInputRoom:(NSString *)room; |
| @end |
| |
| // Helper view that contains a text field and a clear button. |
| @interface ARDRoomTextField : UIView <UITextFieldDelegate> |
| @property(nonatomic, weak) id<ARDRoomTextFieldDelegate> delegate; |
| @end |
| |
| @implementation ARDRoomTextField { |
| UITextField *_roomText; |
| UIButton *_clearButton; |
| } |
| |
| @synthesize delegate = _delegate; |
| |
| - (instancetype)initWithFrame:(CGRect)frame { |
| if (self = [super initWithFrame:frame]) { |
| _roomText = [[UITextField alloc] initWithFrame:CGRectZero]; |
| _roomText.borderStyle = UITextBorderStyleNone; |
| _roomText.font = [UIFont fontWithName:@"Roboto" size:12]; |
| _roomText.placeholder = @"Room name"; |
| _roomText.delegate = self; |
| [_roomText addTarget:self |
| action:@selector(textFieldDidChange:) |
| forControlEvents:UIControlEventEditingChanged]; |
| [self addSubview:_roomText]; |
| |
| _clearButton = [UIButton buttonWithType:UIButtonTypeCustom]; |
| UIImage *image = [UIImage imageForName:@"ic_clear_black_24dp.png" |
| color:[UIColor colorWithWhite:0 alpha:.4]]; |
| |
| [_clearButton setImage:image forState:UIControlStateNormal]; |
| [_clearButton addTarget:self |
| action:@selector(onClear:) |
| forControlEvents:UIControlEventTouchUpInside]; |
| _clearButton.hidden = YES; |
| [self addSubview:_clearButton]; |
| |
| // Give rounded corners and a light gray border. |
| self.layer.borderWidth = 1; |
| self.layer.borderColor = [[UIColor lightGrayColor] CGColor]; |
| self.layer.cornerRadius = 2; |
| } |
| return self; |
| } |
| |
| - (void)layoutSubviews { |
| CGRect bounds = self.bounds; |
| _clearButton.frame = CGRectMake(CGRectGetMaxX(bounds) - kRoomTextButtonSize, |
| CGRectGetMinY(bounds), |
| kRoomTextButtonSize, |
| kRoomTextButtonSize); |
| _roomText.frame = CGRectMake( |
| CGRectGetMinX(bounds) + kRoomTextFieldMargin, |
| CGRectGetMinY(bounds), |
| CGRectGetMinX(_clearButton.frame) - CGRectGetMinX(bounds) - |
| kRoomTextFieldMargin, |
| kRoomTextFieldHeight); |
| } |
| |
| - (CGSize)sizeThatFits:(CGSize)size { |
| size.height = kRoomTextFieldHeight; |
| return size; |
| } |
| |
| #pragma mark - UITextFieldDelegate |
| |
| - (void)textFieldDidEndEditing:(UITextField *)textField { |
| [_delegate roomTextField:self didInputRoom:textField.text]; |
| } |
| |
| - (BOOL)textFieldShouldReturn:(UITextField *)textField { |
| // There is no other control that can take focus, so manually resign focus |
| // when return (Join) is pressed to trigger |textFieldDidEndEditing|. |
| [textField resignFirstResponder]; |
| return YES; |
| } |
| |
| #pragma mark - Private |
| |
| - (void)textFieldDidChange:(id)sender { |
| [self updateClearButton]; |
| } |
| |
| - (void)onClear:(id)sender { |
| _roomText.text = @""; |
| [self updateClearButton]; |
| [_roomText resignFirstResponder]; |
| } |
| |
| - (void)updateClearButton { |
| _clearButton.hidden = _roomText.text.length == 0; |
| } |
| |
| @end |
| |
| @interface ARDMainView () <ARDRoomTextFieldDelegate> |
| @end |
| |
| @implementation ARDMainView { |
| UILabel *_appLabel; |
| ARDRoomTextField *_roomText; |
| } |
| |
| @synthesize delegate = _delegate; |
| |
| - (instancetype)initWithFrame:(CGRect)frame { |
| if (self = [super initWithFrame:frame]) { |
| _appLabel = [[UILabel alloc] initWithFrame:CGRectZero]; |
| _appLabel.text = @"AppRTCDemo"; |
| _appLabel.font = [UIFont fontWithName:@"Roboto" size:34]; |
| _appLabel.textColor = [UIColor colorWithWhite:0 alpha:.2]; |
| [_appLabel sizeToFit]; |
| [self addSubview:_appLabel]; |
| |
| _roomText = [[ARDRoomTextField alloc] initWithFrame:CGRectZero]; |
| _roomText.delegate = self; |
| [self addSubview:_roomText]; |
| |
| self.backgroundColor = [UIColor whiteColor]; |
| } |
| return self; |
| } |
| |
| - (void)layoutSubviews { |
| CGRect bounds = self.bounds; |
| CGFloat roomTextWidth = bounds.size.width - 2 * kRoomTextFieldMargin; |
| CGFloat roomTextHeight = [_roomText sizeThatFits:bounds.size].height; |
| _roomText.frame = CGRectMake(kRoomTextFieldMargin, |
| kStatusBarHeight + kRoomTextFieldMargin, |
| roomTextWidth, |
| roomTextHeight); |
| _appLabel.center = CGPointMake(CGRectGetMidX(bounds), CGRectGetMidY(bounds)); |
| } |
| |
| #pragma mark - ARDRoomTextFieldDelegate |
| |
| - (void)roomTextField:(ARDRoomTextField *)roomTextField |
| didInputRoom:(NSString *)room { |
| [_delegate mainView:self didInputRoom:room]; |
| } |
| |
| @end |