rhubarb-lip-sync/lib/webrtc-8d2248ff/webrtc/examples/objc/AppRTCDemo/ios/ARDMainView.m

342 lines
13 KiB
Objective-C

/*
* 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 kCallControlMargin = 8;
static CGFloat const kAppLabelHeight = 20;
// Helper view that contains a text field and a clear button.
@interface ARDRoomTextField : UIView <UITextFieldDelegate>
@property(nonatomic, readonly) NSString *roomText;
@end
@implementation ARDRoomTextField {
UITextField *_roomText;
UIButton *_clearButton;
}
- (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.autocorrectionType = UITextAutocorrectionTypeNo;
_roomText.autocapitalizationType = UITextAutocapitalizationTypeNone;
_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;
}
- (NSString *)roomText {
return _roomText.text;
}
#pragma mark - UITextFieldDelegate
- (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
@implementation ARDMainView {
UILabel *_appLabel;
ARDRoomTextField *_roomText;
UILabel *_callOptionsLabel;
UISwitch *_audioOnlySwitch;
UILabel *_audioOnlyLabel;
UISwitch *_loopbackSwitch;
UILabel *_loopbackLabel;
UISwitch *_useManualAudioSwitch;
UILabel *_useManualAudioLabel;
UIButton *_startCallButton;
UIButton *_audioLoopButton;
}
@synthesize delegate = _delegate;
@synthesize isAudioLoopPlaying = _isAudioLoopPlaying;
- (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];
[self addSubview:_roomText];
UIFont *controlFont = [UIFont fontWithName:@"Roboto" size:20];
UIColor *controlFontColor = [UIColor colorWithWhite:0 alpha:.6];
_callOptionsLabel = [[UILabel alloc] initWithFrame:CGRectZero];
_callOptionsLabel.text = @"Call Options";
_callOptionsLabel.font = controlFont;
_callOptionsLabel.textColor = controlFontColor;
[_callOptionsLabel sizeToFit];
[self addSubview:_callOptionsLabel];
_audioOnlySwitch = [[UISwitch alloc] initWithFrame:CGRectZero];
[_audioOnlySwitch sizeToFit];
[self addSubview:_audioOnlySwitch];
_audioOnlyLabel = [[UILabel alloc] initWithFrame:CGRectZero];
_audioOnlyLabel.text = @"Audio only";
_audioOnlyLabel.font = controlFont;
_audioOnlyLabel.textColor = controlFontColor;
[_audioOnlyLabel sizeToFit];
[self addSubview:_audioOnlyLabel];
_loopbackSwitch = [[UISwitch alloc] initWithFrame:CGRectZero];
[_loopbackSwitch sizeToFit];
[self addSubview:_loopbackSwitch];
_loopbackLabel = [[UILabel alloc] initWithFrame:CGRectZero];
_loopbackLabel.text = @"Loopback mode";
_loopbackLabel.font = controlFont;
_loopbackLabel.textColor = controlFontColor;
[_loopbackLabel sizeToFit];
[self addSubview:_loopbackLabel];
_useManualAudioSwitch = [[UISwitch alloc] initWithFrame:CGRectZero];
[_useManualAudioSwitch sizeToFit];
_useManualAudioSwitch.on = YES;
[self addSubview:_useManualAudioSwitch];
_useManualAudioLabel = [[UILabel alloc] initWithFrame:CGRectZero];
_useManualAudioLabel.text = @"Use manual audio config";
_useManualAudioLabel.font = controlFont;
_useManualAudioLabel.textColor = controlFontColor;
[_useManualAudioLabel sizeToFit];
[self addSubview:_useManualAudioLabel];
_startCallButton = [UIButton buttonWithType:UIButtonTypeSystem];
_startCallButton.backgroundColor = [UIColor blueColor];
_startCallButton.layer.cornerRadius = 10;
_startCallButton.clipsToBounds = YES;
_startCallButton.contentEdgeInsets = UIEdgeInsetsMake(5, 10, 5, 10);
[_startCallButton setTitle:@"Start call"
forState:UIControlStateNormal];
_startCallButton.titleLabel.font = controlFont;
[_startCallButton setTitleColor:[UIColor whiteColor]
forState:UIControlStateNormal];
[_startCallButton setTitleColor:[UIColor lightGrayColor]
forState:UIControlStateSelected];
[_startCallButton sizeToFit];
[_startCallButton addTarget:self
action:@selector(onStartCall:)
forControlEvents:UIControlEventTouchUpInside];
[self addSubview:_startCallButton];
// Used to test what happens to sounds when calls are in progress.
_audioLoopButton = [UIButton buttonWithType:UIButtonTypeSystem];
_audioLoopButton.layer.cornerRadius = 10;
_audioLoopButton.clipsToBounds = YES;
_audioLoopButton.contentEdgeInsets = UIEdgeInsetsMake(5, 10, 5, 10);
_audioLoopButton.titleLabel.font = controlFont;
[_audioLoopButton setTitleColor:[UIColor whiteColor]
forState:UIControlStateNormal];
[_audioLoopButton setTitleColor:[UIColor lightGrayColor]
forState:UIControlStateSelected];
[self updateAudioLoopButton];
[_audioLoopButton addTarget:self
action:@selector(onToggleAudioLoop:)
forControlEvents:UIControlEventTouchUpInside];
[self addSubview:_audioLoopButton];
self.backgroundColor = [UIColor whiteColor];
}
return self;
}
- (void)setIsAudioLoopPlaying:(BOOL)isAudioLoopPlaying {
if (_isAudioLoopPlaying == isAudioLoopPlaying) {
return;
}
_isAudioLoopPlaying = isAudioLoopPlaying;
[self updateAudioLoopButton];
}
- (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));
CGFloat callOptionsLabelTop =
CGRectGetMaxY(_roomText.frame) + kCallControlMargin * 4;
_callOptionsLabel.frame = CGRectMake(kCallControlMargin,
callOptionsLabelTop,
_callOptionsLabel.frame.size.width,
_callOptionsLabel.frame.size.height);
CGFloat audioOnlyTop =
CGRectGetMaxY(_callOptionsLabel.frame) + kCallControlMargin * 2;
CGRect audioOnlyRect = CGRectMake(kCallControlMargin * 3,
audioOnlyTop,
_audioOnlySwitch.frame.size.width,
_audioOnlySwitch.frame.size.height);
_audioOnlySwitch.frame = audioOnlyRect;
CGFloat audioOnlyLabelCenterX = CGRectGetMaxX(audioOnlyRect) +
kCallControlMargin + _audioOnlyLabel.frame.size.width / 2;
_audioOnlyLabel.center = CGPointMake(audioOnlyLabelCenterX,
CGRectGetMidY(audioOnlyRect));
CGFloat loopbackModeTop =
CGRectGetMaxY(_audioOnlySwitch.frame) + kCallControlMargin;
CGRect loopbackModeRect = CGRectMake(kCallControlMargin * 3,
loopbackModeTop,
_loopbackSwitch.frame.size.width,
_loopbackSwitch.frame.size.height);
_loopbackSwitch.frame = loopbackModeRect;
CGFloat loopbackModeLabelCenterX = CGRectGetMaxX(loopbackModeRect) +
kCallControlMargin + _loopbackLabel.frame.size.width / 2;
_loopbackLabel.center = CGPointMake(loopbackModeLabelCenterX,
CGRectGetMidY(loopbackModeRect));
CGFloat useManualAudioTop =
CGRectGetMaxY(_loopbackSwitch.frame) + kCallControlMargin;
CGRect useManualAudioRect =
CGRectMake(kCallControlMargin * 3,
useManualAudioTop,
_useManualAudioSwitch.frame.size.width,
_useManualAudioSwitch.frame.size.height);
_useManualAudioSwitch.frame = useManualAudioRect;
CGFloat useManualAudioLabelCenterX = CGRectGetMaxX(useManualAudioRect) +
kCallControlMargin + _useManualAudioLabel.frame.size.width / 2;
_useManualAudioLabel.center =
CGPointMake(useManualAudioLabelCenterX,
CGRectGetMidY(useManualAudioRect));
CGFloat audioLoopTop =
CGRectGetMaxY(useManualAudioRect) + kCallControlMargin * 3;
_audioLoopButton.frame = CGRectMake(kCallControlMargin,
audioLoopTop,
_audioLoopButton.frame.size.width,
_audioLoopButton.frame.size.height);
CGFloat startCallTop =
CGRectGetMaxY(_audioLoopButton.frame) + kCallControlMargin * 3;
_startCallButton.frame = CGRectMake(kCallControlMargin,
startCallTop,
_startCallButton.frame.size.width,
_startCallButton.frame.size.height);
}
#pragma mark - Private
- (void)updateAudioLoopButton {
if (_isAudioLoopPlaying) {
_audioLoopButton.backgroundColor = [UIColor redColor];
[_audioLoopButton setTitle:@"Stop sound"
forState:UIControlStateNormal];
[_audioLoopButton sizeToFit];
} else {
_audioLoopButton.backgroundColor = [UIColor greenColor];
[_audioLoopButton setTitle:@"Play sound"
forState:UIControlStateNormal];
[_audioLoopButton sizeToFit];
}
}
- (void)onToggleAudioLoop:(id)sender {
[_delegate mainViewDidToggleAudioLoop:self];
}
- (void)onStartCall:(id)sender {
NSString *room = _roomText.roomText;
// If this is a loopback call, allow a generated room name.
if (!room.length && _loopbackSwitch.isOn) {
room = [[NSUUID UUID] UUIDString];
}
room = [room stringByReplacingOccurrencesOfString:@"-" withString:@""];
[_delegate mainView:self
didInputRoom:room
isLoopback:_loopbackSwitch.isOn
isAudioOnly:_audioOnlySwitch.isOn
useManualAudio:_useManualAudioSwitch.isOn];
}
@end