webrtc_m130/webrtc/examples/objc/AppRTCMobile/mac/APPRTCViewController.m
sakal 68b5df97c7 Add video codec setting to AppRTCMobile on iOS.
List items in settings menu no longer stay selected. Checkmarks are now
added to the selected options before the view appears.

BUG=webrtc:7316
TBR=denicija

Review-Url: https://codereview.webrtc.org/2735303004
Cr-Commit-Position: refs/heads/master@{#17296}
2017-03-17 16:01:59 +00:00

409 lines
13 KiB
Objective-C

/*
* Copyright 2014 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 "APPRTCViewController.h"
#import <AVFoundation/AVFoundation.h>
#import "WebRTC/RTCNSGLVideoView.h"
#import "WebRTC/RTCVideoTrack.h"
#import "ARDAppClient.h"
static NSUInteger const kContentWidth = 900;
static NSUInteger const kRoomFieldWidth = 200;
static NSUInteger const kActionItemHeight = 30;
static NSUInteger const kBottomViewHeight = 200;
@class APPRTCMainView;
@protocol APPRTCMainViewDelegate
- (void)appRTCMainView:(APPRTCMainView*)mainView
didEnterRoomId:(NSString*)roomId
loopback:(BOOL)isLoopback;
@end
@interface APPRTCMainView : NSView
@property(nonatomic, weak) id<APPRTCMainViewDelegate> delegate;
@property(nonatomic, readonly) RTCNSGLVideoView* localVideoView;
@property(nonatomic, readonly) RTCNSGLVideoView* remoteVideoView;
- (void)displayLogMessage:(NSString*)message;
@end
@interface APPRTCMainView () <NSTextFieldDelegate, RTCNSGLVideoViewDelegate>
@end
@implementation APPRTCMainView {
NSScrollView* _scrollView;
NSView* _actionItemsView;
NSButton* _connectButton;
NSButton* _loopbackButton;
NSTextField* _roomField;
NSTextView* _logView;
CGSize _localVideoSize;
CGSize _remoteVideoSize;
}
@synthesize delegate = _delegate;
@synthesize localVideoView = _localVideoView;
@synthesize remoteVideoView = _remoteVideoView;
- (void)displayLogMessage:(NSString *)message {
_logView.string =
[NSString stringWithFormat:@"%@%@\n", _logView.string, message];
NSRange range = NSMakeRange(_logView.string.length, 0);
[_logView scrollRangeToVisible:range];
}
#pragma mark - Private
- (instancetype)initWithFrame:(NSRect)frame {
if (self = [super initWithFrame:frame]) {
[self setupViews];
}
return self;
}
+ (BOOL)requiresConstraintBasedLayout {
return YES;
}
- (void)updateConstraints {
NSParameterAssert(
_roomField != nil &&
_scrollView != nil &&
_remoteVideoView != nil &&
_localVideoView != nil &&
_actionItemsView!= nil &&
_connectButton != nil &&
_loopbackButton != nil);
[self removeConstraints:[self constraints]];
NSDictionary* viewsDictionary =
NSDictionaryOfVariableBindings(_roomField,
_scrollView,
_remoteVideoView,
_localVideoView,
_actionItemsView,
_connectButton,
_loopbackButton);
NSSize remoteViewSize = [self remoteVideoViewSize];
NSDictionary* metrics = @{
@"remoteViewWidth" : @(remoteViewSize.width),
@"remoteViewHeight" : @(remoteViewSize.height),
@"kBottomViewHeight" : @(kBottomViewHeight),
@"localViewHeight" : @(remoteViewSize.height / 3),
@"localViewWidth" : @(remoteViewSize.width / 3),
@"kRoomFieldWidth" : @(kRoomFieldWidth),
@"kActionItemHeight" : @(kActionItemHeight)
};
// Declare this separately to avoid compiler warning about splitting string
// within an NSArray expression.
NSString* verticalConstraintLeft =
@"V:|-[_remoteVideoView(remoteViewHeight)]-[_scrollView(kBottomViewHeight)]-|";
NSString* verticalConstraintRight =
@"V:|-[_remoteVideoView(remoteViewHeight)]-[_actionItemsView(kBottomViewHeight)]-|";
NSArray* constraintFormats = @[
verticalConstraintLeft,
verticalConstraintRight,
@"H:|-[_remoteVideoView(remoteViewWidth)]-|",
@"V:|-[_localVideoView(localViewHeight)]",
@"H:|-[_localVideoView(localViewWidth)]",
@"H:|-[_scrollView(==_actionItemsView)]-[_actionItemsView]-|"
];
NSArray* actionItemsConstraints = @[
@"H:|-[_roomField(kRoomFieldWidth)]-[_loopbackButton(kRoomFieldWidth)]",
@"H:|-[_connectButton(kRoomFieldWidth)]",
@"V:|-[_roomField(kActionItemHeight)]-[_connectButton(kActionItemHeight)]",
@"V:|-[_loopbackButton(kActionItemHeight)]",
];
[APPRTCMainView addConstraints:constraintFormats
toView:self
viewsDictionary:viewsDictionary
metrics:metrics];
[APPRTCMainView addConstraints:actionItemsConstraints
toView:_actionItemsView
viewsDictionary:viewsDictionary
metrics:metrics];
[super updateConstraints];
}
#pragma mark - Constraints helper
+ (void)addConstraints:(NSArray*)constraints toView:(NSView*)view
viewsDictionary:(NSDictionary*)viewsDictionary
metrics:(NSDictionary*)metrics {
for (NSString* constraintFormat in constraints) {
NSArray* constraints =
[NSLayoutConstraint constraintsWithVisualFormat:constraintFormat
options:0
metrics:metrics
views:viewsDictionary];
for (NSLayoutConstraint* constraint in constraints) {
[view addConstraint:constraint];
}
}
}
#pragma mark - Control actions
- (void)startCall:(id)sender {
NSString* roomString = _roomField.stringValue;
// Generate room id for loopback options.
if (_loopbackButton.intValue && [roomString isEqualToString:@""]) {
roomString = [NSUUID UUID].UUIDString;
roomString = [roomString stringByReplacingOccurrencesOfString:@"-" withString:@""];
}
[self.delegate appRTCMainView:self
didEnterRoomId:roomString
loopback:_loopbackButton.intValue];
}
#pragma mark - RTCNSGLVideoViewDelegate
- (void)videoView:(RTCNSGLVideoView*)videoView
didChangeVideoSize:(NSSize)size {
if (videoView == _remoteVideoView) {
_remoteVideoSize = size;
} else if (videoView == _localVideoView) {
_localVideoSize = size;
} else {
return;
}
[self setNeedsUpdateConstraints:YES];
}
#pragma mark - Private
- (void)setupViews {
NSParameterAssert([[self subviews] count] == 0);
_logView = [[NSTextView alloc] initWithFrame:NSZeroRect];
[_logView setMinSize:NSMakeSize(0, kBottomViewHeight)];
[_logView setMaxSize:NSMakeSize(FLT_MAX, FLT_MAX)];
[_logView setVerticallyResizable:YES];
[_logView setAutoresizingMask:NSViewWidthSizable];
NSTextContainer* textContainer = [_logView textContainer];
NSSize containerSize = NSMakeSize(kContentWidth, FLT_MAX);
[textContainer setContainerSize:containerSize];
[textContainer setWidthTracksTextView:YES];
[_logView setEditable:NO];
[self setupActionItemsView];
_scrollView = [[NSScrollView alloc] initWithFrame:NSZeroRect];
[_scrollView setTranslatesAutoresizingMaskIntoConstraints:NO];
[_scrollView setHasVerticalScroller:YES];
[_scrollView setDocumentView:_logView];
[self addSubview:_scrollView];
NSOpenGLPixelFormatAttribute attributes[] = {
NSOpenGLPFADoubleBuffer,
NSOpenGLPFADepthSize, 24,
NSOpenGLPFAOpenGLProfile,
NSOpenGLProfileVersion3_2Core,
0
};
NSOpenGLPixelFormat* pixelFormat =
[[NSOpenGLPixelFormat alloc] initWithAttributes:attributes];
_remoteVideoView = [[RTCNSGLVideoView alloc] initWithFrame:NSZeroRect
pixelFormat:pixelFormat];
[_remoteVideoView setTranslatesAutoresizingMaskIntoConstraints:NO];
_remoteVideoView.delegate = self;
[self addSubview:_remoteVideoView];
_localVideoView = [[RTCNSGLVideoView alloc] initWithFrame:NSZeroRect
pixelFormat:pixelFormat];
[_localVideoView setTranslatesAutoresizingMaskIntoConstraints:NO];
_localVideoView.delegate = self;
[self addSubview:_localVideoView];
}
- (void)setupActionItemsView {
_actionItemsView = [[NSView alloc] initWithFrame:NSZeroRect];
[_actionItemsView setTranslatesAutoresizingMaskIntoConstraints:NO];
[self addSubview:_actionItemsView];
_roomField = [[NSTextField alloc] initWithFrame:NSZeroRect];
[_roomField setTranslatesAutoresizingMaskIntoConstraints:NO];
[[_roomField cell] setPlaceholderString: @"Enter AppRTC room id"];
[_actionItemsView addSubview:_roomField];
[_roomField setEditable:YES];
_connectButton = [[NSButton alloc] initWithFrame:NSZeroRect];
[_connectButton setTranslatesAutoresizingMaskIntoConstraints:NO];
_connectButton.title = @"Start call";
_connectButton.bezelStyle = NSRoundedBezelStyle;
_connectButton.target = self;
_connectButton.action = @selector(startCall:);
[_actionItemsView addSubview:_connectButton];
_loopbackButton = [[NSButton alloc] initWithFrame:NSZeroRect];
[_loopbackButton setTranslatesAutoresizingMaskIntoConstraints:NO];
_loopbackButton.title = @"Loopback";
[_loopbackButton setButtonType:NSSwitchButton];
[_actionItemsView addSubview:_loopbackButton];
}
- (NSSize)remoteVideoViewSize {
if (!_remoteVideoView.bounds.size.width) {
return NSMakeSize(kContentWidth, 0);
}
NSInteger width = MAX(_remoteVideoView.bounds.size.width, kContentWidth);
NSInteger height = (width/16) * 9;
return NSMakeSize(width, height);
}
@end
@interface APPRTCViewController ()
<ARDAppClientDelegate, APPRTCMainViewDelegate>
@property(nonatomic, readonly) APPRTCMainView* mainView;
@end
@implementation APPRTCViewController {
ARDAppClient* _client;
RTCVideoTrack* _localVideoTrack;
RTCVideoTrack* _remoteVideoTrack;
}
- (void)dealloc {
[self disconnect];
}
- (void)viewDidAppear {
[super viewDidAppear];
[self displayUsageInstructions];
}
- (void)loadView {
APPRTCMainView* view = [[APPRTCMainView alloc] initWithFrame:NSZeroRect];
[view setTranslatesAutoresizingMaskIntoConstraints:NO];
view.delegate = self;
self.view = view;
}
- (void)windowWillClose:(NSNotification*)notification {
[self disconnect];
}
#pragma mark - Usage
- (void)displayUsageInstructions {
[self.mainView displayLogMessage:
@"To start call:\n"
@"• Enter AppRTC room id (not neccessary for loopback)\n"
@"• Start call"];
}
#pragma mark - ARDAppClientDelegate
- (void)appClient:(ARDAppClient *)client
didChangeState:(ARDAppClientState)state {
switch (state) {
case kARDAppClientStateConnected:
[self.mainView displayLogMessage:@"Client connected."];
break;
case kARDAppClientStateConnecting:
[self.mainView displayLogMessage:@"Client connecting."];
break;
case kARDAppClientStateDisconnected:
[self.mainView displayLogMessage:@"Client disconnected."];
[self resetUI];
_client = nil;
break;
}
}
- (void)appClient:(ARDAppClient *)client
didChangeConnectionState:(RTCIceConnectionState)state {
}
- (void)appClient:(ARDAppClient *)client
didReceiveLocalVideoTrack:(RTCVideoTrack *)localVideoTrack {
_localVideoTrack = localVideoTrack;
[_localVideoTrack addRenderer:self.mainView.localVideoView];
}
- (void)appClient:(ARDAppClient *)client
didReceiveRemoteVideoTrack:(RTCVideoTrack *)remoteVideoTrack {
_remoteVideoTrack = remoteVideoTrack;
[_remoteVideoTrack addRenderer:self.mainView.remoteVideoView];
}
- (void)appClient:(ARDAppClient *)client
didError:(NSError *)error {
[self showAlertWithMessage:[NSString stringWithFormat:@"%@", error]];
[self disconnect];
}
- (void)appClient:(ARDAppClient *)client
didGetStats:(NSArray *)stats {
}
#pragma mark - APPRTCMainViewDelegate
- (void)appRTCMainView:(APPRTCMainView*)mainView
didEnterRoomId:(NSString*)roomId
loopback:(BOOL)isLoopback {
if ([roomId isEqualToString:@""]) {
[self.mainView displayLogMessage:@"Missing room id"];
return;
}
[_client disconnect];
ARDAppClient *client = [[ARDAppClient alloc] initWithDelegate:self
preferVideoCodec:@"H264"];
[client connectToRoomWithId:roomId
isLoopback:isLoopback
isAudioOnly:NO
shouldMakeAecDump:NO
shouldUseLevelControl:NO];
_client = client;
}
#pragma mark - Private
- (APPRTCMainView*)mainView {
return (APPRTCMainView*)self.view;
}
- (void)showAlertWithMessage:(NSString*)message {
NSAlert* alert = [[NSAlert alloc] init];
[alert setMessageText:message];
[alert runModal];
}
- (void)resetUI {
[_remoteVideoTrack removeRenderer:self.mainView.remoteVideoView];
[_localVideoTrack removeRenderer:self.mainView.localVideoView];
_remoteVideoTrack = nil;
_localVideoTrack = nil;
[self.mainView.remoteVideoView renderFrame:nil];
[self.mainView.localVideoView renderFrame:nil];
}
- (void)disconnect {
[self resetUI];
[_client disconnect];
}
@end