Enable external display support on iPad by allowing the OS to control the window shape and size.

Limelight/Input/OnScreenControls.h

@@ -31,6 +31,7 @@ typedef NS_ENUM(NSInteger, OnScreenControlsLevel) {
 - (BOOL) handleTouchMovedEvent:(NSSet*)touches;
 - (void) setLevel:(OnScreenControlsLevel)level;
 - (OnScreenControlsLevel) getLevel;
+- (void) transitionStreamViewSize;
 - (void) show;
 
 @end

Limelight/Input/OnScreenControls.m

@@ -178,6 +178,22 @@ - (OnScreenControlsLevel) getLevel {
     return _level;
 }
 
+- (void)transitionStreamViewSize {
+    _controlArea = CGRectMake(0, 0, _view.frame.size.width, _view.frame.size.height);
+    if (_iPad)
+    {
+        // Cut down the control area on an iPad so the controls are more reachable
+        _controlArea.size.height = _view.frame.size.height / 2.0;
+        _controlArea.origin.y = _view.frame.size.height - _controlArea.size.height;
+    }
+    else
+    {
+        _controlArea.origin.x = _controlArea.size.width * EDGE_WIDTH;
+        _controlArea.size.width -= _controlArea.origin.x * 2;
+    }
+    [self updateControls];
+}
+
 - (void) updateControls {
     switch (_level) {
         case OnScreenControlsLevelOff:

Limelight/Input/StreamView.h

@@ -28,6 +28,7 @@
      interactionDelegate:(id<UserInteractionDelegate>)interactionDelegate
                   config:(StreamConfiguration*)streamConfig;
 - (void) showOnScreenControls;
+- (void) refreshOnScreenControls;
 - (OnScreenControlsLevel) getCurrentOscState;
 
 #if !TARGET_OS_TV

Limelight/Input/StreamView.m

@@ -167,6 +167,12 @@ - (void) showOnScreenControls {
 #endif
 }
 
+- (void) refreshOnScreenControls {
+#if !TARGET_OS_TV
+    [onScreenControls transitionStreamViewSize];
+#endif
+}
+
 - (OnScreenControlsLevel) getCurrentOscState {
     if (onScreenControls == nil) {
         return OnScreenControlsLevelOff;

Limelight/Limelight-Info.plist

@@ -68,8 +68,6 @@
 	<array>
 		<string>armv7</string>
 	</array>
-	<key>UIRequiresFullScreen</key>
-	<true/>
 	<key>UIStatusBarHidden</key>
 	<true/>
 	<key>UISupportedInterfaceOrientations</key>
@@ -81,6 +79,8 @@
 	<array>
 		<string>UIInterfaceOrientationLandscapeLeft</string>
 		<string>UIInterfaceOrientationLandscapeRight</string>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
 	</array>
 	<key>UIViewControllerBasedStatusBarAppearance</key>
 	<false/>

Limelight/Stream/StreamManager.h

@@ -15,6 +15,8 @@
 
 - (void) stopStream;
 
+- (void) transitionStreamViewSize;
+
 - (NSString*) getStatsOverlayText;
 
 @end

Limelight/Stream/StreamManager.m

@@ -23,6 +23,7 @@ @implementation StreamManager {
     StreamConfiguration* _config;
 
     UIView* _renderView;
+    VideoDecoderRenderer* _renderer;
     id<ConnectionCallbacks> _callbacks;
     Connection* _connection;
 }
@@ -99,8 +100,8 @@ - (void)main {
 
     // Initializing the renderer must be done on the main thread
     dispatch_async(dispatch_get_main_queue(), ^{
-        VideoDecoderRenderer* renderer = [[VideoDecoderRenderer alloc] initWithView:self->_renderView callbacks:self->_callbacks streamAspectRatio:(float)self->_config.width / (float)self->_config.height useFramePacing:self->_config.useFramePacing];
-        self->_connection = [[Connection alloc] initWithConfig:self->_config renderer:renderer connectionCallbacks:self->_callbacks];
+        self->_renderer = [[VideoDecoderRenderer alloc] initWithView:self->_renderView callbacks:self->_callbacks streamAspectRatio:(float)self->_config.width / (float)self->_config.height useFramePacing:self->_config.useFramePacing];
+        self->_connection = [[Connection alloc] initWithConfig:self->_config renderer:self->_renderer connectionCallbacks:self->_callbacks];
         NSOperationQueue* opQueue = [[NSOperationQueue alloc] init];
         [opQueue addOperation:self->_connection];
     });
@@ -111,6 +112,12 @@ - (void) stopStream
     [_connection terminate];
 }
 
+- (void) transitionStreamViewSize {
+    dispatch_async(dispatch_get_main_queue(), ^{
+        [self->_renderer reinitializeDisplayLayer];
+    });
+}
+
 - (BOOL) launchApp:(HttpManager*)hMan receiveSessionUrl:(NSString**)sessionUrl {
     HttpResponse* launchResp = [[HttpResponse alloc] init];
     [hMan executeRequestSynchronously:[HttpRequest requestForResponse:launchResp withUrlRequest:[hMan newLaunchOrResumeRequest:@"launch" config:_config]]];

Limelight/Stream/VideoDecoderRenderer.h

@@ -20,6 +20,7 @@
 - (void)start;
 - (void)stop;
 - (void)setHdrMode:(BOOL)enabled;
+- (void)reinitializeDisplayLayer;
 
 - (int)submitDecodeBuffer:(unsigned char *)data length:(int)length bufferType:(int)bufferType decodeUnit:(PDECODE_UNIT)du;
 

Limelight/ViewControllers/MainFrameViewController.m

@@ -919,6 +919,13 @@ - (void)viewSafeAreaInsetsDidChange {
     [self adjustScrollViewForSafeArea:self->hostScrollView];
 }
 
+- (void) viewWillTransitionToSize:(CGSize)size withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator {
+    [super viewWillTransitionToSize:size withTransitionCoordinator:coordinator];
+    NSLog(@"transitioning from %f to %f", hostScrollView.frame.size.height, size.height / 2);
+    hostScrollView.frame = CGRectMake(0, self.navigationController.navigationBar.frame.origin.y + self.navigationController.navigationBar.frame.size.height, size.width, size.height / 2);
+    [self updateHosts];
+}
+
 - (void)viewDidLoad
 {
     [super viewDidLoad];

Limelight/ViewControllers/StreamFrameViewController.m

@@ -647,6 +647,13 @@ - (void)mousePresenceChanged {
 #endif
 }
 
+- (void)viewWillTransitionToSize:(CGSize)size withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator {
+    [super viewWillTransitionToSize:size withTransitionCoordinator:coordinator];
+    _streamView.frame = CGRectMake(_streamView.frame.origin.x, _streamView.frame.origin.y, size.width, size.height);
+    [_streamView refreshOnScreenControls];
+    [_streamMan transitionStreamViewSize];
+}
+
 - (void) streamExitRequested {
     Log(LOG_I, @"Gamepad combo requested stream exit");