[WIP] Conference

submodules/TelegramUI/Components/Calls/CallScreen/Sources/PrivateCallScreen.swift

@@ -199,6 +199,9 @@ public final class PrivateCallScreen: OverlayMaskContainerView, AVPictureInPictu
     
     private var isUpdating: Bool = false
     
+    private var isAnimatedOutToGroupCall: Bool = false
+    private var animateOutToGroupCallCompletion: (() -> Void)?
+    
     private var canAnimateAudioLevel: Bool = false
     private var displayEmojiTooltip: Bool = false
     private var isEmojiKeyExpanded: Bool = false
@@ -233,8 +236,6 @@ public final class PrivateCallScreen: OverlayMaskContainerView, AVPictureInPictu
     private var pipVideoCallViewController: UIViewController?
     private var pipController: AVPictureInPictureController?
     
-    private var snowEffectView: SnowEffectView?
-    
     public override init(frame: CGRect) {
         self.overlayContentsView = UIView()
         self.overlayContentsView.isUserInteractionEnabled = false
@@ -489,6 +490,32 @@ public final class PrivateCallScreen: OverlayMaskContainerView, AVPictureInPictu
         }
     }
     
+    public func animateOutToGroupChat(completion: @escaping () -> Void) {
+        self.isAnimatedOutToGroupCall = true
+        self.animateOutToGroupCallCompletion = completion
+        self.update(transition: .easeInOut(duration: 0.25))
+    }
+    
+    public func takeIncomingVideoLayer() -> (CALayer, VideoSource.Output?)? {
+        var remoteVideoContainerKey: VideoContainerView.Key?
+        if self.swapLocalAndRemoteVideo {
+            if let _ = self.activeRemoteVideoSource {
+                remoteVideoContainerKey = .foreground
+            }
+        } else {
+            if let _ = self.activeRemoteVideoSource {
+                remoteVideoContainerKey = .background
+            }
+        }
+        
+        if let remoteVideoContainerKey, let videoContainerView = self.videoContainerViews.first(where: { $0.key == remoteVideoContainerKey }) {
+            videoContainerView.videoContainerLayerTaken = true
+            return (videoContainerView.videoContainerLayer, videoContainerView.currentVideoOutput)
+        }
+        
+        return nil
+    }
+    
     public func update(size: CGSize, insets: UIEdgeInsets, interfaceOrientation: UIInterfaceOrientation, screenCornerRadius: CGFloat, state: State, transition: ComponentTransition) {
         let params = Params(size: size, insets: insets, interfaceOrientation: interfaceOrientation, screenCornerRadius: screenCornerRadius, state: state)
         if self.params == params {
@@ -717,6 +744,16 @@ public final class PrivateCallScreen: OverlayMaskContainerView, AVPictureInPictu
         }
         self.backgroundLayer.update(stateIndex: backgroundStateIndex, isEnergySavingEnabled: params.state.isEnergySavingEnabled, transition: transition)
         
+        genericAlphaTransition.setAlpha(layer: self.backgroundLayer, alpha: self.isAnimatedOutToGroupCall ? 0.0 : 1.0, completion: { [weak self] _ in
+            guard let self else {
+                return
+            }
+            if let animateOutToGroupCallCompletion = self.animateOutToGroupCallCompletion {
+                self.animateOutToGroupCallCompletion = nil
+                animateOutToGroupCallCompletion()
+            }
+        })
+        
         transition.setFrame(view: self.buttonGroupView, frame: CGRect(origin: CGPoint(), size: params.size))
         
         var isVideoButtonEnabled = false
@@ -793,7 +830,7 @@ public final class PrivateCallScreen: OverlayMaskContainerView, AVPictureInPictu
         }*/
         let displayClose = false
         
-        let contentBottomInset = self.buttonGroupView.update(size: params.size, insets: params.insets, minWidth: wideContentWidth, controlsHidden: currentAreControlsHidden, displayClose: displayClose, strings: params.state.strings, buttons: buttons, notices: notices, transition: transition)
+        let contentBottomInset = self.buttonGroupView.update(size: params.size, insets: params.insets, minWidth: wideContentWidth, controlsHidden: currentAreControlsHidden, displayClose: displayClose, strings: params.state.strings, buttons: buttons, notices: notices, isAnimatedOutToGroupCall: self.isAnimatedOutToGroupCall, transition: transition)
         
         var expandedEmojiKeyRect: CGRect?
         if self.isEmojiKeyExpanded {
@@ -836,7 +873,7 @@ public final class PrivateCallScreen: OverlayMaskContainerView, AVPictureInPictu
             emojiExpandedInfoTransition.setPosition(view: emojiExpandedInfoView, position: CGPoint(x: emojiExpandedInfoFrame.minX + emojiExpandedInfoView.layer.anchorPoint.x * emojiExpandedInfoFrame.width, y: emojiExpandedInfoFrame.minY + emojiExpandedInfoView.layer.anchorPoint.y * emojiExpandedInfoFrame.height))
             emojiExpandedInfoTransition.setBounds(view: emojiExpandedInfoView, bounds: CGRect(origin: CGPoint(), size: emojiExpandedInfoFrame.size))
             
-            alphaTransition.setAlpha(view: emojiExpandedInfoView, alpha: 1.0)
+            alphaTransition.setAlpha(view: emojiExpandedInfoView, alpha: self.isAnimatedOutToGroupCall ? 0.0 : 1.0)
             transition.setScale(view: emojiExpandedInfoView, scale: 1.0)
             
             expandedEmojiKeyRect = emojiExpandedInfoFrame
@@ -868,7 +905,7 @@ public final class PrivateCallScreen: OverlayMaskContainerView, AVPictureInPictu
         }
         let backButtonFrame = CGRect(origin: CGPoint(x: params.insets.left + 10.0, y: backButtonY), size: backButtonSize)
         transition.setFrame(view: self.backButtonView, frame: backButtonFrame)
-        transition.setAlpha(view: self.backButtonView, alpha: currentAreControlsHidden ? 0.0 : 1.0)
+        genericAlphaTransition.setAlpha(view: self.backButtonView, alpha: (currentAreControlsHidden || self.isAnimatedOutToGroupCall) ? 0.0 : 1.0)
         
         if case let .active(activeState) = params.state.lifecycleState {
             let emojiView: KeyEmojiView
@@ -886,9 +923,13 @@ public final class PrivateCallScreen: OverlayMaskContainerView, AVPictureInPictu
                         return
                     }
                     if !self.isEmojiKeyExpanded {
+                        #if DEBUG
+                        self.conferenceAddParticipant?()
+                        #else
                         self.isEmojiKeyExpanded = true
                         self.displayEmojiTooltip = false
                         self.update(transition: .spring(duration: 0.4))
+                        #endif
                     }
                 }
             }
@@ -915,6 +956,9 @@ public final class PrivateCallScreen: OverlayMaskContainerView, AVPictureInPictu
                     emojiTransition.setPosition(view: emojiView, position: emojiViewFrame.center)
                 }
                 emojiTransition.setBounds(view: emojiView, bounds: CGRect(origin: CGPoint(), size: emojiViewFrame.size))
+                if self.isAnimatedOutToGroupCall {
+                    emojiAlphaTransition.setAlpha(view: emojiView, alpha: (currentAreControlsHidden || self.isAnimatedOutToGroupCall) ? 0.0 : 1.0)
+                }
                 
                 if let emojiTooltipView = self.emojiTooltipView {
                     self.emojiTooltipView = nil
@@ -940,7 +984,7 @@ public final class PrivateCallScreen: OverlayMaskContainerView, AVPictureInPictu
                     emojiTransition.setPosition(view: emojiView, position: emojiViewFrame.center)
                 }
                 emojiTransition.setBounds(view: emojiView, bounds: CGRect(origin: CGPoint(), size: emojiViewFrame.size))
-                emojiAlphaTransition.setAlpha(view: emojiView, alpha: currentAreControlsHidden ? 0.0 : 1.0)
+                emojiAlphaTransition.setAlpha(view: emojiView, alpha: (currentAreControlsHidden || self.isAnimatedOutToGroupCall) ? 0.0 : 1.0)
                 
                 if self.displayEmojiTooltip {
                     let emojiTooltipView: EmojiTooltipView
@@ -1261,6 +1305,9 @@ public final class PrivateCallScreen: OverlayMaskContainerView, AVPictureInPictu
             }
         }
         
+        genericAlphaTransition.setAlpha(layer: self.avatarTransformLayer, alpha: self.isAnimatedOutToGroupCall ? 0.0 : 1.0)
+        genericAlphaTransition.setAlpha(layer: self.blobTransformLayer, alpha: self.isAnimatedOutToGroupCall ? 0.0 : 1.0)
+        
         let titleSize = self.titleView.update(
             string: titleString,
             fontSize: !havePrimaryVideo ? 28.0 : 17.0,
@@ -1335,7 +1382,7 @@ public final class PrivateCallScreen: OverlayMaskContainerView, AVPictureInPictu
             size: titleSize
         )
         transition.setFrame(view: self.titleView, frame: titleFrame)
-        genericAlphaTransition.setAlpha(view: self.titleView, alpha: currentAreControlsHidden ? 0.0 : 1.0)
+        genericAlphaTransition.setAlpha(view: self.titleView, alpha: (currentAreControlsHidden || self.isAnimatedOutToGroupCall) ? 0.0 : 1.0)
         
         let statusFrame = CGRect(
             origin: CGPoint(
@@ -1354,7 +1401,7 @@ public final class PrivateCallScreen: OverlayMaskContainerView, AVPictureInPictu
             }
         } else {
             transition.setFrame(view: self.statusView, frame: statusFrame)
-            genericAlphaTransition.setAlpha(view: self.statusView, alpha: currentAreControlsHidden ? 0.0 : 1.0)
+            genericAlphaTransition.setAlpha(view: self.statusView, alpha: (currentAreControlsHidden || self.isAnimatedOutToGroupCall) ? 0.0 : 1.0)
         }
         
         if case let .active(activeState) = params.state.lifecycleState, activeState.signalInfo.quality <= 0.2, !self.isEmojiKeyExpanded, (!self.displayEmojiTooltip || !havePrimaryVideo) {
@@ -1380,11 +1427,11 @@ public final class PrivateCallScreen: OverlayMaskContainerView, AVPictureInPictu
                     ComponentTransition.immediate.setScale(view: weakSignalView, scale: 0.001)
                     weakSignalView.alpha = 0.0
                     transition.setScaleWithSpring(view: weakSignalView, scale: 1.0)
-                    transition.setAlpha(view: weakSignalView, alpha: 1.0)
                 }
             } else {
                 transition.setFrame(view: weakSignalView, frame: weakSignalFrame)
             }
+            transition.setAlpha(view: weakSignalView, alpha: self.isAnimatedOutToGroupCall ? 0.0 : 1.0)
         } else {
             if let weakSignalView = self.weakSignalView {
                 self.weakSignalView = nil
@@ -1396,55 +1443,3 @@ public final class PrivateCallScreen: OverlayMaskContainerView, AVPictureInPictu
         }
     }
 }
-
-final class SnowEffectView: UIView {
-    private let particlesLayer: CAEmitterLayer
-    
-    override init(frame: CGRect) {
-        let particlesLayer = CAEmitterLayer()
-        self.particlesLayer = particlesLayer
-        self.particlesLayer.backgroundColor = nil
-        self.particlesLayer.isOpaque = false
-
-        particlesLayer.emitterShape = .circle
-        particlesLayer.emitterMode = .surface
-        particlesLayer.renderMode = .oldestLast
-
-        let image1 = UIImage(named: "Call/Snow")?.cgImage
-
-        let cell1 = CAEmitterCell()
-        cell1.contents = image1
-        cell1.name = "Snow"
-        cell1.birthRate = 92.0
-        cell1.lifetime = 20.0
-        cell1.velocity = 59.0
-        cell1.velocityRange = -15.0
-        cell1.xAcceleration = 5.0
-        cell1.yAcceleration = 40.0
-        cell1.emissionRange = 90.0 * (.pi / 180.0)
-        cell1.spin = -28.6 * (.pi / 180.0)
-        cell1.spinRange = 57.2 * (.pi / 180.0)
-        cell1.scale = 0.06
-        cell1.scaleRange = 0.3
-        cell1.color = UIColor(red: 255.0/255.0, green: 255.0/255.0, blue: 255.0/255.0, alpha: 1.0).cgColor
-
-        particlesLayer.emitterCells = [cell1]
-        
-        super.init(frame: frame)
-        
-        self.layer.addSublayer(particlesLayer)
-        self.clipsToBounds = true
-        self.backgroundColor = nil
-        self.isOpaque = false
-    }
-    
-    required init?(coder: NSCoder) {
-        fatalError("init(coder:) has not been implemented")
-    }
-    
-    func update(size: CGSize) {
-        self.particlesLayer.frame = CGRect(x: 0.0, y: 0.0, width: size.width, height: size.height)
-        self.particlesLayer.emitterSize = CGSize(width: size.width * 3.0, height: size.height * 2.0)
-        self.particlesLayer.emitterPosition = CGPoint(x: size.width * 0.5, y: -325.0)
-    }
-}