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TUIKit/TUICallKit/TUICallKit-Swift/View/Component/Function/VideoCallerAndCalleeAcceptedView.swift

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+//
+//  VideoCallerAndCalleeAcceptedView.swift
+//  TUICallKit
+//
+//  Created by vincepzhang on 2023/2/14.
+//
+
+import Foundation
+import SnapKit
+
+class VideoCallerAndCalleeAcceptedView: UIView {
+    
+    let isCameraOpenObserver = Observer()
+    let isMicMuteObserver = Observer()
+    let audioDeviceObserver = Observer()
+
+    lazy var muteMicBtn: BaseControlButton = {
+        let titleKey = TUICallState.instance.isMicMute.value ? "TUICallKit.muted" : "TUICallKit.unmuted"
+        let btn = BaseControlButton.create(frame: CGRect.zero,
+                                           title: TUICallKitLocalize(key: titleKey) ?? "",
+                                           imageSize: kBtnSmallSize) { [weak self] sender in
+            guard let self = self else { return }
+            self.muteMicEvent(sender: sender)
+        }
+        let imageName = TUICallState.instance.isMicMute.value ? "icon_mute_on" : "icon_mute"
+        if let image = TUICallKitCommon.getBundleImage(name: imageName) {
+            btn.updateImage(image: image)
+        }
+        btn.updateTitleColor(titleColor: UIColor.t_colorWithHexString(color: "#D5E0F2"))
+        return btn
+    }()
+    
+    lazy var closeCameraBtn: BaseControlButton = {
+        let titleKey = TUICallState.instance.isCameraOpen.value ? "TUICallKit.cameraOn" : "TUICallKit.cameraOff"
+        let btn = BaseControlButton.create(frame: CGRect.zero,
+                                           title: TUICallKitLocalize(key: titleKey) ?? "",
+                                           imageSize: kBtnSmallSize) { [weak self] sender in
+            guard let self = self else { return }
+            self.closeCameraTouchEvent(sender: sender)
+        }
+        let imageName = TUICallState.instance.isCameraOpen.value ? "icon_camera_on" : "icon_camera_off"
+        if let image = TUICallKitCommon.getBundleImage(name: imageName) {
+            btn.updateImage(image: image)
+        }
+        btn.updateTitleColor(titleColor: UIColor.t_colorWithHexString(color: "#D5E0F2"))
+        return btn
+    }()
+    
+    lazy var changeSpeakerBtn: BaseControlButton = {
+        let titleKey = (TUICallState.instance.audioDevice.value == .speakerphone) ? "TUICallKit.speakerPhone" : "TUICallKit.earpiece"
+        let btn = BaseControlButton.create(frame: CGRect.zero,
+                                           title: TUICallKitLocalize(key: titleKey) ?? "",
+                                           imageSize: kBtnSmallSize) { [weak self] sender in
+            guard let self = self else { return }
+            self.changeSpeakerEvent(sender: sender)
+        }
+        let imageName = (TUICallState.instance.audioDevice.value == .speakerphone) ? "icon_handsfree_on" : "icon_handsfree"
+        if let image = TUICallKitCommon.getBundleImage(name: imageName) {
+            btn.updateImage(image: image)
+        }
+        btn.updateTitleColor(titleColor: UIColor.t_colorWithHexString(color: "#D5E0F2"))
+        return btn
+    }()
+    
+    lazy var hangupBtn: UIButton = {
+        let btn = UIButton(type: .system)
+        btn.addTarget(self,action:#selector(hangupTouchEvent(sender:)), for: .touchUpInside)
+        btn.setBackgroundImage(TUICallKitCommon.getBundleImage(name: "icon_hangup"), for: .normal)
+        return btn
+    }()
+    
+    lazy var switchCameraBtn: UIButton = {
+        let btn = UIButton(type: .system)
+        if let image = TUICallKitCommon.getBundleImage(name: "switch_camera") {
+            btn.setBackgroundImage(image, for: .normal)
+        }
+        btn.addTarget(self, action: #selector(switchCameraTouchEvent(sender: )), for: .touchUpInside)
+        return btn
+    }()
+    
+    lazy var virtualBackgroundButton: UIButton = {
+        let btn = UIButton(type: .system)
+        if let image = TUICallKitCommon.getBundleImage(name: "virtual_background") {
+            btn.setBackgroundImage(image, for: .normal)
+        }
+        btn.addTarget(self, action: #selector(virtualBackgroundTouchEvent(sender: )), for: .touchUpInside)
+        return btn
+    }()
+    
+    override init(frame: CGRect) {
+        super.init(frame: frame)
+        registerObserveState()
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    // MARK: UI Specification Processing
+    private var isViewReady: Bool = false
+    override func didMoveToWindow() {
+        super.didMoveToWindow()
+        if isViewReady { return }
+        constructViewHierarchy()
+        activateConstraints()
+        isViewReady = true
+    }
+    
+    func constructViewHierarchy() {
+        addSubview(muteMicBtn)
+        addSubview(changeSpeakerBtn)
+        addSubview(closeCameraBtn)
+        addSubview(hangupBtn)
+        addSubview(switchCameraBtn)
+        if TUICallState.instance.showVirtualBackgroundButton {
+            addSubview(virtualBackgroundButton)
+        }
+    }
+    
+    func activateConstraints() {
+        muteMicBtn.snp.makeConstraints { make in
+            make.centerX.equalTo(self).offset(TUICoreDefineConvert.getIsRTL() ? 110.scaleWidth() : -110.scaleWidth())
+            make.centerY.equalTo(changeSpeakerBtn)
+            make.size.equalTo(kControlBtnSize)
+        }
+        changeSpeakerBtn.snp.makeConstraints { make in
+            make.centerX.equalTo(self)
+            make.bottom.equalTo(hangupBtn.snp.top).offset(-20.scaleHeight())
+            make.size.equalTo(kControlBtnSize)
+        }
+        closeCameraBtn.snp.makeConstraints { make in
+            make.centerX.equalTo(self).offset(TUICoreDefineConvert.getIsRTL() ? -110.scaleWidth() : 110.scaleWidth())
+            make.centerY.equalTo(self.changeSpeakerBtn)
+            make.size.equalTo(kControlBtnSize)
+        }
+        hangupBtn.snp.makeConstraints { make in
+            make.centerX.equalTo(self)
+            make.bottom.equalTo(snp.bottom)
+            make.width.height.equalTo(60.scaleWidth())
+        }
+        switchCameraBtn.snp.makeConstraints { make in
+            make.centerY.equalTo(hangupBtn)
+            make.leading.equalTo(hangupBtn.snp.trailing).offset(40.scaleWidth())
+            make.size.equalTo(CGSize(width: 28.scaleWidth(), height: 28.scaleWidth()))
+        }
+        if TUICallState.instance.showVirtualBackgroundButton {
+            virtualBackgroundButton.snp.makeConstraints { make in
+                make.centerY.equalTo(hangupBtn)
+                make.trailing.equalTo(hangupBtn.snp.leading).offset(-40.scaleWidth())
+                make.size.equalTo(CGSize(width: 28.scaleWidth(), height: 28.scaleWidth()))
+            }
+        }
+    }
+    
+    // MARK: Action Event
+    func muteMicEvent(sender: UIButton) {
+        CallEngineManager.instance.muteMic()
+        updateMuteAudioBtn(mute: TUICallState.instance.isMicMute.value == true)
+    }
+    
+    func closeCameraTouchEvent(sender: UIButton) {
+        updateCloseCameraBtn(open: TUICallState.instance.isCameraOpen.value != true)
+        if TUICallState.instance.isCameraOpen.value == true {
+            CallEngineManager.instance.closeCamera()
+            virtualBackgroundButton.isHidden = true
+            switchCameraBtn.isHidden = true
+        } else {
+            guard let videoViewEntity = VideoFactory.instance.viewMap[TUICallState.instance.selfUser.value.id.value] else { return }
+            CallEngineManager.instance.openCamera(videoView: videoViewEntity.videoView)
+            virtualBackgroundButton.isHidden = false
+            switchCameraBtn.isHidden = false
+        }
+    }
+    
+    func changeSpeakerEvent(sender: UIButton) {
+        CallEngineManager.instance.changeSpeaker()
+        updateChangeSpeakerBtn(isSpeaker: TUICallState.instance.audioDevice.value == .speakerphone)
+    }
+    
+    @objc func hangupTouchEvent(sender: UIButton) {
+        CallEngineManager.instance.hangup()
+    }
+    
+    @objc func switchCameraTouchEvent(sender: UIButton) {
+        CallEngineManager.instance.switchCamera()
+    }
+    
+    @objc func virtualBackgroundTouchEvent(sender: UIButton) {
+        CallEngineManager.instance.setBlurBackground()
+    }
+    
+    // MARK: Update UI
+    func updateMuteAudioBtn(mute: Bool) {
+        muteMicBtn.updateTitle(title: TUICallKitLocalize(key: mute ? "TUICallKit.muted" : "TUICallKit.unmuted") ?? "")
+        
+        if let image = TUICallKitCommon.getBundleImage(name: mute ? "icon_mute_on" : "icon_mute") {
+            muteMicBtn.updateImage(image: image)
+        }
+    }
+    
+    func updateChangeSpeakerBtn(isSpeaker: Bool) {
+        changeSpeakerBtn.updateTitle(title: TUICallKitLocalize(key: isSpeaker ? "TUICallKit.speakerPhone" : "TUICallKit.earpiece") ?? "")
+        
+        if let image = TUICallKitCommon.getBundleImage(name: isSpeaker ? "icon_handsfree_on" : "icon_handsfree") {
+            changeSpeakerBtn.updateImage(image: image)
+        }
+    }
+    
+    func updateCloseCameraBtn(open: Bool) {
+        closeCameraBtn.updateTitle(title: TUICallKitLocalize(key: open ? "TUICallKit.cameraOn" : "TUICallKit.cameraOff") ?? "")
+        
+        if let image = TUICallKitCommon.getBundleImage(name: open ? "icon_camera_on" : "icon_camera_off") {
+            closeCameraBtn.updateImage(image: image)
+        }
+    }
+    
+    func registerObserveState() {
+        TUICallState.instance.isCameraOpen.addObserver(isCameraOpenObserver) { [weak self] newValue, _ in
+            guard let self = self else { return }
+            self.updateCloseCameraBtn(open: TUICallState.instance.isCameraOpen.value)
+        }
+        
+        TUICallState.instance.isMicMute.addObserver(isMicMuteObserver, closure: { [weak self] newValue, _ in
+            guard let self = self else { return }
+            self.updateMuteAudioBtn(mute: newValue)
+        })
+        
+        TUICallState.instance.audioDevice.addObserver(audioDeviceObserver, closure: { [weak self] newValue, _ in
+            guard let self = self else { return }
+            self.updateChangeSpeakerBtn(isSpeaker: newValue == .speakerphone)
+        })
+    }
+}