合成时底部UI置灰；返回时给提示

Introduce/Record/INVideoExportController.swift

@@ -84,7 +84,7 @@ class INVideoExportController: BFBaseViewController {
         return btn
     }()
 
-    lazy var exportBtn: UIButton = {
+    lazy var saveToPhotoBtn: UIButton = {
         let btn = UIButton()
         btn.setTitle(" 保存到相册", for: .normal)
         btn.setTitleColor(.white, for: .normal)
@@ -98,7 +98,7 @@ class INVideoExportController: BFBaseViewController {
     lazy var bottomView: UIView = {
         let vv = UIView()
         vv.backgroundColor = .black
-        vv.isHidden = true
+//        vv.isHidden = true
         return vv
     }()
 
@@ -142,8 +142,13 @@ class INVideoExportController: BFBaseViewController {
                 }
                 UIApplication.shared.isIdleTimerDisabled = false
 
-                self?.isExporting = false
-                sself.bottomView.isHidden = false
+                sself.isExporting = false
+//                sself.bottomView.isHidden = false
+                sself.saveAllBtn.isEnabled = true
+                sself.saveOnlyBtn.isEnabled = true
+                sself.saveToPhotoBtn.isEnabled = true
+                sself.completeBtn.isEnabled = true
+
                 sself.progreddL.isHidden = false
                 sself.progressView.isHidden = true
                 sself.progressL.isHidden = true
@@ -184,7 +189,16 @@ class INVideoExportController: BFBaseViewController {
     }
 
     override func backBtnClick() {
-        if !(hasExportAll || hasExportOnly) {}
+        if isExporting {
+            whetherCancelExport {
+                self.export.cancelExport()
+                super.backBtnClick()
+            }
+            return
+        }
+        if !(hasExportAll || hasExportOnly) {
+            
+        }
         export.cancelExport()
         super.backBtnClick()
     }
@@ -221,7 +235,7 @@ class INVideoExportController: BFBaseViewController {
 
         bottomView.addSubview(saveAllBtn)
         bottomView.addSubview(saveOnlyBtn)
-        bottomView.addSubview(exportBtn)
+        bottomView.addSubview(saveToPhotoBtn)
         bottomView.addSubview(completeBtn)
 
         backV.snp.makeConstraints { make in
@@ -257,21 +271,21 @@ class INVideoExportController: BFBaseViewController {
         }
 
         completeBtn.snp.makeConstraints { make in
-            make.left.right.equalTo(exportBtn)
+            make.left.equalTo(16)
+            make.right.equalTo(-16)
             make.bottom.equalTo(-1 * cSafeAreaHeight - 3)
             make.height.equalTo(20)
         }
 
-        exportBtn.snp.makeConstraints { make in
-            make.left.equalTo(saveAllBtn)
-            make.right.equalTo(saveOnlyBtn)
+        saveToPhotoBtn.snp.makeConstraints { make in
+            make.left.right.equalTo(completeBtn)
             make.height.equalTo(50)
             make.bottom.equalTo(completeBtn.snp.top).offset(-10)
         }
 
         saveAllBtn.snp.makeConstraints { make in
-            make.left.equalTo(16)
-            make.bottom.equalTo(exportBtn.snp.top).offset(-21)
+            make.left.equalTo(completeBtn)
+            make.bottom.equalTo(saveToPhotoBtn.snp.top).offset(-21)
             make.height.equalTo(70)
             make.top.equalTo(28)
         }
@@ -279,7 +293,7 @@ class INVideoExportController: BFBaseViewController {
         saveOnlyBtn.snp.makeConstraints { make in
             make.left.equalTo(saveAllBtn.snp.right).offset(16)
             make.top.height.width.equalTo(saveAllBtn)
-            make.right.equalTo(-16)
+            make.right.equalTo(completeBtn)
         }
 
         DispatchQueue.main.asyncAfter(deadline: .now() + 0) { [weak self] in
@@ -295,7 +309,12 @@ class INVideoExportController: BFBaseViewController {
             return
         }
         isExporting = true
-        bottomView.isHidden = true
+//        bottomView.isHidden = true
+        saveAllBtn.isEnabled = false
+        saveOnlyBtn.isEnabled = false
+        saveToPhotoBtn.isEnabled = false
+        completeBtn.isEnabled = false
+
         progressView.isHidden = false
         progressL.isHidden = false
         progreddL.isHidden = true
@@ -373,32 +392,34 @@ class INVideoExportController: BFBaseViewController {
             alertV.cancelBtn.setTitle("确认保存", for: .normal)
             alertV.remindData = remindData
             alertV.remindBlock = { [weak self] item, _ in
-                guard let ssefl = self else {
+                guard let sself = self else {
                     return
                 }
                 if item.tag == 1 { // 确定返回到上一层
-                    if ssefl.hasExportOnly{
+                    if sself.hasExportOnly{
                         PHPhotoLibrary.shared().performChanges {
-                            PHAssetChangeRequest.creationRequestForAssetFromVideo(atFileURL: ssefl.saveOnlyUlr)
+                            PHAssetChangeRequest.creationRequestForAssetFromVideo(atFileURL: sself.saveOnlyUlr)
                         } completionHandler: { isFinished, _ in
                             
                         }
                     }
-                    if ssefl.hasExportAll{
+                    if sself.hasExportAll{
                         PHPhotoLibrary.shared().performChanges {
-                            PHAssetChangeRequest.creationRequestForAssetFromVideo(atFileURL: ssefl.saveAllUlr)
+                            PHAssetChangeRequest.creationRequestForAssetFromVideo(atFileURL: sself.saveAllUlr)
                         } completionHandler: { isFinished, _ in
                             
                         }
                     }
                 }
-                self?.navigationController?.popToRootViewController(animated: true)
-
+                
+                sself.export.cancelExport()
+                sself.navigationController?.popToRootViewController(animated: true)
             }
             UIApplication.shared.keyWindow?.addSubview(alertV)
-            return
+        }else{
+            export.cancelExport()
+            navigationController?.popToRootViewController(animated: true)
         }
-        navigationController?.popToRootViewController(animated: true)
     }
 
     @objc func play() {
@@ -414,4 +435,25 @@ class INVideoExportController: BFBaseViewController {
             }
         }
     }
+    
+    func whetherCancelExport(comfirm:(()->Void)?){
+        let remindData = BFBaseModel()
+        remindData.summary = "正在合成中，是否取消？"
+        let alertV = BFRemindView(frame: view.bounds)
+        alertV.isBanned = true
+        alertV.confirmBtn.setTitle("继续合成", for: .normal)
+        alertV.cancelBtn.setTitle("取消合成", for: .normal)
+        alertV.remindData = remindData
+        alertV.remindBlock = { [weak self] item, _ in
+            guard let sself = self else {
+                return
+            }
+            if item.tag == 1 { // 确定返回到上一层
+                sself.export.cancelExport()
+                comfirm?()
+            }
+
+        }
+        UIApplication.shared.keyWindow?.addSubview(alertV)
+    }
 }