updated MotionViewPropertyViewContext

de05a397 · Daniel Dahan · 55e5e287 · de05a397 · 55e5e287 · de05a397
Commit de05a397 authored Dec 12, 2017 by Daniel Dahan
7 changed files
--- a/Motion.xcodeproj/project.pbxproj
+++ b/Motion.xcodeproj/project.pbxproj
@@ -18,7 +18,6 @@
 		96E409651F24F7370015A2B5 /* MotionAnimator.swift in Sources */ = {isa = PBXBuildFile; fileRef = 96E4093D1F24F7370015A2B5 /* MotionAnimator.swift */; };
 		96E409661F24F7370015A2B5 /* MotionAnimatorViewContext.swift in Sources */ = {isa = PBXBuildFile; fileRef = 96E4093E1F24F7370015A2B5 /* MotionAnimatorViewContext.swift */; };
 		96E409671F24F7370015A2B5 /* MotionCoreAnimationViewContext.swift in Sources */ = {isa = PBXBuildFile; fileRef = 96E4093F1F24F7370015A2B5 /* MotionCoreAnimationViewContext.swift */; };
-		96E409681F24F7370015A2B5 /* MotionHasInsertOrder.swift in Sources */ = {isa = PBXBuildFile; fileRef = 96E409401F24F7370015A2B5 /* MotionHasInsertOrder.swift */; };
 		96E409691F24F7370015A2B5 /* MotionTransitionAnimator.swift in Sources */ = {isa = PBXBuildFile; fileRef = 96E409411F24F7370015A2B5 /* MotionTransitionAnimator.swift */; };
 		96E4096A1F24F7370015A2B5 /* MotionViewPropertyViewContext.swift in Sources */ = {isa = PBXBuildFile; fileRef = 96E409421F24F7370015A2B5 /* MotionViewPropertyViewContext.swift */; };
 		96E4096B1F24F7370015A2B5 /* Motion+Array.swift in Sources */ = {isa = PBXBuildFile; fileRef = 96E409441F24F7370015A2B5 /* Motion+Array.swift */; };
@@ -52,7 +51,6 @@
 		96E409891F24F7570015A2B5 /* MotionAnimator.swift in Headers */ = {isa = PBXBuildFile; fileRef = 96E4093D1F24F7370015A2B5 /* MotionAnimator.swift */; settings = {ATTRIBUTES = (Public, ); }; };
 		96E4098A1F24F7570015A2B5 /* MotionAnimatorViewContext.swift in Headers */ = {isa = PBXBuildFile; fileRef = 96E4093E1F24F7370015A2B5 /* MotionAnimatorViewContext.swift */; settings = {ATTRIBUTES = (Public, ); }; };
 		96E4098B1F24F7570015A2B5 /* MotionCoreAnimationViewContext.swift in Headers */ = {isa = PBXBuildFile; fileRef = 96E4093F1F24F7370015A2B5 /* MotionCoreAnimationViewContext.swift */; settings = {ATTRIBUTES = (Public, ); }; };
-		96E4098C1F24F7570015A2B5 /* MotionHasInsertOrder.swift in Headers */ = {isa = PBXBuildFile; fileRef = 96E409401F24F7370015A2B5 /* MotionHasInsertOrder.swift */; settings = {ATTRIBUTES = (Public, ); }; };
 		96E4098D1F24F7570015A2B5 /* MotionTransitionAnimator.swift in Headers */ = {isa = PBXBuildFile; fileRef = 96E409411F24F7370015A2B5 /* MotionTransitionAnimator.swift */; settings = {ATTRIBUTES = (Public, ); }; };
 		96E4098E1F24F7570015A2B5 /* MotionViewPropertyViewContext.swift in Headers */ = {isa = PBXBuildFile; fileRef = 96E409421F24F7370015A2B5 /* MotionViewPropertyViewContext.swift */; settings = {ATTRIBUTES = (Public, ); }; };
 		96E4098F1F24F7570015A2B5 /* Motion+Array.swift in Headers */ = {isa = PBXBuildFile; fileRef = 96E409441F24F7370015A2B5 /* Motion+Array.swift */; settings = {ATTRIBUTES = (Public, ); }; };
@@ -97,7 +95,6 @@
 		96E4093D1F24F7370015A2B5 /* MotionAnimator.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = MotionAnimator.swift; sourceTree = "<group>"; };
 		96E4093E1F24F7370015A2B5 /* MotionAnimatorViewContext.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = MotionAnimatorViewContext.swift; sourceTree = "<group>"; };
 		96E4093F1F24F7370015A2B5 /* MotionCoreAnimationViewContext.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = MotionCoreAnimationViewContext.swift; sourceTree = "<group>"; };
-		96E409401F24F7370015A2B5 /* MotionHasInsertOrder.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = MotionHasInsertOrder.swift; sourceTree = "<group>"; };
 		96E409411F24F7370015A2B5 /* MotionTransitionAnimator.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = MotionTransitionAnimator.swift; sourceTree = "<group>"; };
 		96E409421F24F7370015A2B5 /* MotionViewPropertyViewContext.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = MotionViewPropertyViewContext.swift; sourceTree = "<group>"; };
 		96E409441F24F7370015A2B5 /* Motion+Array.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "Motion+Array.swift"; sourceTree = "<group>"; };
@@ -186,7 +183,6 @@
 				965FE96C1FDDA6400098BDD0 /* MotionCoreAnimator.swift */,
 				96E4093E1F24F7370015A2B5 /* MotionAnimatorViewContext.swift */,
 				96E4093F1F24F7370015A2B5 /* MotionCoreAnimationViewContext.swift */,
-				96E409401F24F7370015A2B5 /* MotionHasInsertOrder.swift */,
 				96E409411F24F7370015A2B5 /* MotionTransitionAnimator.swift */,
 				96E409421F24F7370015A2B5 /* MotionViewPropertyViewContext.swift */,
 			);
@@ -234,7 +230,6 @@
 				96E409891F24F7570015A2B5 /* MotionAnimator.swift in Headers */,
 				96E4098A1F24F7570015A2B5 /* MotionAnimatorViewContext.swift in Headers */,
 				96E4098B1F24F7570015A2B5 /* MotionCoreAnimationViewContext.swift in Headers */,
-				96E4098C1F24F7570015A2B5 /* MotionHasInsertOrder.swift in Headers */,
 				96E4098D1F24F7570015A2B5 /* MotionTransitionAnimator.swift in Headers */,
 				96E4098E1F24F7570015A2B5 /* MotionViewPropertyViewContext.swift in Headers */,
 				96E4098F1F24F7570015A2B5 /* Motion+Array.swift in Headers */,
@@ -331,7 +326,6 @@
 				965FE96B1FDDA4EA0098BDD0 /* BaseMotionPreprocessor.swift in Sources */,
 				965FE9631FDCCE030098BDD0 /* Motion+Complete.swift in Sources */,
 				96E4097D1F24F7370015A2B5 /* MotionPlugin.swift in Sources */,
-				96E409681F24F7370015A2B5 /* MotionHasInsertOrder.swift in Sources */,
 				965FE96D1FDDA6400098BDD0 /* MotionCoreAnimator.swift in Sources */,
 				96E4096E1F24F7370015A2B5 /* Motion+CG.swift in Sources */,
 				96E409851F24F7370015A2B5 /* MatchPreprocessor.swift in Sources */,

--- a/Sources/Animator/MotionHasInsertOrder.swift
+++ b/Sources/Animator/MotionHasInsertOrder.swift
-/*
- * The MIT License (MIT)
- *
- * Copyright (C) 2017, Daniel Dahan and CosmicMind, Inc. <http://cosmicmind.com>.
- * All rights reserved.
- *
- * Original Inspiration & Author
- * Copyright (c) 2016 Luke Zhao <me@lkzhao.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-internal protocol MotionHasInsertOrder: class {
-    /// A boolean indicating whether to insert the toView first or not.
-    var insertToViewFirst: Bool { get set }
-}
--- a/Sources/Animator/MotionTransitionAnimator.swift
+++ b/Sources/Animator/MotionTransitionAnimator.swift
@@ -28,12 +28,10 @@
 import UIKit
-internal class MotionTransitionAnimator<T: MotionAnimatorViewContext>: MotionCoreAnimator, MotionHasInsertOrder {
+internal class MotionTransitionAnimator<T: MotionAnimatorViewContext>: MotionCoreAnimator {
    /// An index of views to their corresponding animator context.
    var viewToContexts = [UIView: T]()
-    var insertToViewFirst = false
    /// Cleans the contexts.
    override func clean() {
        for v in viewToContexts.values {
@@ -41,7 +39,6 @@ internal class MotionTransitionAnimator<T: MotionAnimatorViewContext>: MotionCor
        }
        viewToContexts.removeAll()
-        insertToViewFirst = false
    }
    /**
@@ -65,32 +62,41 @@ internal class MotionTransitionAnimator<T: MotionAnimatorViewContext>: MotionCor
     - Returns: A TimeInterval.
     */
    override func animate(fromViews: [UIView], toViews: [UIView]) -> TimeInterval {
-        var duration: TimeInterval = 0
+        var d: TimeInterval = 0
-        if insertToViewFirst {
+        for v in fromViews {
-            for v in toViews {
+            createViewContext(view: v, isAppearing: false)
-                animate(view: v, isAppearing: true)
+        }
-            }
+        for v in toViews {
-            for v in fromViews {
+            createViewContext(view: v, isAppearing: true)
-                animate(view: v, isAppearing: false)
+        }
-            }
+        for v in viewToContexts.values {
-        } else {
+            if let duration = v.targetState.duration, duration != .infinity {
-            for v in fromViews {
+                v.duration = duration
-                animate(view: v, isAppearing: false)
+                d = max(d, duration)
-            }
-            for v in toViews {
+            } else {
-                animate(view: v, isAppearing: true)
+                let duration = v.snapshot.optimizedDuration(targetState: v.targetState)
+                if nil == v.targetState.duration {
+                    v.duration = duration
+                }
+                d = max(d, duration)
            }
        }
        for v in viewToContexts.values {
-            duration = max(duration, v.duration)
+            if .infinity == v.targetState.duration {
+                v.duration = d
+            }
+            d = max(d, v.startAnimations())
        }
-        return duration
+        return d
    }
    /**
@@ -114,7 +120,7 @@ internal class MotionTransitionAnimator<T: MotionAnimatorViewContext>: MotionCor
        var duration: TimeInterval = 0
        for (_, v) in viewToContexts {
-            if v.targetState.duration == nil {
+            if nil == v.targetState.duration {
                v.duration = max(v.duration, v.snapshot.optimizedDuration(targetState: v.targetState) + elapsedTime)
            }
            duration = max(duration, v.resume(at: elapsedTime, isReversed: isReversed))
@@ -137,20 +143,15 @@ internal class MotionTransitionAnimator<T: MotionAnimatorViewContext>: MotionCor
    }
 }
-extension MotionTransitionAnimator {
+fileprivate extension MotionTransitionAnimator {
    /**
-     Animates a given view.
+     Creates a view context for a given view.
     - Parameter view: A UIView.
     - Parameter isAppearing: A boolean that determines whether the
     view is appearing.
     */
-    fileprivate func animate(view: UIView, isAppearing: Bool) {
+    func createViewContext(view: UIView, isAppearing: Bool) {
-        let s = context.snapshotView(for: view)
+        viewToContexts[view] = T(animator: self, snapshot: context.snapshotView(for: view), targetState: context[view]!, isAppearing: isAppearing)
-        let v = T(animator: self, snapshot: s, targetState: context[view]!, isAppearing: isAppearing)
-        viewToContexts[view] = v
-        v.startAnimations()
    }
 }
--- a/Sources/Animator/MotionViewPropertyViewContext.swift
+++ b/Sources/Animator/MotionViewPropertyViewContext.swift
@@ -31,14 +31,38 @@ import UIKit
 @available(iOS 10, tvOS 10, *)
 internal class MotionViewPropertyViewContext: MotionAnimatorViewContext {
    /// A reference to the UIViewPropertyAnimator.
-    fileprivate var viewPropertyAnimator: UIViewPropertyAnimator?
+    fileprivate var viewPropertyAnimator: UIViewPropertyAnimator!
+    /// Ending effect.
+    fileprivate var endEffect: UIVisualEffect?
+    /// Starting effect.
+    fileprivate var startEffect: UIVisualEffect?
    override class func canAnimate(view: UIView, state: MotionTransitionState, isAppearing: Bool) -> Bool {
        return view is UIVisualEffectView && nil != state.opacity
    }
-    override func resume(at elapsedTime: TimeInterval, isReversed: Bool) {
+    override func resume(at elapsedTime: TimeInterval, isReversed: Bool) -> TimeInterval {
-        viewPropertyAnimator?.finishAnimation(at: isReversed ? .start : .end)
+        guard let visualEffectView = snapshot as? UIVisualEffectView else {
+            return 0
+        }
+        if isReversed {
+            viewPropertyAnimator?.stopAnimation(false)
+            viewPropertyAnimator?.finishAnimation(at: .current)
+            viewPropertyAnimator = UIViewPropertyAnimator(duration: duration, curve: .linear) { [weak self] in
+                guard let `self` = self else {
+                    return
+                }
+                visualEffectView.effect = isReversed ? self.startEffect : self.endEffect
+            }
+        }
+        viewPropertyAnimator.startAnimation()
+        return duration
    }
    override func seek(to elapsedTime: TimeInterval) {
@@ -48,25 +72,34 @@ internal class MotionViewPropertyViewContext: MotionAnimatorViewContext {
    override func clean() {
        super.clean()
-        viewPropertyAnimator?.stopAnimation(true)
+        viewPropertyAnimator?.stopAnimation(false)
+        viewPropertyAnimator?.finishAnimation(at: .current)
        viewPropertyAnimator = nil
    }
-    override func startAnimations(isAppearing: Bool) {
+    override func startAnimations() -> TimeInterval {
-        guard let v = snapshot as? UIVisualEffectView else {
+        guard let visualEffectView = snapshot as? UIVisualEffectView else {
-            return
+            return 0
        }
-        let appearedEffect = v.effect
+        let appearedEffect = visualEffectView.effect
-        let disappearedEffect = 0 == targetState.opacity ? nil : v.effect
+        let disappearedEffect = targetState.opacity == 0 ? nil : visualEffectView.effect
-        v.effect = isAppearing ? disappearedEffect : appearedEffect
+        startEffect = isAppearing ? disappearedEffect : appearedEffect
-        duration = targetState.duration!
+        endEffect = isAppearing ? appearedEffect : disappearedEffect
-        viewPropertyAnimator = UIViewPropertyAnimator(duration: duration, curve: .easeInOut) {
+        visualEffectView.effect = startEffect
-            v.effect = isAppearing ? appearedEffect : disappearedEffect
+        viewPropertyAnimator = UIViewPropertyAnimator(duration: duration, curve: .linear) { [weak self] in
+            guard let `self` = self else {
+                return
+            }
+            visualEffectView.effect = self.endEffect
        }
-        viewPropertyAnimator?.startAnimation()
+        viewPropertyAnimator.startAnimation()
+        return duration
    }
 }
--- a/Sources/Extensions/Motion+UIView.swift
+++ b/Sources/Extensions/Motion+UIView.swift
@@ -264,22 +264,23 @@ internal extension UIView {
     - Parameter transform: An optional CATransform3D.
     - Returns: A TimeInterval.
     */
-    func optimizedDuration(fromPosition: CGPoint, toPosition: CGPoint?, size: CGSize?, transform: CATransform3D?) -> TimeInterval {
+    func optimizedDuration(position: CGPoint?, size: CGSize?, transform: CATransform3D?) -> TimeInterval {
-        let toPos = toPosition ?? fromPosition
+        let fromPos = (layer.presentation() ?? layer).position
+        let toPos = position ?? fromPos
        let fromSize = (layer.presentation() ?? layer).bounds.size
        let toSize = size ?? fromSize
        let fromTransform = (layer.presentation() ?? layer).transform
        let toTransform = transform ?? fromTransform
-        let realFromPos = CGPoint.zero.transform(fromTransform) + fromPosition
+        let realFromPos = CGPoint.zero.transform(fromTransform) + fromPos
        let realToPos = CGPoint.zero.transform(toTransform) + toPos
        let realFromSize = fromSize.transform(fromTransform)
        let realToSize = toSize.transform(toTransform)
-        let movePoints = realFromPos.distance(realToPos) + realFromSize.bottomRight.distance(realToSize.bottomRight)
+        let movePoints = (realFromPos.distance(realToPos) + realFromSize.bottomRight.distance(realToSize.bottomRight))
-        // Duration is 0.2 @ 0 to 0.375 @ 500
+        // duration is 0.2 @ 0 to 0.375 @ 500
        return 0.208 + Double(movePoints.clamp(0, 500)) / 3000
    }

--- a/Sources/Motion.swift
+++ b/Sources/Motion.swift
@@ -459,17 +459,6 @@ internal extension Motion {
            container?.backgroundColor = toView?.backgroundColor
        }
    }
-    /// Updates the insertToViewFirst boolean for animators.
-    func updateInsertOrder() {
-        if fromOverFullScreen {
-            context.insertToViewFirst = true
-        }
-        for v in animators {
-            (v as? MotionHasInsertOrder)?.insertToViewFirst = context.insertToViewFirst
-        }
-    }
 }
 internal extension Motion {

--- a/Sources/Preprocessors/DurationPreprocessor.swift
+++ b/Sources/Preprocessors/DurationPreprocessor.swift
@@ -50,8 +50,7 @@ class DurationPreprocessor: BaseMotionPreprocessor {
    func optimizedDuration(for view: UIView) -> TimeInterval {
        let v = context[view]!
-        return view.optimizedDuration(fromPosition: context.container.convert(view.layer.position, from: view.superview),
+        return view.optimizedDuration(position: context.container.convert(view.layer.position, from: view.superview),
-                                        toPosition: v.position,
                                              size: v.size,
                                         transform: v.transform)
    }