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Code Issues Pull Requests Releases Wiki Activity

Use cross fade transitions for displaying gallery and asset picker if 

Reduce Motion/Prefer Cross Fade is enabled

Closes #108
This commit is contained in:
Shadowfacts 2020-09-12 13:25:23 -04:00
parent 0b6ef6517b
commit 5e9cc430c6
Signed by untrusted user: shadowfacts
GPG Key ID: 94A5AB95422746E5
5 changed files with 74 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
Tusker.xcodeproj/project.pbxproj
View File

@ -252,6 +252,7 @@
D6D3F4C424FDB6B700EC4A6A /* View+ConditionalModifier.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D3F4C324FDB6B700EC4A6A /* View+ConditionalModifier.swift */; };
D6D3FDE024F41B8400FF50A5 /* ComposeContainerView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D3FDDF24F41B8400FF50A5 /* ComposeContainerView.swift */; };
D6D3FDE224F46A8D00FF50A5 /* ComposeUIState.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D3FDE124F46A8D00FF50A5 /* ComposeUIState.swift */; };
D6D4CC91250D2C3100FCCF8D /* UIAccessibility.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D4CC90250D2C3100FCCF8D /* UIAccessibility.swift */; };
D6D4DDD0212518A000E1C4BB /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D4DDCF212518A000E1C4BB /* AppDelegate.swift */; };
D6D4DDD7212518A200E1C4BB /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = D6D4DDD6212518A200E1C4BB /* Assets.xcassets */; };
D6D4DDDA212518A200E1C4BB /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = D6D4DDD8212518A200E1C4BB /* LaunchScreen.storyboard */; };
@ -573,6 +574,7 @@
D6D3F4C324FDB6B700EC4A6A /* View+ConditionalModifier.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "View+ConditionalModifier.swift"; sourceTree = "<group>"; };
D6D3FDDF24F41B8400FF50A5 /* ComposeContainerView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ComposeContainerView.swift; sourceTree = "<group>"; };
D6D3FDE124F46A8D00FF50A5 /* ComposeUIState.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ComposeUIState.swift; sourceTree = "<group>"; };
D6D4CC90250D2C3100FCCF8D /* UIAccessibility.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UIAccessibility.swift; sourceTree = "<group>"; };
D6D4DDCC212518A000E1C4BB /* Tusker.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Tusker.app; sourceTree = BUILT_PRODUCTS_DIR; };
D6D4DDCF212518A000E1C4BB /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
D6D4DDD6212518A200E1C4BB /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
@ -1104,6 +1106,7 @@
D67895BB24671E6D00D4CD9E /* PKDrawing+Render.swift */,
D690797224A4EF9700023A34 /* UIBezierPath+Helpers.swift */,
D6D3F4C324FDB6B700EC4A6A /* View+ConditionalModifier.swift */,
D6D4CC90250D2C3100FCCF8D /* UIAccessibility.swift */,
);
path = Extensions;
sourceTree = "<group>";
@ -1851,6 +1854,7 @@
D6B053AE23BD322B00A066FA /* AssetPickerSheetContainerViewController.swift in Sources */,
D6C693EF216192C2007D6A6D /* TuskerNavigationDelegate.swift in Sources */,
D6C94D872139E62700CB5196 /* LargeImageViewController.swift in Sources */,
D6D4CC91250D2C3100FCCF8D /* UIAccessibility.swift in Sources */,
D627943E23A564D400D38C68 /* ExploreViewController.swift in Sources */,
D6B053AB23BD2F1400A066FA /* AssetCollectionViewCell.swift in Sources */,
D622757A24EE21D900B82A16 /* ComposeAttachmentRow.swift in Sources */,

2
Tusker.xcworkspace/xcshareddata/swiftpm/Package.resolved
View File

@ -15,7 +15,7 @@
"repositoryURL": "https://git.shadowfacts.net/shadowfacts/SheetController.git",
"state": {
"branch": "master",
"revision": "7ac34efeabb5b5eb08fcf3d1235dbc9ca0441662",
"revision": "ab77ad89b449b8c415441a6ac97e0922d6900dcc",
"version": null
}
},

21
Tusker/Extensions/UIAccessibility.swift Normal file
View File

@ -0,0 +1,21 @@
//
// UIAccessibility.swift
// Tusker
//
// Created by Shadowfacts on 9/12/20.
// Copyright © 2020 Shadowfacts. All rights reserved.
//
import UIKit
extension UIAccessibility {
static var prefersCrossFadeTransitionsBackwardsCompat: Bool {
if #available(iOS 14.0, *) {
return prefersCrossFadeTransitions
} else {
return isReduceMotionEnabled
}
}
}

27
Tusker/Screens/Large Image/Transitions/LargeImageExpandAnimationController.swift
View File

@ -38,7 +38,11 @@ extension LargeImageAnimatableViewController {
class LargeImageExpandAnimationController: NSObject, UIViewControllerAnimatedTransitioning {
func transitionDuration(using transitionContext: UIViewControllerContextTransitioning?) -> TimeInterval {
return 0.4
if UIAccessibility.prefersCrossFadeTransitionsBackwardsCompat {
return 0.2
} else {
return 0.4
}
}
func animateTransition(using transitionContext: UIViewControllerContextTransitioning) {
@ -47,6 +51,11 @@ class LargeImageExpandAnimationController: NSObject, UIViewControllerAnimatedTra
return
}
if UIAccessibility.prefersCrossFadeTransitionsBackwardsCompat {
animateCrossFadeTransition(using: transitionContext)
return
}
let containerView = transitionContext.containerView
containerView.addSubview(toVC.view)
@ -112,4 +121,20 @@ class LargeImageExpandAnimationController: NSObject, UIViewControllerAnimatedTra
}
}
func animateCrossFadeTransition(using transitionContext: UIViewControllerContextTransitioning) {
guard let toVC = transitionContext.viewController(forKey: .to) as? LargeImageAnimatableViewController else {
return
}
transitionContext.containerView.addSubview(toVC.view)
toVC.view.alpha = 0
let duration = transitionDuration(using: transitionContext)
UIView.animate(withDuration: duration) {
toVC.view.alpha = 1
} completion: { (_) in
transitionContext.completeTransition(!transitionContext.transitionWasCancelled)
}
}
}

22
Tusker/Screens/Large Image/Transitions/LargeImageShrinkAnimationController.swift
View File

@ -27,6 +27,11 @@ class LargeImageShrinkAnimationController: NSObject, UIViewControllerAnimatedTra
return
}
if UIAccessibility.prefersCrossFadeTransitionsBackwardsCompat && !transitionContext.isInteractive {
animateCrossFadeTransition(using: transitionContext)
return
}
guard let sourceView = fromVC.animationSourceView,
let sourceFrame = fromVC.sourceViewFrame(in: toVC.view),
let image = fromVC.animationImage else {
@ -86,4 +91,21 @@ class LargeImageShrinkAnimationController: NSObject, UIViewControllerAnimatedTra
})
}
func animateCrossFadeTransition(using transitionContext: UIViewControllerContextTransitioning) {
guard let fromVC = transitionContext.viewController(forKey: .from) as? LargeImageAnimatableViewController,
let toVC = transitionContext.viewController(forKey: .to) else {
return
}
transitionContext.containerView.addSubview(toVC.view)
transitionContext.containerView.addSubview(fromVC.view)
let duration = transitionDuration(using: transitionContext)
UIView.animate(withDuration: duration) {
fromVC.view.alpha = 0
} completion: { (_) in
transitionContext.completeTransition(!transitionContext.transitionWasCancelled)
}
}
}