SDWebImageSwiftUI/Example/SDWebImageSwiftUIDemo/ContentView.swift

316 lines
11 KiB
Swift

/*
* This file is part of the SDWebImage package.
* (c) DreamPiggy <lizhuoli1126@126.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
import SwiftUI
import SDWebImageSwiftUI
class UserSettings: ObservableObject {
// Some environment configuration
#if os(tvOS)
@Published var editMode: EditMode = .inactive
@Published var zoomed: Bool = false
#endif
}
struct ContentView5: View {
let url: URL = URL(string: "http://assets.sbnation.com/assets/2512203/dogflops.gif")!
@State private var isAnimating = false
var body: some View {
ZStack {
WebImage(url: url, isAnimating: $isAnimating)
.pausable(false)
Button {
isAnimating.toggle()
} label: {
Text(isAnimating ? "Stop" : "Start")
}
}
}
}
#if !os(watchOS)
struct ContentView4: View {
var url = URL(string: "https://github.com/SDWebImage/SDWebImageSwiftUI/assets/97430818/72d27f90-e9d8-48d7-b144-82ada828a027")!
var body: some View {
AnimatedImage(url: url)
.resizable()
.scaledToFit()
// .aspectRatio(nil, contentMode: .fit)
.clipShape(RoundedRectangle(cornerRadius: 50, style: .continuous))
}
}
#endif
// Test Switching nil url
struct ContentView3: View {
@State var isOn = false
@State var animated: Bool = false // You can change between WebImage/AnimatedImage
var url: URL? {
if isOn {
.init(string: "https://upload.wikimedia.org/wikipedia/commons/thumb/c/c1/Google_%22G%22_logo.svg/1024px-Google_%22G%22_logo.svg.png")
} else {
nil
}
}
var body: some View {
VStack {
Text("\(animated ? "AnimatedImage" : "WebImage")")
Spacer()
#if os(watchOS)
WebImage(url: url)
.resizable()
.scaledToFit()
.frame(width: 100, height: 100)
#else
if animated {
AnimatedImage(url: url)
.resizable()
.scaledToFit()
.frame(width: 100, height: 100)
} else {
WebImage(url: url)
.resizable()
.scaledToFit()
.frame(width: 100, height: 100)
}
#endif
Button("Toggle \(isOn ? "nil" : "valid") URL") {
isOn.toggle()
}
Spacer()
Toggle("Switch", isOn: $animated)
}
}
}
// Test Switching url using @State
struct ContentView2: View {
@State var imageURLs = [
"https://raw.githubusercontent.com/recurser/exif-orientation-examples/master/Landscape_1.jpg",
"https://raw.githubusercontent.com/recurser/exif-orientation-examples/master/Landscape_2.jpg",
"http://assets.sbnation.com/assets/2512203/dogflops.gif",
"https://raw.githubusercontent.com/liyong03/YLGIFImage/master/YLGIFImageDemo/YLGIFImageDemo/joy.gif"
]
@State var animated: Bool = false // You can change between WebImage/AnimatedImage
@State var imageIndex : Int = 0
var body: some View {
Group {
Text("\(animated ? "AnimatedImage" : "WebImage") - \((imageURLs[imageIndex] as NSString).lastPathComponent)")
Spacer()
#if os(watchOS)
WebImage(url:URL(string: imageURLs[imageIndex]))
.resizable()
.aspectRatio(contentMode: .fit)
#else
if self.animated {
AnimatedImage(url:URL(string: imageURLs[imageIndex]))
.resizable()
.aspectRatio(contentMode: .fit)
} else {
WebImage(url:URL(string: imageURLs[imageIndex]))
.resizable()
.aspectRatio(contentMode: .fit)
}
#endif
Spacer()
Button("Next") {
if imageIndex + 1 >= imageURLs.count {
imageIndex = 0
} else {
imageIndex += 1
}
}
Button("Reload") {
SDImageCache.shared.clearMemory()
SDImageCache.shared.clearDisk(onCompletion: nil)
}
Toggle("Switch", isOn: $animated)
}
}
}
struct ContentView: View {
@State var imageURLs = [
"http://assets.sbnation.com/assets/2512203/dogflops.gif",
"https://raw.githubusercontent.com/liyong03/YLGIFImage/master/YLGIFImageDemo/YLGIFImageDemo/joy.gif",
"http://apng.onevcat.com/assets/elephant.png",
"http://www.ioncannon.net/wp-content/uploads/2011/06/test2.webp",
"http://www.ioncannon.net/wp-content/uploads/2011/06/test9.webp",
"http://littlesvr.ca/apng/images/SteamEngine.webp",
"http://littlesvr.ca/apng/images/world-cup-2014-42.webp",
"https://isparta.github.io/compare-webp/image/gif_webp/webp/2.webp",
"https://raw.githubusercontent.com/link-u/avif-sample-images/master/fox.profile0.8bpc.yuv420.avif",
"https://raw.githubusercontent.com/link-u/avif-sample-images/master/star-12bpc-with-alpha.avifs",
"https://nokiatech.github.io/heif/content/images/ski_jump_1440x960.heic",
"https://nokiatech.github.io/heif/content/image_sequences/starfield_animation.heic",
"https://nr-platform.s3.amazonaws.com/uploads/platform/published_extension/branding_icon/275/AmazonS3.png",
"https://raw.githubusercontent.com/ibireme/YYImage/master/Demo/YYImageDemo/mew_baseline.jpg",
"https://via.placeholder.com/200x200.jpg",
"https://raw.githubusercontent.com/recurser/exif-orientation-examples/master/Landscape_5.jpg",
"https://dev.w3.org/SVG/tools/svgweb/samples/svg-files/w3c.svg",
"https://dev.w3.org/SVG/tools/svgweb/samples/svg-files/wikimedia.svg",
"https://raw.githubusercontent.com/icons8/flat-color-icons/master/pdf/stack_of_photos.pdf",
"https://raw.githubusercontent.com/icons8/flat-color-icons/master/pdf/smartphone_tablet.pdf"
]
@State var animated: Bool = false // You can change between WebImage/AnimatedImage
@EnvironmentObject var settings: UserSettings
// Used to avoid https://twitter.com/fatbobman/status/1572507700436807683?s=20&t=5rfj6BUza5Jii-ynQatCFA
struct ItemView: View {
@Binding var animated: Bool
@State var url: String
var body: some View {
NavigationLink(destination: DetailView(url: url, animated: self.animated)) {
HStack {
if self.animated {
#if os(macOS) || os(iOS) || os(tvOS) || os(visionOS)
AnimatedImage(url: URL(string:url))
.onViewUpdate { view, context in
#if os(macOS)
view.toolTip = url
#endif
}
.indicator(.activity)
.transition(.fade)
.resizable()
.scaledToFit()
.frame(width: CGFloat(100), height: CGFloat(100), alignment: .center)
#else
WebImage(url: URL(string:url))
.resizable()
.indicator(.activity)
.transition(.fade(duration: 0.5))
.scaledToFit()
.frame(width: CGFloat(100), height: CGFloat(100), alignment: .center)
#endif
} else {
WebImage(url: URL(string:url))
.resizable()
.indicator(.activity)
.transition(.fade(duration: 0.5))
.scaledToFit()
.frame(width: CGFloat(100), height: CGFloat(100), alignment: .center)
}
Text((url as NSString).lastPathComponent)
}
}
.buttonStyle(PlainButtonStyle())
}
}
var body: some View {
#if os(visionOS)
return NavigationView {
contentView()
.navigationBarTitle(animated ? "AnimatedImage" : "WebImage")
.navigationBarItems(leading:
Button(action: { self.reloadCache() }) {
Text("Reload")
}, trailing:
Button(action: { self.switchView() }) {
Text("Switch")
}
)
}
#endif
#if os(iOS)
return NavigationView {
contentView()
.navigationBarTitle(animated ? "AnimatedImage" : "WebImage")
.navigationBarItems(leading:
Button(action: { self.reloadCache() }) {
Text("Reload")
}, trailing:
Button(action: { self.switchView() }) {
Text("Switch")
}
)
}
#endif
#if os(tvOS)
return NavigationView {
contentView()
.environment(\EnvironmentValues.editMode, self.$settings.editMode)
.navigationBarTitle(animated ? "AnimatedImage" : "WebImage")
.navigationBarItems(leading:
Button(action: { self.reloadCache() }) {
Text("Reload")
}, trailing:
Button(action: { self.switchView() }) {
Text("Switch")
}
)
}
#endif
#if os(macOS)
return NavigationView {
contentView()
.frame(minWidth: 200)
.listStyle(SidebarListStyle())
.contextMenu {
Button(action: { self.reloadCache() }) {
Text("Reload")
}
Button(action: { self.switchView() }) {
Text("Switch")
}
}
}
#endif
#if os(watchOS)
return NavigationView {
contentView()
.navigationTitle("WebImage")
.toolbar {
Button(action: { self.reloadCache() }) {
Text("Reload")
}
}
}
#endif
}
func contentView() -> some View {
List {
ForEach(imageURLs, id: \.self) { url in
// Must use top level view instead of inlined view structure
ItemView(animated: $animated, url: url)
}
.onDelete { indexSet in
indexSet.forEach { index in
self.imageURLs.remove(at: index)
}
}
}
}
func reloadCache() {
SDImageCache.shared.clearMemory()
SDImageCache.shared.clearDisk(onCompletion: nil)
}
func switchView() {
SDImageCache.shared.clearMemory()
animated.toggle()
}
}
#if DEBUG
struct ContentView_Previews: PreviewProvider {
static var previews: some View {
ContentView()
}
}
#endif