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MajorNavigationController.swift
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//
// SingleChatNavigationController.swift
// Telegram-Mac
//
// Created by keepcoder on 13/10/2016.
// Copyright © 2016 Telegram. All rights reserved.
//
import Cocoa
import SwiftSignalKit
public protocol MajorControllerListener : class {
func navigationWillShowMajorController(_ controller:ViewController);
}
open class MajorNavigationController: NavigationViewController, SplitViewDelegate {
public var alwaysAnimate: Bool = false
private var majorClass:AnyClass
private var defaultEmpty:ViewController
private var listeners:[WeakReference<ViewController>] = []
private let container:GenericViewController<BackgroundView> = GenericViewController<BackgroundView>()
override var containerView:BackgroundView {
get {
return container.genericView
}
set {
super.containerView = newValue
}
}
deinit {
var bp:Int = 0
bp += 1
}
open override func loadView() {
super.loadView()
genericView.setProportion(proportion: SplitProportion(min:380, max: .greatestFiniteMagnitude), state: .single)
controller._frameRect = bounds
controller.viewWillAppear(false)
controller.navigationController = self
containerView.addSubview(navigationBar)
containerView.frame = bounds
navigationBar.frame = NSMakeRect(0, 0, containerView.frame.width, controller.bar.height)
controller.view.frame = NSMakeRect(0, controller.bar.height , containerView.frame.width, containerView.frame.height - controller.bar.height)
navigationBar.switchViews(left: controller.leftBarView, center: controller.centerBarView, right: controller.rightBarView, controller: controller, style: .none, animationStyle: controller.animationStyle, liveSwiping: false)
containerView.addSubview(controller.view)
Queue.mainQueue().justDispatch {
self.controller.viewDidAppear(false)
}
containerView.customHandler.layout = { [weak self] view in
guard let `self` = self else {
return
}
self.navigationBar.frame = NSMakeRect(self.navigationBar.frame.minX, self.navigationBar.frame.minY, self.controller.frame.width, self.navigationBar.frame.height)
self.navigationRightBorder.frame = NSMakeRect(view.frame.width - .borderSize, 0, .borderSize, self.navigationBar.frame.height)
}
}
public func closeSidebar() {
genericView.removeProportion(state: .dual)
genericView.setProportion(proportion: SplitProportion(min:380, max: .greatestFiniteMagnitude), state: .single)
genericView.layout()
viewDidChangedNavigationLayout(.single)
}
override var containerSize: NSSize {
switch genericView.state {
case .dual:
return NSMakeSize(frame.width - 350, frame.height)
default:
return super.containerSize
}
}
open override func viewDidResized(_ size: NSSize) {
super.viewDidResized(size)
self.genericView.setFrameSize(size)
//_ = atomicSize.swap(size)
// self.genericView.frame = NSMakeRect(0, barInset, <#T##w: CGFloat##CGFloat#>, <#T##h: CGFloat##CGFloat#>)
}
public init(_ majorClass:AnyClass, _ empty:ViewController, _ window: Window) {
self.majorClass = majorClass
self.defaultEmpty = empty
container.bar = .init(height: 0)
assert(majorClass is ViewController.Type)
super.init(empty, window)
}
open override func currentControllerDidChange() {
if let view = view as? DraggingView {
view.controller = controller
}
for listener in listeners {
listener.value?.navigationWillChangeController()
}
}
open override func viewDidLoad() {
//super.viewDidLoad()
genericView.delegate = self
genericView.layout()
}
public func splitViewDidNeedSwapToLayout(state: SplitViewState) {
genericView.removeAllControllers();
switch state {
case .dual:
genericView.addController(controller: container, proportion: SplitProportion(min: 800, max: .greatestFiniteMagnitude))
if let sidebar = sidebar {
genericView.addController(controller: sidebar, proportion: SplitProportion(min:350, max: 350))
}
case .single:
genericView.addController(controller: container, proportion: SplitProportion(min: 800, max: .greatestFiniteMagnitude))
default:
break
}
for listener in listeners {
listener.value?.viewDidChangedNavigationLayout(state)
}
viewDidResized(self.frame.size)
}
public func splitViewDidNeedMinimisize(controller: ViewController) {
}
public func splitViewDidNeedFullsize(controller: ViewController) {
}
public func splitViewIsCanMinimisize() -> Bool {
return false;
}
public func splitViewDrawBorder() -> Bool {
return true
}
open override func viewClass() ->AnyClass {
return DraggingView.self
}
public var genericView:SplitView {
return view as! SplitView
}
override open func push(_ controller: ViewController, _ animated: Bool = true, style:ViewControllerStyle? = nil) {
assertOnMainThread()
if controller.abolishWhenNavigationSame, controller.className == self.controller.className {
return
}
controller.navigationController = self
if genericView.nextLayout == .dual {
controller.loadViewIfNeeded(NSMakeRect(0, 0, genericView.frame.width - 350, genericView.frame.height))
} else {
var offset: CGFloat = 0
if let header = header, header.isShown {
offset += header.height
}
if let header = callHeader, header.isShown {
offset += header.height
}
let bounds = genericView.bounds
let frame = NSMakeRect(0, offset, bounds.width, bounds.height - offset)
controller.loadViewIfNeeded(frame)
}
self.genericView.update()
self.controller.ableToNextController(controller, { [weak self] controller, result in
if result {
self?.pushDisposable.set((controller.ready.get() |> deliverOnMainQueue |> take(1)).start(next: {[weak self] _ in
if let strongSelf = self {
let isMajorController = controller.className == NSStringFromClass(strongSelf.majorClass)
let removeAnimateFlag = strongSelf.stackCount == 2 && isMajorController && !strongSelf.alwaysAnimate
if isMajorController {
let stack = strongSelf.stack
strongSelf.stack.removeAll()
for controller in stack {
controller.didRemovedFromStack()
}
strongSelf.stack.append(strongSelf.empty)
}
if let index = strongSelf.stack.firstIndex(of: controller) {
strongSelf.stack.remove(at: index)
}
strongSelf.stack.append(controller)
let anim = animated && (!isMajorController || strongSelf.controller != strongSelf.defaultEmpty) && !removeAnimateFlag
let newStyle:ViewControllerStyle
if let style = style {
newStyle = style
} else {
newStyle = anim ? .push : .none
}
CATransaction.begin()
strongSelf.show(controller, newStyle)
CATransaction.commit()
}
}))
}
})
}
override open func invokeBack(animated:Bool = true, forceAnimated: Bool = false, animationStyle: ViewControllerStyle = .pop, checkLock: Bool = true) {
if !isLocked, let last = stack.last, !checkLock || last.invokeNavigationBack() {
if stackCount > 1 {
let ncontroller = stack[stackCount - 2]
let removeAnimateFlag = ((ncontroller == defaultEmpty || !animated) && !alwaysAnimate) && !forceAnimated
stack.removeLast()
last.didRemovedFromStack()
show(ncontroller, removeAnimateFlag ? .none : animationStyle)
} else {
doSomethingOnEmptyBack?()
}
}
}
open override func back(animated:Bool = true, forceAnimated: Bool = false, animationStyle: ViewControllerStyle = .pop) -> Void {
self.invokeBack(animated: animated, forceAnimated: forceAnimated, animationStyle: animationStyle, checkLock: true)
}
public func removeExceptMajor() {
let index = stack.firstIndex(where: { current in
return current.className == NSStringFromClass(self.majorClass)
})
if let index = index {
while stack.count > index {
stack.removeLast()
}
} else {
while stack.count > 1 {
stack.removeLast()
}
}
}
open override var responderPriority: HandlerPriority {
return empty.responderPriority
}
open override func viewDidAppear(_ animated: Bool) {
super.viewDidAppear(animated)
self.window?.set(handler: { [weak self] _ in
if let strongSelf = self {
return strongSelf.escapeKeyAction()
}
return .rejected
}, with: self, for: .Escape, priority: self.responderPriority)
self.window?.set(handler: { [weak self] _ in
if let strongSelf = self {
return strongSelf.returnKeyAction()
}
return .rejected
}, with: self, for: .Return, priority: self.responderPriority)
self.window?.set(handler: { [weak self] _ in
if let strongSelf = self {
return strongSelf.backKeyAction()
}
return .rejected
}, with: self, for: .LeftArrow, priority: self.responderPriority)
self.window?.set(handler: { [weak self] _ in
if let strongSelf = self {
return strongSelf.nextKeyAction()
}
return .rejected
}, with: self, for: .RightArrow, priority: self.responderPriority)
}
open override var canSwipeBack: Bool {
return (self.genericView.state == .single || self.stackCount > 2)
}
open override func viewWillDisappear(_ animated: Bool) {
super.viewDidDisappear(animated)
self.window?.removeAllHandlers(for: self)
self.window?.removeAllHandlers(for: self.containerView)
}
open override func backKeyAction() -> KeyHandlerResult {
let status:KeyHandlerResult = stackCount > 1 ? .invoked : .rejected
if isLocked {
return .invoked
}
let cInvoke = self.controller.backKeyAction()
if cInvoke == .invokeNext {
return .invokeNext
} else if cInvoke == .invoked {
return .invoked
}
self.back()
return status
}
open override func nextKeyAction() -> KeyHandlerResult {
if isLocked {
return .invoked
}
return self.controller.nextKeyAction()
}
open override func escapeKeyAction() -> KeyHandlerResult {
let status:KeyHandlerResult = stackCount > 1 ? .invoked : .rejected
if isLocked {
return .invoked
}
let cInvoke = self.controller.escapeKeyAction()
if cInvoke == .invokeNext {
return .invokeNext
} else if cInvoke == .invoked {
return .invoked
}
self.back()
return status
}
open override func returnKeyAction() -> KeyHandlerResult {
let status:KeyHandlerResult = .rejected
let cInvoke = self.controller.returnKeyAction()
if cInvoke == .invokeNext {
return .invokeNext
} else if cInvoke == .invoked {
return .invoked
}
return status
}
public func add(listener:WeakReference<ViewController>) -> Void {
let index = listeners.firstIndex(where: { (weakView) -> Bool in
return listener.value == weakView.value
})
if index == nil {
listeners.append(listener)
}
}
public func remove(listener:WeakReference<ViewController>) -> Void {
let index = listeners.firstIndex(where: { (weakView) -> Bool in
return listener.value == weakView.value
})
if let index = index {
listeners.remove(at: index)
}
}
}