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Merge branch 'dev' into improve-responsiveness-of-camera

This commit is contained in:
Diego Sánchez 2016-07-06 11:34:31 +01:00 committed by GitHub
parent 8f9ce5df4e 6f0e82fb7d
commit 359ebe1aa4
1 changed files with 55 additions and 2 deletions
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57
ChattoAdditions/Source/Input/ChatInputBarPresenter.swift
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@ -35,15 +35,27 @@ protocol ChatInputBarPresenter: class {
@objc public class BasicChatInputBarPresenter: NSObject, ChatInputBarPresenter {
let chatInputBar: ChatInputBar
let chatInputItems: [ChatInputItemProtocol]
let notificationCenter: NSNotificationCenter
public init(chatInputBar: ChatInputBar, chatInputItems: [ChatInputItemProtocol], chatInputBarAppearance: ChatInputBarAppearance) {
public init(chatInputBar: ChatInputBar,
chatInputItems: [ChatInputItemProtocol],
chatInputBarAppearance: ChatInputBarAppearance,
notificationCenter: NSNotificationCenter = NSNotificationCenter.defaultCenter()) {
self.chatInputBar = chatInputBar
self.chatInputItems = chatInputItems
self.chatInputBar.setAppearance(chatInputBarAppearance)
self.notificationCenter = notificationCenter
super.init()
self.chatInputBar.presenter = self
self.chatInputBar.inputItems = self.chatInputItems
self.notificationCenter.addObserver(self, selector: #selector(BasicChatInputBarPresenter.keyboardDidChangeFrame), name: UIKeyboardDidChangeFrameNotification, object: nil)
self.notificationCenter.addObserver(self, selector: #selector(BasicChatInputBarPresenter.keyboardWillHide), name: UIKeyboardWillHideNotification, object: nil)
self.notificationCenter.addObserver(self, selector: #selector(BasicChatInputBarPresenter.keyboardWillShow), name: UIKeyboardWillShowNotification, object: nil)
}
deinit {
self.notificationCenter.removeObserver(self)
}
private(set) var focusedItem: ChatInputItemProtocol? {
@ -57,8 +69,10 @@ protocol ChatInputBarPresenter: class {
private func updateFirstResponderWithInputItem(inputItem: ChatInputItemProtocol) {
let responder = self.chatInputBar.textView
responder.inputView = inputItem.inputView
let inputView = inputItem.inputView
responder.inputView = inputView
if responder.isFirstResponder() {
self.setHeight(forInputView: inputView)
responder.reloadInputViews()
} else {
responder.becomeFirstResponder()
@ -75,6 +89,45 @@ protocol ChatInputBarPresenter: class {
}
return firstKeyboardInputItem
}
private var lastKnownKeyboardHeight: CGFloat?
private func setHeight(forInputView inputView: UIView?) {
guard let inputView = inputView else { return }
guard let keyboardHeight = self.lastKnownKeyboardHeight else { return }
var mask = inputView.autoresizingMask
mask.remove(.FlexibleHeight)
inputView.autoresizingMask = mask
let accessoryViewHeight = self.chatInputBar.textView.inputAccessoryView?.bounds.height ?? 0
let inputViewHeight = keyboardHeight - accessoryViewHeight
if let heightConstraint = inputView.constraints.filter({ $0.firstAttribute == .Height }).first {
heightConstraint.constant = inputViewHeight
} else {
inputView.frame.size.height = inputViewHeight
}
}
private var allowListenToChangeFrameEvents = true
@objc
private func keyboardDidChangeFrame(notification: NSNotification) {
guard self.allowListenToChangeFrameEvents else { return }
guard let value = notification.userInfo?[UIKeyboardFrameEndUserInfoKey] as? NSValue else { return }
self.lastKnownKeyboardHeight = value.CGRectValue().height
}
@objc
private func keyboardWillHide(notification: NSNotification) {
self.allowListenToChangeFrameEvents = false
}
@objc
private func keyboardWillShow(notification: NSNotification) {
self.allowListenToChangeFrameEvents = true
}
}
// MARK: ChatInputBarPresenter