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Code Issues Projects Releases Wiki Activity

Hide controls during stroke.

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This commit is contained in:
Matthew Chen 2019-03-12 11:46:12 -04:00
parent c77835926d
commit 9e636b0fc9
1 changed files with 21 additions and 3 deletions
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24
SignalMessaging/Views/ImageEditor/ImageEditorBrushViewController.swift
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@ -84,11 +84,18 @@ public class ImageEditorBrushViewController: OWSViewController {
self.view.layoutSubviews()
}
public func updateNavigationBar() {
private func updateNavigationBar() {
// Hide controls during stroke.
let hasStroke = currentStroke != nil
guard !hasStroke else {
updateNavigationBar(navigationBarItems: [])
return
}
let undoButton = navigationBarButton(imageName: "image_editor_undo",
selector: #selector(didTapUndo(sender:)))
let doneButton = navigationBarButton(imageName: "image_editor_checkmark_full",
selector: #selector(didTapDone(sender:)))
selector: #selector(didTapDone(sender:)))
// Prevent users from undo any changes made before entering the view.
let canUndo = model.canUndo() && firstUndoOperationId != model.currentUndoOperationId()
@ -101,6 +108,12 @@ public class ImageEditorBrushViewController: OWSViewController {
updateNavigationBar(navigationBarItems: navigationBarItems)
}
private func updateControls() {
// Hide controls during stroke.
let hasStroke = currentStroke != nil
paletteView.isHidden = hasStroke
}
// MARK: - Actions
@objc func didTapUndo(sender: UIButton) {
@ -129,7 +142,12 @@ public class ImageEditorBrushViewController: OWSViewController {
// MARK: - Brush
// These properties are non-empty while drawing a stroke.
private var currentStroke: ImageEditorStrokeItem?
private var currentStroke: ImageEditorStrokeItem? {
didSet {
updateControls()
updateNavigationBar()
}
}
private var currentStrokeSamples = [ImageEditorStrokeItem.StrokeSample]()
@objc