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78 lines
2.5 KiB
Swift
78 lines
2.5 KiB
Swift
/*
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* Copyright (c) 2022, Nordic Semiconductor
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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import Foundation
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import SwiftUI
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struct SignalStrengthIndicator: View {
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let signalStrength: BLESignalStrength
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var body: some View {
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HStack {
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ForEach(0..<3) { bar in
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RoundedRectangle(cornerRadius: 3)
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.divided(amount: (CGFloat(bar) + 1) / CGFloat(3))
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.fill(getColor().opacity(bar <= signalStrength.rawValue ? 1 : 0.3))
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.frame(width: 8, height: 40)
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}
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}
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}
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private func getColor() -> Color {
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switch signalStrength {
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case .weak:
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return Color.red
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case .normal:
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return Color.yellow
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case .strong:
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return Color.green
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}
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}
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}
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struct Divided<S: Shape>: Shape {
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var amount: CGFloat // Should be in range 0...1
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var shape: S
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func path(in rect: CGRect) -> Path {
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shape.path(in: rect.divided(atDistance: amount * rect.height, from: .maxYEdge).slice)
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}
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}
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extension Shape {
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func divided(amount: CGFloat) -> Divided<Self> {
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return Divided(amount: amount, shape: self)
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}
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}
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enum BLESignalStrength: Int {
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case weak = 0
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case normal = 1
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case strong = 2
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}
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