Add Waver

2026-08-21 10:46:08 +10:00 · 2015-04-01 13:57:17 +08:00
parent ddefdd4547
commit acf352bad0
3 changed files with 153 additions and 1 deletions
@@ -11,6 +11,7 @@
 		0A271FD71ACA055400822DFC /* YepAudioService.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0A271FD61ACA055400822DFC /* YepAudioService.swift */; };
 		0A5D83941AC5D3C8000045BF /* YepTabBarController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0A5D83931AC5D3C8000045BF /* YepTabBarController.swift */; };
 		0A5D83991AC5D91E000045BF /* ContactsSearchTableViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0A5D83981AC5D91E000045BF /* ContactsSearchTableViewController.swift */; };
+		0A6F46FD1ACBBF2D000CCD6F /* Waver.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0A6F46FC1ACBBF2D000CCD6F /* Waver.swift */; };
 		0A8F54B11AB67D11004AD60E /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0A8F54B01AB67D11004AD60E /* AppDelegate.swift */; };
 		0A8F54B61AB67D11004AD60E /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 0A8F54B41AB67D11004AD60E /* Main.storyboard */; };
 		0A8F54B81AB67D11004AD60E /* Images.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 0A8F54B71AB67D11004AD60E /* Images.xcassets */; };
@@ -100,6 +101,7 @@
 		0A271FD61ACA055400822DFC /* YepAudioService.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = YepAudioService.swift; path = Services/YepAudioService.swift; sourceTree = "<group>"; };
 		0A5D83931AC5D3C8000045BF /* YepTabBarController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = YepTabBarController.swift; path = ViewControllers/TabBar/YepTabBarController.swift; sourceTree = "<group>"; };
 		0A5D83981AC5D91E000045BF /* ContactsSearchTableViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = ContactsSearchTableViewController.swift; path = ViewControllers/Contacts/Search/ContactsSearchTableViewController.swift; sourceTree = "<group>"; };
+		0A6F46FC1ACBBF2D000CCD6F /* Waver.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Waver.swift; sourceTree = "<group>"; };
 		0A8F54AB1AB67D11004AD60E /* Yep.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Yep.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		0A8F54AF1AB67D11004AD60E /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		0A8F54B01AB67D11004AD60E /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
@@ -486,6 +488,7 @@
 		502AE53B1AB871C5005BD199 /* Helpers */ = {
 			isa = PBXGroup;
 			children = (
+				0A6F46FC1ACBBF2D000CCD6F /* Waver.swift */,
 				502AE5391AB871C1005BD199 /* YepAlert.swift */,
 				502AE53C1AB87C0D005BD199 /* YepUserDefaults.swift */,
 			);
@@ -863,6 +866,7 @@
 				503315A01AC126100008A209 /* MessageToolbar.swift in Sources */,
 				502AE5531AB93215005BD199 /* ProfileFooterCell.swift in Sources */,
 				0A5D83991AC5D91E000045BF /* ContactsSearchTableViewController.swift in Sources */,
+				0A6F46FD1ACBBF2D000CCD6F /* Waver.swift in Sources */,
 				0A944C251AC8BB2F00037A06 /* YepStorageService.swift in Sources */,
 				5023DE521AB6C51300B3EE96 /* CGRect+Yep.swift in Sources */,
 			);
@@ -28,7 +28,7 @@ class ConversationViewController: UIViewController {
    var conversationCollectionViewContentOffsetBeforeKeyboardWillHide = CGPointZero
    var isKeyboardVisible = false
    var keyboardHeight: CGFloat = 0
-
+    
    var keyboardShowTimes = 0 {
        willSet {
            println("set keyboardShowTimes \(newValue)")
@@ -0,0 +1,148 @@
+//
+//  Waver.swift
+//  Waver-Swift
+//
+//  Created by kevinzhow on 15/4/1.
+//  Copyright (c) 2015年 kevinzhow. All rights reserved.
+//
+
+import UIKit
+
+class Waver: UIView {
+    
+    var numberOfWaves: Int = 5
+    
+    var waveColor: UIColor = UIColor(red: 50/255.0, green: 167/255.0, blue: 255/255.0, alpha: 1.0)
+    
+    private var phase: CGFloat = 0
+    
+    var level: CGFloat! {
+        didSet {
+            self.phase+=self.phaseShift; // Move the wave
+            self.amplitude = fmax( level, self.idleAmplitude)
+            self.updateMeters()
+        }
+    }
+    
+    var mainWaveWidth: CGFloat = 2.0
+    
+    var decorativeWavesWidth: CGFloat = 1.0
+    
+    var idleAmplitude: CGFloat = 0.01
+    
+    var frequency: CGFloat = 1.2
+    
+    internal private(set) var amplitude: CGFloat = 1.0
+    
+    var density: CGFloat = 1.0
+    
+    var phaseShift: CGFloat = -0.25
+    
+    internal private(set) var waves: NSMutableArray = []
+    
+    //
+    
+    private var waveHeight: CGFloat!
+    private var waveWidth: CGFloat!
+    private var waveMid: CGFloat!
+    private var maxAmplitude: CGFloat!
+
+    var waverCallback: (() -> ())? {
+        didSet {
+            let displayLink = CADisplayLink(target: self, selector: Selector("callbackWaver"))
+            displayLink.addToRunLoop(NSRunLoop.currentRunLoop(), forMode: NSRunLoopCommonModes)
+            
+            for var i = 0; i < self.numberOfWaves; ++i {
+                var waveline = CAShapeLayer()
+                waveline.lineCap       = kCALineCapButt
+                waveline.lineJoin      = kCALineJoinRound
+                waveline.strokeColor   = UIColor.clearColor().CGColor
+                waveline.fillColor     = UIColor.clearColor().CGColor
+                waveline.lineWidth = (i==0 ? self.mainWaveWidth : self.decorativeWavesWidth)
+
+                var floatI = CGFloat(i)
+                var progressIndex = floatI/CGFloat(self.numberOfWaves)
+                var progress = 1.0 - progressIndex
+                var multiplier = min(1.0, (progress/3.0*2.0) + (1.0/3.0))
+                
+                waveline.strokeColor   = waveColor.colorWithAlphaComponent(( i == 0 ? 1.0 : 1.0*multiplier*0.4)).CGColor
+                
+                self.layer.addSublayer(waveline)
+                self.waves.addObject(waveline)
+            }
+            
+        }
+    }
+    
+    required init(coder aDecoder: NSCoder) {
+        super.init(coder: aDecoder)
+        setup()
+    }
+    
+    override init(frame: CGRect) {
+        super.init(frame: frame)
+        setup()
+    }
+    
+    private func setup() {
+        
+        self.waveHeight = CGRectGetHeight(self.bounds) * 0.9
+        self.waveWidth = CGRectGetWidth(self.bounds)
+        self.waveMid = self.waveWidth/2.0
+        self.maxAmplitude = self.waveHeight - 4.0
+        
+    }
+    
+    func callbackWaver() {
+        waverCallback!()
+    }
+    
+    private func updateMeters() {
+        UIGraphicsBeginImageContext(self.frame.size)
+        
+        for var i=0; i < self.numberOfWaves; ++i {
+            
+            
+            var wavelinePath = UIBezierPath()
+            
+            // Progress is a value between 1.0 and -0.5, determined by the current wave idx, which is used to alter the wave's amplitude.
+            var progress = 1.0 - CGFloat(i)/CGFloat(self.numberOfWaves)
+            var normedAmplitude = (1.5*progress-0.5)*self.amplitude
+            
+            
+            for var x = 0 as CGFloat; x<self.waveWidth + self.density; x += self.density {
+                
+                //Thanks to https://github.com/stefanceriu/SCSiriWaveformView
+                // We use a parable to scale the sinus wave, that has its peak in the middle of the view.
+                var scaling = -pow(x/self.waveMid-1, 2) + 1 // make center bigger
+                
+                var y = scaling*self.maxAmplitude*normedAmplitude
+                var temp = 2.0*CGFloat(M_PI)*(x/self.waveWidth)*self.frequency
+                var temp2 = temp+self.phase
+                y = CGFloat(y)*CGFloat(sinf(Float(temp2))) + self.waveHeight
+                
+                if (x==0) {
+                    wavelinePath.moveToPoint(CGPointMake(x, y))
+                }
+                else {
+                    wavelinePath.addLineToPoint(CGPointMake(x, y))
+                }
+            }
+            
+            var waveline = self.waves.objectAtIndex(i) as! CAShapeLayer
+            waveline.path = wavelinePath.CGPath
+            
+        }
+        
+        UIGraphicsEndImageContext()
+    }
+    
+    /*
+    // Only override drawRect: if you perform custom drawing.
+    // An empty implementation adversely affects performance during animation.
+    override func drawRect(rect: CGRect) {
+        // Drawing code
+    }
+    */
+
+}