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mpv/video/out/mac/title_bar.swift
der richter f79a591ae4 cocoa-cb: generalisation of backend independent parts
move all backend independent code parts in their own folder and files,
to simplify adding new backends. the goal is to only extend one class
and add the backend dependent parts there. usually only the (un)init,
config and related parts need to be implemented per backend. furthermore
all needed windowing and related events are propagated and can be
overwritten. the other backend dependent part is usually the surface for
rendering, for example the opengl oder metal layer.

in the best case a new backend can be added with only a few hundred
lines.
2020-08-22 14:22:49 +02:00

256 lines
9.2 KiB
Swift

/*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* mpv is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
import Cocoa
class TitleBar: NSVisualEffectView {
unowned var common: Common
var mpv: MPVHelper? { get { return common.mpv } }
var systemBar: NSView? {
get { return common.window?.standardWindowButton(.closeButton)?.superview }
}
static var height: CGFloat {
get { return NSWindow.frameRect(forContentRect: CGRect.zero, styleMask: .titled).size.height }
}
var buttons: [NSButton] {
get { return ([.closeButton, .miniaturizeButton, .zoomButton] as [NSWindow.ButtonType]).compactMap { common.window?.standardWindowButton($0) } }
}
override var material: NSVisualEffectView.Material {
get { return super.material }
set {
super.material = newValue
// fix for broken deprecated materials
if material == .light || material == .dark {
state = .active
} else if #available(macOS 10.11, *),
material == .mediumLight || material == .ultraDark
{
state = .active
} else {
state = .followsWindowActiveState
}
}
}
init(frame: NSRect, window: NSWindow, common com: Common) {
let f = NSMakeRect(0, frame.size.height - TitleBar.height,
frame.size.width, TitleBar.height)
common = com
super.init(frame: f)
buttons.forEach { $0.isHidden = true }
isHidden = true
alphaValue = 0
blendingMode = .withinWindow
autoresizingMask = [.width, .minYMargin]
systemBar?.alphaValue = 0
state = .followsWindowActiveState
wantsLayer = true
window.contentView?.addSubview(self, positioned: .above, relativeTo: nil)
window.titlebarAppearsTransparent = true
window.styleMask.insert(.fullSizeContentView)
set(appearance: Int(mpv?.macOpts.macos_title_bar_appearance ?? 0))
set(material: Int(mpv?.macOpts.macos_title_bar_material ?? 0))
set(color: mpv?.macOpts.macos_title_bar_color ?? "#00000000")
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
// catch these events so they are not propagated to the underlying view
override func mouseDown(with event: NSEvent) { }
override func mouseUp(with event: NSEvent) {
if event.clickCount > 1 {
let def = UserDefaults.standard
var action = def.string(forKey: "AppleActionOnDoubleClick")
// macOS 10.10 and earlier
if action == nil {
action = def.bool(forKey: "AppleMiniaturizeOnDoubleClick") == true ?
"Minimize" : "Maximize"
}
if action == "Minimize" {
window?.miniaturize(self)
} else if action == "Maximize" {
window?.zoom(self)
}
}
common.window?.isMoving = false
}
func set(appearance: Any) {
if appearance is Int {
window?.appearance = appearanceFrom(string: String(appearance as? Int ?? 0))
} else {
window?.appearance = appearanceFrom(string: appearance as? String ?? "auto")
}
}
func set(material: Any) {
if material is Int {
self.material = materialFrom(string: String(material as? Int ?? 0))
} else {
self.material = materialFrom(string: material as? String ?? "titlebar")
}
}
func set(color: Any) {
if color is String {
layer?.backgroundColor = NSColor(hex: color as? String ?? "#00000000").cgColor
} else {
let col = color as? m_color ?? m_color(r: 0, g: 0, b: 0, a: 0)
let red = CGFloat(col.r)/255
let green = CGFloat(col.g)/255
let blue = CGFloat(col.b)/255
let alpha = CGFloat(col.a)/255
layer?.backgroundColor = NSColor(calibratedRed: red, green: green,
blue: blue, alpha: alpha).cgColor
}
}
func show() {
guard let window = common.window else { return }
if !window.border && !window.isInFullscreen { return }
let loc = common.view?.convert(window.mouseLocationOutsideOfEventStream, from: nil)
buttons.forEach { $0.isHidden = false }
NSAnimationContext.runAnimationGroup({ (context) -> Void in
context.duration = 0.20
systemBar?.animator().alphaValue = 1
if !window.isInFullscreen && !window.isAnimating {
animator().alphaValue = 1
isHidden = false
}
}, completionHandler: nil )
if loc?.y ?? 0 > TitleBar.height {
hideDelayed()
} else {
NSObject.cancelPreviousPerformRequests(withTarget: self, selector: #selector(hide), object: nil)
}
}
@objc func hide() {
guard let window = common.window else { return }
if window.isInFullscreen && !window.isAnimating {
alphaValue = 0
isHidden = true
return
}
NSAnimationContext.runAnimationGroup({ (context) -> Void in
context.duration = 0.20
systemBar?.animator().alphaValue = 0
animator().alphaValue = 0
}, completionHandler: {
self.buttons.forEach { $0.isHidden = true }
self.isHidden = true
})
}
func hideDelayed() {
NSObject.cancelPreviousPerformRequests(withTarget: self,
selector: #selector(hide),
object: nil)
perform(#selector(hide), with: nil, afterDelay: 0.5)
}
func appearanceFrom(string: String) -> NSAppearance? {
switch string {
case "1", "aqua":
return NSAppearance(named: .aqua)
case "3", "vibrantLight":
return NSAppearance(named: .vibrantLight)
case "4", "vibrantDark":
return NSAppearance(named: .vibrantDark)
default: break
}
if #available(macOS 10.14, *) {
switch string {
case "2", "darkAqua":
return NSAppearance(named: .darkAqua)
case "5", "aquaHighContrast":
return NSAppearance(named: .accessibilityHighContrastAqua)
case "6", "darkAquaHighContrast":
return NSAppearance(named: .accessibilityHighContrastDarkAqua)
case "7", "vibrantLightHighContrast":
return NSAppearance(named: .accessibilityHighContrastVibrantLight)
case "8", "vibrantDarkHighContrast":
return NSAppearance(named: .accessibilityHighContrastVibrantDark)
case "0", "auto": fallthrough
default:
#if HAVE_MACOS_10_14_FEATURES
return nil
#else
break
#endif
}
}
let style = UserDefaults.standard.string(forKey: "AppleInterfaceStyle")
return appearanceFrom(string: style == nil ? "aqua" : "vibrantDark")
}
func materialFrom(string: String) -> NSVisualEffectView.Material {
switch string {
case "1", "selection": return .selection
case "0", "titlebar": return .titlebar
case "14", "dark": return .dark
case "15", "light": return .light
default: break
}
#if HAVE_MACOS_10_11_FEATURES
if #available(macOS 10.11, *) {
switch string {
case "2,", "menu": return .menu
case "3", "popover": return .popover
case "4", "sidebar": return .sidebar
case "16", "mediumLight": return .mediumLight
case "17", "ultraDark": return .ultraDark
default: break
}
}
#endif
#if HAVE_MACOS_10_14_FEATURES
if #available(macOS 10.14, *) {
switch string {
case "5,", "headerView": return .headerView
case "6", "sheet": return .sheet
case "7", "windowBackground": return .windowBackground
case "8", "hudWindow": return .hudWindow
case "9", "fullScreen": return .fullScreenUI
case "10", "toolTip": return .toolTip
case "11", "contentBackground": return .contentBackground
case "12", "underWindowBackground": return .underWindowBackground
case "13", "underPageBackground": return .underPageBackground
default: break
}
}
#endif
return .titlebar
}
}