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/*
* 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/>.
*/
extension NSTouchBar.CustomizationIdentifier {
public static let customId: NSTouchBar.CustomizationIdentifier = "io.mpv.touchbar"
}
extension NSTouchBarItem.Identifier {
public static let seekBar = NSTouchBarItem.Identifier(custom: ".seekbar")
public static let play = NSTouchBarItem.Identifier(custom: ".play")
public static let nextItem = NSTouchBarItem.Identifier(custom: ".nextItem")
public static let previousItem = NSTouchBarItem.Identifier(custom: ".previousItem")
public static let nextChapter = NSTouchBarItem.Identifier(custom: ".nextChapter")
public static let previousChapter = NSTouchBarItem.Identifier(custom: ".previousChapter")
public static let cycleAudio = NSTouchBarItem.Identifier(custom: ".cycleAudio")
public static let cycleSubtitle = NSTouchBarItem.Identifier(custom: ".cycleSubtitle")
public static let currentPosition = NSTouchBarItem.Identifier(custom: ".currentPosition")
public static let timeLeft = NSTouchBarItem.Identifier(custom: ".timeLeft")
init(custom: String) {
self.init(NSTouchBar.CustomizationIdentifier.customId + custom)
}
}
extension TouchBar {
enum `Type` {
case button
case text
case slider
}
struct Config {
let name: String
let type: Type
let command: String
var view: NSView?
var item: NSCustomTouchBarItem?
var constraint: NSLayoutConstraint?
let image: NSImage
let imageAlt: NSImage
init(
name: String = "",
type: Type = .button,
command: String = "",
view: NSView? = nil,
item: NSCustomTouchBarItem? = nil,
constraint: NSLayoutConstraint? = nil,
image: NSImage? = nil,
imageAlt: NSImage? = nil
) {
self.name = name
self.type = type
self.command = command
self.view = view
self.item = item
self.constraint = constraint
self.image = image ?? NSImage(size: NSSize(width: 1, height: 1))
self.imageAlt = imageAlt ?? NSImage(size: NSSize(width: 1, height: 1))
}
}
}
class TouchBar: NSTouchBar, NSTouchBarDelegate {
var configs: [NSTouchBarItem.Identifier:Config] = [:]
var isPaused: Bool = false
var position: Double = 0
var duration: Double = 0
var rate: Double = 0
override init() {
super.init()
configs = [
.seekBar: Config(name: "Seek Bar", type: .slider, command: "seek %f absolute-percent"),
.currentPosition: Config(name: "Current Position", type: .text),
.timeLeft: Config(name: "Time Left", type: .text),
.play: Config(
name: "Play Button",
type: .button,
command: "cycle pause",
image: .init(named: NSImage.touchBarPauseTemplateName),
imageAlt: .init(named: NSImage.touchBarPlayTemplateName)
),
.previousItem: Config(
name: "Previous Playlist Item",
type: .button,
command: "playlist-prev",
image: .init(named: NSImage.touchBarGoBackTemplateName)
),
.nextItem: Config(
name: "Next Playlist Item",
type: .button,
command: "playlist-next",
image: .init(named: NSImage.touchBarGoForwardTemplateName)
),
.previousChapter: Config(
name: "Previous Chapter",
type: .button,
command: "add chapter -1",
image: .init(named: NSImage.touchBarSkipBackTemplateName)
),
.nextChapter: Config(
name: "Next Chapter",
type: .button,
command: "add chapter 1",
image: .init(named: NSImage.touchBarSkipAheadTemplateName)
),
.cycleAudio: Config(
name: "Cycle Audio",
type: .button,
command: "cycle audio",
image: .init(named: NSImage.touchBarAudioInputTemplateName)
),
.cycleSubtitle: Config(
name: "Cycle Subtitle",
type: .button,
command: "cycle sub",
image: .init(named: NSImage.touchBarComposeTemplateName)
)
]
delegate = self
customizationIdentifier = .customId;
defaultItemIdentifiers = [.play, .previousItem, .nextItem, .seekBar]
customizationAllowedItemIdentifiers = [.play, .seekBar, .previousItem, .nextItem,
.previousChapter, .nextChapter, .cycleAudio, .cycleSubtitle, .currentPosition, .timeLeft]
addObserver(self, forKeyPath: "visible", options: [.new], context: nil)
}
required init?(coder: NSCoder) {
super.init(coder: coder)
}
func touchBar(_ touchBar: NSTouchBar, makeItemForIdentifier identifier: NSTouchBarItem.Identifier) -> NSTouchBarItem? {
guard let config = configs[identifier] else { return nil }
switch config.type {
case .button:
let item = NSCustomTouchBarItem(identifier: identifier)
let image = config.image
let button = NSButton(image: image, target: self, action: #selector(buttonAction(_:)))
item.view = button;
item.customizationLabel = config.name
configs[identifier]?.view = button
configs[identifier]?.item = item
item.addObserver(self, forKeyPath: "visible", options: [.new], context: nil)
return item
case .text:
let item = NSCustomTouchBarItem(identifier: identifier)
let text = NSTextField(labelWithString: "0:00")
text.alignment = .center
item.view = text;
item.customizationLabel = config.name
configs[identifier]?.view = text
configs[identifier]?.item = item
item.addObserver(self, forKeyPath: "visible", options: [.new], context: nil)
return item
case .slider:
let item = NSCustomTouchBarItem(identifier: identifier)
let slider = NSSlider(target: self, action: #selector(seekbarChanged(_:)))
slider.minValue = 0
slider.maxValue = 100
item.view = slider;
item.customizationLabel = config.name
configs[identifier]?.view = slider
configs[identifier]?.item = item
item.addObserver(self, forKeyPath: "visible", options: [.new], context: nil)
return item
}
}
override func observeValue(
forKeyPath keyPath: String?,
of object: Any?,
change: [NSKeyValueChangeKey:Any]?,
context: UnsafeMutableRawPointer?
) {
guard let visible = change?[.newKey] as? Bool else { return }
if keyPath == "isVisible" && visible {
updateTouchBarTimeItems()
updatePlayButton()
}
}
func updateTouchBarTimeItems() {
if !isVisible { return }
updateSlider()
updateTimeLeft()
updateCurrentPosition()
}
func updateSlider() {
guard let config = configs[.seekBar], let slider = config.view as? NSSlider else { return }
if !(config.item?.isVisible ?? false) { return }
if duration <= 0 {
slider.isEnabled = false
slider.doubleValue = 0
} else {
slider.isEnabled = true
if (!slider.isHighlighted) {
slider.doubleValue = (position / duration) * 100
}
}
}
func updateTimeLeft() {
guard let config = configs[.timeLeft], let text = config.view as? NSTextField else { return }
if !(config.item?.isVisible ?? false) { return }
removeConstraintFor(identifier: .timeLeft)
if duration <= 0 {
text.stringValue = ""
} else {
let left = Int(floor(duration) - floor(position))
let leftFormat = format(time: left)
let durationFormat = format(time: Int(duration))
text.stringValue = "-\(leftFormat)"
applyConstraintFrom(string: "-\(durationFormat)", identifier: .timeLeft)
}
}
func updateCurrentPosition() {
guard let config = configs[.currentPosition], let text = config.view as? NSTextField else { return }
if !(config.item?.isVisible ?? false) { return }
text.stringValue = format(time: Int(floor(position)))
removeConstraintFor(identifier: .currentPosition)
if duration <= 0 {
applyConstraintFrom(string: format(time: Int(position)), identifier: .currentPosition)
} else {
applyConstraintFrom(string: format(time: Int(duration)), identifier: .currentPosition)
}
}
func updatePlayButton() {
guard let config = configs[.play], let button = config.view as? NSButton else { return }
if !isVisible || !(config.item?.isVisible ?? false) { return }
if isPaused {
button.image = configs[.play]?.imageAlt
} else {
button.image = configs[.play]?.image
}
}
@objc func buttonAction(_ button: NSButton) {
guard let identifier = getIdentifierFrom(view: button), let command = configs[identifier]?.command else { return }
EventsResponder.sharedInstance().inputHelper.command(command)
}
@objc func seekbarChanged(_ slider: NSSlider) {
guard let identifier = getIdentifierFrom(view: slider), let command = configs[identifier]?.command else { return }
EventsResponder.sharedInstance().inputHelper.command(String(format: command, slider.doubleValue))
}
func format(time: Int) -> String {
let seconds = time % 60
let minutes = (time / 60) % 60
let hours = time / (60 * 60)
var stime = hours > 0 ? "\(hours):" : ""
stime = (stime.count > 0 || minutes > 9) ? String(format: "%@%02d:", stime, minutes) : "\(minutes):"
stime = String(format: "%@%02d", stime, seconds)
return stime
}
func removeConstraintFor(identifier: NSTouchBarItem.Identifier) {
guard let text = configs[identifier]?.view as? NSTextField,
let constraint = configs[identifier]?.constraint as? NSLayoutConstraint else { return }
text.removeConstraint(constraint)
}
func applyConstraintFrom(string: String, identifier: NSTouchBarItem.Identifier) {
guard let text = configs[identifier]?.view as? NSTextField else { return }
let fString = string.components(separatedBy: .decimalDigits).joined(separator: "0")
let textField = NSTextField(labelWithString: fString)
let size = textField.frame.size
let con = NSLayoutConstraint(item: text, attribute: .width, relatedBy: .equal, toItem: nil,
attribute: .notAnAttribute, multiplier: 1.0, constant: ceil(size.width * 1.1))
text.addConstraint(con)
configs[identifier]?.constraint = con
}
func getIdentifierFrom(view: NSView) -> NSTouchBarItem.Identifier? {
for (identifier, config) in configs {
if config.view == view {
return identifier
}
}
return nil
}
@objc func processEvent(_ event: UnsafeMutablePointer<mpv_event>) {
switch event.pointee.event_id {
case MPV_EVENT_END_FILE:
position = 0
duration = 0
case MPV_EVENT_PROPERTY_CHANGE:
handlePropertyChange(event)
default:
break
}
}
func handlePropertyChange(_ event: UnsafeMutablePointer<mpv_event>) {
let pData = OpaquePointer(event.pointee.data)
guard let property = UnsafePointer<mpv_event_property>(pData)?.pointee else { return }
switch String(cString: property.name) {
case "time-pos" where property.format == MPV_FORMAT_DOUBLE:
let newPosition = max(LibmpvHelper.mpvDoubleToDouble(property.data) ?? 0, 0)
if Int((floor(newPosition) - floor(position)) / rate) != 0 {
position = newPosition
updateTouchBarTimeItems()
}
case "duration" where property.format == MPV_FORMAT_DOUBLE:
duration = LibmpvHelper.mpvDoubleToDouble(property.data) ?? 0
updateTouchBarTimeItems()
case "pause" where property.format == MPV_FORMAT_FLAG:
isPaused = LibmpvHelper.mpvFlagToBool(property.data) ?? false
updatePlayButton()
case "speed" where property.format == MPV_FORMAT_DOUBLE:
rate = LibmpvHelper.mpvDoubleToDouble(property.data) ?? 1
default:
break
}
}
}
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