mpv/osdep/macosx_touchbar.m

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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.
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*
* 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.
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*
* You should have received a copy of the GNU Lesser General Public
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
#include "player/client.h"
#import "macosx_touchbar.h"
@implementation TouchBar
@synthesize app = _app;
@synthesize touchbarItems = _touchbar_items;
@synthesize duration = _duration;
@synthesize position = _position;
@synthesize pause = _pause;
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- (id)init
{
if (self = [super init]) {
self.touchbarItems = @{
seekBar: [NSMutableDictionary dictionaryWithDictionary:@{
@"type": @"slider",
@"name": @"Seek Bar",
@"cmd": @"seek %f absolute-percent"
}],
play: [NSMutableDictionary dictionaryWithDictionary:@{
@"type": @"button",
@"name": @"Play Button",
@"cmd": @"cycle pause",
@"image": [NSImage imageNamed:NSImageNameTouchBarPauseTemplate],
@"imageAlt": [NSImage imageNamed:NSImageNameTouchBarPlayTemplate]
}],
previousItem: [NSMutableDictionary dictionaryWithDictionary:@{
@"type": @"button",
@"name": @"Previous Playlist Item",
@"cmd": @"playlist-prev",
@"image": [NSImage imageNamed:NSImageNameTouchBarGoBackTemplate]
}],
nextItem: [NSMutableDictionary dictionaryWithDictionary:@{
@"type": @"button",
@"name": @"Next Playlist Item",
@"cmd": @"playlist-next",
@"image": [NSImage imageNamed:NSImageNameTouchBarGoForwardTemplate]
}],
previousChapter: [NSMutableDictionary dictionaryWithDictionary:@{
@"type": @"button",
@"name": @"Previous Chapter",
@"cmd": @"add chapter -1",
@"image": [NSImage imageNamed:NSImageNameTouchBarSkipBackTemplate]
}],
nextChapter: [NSMutableDictionary dictionaryWithDictionary:@{
@"type": @"button",
@"name": @"Next Chapter",
@"cmd": @"add chapter 1",
@"image": [NSImage imageNamed:NSImageNameTouchBarSkipAheadTemplate]
}],
cycleAudio: [NSMutableDictionary dictionaryWithDictionary:@{
@"type": @"button",
@"name": @"Cycle Audio",
@"cmd": @"cycle audio",
@"image": [NSImage imageNamed:NSImageNameTouchBarAudioInputTemplate]
}],
cycleSubtitle: [NSMutableDictionary dictionaryWithDictionary:@{
@"type": @"button",
@"name": @"Cycle Subtitle",
@"cmd": @"cycle sub",
@"image": [NSImage imageNamed:NSImageNameTouchBarComposeTemplate]
}],
currentPosition: [NSMutableDictionary dictionaryWithDictionary:@{
@"type": @"text",
@"name": @"Current Position"
}],
timeLeft: [NSMutableDictionary dictionaryWithDictionary:@{
@"type": @"text",
@"name": @"Time Left"
}]
};
[self addObserver:self forKeyPath:@"visible" options:0 context:nil];
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}
return self;
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}
- (nullable NSTouchBarItem *)touchBar:(NSTouchBar *)touchBar
makeItemForIdentifier:(NSTouchBarItemIdentifier)identifier
{
if ([self.touchbarItems[identifier][@"type"] isEqualToString:@"slider"]) {
NSCustomTouchBarItem *tbItem = [[NSCustomTouchBarItem alloc] initWithIdentifier:identifier];
NSSlider *slider = [NSSlider sliderWithTarget:self action:@selector(seekbarChanged:)];
slider.minValue = 0.0f;
slider.maxValue = 100.0f;
tbItem.view = slider;
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tbItem.customizationLabel = self.touchbarItems[identifier][@"name"];
[self.touchbarItems[identifier] setObject:slider forKey:@"view"];
[self.touchbarItems[identifier] setObject:tbItem forKey:@"tbItem"];
[tbItem addObserver:self forKeyPath:@"visible" options:0 context:nil];
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return tbItem;
} else if ([self.touchbarItems[identifier][@"type"] isEqualToString:@"button"]) {
NSCustomTouchBarItem *tbItem = [[NSCustomTouchBarItem alloc] initWithIdentifier:identifier];
NSImage *tbImage = self.touchbarItems[identifier][@"image"];
NSButton *tbButton = [NSButton buttonWithImage:tbImage target:self action:@selector(buttonAction:)];
tbItem.view = tbButton;
tbItem.customizationLabel = self.touchbarItems[identifier][@"name"];
[self.touchbarItems[identifier] setObject:tbButton forKey:@"view"];
[self.touchbarItems[identifier] setObject:tbItem forKey:@"tbItem"];
[tbItem addObserver:self forKeyPath:@"visible" options:0 context:nil];
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return tbItem;
} else if ([self.touchbarItems[identifier][@"type"] isEqualToString:@"text"]) {
NSCustomTouchBarItem *tbItem = [[NSCustomTouchBarItem alloc] initWithIdentifier:identifier];
NSTextField *tbText = [NSTextField labelWithString:@"0:00"];
tbText.alignment = NSTextAlignmentCenter;
tbItem.view = tbText;
tbItem.customizationLabel = self.touchbarItems[identifier][@"name"];
[self.touchbarItems[identifier] setObject:tbText forKey:@"view"];
[self.touchbarItems[identifier] setObject:tbItem forKey:@"tbItem"];
[tbItem addObserver:self forKeyPath:@"visible" options:0 context:nil];
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return tbItem;
}
return nil;
}
- (void)observeValueForKeyPath:(NSString *)keyPath
ofObject:(id)object
change:(NSDictionary<NSKeyValueChangeKey,id> *)change
context:(void *)context {
if ([keyPath isEqualToString:@"visible"]) {
NSNumber *visible = [object valueForKey:@"visible"];
if (visible.boolValue) {
[self updateTouchBarTimeItems];
[self updatePlayButton];
}
}
}
- (void)updateTouchBarTimeItems
{
if (!self.isVisible)
return;
[self updateSlider];
[self updateTimeLeft];
[self updateCurrentPosition];
}
- (void)updateSlider
{
NSCustomTouchBarItem *tbItem = self.touchbarItems[seekBar][@"tbItem"];
if (!tbItem.visible)
return;
NSSlider *seekSlider = self.touchbarItems[seekBar][@"view"];
if (self.duration <= 0) {
seekSlider.enabled = NO;
seekSlider.doubleValue = 0;
} else {
seekSlider.enabled = YES;
if (!seekSlider.highlighted)
seekSlider.doubleValue = (self.position/self.duration)*100;
}
}
- (void)updateTimeLeft
{
NSCustomTouchBarItem *tbItem = self.touchbarItems[timeLeft][@"tbItem"];
if (!tbItem.visible)
return;
NSTextField *timeLeftItem = self.touchbarItems[timeLeft][@"view"];
[self removeConstraintForIdentifier:timeLeft];
if (self.duration <= 0) {
timeLeftItem.stringValue = @"";
} else {
int left = (int)(floor(self.duration)-floor(self.position));
NSString *leftFormat = [self formatTime:left];
NSString *durFormat = [self formatTime:self.duration];
timeLeftItem.stringValue = [NSString stringWithFormat:@"-%@", leftFormat];
[self applyConstraintFromString:[NSString stringWithFormat:@"-%@", durFormat]
forIdentifier:timeLeft];
}
}
- (void)updateCurrentPosition
{
NSCustomTouchBarItem *tbItem = self.touchbarItems[currentPosition][@"tbItem"];
if (!tbItem.visible)
return;
NSTextField *curPosItem = self.touchbarItems[currentPosition][@"view"];
NSString *posFormat = [self formatTime:(int)floor(self.position)];
curPosItem.stringValue = posFormat;
[self removeConstraintForIdentifier:currentPosition];
if (self.duration <= 0) {
[self applyConstraintFromString:[self formatTime:self.position]
forIdentifier:currentPosition];
} else {
NSString *durFormat = [self formatTime:self.duration];
[self applyConstraintFromString:durFormat forIdentifier:currentPosition];
}
}
- (void)updatePlayButton
{
NSCustomTouchBarItem *tbItem = self.touchbarItems[play][@"tbItem"];
if (!self.isVisible || !tbItem.visible)
return;
NSButton *playButton = self.touchbarItems[play][@"view"];
if (self.pause) {
playButton.image = self.touchbarItems[play][@"imageAlt"];
} else {
playButton.image = self.touchbarItems[play][@"image"];
}
}
- (void)buttonAction:(NSButton *)sender
{
NSString *identifier = [self getIdentifierFromView:sender];
[self.app queueCommand:(char *)[self.touchbarItems[identifier][@"cmd"] UTF8String]];
}
- (void)seekbarChanged:(NSSlider *)slider
{
NSString *identifier = [self getIdentifierFromView:slider];
NSString *seek = [NSString stringWithFormat:
self.touchbarItems[identifier][@"cmd"], slider.doubleValue];
[self.app queueCommand:(char *)[seek UTF8String]];
}
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- (NSString *)formatTime:(int)time
{
int seconds = time % 60;
int minutes = (time / 60) % 60;
int hours = time / (60 * 60);
NSString *stime = hours > 0 ? [NSString stringWithFormat:@"%d:", hours] : @"";
stime = (stime.length > 0 || minutes > 9) ?
[NSString stringWithFormat:@"%@%02d:", stime, minutes] :
[NSString stringWithFormat:@"%d:", minutes];
stime = [NSString stringWithFormat:@"%@%02d", stime, seconds];
return stime;
}
- (void)removeConstraintForIdentifier:(NSTouchBarItemIdentifier)identifier
{
NSTextField *field = self.touchbarItems[identifier][@"view"];
[field removeConstraint:self.touchbarItems[identifier][@"constrain"]];
}
- (void)applyConstraintFromString:(NSString *)string
forIdentifier:(NSTouchBarItemIdentifier)identifier
{
NSTextField *field = self.touchbarItems[identifier][@"view"];
if (field) {
NSString *fString = [[string componentsSeparatedByCharactersInSet:
[NSCharacterSet decimalDigitCharacterSet]] componentsJoinedByString:@"0"];
NSTextField *textField = [NSTextField labelWithString:fString];
NSSize size = [textField frame].size;
NSLayoutConstraint *con =
[NSLayoutConstraint constraintWithItem:field
attribute:NSLayoutAttributeWidth
relatedBy:NSLayoutRelationEqual
toItem:nil
attribute:NSLayoutAttributeNotAnAttribute
multiplier:1.0
constant:(int)ceil(size.width*1.1)];
[field addConstraint:con];
[self.touchbarItems[identifier] setObject:con forKey:@"constrain"];
}
}
- (NSString *)getIdentifierFromView:(id)view
{
NSString *identifier;
for (identifier in self.touchbarItems)
if([self.touchbarItems[identifier][@"view"] isEqual:view])
break;
return identifier;
}
- (void)processEvent:(struct mpv_event *)event
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{
switch (event->event_id) {
case MPV_EVENT_END_FILE: {
self.position = 0;
self.duration = 0;
break;
}
case MPV_EVENT_PROPERTY_CHANGE: {
[self handlePropertyChange:(mpv_event_property *)event->data];
break;
}
default:
break;
}
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}
- (void)handlePropertyChange:(struct mpv_event_property *)property
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{
NSString *name = [NSString stringWithUTF8String:property->name];
mpv_format format = property->format;
if ([name isEqualToString:@"time-pos"] && format == MPV_FORMAT_DOUBLE) {
double newPosition = *(double *)property->data;
newPosition = newPosition < 0 ? 0 : newPosition;
if ((int)(floor(newPosition) - floor(self.position)) != 0) {
self.position = newPosition;
[self updateTouchBarTimeItems];
}
} else if ([name isEqualToString:@"duration"] && format == MPV_FORMAT_DOUBLE) {
self.duration = *(double *)property->data;
[self updateTouchBarTimeItems];
} else if ([name isEqualToString:@"pause"] && format == MPV_FORMAT_FLAG) {
self.pause = *(int *)property->data;
[self updatePlayButton];
}
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}
@end