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AppDelegate.m
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// This file is part of Scroll Reverser <https://pilotmoon.com/scrollreverser/>
// Licensed under Apache License v2.0 <http://www.apache.org/licenses/LICENSE-2.0>
#import "AppDelegate.h"
#import "StatusItemController.h"
#import "MouseTap.h"
#import "WelcomeWindowController.h"
#import "PrefsWindowController.h"
#import "DebugWindowController.h"
#import "TestWindowController.h"
#import "TapLogger.h"
#import <Sparkle/SUUpdater.h>
NSString *const PrefsReverseScrolling=@"InvertScrollingOn";
NSString *const PrefsReverseHorizontal=@"ReverseX";
NSString *const PrefsReverseVertical=@"ReverseY";
NSString *const PrefsReverseTrackpad=@"ReverseTrackpad";
NSString *const PrefsReverseMouse=@"ReverseMouse";
NSString *const PrefsHasRunBefore=@"HasRunBefore";
NSString *const PrefsHideIcon=@"HideIcon";
NSString *const PrefsBetaUpdates=@"BetaUpdates";
static void *_contextHideIcon=&_contextHideIcon;
static void *_contextEnabled=&_contextEnabled;
static void *_contextPermissions=&_contextPermissions;
@implementation AppDelegate
+ (void)initialize
{
if ([self class]==[AppDelegate class])
{
[[NSUserDefaults standardUserDefaults] registerDefaults:@{
PrefsReverseScrolling: @(NO),
PrefsReverseHorizontal: @(NO),
PrefsReverseVertical: @(YES),
PrefsReverseTrackpad: @(YES),
PrefsReverseMouse: @(YES),
LoggerMaxEntries: @(50000),
}];
}
}
- (void)relaunch
{
// based on https://gist.github.com/cdfmr/2204627
const int processID=[[NSProcessInfo processInfo] processIdentifier];
NSString *const command=[NSString stringWithFormat:@"logger \"waiting for pid %1$d\"; while kill -0 %1$d >/dev/null 2>&1; do sleep 0.01; done; logger \"restarting Scroll Reverser\"; open \"%2$@\"", processID, [[NSBundle mainBundle] bundlePath]];
NSLog(@"[%@]", command);
NSTask *const task=[[NSTask alloc] init];
[task setLaunchPath:@"/bin/sh"];
[task setArguments:@[@"-c", command]];
[task launch];
[NSApp terminate:nil];
}
- (BOOL)alreadyRunning
{
const BOOL alreadyRunning=^BOOL {
for (NSRunningApplication *app in [[NSWorkspace sharedWorkspace] runningApplications]) {
if (![app isEqual:[NSRunningApplication currentApplication]]) {
if ([app.bundleIdentifier isEqualToString:[NSRunningApplication currentApplication].bundleIdentifier]) {
return YES;
}
}
}
return NO;
}();
if (alreadyRunning) {
NSAlert *alert=[[NSAlert alloc] init];
alert.messageText=[NSString stringWithFormat:NSLocalizedString(@"%@ is already running.", nil), self.appName];
alert.informativeText=[NSString stringWithFormat:NSLocalizedString(@"%@ cannot start while another copy is running.", nil), self.appName];
[alert addButtonWithTitle:NSLocalizedString(@"Quit", nil)];
[alert runModal];
}
return alreadyRunning;
}
- (NSURL *)feedURL
{
if ([[NSUserDefaults standardUserDefaults] boolForKey:PrefsBetaUpdates]) { // if version string has a dash, it's a beta
return [NSURL URLWithString:@"https://softwareupdate.pilotmoon.com/update/scrollreverser/appcast-beta.xml"];
}
else {
return [NSURL URLWithString:@"https://softwareupdate.pilotmoon.com/update/scrollreverser/appcast.xml"];
}
}
- (BOOL)application:(NSApplication *)sender delegateHandlesKey:(NSString *)key
{
return [key isEqualToString:@"enabled"];
}
- (id)init
{
self=[super init];
if (self) {
if([self alreadyRunning]) {
quitting=YES;
dispatch_async(dispatch_get_main_queue(), ^{
[NSApp terminate:nil];
});
}
else {
tap=[[MouseTap alloc] init];
statusController=[[StatusItemController alloc] init];
statusController.statusItemDelegate=self;
statusController.visible=![[NSUserDefaults standardUserDefaults] boolForKey:PrefsHideIcon];
[[NSUserDefaults standardUserDefaults] addObserver:self forKeyPath:PrefsHideIcon options:0 context:_contextHideIcon];
_permissionsManager=[[PermissionsManager alloc] init];
[[SUUpdater sharedUpdater] setDelegate:self];
[[SUUpdater sharedUpdater] setFeedURL:[self feedURL]];
}
}
return self;
}
- (void)dealloc
{
[[[NSWorkspace sharedWorkspace] notificationCenter] removeObserver:self];
}
- (void)awakeFromNib
{
if(quitting) return;
[statusController attachMenu:statusMenu];
}
- (void)applicationDidFinishLaunching:(NSNotification *)aNotification
{
if(quitting) return;
[NSApp setMainMenu:self.theMainMenu];
const BOOL first=![[NSUserDefaults standardUserDefaults] boolForKey:PrefsHasRunBefore];
[[NSUserDefaults standardUserDefaults] setBool:YES forKey:PrefsHasRunBefore];
if(first) {
welcomeWindowController=[[WelcomeWindowController alloc] initWithWindowNibName:@"WelcomeWindow"];
[welcomeWindowController showWindow:self];
}
[[[NSWorkspace sharedWorkspace] notificationCenter] addObserver:self selector:@selector(appDidWake:) name:NSWorkspaceDidWakeNotification object:nil];
[[[NSWorkspace sharedWorkspace] notificationCenter] addObserver:self selector:@selector(appWillSleep:) name:NSWorkspaceWillSleepNotification object:nil];
NSLog(@"Scroll Reverser ready. Option-click the Scroll Reverser menu bar icon to show the debug console.");
// observe permissions
[self.permissionsManager addObserver:self
forKeyPath:PermissionsManagerKeyHasAllRequiredPermissions
options:NSKeyValueObservingOptionInitial
context:_contextPermissions];
// kick things off
BOOL enabledInPrefs=[[NSUserDefaults standardUserDefaults] boolForKey:PrefsReverseScrolling];
[self addObserver:self forKeyPath:@"enabled" options:NSKeyValueObservingOptionInitial context:_contextEnabled];
NSLog(@"Setting enable to %d", enabledInPrefs);
self.enabled=enabledInPrefs;
}
- (void)appDidWake:(NSNotification *)note
{
[self logAppEvent:@"OS woke from sleep"];
NSLog(@"Scroll Reverser will relaunch itself because the OS woke from sleep.");
[self relaunch];
}
- (void)appWillSleep:(NSNotification *)note
{
[self logAppEvent:@"OS is going to sleep"];
}
- (NSString *)settingsSummary
{
NSString *(^yn)(NSString *, BOOL) = ^(NSString *label, BOOL state) {
return [NSString stringWithFormat:@"[%@ %@]", label, state?@"yes":@"no"];
};
NSString *temp=yn(@"on", [[NSUserDefaults standardUserDefaults] boolForKey:PrefsReverseScrolling]);
temp=[temp stringByAppendingString:yn(@"v", [[NSUserDefaults standardUserDefaults] boolForKey:PrefsReverseVertical])];
temp=[temp stringByAppendingString:yn(@"h", [[NSUserDefaults standardUserDefaults] boolForKey:PrefsReverseHorizontal])];
temp=[temp stringByAppendingString:yn(@"trackpad", [[NSUserDefaults standardUserDefaults] boolForKey:PrefsReverseTrackpad])];
temp=[temp stringByAppendingString:yn(@"mouse/other", [[NSUserDefaults standardUserDefaults] boolForKey:PrefsReverseMouse])];
return temp;
}
- (void)logAppEvent:(NSString *)str
{
[logger logMessage:[NSString stringWithFormat:@"%@ %@", str, [self settingsSummary]] special:YES];
}
- (void)toggleReversing
{
const BOOL state=[[NSUserDefaults standardUserDefaults] boolForKey:PrefsReverseScrolling];
[[NSUserDefaults standardUserDefaults] setBool:!state forKey:PrefsReverseScrolling];
}
- (Logger *)startLogging
{
if (!logger) {
logger=[[TapLogger alloc] init];
tap->logger=logger;
}
return logger;
}
- (IBAction)showDebug:(id)sender
{
[NSApp activateIgnoringOtherApps:YES];
if(!debugWindowController) {
debugWindowController=[[DebugWindowController alloc] initWithWindowNibName:@"DebugWindow"];
debugWindowController.logger=[self startLogging];
}
[debugWindowController showWindow:self];
}
- (IBAction)showPrefs:(id)sender
{
[NSApp activateIgnoringOtherApps:YES];
if(!prefsWindowController) {
prefsWindowController=[[PrefsWindowController alloc] initWithWindowNibName:@"PrefsWindow"];
}
[prefsWindowController showWindow:self];
}
- (IBAction)showAbout:(id)sender
{
[prefsWindowController close];
[NSApp activateIgnoringOtherApps:YES];
NSDictionary *dict=@{@"ApplicationName": @"Scroll Reverser"};
[NSApp orderFrontStandardAboutPanelWithOptions:dict];
}
- (IBAction)showTestWindow:(id)sender
{
[NSApp activateIgnoringOtherApps:YES];
if(!testWindowController) {
testWindowController=[[TestWindowController alloc] initWithWindowNibName:@"TestWindow"];
}
[testWindowController showWindow:self];
}
- (BOOL)applicationShouldHandleReopen:(NSApplication *)theApplication hasVisibleWindows:(BOOL)flag
{
[[NSUserDefaults standardUserDefaults] setBool:NO forKey:PrefsHideIcon];
[statusController openMenu];
return NO;
}
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
{
if (context==_contextHideIcon) {
BOOL wasVisible=statusController.visible;
statusController.visible=![[NSUserDefaults standardUserDefaults] boolForKey:PrefsHideIcon];;
if (wasVisible&&!statusController.visible)
{
[NSApp activateIgnoringOtherApps:YES];
NSAlert *alert=[[NSAlert alloc] init];
alert.messageText=NSLocalizedString(@"Status Icon Hidden",nil);
alert.informativeText=[NSString stringWithFormat:NSLocalizedString(@"MENU_HIDDEN_TEXT", @"text shown when the menu bar icon is hidden")];
[alert runModal];
}
}
else if (context==_contextEnabled) {
statusController.enabled=self.enabled;
[[NSUserDefaults standardUserDefaults] setBool:self.enabled forKey:PrefsReverseScrolling];
}
else if (context==_contextPermissions) {
if(!self.permissionsManager.hasAllRequiredPermissions) {
self.enabled=NO;
}
}
}
#pragma mark Enabled
- (void)setEnabled:(BOOL)enabled
{
tap.active=enabled;
// in case changing active state fails, force refresh of the triggering button
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
[self willChangeValueForKey:@"enabled"];
[self didChangeValueForKey:@"enabled"];
if (enabled&&!self.enabled) {
// failed to enable
[self showPermissionsUI];
}
});
}
- (BOOL)isEnabled
{
return tap.active;
}
+ (NSSet *)keyPathsForValuesAffectingEnabled {
return [NSSet setWithObject:@"tap.active"];
}
#pragma mark Status item handling
- (void)statusItemClicked
{
// do nothing
}
- (void)statusItemRightClicked
{
[self toggleReversing];
}
- (void)statusItemAltClicked
{
[self showDebug:self];
}
#pragma mark Permissions
- (void)refreshPermissions
{
[self.permissionsManager refresh];
}
- (void)showPermissionsUI
{
[self showPrefs:self];
[prefsWindowController showPermissionsSheet:self];
}
#pragma mark Sparkle delegate methods
- (NSArray *)feedParametersForUpdater:(SUUpdater *)updater sendingSystemProfile:(BOOL)sendingProfile
{
NSLog(@"Checking for updates at %@", [updater feedURL]);
return [NSArray array];
}
#pragma mark App info
- (NSString *)appName {
return @"Scroll Reverser";
}
- (NSString *)appVersion {
return [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleShortVersionString"];
}
- (NSString *)appCredit {
return @"by Nick Moore";
}
- (NSURL *)appLink {
return [NSURL URLWithString:@"https://pilotmoon.com/link/scrollreverser"];
}
- (NSString *)appDisplayLink {
return @"pilotmoon.com/scrollreverser";
}
- (NSURL *)appPermissionsHelpLink {
return [NSURL URLWithString:@"https://pilotmoon.com/link/scrollreverser/help/permissions"];
}
#pragma mark Strings
- (NSString *)menuStringReverseScrolling {
return NSLocalizedString(@"Enable Scroll Reverser", nil);
}
- (NSString *)menuStringPreferences {
return [NSLocalizedString(@"Preferences", nil) stringByAppendingString:@"..."];
}
- (NSString *)menuStringQuit {
return NSLocalizedString(@"Quit Scroll Reverser", nil);
}
@end