-
Notifications
You must be signed in to change notification settings - Fork 19
/
AppDelegate.m
386 lines (334 loc) · 13 KB
/
AppDelegate.m
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
//
// AppDelegate.m
// GoogleMusic
//
// Created by James Fator on 5/16/13.
//
#import "AppDelegate.h"
#import "LastFm/LastFm.h"
#import "SSKeychain.h"
#define SESSION_KEY @"lastfm.session"
#define USERNAME_KEY @"lastfm.username"
#define NOTIF_ENABLED_KEY @"notifications.enabled"
#define LASTFM_ENABLED_KEY @"lastfm.enabled"
static NSString *kServiceName = @"GoogleMusicMac";
@implementation AppDelegate
@synthesize webView;
@synthesize window;
// Terminate on window close
- (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)theApplication
{ return YES; }
/**
* Set defaults.
*/
+ (void)initialize
{
// Register default preferences.
NSString *prefsPath = [[NSBundle mainBundle] pathForResource:@"Preferences" ofType:@"plist"];
NSDictionary *prefs = [NSDictionary dictionaryWithContentsOfFile:prefsPath];
[[NSUserDefaults standardUserDefaults] registerDefaults:prefs];
}
/**
* Application finished launching, we will register the event tap callback.
*/
- (void)applicationDidFinishLaunching:(NSNotification *)aNotification
{
// Load the user preferences.
_defaults = [NSUserDefaults standardUserDefaults];
// Add an event tap to intercept the system defined media key events
eventTap = CGEventTapCreate(kCGSessionEventTap,
kCGHeadInsertEventTap,
kCGEventTapOptionDefault,
CGEventMaskBit(NX_SYSDEFINED),
event_tap_callback,
(__bridge void *)(self));
if (!eventTap) {
fprintf(stderr, "failed to create event tap\n");
exit(1);
}
// Create a run loop source.
eventPortSource = CFMachPortCreateRunLoopSource( kCFAllocatorDefault, eventTap, 0 );
// Enable the event tap.
CGEventTapEnable(eventTap, true);
// Let's do this in a separate thread so that a slow app doesn't lag the event tap
[NSThread detachNewThreadSelector:@selector(eventTapThread) toTarget:self withObject:nil];
// Load the main page
[webView setAppDelegate:self];
[webView setFrameLoadDelegate:self];
[[webView preferences] setPlugInsEnabled:YES];
NSURL *url = [NSURL URLWithString:@"https://play.google.com/music"];
NSURLRequest *request = [NSURLRequest requestWithURL:url];
[[webView mainFrame] loadRequest:request];
// Initialize LastFm
[self initLastFM:self];
}
#pragma mark - Event tap methods
/**
* eventTapThread is the selector that adds the callback thread into the loop.
*/
- (void)eventTapThread;
{
CFRunLoopRef tapThreadRL = CFRunLoopGetCurrent();
CFRunLoopAddSource( tapThreadRL, eventPortSource, kCFRunLoopCommonModes );
CFRunLoopRun();
}
/**
* event_tap_callback is the event callback that recognizes the keys we want
* and launches the assigned commands.
*/
static CGEventRef event_tap_callback(CGEventTapProxy proxy,
CGEventType type,
CGEventRef event,
void *refcon)
{
AppDelegate *self = (__bridge AppDelegate *)(refcon);
if(type == kCGEventTapDisabledByTimeout || type == kCGEventTapDisabledByUserInput) {
CGEventTapEnable(self->eventTap, TRUE);
return event;
}
if (!(type == NX_SYSDEFINED) || (type == NX_KEYDOWN))
return event;
NSEvent* keyEvent = [NSEvent eventWithCGEvent: event];
if (keyEvent.type != NSSystemDefined || keyEvent.subtype != 8) return event;
int keyCode = (([keyEvent data1] & 0xFFFF0000) >> 16);
int keyFlags = ([keyEvent data1] & 0x0000FFFF);
int keyState = (((keyFlags & 0xFF00) >> 8)) == 0xA;
ProcessSerialNumber psn;
GetProcessForPID([[NSProcessInfo processInfo] processIdentifier], &psn);
switch( keyCode )
{
case NX_KEYTYPE_PLAY: // F8
if( keyState == 0 ) {
[self performSelectorOnMainThread:@selector(playPause)
withObject:nil waitUntilDone:NO];
}
return NULL;
case NX_KEYTYPE_FAST: // F9
case NX_KEYTYPE_NEXT:
if( keyState == 0 ) {
[self performSelectorOnMainThread:@selector(forwardAction)
withObject:nil waitUntilDone:NO];
}
return NULL;
case NX_KEYTYPE_REWIND: // F7
case NX_KEYTYPE_PREVIOUS:
if( keyState == 0 ) {
[self performSelectorOnMainThread:@selector(backAction)
withObject:nil waitUntilDone:NO];
}
return NULL;
}
return event;
}
# pragma mark - Play Actions
/**
* playPause toggles the playing status for the app
*/
- (void)playPause
{
CGEventRef keyDownEvent = CGEventCreateKeyboardEvent(nil, (CGKeyCode)49, true);
[window sendEvent:[NSEvent eventWithCGEvent:keyDownEvent]];
CFRelease(keyDownEvent);
}
/**
* forwardAction skips track forward
*/
- (void)forwardAction
{
CGEventRef keyDownEvent = CGEventCreateKeyboardEvent(nil, (CGKeyCode)124, true);
[window sendEvent:[NSEvent eventWithCGEvent:keyDownEvent]];
CFRelease(keyDownEvent);
}
/**
* backAction skips track backwards
*/
- (void)backAction
{
CGEventRef keyDownEvent = CGEventCreateKeyboardEvent(nil, (CGKeyCode)123, true);
[window sendEvent:[NSEvent eventWithCGEvent:keyDownEvent]];
CFRelease(keyDownEvent);
}
# pragma mark - Web Level
/**
* didFinishLoadForFrame is called when the Web Frame finished loading.
* We take this time to execute the main.js file
*/
- (void)webView:(WebView *)sender didFinishLoadForFrame:(WebFrame *)frame
{
[self evaluateJavaScriptFile:@"main"];
[[sender windowScriptObject] setValue:self forKey:@"googleMusicApp"];
}
/**
* evaluateJavaScriptFile will load the JS file and execute it in the webView.
*/
- (void)evaluateJavaScriptFile:(NSString*)name
{
NSString *file = [NSString stringWithFormat:@"js/%@", name];
NSString *path = [[NSBundle mainBundle] pathForResource:file ofType:@"js"];
NSString *js = [NSString stringWithContentsOfFile:path encoding:NSUTF8StringEncoding error:NULL];
[webView stringByEvaluatingJavaScriptFromString:js];
}
/**
* notifySong is called when the song is updated. We use this to either
* bring up a standard OSX notification or a 3rd party notification.
*/
- (void)notifySong:(NSString*)title withArtist:(NSString*)artist
album:(NSString*)album art:(NSString*)art time:(NSString*)time
{
// Notification Center
if ([_defaults boolForKey:NOTIF_ENABLED_KEY]) {
NSUserNotification *notif = [[NSUserNotification alloc] init];
notif.title = title;
notif.informativeText = [NSString stringWithFormat:@"%@ — %@", artist, album];
// Try to load the album art if possible.
if (art) {
NSURL *url = [NSURL URLWithString:art];
NSImage *image = [[NSImage alloc] initWithContentsOfURL:url];
notif.contentImage = image;
}
// Remove the previous notifications in order to make this notification appear immediately.
[[NSUserNotificationCenter defaultUserNotificationCenter] removeAllDeliveredNotifications];
// Deliver the notification.
[[NSUserNotificationCenter defaultUserNotificationCenter] deliverNotification:notif];
}
// Last.fm
if ([_defaults boolForKey:LASTFM_ENABLED_KEY]) {
NSTimeInterval duration = 0;
if (![time isEqualToString:@"Unknown"]) {
// If we have a time, convert to time interval
NSArray *timeSplit = [time componentsSeparatedByString:@":"];
@try {
duration += [timeSplit[0] intValue] * 60; // 60 seconds in minute
duration += [timeSplit[1] intValue]; // seconds
}
@catch (NSException *exception) {}
}
[[LastFm sharedInstance] sendScrobbledTrack:title byArtist:artist
onAlbum:album withDuration:duration
atTimestamp:(int)[[NSDate date] timeIntervalSince1970]
successHandler:^(NSDictionary *result)
{
// NSLog(@"result: %@", result);
} failureHandler:^(NSError *error) {
// NSLog(@"error: %@", error);
}];
}
}
/**
* webScriptNameForSelector will help the JS components access the notify selector.
*/
+ (NSString*)webScriptNameForSelector:(SEL)sel
{
if (sel == @selector(notifySong:withArtist:album:art:time:))
return @"notifySong";
return nil;
}
/**
* isSelectorExcludedFromWebScript will prevent notify from being excluded from script.
*/
+ (BOOL)isSelectorExcludedFromWebScript:(SEL)sel
{
if (sel == @selector(notifySong:withArtist:album:art:time:))
return NO;
return YES;
}
# pragma mark - Last.fm
/**
* initLastFM will start and stop the LastFm sharedInstance and log in if we can.
*/
- (IBAction)initLastFM:(id)sender
{
if ([_defaults boolForKey:LASTFM_ENABLED_KEY]) {
// Set the Last.fm session info
// THESE NEED TO BE REPLACED WITH DEVELOPER API CREDENTIALS
[LastFm sharedInstance].apiKey = @"xxx";
[LastFm sharedInstance].apiSecret = @"xxx";
[_loginButton setEnabled:YES];
[[LastFm sharedInstance] getSessionInfoWithSuccessHandler:^(NSDictionary *result) {
// Log in if we're already logged in
[_loginButton setTitle:[NSString stringWithFormat:@"Logout %@", result[@"name"]]];
[_loginButton setAction:@selector(logout)];
[self enableLoginForm:NO];
} failureHandler:^(NSError *error) {
// No, show login form
[self enableLoginForm:YES];
[_loginButton setTitle:@"Login"];
[_loginButton setAction:@selector(login)];
[self login];
}];
} else {
[self enableLoginForm:NO];
[_loginButton setTitle:@"Login"];
[_loginButton setAction:@selector(login)];
[_loginButton setEnabled:NO];
// Remove the securely stored password
NSString *username = [[NSUserDefaults standardUserDefaults] objectForKey:USERNAME_KEY];
[SSKeychain deletePasswordForService:kServiceName account:username];
[[NSUserDefaults standardUserDefaults] removeObjectForKey:USERNAME_KEY];
}
}
/**
* enableLoginForm will enable/disable the username/password fields.
* @param hide - whether or not we want to enable the fields
*/
- (void)enableLoginForm:(BOOL)hide
{
[_usernameField setEnabled:hide];
[_passwordField setEnabled:hide];
}
/**
* login will sign the user into LastFm scrobbling.
*/
- (void)login
{
NSString *username = _usernameField.stringValue;
NSString *password = _passwordField.stringValue;
if ([_passwordField.stringValue length] == 0) {
// Test if saved securely
username = [[NSUserDefaults standardUserDefaults] objectForKey:USERNAME_KEY];
if (username) {
_usernameField.stringValue = username;
password = [SSKeychain passwordForService:kServiceName account:username];
} else {
username = @"";
}
}
[[LastFm sharedInstance] getSessionForUser:username
password:password
successHandler:^(NSDictionary *result)
{
// Save the session into NSUserDefaults. It is loaded on app start up in AppDelegate.
[[NSUserDefaults standardUserDefaults] setObject:result[@"key"] forKey:SESSION_KEY];
[[NSUserDefaults standardUserDefaults] setObject:result[@"name"] forKey:USERNAME_KEY];
[[NSUserDefaults standardUserDefaults] synchronize];
// Also set the session of the LastFm object
[LastFm sharedInstance].session = result[@"key"];
[LastFm sharedInstance].username = result[@"name"];
// Show the logout button
[self.loginButton setTitle:[NSString stringWithFormat:@"Logout %@", result[@"name"]]];
[self.loginButton setAction:@selector(logout)];
[self enableLoginForm:NO];
// Store the credentials in Keychain securely
[SSKeychain setPassword:password forService:kServiceName account:username];
} failureHandler:^(NSError *error) {
// TODO: Error message
}];
// Clear the password
[_passwordField setStringValue:@""];
}
/**
* logout will sign the user out of LastFm scrobbling.
*/
- (void)logout
{
[self enableLoginForm:YES];
[_loginButton setTitle:@"Login"];
[_loginButton setAction:@selector(login)];
[[LastFm sharedInstance] logout];
[[NSUserDefaults standardUserDefaults] removeObjectForKey:SESSION_KEY];
// Remove the securely stored password
NSString *username = [[NSUserDefaults standardUserDefaults] objectForKey:USERNAME_KEY];
[SSKeychain deletePasswordForService:kServiceName account:username];
[[NSUserDefaults standardUserDefaults] removeObjectForKey:USERNAME_KEY];
}
@end