Bitcoin Core  0.19.99
P2P Digital Currency
macnotificationhandler.mm
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1 // Copyright (c) 2011-2019 The Bitcoin Core developers
2 // Distributed under the MIT software license, see the accompanying
3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
4 
6 
7 #undef slots
8 #import <objc/runtime.h>
9 #include <Cocoa/Cocoa.h>
10 
11 // Add an obj-c category (extension) to return the expected bundle identifier
13 - (NSString *)__bundleIdentifier
14 {
15  if (self == [NSBundle mainBundle]) {
16  return @"org.bitcoinfoundation.Bitcoin-Qt";
17  } else {
18  return [self __bundleIdentifier];
19  }
20 }
21 @end
22 
23 void MacNotificationHandler::showNotification(const QString &title, const QString &text)
24 {
25  // check if users OS has support for NSUserNotification
26  if(this->hasUserNotificationCenterSupport()) {
27  NSUserNotification* userNotification = [[NSUserNotification alloc] init];
28  userNotification.title = title.toNSString();
29  userNotification.informativeText = text.toNSString();
30  [[NSUserNotificationCenter defaultUserNotificationCenter] deliverNotification: userNotification];
31  [userNotification release];
32  }
33 }
34 
36 {
37  Class possibleClass = NSClassFromString(@"NSUserNotificationCenter");
38 
39  // check if users OS has support for NSUserNotification
40  if(possibleClass!=nil) {
41  return true;
42  }
43  return false;
44 }
45 
46 
48 {
49  static MacNotificationHandler *s_instance = nullptr;
50  if (!s_instance) {
51  s_instance = new MacNotificationHandler();
52 
53  Class aPossibleClass = objc_getClass("NSBundle");
54  if (aPossibleClass) {
55  // change NSBundle -bundleIdentifier method to return a correct bundle identifier
56  // a bundle identifier is required to use OSXs User Notification Center
57  method_exchangeImplementations(class_getInstanceMethod(aPossibleClass, @selector(bundleIdentifier)),
58  class_getInstanceMethod(aPossibleClass, @selector(__bundleIdentifier)));
59  }
60  }
61  return s_instance;
62 }
bool hasUserNotificationCenterSupport()
check if OS can handle UserNotifications
static MacDockIconHandler * s_instance
static MacNotificationHandler * instance()
void showNotification(const QString &title, const QString &text)
shows a macOS 10.8+ UserNotification in the UserNotificationCenter
Macintosh-specific notification handler (supports UserNotificationCenter).