macnotificationhandler.mm

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// Copyright (c) 2011-2013 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
#include "macnotificationhandler.h"
 
#undef slots
#include <Cocoa/Cocoa.h>
#import <objc/runtime.h>
 
// Add an obj-c category (extension) to return the expected bundle identifier
@implementation NSBundle (returnCorrectIdentifier)
- (NSString *)__bundleIdentifier {
    if (self == [NSBundle mainBundle]) {
        return @"org.bitcoinabc.BitcoinABC-Qt";
    } else {
        return [self __bundleIdentifier];
    }
}
@end
 
void MacNotificationHandler::showNotification(const QString &title,
                                              const QString &text) {
    // check if users OS has support for NSUserNotification
    if (this->hasUserNotificationCenterSupport()) {
        NSUserNotification *userNotification =
            [[NSUserNotification alloc] init];
        userNotification.title = title.toNSString();
        userNotification.informativeText = text.toNSString();
        [[NSUserNotificationCenter defaultUserNotificationCenter]
            deliverNotification:userNotification];
        [userNotification release];
    }
}
 
bool MacNotificationHandler::hasUserNotificationCenterSupport() {
    Class possibleClass = NSClassFromString(@"NSUserNotificationCenter");
 
    // check if users OS has support for NSUserNotification
    if (possibleClass != nil) {
        return true;
    }
    return false;
}
 
MacNotificationHandler *MacNotificationHandler::instance() {
    static MacNotificationHandler *s_instance = nullptr;
    if (!s_instance) {
        s_instance = new MacNotificationHandler();
 
        Class aPossibleClass = objc_getClass("NSBundle");
        if (aPossibleClass) {
            // change NSBundle -bundleIdentifier method to return a correct
            // bundle identifier a bundle identifier is required to use OSXs
            // User Notification Center
            method_exchangeImplementations(
                class_getInstanceMethod(aPossibleClass,
                                        @selector(bundleIdentifier)),
                class_getInstanceMethod(aPossibleClass,
                                        @selector(__bundleIdentifier)));
        }
    }
    return s_instance;
}