dash/src/qt/macnotificationhandler.mm
2014-12-16 15:56:50 +08:00

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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
#import <objc/runtime.h>
#include <Cocoa/Cocoa.h>
// Add an obj-c category (extension) to return the expected bundle identifier
@implementation NSBundle(returnCorrectIdentifier)
- (NSString *)__bundleIdentifier
{
if (self == [NSBundle mainBundle]) {
return @"org.bitcoinfoundation.Bitcoin-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()) {
// okay, seems like 10.8+
QByteArray utf8 = title.toUtf8();
char* cString = (char *)utf8.constData();
NSString *titleMac = [[NSString alloc] initWithUTF8String:cString];
utf8 = text.toUtf8();
cString = (char *)utf8.constData();
NSString *textMac = [[NSString alloc] initWithUTF8String:cString];
// do everything weak linked (because we will keep <10.8 compatibility)
id userNotification = [[NSClassFromString(@"NSUserNotification") alloc] init];
[userNotification performSelector:@selector(setTitle:) withObject:titleMac];
[userNotification performSelector:@selector(setInformativeText:) withObject:textMac];
id notificationCenterInstance = [NSClassFromString(@"NSUserNotificationCenter") performSelector:@selector(defaultUserNotificationCenter)];
[notificationCenterInstance performSelector:@selector(deliverNotification:) withObject:userNotification];
[titleMac release];
[textMac release];
[userNotification release];
}
}
// sendAppleScript just take a QString and executes it as apple script
void MacNotificationHandler::sendAppleScript(const QString &script)
{
QByteArray utf8 = script.toUtf8();
char* cString = (char *)utf8.constData();
NSString *scriptApple = [[NSString alloc] initWithUTF8String:cString];
NSAppleScript *as = [[NSAppleScript alloc] initWithSource:scriptApple];
NSDictionary *err = nil;
[as executeAndReturnError:&err];
[as release];
[scriptApple release];
}
bool MacNotificationHandler::hasUserNotificationCenterSupport(void)
{
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 = NULL;
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;
}