1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/widget/cocoa/nsIdleServiceX.mm Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,77 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#include "nsIdleServiceX.h"
1.9 +#include "nsObjCExceptions.h"
1.10 +#include "nsIServiceManager.h"
1.11 +#import <Foundation/Foundation.h>
1.12 +
1.13 +NS_IMPL_ISUPPORTS_INHERITED0(nsIdleServiceX, nsIdleService)
1.14 +
1.15 +bool
1.16 +nsIdleServiceX::PollIdleTime(uint32_t *aIdleTime)
1.17 +{
1.18 + NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
1.19 +
1.20 + kern_return_t rval;
1.21 + mach_port_t masterPort;
1.22 +
1.23 + rval = IOMasterPort(kIOMasterPortDefault, &masterPort);
1.24 + if (rval != KERN_SUCCESS)
1.25 + return false;
1.26 +
1.27 + io_iterator_t hidItr;
1.28 + rval = IOServiceGetMatchingServices(masterPort,
1.29 + IOServiceMatching("IOHIDSystem"),
1.30 + &hidItr);
1.31 +
1.32 + if (rval != KERN_SUCCESS)
1.33 + return false;
1.34 + NS_ASSERTION(hidItr, "Our iterator is null, but it ought not to be!");
1.35 +
1.36 + io_registry_entry_t entry = IOIteratorNext(hidItr);
1.37 + NS_ASSERTION(entry, "Our IO Registry Entry is null, but it shouldn't be!");
1.38 +
1.39 + IOObjectRelease(hidItr);
1.40 +
1.41 + NSMutableDictionary *hidProps;
1.42 + rval = IORegistryEntryCreateCFProperties(entry,
1.43 + (CFMutableDictionaryRef*)&hidProps,
1.44 + kCFAllocatorDefault, 0);
1.45 + if (rval != KERN_SUCCESS)
1.46 + return false;
1.47 + NS_ASSERTION(hidProps, "HIDProperties is null, but no error was returned.");
1.48 + [hidProps autorelease];
1.49 +
1.50 + id idleObj = [hidProps objectForKey:@"HIDIdleTime"];
1.51 + NS_ASSERTION([idleObj isKindOfClass: [NSData class]] ||
1.52 + [idleObj isKindOfClass: [NSNumber class]],
1.53 + "What we got for the idle object is not what we expect!");
1.54 +
1.55 + uint64_t time;
1.56 + if ([idleObj isKindOfClass: [NSData class]])
1.57 + [idleObj getBytes: &time];
1.58 + else
1.59 + time = [idleObj unsignedLongLongValue];
1.60 +
1.61 + IOObjectRelease(entry);
1.62 +
1.63 + // convert to ms from ns
1.64 + time /= 1000000;
1.65 + if (time > UINT32_MAX) // Overflow will occur
1.66 + return false;
1.67 +
1.68 + *aIdleTime = static_cast<uint32_t>(time);
1.69 +
1.70 + return true;
1.71 +
1.72 + NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(false);
1.73 +}
1.74 +
1.75 +bool
1.76 +nsIdleServiceX::UsePollMode()
1.77 +{
1.78 + return true;
1.79 +}
1.80 +
