AssertionServicesSPI.h [plain text]
#import <Foundation/Foundation.h>
#if USE(APPLE_INTERNAL_SDK)
#import <AssertionServices/BKSApplicationStateMonitor.h>
#import <AssertionServices/BKSProcess.h>
#import <AssertionServices/BKSProcessAssertion.h>
#else
enum {
BKSApplicationStateUnknown = 0,
BKSApplicationStateTerminated = (1 << 0),
BKSApplicationStateBackgroundTaskSuspended = (1 << 1),
BKSApplicationStateBackgroundRunning = (1 << 2),
BKSApplicationStateForegroundRunning = (1 << 3),
BKSApplicationStateProcessServer = (1 << 4),
BKSApplicationStateForegroundRunningObscured = (1 << 5),
};
typedef uint32_t BKSApplicationState;
extern NSString * const BKSApplicationStateMostElevatedStateForProcessIDKey;
extern NSString * const BKSApplicationStateProcessIDKey;
typedef void(^BKSApplicationStateChangedHandler)(NSDictionary *userInfo);
@interface BKSApplicationStateMonitor : NSObject
@property (nonatomic, copy) BKSApplicationStateChangedHandler handler;
- (BKSApplicationState)mostElevatedApplicationStateForPID:(pid_t)pid;
- (void)invalidate;
@end
enum {
BKSProcessAssertionNone = 0,
BKSProcessAssertionPreventTaskSuspend = 1 << 0,
BKSProcessAssertionPreventTaskThrottleDown = 1 << 1,
BKSProcessAssertionAllowIdleSleep = 1 << 2,
BKSProcessAssertionWantsForegroundResourcePriority = 1 << 3,
BKSProcessAssertionAllowSuspendOnSleep = 1 << 4,
};
typedef uint32_t BKSProcessAssertionFlags;
enum {
BKSProcessAssertionReasonMediaPlayback = 1,
BKSProcessAssertionReasonFinishTask = 4,
BKSProcessAssertionReasonExtension = 13,
BKSProcessAssertionReasonFinishTaskUnbounded = 10004,
};
typedef uint32_t BKSProcessAssertionReason;
typedef void (^BKSProcessAssertionInvalidationHandler)(void);
typedef void (^BKSProcessAssertionAcquisitionHandler)(BOOL acquired);
@interface BKSProcessAssertion : NSObject
@end
@interface BKSProcessAssertion ()
@property (nonatomic, assign) BKSProcessAssertionFlags flags;
- (id)initWithPID:(pid_t)pid flags:(BKSProcessAssertionFlags)flags reason:(BKSProcessAssertionReason)reason name:(NSString *)name withHandler:(BKSProcessAssertionAcquisitionHandler)handler;
@property (nonatomic, copy) BKSProcessAssertionInvalidationHandler invalidationHandler;
- (void)invalidate;
@end
enum {
BKSProcessTaskStateNone,
BKSProcessTaskStateRunning,
BKSProcessTaskStateSuspended,
};
typedef uint32_t BKSProcessTaskState;
@class BKSProcess;
@protocol BKSProcessDelegate <NSObject>
@optional
- (void)process:(BKSProcess *)process taskStateDidChange:(BKSProcessTaskState)newState;
@end
@interface BKSProcess : NSObject
@end
@interface BKSProcess ()
+ (BKSProcess *)currentProcess;
@property (nonatomic, readwrite, weak) id <BKSProcessDelegate> delegate;
@property (nonatomic, readonly, assign) BKSProcessTaskState taskState;
@end
#endif