CPUUsageMonitor.h

   1 //
   2 //  CPUUsageMonitor.h
   3 //  CPU Usage
   4 //
   5 //  Created by Peter Hosey on 2006-06-21.
   6 //  Copyright 2006 Peter Hosey. All rights reserved.
   7 //
   8
   9 #import <Cocoa/Cocoa.h>
  10
  11 #include <mach/mach.h>
  12 #include <mach/processor_info.h>
  13 #include <mach/mach_host.h>
  14
  15 enum CPUUsageOrientation {
  16         CPUUsageOrientationVertical,
  17         CPUUsageOrientationHorizontal,
  18         CPUUsageOrientationRectangular
  19 };
  20
  21 @interface CPUUsageMonitor : NSObject {
  22         NSWindow *window;
  23         NSPanel *dockIconWindow; //Dock icon view is put in here.
  24
  25         //Preferences views.
  26         IBOutlet NSPanel *preferencesPanel;
  27         NSColor *backgroundColor;
  28         float cellWidth, cellHeight;
  29         IBOutlet NSTextField *widthField, *heightField;
  30         IBOutlet NSButton *horizontalButton, *verticalButton, *rectangularButton;
  31
  32         IBOutlet NSMenu *contextualMenu;
  33
  34         NSMutableArray *usageViews, *dockIconUsageViews;
  35         NSView *dockIconUsageViewsContainingView;
  36         enum CPUUsageOrientation orientation;
  37         BOOL shouldDrawToDockIcon, shouldDrawToWindow;
  38
  39         NSTimer *updateTimer;
  40         processor_info_array_t lastProcessorInfo;
  41         mach_msg_type_number_t numLastProcessorInfo;
  42         unsigned numCPUs;
  43         float *CPUUsage;
  44         NSLock *CPUUsageLock, *deathLock;
  45         unsigned threadsRemainingToDie;
  46         BOOL threadsShouldExit;
  47
  48         //Saved preferences, for restoration after Cancel.
  49         NSColor *savedBackgroundColor;
  50         NSSize   savedCellSize;
  51         enum CPUUsageOrientation savedOrientation;
  52 }
  53
  54 #pragma mark Accessors
  55
  56 - (NSColor *)backgroundColor;
  57 - (void)setBackgroundColor:(NSColor *)newBackgroundColor;
  58
  59 - (float)cellWidth;
  60 - (void)setCellWidth:(float)newCellWidth;
  61
  62 - (float)cellHeight;
  63 - (void)setCellHeight:(float)newCellHeight;
  64
  65 - (BOOL)shouldDrawToDockIcon;
  66 - (void)setShouldDrawToDockIcon:(BOOL)flag;
  67
  68 - (BOOL)shouldDrawToWindow;
  69 - (void)setShouldDrawToWindow:(BOOL)flag;
  70
  71 #pragma mark Actions
  72
  73 - (IBAction)setOrientationToVertical:sender;
  74 - (IBAction)setOrientationToHorizontal:sender;
  75 - (IBAction)setOrientationToRectangular:sender;
  76
  77 @end