/*
File: MyWindowController.m
Abstract: Source file for this sample's main NSWindowController.
Version: 1.0
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*/
#import "MyWindowController.h"
#import "SpeedometerView/SpeedometerView.h"
#import <IOKit/pwr_mgt/IOPM.h>
#import <IOKit/ps/IOPSKeys.h>
@implementation MyWindowController
// property synthesis
@synthesize useCustomBadge, useBadgeNumber, useBadgeNumberTimer, hasBattery, reflectBatteryLevel;
@synthesize dockSpeedView, dockImageView;
// which content to use in the dock tile:
enum {
kSpeedomederView = 1,
kImageView
};
// -------------------------------------------------------------------------------
// dealloc:
// -------------------------------------------------------------------------------
- (void)dealloc
{
self.dockSpeedView = nil;
self.dockImageView = nil;
[super dealloc];
}
// -------------------------------------------------------------------------------
// updateSpeedometer
//
// Update the speedometer view with the current battery level.
// -------------------------------------------------------------------------------
- (void)updateSpeedometer
{
// make sure the current doc view is the speedometer
if (reflectBatteryLevel && [dockTile contentView] == dockSpeedView)
{
// retrieve the power source data
CFTypeRef info = (CFTypeRef)IOPSCopyPowerSourcesInfo();
if (info)
{
// retrieve the array of power sources
NSArray* list = (NSArray*)IOPSCopyPowerSourcesList(info);
if (list)
{
// get the description info on our battery
NSDictionary* ups_Info = (NSDictionary*)IOPSGetPowerSourceDescription(info, [list objectAtIndex:0]);
if (ups_Info)
{
// compute the percent of power remaining on the battery
CGFloat t1 = [[ups_Info objectForKey:[NSString stringWithUTF8String:kIOPSCurrentCapacityKey]] floatValue];
CGFloat t2 = [[ups_Info objectForKey:[NSString stringWithUTF8String:kIOPSMaxCapacityKey]] floatValue];
CGFloat percentRemaining = (t1/t2)*100;
NSLog(@"level = %f", percentRemaining);
[windowSpeedView setSpeed: percentRemaining];
}
CFRelease(list);
}
CFRelease(info);
}
}
}
// -------------------------------------------------------------------------------
// powerSourceChange:
//
// We are being called to reflect the battery power change,
// the power source (battery or UPS) has changed.
// -------------------------------------------------------------------------------
void powerSourceChange(void* runLoopInfo)
{
MyWindowController* controller = runLoopInfo;
[controller updateSpeedometer];
}
// -------------------------------------------------------------------------------
// awakeFromNib:
// -------------------------------------------------------------------------------
-(void)awakeFromNib
{
// get our Dock tile to this app
dockTile = [NSApp dockTile];
// setup our image view for the dock tile
NSRect frame = NSMakeRect(0, 0, dockTile.size.width, dockTile.size.height);
dockImageView = [[NSImageView alloc] initWithFrame: frame];
[dockImageView setImage: [NSImage imageNamed:@"LakeDonPedro.jpg"]];
// by default, add it to the NSDockTile
[dockTile setContentView: dockImageView];
[dockTile display];
// create our speedometer view to be added to the dock tile when requested
[dockSpeedView = [SpeedometerView alloc] initWithFrame: frame];
// listen for changes in the speedometere's value via "key value observer"
[windowSpeedView addObserver: self
forKeyPath: @"speed"
options: (NSKeyValueObservingOptionNew | NSKeyValueObservingOptionOld)
context: NULL];
badgeCount = 0;
self.useBadgeNumber = NO; // default to not use badging
// check to see if this CPU has a battery installed
NSArray* batteryList;
if (kIOReturnSuccess != IOPMCopyBatteryInfo(kIOMasterPortDefault, &batteryList))
{
self.hasBattery = NO;
}
else
{
self.hasBattery = YES;
// since we are running on battery power, add a run-loop source (handler) to monitor the battery power,
// "powerSourceChange" will be called when the power source (battery or UPS) changes.
CFRunLoopSourceRef runLoopSource = (CFRunLoopSourceRef)IOPSNotificationCreateRunLoopSource(powerSourceChange, self);
if (runLoopSource)
{
CFRunLoopAddSource(CFRunLoopGetCurrent(), runLoopSource, kCFRunLoopDefaultMode);
CFRelease(runLoopSource);
}
[batteryList release];
}
// default to not reflect the battery level to the speedometer view
self.reflectBatteryLevel = NO;
}
#pragma mark - Badge Number Timer Support
// -------------------------------------------------------------------------------
// timer:
// -------------------------------------------------------------------------------
- (NSTimer*)timer
{
return [[timer retain] autorelease];
}
// -------------------------------------------------------------------------------
// setTimer:value
// -------------------------------------------------------------------------------
- (void)setTimer:(NSTimer*)value
{
if (timer != value)
{
[timer release];
timer = [value retain];
}
}
// -------------------------------------------------------------------------------
// updateBadgeTimer:object
// -------------------------------------------------------------------------------
- (void)updateBadgeTimer:(id)object
{
// start with an empty badge
NSMutableString* finalBadgeStr = [NSMutableString stringWithString:@""];
if (useCustomBadge)
[finalBadgeStr appendString:[customBadge stringValue]];
if (useBadgeNumber)
[finalBadgeStr appendString:[NSString stringWithFormat:@"%ld", badgeCount++]];
[dockTile setBadgeLabel:finalBadgeStr];
[dockTile display];
}
// -------------------------------------------------------------------------------
// updateProgress:timer
// -------------------------------------------------------------------------------
- (void)updateProgress:(NSTimer*)t
{
if (!useBadgeNumber || !useBadgeNumberTimer)
{
// stop the timer
[t invalidate];
[self setTimer: nil];
// reset the badge back to its original state,
// we must do this on the main thread is it affects our UI -
[self performSelectorOnMainThread: @selector(updateBadge:) withObject:nil waitUntilDone:YES];
}
// continue with timer operation - update the badge label with counter
// we must do this on the main thread is it affects our UI -
[self performSelectorOnMainThread: @selector(updateBadgeTimer:) withObject:nil waitUntilDone:YES];
}
// -------------------------------------------------------------------------------
// timerAction:sender
// -------------------------------------------------------------------------------
- (IBAction)timerAction:(id)sender
{
[progressGear setHidden:![[sender selectedCell] state]];
if ([[sender selectedCell] state])
{
[progressGear startAnimation:self];
badgeCount = 0;
[self setTimer: [NSTimer scheduledTimerWithTimeInterval: 1.0 // 1 second
target: self
selector: @selector(updateProgress:)
userInfo: nil
repeats: YES]];
}
else
{
[progressGear stopAnimation:self];
}
}
// -------------------------------------------------------------------------------
// batteryCheckAction:sender
//
// User clicked the "Reflect Battery Level" checkbox
// -------------------------------------------------------------------------------
- (IBAction)batteryCheckAction:(id)sender
{
if (hasBattery && reflectBatteryLevel)
{
// are we showing the speedometer view in the dock?
if ([dockTile contentView] == dockSpeedView)
{
// give the speedometer view its first update
[self updateSpeedometer];
}
}
}
#pragma mark -
// -------------------------------------------------------------------------------
// observeValueForKeyPath:ofObject:change:context
//
// Listen for changes in the SpeedometerView's value, then turn around and reflect
// the change to the SpeedometerView in the NSDockTile.
// -------------------------------------------------------------------------------
- (void)observeValueForKeyPath:(NSString*)keyPath
ofObject:(id)object
change:(NSDictionary*)change
context:(void *)context
{
[dockSpeedView setSpeed: [object speed]];
[dockTile display];
}
// -------------------------------------------------------------------------------
// dragInAction:sender
//
// User dragged an image into the image well.
// -------------------------------------------------------------------------------
- (IBAction)dragInAction:(id)sender
{
[imageView setImage:[imageView image]];
[dockImageView setImage: [imageView image]];
[dockTile display];
}
// -------------------------------------------------------------------------------
// updateBadge:obj
//
// Our timer has fired - update the badge string.
// -------------------------------------------------------------------------------
- (void)updateBadge:(id)obj
{
// start with an empty badge
NSMutableString* finalBadgeStr = [NSMutableString stringWithString:@""];
if (useCustomBadge)
[finalBadgeStr appendString:[customBadge stringValue]];
if (useBadgeNumber)
[finalBadgeStr appendString:[badgeNumber stringValue]];
[dockTile setBadgeLabel:finalBadgeStr];
[dockTile display];
}
// -------------------------------------------------------------------------------
// useBadgeNumber:sender
// -------------------------------------------------------------------------------
- (IBAction)useBadgeNumber:(id)sender
{
[self updateBadge:nil];
if (useBadgeNumberTimer)
[self timerAction:self];
}
// -------------------------------------------------------------------------------
// useCustomBadge:sender
// -------------------------------------------------------------------------------
- (IBAction)useCustomBadge:(id)sender
{
[self updateBadge:nil];
}
// -------------------------------------------------------------------------------
// whichViewAction:sender
//
// User clicked one of the radio buttons to change the image in the dock.
// -------------------------------------------------------------------------------
- (IBAction)whichViewAction:(id)sender
{
NSInteger tag = [[sender selectedCell] tag];
switch (tag)
{
case kSpeedomederView:
{
// set the dock tile's view to the speedometer view
[dockTile setContentView: dockSpeedView];
// now that we are using the speedometer view, possibly start our battery level indicator timer
[self batteryCheckAction:self];
break;
}
case kImageView:
{
// set the dock tile's view to the image view
[dockTile setContentView: dockImageView];
break;
}
}
[dockTile display];
}
// -------------------------------------------------------------------------------
// controlTextDidChange:notification
//
// The user changed the text in the custom badge or badge number edit fields.
// -------------------------------------------------------------------------------
- (void)controlTextDidChange:(NSNotification*)notification
{
NSMutableString* finalString = [NSMutableString stringWithString:@""];
if (useCustomBadge)
[finalString appendString: [customBadge stringValue]];
if (useBadgeNumber)
[finalString appendString: [badgeNumber stringValue]];
[dockTile setBadgeLabel: finalString];
}
// -------------------------------------------------------------------------------
// arrowsAction:sender
//
// User clicked the little arrows control (NSStepper).
// -------------------------------------------------------------------------------
- (IBAction)arrowsAction:(id)sender
{
[badgeNumber setIntValue: [sender integerValue]];
[self updateBadge:nil];
}
@end
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