transmission/macosx/BadgeView.m

146 lines
4.9 KiB
Objective-C

/******************************************************************************
* $Id$
*
* Copyright (c) 2007-2012 Transmission authors and contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*****************************************************************************/
#import "BadgeView.h"
#import "NSStringAdditions.h"
#define BETWEEN_PADDING 2.0
@interface BadgeView (Private)
- (void) badge: (NSImage *) badge string: (NSString *) string atHeight: (CGFloat) height adjustForQuit: (BOOL) quit;
@end
@implementation BadgeView
- (id) initWithLib: (tr_session *) lib
{
if ((self = [super init]))
{
fLib = lib;
fDownloadRate = 0.0;
fUploadRate = 0.0;
fQuitting = NO;
}
return self;
}
- (void) dealloc
{
[fAttributes release];
[super dealloc];
}
- (BOOL) setRatesWithDownload: (CGFloat) downloadRate upload: (CGFloat) uploadRate
{
//only needs update if the badges were displayed or are displayed now
if (fDownloadRate == downloadRate && fUploadRate == uploadRate)
return NO;
fDownloadRate = downloadRate;
fUploadRate = uploadRate;
return YES;
}
- (void) setQuitting
{
fQuitting = YES;
}
- (void) drawRect: (NSRect) rect
{
[[NSApp applicationIconImage] drawInRect: rect fromRect: NSZeroRect operation: NSCompositeSourceOver fraction: 1.0];
if (fQuitting)
{
NSImage * quitBadge = [NSImage imageNamed: @"QuitBadge"];
[self badge: quitBadge string: NSLocalizedString(@"Quitting", "Dock Badger -> quit")
atHeight: (NSHeight(rect) - [quitBadge size].height) * 0.5 adjustForQuit: YES];
return;
}
const BOOL upload = fUploadRate >= 0.1,
download = fDownloadRate >= 0.1;
CGFloat bottom = 0.0;
if (upload)
{
NSImage * uploadBadge = [NSImage imageNamed: @"UploadBadge"];
[self badge: uploadBadge string: [NSString stringForSpeedAbbrev: fUploadRate] atHeight: bottom adjustForQuit: NO];
if (download)
bottom += [uploadBadge size].height + BETWEEN_PADDING; //download rate above upload rate
}
if (download)
[self badge: [NSImage imageNamed: @"DownloadBadge"] string: [NSString stringForSpeedAbbrev: fDownloadRate]
atHeight: bottom adjustForQuit: NO];
}
@end
@implementation BadgeView (Private)
- (void) badge: (NSImage *) badge string: (NSString *) string atHeight: (CGFloat) height adjustForQuit: (BOOL) quit
{
if (!fAttributes)
{
NSShadow * stringShadow = [[NSShadow alloc] init];
[stringShadow setShadowOffset: NSMakeSize(2.0, -2.0)];
[stringShadow setShadowBlurRadius: 4.0];
fAttributes = [[NSMutableDictionary alloc] initWithCapacity: 3];
[fAttributes setObject: [NSColor whiteColor] forKey: NSForegroundColorAttributeName];
[fAttributes setObject: stringShadow forKey: NSShadowAttributeName];
[stringShadow release];
}
NSRect badgeRect;
badgeRect.size = [badge size];
badgeRect.origin.x = 0.0;
badgeRect.origin.y = height;
[badge drawInRect: badgeRect fromRect: NSZeroRect operation: NSCompositeSourceOver fraction: 1.0];
//make sure text fits on the badge
CGFloat fontSize = 26.0;
NSSize stringSize;
do
{
[fAttributes setObject: [NSFont boldSystemFontOfSize: fontSize] forKey: NSFontAttributeName];
stringSize = [string sizeWithAttributes: fAttributes];
fontSize -= 1.0;
} while (NSWidth(badgeRect) < stringSize.width);
//string is in center of image
NSRect stringRect;
stringRect.origin.x = NSMidX(badgeRect) - stringSize.width * 0.5;
stringRect.origin.y = NSMidY(badgeRect) - stringSize.height * 0.5 + (quit ? 2.0 : 1.0); //adjust for shadow, extra for quit
stringRect.size = stringSize;
[string drawInRect: stringRect withAttributes: fAttributes];
}
@end