transmission/macosx/BadgeView.m

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/******************************************************************************
* $Id$
*
* Copyright (c) 2007 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"
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#define BOTTOM_PADDING 2.0
#define BETWEEN_PADDING 2.0
@interface BadgeView (Private)
- (void) badgeString: (NSString *) string forRect: (NSRect) rect;
@end
@implementation BadgeView
- (id) initWithFrame: (NSRect) frame lib: (tr_handle *) lib
{
if ((self = [super initWithFrame: frame]))
{
fLib = lib;
}
return self;
}
- (void) dealloc
{
[fAttributes release];
[super dealloc];
}
- (void) drawRect: (NSRect) rect
{
[[NSImage imageNamed: @"NSApplicationIcon"] drawInRect: rect fromRect: NSZeroRect operation: NSCompositeSourceOver fraction: 1.0];
BOOL checkDownload = [[NSUserDefaults standardUserDefaults] boolForKey: @"BadgeDownloadRate"],
checkUpload = [[NSUserDefaults standardUserDefaults] boolForKey: @"BadgeUploadRate"];
if (checkDownload || checkUpload)
{
//set upload and download rate badges
NSString * downloadRateString = nil, * uploadRateString = nil;
float downloadRate, uploadRate;
tr_torrentRates(fLib, &downloadRate, &uploadRate);
if (checkDownload && downloadRate >= 0.1)
downloadRateString = [NSString stringForSpeedAbbrev: downloadRate];
if (checkUpload && uploadRate >= 0.1)
uploadRateString = [NSString stringForSpeedAbbrev: uploadRate];
if (uploadRateString || downloadRateString)
{
NSRect badgeRect = NSZeroRect;
badgeRect.size = [[NSImage imageNamed: @"UploadBadge"] size];
//ignore shadow of badge when placing string
NSRect stringRect = badgeRect;
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stringRect.size.height -= BOTTOM_PADDING;
stringRect.origin.y += BOTTOM_PADDING;
if (uploadRateString)
{
//place badge and text
[[NSImage imageNamed: @"UploadBadge"] drawInRect: badgeRect fromRect: NSZeroRect
operation: NSCompositeSourceOver fraction: 1.0];
[self badgeString: uploadRateString forRect: stringRect];
}
if (downloadRateString)
{
//download rate above upload rate
if (uploadRateString)
{
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float spaceBetween = badgeRect.size.height + BETWEEN_PADDING;
badgeRect.origin.y += spaceBetween;
stringRect.origin.y += spaceBetween;
}
//place badge and text
[[NSImage imageNamed: @"DownloadBadge"] drawInRect: badgeRect fromRect: NSZeroRect
operation: NSCompositeSourceOver fraction: 1.0];
[self badgeString: downloadRateString forRect: stringRect];
}
}
}
}
@end
@implementation BadgeView (Private)
//dock icon must have locked focus
- (void) badgeString: (NSString *) string forRect: (NSRect) rect
{
if (!fAttributes)
{
NSShadow * stringShadow = [[NSShadow alloc] init];
[stringShadow setShadowOffset: NSMakeSize(2.0, -2.0)];
[stringShadow setShadowBlurRadius: 4.0];
fAttributes = [[NSDictionary alloc] initWithObjectsAndKeys:
[NSColor whiteColor], NSForegroundColorAttributeName,
[NSFont boldSystemFontOfSize: 26.0], NSFontAttributeName, stringShadow, NSShadowAttributeName, nil];
[stringShadow release];
}
NSSize stringSize = [string sizeWithAttributes: fAttributes];
//string is in center of image
rect.origin.x += (rect.size.width - stringSize.width) * 0.5;
rect.origin.y += (rect.size.height - stringSize.height) * 0.5;
[string drawAtPoint: rect.origin withAttributes: fAttributes];
}
@end