transmission/macosx/BadgeView.mm

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/******************************************************************************
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* 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
- (instancetype)initWithLib:(tr_session*)lib
{
if ((self = [super init]))
{
fLib = lib;
fDownloadRate = 0.0;
fUploadRate = 0.0;
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fQuitting = NO;
}
return self;
}
- (BOOL)setRatesWithDownload:(CGFloat)downloadRate upload:(CGFloat)uploadRate
{
//only needs update if the badges were displayed or are displayed now
if (fDownloadRate == downloadRate && fUploadRate == uploadRate)
{
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return NO;
}
fDownloadRate = downloadRate;
fUploadRate = uploadRate;
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return YES;
}
- (void)setQuitting
{
fQuitting = YES;
}
- (void)drawRect:(NSRect)rect
{
[NSApp.applicationIconImage drawInRect:rect fromRect:NSZeroRect operation:NSCompositingOperationSourceOver fraction:1.0];
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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];
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return;
}
BOOL const upload = fUploadRate >= 0.1;
BOOL const 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.shadowOffset = NSMakeSize(2.0, -2.0);
stringShadow.shadowBlurRadius = 4.0;
fAttributes = [[NSMutableDictionary alloc] initWithCapacity:3];
fAttributes[NSForegroundColorAttributeName] = NSColor.whiteColor;
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fAttributes[NSShadowAttributeName] = stringShadow;
}
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NSRect badgeRect;
badgeRect.size = badge.size;
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badgeRect.origin.x = 0.0;
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badgeRect.origin.y = height;
[badge drawInRect:badgeRect fromRect:NSZeroRect operation:NSCompositingOperationSourceOver fraction:1.0];
//make sure text fits on the badge
CGFloat fontSize = 26.0;
NSSize stringSize;
do
{
fAttributes[NSFontAttributeName] = [NSFont boldSystemFontOfSize:fontSize];
stringSize = [string sizeWithAttributes:fAttributes];
fontSize -= 1.0;
} while (NSWidth(badgeRect) < stringSize.width);
//string is in center of image
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NSRect stringRect;
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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
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stringRect.size = stringSize;
[string drawInRect:stringRect withAttributes:fAttributes];
}
@end