transmission/macosx/Badger.m

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/******************************************************************************
* $Id$
*
* Copyright (c) 2006 Transmission authors and contributors
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*
* 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.
*****************************************************************************/
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#import "Badger.h"
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#import "StringAdditions.h"
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@interface Badger (Private)
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- (void) badgeString: (NSString *) string forRect: (NSRect) rect;
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@end
@implementation Badger
- (id) init
{
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if ((self = [super init]))
{
fBadge = [NSImage imageNamed: @"Badge"];
fDockIcon = [[NSApp applicationIconImage] copy];
fBadgedDockIcon = [fDockIcon copy];
fUploadBadge = [NSImage imageNamed: @"UploadBadge"];
fDownloadBadge = [NSImage imageNamed: @"DownloadBadge"];
NSShadow * stringShadow = [[NSShadow alloc] init];
[stringShadow setShadowOffset: NSMakeSize(2.0, -2.0)];
[stringShadow setShadowBlurRadius: 4.0];
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fAttributes = [[NSDictionary alloc] initWithObjectsAndKeys:
[NSColor whiteColor], NSForegroundColorAttributeName,
[NSFont fontWithName: @"Helvetica-Bold" size: 28.0], NSFontAttributeName,
stringShadow, NSShadowAttributeName, nil];
[stringShadow release];
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fCompleted = 0;
fSpeedShown = NO;
}
return self;
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}
- (void) dealloc
{
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[fDockIcon release];
[fBadgedDockIcon release];
[fAttributes release];
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[super dealloc];
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}
- (void) updateBadgeWithCompleted: (int) completed
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uploadRate: (float) uploadRate
downloadRate: (float) downloadRate
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{
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NSImage * dockIcon = nil;
NSSize iconSize = [fDockIcon size];
//set completed badge
if (fCompleted != completed)
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{
fCompleted = completed;
dockIcon = [fDockIcon copy];
//set completed badge to top right
if (completed > 0)
{
NSRect badgeRect;
badgeRect.size = [fBadge size];
badgeRect.origin.x = iconSize.width - badgeRect.size.width;
badgeRect.origin.y = iconSize.height - badgeRect.size.height;
[dockIcon lockFocus];
//place badge
[fBadge compositeToPoint: badgeRect.origin
operation: NSCompositeSourceOver];
//ignore shadow of badge when placing string
float badgeBottomExtra = 5.0;
badgeRect.size.height -= badgeBottomExtra;
badgeRect.origin.y += badgeBottomExtra;
//place badge text
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[self badgeString: [NSString stringWithInt: completed]
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forRect: badgeRect];
[dockIcon unlockFocus];
}
[fBadgedDockIcon release];
fBadgedDockIcon = [dockIcon copy];
}
//set upload and download rate badges
NSUserDefaults * defaults = [NSUserDefaults standardUserDefaults];
NSString * uploadRateString = uploadRate >= 0.1 && [defaults boolForKey: @"BadgeUploadRate"]
? [NSString stringForSpeedAbbrev: uploadRate] : nil,
* downloadRateString = downloadRate >= 0.1 && [defaults boolForKey: @"BadgeDownloadRate"]
? [NSString stringForSpeedAbbrev: downloadRate] : nil;
BOOL speedShown = uploadRateString || downloadRateString;
if (speedShown)
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{
NSRect badgeRect;
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badgeRect.size = [fUploadBadge size];
badgeRect.origin = NSZeroPoint;
//ignore shadow of badge when placing string
NSRect stringRect = badgeRect;
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float badgeBottomExtra = 2.0;
stringRect.size.height -= badgeBottomExtra;
stringRect.origin.y += badgeBottomExtra;
if (!dockIcon)
dockIcon = [fBadgedDockIcon copy];
[dockIcon lockFocus];
if (uploadRateString)
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{
//place badge
[fUploadBadge compositeToPoint: badgeRect.origin
operation: NSCompositeSourceOver];
//place badge text
[self badgeString: uploadRateString forRect: stringRect];
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}
if (downloadRateString)
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{
//download rate above upload rate
if (uploadRateString)
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{
float spaceBetween = badgeRect.size.height + 2.0;
badgeRect.origin.y += spaceBetween;
stringRect.origin.y += spaceBetween;
}
//place badge
[fDownloadBadge compositeToPoint: badgeRect.origin
operation: NSCompositeSourceOver];
//place badge text
[self badgeString: downloadRateString forRect: stringRect];
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}
[dockIcon unlockFocus];
}
if (dockIcon || fSpeedShown)
{
if (!dockIcon)
dockIcon = [fBadgedDockIcon copy];
[NSApp setApplicationIconImage: dockIcon];
[dockIcon release];
}
fSpeedShown = speedShown;
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}
- (void) clearBadge
{
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[fBadgedDockIcon release];
fBadgedDockIcon = [fDockIcon copy];
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[NSApp setApplicationIconImage: fDockIcon];
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}
@end
@implementation Badger (Private)
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//dock icon must have locked focus
- (void) badgeString: (NSString *) string forRect: (NSRect) rect
{
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];
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}
@end