transmission/macosx/StatusBarView.m

160 lines
5.6 KiB
Objective-C

/******************************************************************************
* $Id$
*
* Copyright (c) 2006-2012 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 "StatusBarView.h"
#import "NSApplicationAdditions.h"
#import <QuartzCore/QuartzCore.h>
@interface StatusBarView (Private)
- (void) reload;
@end
@implementation StatusBarView
- (id) initWithFrame: (NSRect) rect
{
if ((self = [super initWithFrame: rect]))
{
NSColor * lightColor = [NSColor colorWithCalibratedRed: 160.0/255.0 green: 160.0/255.0 blue: 160.0/255.0 alpha: 1.0];
NSColor * darkColor = [NSColor colorWithCalibratedRed: 155.0/255.0 green: 155.0/255.0 blue: 155.0/255.0 alpha: 1.0];
fGradient = [[NSGradient alloc] initWithStartingColor: lightColor endingColor: darkColor];
if([NSApp isOnLionOrBetter])
{
CIFilter * randomFilter = [CIFilter filterWithName: @"CIRandomGenerator"];
[randomFilter setDefaults];
fNoiseImage = [randomFilter valueForKey: @"outputImage"];
CIFilter * monochromeFilter = [CIFilter filterWithName: @"CIColorMonochrome"];
[monochromeFilter setDefaults];
[monochromeFilter setValue: fNoiseImage forKey: @"inputImage"];
CIColor * monoFilterColor = [CIColor colorWithRed: 1.0 green: 1.0 blue: 1.0];
[monochromeFilter setValue: monoFilterColor forKey: @"inputColor"];
fNoiseImage = [[monochromeFilter valueForKey:@"outputImage"] retain];
}
else
fNoiseImage = nil;
[[NSNotificationCenter defaultCenter] addObserver: self selector: @selector(reload) name: NSWindowDidBecomeMainNotification object: [self window]];
[[NSNotificationCenter defaultCenter] addObserver: self selector: @selector(reload) name: NSWindowDidResignMainNotification object: [self window]];
}
return self;
}
- (void) dealloc
{
[[NSNotificationCenter defaultCenter] removeObserver: self];
[fNoiseImage release];
[fGradient release];
[super dealloc];
}
- (BOOL) mouseDownCanMoveWindow
{
return YES;
}
- (BOOL) isOpaque
{
return YES;
}
- (void) drawRect: (NSRect) rect
{
const BOOL active = [[self window] isMainWindow];
NSInteger count = 0;
NSRect gridRects[active ? 2 : 3];
NSColor * colorRects[active ? 2 : 3];
//bottom line
NSRect lineBorderRect = NSMakeRect(NSMinX(rect), 0.0, NSWidth(rect), 1.0);
NSRect intersectLineBorderRect = NSIntersectionRect(lineBorderRect, rect);
if (!NSIsEmptyRect(intersectLineBorderRect))
{
gridRects[count] = intersectLineBorderRect;
colorRects[count] = active ? [NSColor colorWithCalibratedWhite: 0.25 alpha: 1.0]
: [NSColor colorWithCalibratedWhite: 0.5 alpha: 1.0];
++count;
rect.origin.y += intersectLineBorderRect.size.height;
rect.size.height -= intersectLineBorderRect.size.height;
}
//top line
if (active)
{
lineBorderRect.origin.y = NSHeight([self bounds]) - 1.0;
intersectLineBorderRect = NSIntersectionRect(lineBorderRect, rect);
if (!NSIsEmptyRect(intersectLineBorderRect))
{
gridRects[count] = intersectLineBorderRect;
colorRects[count] = [NSColor colorWithCalibratedWhite: 0.75 alpha: 1.0];
++count;
rect.size.height -= intersectLineBorderRect.size.height;
}
}
if (!NSIsEmptyRect(rect))
{
if (active)
{
const NSRect gradientRect = NSMakeRect(NSMinX(rect), 1.0, NSWidth(rect), NSHeight([self bounds]) - 1.0 - 1.0); //proper gradient requires the full height of the bar
[fGradient drawInRect: gradientRect angle: 270.0];
}
else
{
gridRects[count] = rect;
colorRects[count] = [NSColor colorWithCalibratedWhite: 0.85 alpha: 1.0];
++count;
}
}
NSRectFillListWithColors(gridRects, colorRects, count);
if (fNoiseImage) {
NSAssert([NSApp isOnLionOrBetter], @"we have a noise image, but we're on 10.6"); //https://trac.transmissionbt.com/ticket/5053
[fNoiseImage drawInRect: rect
fromRect: [self convertRectToBacking: rect]
operation: NSCompositeSourceOver
fraction: 0.12];
}
}
@end
@implementation StatusBarView (Private)
- (void) reload
{
[self setNeedsDisplay: YES];
}
@end