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transmission/macosx/TorrentCell.m

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/******************************************************************************
* $Id$
*
* Copyright (c) 2006-2007 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 "TorrentCell.h"
#import "TorrentTableView.h"
#import "StringAdditions.h"
#import "CTGradientAdditions.h"
#define BAR_HEIGHT 12.0
#define IMAGE_SIZE_REG 32.0
#define IMAGE_SIZE_MIN 16.0
//end up being larger than font height
#define HEIGHT_TITLE 16.0
#define HEIGHT_STATUS 12.0
#define PADDING_HORIZONAL 2.0
#define PADDING_BETWEEN_IMAGE_AND_TITLE 4.0
#define PADDING_ABOVE_TITLE 2.0
#define PADDING_ABOVE_MIN_STATUS 4.0
#define PADDING_BETWEEN_TITLE_AND_MIN_STATUS 2.0
#define PADDING_BETWEEN_TITLE_AND_PROGRESS 2.0
#define PADDING_LESS_BETWEEN_TITLE_AND_BAR 1.0
#define PADDING_BETWEEN_PROGRESS_AND_BAR 2.0
#define PADDING_BETWEEN_TITLE_AND_BAR_MIN 3.0
#define PADDING_BETWEEN_BAR_AND_STATUS 2.0
#define MAX_PIECES 324
#define BLANK_PIECE -99
@interface TorrentCell (Private)
- (NSImage *) simpleBar: (float) width;
- (NSImage *) advancedBar: (float) width;
- (NSImage *) advancedBarSimple;
- (NSRect) rectForMinimalStatusWithString: (NSAttributedString *) string inBounds: (NSRect) bounds;
- (NSRect) rectForTitleWithString: (NSAttributedString *) string basedOnMinimalStatusRect: (NSRect) statusRect
inBounds: (NSRect) bounds;
- (NSRect) rectForProgressWithString: (NSAttributedString *) string inBounds: (NSRect) bounds;
- (NSRect) rectForStatusWithString: (NSAttributedString *) string inBounds: (NSRect) bounds;
- (NSAttributedString *) attributedTitleWithColor: (NSColor *) color;
- (NSAttributedString *) attributedStatusString: (NSString *) string withColor: (NSColor *) color;
@end
@implementation TorrentCell
// Used to optimize drawing. They contain packed RGBA pixels for every color needed.
#define BE OSSwapBigToHostConstInt32
static uint32_t kRed = BE(0xFF6450FF), //255, 100, 80
kBlue = BE(0x50A0FFFF), //80, 160, 255
kBlue2 = BE(0x1E46B4FF), //30, 70, 180
kGray = BE(0x969696FF), //150, 150, 150
kGreen1 = BE(0x99FFCCFF), //153, 255, 204
kGreen2 = BE(0x66FF99FF), //102, 255, 153
kGreen3 = BE(0x00FF66FF), //0, 255, 102
kWhite = BE(0xFFFFFFFF); //255, 255, 255
//only called one, so don't worry about release
- (id) init
{
if ((self = [super init]))
{
fDefaults = [NSUserDefaults standardUserDefaults];
NSMutableParagraphStyle * paragraphStyle = [[NSParagraphStyle defaultParagraphStyle] mutableCopy];
[paragraphStyle setLineBreakMode: NSLineBreakByTruncatingTail];
fTitleAttributes = [[NSMutableDictionary alloc] initWithObjectsAndKeys:
[NSFont messageFontOfSize: 12.0], NSFontAttributeName,
paragraphStyle, NSParagraphStyleAttributeName, nil];
fStatusAttributes = [[NSMutableDictionary alloc] initWithObjectsAndKeys:
[NSFont messageFontOfSize: 9.0], NSFontAttributeName,
paragraphStyle, NSParagraphStyleAttributeName, nil];
[paragraphStyle release];
fBarOverlayColor = [[NSColor colorWithDeviceWhite: 0.0 alpha: 0.2] retain];
}
return self;
}
- (id) copyWithZone: (NSZone *) zone
{
TorrentCell * copy = [super copyWithZone: zone];
copy->fBitmap = nil;
copy->fPieces = NULL;
return copy;
}
- (void) dealloc
{
[fBitmap release];
if (fPieces)
free(fPieces);
[super dealloc];
}
- (NSRect) iconRectForBounds: (NSRect) bounds
{
NSRect result = bounds;
result.origin.x += PADDING_HORIZONAL;
float imageSize;
if ([fDefaults boolForKey: @"SmallView"])
{
imageSize = IMAGE_SIZE_MIN;
result.origin.y += (result.size.height - imageSize) * 0.5;
}
else
{
imageSize = IMAGE_SIZE_REG;
result.origin.y += (result.size.height - (imageSize + ACTION_BUTTON_HEIGHT)) * 0.5;
}
result.size = NSMakeSize(imageSize, imageSize);
return result;
}
- (NSRect) titleRectForBounds: (NSRect) bounds
{
return [self rectForTitleWithString: [self attributedTitleWithColor: nil]
basedOnMinimalStatusRect: [self minimalStatusRectForBounds: bounds] inBounds: bounds];
}
- (NSRect) minimalStatusRectForBounds: (NSRect) bounds
{
Torrent * torrent = [self representedObject];
NSString * string = [torrent isActive] && ![fDefaults boolForKey: @"SmallStatusRegular"]
? [torrent remainingTimeString] : [torrent shortStatusString];
return [self rectForMinimalStatusWithString: [self attributedStatusString: string withColor: nil] inBounds: bounds];
}
- (NSRect) progressRectForBounds: (NSRect) bounds
{
return [self rectForProgressWithString: [self attributedStatusString: [[self representedObject] progressString] withColor: nil]
inBounds: bounds];
}
- (NSRect) barRectForBounds: (NSRect) bounds
{
BOOL minimal = [fDefaults boolForKey: @"SmallView"];
NSRect result = bounds;
result.size.height = BAR_HEIGHT;
result.origin.x = PADDING_HORIZONAL + (minimal ? IMAGE_SIZE_MIN : IMAGE_SIZE_REG)
+ PADDING_BETWEEN_IMAGE_AND_TITLE - PADDING_LESS_BETWEEN_TITLE_AND_BAR;
result.origin.y += PADDING_ABOVE_TITLE + HEIGHT_TITLE;
if (minimal)
result.origin.y += PADDING_BETWEEN_TITLE_AND_BAR_MIN;
else
result.origin.y += PADDING_BETWEEN_TITLE_AND_PROGRESS + HEIGHT_STATUS + PADDING_BETWEEN_PROGRESS_AND_BAR;
result.size.width = NSMaxX(bounds) - result.origin.x - PADDING_HORIZONAL - BUTTONS_TOTAL_WIDTH;
return result;
}
- (NSRect) statusRectForBounds: (NSRect) bounds
{
return [self rectForStatusWithString: [self attributedStatusString: [[self representedObject] statusString] withColor: nil]
inBounds: bounds];
}
- (void) drawInteriorWithFrame: (NSRect) cellFrame inView: (NSView *) controlView
{
[super drawInteriorWithFrame: cellFrame inView: controlView];
Torrent * torrent = [self representedObject];
BOOL minimal = [fDefaults boolForKey: @"SmallView"];
//error image
BOOL error = [torrent isError];
if (error && !fErrorImage)
{
fErrorImage = [[NSImage imageNamed: @"Error.png"] copy];
[fErrorImage setFlipped: YES];
}
//icon
NSImage * icon = minimal ? (error ? fErrorImage : [torrent iconSmall]) : [torrent iconFlipped];
NSRect iconRect = [self iconRectForBounds: cellFrame];
[icon drawInRect: iconRect fromRect: NSZeroRect operation: NSCompositeSourceOver fraction: 1.0];
if (error && !minimal)
{
NSRect errorRect = NSMakeRect(NSMaxX(iconRect) - IMAGE_SIZE_MIN, NSMaxY(iconRect) - IMAGE_SIZE_MIN,
IMAGE_SIZE_MIN, IMAGE_SIZE_MIN);
[fErrorImage drawInRect: errorRect fromRect: NSZeroRect operation: NSCompositeSourceOver fraction: 1.0];
}
//text color
BOOL highlighted = [self isHighlighted] && [[self highlightColorWithFrame: cellFrame inView: controlView]
isEqual: [NSColor alternateSelectedControlColor]];
NSColor * titleColor, * statusColor;
if ([self isHighlighted]
&& [[self highlightColorWithFrame: cellFrame inView: controlView] isEqual: [NSColor alternateSelectedControlColor]])
{
titleColor = [NSColor whiteColor];
statusColor = [NSColor whiteColor];
}
else
{
titleColor = [NSColor controlTextColor];
statusColor = [NSColor darkGrayColor];
}
//minimal status
NSRect minimalStatusRect;
if (minimal)
{
NSString * string = ![fDefaults boolForKey: @"SmallStatusRegular"] && [torrent isActive]
? [torrent remainingTimeString] : [torrent shortStatusString];
NSAttributedString * minimalString = [self attributedStatusString: string withColor: statusColor];
minimalStatusRect = [self rectForMinimalStatusWithString: minimalString inBounds: cellFrame];
[minimalString drawInRect: minimalStatusRect];
}
//title
NSAttributedString * titleString = [self attributedTitleWithColor: titleColor];
NSRect titleRect = [self rectForTitleWithString: titleString basedOnMinimalStatusRect: minimalStatusRect inBounds: cellFrame];
[titleString drawInRect: titleRect];
//progress
NSRect progressRect;
if (!minimal)
{
NSAttributedString * progressString = [self attributedStatusString: [torrent progressString] withColor: statusColor];
progressRect = [self rectForProgressWithString: progressString inBounds: cellFrame];
[progressString drawInRect: progressRect];
}
//bar
NSRect barRect = [self barRectForBounds: cellFrame];
NSImage * bar = [fDefaults boolForKey: @"UseAdvancedBar"]
? [self advancedBar: barRect.size.width] : [self simpleBar: barRect.size.width];
[bar drawInRect: barRect fromRect: NSZeroRect operation: NSCompositeSourceOver fraction: 1.0];
//status
if (!minimal)
{
NSAttributedString * statusString = [self attributedStatusString: [torrent statusString] withColor: statusColor];
[statusString drawInRect: [self rectForStatusWithString: statusString inBounds: cellFrame]];
}
}
@end
@implementation TorrentCell (Private)
#warning don't use image
#warning NSDivideRect ?
- (NSImage *) simpleBar: (float) width
{
Torrent * torrent = [self representedObject];
NSImage * bar = [[NSImage alloc] initWithSize: NSMakeSize(width, BAR_HEIGHT)];
[bar lockFocus];
NSRect barBounds = NSMakeRect(0, 0, width, BAR_HEIGHT);
float progress = [torrent progress], left = [torrent progressLeft];
if (progress < 1.0)
{
if (!fWhiteGradient)
fWhiteGradient = [[CTGradient progressWhiteGradient] retain];
[fWhiteGradient fillRect: barBounds angle: -90];
float include = progress + left;
if (include < 1.0)
{
if (!fLightGrayGradient)
fLightGrayGradient = [[CTGradient progressLightGrayGradient] retain];
[fLightGrayGradient fillRect: NSMakeRect(width * include, 0, width * (1.0 - include), BAR_HEIGHT)
angle: -90];
}
}
NSRect completeBounds = NSMakeRect(0, 0, width * progress, BAR_HEIGHT);
if ([torrent isActive])
{
if ([torrent isChecking])
{
if (!fYellowGradient)
fYellowGradient = [[CTGradient progressYellowGradient] retain];
[fYellowGradient fillRect: completeBounds angle: -90];
}
else if ([torrent isSeeding])
{
NSRect ratioBounds = completeBounds;
ratioBounds.size.width *= [torrent progressStopRatio];
if (ratioBounds.size.width < completeBounds.size.width)
{
if (!fLightGreenGradient)
fLightGreenGradient = [[CTGradient progressLightGreenGradient] retain];
[fLightGreenGradient fillRect: completeBounds angle: -90];
}
if (!fGreenGradient)
fGreenGradient = [[CTGradient progressGreenGradient] retain];
[fGreenGradient fillRect: ratioBounds angle: -90];
}
else
{
if (!fBlueGradient)
fBlueGradient = [[CTGradient progressBlueGradient] retain];
[fBlueGradient fillRect: completeBounds angle: -90];
}
}
else
{
if ([torrent waitingToStart])
{
if (left <= 0.0)
{
if (!fDarkGreenGradient)
fDarkGreenGradient = [[CTGradient progressDarkGreenGradient] retain];
[fDarkGreenGradient fillRect: completeBounds angle: -90];
}
else
{
if (!fDarkBlueGradient)
fDarkBlueGradient = [[CTGradient progressDarkBlueGradient] retain];
[fDarkBlueGradient fillRect: completeBounds angle: -90];
}
}
else
{
if (!fGrayGradient)
fGrayGradient = [[CTGradient progressGrayGradient] retain];
[fGrayGradient fillRect: completeBounds angle: -90];
}
}
[fBarOverlayColor set];
[NSBezierPath strokeRect: NSInsetRect(barBounds, 0.5, 0.5)];
[bar unlockFocus];
return [bar autorelease];
}
- (NSImage *) advancedBar: (float) width
{
NSImage * image = [self advancedBarSimple];
NSRect barBounds = NSMakeRect(0, 0, width, BAR_HEIGHT);
[image setScalesWhenResized: YES];
[image setSize: barBounds.size];
[image lockFocus];
if (!fTransparentGradient)
fTransparentGradient = [[CTGradient progressTransparentGradient] retain];
[fTransparentGradient fillRect: barBounds angle: 90];
[fBarOverlayColor set];
[NSBezierPath strokeRect: NSInsetRect(barBounds, 0.5, 0.5)];
[image unlockFocus];
return image;
}
- (NSImage *) advancedBarSimple
{
if (!fBitmap)
fBitmap = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes: nil
pixelsWide: MAX_PIECES pixelsHigh: BAR_HEIGHT bitsPerSample: 8 samplesPerPixel: 4 hasAlpha: YES
isPlanar: NO colorSpaceName: NSCalibratedRGBColorSpace bytesPerRow: 0 bitsPerPixel: 0];
uint32_t * p;
uint8_t * bitmapData = [fBitmap bitmapData];
int bytesPerRow = [fBitmap bytesPerRow];
if (!fPieces)
{
fPieces = malloc(MAX_PIECES);
int i;
for (i = 0; i < MAX_PIECES; i++)
fPieces[i] = BLANK_PIECE;
}
Torrent * torrent = [self representedObject];
int pieceCount = [torrent pieceCount];
int8_t * piecesAvailablity = malloc(pieceCount);
[torrent getAvailability: piecesAvailablity size: pieceCount];
//lines 2 to 14: blue, green, or gray depending on piece availability
int i, h, index = 0;
float increment = (float)pieceCount / MAX_PIECES, indexValue = 0;
uint32_t color;
BOOL change;
for (i = 0; i < MAX_PIECES; i++)
{
change = NO;
if (piecesAvailablity[index] < 0)
{
if (fPieces[i] != -1)
{
color = kBlue;
fPieces[i] = -1;
change = YES;
}
}
else if (piecesAvailablity[index] == 0)
{
if (fPieces[i] != 0)
{
color = kGray;
fPieces[i] = 0;
change = YES;
}
}
else if (piecesAvailablity[index] <= 4)
{
if (fPieces[i] != 1)
{
color = kGreen1;
fPieces[i] = 1;
change = YES;
}
}
else if (piecesAvailablity[index] <= 8)
{
if (fPieces[i] != 2)
{
color = kGreen2;
fPieces[i] = 2;
change = YES;
}
}
else
{
if (fPieces[i] != 3)
{
color = kGreen3;
fPieces[i] = 3;
change = YES;
}
}
if (change)
{
//point to pixel (i, 2) and draw "vertically"
p = (uint32_t *)(bitmapData + 2 * bytesPerRow) + i;
for (h = 2; h < BAR_HEIGHT; h++)
{
p[0] = color;
p = (uint32_t *)((uint8_t *)p + bytesPerRow);
}
}
indexValue += increment;
index = (int)indexValue;
}
//determine percentage finished and available
int have = rintf((float)MAX_PIECES * [torrent progress]), avail;
if (![torrent isActive] || [torrent progress] >= 1.0 || [torrent totalPeersConnected] <= 0)
avail = 0;
else
{
float * piecesFinished = malloc(pieceCount * sizeof(float));
[torrent getAmountFinished: piecesFinished size: pieceCount];
float available = 0;
for (i = 0; i < pieceCount; i++)
if (piecesAvailablity[i] > 0)
available += 1.0 - piecesFinished[i];
avail = rintf(MAX_PIECES * available / (float)pieceCount);
if (have + avail > MAX_PIECES) //case if both end in .5 and all pieces are available
avail--;
free(piecesFinished);
}
free(piecesAvailablity);
//first two lines: dark blue to show progression, green to show available
p = (uint32_t *)bitmapData;
for (i = 0; i < have; i++)
{
p[i] = kBlue2;
p[i + bytesPerRow / 4] = kBlue2;
}
for (; i < avail + have; i++)
{
p[i] = kGreen3;
p[i + bytesPerRow / 4] = kGreen3;
}
for (; i < MAX_PIECES; i++)
{
p[i] = kWhite;
p[i + bytesPerRow / 4] = kWhite;
}
//actually draw image
NSImage * bar = [[NSImage alloc] initWithSize: [fBitmap size]];
[bar setFlipped: YES];
[bar addRepresentation: fBitmap];
return [bar autorelease];
}
- (NSRect) rectForMinimalStatusWithString: (NSAttributedString *) string inBounds: (NSRect) bounds
{
if (![fDefaults boolForKey: @"SmallView"])
return NSZeroRect;
NSRect result = bounds;
result.size = [string size];
result.origin.x += bounds.size.width - result.size.width - PADDING_HORIZONAL;
result.origin.y += PADDING_ABOVE_MIN_STATUS;
return result;
}
- (NSRect) rectForTitleWithString: (NSAttributedString *) string basedOnMinimalStatusRect: (NSRect) statusRect
inBounds: (NSRect) bounds
{
BOOL minimal = [fDefaults boolForKey: @"SmallView"];
NSRect result = bounds;
result.origin.y += PADDING_ABOVE_TITLE;
result.origin.x += PADDING_HORIZONAL + (minimal ? IMAGE_SIZE_MIN : IMAGE_SIZE_REG) + PADDING_BETWEEN_IMAGE_AND_TITLE;
result.size = [string size];
result.size.width = MIN(result.size.width, NSMaxX(bounds) - result.origin.x - PADDING_HORIZONAL
- (minimal ? PADDING_BETWEEN_TITLE_AND_MIN_STATUS + statusRect.size.width : 0));
return result;
}
- (NSRect) rectForProgressWithString: (NSAttributedString *) string inBounds: (NSRect) bounds
{
if ([fDefaults boolForKey: @"SmallView"])
return NSZeroRect;
NSRect result = bounds;
result.origin.y += PADDING_ABOVE_TITLE + HEIGHT_TITLE + PADDING_BETWEEN_TITLE_AND_PROGRESS;
result.origin.x += PADDING_HORIZONAL + IMAGE_SIZE_REG + PADDING_BETWEEN_IMAGE_AND_TITLE;
result.size = [string size];
result.size.width = MIN(result.size.width, NSMaxX(bounds) - result.origin.x - PADDING_HORIZONAL);
return result;
}
- (NSRect) rectForStatusWithString: (NSAttributedString *) string inBounds: (NSRect) bounds
{
if ([fDefaults boolForKey: @"SmallView"])
return NSZeroRect;
NSRect result = bounds;
result.origin.y += PADDING_ABOVE_TITLE + HEIGHT_TITLE + PADDING_BETWEEN_TITLE_AND_PROGRESS + HEIGHT_STATUS
+ PADDING_BETWEEN_PROGRESS_AND_BAR + BAR_HEIGHT + PADDING_BETWEEN_BAR_AND_STATUS;
result.origin.x += PADDING_HORIZONAL + IMAGE_SIZE_REG + PADDING_BETWEEN_IMAGE_AND_TITLE;
result.size = [string size];
result.size.width = MIN(result.size.width, NSMaxX(bounds) - result.origin.x - PADDING_HORIZONAL);
return result;
}
- (NSAttributedString *) attributedTitleWithColor: (NSColor *) color
{
if (color)
[fTitleAttributes setObject: color forKey: NSForegroundColorAttributeName];
NSString * title = [[self representedObject] name];
return [[[NSAttributedString alloc] initWithString: title attributes: fTitleAttributes] autorelease];
}
- (NSAttributedString *) attributedStatusString: (NSString *) string withColor: (NSColor *) color
{
if (color)
[fStatusAttributes setObject: color forKey: NSForegroundColorAttributeName];
return [[[NSAttributedString alloc] initWithString: string attributes: fStatusAttributes] autorelease];
}
@end
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