transmission/macosx/PiecesView.m

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/******************************************************************************
* $Id$
*
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* 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.
*****************************************************************************/
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#import "PiecesView.h"
#import "InfoWindowController.h"
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#define MAX_ACROSS 18
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#define BETWEEN 1.0
@implementation PiecesView
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- (id) initWithCoder: (NSCoder *) decoder
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{
if ((self = [super initWithCoder: decoder]))
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{
fTorrent = nil;
int numPieces = MAX_ACROSS * MAX_ACROSS;
fPieces = malloc(numPieces);
}
return self;
}
- (void) awakeFromNib
{
NSSize size = [self bounds].size;
NSBezierPath * bp = [NSBezierPath bezierPathWithRect: [self bounds]];
//back image
fBack = [[NSImage alloc] initWithSize: size];
[fBack lockFocus];
[[NSColor colorWithCalibratedWhite: 0.0 alpha: 0.4] set];
[bp fill];
[fBack unlockFocus];
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//store box colors
fWhiteColor = [[NSColor whiteColor] retain];
fOrangeColor = [[NSColor orangeColor] retain];
fGreen1Color = [[NSColor colorWithCalibratedRed: 0.6 green: 1.0 blue: 0.8 alpha: 1.0] retain];
fGreen2Color = [[NSColor colorWithCalibratedRed: 0.4 green: 1.0 blue: 0.6 alpha: 1.0] retain];
fGreen3Color = [[NSColor colorWithCalibratedRed: 0.0 green: 1.0 blue: 0.4 alpha: 1.0] retain];
fBlue1Color = [[NSColor colorWithCalibratedRed: 0.8 green: 1.0 blue: 1.0 alpha: 1.0] retain];
fBlue2Color = [[NSColor colorWithCalibratedRed: 0.6 green: 1.0 blue: 1.0 alpha: 1.0] retain];
fBlue3Color = [[NSColor colorWithCalibratedRed: 0.6 green: 0.8 blue: 1.0 alpha: 1.0] retain];
fBlue4Color = [[NSColor colorWithCalibratedRed: 0.4 green: 0.6 blue: 1.0 alpha: 1.0] retain];
fBlueColor = [[NSColor colorWithCalibratedRed: 0.0 green: 0.4 blue: 0.8 alpha: 1.0] retain];
//actually draw the box
[self setTorrent: nil];
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}
- (void) dealloc
{
free(fPieces);
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[fBack release];
[fWhiteColor release];
[fOrangeColor release];
[fGreen1Color release];
[fGreen2Color release];
[fGreen3Color release];
[fBlue1Color release];
[fBlue2Color release];
[fBlue3Color release];
[fBlue4Color release];
[fBlueColor release];
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[fTorrent release];
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[super dealloc];
}
- (void) setTorrent: (Torrent *) torrent
{
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[fTorrent release];
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if (torrent)
{
fTorrent = [torrent retain];
//determine relevant values
fNumPieces = MAX_ACROSS * MAX_ACROSS;
int pieceCount = [fTorrent pieceCount];
if (pieceCount < fNumPieces)
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{
fNumPieces = pieceCount;
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fAcross = sqrt(fNumPieces);
if (fAcross * fAcross < fNumPieces)
fAcross++;
}
else
fAcross = MAX_ACROSS;
float width = [self bounds].size.width;
fWidth = (width - (fAcross + 1) * BETWEEN) / fAcross;
fExtraBorder = (width - ((fWidth + BETWEEN) * fAcross + BETWEEN)) / 2;
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[self updateView: YES];
}
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else
{
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fTorrent = nil;
NSImage * newBack = [fBack copy];
[self setImage: newBack];
[newBack release];
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[self setNeedsDisplay];
}
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}
- (void) updateView: (BOOL) first
{
if (!fTorrent)
return;
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if (first)
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{
NSImage * newBack = [fBack copy];
[self setImage: newBack];
[newBack release];
}
NSImage * image = [self image];
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int8_t * pieces;
float * piecesPercent;
BOOL showAvailablity = [[NSUserDefaults standardUserDefaults] boolForKey: @"PiecesViewShowAvailability"];
if (showAvailablity)
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{
pieces = malloc(fNumPieces);
[fTorrent getAvailability: pieces size: fNumPieces];
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}
else
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{
piecesPercent = malloc(fNumPieces * sizeof(float));
[fTorrent getAmountFinished: piecesPercent size: fNumPieces];
}
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int i, j, piece, index = -1;
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float piecePercent;
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NSPoint point;
NSRect rect = NSMakeRect(0, 0, fWidth, fWidth);
NSColor * pieceColor;
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BOOL change = NO;
for (i = 0; i < fAcross; i++)
for (j = 0; j < fAcross; j++)
{
index++;
if (index >= fNumPieces)
{
i = fAcross;
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break;
}
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pieceColor = nil;
if (showAvailablity)
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{
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piece = pieces[index];
if (piece < 0)
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{
if (first || fPieces[index] == -2)
{
fPieces[index] = -1;
pieceColor = fBlueColor;
}
else if (fPieces[index] != -1)
{
fPieces[index] = -2;
pieceColor = fOrangeColor;
}
else;
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}
else if (piece == 0)
{
if (first || fPieces[index] != 0)
{
fPieces[index] = 0;
pieceColor = fWhiteColor;
}
}
else if (piece <= 4)
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{
if (first || fPieces[index] != 1)
{
fPieces[index] = 1;
pieceColor = fGreen1Color;
}
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}
else if (piece <= 8)
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{
if (first || fPieces[index] != 2)
{
fPieces[index] = 2;
pieceColor = fGreen2Color;
}
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}
else
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{
if (first || fPieces[index] != 3)
{
fPieces[index] = 3;
pieceColor = fGreen3Color;
}
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}
}
else
{
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piecePercent = piecesPercent[index];
if (piecePercent >= 1.0)
{
if (first || fPieces[index] == -2)
{
fPieces[index] = -1;
pieceColor = fBlueColor;
}
else if (fPieces[index] != -1)
{
fPieces[index] = -2;
pieceColor = fOrangeColor;
}
else;
}
else if (piecePercent <= 0.0)
{
if (first || fPieces[index] != 0)
{
fPieces[index] = 0;
pieceColor = fWhiteColor;
}
}
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else if (piecePercent < 0.25)
{
if (first || fPieces[index] != 1)
{
fPieces[index] = 1;
pieceColor = fBlue1Color;
}
}
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else if (piecePercent < 0.5)
{
if (first || fPieces[index] != 2)
{
fPieces[index] = 2;
pieceColor = fBlue2Color;
}
}
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else if (piecePercent < 0.75)
{
if (first || fPieces[index] != 3)
{
fPieces[index] = 3;
pieceColor = fBlue3Color;
}
}
else
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{
if (first || fPieces[index] != 4)
{
fPieces[index] = 4;
pieceColor = fBlue4Color;
}
}
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}
if (pieceColor)
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{
//drawing actually will occur
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if (!change)
{
[image lockFocus];
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change = YES;
}
[pieceColor set];
rect.origin = NSMakePoint(j * (fWidth + BETWEEN) + BETWEEN + fExtraBorder,
[image size].width - (i + 1) * (fWidth + BETWEEN) - fExtraBorder);
NSRectFill(rect);
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}
}
if (change)
{
[image unlockFocus];
[self setNeedsDisplay];
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}
if (showAvailablity)
free(pieces);
else
free(piecesPercent);
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}
- (BOOL) acceptsFirstMouse: (NSEvent *) event
{
return YES;
}
- (void) mouseDown: (NSEvent *) event
{
if (fTorrent)
[[[self window] windowController] setPiecesViewForAvailable:
![[NSUserDefaults standardUserDefaults] boolForKey: @"PiecesViewShowAvailability"]];
[super mouseDown: event];
}
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@end