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transmission/macosx/TorrentCell.m

392 lines
14 KiB
Objective-C

/******************************************************************************
* $Id$
*
* Copyright (c) 2006 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"
#define BAR_HEIGHT 12.0
@interface TorrentCell (Private)
- (void) placeBar: (NSImage *) barImage width: (float) width point: (NSPoint) point;
- (void) buildSimpleBar: (float) width point: (NSPoint) point;
- (void) buildAdvancedBar: (float) widthFloat point: (NSPoint) point;
@end
@implementation TorrentCell
static NSImage * fProgressWhite, * fProgressBlue, * fProgressGray, * fProgressGreen,
* fProgressAdvanced, * fProgressEndWhite, * fProgressEndBlue,
* fProgressEndGray, * fProgressEndGreen, * fProgressEndAdvanced;
// Used to optimize drawing. They contain packed RGBA pixels for every color needed.
#define BE OSSwapBigToHostConstInt32
static uint32_t kBorder[] =
{ BE(0x00000005), BE(0x00000010), BE(0x00000015), BE(0x00000015),
BE(0x00000015), BE(0x00000015), BE(0x00000015), BE(0x00000015),
BE(0x00000015), BE(0x00000015), BE(0x00000010), BE(0x00000005) };
static uint32_t kBack[] = { BE(0xB4B4B4FF), BE(0xE3E3E3FF) };
static uint32_t kRed = BE(0xFF6450FF), //255, 100, 80
kBlue1 = BE(0xA0DCFFFF), //160, 220, 255
kBlue2 = BE(0x78BEFFFF), //120, 190, 255
kBlue3 = BE(0x50A0FFFF), //80, 160, 255
kBlue4 = BE(0x1E46B4FF), //30, 70, 180
kGray = BE(0x828282FF), //130, 130, 130
kGreen = BE(0x00FF00FF); //0, 255, 0
- (id) init
{
if ((self = [super init]))
{
fDefaults = [NSUserDefaults standardUserDefaults];
NSSize startSize = NSMakeSize(100.0, BAR_HEIGHT);
if (!fProgressWhite)
{
fProgressWhite = [NSImage imageNamed: @"ProgressBarWhite.png"];
[fProgressWhite setScalesWhenResized: YES];
}
if (!fProgressBlue)
{
fProgressBlue = [NSImage imageNamed: @"ProgressBarBlue.png"];
[fProgressBlue setScalesWhenResized: YES];
[fProgressBlue setSize: startSize];
}
if (!fProgressGray)
{
fProgressGray = [NSImage imageNamed: @"ProgressBarGray.png"];
[fProgressGray setScalesWhenResized: YES];
[fProgressGray setSize: startSize];
}
if (!fProgressGreen)
{
fProgressGreen = [NSImage imageNamed: @"ProgressBarGreen.png"];
[fProgressGreen setScalesWhenResized: YES];
}
if (!fProgressAdvanced)
{
fProgressAdvanced = [NSImage imageNamed: @"ProgressBarAdvanced.png"];
[fProgressAdvanced setScalesWhenResized: YES];
}
if (!fProgressEndWhite)
fProgressEndWhite = [NSImage imageNamed: @"ProgressBarEndWhite.png"];
if (!fProgressEndBlue)
fProgressEndBlue = [NSImage imageNamed: @"ProgressBarEndBlue.png"];
if (!fProgressEndGray)
fProgressEndGray = [NSImage imageNamed: @"ProgressBarEndGray.png"];
if (!fProgressEndGreen)
fProgressEndGreen = [NSImage imageNamed: @"ProgressBarEndGreen.png"];
if (!fProgressEndAdvanced)
fProgressEndAdvanced = [NSImage imageNamed: @"ProgressBarEndAdvanced.png"];
}
return self;
}
- (void) setTorrent: (Torrent *) torrent
{
fTorrent = torrent;
}
- (void) placeBar: (NSImage *) barImage width: (float) width point: (NSPoint) point
{
if ([barImage size].width < width)
[barImage setSize: NSMakeSize(width * 1.5, BAR_HEIGHT)];
[barImage compositeToPoint: point fromRect: NSMakeRect(0, 0, width, BAR_HEIGHT)
operation: NSCompositeSourceOver];
}
- (void) buildSimpleBar: (float) width point: (NSPoint) point
{
width -= 2.0;
if ([fTorrent isSeeding])
{
[fProgressEndGreen compositeToPoint: point operation: NSCompositeSourceOver];
point.x += 1.0;
[self placeBar: fProgressGreen width: width point: point];
point.x += width;
[fProgressEndGreen compositeToPoint: point operation: NSCompositeSourceOver];
}
else
{
float completedWidth = [fTorrent progress] * width,
remainingWidth = width - completedWidth;
BOOL isActive = [fTorrent isActive];
//left end
NSImage * barLeftEnd;
if (remainingWidth == width)
barLeftEnd = fProgressEndWhite;
else if (isActive)
barLeftEnd = fProgressEndBlue;
else
barLeftEnd = fProgressEndGray;
[barLeftEnd compositeToPoint: point operation: NSCompositeSourceOver];
//active bar
point.x += 1.0;
[self placeBar: isActive ? fProgressBlue : fProgressGray width: completedWidth point: point];
//remaining bar
point.x += completedWidth;
[self placeBar: fProgressWhite width: remainingWidth point: point];
//right end
NSImage * barRightEnd;
if (completedWidth < width)
barRightEnd = fProgressEndWhite;
else if (isActive)
barRightEnd = fProgressEndBlue;
else
barRightEnd = fProgressEndGray;
point.x += remainingWidth;
[barRightEnd compositeToPoint: point operation: NSCompositeSourceOver];
}
}
- (void) buildAdvancedBar: (float) widthFloat point: (NSPoint) point
{
//if seeding, there's no need for the advanced bar
if ([fTorrent isSeeding])
{
[self buildSimpleBar: widthFloat point: point];
return;
}
int width = widthFloat; //integers for bars
NSBitmapImageRep * bitmap = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes: nil
pixelsWide: width pixelsHigh: BAR_HEIGHT bitsPerSample: 8 samplesPerPixel: 4 hasAlpha: YES
isPlanar: NO colorSpaceName: NSCalibratedRGBColorSpace bytesPerRow: 0 bitsPerPixel: 0];
int h, w;
uint32_t * p;
uint8_t * bitmapData = [bitmap bitmapData];
int bytesPerRow = [bitmap bytesPerRow];
//left and right borders
p = (uint32_t *) bitmapData;
for(h = 0; h < BAR_HEIGHT; h++)
{
p[0] = kBorder[h];
p[width - 1] = kBorder[h];
p += bytesPerRow / 4;
}
int8_t * pieces = malloc(width);
[fTorrent getAvailability: pieces size: width];
int avail = 0;
for (w = 0; w < width; w++)
if (pieces[w] != 0)
avail++;
//first two lines: dark blue to show progression, green to show available
int end = lrintf(floor([fTorrent progress] * (width - 2)));
p = (uint32_t *) (bitmapData) + 1;
for (w = 0; w < end; w++)
{
p[w] = kBlue4;
p[w + bytesPerRow / 4] = kBlue4;
}
for (; w < avail; w++)
{
p[w] = kGreen;
p[w + bytesPerRow / 4] = kGreen;
}
for (; w < width - 2; w++)
{
p[w] = kBack[0];
p[w + bytesPerRow / 4] = kBack[1];
}
//lines 2 to 14: blue or grey depending on whether we have the piece or not
uint32_t color;
for( w = 0; w < width - 2; w++ )
{
//point to pixel ( 2 + w, 2 ). We will then draw "vertically"
p = (uint32_t *) ( bitmapData + 2 * bytesPerRow ) + 1 + w;
if (pieces[w] < 0)
color = kGray;
else if (pieces[w] == 0)
color = kRed;
else if (pieces[w] == 1)
color = kBlue1;
else if (pieces[w] == 2)
color = kBlue2;
else
color = kBlue3;
for( h = 2; h < BAR_HEIGHT; h++ )
{
p[0] = color;
p = (uint32_t *) ( (uint8_t *) p + bytesPerRow );
}
}
free( pieces );
//actually draw image
NSImage * img = [[NSImage alloc] initWithSize: [bitmap size]];
[img addRepresentation: bitmap];
//bar size with float, not double, to match standard bar
[img setScalesWhenResized: YES];
[img setSize: NSMakeSize(widthFloat, BAR_HEIGHT)];
[img compositeToPoint: point operation: NSCompositeSourceOver];
[img release];
[bitmap release];
//draw overlay over advanced bar
[fProgressEndAdvanced compositeToPoint: point operation: NSCompositeSourceOver];
widthFloat -= 2.0;
point.x += 1.0;
[self placeBar: fProgressAdvanced width: widthFloat point: point];
point.x += widthFloat;
[fProgressEndAdvanced compositeToPoint: point operation: NSCompositeSourceOver];
}
- (void) drawWithFrame: (NSRect) cellFrame inView: (NSView *) view
{
BOOL highlighted = [self isHighlighted] && [[view window] isKeyWindow];
NSDictionary * nameAttributes = [[NSDictionary alloc] initWithObjectsAndKeys:
highlighted ? [NSColor whiteColor] : [NSColor blackColor],
NSForegroundColorAttributeName,
[NSFont messageFontOfSize: 12.0], NSFontAttributeName, nil];
NSDictionary * statusAttributes = [[NSDictionary alloc] initWithObjectsAndKeys:
highlighted ? [NSColor whiteColor] : [NSColor darkGrayColor],
NSForegroundColorAttributeName,
[NSFont messageFontOfSize: 9.0], NSFontAttributeName, nil];
NSPoint pen = cellFrame.origin;
const float PADDING = 3.0, LINE_PADDING = 2.0, EXTRA_NAME_SHIFT = 1.0;
if (![fDefaults boolForKey: @"SmallView"]) //regular size
{
//icon
NSImage * icon = [fTorrent iconFlipped];
NSSize iconSize = [icon size];
pen.x += PADDING;
pen.y += (cellFrame.size.height - iconSize.height) * 0.5;
[icon drawAtPoint: pen fromRect: NSMakeRect(0, 0, iconSize.width, iconSize.height)
operation: NSCompositeSourceOver fraction: 1.0];
float mainWidth = cellFrame.size.width - iconSize.width - 3.0 * PADDING - EXTRA_NAME_SHIFT;
//name string
pen.x += iconSize.width + PADDING + EXTRA_NAME_SHIFT;
pen.y = cellFrame.origin.y + PADDING;
NSAttributedString * nameString = [[fTorrent name] attributedStringFittingInWidth: mainWidth
attributes: nameAttributes];
[nameString drawAtPoint: pen];
//progress string
pen.y += [nameString size].height + LINE_PADDING - 1.0;
NSAttributedString * progressString = [[fTorrent progressString]
attributedStringFittingInWidth: mainWidth attributes: statusAttributes];
[progressString drawAtPoint: pen];
//progress bar
pen.x -= EXTRA_NAME_SHIFT;
pen.y += [progressString size].height + LINE_PADDING + BAR_HEIGHT;
float barWidth = mainWidth + EXTRA_NAME_SHIFT - BUTTONS_TOTAL_WIDTH + PADDING;
if ([fDefaults boolForKey: @"UseAdvancedBar"])
[self buildAdvancedBar: barWidth point: pen];
else
[self buildSimpleBar: barWidth point: pen];
//status string
pen.x += EXTRA_NAME_SHIFT;
pen.y += LINE_PADDING;
NSAttributedString * statusString = [[fTorrent statusString]
attributedStringFittingInWidth: mainWidth attributes: statusAttributes];
[statusString drawAtPoint: pen];
}
else //small size
{
//icon
NSImage * icon = [fTorrent iconSmall];
NSSize iconSize = [icon size];
pen.x += PADDING;
pen.y += (cellFrame.size.height - iconSize.height) * 0.5;
[icon drawAtPoint: pen fromRect: NSMakeRect(0, 0, iconSize.width, iconSize.height)
operation: NSCompositeSourceOver fraction: 1.0];
//name and status string
float mainWidth = cellFrame.size.width - iconSize.width - 3.0 * PADDING - EXTRA_NAME_SHIFT;
NSAttributedString * statusString = [[[NSAttributedString alloc] initWithString: [fTorrent shortStatusString]
attributes: statusAttributes] autorelease];
NSAttributedString * nameString = [[fTorrent name] attributedStringFittingInWidth:
mainWidth - [statusString size].width - LINE_PADDING attributes: nameAttributes];
//place name string
pen.x += iconSize.width + PADDING + EXTRA_NAME_SHIFT;
pen.y = cellFrame.origin.y + LINE_PADDING;
[nameString drawAtPoint: pen];
//place status string
pen.x = cellFrame.origin.x + cellFrame.size.width - PADDING - [statusString size].width;
pen.y += ([nameString size].height - [statusString size].height) * 0.5;
[statusString drawAtPoint: pen];
//progress bar
pen.x = cellFrame.origin.x + iconSize.width + 2.0 * PADDING;
pen.y = cellFrame.origin.y + [nameString size].height + LINE_PADDING + PADDING + BAR_HEIGHT;
float barWidth = mainWidth + EXTRA_NAME_SHIFT - BUTTONS_TOTAL_WIDTH + PADDING;
if ([fDefaults boolForKey: @"UseAdvancedBar"])
[self buildAdvancedBar: barWidth point: pen];
else
[self buildSimpleBar: barWidth point: pen];
}
[nameAttributes release];
[statusAttributes release];
}
@end