transmission/macosx/DragOverlayWindow.m

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/******************************************************************************
* $Id$
*
* Copyright (c) 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 "DragOverlayWindow.h"
#import "DragOverlayView.h"
#import "StringAdditions.h"
@interface DragOverlayWindow (Private)
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- (void) beginFadeIn;
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- (void) fadeIn;
- (void) fadeOut;
@end
@implementation DragOverlayWindow
- (id) initWithLib: (tr_handle_t *) lib
{
if (self = ([super initWithContentRect: NSMakeRect(0, 0, 1.0, 1.0) styleMask: NSBorderlessWindowMask
backing: NSBackingStoreBuffered defer: NO]))
{
fLib = lib;
[self setBackgroundColor: [NSColor colorWithCalibratedWhite: 0.0 alpha: 0.5]];
[self setOpaque: NO];
[self setHasShadow: NO];
DragOverlayView * view = [[DragOverlayView alloc] initWithFrame: [self frame]];
[self setContentView: view];
[view release];
[self setReleasedWhenClosed: NO];
[self setIgnoresMouseEvents: YES];
}
return self;
}
- (void) dealloc
{
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if (fFadeInTimer)
[fFadeOutTimer invalidate];
if (fFadeOutTimer)
[fFadeOutTimer invalidate];
[super dealloc];
}
- (void) setFiles: (NSArray *) files
{
uint64_t size = 0;
int count = 0;
NSString * name;
BOOL folder;
NSString * file;
NSEnumerator * enumerator = [files objectEnumerator];
tr_torrent_t * tempTor;
tr_info_t * info;
while ((file = [enumerator nextObject]))
{
int error;
if ((tempTor = tr_torrentInit(fLib, [file UTF8String], NULL, 0, &error)))
{
info = tr_torrentInfo(tempTor);
count++;
size += info->totalSize;
//only useful when one torrent
if (count == 1)
{
name = [NSString stringWithUTF8String: info->name];
folder = info->multifile;
}
tr_torrentClose(fLib, tempTor);
}
}
NSImage * icon = nil;
NSString * sizeString = [NSString stringForFileSize: size];
if (count == 1)
icon = [[NSWorkspace sharedWorkspace] iconForFileType: folder ? NSFileTypeForHFSTypeCode('fldr') : [name pathExtension]];
else
{
name = [NSString stringWithFormat: NSLocalizedString(@"%d Torrent Files", "Drag overlay -> multiple drag files"), count];
sizeString = [sizeString stringByAppendingString: @" Total"];
}
[[self contentView] setOverlay: icon mainLine: name subLine: sizeString];
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[self beginFadeIn];
}
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- (void) setURL: (NSString *) url
{
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[[self contentView] setOverlay: [NSImage imageNamed: @"Globe.tiff"]
mainLine: NSLocalizedString(@"Web Address", "Drag overlay -> url") subLine: url];
[self beginFadeIn];
}
- (void) closeFadeOut
{
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if (fFadeInTimer)
{
[fFadeInTimer invalidate];
fFadeInTimer = nil;
}
if (fFadeOutTimer)
{
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[fFadeOutTimer invalidate];
fFadeOutTimer = nil;
}
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fFadeOutTimer = [NSTimer scheduledTimerWithTimeInterval: 0.015 target: self
selector: @selector(fadeOut) userInfo: nil repeats: YES];
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}
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@end
@implementation DragOverlayWindow (Private)
- (void) beginFadeIn
{
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[self setAlphaValue: 0.0];
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if (fFadeInTimer)
{
[fFadeInTimer invalidate];
fFadeInTimer = nil;
}
if (fFadeOutTimer)
{
[fFadeOutTimer invalidate];
fFadeOutTimer = nil;
}
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fFadeInTimer = [NSTimer scheduledTimerWithTimeInterval: 0.0075 target: self
selector: @selector(fadeIn) userInfo: nil repeats: YES];
}
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- (void) fadeIn
{
[self setAlphaValue: [self alphaValue] + 0.1];
if ([self alphaValue] >= 1.0)
{
[fFadeInTimer invalidate];
fFadeInTimer = nil;
}
}
- (void) fadeOut
{
[self setAlphaValue: [self alphaValue] - 0.1];
if ([self alphaValue] <= 0.0)
{
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[fFadeOutTimer invalidate];
fFadeOutTimer = nil;
[self close];
}
}
@end