transmission/macosx/QuickLookController.m

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/******************************************************************************
* $Id$
*
2009-01-10 23:37:37 +00:00
* Copyright (c) 2008-2009 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 "QuickLookController.h"
#import "QuickLook.h"
#define QLPreviewPanel NSClassFromString(@"QLPreviewPanel")
#import "Controller.h"
#import "InfoWindowController.h"
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@interface QuickLookController (Private)
- (id) initWithMainController: (Controller *) controller infoController: (InfoWindowController *) infoController;
@end
@implementation QuickLookController
QuickLookController * fQuickLookInstance = nil;
+ (void) quickLookControllerInitializeWithController: (Controller *) controller infoController: (InfoWindowController *) infoController
{
if (!fQuickLookInstance)
fQuickLookInstance = [[QuickLookController alloc] initWithMainController: controller infoController: infoController];
}
+ (QuickLookController *) quickLook
{
return fQuickLookInstance;
}
//QuickLook delegate method
//returns the frame for the item represented by the URL, or an empty frame to fade in/out instead
- (NSRect) previewPanel: (NSPanel *) panel frameForURL: (NSURL *) url
{
if ([fInfoController shouldQuickLookFileView])
return [fInfoController quickLookFrameWithURL: url];
else
return [fMainController quickLookFrameWithURL: url];
}
- (BOOL) quickLookSelectItems
{
if (!fQuickLookAvailable)
return NO;
NSArray * urlArray;
if ([fInfoController shouldQuickLookFileView])
urlArray = [fInfoController quickLookURLs];
else
urlArray = [fMainController quickLookURLs];
if (urlArray && [urlArray count] > 0)
{
[[QLPreviewPanel sharedPreviewPanel] setURLs: urlArray];
return YES;
}
else
return NO;
}
- (BOOL) canQuickLook
{
if (!fQuickLookAvailable)
return NO;
if ([fInfoController shouldQuickLookFileView])
return [fInfoController canQuickLook];
else
return [fMainController canQuickLook];
}
- (void) toggleQuickLook
{
if (!fQuickLookAvailable)
return;
if ([[QLPreviewPanel sharedPreviewPanel] isOpen])
[[QLPreviewPanel sharedPreviewPanel] closeWithEffect: 2];
else
{
if ([self quickLookSelectItems])
{
NSWindow * keyWindow = [NSApp keyWindow];
[[QLPreviewPanel sharedPreviewPanel] makeKeyAndOrderFrontWithEffect: 2];
//restore the focus to previous key window
[keyWindow makeKeyWindow];
}
}
}
- (void) updateQuickLook
{
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//only update when window is open or in the middle of opening (visible)
if (!fQuickLookAvailable || !([[QLPreviewPanel sharedPreviewPanel] isOpen] || [[QLPreviewPanel sharedPreviewPanel] isVisible]))
return;
if (![self quickLookSelectItems])
[[QLPreviewPanel sharedPreviewPanel] closeWithEffect: 1];
}
- (void) pressLeft
{
if (fQuickLookAvailable && [[QLPreviewPanel sharedPreviewPanel] isOpen])
[[QLPreviewPanel sharedPreviewPanel] selectPreviousItem];
}
- (void) pressRight
{
if (fQuickLookAvailable && [[QLPreviewPanel sharedPreviewPanel] isOpen])
[[QLPreviewPanel sharedPreviewPanel] selectNextItem];
}
@end
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@implementation QuickLookController (Private)
- (id) initWithMainController: (Controller *) controller infoController: (InfoWindowController *) infoController
{
if ((self = [super init]))
{
fMainController = controller;
fInfoController = infoController;
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//load the QuickLook framework and set the delegate
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//animation types: 0 = none; 1 = fade; 2 = zoom
fQuickLookAvailable = [[NSBundle bundleWithPath: @"/System/Library/PrivateFrameworks/QuickLookUI.framework"] load];
if (fQuickLookAvailable)
[[[QLPreviewPanel sharedPreviewPanel] windowController] setDelegate: self];
}
return self;
}
@end