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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
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<a href="http://developer.apple.com/">ADC Home</a> > <a href="../../referencelibrary/index.html">Reference Library</a> > <a href="../../samplecode/index.html">Sample Code</a> > <a href="../../samplecode/QuickTime/index.html">QuickTime</a> > <a href="../../samplecode/QuickTime/idxMovieBasics-date.html">Movie Basics</a> > <A HREF="javascript:location.replace('index.html');">QTKitImport</A> >
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<h2>/MovieDocument.m</h2>
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<option value="listing2.html">/MovieDocument.h</option>
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<option value="listing4.html">/QTKitPlayerAppDelegate.h</option>
<option value="listing5.html">/QTKitPlayerAppDelegate.m</option></select>
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<p><strong><a href="QTKitImport.zip">Download Sample</a></strong> (“QTKitImport.zip”, 65.3K)<BR>
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<pre class="sourcecodebox">
/*
File: MovieDocument.m
Abstract: Demonstrates how to build and extend a QuickTime media player
application, using the new QTKit framework available in QuickTime 7.
Version: 1.0
© Copyright 2005 Apple Computer, Inc. All rights reserved.
IMPORTANT: This Apple software is supplied to
you by Apple Computer, Inc. ("Apple") in
consideration of your agreement to the following
terms, and your use, installation, modification
or redistribution of this Apple software
constitutes acceptance of these terms. If you do
not agree with these terms, please do not use,
install, modify or redistribute this Apple
software.
In consideration of your agreement to abide by
the following terms, and subject to these terms,
Apple grants you a personal, non-exclusive
license, under Apple's copyrights in this
original Apple software (the "Apple Software"),
to use, reproduce, modify and redistribute the
Apple Software, with or without modifications, in
source and/or binary forms; provided that if you
redistribute the Apple Software in its entirety
and without modifications, you must retain this
notice and the following text and disclaimers in
all such redistributions of the Apple Software.
Neither the name, trademarks, service marks or
logos of Apple Computer, Inc. may be used to
endorse or promote products derived from the
Apple Software without specific prior written
permission from Apple. Except as expressly
stated in this notice, no other rights or
licenses, express or implied, are granted by
Apple herein, including but not limited to any
patent rights that may be infringed by your
derivative works or by other works in which the
Apple Software may be incorporated.
The Apple Software is provided by Apple on an "AS
IS" basis. APPLE MAKES NO WARRANTIES, EXPRESS OR
IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY
AND FITNESS FOR A PARTICULAR PURPOSE, REGARDING
THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE
OR IN COMBINATION WITH YOUR PRODUCTS.
IN NO EVENT SHALL APPLE BE LIABLE FOR ANY
SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE,
REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION OF
THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER
UNDER THEORY OF CONTRACT, TORT (INCLUDING
NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN
IF APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
*/
#import "MovieDocument.h"
#import <QTKit/QTKit.h>
#pragma mark ********* defines *********
#define kDefaultWidthForNonvisualMovies 320
@implementation MovieDocument
// Class methods ---
+ (id)movieDocumentWithMovie:(QTMovie *)movie
{
return [[(MovieDocument *)[self alloc] initWithMovie:movie] autorelease];
}
// Inits ---
-(void)awakeFromNib
{
}
- (id)initWithMovie:(QTMovie *)movie
{
[super init];
// init
[self setFileType:@"MovieDocument"];
[self setMovie:movie];
if (mMovie == nil)
{
[self release];
self = nil;
}
return self;
}
- (void)dealloc
{
[[NSNotificationCenter defaultCenter] removeObserver:self];
[mMovieView setMovie:nil];
[self setMovie:nil];
[super dealloc];
}
#pragma mark ********* NSMenu validation protocol *********
- (BOOL)validateMenuItem:(NSMenuItem *)menuItem
{
BOOL valid = NO;
SEL action;
// init
action = [menuItem action];
// validate
if (action == @selector(doSetFillColorPanel:))
valid = YES;
else if (action == @selector(doShowController:))
{
[menuItem setState:([mMovieView isControllerVisible] ? NSOnState : NSOffState)];
valid = YES;
}
else if (action == @selector(doPreserveAspectRatio:))
{
[menuItem setState:([mMovieView preservesAspectRatio] ? NSOnState : NSOffState)];
valid = (mMovie != nil);
}
else if ((action == @selector(doLoop:)) && mMovie)
{
[menuItem setState:([[mMovie attributeForKey:QTMovieLoopsAttribute] boolValue] ? NSOnState : NSOffState)];
valid = YES;
}
else if ((action == @selector(doLoopPalindrome:)) && mMovie)
{
if ([[mMovie attributeForKey:QTMovieLoopsAttribute] boolValue])
{
[menuItem setState:([[mMovie attributeForKey:QTMovieLoopsBackAndForthAttribute] boolValue] ? NSOnState : NSOffState)];
valid = YES;
}
}
else if (action == @selector(doClone:))
valid = (mMovie != nil);
else if (action == @selector(selectAll:))
valid = (mMovie != nil);
else if (action == @selector(setSelectionToNone:))
valid = (mMovie != nil);
else
valid = [super validateMenuItem:menuItem];
return valid;
}
#pragma mark ********* Setters **************
// Setters ---
- (void)setMovie:(QTMovie *)movie
{
[movie retain];
[mMovie release];
mMovie = movie;
}
- (void)sizeWindowToMovie:(NSNotification *)notification
{
NSRect currWindowBounds, newWindowBounds;
NSPoint topLeft;
static BOOL nowSizing = NO;
if (nowSizing)
return;
nowSizing = YES;
// get the current location and size of the movie window, so we can keep the top-left corner pegged, i.e. fixed
currWindowBounds = [[mMovieView window] frame];
topLeft.x = currWindowBounds.origin.x;
topLeft.y = currWindowBounds.origin.y + currWindowBounds.size.height;
NSSize contentSize = [[mMovie attributeForKey:QTMovieCurrentSizeAttribute] sizeValue];
if ([mMovieView isControllerVisible])
{
// adjust for movie controller height
contentSize.height += [mMovieView controllerBarHeight];
// take into account size difference between movie view
// and enclosing window
contentSize.width += (currWindowBounds.size.width - contentSize.width);
}
if (contentSize.width == 0)
contentSize.width = currWindowBounds.size.width;
newWindowBounds = [[mMovieView window] frameRectForContentRect:NSMakeRect(0, 0, contentSize.width, contentSize.height)];
[[mMovieView window] setFrame:NSMakeRect(topLeft.x, topLeft.y - newWindowBounds.size.height, newWindowBounds.size.width, newWindowBounds.size.height) display:YES];
nowSizing = NO;
}
#pragma mark ********* NSDocument overrides **************
// NSDocument overrides ---
- (NSString *)windowNibName
{
return @"MovieDocument";
}
- (void)windowControllerDidLoadNib:(NSWindowController *)windowController
{
// set up the movie view
if (mMovie)
{
NSSize contentSize = [[mMovie attributeForKey:QTMovieNaturalSizeAttribute] sizeValue];
[mMovieView setMovie:mMovie];
if ([mMovieView isControllerVisible])
{
contentSize.height += [mMovieView movieControllerBounds].size.height;
if (contentSize.width == 0)
{
contentSize.width = kDefaultWidthForNonvisualMovies;
}
}
[[mMovieView window] setContentSize:contentSize];
}
else
[mMovieView setMovie:[QTMovie movie]];
// set the editable state
[mMovie setAttribute:[NSNumber numberWithBool:YES] forKey:QTMovieEditableAttribute];
// watch for movie resizings
if (mMovie)
{
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(sizeWindowToMovie:)
name:QTMovieSizeDidChangeNotification
object:mMovie];
}
}
- (BOOL)writeWithBackupToFile:(NSString *)fullDocumentPath ofType:(NSString *)type saveOperation:(NSSaveOperationType)saveOperation
{
BOOL success = NO;
// update/save
if (saveOperation == NSSaveOperation)
success = [mMovie updateMovieFile];
else
success = [super writeWithBackupToFile:fullDocumentPath ofType:type saveOperation:saveOperation];
return success;
}
- (NSData *)dataRepresentationOfType:(NSString *)docType
{
return [mMovie movieFormatRepresentation];
}
- (BOOL)readFromFile:(NSString *)fileName ofType:(NSString *)type
{
BOOL success = NO;
// read the movie
if ([QTMovie canInitWithFile:fileName])
{
if ([type isEqualTo:@"MovieDocumentData"])
{
NSData *data = [NSData dataWithContentsOfFile:fileName];
[self setMovie:[QTMovie movieWithData:data error:nil]];
}
else
{
[self setMovie:((QTMovie *)[QTMovie movieWithFile:fileName error:nil])];
}
success = (mMovie != nil);
}
return success;
}
- (BOOL)panel:(id)sender shouldShowFilename:(NSString *)filename
{
BOOL isDir = NO;
[[NSFileManager defaultManager] fileExistsAtPath:filename isDirectory:&isDir];
if (isDir)
{
return YES;
}
else
{
return [QTMovie canInitWithFile:filename];
}
}
- (void)printShowingPrintPanel:(BOOL)showPanels
{
NSPrintOperation *printOperation;
// init
printOperation = [NSPrintOperation printOperationWithView:mMovieView printInfo:[self printInfo]];
[printOperation setShowPanels:showPanels];
// print
[self runModalPrintOperation:printOperation delegate:nil didRunSelector:nil contextInfo:nil];
}
#pragma mark ********* actions **************
// Actions ---
- (IBAction)doSetFillColorPanel:(id)sender
{
NSColorPanel *colorPanel;
// init
colorPanel = [NSColorPanel sharedColorPanel];
[colorPanel setAction:@selector(doSetFillColor:)];
[colorPanel setTarget:self];
[colorPanel setColor:[mMovieView fillColor]];
// run the panel
[colorPanel makeKeyAndOrderFront:nil];
}
- (IBAction)doSetFillColor:(id)sender
{
// update the fill color
[mMovieView setFillColor:[sender color]];
}
- (IBAction)doShowController:(id)sender
{
// toggle the controller visibility
[mMovieView setControllerVisible:([sender state] == NSOffState)];
}
- (IBAction)doPreserveAspectRatio:(id)sender
{
// toggle the aspect ratio preservation
[mMovieView setPreservesAspectRatio:([sender state] == NSOffState)];
}
- (IBAction)doLoop:(id)sender
{
// toggle looping
[mMovie setAttribute:[NSNumber numberWithBool:([sender state] == NSOffState)] forKey:QTMovieLoopsAttribute];
}
- (IBAction)doLoopPalindrome:(id)sender
{
// toggle palindrome looping
[mMovie setAttribute:[NSNumber numberWithBool:([sender state] == NSOffState)] forKey:QTMovieLoopsBackAndForthAttribute];
}
- (IBAction)doClone:(id)sender
{
MovieDocument *movieDocument;
// init
movieDocument = [MovieDocument movieDocumentWithMovie:[[mMovie copy] autorelease]];
// set up the document
if (movieDocument)
{
// add the document
[[NSDocumentController sharedDocumentController] addDocument:movieDocument];
// set up the document
[movieDocument makeWindowControllers];
[movieDocument showWindows];
}
}
@end
</pre>
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