Retired Document
Important: This sample code may not represent best practices for current development. The project may use deprecated symbols and illustrate technologies and techniques that are no longer recommended.
QTKitPlayerAppDelegate.m
/* |
File: QTKitPlayerAppDelegate.h |
Description: Application Delegate of the QTKitPlayer |
Is responsible for validating items in the menu |
and performing certain actions in the menu |
Originally introduced at WWDC 2004 at |
Session 214, "Programming QuickTime with Cocoa." |
Sample code is explained in detail in |
"QTKit Programming Guide" documentation. |
Copyright: © Copyright 2004, 2005 Apple Computer, Inc. |
All rights reserved. |
Disclaimer: 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 AppleÕs 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 "QTKit/QTKit.h" |
#import "QTKitPlayerAppDelegate.h" |
#import "MovieDocument.h" |
#import "PopUpTableColumn.h" |
enum |
{ |
kQTKitPlayerOpenAsURL = 0, |
kQTKitPlayerOpenAsData |
}; |
@implementation QTKitPlayerAppDelegate |
#pragma mark --- NSMenu validation protocol --- |
- (BOOL)validateMenuItem:(NSMenuItem *)menuItem |
{ |
BOOL valid = NO; |
SEL action; |
// init |
action = [menuItem action]; |
// validate |
if (action == @selector(doOpenURL:)) |
valid = YES; |
else if (action == @selector(doOpenURLData:)) |
valid = YES; |
// If there is a document, validate the "Audio Extraction" menu item |
else if (action == @selector(doShowAudioInfo:)) |
valid = [[NSDocumentController sharedDocumentController] currentDocument] != nil ? YES : NO; |
else |
valid = [[NSDocumentController sharedDocumentController] validateMenuItem:menuItem]; |
return valid; |
} |
#pragma mark --- OpenURLPanel delegates --- |
- (void)openURLPanelDidEnd:(OpenURLPanel *)openURLPanel returnCode:(int)returnCode contextInfo:(void *)contextInfo |
{ |
BOOL closePanel = YES; |
// create the movie document |
if (returnCode == NSOKButton) |
closePanel = [self createMovieDocumentWithURL:[openURLPanel url] asData:((long)contextInfo == kQTKitPlayerOpenAsData)]; |
if (closePanel) |
[openURLPanel close]; |
} |
#pragma mark --- actions --- |
- (IBAction)doOpenURL:(id)sender |
{ |
[[OpenURLPanel openURLPanel] beginSheetWithWindow:nil delegate:self didEndSelector:@selector(openURLPanelDidEnd:returnCode:contextInfo:) contextInfo:((void *)kQTKitPlayerOpenAsURL)]; |
} |
- (IBAction)doOpenURLData:(id)sender |
{ |
[[OpenURLPanel openURLPanel] beginSheetWithWindow:nil delegate:self didEndSelector:@selector(openURLPanelDidEnd:returnCode:contextInfo:) contextInfo:((void *)kQTKitPlayerOpenAsData)]; |
} |
// Show the audio routing panel |
- (IBAction) doShowAudioInfo:(id)sender |
{ |
NSDocument *document; |
// Get the current document (if current not found, then the first) document |
document = [[NSDocumentController sharedDocumentController] currentDocument]; |
if (document == nil) |
{ |
NSArray *docs = [[NSDocumentController sharedDocumentController] documents]; |
if ([docs count] != 0) |
{ |
document = [docs objectAtIndex:0]; |
} |
} |
// Create an instace of the audio panel if we don't have one already |
// Ask the panel to show itself |
if (document != nil) |
{ |
MovieDocument *movieDoc = (MovieDocument*) document; |
if ([movieDoc audioPropInfo] == nil) |
{ |
[movieDoc setAudioPropInfo:[[AudioPropInfo audioPropInfo] autorelease]]; |
[[movieDoc audioPropInfo] setMovie:[movieDoc movie] fileName:[movieDoc fileName]]; |
} |
[[movieDoc audioPropInfo] showPanel]; |
} |
} |
#pragma mark --- methods --- |
- (BOOL)createMovieDocumentWithURL:(NSURL *)url asData:(BOOL)asData |
{ |
NSDocument *movieDocument = nil; |
NSDocumentController *documentController; |
BOOL success = YES; |
// init |
documentController = [NSDocumentController sharedDocumentController]; |
// try to create the document from the URL |
if (url) |
{ |
if (asData) |
movieDocument = [documentController makeDocumentWithContentsOfURL:url ofType:@"MovieDocumentData"]; |
else |
movieDocument = [documentController makeDocumentWithContentsOfURL:url ofType:@"MovieDocument"]; |
} |
// add the document |
if (movieDocument) |
{ |
[documentController addDocument:movieDocument]; |
// setup |
[movieDocument makeWindowControllers]; |
[movieDocument updateChangeCount:NSChangeCleared]; |
[movieDocument showWindows]; |
} |
else |
{ |
NSRunAlertPanel(@"Invalid movie", @"The url is not a valid movie.", nil, nil, nil); |
success = NO; |
} |
return success; |
} |
#pragma mark --- delegates --- |
// don't want an untitled document opened upon program launch |
// so return NO here |
- (BOOL)applicationShouldOpenUntitledFile:(NSApplication *)sender |
{ |
return NO; |
} |
@end |
Copyright © 2005 Apple Computer, Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2005-06-27