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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">
<html>
<head>
<!-- BEGIN META TAG INFO -->
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<link rel="home" href="http://developer.apple.com/">
<link rel="find" href="http://developer.apple.com/search/">
<link rel="stylesheet" type="text/css" href="../../documentation/css/adcstyle.css" title="fonts">
<script language="JavaScript" src="../../documentation/js/adc.js" type="text/javascript"></script>
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<title>QuickTimeMovieControl - /main.c</title>
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<!-- BEGIN BODY OPEN -->
<body>
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<center>
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<td align="left" colspan="2">
<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/Carbon/index.html">Carbon</a> > <a href="../../samplecode/Carbon/idxQuickTime-date.html">QuickTime</a> > <A HREF="javascript:location.replace('index.html');">QuickTimeMovieControl</A> >
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<table width="680" border="0" cellpadding="0" cellspacing="0">
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<td><h1><div id="pagehead">QuickTimeMovieControl</div></h1></td>
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<h2>/main.c</h2>
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<p><strong><a href="QuickTimeMovieControl.zip">Download Sample</a></strong> (“QuickTimeMovieControl.zip”, 124.2K)<BR>
<strong><a href="QuickTimeMovieControl.dmg">Download Sample</a></strong> (“QuickTimeMovieControl.dmg”, 185.7K)</p>
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<!--googleon: index -->
<pre class="sourcecodebox">/*
File: main.c
Abstract: A skeleton of modern nib-based and Carbon Events-based Carbon application.
QuickTimeMovieControl demonstrates how to easily add QuickTime movie playback
to an application. The meat of the sample is the use of the API CreateMovieControl()
within the routine DisplayMovieInWindow().
With little code, using the "Open URL" menu choice, this sample is able to play
networked QuickTime media such as streaming mp3s, movies, and more. Or you can
choose to open a file locally for playback. The NavServices filter should make
only QuickTime media selectable by taking advantage of CanQuickTimeOpenFile().
Version: 1.0
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 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.
Copyright © 2004 Apple Computer, Inc., All Rights Reserved
*/
#include <Carbon/Carbon.h>
#include <QuickTime/QuickTime.h>
#define kDistanceFromBottomOfWindow 16 // We move the movie control up 16 pixels so the window resize thumb doesn't cover the control, this space can also be used to display status, etc.
struct GlobalAppInfo // Application globals
{
IBNibRef mainNibRef;
};
typedef struct GlobalAppInfo GlobalAppInfo;
static void InstallAppleEventHandlers( void );
static OSStatus DoNewWindow( WindowRef *window );
static void DoPreferences( void );
static OSStatus DoSomething();
static OSStatus NavOpenDocument();
static pascal Boolean NavOpenFilterProc( AEDesc *theItem, void *info, NavCallBackUserData callBackUD, NavFilterModes filterMode );
CFStringRef GetControlCFString( WindowRef window, OSType signature, SInt32 id );
static pascal OSStatus URLWindowEventHandlerProc( EventHandlerCallRef inCallRef, EventRef inEvent, void* inUserData );
void SendWindowCloseEvent( WindowRef window );
OSStatus SetWindowProxyFSRef( WindowRef window, FSRef *fsRef );
OSStatus GetControlBySigAndID( WindowRef window, OSType signature, SInt32 id, ControlRef *control );
static OSStatus DisplayMovieInWindow( WindowRef window, FSRef *fsRef, CFStringRef urlCFString );
static pascal OSStatus ParentMovieControlWindowEventHandler( EventHandlerCallRef inCallRef, EventRef inEvent, void* inUserData );
static pascal OSStatus MovieControlEventHandler( EventHandlerCallRef inCallRef, EventRef inEvent, void* inUserData );
static OSStatus OpenDocuments( AEDescList docList ); // Add call to DisplayMovieInWindow()
static pascal OSStatus CommandProcessEventHandler( EventHandlerCallRef nextHandler, EventRef inEvent, void *userData ); // Change kHICommandNew to behave same as kHICommandOpen
int main( int argc, char *argv[] ); // Added call to EnterMovies()
GlobalAppInfo g;
#pragma mark -
#pragma mark * Main *
int main( int argc, char *argv[] )
{
OSStatus status;
long response;
const EventTypeSpec commandProcessEvents[] = { { kEventClassCommand, kEventCommandProcess } };
BlockZero( &g, sizeof(g) ); // Initialize our globals
status = Gestalt( gestaltSystemVersion, &response );
if ( ! ((status == noErr) && (response >= 0x00001030)) ) // We require Mac OS X 10.3 or greater to run
{
DialogRef alertDialog;
CreateStandardAlert( kAlertStopAlert, CFSTR("Mac OS X 10.3 (minimum) is required for this application"), NULL, NULL, &alertDialog );
RunStandardAlert( alertDialog, NULL, NULL );
ExitToShell();
}
status = EnterMovies(); // Initialize QuickTime
require_noerr( status, CantInitializeQuickTime );
// Create a Nib reference passing the name of the nib file (without the .nib extension) CreateNibReference only searches into the application bundle.
status = CreateNibReference( CFSTR("main"), &g.mainNibRef );
require_noerr( status, CantGetNibRef );
// Once the nib reference is created, set the menu bar. "MainMenu" is the name of the menu bar object. This name is set in InterfaceBuilder when the nib is created.
status = SetMenuBarFromNib( g.mainNibRef, CFSTR("MenuBar") );
require_noerr( status, CantSetMenuBar );
EnableMenuCommand( NULL, kHICommandPreferences ); // Enable Preferences menu item
InstallAppleEventHandlers();
InstallApplicationEventHandler( NewEventHandlerUPP(CommandProcessEventHandler), GetEventTypeCount(commandProcessEvents), commandProcessEvents, NULL, NULL );
RunApplicationEventLoop(); // Call the event loop
CantSetMenuBar:
CantGetNibRef:
CantInitializeQuickTime:
return( status );
}
#pragma mark -
#pragma mark * AppleEvent Handlers *
static pascal OSErr HandleAppleEventOapp( const AppleEvent *theAppleEvent, AppleEvent *reply, long handlerRefcon )
{
return( noErr );
}
static pascal OSErr HandleAppleEventRapp( const AppleEvent *theAppleEvent, AppleEvent *reply, long handlerRefcon )
{
return( noErr );
}
static pascal OSErr HandleAppleEventOdoc( const AppleEvent *theAppleEvent, AppleEvent *reply, long handlerRefcon )
{
AEDescList docList;
OSErr err = AEGetParamDesc( theAppleEvent, keyDirectObject, typeAEList, &docList );
require_noerr( err, CantGetDocList );
err = OpenDocuments( docList );
AEDisposeDesc( &docList );
CantGetDocList:
return( err );
}
static pascal OSErr HandleAppleEventPdoc( const AppleEvent *theAppleEvent, AppleEvent *reply, long handlerRefcon )
{
return( errAEEventNotHandled );
}
static void InstallAppleEventHandlers( void )
{
OSErr status;
status = AEInstallEventHandler( kCoreEventClass, kAEOpenApplication, NewAEEventHandlerUPP(HandleAppleEventOapp), 0, false ); require_noerr( status, CantInstallAppleEventHandler );
status = AEInstallEventHandler( kCoreEventClass, kAEReopenApplication, NewAEEventHandlerUPP(HandleAppleEventRapp), 0, false ); require_noerr( status, CantInstallAppleEventHandler );
status = AEInstallEventHandler( kCoreEventClass, kAEOpenDocuments, NewAEEventHandlerUPP(HandleAppleEventOdoc), 0, false ); require_noerr( status, CantInstallAppleEventHandler );
status = AEInstallEventHandler( kCoreEventClass, kAEPrintDocuments, NewAEEventHandlerUPP(HandleAppleEventPdoc), 0, false ); require_noerr( status, CantInstallAppleEventHandler );
// Note: Since RunApplicationEventLoop installs a Quit AE Handler, there is no need to do it here.
CantInstallAppleEventHandler:
return;
}
#pragma mark -
#pragma mark * CarbonEvent Handlers *
static pascal OSStatus CommandProcessEventHandler( EventHandlerCallRef nextHandler, EventRef inEvent, void *userData )
{
HICommand command;
WindowRef window;
static EventHandlerUPP urlWindowEventHandlerUPP;
OSStatus status = eventNotHandledErr;
const EventTypeSpec windowEvents[] = { { kEventClassCommand, kEventCommandProcess } };
GetEventParameter( inEvent, kEventParamDirectObject, typeHICommand, NULL, sizeof(HICommand), NULL, &command );
switch ( command.commandID )
{
case kHICommandNew:
//status = DoNewWindow( NULL ); // We don't want to create a new window without an image in it
//break; // So, we'll just fall through to the kHICommandOpen case
case kHICommandOpen:
status = NavOpenDocument();
break;
case kHICommandPreferences:
DoPreferences();
break;
case kHICommandRevert: // Place holders, not handled yet
case kHICommandPageSetup:
case kHICommandPrint:
break;
case 'NURL': // Open from Network URL
status = CreateWindowFromNib( g.mainNibRef, CFSTR("URLWindow"), &window );
if ( urlWindowEventHandlerUPP == NULL ) urlWindowEventHandlerUPP = NewEventHandlerUPP( URLWindowEventHandlerProc );
status = InstallWindowEventHandler( window, urlWindowEventHandlerUPP, GetEventTypeCount(windowEvents), windowEvents, window, NULL );
ShowWindow( window );
break;
case 'DoIt': // Our own menu to hook in and Do Something...
status = DoSomething();
break;
}
return( status );
}
static pascal OSStatus URLWindowEventHandlerProc( EventHandlerCallRef inCallRef, EventRef inEvent, void* inUserData )
{
#pragma unused ( inCallRef )
HICommand command;
CFStringRef urlCFString;
OSStatus status = eventNotHandledErr;
UInt32 eventKind = GetEventKind( inEvent );
UInt32 eventClass = GetEventClass( inEvent );
WindowRef window = (WindowRef) inUserData;
switch ( eventClass )
{
case kEventClassCommand:
if ( eventKind == kEventCommandProcess )
{
GetEventParameter( inEvent, kEventParamDirectObject, typeHICommand, NULL, sizeof(HICommand), NULL, &command );
if ( command.commandID == kHICommandOK ) // OK Button was clicked in window
{
urlCFString = GetControlCFString( window, 'ETxt', 0 );
SendWindowCloseEvent( window ); // Close this URL window
status = DoNewWindow( &window ); // Create a new (Hidden) window
status = DisplayMovieInWindow( window, NULL, urlCFString );
SetWindowTitleWithCFString( window, urlCFString ); // Set the Window title
if ( status == noErr ) ShowWindow( window );
else DisposeWindow( window );
if ( urlCFString != NULL ) CFRelease( urlCFString );
}
else if ( command.commandID == kHICommandCancel )
{
SendWindowCloseEvent( window ); // Close this URL window
}
}
break;
}
return( status );
}
#pragma mark -
#pragma mark * Windows *
static void DoPreferences( void )
{ // Some very basic CFPreferences code would be good here
DialogRef alertDialog;
CreateStandardAlert( kAlertStopAlert, CFSTR("No Preferences yet!"), NULL, NULL, &alertDialog );
RunStandardAlert( alertDialog, NULL, NULL );
}
static OSStatus DoNewWindow( WindowRef *outWindow )
{
OSStatus status;
WindowRef window = NULL;
status = CreateWindowFromNib( g.mainNibRef, CFSTR("MainWindow"), &window ); // Create a window. "MainWindow" is the name of the window object. This name is set in InterfaceBuilder when the nib is created.
require_noerr( status, CantCreateWindow );
if ( outWindow == NULL ) ShowWindow( window ); // The window was created hidden so show it if the window parameter is NULL, if it's not, it will be the responsibility of the caller to show it.
SetWindowModified( window, false );
CantCreateWindow:
if ( outWindow != NULL ) *outWindow = window;
return( status );
}
#pragma mark -
#pragma mark * Save/Open Document *
static OSStatus NavOpenDocument()
{
OSStatus status;
NavDialogCreationOptions options;
NavReplyRecord navReply;
static NavObjectFilterUPP navFilterUPP;
NavDialogRef navDialog = NULL;
status = NavGetDefaultDialogCreationOptions( &options );
require_noerr( status, CantGetDefaultOptions );
if ( navFilterUPP == NULL ) navFilterUPP = NewNavObjectFilterUPP( NavOpenFilterProc ); // Filter only documents we can open
status = NavCreateChooseFileDialog( &options, NULL, NULL, NULL, navFilterUPP, NULL, &navDialog );
require_noerr( status, CantCreateDialog );
status = NavDialogRun( navDialog );
require_noerr( status, CantRunDialog );
status = NavDialogGetReply( navDialog, &navReply );
require( (status == noErr) || (status == userCanceledErr), CantGetReply );
if ( navReply.validRecord ) status = OpenDocuments( navReply.selection );
else status = userCanceledErr;
NavDisposeReply( &navReply );
CantGetReply:
CantRunDialog:
if ( navDialog != NULL ) NavDialogDispose( navDialog );
CantCreateDialog:
CantGetDefaultOptions:
return( status );
}
// We use CanQuickTimeOpenFile to determine which files are displayed in ther NavServices open file dialog.
static pascal Boolean NavOpenFilterProc( AEDesc *theItem, void *info, NavCallBackUserData callBackUD, NavFilterModes filterMode )
{
FSRef fsRef;
OSStatus status;
FSSpec fsSpec;
FSCatalogInfo fsCatalogInfo;
Boolean outCanOpenAsMovie;
Boolean canViewItem = false;
if ( theItem->descriptorType == typeFSRef )
{
if ( ((NavFileOrFolderInfo*)info)->isFolder == true ) return( true );
status = AEGetDescData( theItem, &fsRef, sizeof(fsRef) );
require_noerr( status, CantGetFSRef );
status = FSGetCatalogInfo( &fsRef, kFSCatInfoFinderInfo, &fsCatalogInfo, NULL, &fsSpec, NULL );
require_noerr( status, CantGetFSRef );
status = CanQuickTimeOpenFile( &fsSpec, ((FileInfo *)&fsCatalogInfo.finderInfo)->fileType, 0, NULL, &outCanOpenAsMovie, NULL, kQTDontUseDataToFindImporter | kQTAllowOpeningStillImagesAsMovies | kQTAllowAggressiveImporters );
if ( (status == noErr) && (outCanOpenAsMovie==true) ) canViewItem = true;
}
CantGetFSRef:
return( canViewItem );
}
static OSStatus OpenDocuments( AEDescList docList )
{
long index;
FSRef fsRef;
CFStringRef fileName;
WindowRef window = NULL;
long count = 0;
OSStatus status = AECountItems( &docList, &count );
require_noerr( status, CantGetCount );
for( index = 1; index <= count; index++ )
{
if ( (status = AEGetNthPtr( &docList, index, typeFSRef, NULL, NULL, &fsRef, sizeof(FSRef), NULL) ) == noErr )
{
status = DoNewWindow( &window ); // Create a new (Hidden) window
require_noerr( status, CantCreateWindow );
status = LSCopyDisplayNameForRef( &fsRef, &fileName ); // Get the name of the file the Finder displays (may not include file extension)
require_noerr( status, CantGetName );
SetWindowTitleWithCFString( window, fileName ); // Set the Window title
status = DisplayMovieInWindow( window, &fsRef, NULL );
if ( status == noErr ) ShowWindow( window ); // The window was created hidden so show it
else DisposeWindow( window );
}
}
CantGetName:
CantCreateWindow:
CantGetCount:
return( status );
}
#pragma mark -
#pragma mark * Utilities *
OSStatus GetControlBySigAndID( WindowRef window, OSType signature, SInt32 id, ControlRef *control )
{
ControlID controlID;
controlID.id = id;
controlID.signature = signature;
return( GetControlByID( window, &controlID, control ) );
}
CFStringRef GetControlCFString( WindowRef window, OSType signature, SInt32 id )
{
ControlRef control;
SInt32 dataSize;
OSStatus err;
CFStringRef cfString = NULL;
GetControlBySigAndID( window, signature, id, &control );
if ( control == NULL ) goto Bail;
err = GetControlData( control, 0, kControlStaticTextCFStringTag, sizeof(CFStringRef), (Ptr)&cfString, &dataSize );
if ( err != noErr ) goto Bail;
return( cfString );
Bail:
if ( cfString != NULL ) CFRelease( cfString );
return( NULL );
}
OSStatus SetWindowProxyFSRef( WindowRef window, FSRef *fsRef )
{
FSSpec fsSpec;
OSStatus status = fnfErr;
require( (fsRef != NULL), Bail );
status = FSGetCatalogInfo( fsRef, kFSCatInfoNone, NULL, NULL, &fsSpec, NULL );
require_noerr( status, Bail );
status = SetWindowProxyFSSpec( window, &fsSpec );
Bail:
return( status );
}
void SendWindowCloseEvent( WindowRef window )
{
EventRef event;
(void) CreateEvent( NULL, kEventClassWindow, kEventWindowClose, GetCurrentEventTime(), kEventAttributeUserEvent, &event );
(void) SetEventParameter( event, kEventParamDirectObject, typeWindowRef, sizeof(window), &window );
(void) SendEventToWindow( event, window );
(void) ReleaseEvent( event );
}
#pragma mark -
#pragma mark * Specialized Routines *
static OSStatus DoSomething()
{
DebugStr( "\pDoSomething Was Called\n" );
return( noErr );
}
static OSStatus DisplayMovieInWindow( WindowRef window, FSRef *fsRef, CFStringRef urlCFString )
{
OSStatus status;
ControlRef control;
Rect rect;
Movie movie;
OSType dataRefType;
Handle dataRef = NULL;
require( ((fsRef != NULL) || (urlCFString != NULL)) && (window != NULL), Bail );
if ( urlCFString != NULL ) status = QTNewDataReferenceFromURLCFString( urlCFString, 0, &dataRef, &dataRefType );
else status = QTNewDataReferenceFromFSRef( fsRef, 0, &dataRef, &dataRefType ); // http://developer.apple.com/documentation/QuickTime/WhatsNewQT6_4/Chap1/chapter_1_section_6.html
require_noerr( status, Bail );
status = NewMovieFromDataRef( &movie, newMovieActive, 0, dataRef, dataRefType );
require_noerr( status, Bail );
GetMovieBox( movie, &rect ); // Get the natural bounds of the movie
if ( rect.right - rect.left < 150 ) rect.right = rect.left + 150; // Just in case the rect is too small
if ( rect.bottom - rect.top < (80 + kDistanceFromBottomOfWindow) ) rect.bottom = rect.top + (80 + kDistanceFromBottomOfWindow); // Grow it to 80 X 150
SizeWindow( window, rect.right - rect.left, rect.bottom - rect.top + kDistanceFromBottomOfWindow, true ); // Start off the window the size the movie was meant for
status = CreateMovieControl( window, &rect, movie, kMovieControlOptionSetKeysEnabled | kMovieControlOptionLocateTopLeft | kMovieControlOptionEnableEditing | kMovieControlOptionHandleEditingHI, &control ); // http://developer.apple.com/documentation/QuickTime/QT6WhatsNew/Chap1/chapter_1_section_25.html
// Enabling this code will grow the Movie control with the window.
// The trick is in growing the control in a flicker-free way. We do this by installing the event handler for the kEventControlBoundsChanged
// event on the parent control. This is how control redrawing should be done. You may be tempted to install an event on the window target
// for the kEventWindowBoundsChanging event, but this does cause flicker as the parent control (window) is erased and then the movie frame is drawn.
// In addition we get notified when the Control is disposed via the kEventControlDispose event at which time we stop the move from playing. This
// isn't neccesary, but without it the buffers will play through even though the Control was disposed.
if ( true )
{
ControlRef parentControl;
static EventHandlerUPP parentControlEventHandlerUPP;
static EventHandlerUPP movieControlEventHandlerUPP;
const EventTypeSpec parentControlEvents[] = { { kEventClassControl, kEventControlBoundsChanged } };
const EventTypeSpec movieControlEvents[] = { { kEventClassControl, kEventControlDispose } };
SizeControl( control, rect.right - rect.left, rect.bottom - rect.top );
GetSuperControl( control, &parentControl );
if ( parentControlEventHandlerUPP == NULL ) parentControlEventHandlerUPP = NewEventHandlerUPP( ParentMovieControlWindowEventHandler );
status = InstallControlEventHandler( parentControl, parentControlEventHandlerUPP, GetEventTypeCount(parentControlEvents), parentControlEvents, control, NULL );
if ( movieControlEventHandlerUPP == NULL ) movieControlEventHandlerUPP = NewEventHandlerUPP( MovieControlEventHandler );
status = InstallControlEventHandler( control, movieControlEventHandlerUPP, GetEventTypeCount(movieControlEvents), movieControlEvents, control, NULL );
}
SetWindowProxyFSRef( window, fsRef );
Bail:
if ( dataRef != NULL ) DisposeHandle( dataRef );
return( status );
}
// Resize the movie control when the controls parent is resized, in this case the windows root control.
static pascal OSStatus ParentMovieControlWindowEventHandler( EventHandlerCallRef inCallRef, EventRef inEvent, void* inUserData )
{
Rect rect;
ControlRef control = (ControlRef) inUserData;
UInt32 eventClass = GetEventClass( inEvent );
UInt32 eventKind = GetEventKind( inEvent );
OSStatus status = eventNotHandledErr;
switch ( eventClass )
{
case kEventClassControl:
if ( eventKind == kEventControlBoundsChanged )
{
(void) GetEventParameter( inEvent, kEventParamCurrentBounds, typeQDRectangle, NULL, sizeof(Rect), NULL, &rect );
rect.bottom -= kDistanceFromBottomOfWindow;
SizeControl( control, rect.right - rect.left, rect.bottom - rect.top );
}
break;
}
return( status );
}
// Call StopMovie() when the control is disposed. Without calling StopMovie, the audio may continue to play for one or
// two seconds after the control is disposed.
static pascal OSStatus MovieControlEventHandler( EventHandlerCallRef inCallRef, EventRef inEvent, void *inUserData )
{
OSStatus err;
SInt32 dataSize;
Movie movie;
ControlRef control = (ControlRef) inUserData;
UInt32 eventClass = GetEventClass( inEvent );
UInt32 eventKind = GetEventKind( inEvent );
OSStatus status = eventNotHandledErr;
switch ( eventClass )
{
case kEventClassControl:
if ( eventKind == kEventControlDispose )
{
err = GetControlData( control, 0, kMovieControlDataMovie, sizeof(Movie), (Ptr)&movie, &dataSize ); // kMovieControlDataMovie tag allows us to get the Movie from the Control
if ( err == noErr )
{
CallNextEventHandler( inCallRef, inEvent );
DisposeMovie( movie );
status = noErr; // We handled the event
}
}
break;
}
return( status );
}
</pre>
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