main.c

/*
 
File: main.c
 
Abstract: Main source file for MovieVideoChart
 
Version: 1.0
 
© Copyright 2005 Apple Computer, Inc. All rights reserved.
 
IMPORTANT:  This Apple software is supplied to 
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consideration of your agreement to the following 
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license, under Apple's copyrights in this 
original Apple software (the "Apple Software"), 
to use, reproduce, modify and redistribute the 
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Apple Software without specific prior written 
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stated in this notice, no other rights or 
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Apple Software may be incorporated.
 
The Apple Software is provided by Apple on an "AS 
IS" basis.  APPLE MAKES NO WARRANTIES, EXPRESS OR 
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AND FITNESS FOR A PARTICULAR PURPOSE, REGARDING 
THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE 
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IN NO EVENT SHALL APPLE BE LIABLE FOR ANY 
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
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*/
 
#include <Carbon/Carbon.h>
 
#include "ChartView.h"
#include "ChartWindow.h"
 
static OSStatus openWindowsForAEDescItems( AEDescList descList )
{
    OSStatus err = noErr;
    FSRef fileRef;
    long index;
    long itemsInList = 0;
    AEKeyword keyword;
    DescType actualType;
    Size actualSize;
    
    err = AECountItems( &descList, &itemsInList );
    if (err) goto bail;
    
    for( index = 1; index <= itemsInList; index++ ) {
        err = AEGetNthPtr( &descList, index, typeFSRef, &keyword, &actualType, &fileRef,
                                sizeof(FSRef), &actualSize );
        if (err) goto bail;
        
        CreateChartWindowForFile( &fileRef );
        if (err) goto bail;
    }
    
bail:
    return err;
}
 
static pascal OSErr 
DoAEOpenDocument(
    const AppleEvent *message, 
    AppleEvent *reply, 
    long refcon )
{
    OSErr       err;
    AEDescList  docList;
 
    docList.dataHandle = nil;
 
    err = AEGetParamDesc( message, keyDirectObject, typeAEList, &docList );
    if( err ) goto bail;
    
    err = openWindowsForAEDescItems( docList );
    if( err ) goto bail;
 
bail:
    if( docList.dataHandle )
        AEDisposeDesc( &docList );
    
    return err;
}
 
static void promptForAndOpenFiles(void)
{
    OSStatus err = noErr;
    NavDialogCreationOptions navDialogOptions = {0};
    NavDialogRef navDialog = NULL;
    NavReplyRecord navReply = {0};
    
    err = NavGetDefaultDialogCreationOptions( &navDialogOptions );
    require_noerr( err, bail );
    
    navDialogOptions.optionFlags |= kNavAllowMultipleFiles;
 
    err = NavCreateGetFileDialog( &navDialogOptions, NULL, NULL, NULL, NULL, NULL, &navDialog );
    require_noerr( err, bail );
 
    err = NavDialogRun( navDialog );
    require_noerr( err, bail );
    
    err = NavDialogGetReply( navDialog, &navReply );
    require_noerr( err, bail );
    
    if( !err && ( navReply.validRecord == false ) )
        err = userCanceledErr;
    
    if( !err )
        err = openWindowsForAEDescItems( navReply.selection );
 
bail:   
    NavDisposeReply( &navReply );
    NavDialogDispose( navDialog );
}
 
static OSStatus handleCommand( HICommand hiCommand )
{
    OSStatus err;
    
    switch ( hiCommand.commandID )
    {
        case kHICommandOpen:
            promptForAndOpenFiles();
            err = noErr;
            break;
 
        default:
            err = eventNotHandledErr;
            break;
    }
    return err;
}
 
static pascal OSStatus ApplicationEventHandler(
    EventHandlerCallRef inHandlerCallRef,
    EventRef            inEvent,
    void*               inUserData )
{
#pragma unused( inHandlerCallRef, inUserData )
    OSStatus        err = eventNotHandledErr;
    UInt32          eventClass = GetEventClass( inEvent );
    UInt32          eventKind = GetEventKind( inEvent );
    HICommand       hiCommand;
 
    if ( eventClass == kEventClassCommand && eventKind == kEventProcessCommand )
    {
        err = GetEventParameter( inEvent, kEventParamDirectObject, typeHICommand,
            NULL, sizeof( HICommand ), NULL, &hiCommand );
        require_noerr( err, CantGetEventParameter );
        
        err = handleCommand( hiCommand );
    }
    
CantGetEventParameter:
    return err;
}
 
DEFINE_ONE_SHOT_HANDLER_GETTER( ApplicationEventHandler );
 
static void
InitAppleEvents(void)
{
    const long noRefCon = 0;
    
    AEInstallEventHandler( kCoreEventClass, kAEOpenDocuments, NewAEEventHandlerUPP(DoAEOpenDocument), noRefCon, false );
}
 
int main(int argc, char* argv[])
{
    IBNibRef        nibRef;
    OSStatus        err;
    EventTypeSpec   appEventList[] = { { kEventClassCommand, kEventProcessCommand } };
    
    // Register our custom HIView subclass.
    err = ChartView_Register();
    require_noerr( err, CantRegisterChartView );
 
    InitAppleEvents();
    EnterMovies();
 
    // Create a Nib reference passing the name of the nib file (without the .nib extension)
    // CreateNibReference only searches into the application bundle.
    err = CreateNibReference(CFSTR("main"), &nibRef);
    require_noerr( err, 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.
    err = SetMenuBarFromNib(nibRef, CFSTR("MenuBar"));
    require_noerr( err, CantSetMenuBar );
 
    // We don't need the nib reference anymore.
    DisposeNibReference(nibRef);
    
    // Install the application event handler
    err = InstallApplicationEventHandler( GetApplicationEventHandlerUPP(),
            GetEventTypeCount( appEventList ), appEventList, NULL, NULL );
    require_noerr( err, CantInstallAppEventHandler );
    
    // Call the event loop
    RunApplicationEventLoop();
 
CantInstallAppEventHandler:
CantCreateWindow:
CantSetMenuBar:
CantGetNibRef:
CantRegisterChartView:
    return err;
}