source: trunk/SapphireBrowser.m @ 42

//
//  SapphireBrowser.m
//  Sapphire
//
//  Created by pnmerrill on 6/20/07.
//  Copyright 2007 __MyCompanyName__. All rights reserved.
//

#import "SapphireBrowser.h"
#import <BackRow/BackRow.h>
#import "SapphireMetaData.h"
#import "SapphireMarkMenu.h"
#import "SapphireMedia.h"
#import "SapphireVideoPlayer.h"
#import "SapphireMediaPreview.h"

@interface SapphireBrowser (private)
- (void)reloadDirectoryContents;
- (void)processFiles:(NSArray *)files;
- (void)filesProcessed:(NSDictionary *)files;
- (NSMutableDictionary *)metaDataForPath:(NSString *)path;
@end

@interface BRTVShowsSortControl (bypassAccess)
- (BRTVShowsSortSelectorStateLayer *)gimmieDate;
- (BRTVShowsSortSelectorStateLayer *)gimmieShow;
- (int)gimmieState;
@end

@interface BRTVShowsSortSelectorStateLayer (bypassAccess)
- (BRTextLayer *)gimmieDate;
- (BRTextLayer *)gimmieShow;
@end


@implementation BRTVShowsSortControl (bypassAccess)
- (BRTVShowsSortSelectorStateLayer *)gimmieDate
{
        return _sortedByDateWidget;
}

- (BRTVShowsSortSelectorStateLayer *)gimmieShow
{
        return _sortedByShowWidget;
}

- (int)gimmieState
{
        return _state;
}

@end

@implementation BRTVShowsSortSelectorStateLayer (bypassAccess)
- (BRTextLayer *)gimmieDate
{
        return _dateLayer;
}

- (BRTextLayer *)gimmieShow
{
        return _showLayer;
}

@end

@implementation SapphireBrowser

- (void)replaceControlText:(BRTextLayer *)control withString:(NSString *)str
{
        NSMutableAttributedString  *dateString = [[control attributedString] mutableCopy];
        [dateString replaceCharactersInRange:NSMakeRange(0, [dateString length]) withString:str];
        [control setAttributedString:dateString];
        [dateString release];
}

- (id) initWithScene: (BRRenderScene *) scene metaData: (SapphireDirectoryMetaData *)meta
{
        return [self initWithScene:scene metaData:meta predicate:NULL];
}

- (id) initWithScene: (BRRenderScene *) scene metaData: (SapphireDirectoryMetaData *)meta predicate:(SapphirePredicate *)newPredicate;
{
        if ( [super initWithScene: scene] == nil ) return ( nil );
                
        _names = [NSMutableArray new];
        metaData = [meta retain];
        [metaData setDelegate:self];
        predicate = [newPredicate retain];
        sort = [[BRTVShowsSortControl alloc] initWithScene:scene state:1];

        NSRect frame = [self masterLayerFrame];
        NSRect sortRect;
        sortRect.size = [sort preferredSizeForScreenHeight:frame.size.height];
        sortRect.origin.y = frame.origin.y;
        NSRect listFrame = [self listFrameForBounds:frame.size];
        sortRect.origin.x = (listFrame.size.width - sortRect.size.width)/2 + listFrame.origin.x;
        [self replaceControlText:[[sort gimmieDate] gimmieDate] withString:@"Select"];
        [self replaceControlText:[[sort gimmieDate] gimmieShow] withString:@"Mark"];
        [self replaceControlText:[[sort gimmieShow] gimmieDate] withString:@"Select"];
        [self replaceControlText:[[sort gimmieShow] gimmieShow] withString:@"Mark"];
        [sort setFrame:sortRect];
        [self addControl:sort];
        
        // set the datasource *after* you've setup your array
        [[self list] setDatasource: self] ;
                
        return ( self );
}

- (void)reloadDirectoryContents
{
        int divider = 0;
        [metaData reloadDirectoryContents];
        [_names removeAllObjects];
        if(predicate == NULL)
        {
                [_names addObjectsFromArray:[metaData directories]];
                divider = [_names count];
                [_names addObjectsFromArray:[metaData files]];
        }
        else
        {
                [_names addObjectsFromArray:[metaData predicatedDirectories:predicate]];
                divider = [_names count];
                [_names addObjectsFromArray:[metaData predicatedFiles:predicate]];
        }

        BRListControl *list = [self list];
        [list reload];
        if(divider && divider != [_names count])
                [list addDividerAtIndex:divider];
        [[self scene] renderScene];
}

- (void) dealloc
{
    // always remember to deallocate your resources
        [_names release];
        [metaData release];
        [predicate release];
        [sort release];
    [super dealloc];
}

- (void) willBePushed
{
    // We're about to be placed on screen, but we're not yet there
    
    // always call super
    [super willBePushed];
        [self reloadDirectoryContents];
}

- (void) wasPushed
{
    // We've just been put on screen, the user can see this controller's content now
    
    // always call super
    [super wasPushed];
        [metaData resumeImport];
}

- (void) willBePopped
{
    // The user pressed Menu, but we've not been removed from the screen yet
    
    // always call super
    [super willBePopped];
        [metaData cancelImport];
        [metaData setDelegate:nil];
}

- (void) wasPopped
{
    // The user pressed Menu, removing us from the screen
    
    // always call super
    [super wasPopped];
}

- (void) willBeBuried
{
    // The user just chose an option, and we will be taken off the screen
    
    // always call super
        [metaData cancelImport];
    [super willBeBuried];
}

- (void) wasBuriedByPushingController: (BRLayerController *) controller
{
    // The user chose an option and this controller os no longer on screen
    
    // always call super
    [super wasBuriedByPushingController: controller];
}

- (void) willBeExhumed
{
    // the user pressed Menu, but we've not been revealed yet
    
        id controller = [[self stack] peekController];
        if([controller isKindOfClass:[BRVideoPlayerController class]])
        {
                BRVideoPlayer *player = [(BRVideoPlayerController *)controller player];
                float elapsed = [player elapsedPlaybackTime];
                float duration = [player trackDuration];
                if(elapsed / duration > 0.9f)
                {
                        [currentPlayFile setWatched:YES];
                        [[self list] reload];
                        [[self scene] renderScene];
                }
                if(elapsed < duration - 2)
                        [currentPlayFile setResumeTime:[player elapsedPlaybackTime]];
                else
                        [currentPlayFile setResumeTime:0];
                [currentPlayFile writeMetaData];
        }
        [currentPlayFile release];
        currentPlayFile = nil;
        [self reloadDirectoryContents];
    // always call super
    [super willBeExhumed];
}

- (void) wasExhumedByPoppingController: (BRLayerController *) controller
{
    // handle being revealed when the user presses Menu
    
    // always call super
    [super wasExhumedByPoppingController: controller];
        if([_names count] == 0)
                [[self stack] popController];
        [metaData resumeImport];
}

- (long) itemCount
{
    // return the number of items in your menu list here
        if([_names count])
                return ( [ _names count]);
        // Put up an empty item
        return 1;
}

- (id<BRMenuItemLayer>) itemForRow: (long) row
{
/*
    // build a BRTextMenuItemLayer or a BRAdornedMenuItemLayer, etc. here
    // return that object, it will be used to display the list item.
    return ( nil );
*/
        if( [_names count] == 0)
        {
                BRAdornedMenuItemLayer *result = [BRAdornedMenuItemLayer adornedMenuItemWithScene:[self scene]];
                [[result textItem] setTitle:@"< EMPTY >"];
                return result;
        }
        if( row >= [_names count] ) return ( nil ) ;
        
        BRAdornedMenuItemLayer * result = nil ;
        NSString *name = [_names objectAtIndex:row];
        BOOL watched = NO;
        if([[metaData directories] containsObject:name])
        {
                result = [BRAdornedMenuItemLayer adornedFolderMenuItemWithScene: [self scene]] ;
                SapphireDirectoryMetaData *meta = [metaData metaDataForDirectory:name];
                watched = [meta watched];
        }
        else
        {
                result = [BRAdornedMenuItemLayer adornedMenuItemWithScene: [self scene]] ;
                SapphireFileMetaData *meta = [metaData metaDataForFile:name];
                if(meta != nil)
                {
                        [[result textItem] setRightJustifiedText:[meta sizeString]];
                        watched = [meta watched];
                }
        }
        if(!watched)
                [result setLeftIcon:[[BRThemeInfo sharedTheme] unplayedPodcastImageForScene:[self scene]]]; 
                        
        // add text

        [[result textItem] setTitle: name] ;
                                
        return ( result ) ;
}

- (NSString *) titleForRow: (long) row
{

        if ( row >= [ _names count] ) return ( nil );
        
        NSString *result = [ _names objectAtIndex: row] ;
        return ( result ) ;
}

- (long) rowForTitle: (NSString *) title
{
    long result = -1;
    long i, count = [self itemCount];
    for ( i = 0; i < count; i++ )
    {
        if ( [title isEqualToString: [self titleForRow: i]] )
        {
            result = i;
            break;
        }
    }
    
    return ( result );
}

- (void) itemSelected: (long) row
{
    // This is called when the user presses play/pause on a list item
        
        if([_names count] == 0)
        {
                [[self stack] popController];
                return;
        }
        
        NSString *name = [_names objectAtIndex:row];
        NSString *dir = [metaData path];
        
        if([sort gimmieState] == 2)
        {
                id meta = nil;
                if([[metaData directories] containsObject:name])
                        meta = [metaData metaDataForDirectory:name];
                else
                        meta = [metaData metaDataForFile:name];
                id controller = [[SapphireMarkMenu alloc] initWithScene:[self scene] metaData:meta];
                [[self stack] pushController:controller];
                [controller release];
                return;
        }
        
        if([[metaData directories] containsObject:name])
        {
                id controller = [[SapphireBrowser alloc] initWithScene:[self scene] metaData:[metaData metaDataForDirectory:name] predicate:predicate];
                [controller setListTitle:name];
                [controller setListIcon:[self listIcon]];
                [[self stack] pushController:controller];
                [controller release];
        }
        else
        {
                BRVideoPlayerController *controller = [[BRVideoPlayerController alloc] initWithScene:[self scene]];
                
                currentPlayFile = [[metaData metaDataForFile:name] retain];
                [controller setAllowsResume:YES];
                
                NSString *path = [dir stringByAppendingPathComponent:name];
                NSURL *url = [NSURL fileURLWithPath:path];
                SapphireMedia *asset  =[[SapphireMedia alloc] initWithMediaURL:url];
                [asset setResumeTime:[currentPlayFile resumeTime]];

                SapphireVideoPlayer *player = [[SapphireVideoPlayer alloc] init];
                [player setMetaData:currentPlayFile];
                NSError *error = nil;
                [player setMedia:asset error:&error];
                
                [controller setVideoPlayer:player];
                [[self stack] pushController:controller];

                [asset release];
                [player release];
                [controller release];
        }
}

- (id<BRMediaPreviewController>) previewControllerForItem: (long) item
{
    // If subclassing BRMediaMenuController, this function is called when the selection cursor
    // passes over an item.
        NSString *name = [_names objectAtIndex:item];
        if([[metaData files] containsObject:name])
        {
                SapphireFileMetaData *fileMeta = [metaData metaDataForFile:name];
                
                SapphireMediaPreview *preview = [[SapphireMediaPreview alloc] initWithScene:[self scene]];
                
                NSURL *url = [NSURL fileURLWithPath:@"/System/Library/PrivateFrameworks/BackRow.framework/Resources/Movies.png"];
                CGImageSourceRef sourceRef = CGImageSourceCreateWithURL((CFURLRef)url, NULL);
                CGImageRef imageRef = nil;
                if(sourceRef)
                {
                        imageRef = CGImageSourceCreateImageAtIndex(sourceRef, 0, NULL);
                        CFRelease(sourceRef);
                }
                if(imageRef)
                {
                        [preview setImage:imageRef];
                        CFRelease(imageRef);
                }
                
                NSMutableDictionary *attrs = [[[BRThemeInfo sharedTheme] metadataSummaryFieldAttributes] mutableCopy];
                NSMutableParagraphStyle *style = [[NSMutableParagraphStyle alloc] init];
                float tabLoc = [[self masterLayer] frame].size.width * 0.4f;
                NSTextTab *myTab = [[NSTextTab alloc] initWithType:NSRightTabStopType location:tabLoc];
                NSArray *tabs = [NSArray arrayWithObject:myTab];
                [myTab release];
                [style setTabStops:tabs];
                [attrs removeObjectForKey:@"CTTextAlignment"];
                [attrs setObject:style forKey:NSParagraphStyleAttributeName];
                [preview setText:[[[NSAttributedString alloc] initWithString:[fileMeta metaDataDescription] attributes:attrs] autorelease]];
                [attrs release];
                
                return [preview autorelease];
        }
    return ( nil );
}

- (void)updateComplete
{
        BRListControl *list = [self list];
        [list reload];
        [[self scene] renderScene];
}

@end