source: trunk/SapphireCompatibilityClasses/SapphireMediaMenuController.m @ 938

/*
 * SapphireMediaMenuController.m
 * Sapphire
 *
 * Created by Graham Booker on Oct. 29, 2007.
 * Copyright 2007 Sapphire Development Team and/or www.nanopi.net
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it under the terms of the GNU
 * General Public License as published by the Free Software Foundation; either version 3 of the License,
 * or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
 * Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along with this program; if not,
 * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#import "SapphireMediaMenuController.h"
#import "SapphireFrontRowCompat.h"

@interface SapphireMediaMenuController (compat)
- (id)firstSublayerNamed:(NSString *)name;
- (id)firstControlNamed:(NSString *)name;
- (void)setLayoutManager:(id)newLayout;
- (id)layoutManager;
@end

@interface BRMediaMenuController (compat)
- (void)resetPreviewController;
@end

@interface BRLayerController (compat)
- (void)wasBuried;
- (void)wasExhumed;
@end

@interface SapphireCustomMediaLayout : NSObject
{
        id                                                              realLayout;
        id <SapphireListLayoutDelegate> delegate;               //Not retained
}
@end

@implementation SapphireCustomMediaLayout
- (id)initWithReal:(id)real
{
        self = [super init];
        if(self == nil)
                return self;
        realLayout = [real retain];
        return self;
}

- (void)setDelegate:(id <SapphireListLayoutDelegate>)del
{
        delegate = del;
}

- (void) dealloc
{
        [realLayout release];
        [super dealloc];
}

- (void)layoutSublayersOfLayer:(id)layer
{
        [realLayout layoutSublayersOfLayer:layer];
        NSRect master = [layer frame];
        
        id listLayer;
        
        if([layer respondsToSelector:@selector(firstControlNamed:)])
                listLayer = [layer firstControlNamed:@"list"];
        else
                listLayer = [layer firstSublayerNamed:@"list"];
        
        NSRect listFrame = [listLayer frame];
        listFrame = [delegate listRectWithSize:listFrame inMaster:master];
        [listLayer setFrame:listFrame];
}
- (NSSize)preferredSizeOfLayer:(id)layer
{
        return [realLayout preferredSizeOfLayer:layer];
}

@end

@implementation SapphireMediaMenuController

- (id)initWithScene:(BRRenderScene *)scene
{
        Class mediaMenuControllerClass = [BRMediaMenuController class];
        if([mediaMenuControllerClass instancesRespondToSelector:@selector(initWithScene:)])
                return [super initWithScene:scene];
        
        self = [super init];
        if([mediaMenuControllerClass instancesRespondToSelector:@selector(layoutManager)])
        {
                SapphireCustomMediaLayout *newLayout = [[SapphireCustomMediaLayout alloc] initWithReal:[self layoutManager]];
                [newLayout setDelegate:self];
                [self setLayoutManager:newLayout];
                [newLayout release];
        }
        return self;
}

- (BRRenderScene *)scene
{
        if([[BRMediaMenuController class] instancesRespondToSelector:@selector(scene)])
                return [super scene];
        
        if(NSClassFromString(@"BRRenderScene") != nil)
                return [BRRenderScene sharedInstance];
        return nil;
}

- (NSRect)listRectWithSize:(NSRect)listFrame inMaster:(NSRect)master
{
        return listFrame;
}

- (void)_doLayout
{
        //Shrink the list frame to make room for displaying the filename
        [super _doLayout];
        NSRect master = [SapphireFrontRowCompat frameOfController:self];
        NSRect listFrame = [[_listControl layer] frame];
        listFrame = [self listRectWithSize:listFrame inMaster:master];
        [[_listControl layer] setFrame:listFrame];
}

/*Just because so many classes use self as the list data source*/
- (float)heightForRow:(long)row
{
        return 0.0f;
}

- (BOOL)rowSelectable:(long)row
{
        return YES;
}

- (int)getSelection
{
        BRListControl *list = [self list];
        int row;
        NSMethodSignature *signature = [list methodSignatureForSelector:@selector(selection)];
        NSInvocation *selInv = [NSInvocation invocationWithMethodSignature:signature];
        [selInv setSelector:@selector(selection)];
        [selInv invokeWithTarget:list];
        if([signature methodReturnLength] == 8)
        {
                double retDoub = 0;
                [selInv getReturnValue:&retDoub];
                row = retDoub;
        }
        else
                [selInv getReturnValue:&row];
        return row;
}

- (void)setSelection:(int)sel
{
        BRListControl *list = [self list];
        NSMethodSignature *signature = [list methodSignatureForSelector:@selector(setSelection:)];
        NSInvocation *selInv = [NSInvocation invocationWithMethodSignature:signature];
        [selInv setSelector:@selector(setSelection:)];
        if(strcmp([signature getArgumentTypeAtIndex:2], "l"))
        {
                double dvalue = sel;
                [selInv setArgument:&dvalue atIndex:2];
        }
        else
        {
                long lvalue = sel;
                [selInv setArgument:&lvalue atIndex:2];
        }
        [selInv invokeWithTarget:list];
}

- (void)resetPreviewController
{
        if([[SapphireMediaMenuController superclass] instancesRespondToSelector:@selector(resetPreviewController)])
                [super resetPreviewController];
        else
                //Reset calls update, so we shouldn't if reset exists
                [self updatePreviewController];
}

- (BOOL)brEventAction:(BREvent *)event
{
        BREventRemoteAction remoteAction = [SapphireFrontRowCompat remoteActionForEvent:event];
    if ([(BRControllerStack *)[self stack] peekController] != self)
                remoteAction = 0;
    
    int itemCount = [[(BRListControl *)[self list] datasource] itemCount];
    switch (remoteAction)
    {   
                case kBREventRemoteActionUp:
                case kBREventRemoteActionHoldUp:
                        if([self getSelection] == 0 && [event value] == 1)
                        {
                                [self setSelection:itemCount-1];
                                [self resetPreviewController];
                                return YES;
                        }
                        break;
                case kBREventRemoteActionDown:
                case kBREventRemoteActionHoldDown:
                        if([self getSelection] == itemCount-1 && [event value] == 1)
                        {
                                [self setSelection:0];
                                [self resetPreviewController];
                                return YES;
                        }
                        break;
    }
        return [super brEventAction:event];
}
#include "SapphireStackControllerCompatFunctions.h"

@end