ETScrollView.m

//
//  ETScrollView.m
//  Notation
//
//  Created by elasticthreads on 3/14/11.
//

#import "ETScrollView.h"
#import "ETOverlayScroller.h"
#import "GlobalPrefs.h"

@implementation ETScrollView


+ (BOOL)isCompatibleWithResponsiveScrolling{
    return NO;
}


- (void)awakeFromNib{
    needsOverlayTiling=NO;
    if ([self.documentView isKindOfClass:[NSTableView class]]) {
        scrollerClass=NSClassFromString(@"ETOverlayScroller");
        [self setAutohidesScrollers:YES];
        if (!IsLionOrLater) {
            needsOverlayTiling=YES;
        }
    }else{
        scrollerClass=NSClassFromString(@"ETTransparentScroller");
    }
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
    if (IsLionOrLater) {
        [[GlobalPrefs defaultPrefs] registerForSettingChange:@selector(setUseETScrollbarsOnLion:sender:) withTarget:self];
        [self setHorizontalScrollElasticity:NSScrollElasticityNone];
        [self setVerticalScrollElasticity:NSScrollElasticityAllowed];
    }
#endif
    [self changeUseETScrollbarsOnLion];
}


#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
- (void)settingChangedForSelectorString:(NSString*)selectorString{
    if (IsLionOrLater&&([selectorString isEqualToString:SEL_STR(setUseETScrollbarsOnLion:sender:)])){
        [self changeUseETScrollbarsOnLion];
    }
}

- (void)changeUseETScrollbarsOnLion{
    id theScroller;
    if (!IsLionOrLater||[[GlobalPrefs defaultPrefs]useETScrollbarsOnLion]) {
        theScroller=[[scrollerClass alloc]init];
        [theScroller setFillBackground:!IsLionOrLater&&(scrollerClass==[ETTransparentScroller class])];
    }else{
        theScroller=[[NSScroller alloc]init];
    }
    NSScrollerStyle style=0;
    if (IsLionOrLater) {
        style=[[theScroller class] preferredScrollerStyle];
    }
    [self setVerticalScroller:theScroller];

    if (IsLionOrLater) {
        [theScroller setScrollerStyle:style];
        [self setScrollerStyle:style];
    }
    [theScroller release];
    [self tile];
    [self reflectScrolledClipView:[self contentView]];
    //    if (IsLionOrLater) {
    //        [self flashScrollers];
    //    }
}
#endif

- (void)tile {
    [super tile];
    if (needsOverlayTiling) {
        if (![[self verticalScroller] isHidden]) {
            //            NSRect vsRect=[[self verticalScroller] frame];
            NSRect conRect = [[self contentView] frame];
            //            NSView *wdContent = [[self contentView] retain];
            conRect.size.width = conRect.size.width + [[self verticalScroller] frame].size.width;
            [[self contentView] setFrameSize:conRect.size];
            //            [wdContent setFrame:conRect];
            //            [wdContent release];
            //            [[self verticalScroller] setFrame:vsRect];
        }
    }
}


@end