initial blurview

RMBlurredView.h

@@ -0,0 +1,32 @@
+//
+//  RMBlurredView.h
+//
+//  Created by Raffael Hannemann on 08.10.13.
+//  Copyright (c) 2013 Raffael Hannemann. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+
+// Make sure to import QuartzCore and add it to your Linked Libraries of your target
+#import <QuartzCore/QuartzCore.h>
+
+@interface RMBlurredView : NSView {
+	// Keep a reference to the filters for later modification
+	CIFilter *_blurFilter, *_saturationFilter;
+	CALayer *_hostedLayer;
+}
+
+/** The layer will be tinted using the tint color. By default it is a 70% White Color */
+@property (strong,nonatomic) NSColor *tintColor;
+
+/** To get more vibrant colors, a filter to increase the saturation of the colors can be applied. The default value is 2.5. */
+@property (assign,nonatomic) float saturationFactor;
+
+/** The blur radius defines the strength of the Gaussian Blur filter. The default value is 20.0. */
+@property (assign,nonatomic) float blurRadius;
+
+/** Use the following property names in the  User Defined Runtime Attributes in Interface Builder to set up your RMBlurredView on the fly. Note: The color can be set up, too, using 'tintColor'. */
+@property (strong,nonatomic) NSNumber *saturationFactorNumber;
+@property (strong,nonatomic) NSNumber *blurRadiusNumber;
+
+@end

RMBlurredView.m

@@ -0,0 +1,115 @@
+//
+//  RMBlurredView.m
+//
+//  Created by Raffael Hannemann on 08.10.13.
+//  Copyright (c) 2013 Raffael Hannemann. All rights reserved.
+//
+
+#import "RMBlurredView.h"
+
+#define kRMBlurredViewDefaultTintColor [NSColor colorWithCalibratedWhite:1.0 alpha:0.7]
+#define kRMBlurredViewDefaultSaturationFactor 2.0
+#define kRMBlurredViewDefaultBlurRadius 20.0
+
+@implementation RMBlurredView
+
+- (id)initWithFrame:(NSRect)frame
+{
+    self = [super initWithFrame:frame];
+    if (self) {
+		[self setUp];
+    }
+    return self;
+}
+
+- (id)initWithCoder:(NSCoder *)coder
+{
+    self = [super initWithCoder:coder];
+    if (self) {
+        [self setUp];
+    }
+    return self;
+}
+
+- (void) setTintColor:(NSColor *)tintColor {
+	_tintColor = tintColor;
+
+	// Since we need a CGColor reference, store it for the drawing of the layer.
+	if (_tintColor) {
+		[self.layer setBackgroundColor:_tintColor.CGColor];
+	}
+
+	// Trigger a re-drawing of the layer
+	[self.layer setNeedsDisplay];
+}
+
+- (void) setBlurRadius:(float)blurRadius {
+	// Setting the blur radius requires a resetting of the filters
+	_blurRadius = blurRadius;
+	[self resetFilters];
+}
+
+- (void) setBlurRadiusNumber:(NSNumber *)blurRadiusNumber {
+	[self setBlurRadius:blurRadiusNumber.floatValue];
+}
+
+- (void) setSaturationFactor:(float)saturationFactor {
+	// Setting the saturation factor also requires a resetting of the filters
+	_saturationFactor = saturationFactor;
+	[self resetFilters];
+}
+
+- (void) setSaturationFactorNumber:(NSNumber *)saturationFactorNumber {
+	[self setSaturationFactor:saturationFactorNumber.floatValue];
+}
+
+- (void) setUp {
+	// Instantiate a new CALayer and set it as the NSView's layer (layer-hosting)
+	_hostedLayer = [CALayer layer];
+	[self setWantsLayer:YES];
+	[self setLayer:_hostedLayer];
+
+	// Set up the default parameters
+	_blurRadius = kRMBlurredViewDefaultBlurRadius;
+	_saturationFactor = kRMBlurredViewDefaultSaturationFactor;
+	[self setTintColor:kRMBlurredViewDefaultTintColor];
+
+	// It's important to set the layer to mask to its bounds, otherwise the whole parent view might get blurred
+	[self.layer setMasksToBounds:YES];
+
+	// To apply CIFilters on OS X 10.9, we need to set the property accordingly:
+	if ([self respondsToSelector:@selector(setLayerUsesCoreImageFilters:)]) {
+		BOOL flag = YES;
+		NSInvocation *inv = [NSInvocation invocationWithMethodSignature:[self methodSignatureForSelector:@selector(setLayerUsesCoreImageFilters:)]];
+		[inv setSelector:@selector(setLayerUsesCoreImageFilters:)];
+		[inv setArgument:&flag atIndex:2];
+		[inv invokeWithTarget:self];
+	}
+
+	// Set the layer to redraw itself once it's size is changed
+	[self.layer setNeedsDisplayOnBoundsChange:YES];
+
+	// Initially create the filter instances
+	[self resetFilters];
+}
+
+- (void) resetFilters {
+
+	// To get a higher color saturation, we create a ColorControls filter
+	_saturationFilter = [CIFilter filterWithName:@"CIColorControls"];
+	[_saturationFilter setDefaults];
+	[_saturationFilter setValue:[NSNumber numberWithFloat:_saturationFactor] forKey:@"inputSaturation"];
+
+	// Next, we create the blur filter
+	_blurFilter = [CIFilter filterWithName:@"CIGaussianBlur"];
+	[_blurFilter setDefaults];
+	[_blurFilter setValue:[NSNumber numberWithFloat:_blurRadius] forKey:@"inputRadius"];
+
+	// Now we apply the two filters as the layer's background filters
+	[self.layer setBackgroundFilters:@[_saturationFilter, _blurFilter]];
+
+	// ... and trigger a refresh
+	[self.layer setNeedsDisplay];
+}
+
+@end

Sweeper.xcodeproj/project.pbxproj

@@ -7,6 +7,8 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		1907A37E1960B287006645DA /* RMBlurredView.m in Sources */ = {isa = PBXBuildFile; fileRef = 1907A37D1960B287006645DA /* RMBlurredView.m */; };
+		1907A3801960B338006645DA /* QuartzCore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 1907A37F1960B338006645DA /* QuartzCore.framework */; };
 		190953F31876BD0C00943549 /* OCMock.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 190953F11876BD0C00943549 /* OCMock.framework */; };
 		190953F61876BD6600943549 /* OCMock.framework in CopyFiles */ = {isa = PBXBuildFile; fileRef = 190953F11876BD0C00943549 /* OCMock.framework */; };
 		190953F81876BD9C00943549 /* OCMock.framework in CopyFiles */ = {isa = PBXBuildFile; fileRef = 190953F11876BD0C00943549 /* OCMock.framework */; };
@@ -72,6 +74,9 @@
 /* End PBXCopyFilesBuildPhase section */
 
 /* Begin PBXFileReference section */
+		1907A37C1960B287006645DA /* RMBlurredView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RMBlurredView.h; sourceTree = "<group>"; };
+		1907A37D1960B287006645DA /* RMBlurredView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = RMBlurredView.m; sourceTree = "<group>"; };
+		1907A37F1960B338006645DA /* QuartzCore.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = QuartzCore.framework; path = System/Library/Frameworks/QuartzCore.framework; sourceTree = SDKROOT; };
 		190953F11876BD0C00943549 /* OCMock.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = OCMock.framework; path = Frameworks/OCMock.framework; sourceTree = "<group>"; };
 		19487F2B1876A9A2003B637B /* SWProcessedFile.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = SWProcessedFile.h; path = Models/SWProcessedFile.h; sourceTree = "<group>"; };
 		19487F2C1876A9A2003B637B /* SWProcessedFile.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = SWProcessedFile.m; path = Models/SWProcessedFile.m; sourceTree = "<group>"; };
@@ -115,6 +120,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				1907A3801960B338006645DA /* QuartzCore.framework in Frameworks */,
 				19B94DEB18ED0C7D00C7436F /* QuickLook.framework in Frameworks */,
 				19738E4E1875A6D900461F96 /* Cocoa.framework in Frameworks */,
 			);
@@ -134,6 +140,15 @@
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
+		1907A3781960B23B006645DA /* RMBlurredView */ = {
+			isa = PBXGroup;
+			children = (
+				1907A37C1960B287006645DA /* RMBlurredView.h */,
+				1907A37D1960B287006645DA /* RMBlurredView.m */,
+			);
+			name = RMBlurredView;
+			sourceTree = "<group>";
+		};
 		19738E411875A6D900461F96 = {
 			isa = PBXGroup;
 			children = (
@@ -156,6 +171,8 @@
 		19738E4C1875A6D900461F96 /* Frameworks */ = {
 			isa = PBXGroup;
 			children = (
+				1907A37F1960B338006645DA /* QuartzCore.framework */,
+				1907A3781960B23B006645DA /* RMBlurredView */,
 				19B94DEA18ED0C7D00C7436F /* QuickLook.framework */,
 				190953F11876BD0C00943549 /* OCMock.framework */,
 				19738E4D1875A6D900461F96 /* Cocoa.framework */,
@@ -365,6 +382,7 @@
 				19487F2D1876A9A2003B637B /* SWProcessedFile.m in Sources */,
 				19738E5A1875A6D900461F96 /* main.m in Sources */,
 				198D297D187BE7C2001DA802 /* SWDirectorySearchCellView.m in Sources */,
+				1907A37E1960B287006645DA /* RMBlurredView.m in Sources */,
 				19ACB3BD1876540E00168B38 /* SWFileStackViewController.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;

Sweeper/Controllers/SWFileStackViewController.m

@@ -13,6 +13,7 @@
 #import "SWAppDelegate.h"
 #import "SWDirectorySearchCellView.h"
 #import "NSURL+Sweeper.h"
+#import "RMBlurredView.h"
 
 static CGFloat const SEARCHBAR_ANIMATION_DURATION = 0.3;
 
@@ -44,6 +45,8 @@ @interface SWFileStackViewController () <SWFileStackHandlerDelegate>
 @property (nonatomic) BOOL initialized;
 @property (nonatomic, assign) NSUInteger selectedRowIndex;
 @property (nonatomic, retain) NSMutableArray *directoriesInUserHomeDirectory;
+@property (nonatomic, strong) RMBlurredView *blurredFilterView;
+
 
 - (NSString *)systemUserName;
 @end
@@ -81,6 +84,7 @@ - (void)awakeFromNib {
         [directorySearchBar setEnabled:NO];
         [fileTableView setAllowsTypeSelect:NO];
         [fileTableView setSelectionHighlightStyle:NSTableViewSelectionHighlightStyleNone];
+        [self initBlurredFilterView];
 #ifdef RELEASE
         [NSApp setServicesProvider:self];
         NSUpdateDynamicServices();
@@ -218,6 +222,18 @@ - (void)initDataStorageWithPath:(NSString *)path {
 #endif
 }
 
+- (void)initBlurredFilterView {
+    CGFloat width = self.bounds.size.width;
+    CGFloat height = self.bounds.size.height - [self.fileTableView rowHeight];
+    CGFloat xPos = 0;
+    CGFloat yPos = 0;
+    self.blurredFilterView = [[RMBlurredView alloc] initWithFrame:CGRectMake(xPos, yPos, width, height)];
+    [self.blurredFilterView setBlurRadius:5.0];
+    [self.blurredFilterView setAlphaValue:0.0];
+    [self setWantsLayer:YES];
+    [self addSubview:self.blurredFilterView];
+}
+
 
 /*
  Initialize the app using Services