[vlc-commits] macosx: Add VLCSlider(Cell)

Marvin Scholz git at videolan.org
Tue Jul 18 21:53:12 CEST 2017


vlc | branch: master | Marvin Scholz <epirat07 at gmail.com> | Tue Jul 18 03:02:20 2017 +0200| [105fa81d759f2dd0978c8e754482899821229438] | committer: Marvin Scholz

macosx: Add VLCSlider(Cell)

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=105fa81d759f2dd0978c8e754482899821229438
---

 .../package/macosx/VLC.xcodeproj/project.pbxproj   |  16 +-
 modules/gui/macosx/Makefile.am                     |   4 +-
 modules/gui/macosx/VLCSlider.h                     |  30 +++
 modules/gui/macosx/VLCSlider.m                     |  58 +++++
 modules/gui/macosx/VLCSliderCell.h                 |  52 ++++
 modules/gui/macosx/VLCSliderCell.m                 | 266 +++++++++++++++++++++
 6 files changed, 423 insertions(+), 3 deletions(-)

diff --git a/extras/package/macosx/VLC.xcodeproj/project.pbxproj b/extras/package/macosx/VLC.xcodeproj/project.pbxproj
index 734aef09df..d99ff94c02 100644
--- a/extras/package/macosx/VLC.xcodeproj/project.pbxproj
+++ b/extras/package/macosx/VLC.xcodeproj/project.pbxproj
@@ -70,6 +70,8 @@
 		1C31140D1E508C8800D4DD76 /* SPMediaKeyTap.m in Sources */ = {isa = PBXBuildFile; fileRef = CCF0777C13659A8000AF19FD /* SPMediaKeyTap.m */; };
 		1C69FDF61EAB30C7007724ED /* Windows.m in Sources */ = {isa = PBXBuildFile; fileRef = E06CF7F516020F6200C698B7 /* Windows.m */; };
 		1CFE8D591EA0D42A00E94451 /* VLCErrorWindowController.m in Sources */ = {isa = PBXBuildFile; fileRef = 1CFE8D581EA0D42A00E94451 /* VLCErrorWindowController.m */; };
+		6B0AB0F01F1AC8B3003A1B4E /* VLCSlider.m in Sources */ = {isa = PBXBuildFile; fileRef = 6B0AB0ED1F1AC8B3003A1B4E /* VLCSlider.m */; };
+		6B0AB0F11F1AC8B3003A1B4E /* VLCSliderCell.m in Sources */ = {isa = PBXBuildFile; fileRef = 6B0AB0EF1F1AC8B3003A1B4E /* VLCSliderCell.m */; };
 		6B3BE42C1E6217CB008D098A /* VLCImageButton.m in Sources */ = {isa = PBXBuildFile; fileRef = 6B3BE42B1E6217CB008D098A /* VLCImageButton.m */; };
 		6B4D50901E79781F004479B5 /* VLCHotkeyChangeWindow.m in Sources */ = {isa = PBXBuildFile; fileRef = 6B4D508F1E79781F004479B5 /* VLCHotkeyChangeWindow.m */; };
 		6B4D50931E7979CB004479B5 /* VLCSimplePrefsWindow.m in Sources */ = {isa = PBXBuildFile; fileRef = 6B4D50921E7979CB004479B5 /* VLCSimplePrefsWindow.m */; };
@@ -122,6 +124,10 @@
 		5CCED71514C0D4A90057F8D1 /* VLCUIWidgets.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = VLCUIWidgets.m; sourceTree = "<group>"; };
 		633121CA1B51122700E636DA /* VLCResumeDialogController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = VLCResumeDialogController.h; sourceTree = "<group>"; };
 		633121CB1B51122700E636DA /* VLCResumeDialogController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = VLCResumeDialogController.m; sourceTree = "<group>"; };
+		6B0AB0EC1F1AC8B3003A1B4E /* VLCSlider.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = VLCSlider.h; sourceTree = "<group>"; };
+		6B0AB0ED1F1AC8B3003A1B4E /* VLCSlider.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = VLCSlider.m; sourceTree = "<group>"; };
+		6B0AB0EE1F1AC8B3003A1B4E /* VLCSliderCell.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = VLCSliderCell.h; sourceTree = "<group>"; };
+		6B0AB0EF1F1AC8B3003A1B4E /* VLCSliderCell.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = VLCSliderCell.m; sourceTree = "<group>"; };
 		6B13E2A61BC67678001AD24A /* VLCScrollingClipView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = VLCScrollingClipView.h; sourceTree = "<group>"; };
 		6B13E2A71BC67678001AD24A /* VLCScrollingClipView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = VLCScrollingClipView.m; sourceTree = "<group>"; };
 		6B3BE42A1E6217CB008D098A /* VLCImageButton.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = VLCImageButton.h; sourceTree = "<group>"; };
@@ -876,6 +882,10 @@
 				6B7F1FDE1F07DA920002BDD8 /* VLCHexNumberFormatter.m */,
 				6B3BE42A1E6217CB008D098A /* VLCImageButton.h */,
 				6B3BE42B1E6217CB008D098A /* VLCImageButton.m */,
+				6B0AB0EC1F1AC8B3003A1B4E /* VLCSlider.h */,
+				6B0AB0ED1F1AC8B3003A1B4E /* VLCSlider.m */,
+				6B0AB0EE1F1AC8B3003A1B4E /* VLCSliderCell.h */,
+				6B0AB0EF1F1AC8B3003A1B4E /* VLCSliderCell.m */,
 				6BF5C5051EFE7E58008A9C12 /* VLCTintedImageButtonCell.h */,
 				6BF5C5061EFE7E58008A9C12 /* VLCTintedImageButtonCell.m */,
 				1C67C8A61D58C0A40079E1C1 /* VLCAboutWindowController.h */,
@@ -1846,7 +1856,7 @@
 					};
 				};
 			};
-			buildConfigurationList = C2F2A6EA09588F1B00018C74 /* Build configuration list for PBXProject "vlc" */;
+			buildConfigurationList = C2F2A6EA09588F1B00018C74 /* Build configuration list for PBXProject "VLC" */;
 			compatibilityVersion = "Xcode 3.2";
 			developmentRegion = English;
 			hasScannedForEncodings = 1;
@@ -1872,6 +1882,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				6B81662C1EBFC38100C26F1B /* VLCUIWidgets.m in Sources */,
+				6B0AB0F11F1AC8B3003A1B4E /* VLCSliderCell.m in Sources */,
 				6B81662B1EBFC35D00C26F1B /* VLCVoutWindowController.m in Sources */,
 				6B8166291EBFC34300C26F1B /* VLCDefaultValueSlider.m in Sources */,
 				6B81662A1EBFC34300C26F1B /* VLCDefaultValueSliderCell.m in Sources */,
@@ -1901,6 +1912,7 @@
 				1C3113961E508C6900D4DD76 /* applescript.m in Sources */,
 				1C3113981E508C6900D4DD76 /* VLCAudioEffectsWindowController.m in Sources */,
 				1C31139A1E508C6900D4DD76 /* VLCBookmarksWindowController.m in Sources */,
+				6B0AB0F01F1AC8B3003A1B4E /* VLCSlider.m in Sources */,
 				6BF5C5041EFE66EF008A9C12 /* VLCHUDTableView.m in Sources */,
 				6BBB05E01EEFF165003A1019 /* VLCHUDTableCornerView.m in Sources */,
 				1C31139D1E508C6900D4DD76 /* VLCControlsBarCommon.m in Sources */,
@@ -2158,7 +2170,7 @@
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Default;
 		};
-		C2F2A6EA09588F1B00018C74 /* Build configuration list for PBXProject "vlc" */ = {
+		C2F2A6EA09588F1B00018C74 /* Build configuration list for PBXProject "VLC" */ = {
 			isa = XCConfigurationList;
 			buildConfigurations = (
 				C2F2A6EB09588F1B00018C74 /* Development */,
diff --git a/modules/gui/macosx/Makefile.am b/modules/gui/macosx/Makefile.am
index e97006f18b..5daf17dc17 100644
--- a/modules/gui/macosx/Makefile.am
+++ b/modules/gui/macosx/Makefile.am
@@ -98,7 +98,9 @@ libmacosx_plugin_la_SOURCES = \
 	gui/macosx/VLCImageButton.h gui/macosx/VLCImageButton.m \
 	gui/macosx/VLCTintedImageButtonCell.h gui/macosx/VLCTintedImageButtonCell.m \
 	gui/macosx/VLCTimeField.h gui/macosx/VLCTimeField.m \
-	gui/macosx/VLCHexNumberFormatter.h gui/macosx/VLCHexNumberFormatter.m
+	gui/macosx/VLCHexNumberFormatter.h gui/macosx/VLCHexNumberFormatter.m \
+	gui/macosx/VLCSlider.h gui/macosx/VLCSlider.m \
+	gui/macosx/VLCSliderCell.h gui/macosx/VLCSliderCell.m
 
 # User interface compilation
 
diff --git a/modules/gui/macosx/VLCSlider.h b/modules/gui/macosx/VLCSlider.h
new file mode 100644
index 0000000000..9ca5bcf6a3
--- /dev/null
+++ b/modules/gui/macosx/VLCSlider.h
@@ -0,0 +1,30 @@
+/*****************************************************************************
+ * VLCSlider.h
+ *****************************************************************************
+ * Copyright (C) 2017 VLC authors and VideoLAN
+ * $Id$
+ *
+ * Authors: Marvin Scholz <epirat07 at gmail dot com>
+ *
+ * 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 2 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#import <Cocoa/Cocoa.h>
+
+ at interface VLCSlider : NSSlider
+
+ at property (nonatomic, getter=getIndefinite,setter=setIndefinite:) BOOL indefinite;
+
+ at end
diff --git a/modules/gui/macosx/VLCSlider.m b/modules/gui/macosx/VLCSlider.m
new file mode 100644
index 0000000000..a07b53789a
--- /dev/null
+++ b/modules/gui/macosx/VLCSlider.m
@@ -0,0 +1,58 @@
+/*****************************************************************************
+ * VLCSlider.m
+ *****************************************************************************
+ * Copyright (C) 2017 VLC authors and VideoLAN
+ * $Id$
+ *
+ * Authors: Marvin Scholz <epirat07 at gmail dot com>
+ *
+ * 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 2 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#import "VLCSlider.h"
+#import "VLCSliderCell.h"
+
+ at implementation VLCSlider
+
+// Workaround for 10.7
+// http://stackoverflow.com/questions/3985816/custom-nsslidercell
+- (void)setNeedsDisplayInRect:(NSRect)invalidRect {
+    [super setNeedsDisplayInRect:[self bounds]];
+}
+
+- (void)awakeFromNib {
+    [super awakeFromNib];
+
+    if(![self.cell isKindOfClass:[VLCSliderCell class]]) {
+        self.cell = [[VLCSliderCell alloc] init];
+    }
+}
+
+- (BOOL)getIndefinite
+{
+    return [(VLCSliderCell*)[self cell] indefinite];
+}
+
+- (void)setIndefinite:(BOOL)indefinite
+{
+    [(VLCSliderCell*)[self cell] setIndefinite:indefinite];
+}
+
+- (BOOL)isFlipped
+{
+    return NO;
+}
+
+ at end
diff --git a/modules/gui/macosx/VLCSliderCell.h b/modules/gui/macosx/VLCSliderCell.h
new file mode 100644
index 0000000000..c767ca5845
--- /dev/null
+++ b/modules/gui/macosx/VLCSliderCell.h
@@ -0,0 +1,52 @@
+/*****************************************************************************
+ * VLCSliderCell.h
+ *****************************************************************************
+ * Copyright (C) 2017 VLC authors and VideoLAN
+ * $Id$
+ *
+ * Authors: Marvin Scholz <epirat07 at gmail dot com>
+ *
+ * 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 2 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#import <Cocoa/Cocoa.h>
+#import <QuartzCore/QuartzCore.h>
+
+ at interface VLCSliderCell : NSSliderCell
+
+// Colors
+ at property NSColor *gradientColor;
+ at property NSColor *gradientColor2;
+ at property NSColor *trackStrokeColor;
+ at property NSColor *filledTrackColor;
+ at property NSColor *knobFillColor;
+ at property NSColor *activeKnobFillColor;
+ at property NSColor *shadowColor;
+ at property NSColor *knobStrokeColor;
+ at property NSColor *highlightBackground;
+
+// Gradients
+ at property NSGradient *trackGradient;
+ at property NSGradient *highlightGradient;
+
+// Shadows
+ at property NSShadow *knobShadow;
+
+
+ at property NSInteger animationWidth;
+
+ at property (nonatomic, setter=setIndefinite:) BOOL indefinite;
+
+ at end
diff --git a/modules/gui/macosx/VLCSliderCell.m b/modules/gui/macosx/VLCSliderCell.m
new file mode 100644
index 0000000000..0d234d6d4d
--- /dev/null
+++ b/modules/gui/macosx/VLCSliderCell.m
@@ -0,0 +1,266 @@
+/*****************************************************************************
+ * VLCSliderCell.m
+ *****************************************************************************
+ * Copyright (C) 2017 VLC authors and VideoLAN
+ * $Id$
+ *
+ * Authors: Marvin Scholz <epirat07 at gmail dot com>
+ *
+ * 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 2 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#import "VLCSliderCell.h"
+#import "CompatibilityFixes.h"
+
+ at interface VLCSliderCell () {
+    NSInteger _animationPosition;
+    double _lastTime;
+    double _deltaToLastFrame;
+    NSRect _lastKnobRect;
+    CVDisplayLinkRef _displayLink;
+}
+ at end
+
+ at implementation VLCSliderCell
+
+- (instancetype)initWithCoder:(NSCoder *)coder
+{
+    self = [super initWithCoder:coder];
+    if (self) {
+        // Color Declarations
+        _gradientColor = [NSColor colorWithCalibratedRed: 0.663 green: 0.663 blue: 0.663 alpha: 1];
+        _gradientColor2 = [NSColor colorWithCalibratedRed: 0.749 green: 0.749 blue: 0.753 alpha: 1];
+        _trackStrokeColor = [NSColor colorWithCalibratedRed: 0.619 green: 0.624 blue: 0.623 alpha: 1];
+        _filledTrackColor = [NSColor colorWithCalibratedRed: 0.596 green: 0.596 blue: 0.596 alpha: 1];
+        _knobFillColor = [NSColor colorWithCalibratedRed: 1 green: 1 blue: 1 alpha: 1];
+        _activeKnobFillColor = [NSColor colorWithCalibratedRed: 0.95 green: 0.95 blue: 0.95 alpha: 1];
+        _shadowColor = [NSColor colorWithCalibratedRed: 0.32 green: 0.32 blue: 0.32 alpha: 1];
+        _knobStrokeColor = [NSColor colorWithCalibratedRed: 0.592 green: 0.596 blue: 0.596 alpha: 1];
+
+        // Gradient Declarations
+        _trackGradient = [[NSGradient alloc] initWithColorsAndLocations:
+                          _gradientColor, 0.0,
+                          [_gradientColor blendedColorWithFraction:0.5 ofColor:_gradientColor2], 0.60,
+                          _gradientColor2, 1.0, nil];
+
+        // Shadow Declarations
+        _knobShadow = [[NSShadow alloc] init];
+        _knobShadow.shadowColor = _shadowColor;
+        _knobShadow.shadowOffset = NSMakeSize(0, 0);
+        _knobShadow.shadowBlurRadius = 2;
+
+        _highlightBackground = [NSColor colorWithCalibratedRed:0.20 green:0.55 blue:0.91 alpha:1.0];
+        NSColor *highlightAccent = [NSColor colorWithCalibratedRed:0.4588235294 green:0.7254901961 blue:0.9882352941 alpha:1.0];
+        _highlightGradient = [[NSGradient alloc] initWithColors:@[
+                                                                  _highlightBackground,
+                                                                  highlightAccent,
+                                                                  _highlightBackground
+                                                                  ]];
+        _animationWidth = [[self controlView] bounds].size.width;
+
+        [self initDisplayLink];
+    }
+    return self;
+}
+
+- (void)dealloc
+{
+    CVDisplayLinkRelease(_displayLink);
+}
+
+static CVReturn DisplayLinkCallback(CVDisplayLinkRef displayLink, const CVTimeStamp *inNow, const CVTimeStamp *inOutputTime, CVOptionFlags flagsIn, CVOptionFlags *flagsOut, void *displayLinkContext)
+{
+    CVTimeStamp inNowCopy = *inNow;
+    dispatch_async(dispatch_get_main_queue(), ^{
+        VLCSliderCell *sliderCell = (__bridge VLCSliderCell*)displayLinkContext;
+        [sliderCell displayLink:displayLink tickWithTime:&inNowCopy];
+    });
+    return kCVReturnSuccess;
+}
+
+- (void)displayLink:(CVDisplayLinkRef)displayLink tickWithTime:(const CVTimeStamp*)inNow
+{
+    if (_lastTime == 0) {
+        _deltaToLastFrame = 0;
+    } else {
+        _deltaToLastFrame = (double)(inNow->videoTime - _lastTime) / inNow->videoTimeScale;
+    }
+    _lastTime = inNow->videoTime;
+
+    [self.controlView setNeedsDisplay:YES];
+}
+
+- (void)initDisplayLink
+{
+    CVReturn ret = CVDisplayLinkCreateWithActiveCGDisplays(&_displayLink);
+    if (ret != kCVReturnSuccess) {
+        // TODO: Handle error
+        return;
+    }
+    CVDisplayLinkSetOutputCallback(_displayLink, DisplayLinkCallback, (__bridge void*) self);
+}
+
+#pragma mark -
+#pragma mark Normal slider drawing
+
+- (void)drawKnob:(NSRect)knobRect
+{
+    _lastKnobRect = knobRect;
+    // 10.7 - 10.10 hack
+    if (!OSX_YOSEMITE_AND_HIGHER)
+        knobRect.size.height += 1.5;
+
+    // Draw knob
+    NSBezierPath* knobPath = [NSBezierPath bezierPathWithOvalInRect:NSInsetRect(knobRect, 2.0, 2.0)];
+    if (self.isHighlighted) {
+        [_activeKnobFillColor setFill];
+    } else {
+        [_knobFillColor setFill];
+    }
+
+    [knobPath fill];
+
+    [_knobStrokeColor setStroke];
+    knobPath.lineWidth = 0.5;
+
+    [NSGraphicsContext saveGraphicsState];
+    if (self.isHighlighted)
+        [_knobShadow set];
+    [knobPath stroke];
+    [NSGraphicsContext restoreGraphicsState];
+}
+
+- (NSRect)barRectFlipped:(BOOL)flipped
+{
+    return [[self controlView] bounds];
+}
+
+- (void)drawBarInside:(NSRect)rect flipped:(BOOL)flipped
+{
+    // Inset rect
+    rect = NSInsetRect(rect, 1.0, 1.0);
+
+    // Empty Track Drawing
+    NSBezierPath* emptyTrackPath = [NSBezierPath bezierPathWithRoundedRect:rect xRadius:3 yRadius:3];
+    [_trackGradient drawInBezierPath:emptyTrackPath angle:-90];
+    [_trackStrokeColor setStroke];
+    emptyTrackPath.lineWidth = 1;
+    [emptyTrackPath stroke];
+
+    // Calculate filled track
+    NSRect filledTrackRect = rect;
+    NSRect knobRect = [self knobRectFlipped:NO];
+    filledTrackRect.size.width = knobRect.origin.x + (self.knobThickness / 2);
+
+    // Filled Track Drawing
+    CGFloat filledTrackCornerRadius = 2;
+    NSRect filledTrackInnerRect = NSInsetRect(filledTrackRect, filledTrackCornerRadius, filledTrackCornerRadius);
+    NSBezierPath* filledTrackPath = [NSBezierPath bezierPathWithRoundedRect:filledTrackInnerRect
+                                                                    xRadius:filledTrackCornerRadius
+                                                                    yRadius:filledTrackCornerRadius];
+
+    [_filledTrackColor setFill];
+    [filledTrackPath fill];
+}
+
+#pragma mark -
+#pragma mark Indefinite slider drawing
+
+
+- (void)drawHighlightInRect:(NSRect)rect
+{
+    [_highlightGradient drawInRect:rect angle:0];
+}
+
+
+- (void)drawHighlightBackgroundInRect:(NSRect)rect
+{
+    rect = NSInsetRect(rect, 1.0, 1.0);
+    NSBezierPath *fullPath = [NSBezierPath bezierPathWithRoundedRect:rect xRadius:2.0 yRadius:2.0];
+    [_highlightBackground setFill];
+    [fullPath fill];
+}
+
+- (void)drawAnimationInRect:(NSRect)rect
+{
+    [self drawHighlightBackgroundInRect:rect];
+
+    [NSGraphicsContext saveGraphicsState];
+    rect = NSInsetRect(rect, 1.0, 1.0);
+    NSBezierPath *fullPath = [NSBezierPath bezierPathWithRoundedRect:rect xRadius:2.0 yRadius:2.0];
+    [fullPath setClip];
+
+    // Use previously calculated position
+    rect.origin.x = _animationPosition;
+
+    // Calculate new position for next Frame
+    if (_animationPosition < (rect.size.width + _animationWidth)) {
+        _animationPosition += (rect.size.width + _animationWidth) * _deltaToLastFrame;
+    } else {
+        _animationPosition = -(_animationWidth);
+    }
+
+    rect.size.width = _animationWidth;
+
+
+    [self drawHighlightInRect:rect];
+    [NSGraphicsContext restoreGraphicsState];
+    _deltaToLastFrame = 0;
+}
+
+
+- (void)drawWithFrame:(NSRect)cellFrame inView:(NSView *)controlView
+{
+    if (_indefinite)
+        return [self drawAnimationInRect:cellFrame];
+
+    [super drawWithFrame:cellFrame inView:controlView];
+
+}
+
+#pragma mark -
+#pragma mark Animation handling
+
+- (void)beginAnimating
+{
+    CVReturn err = CVDisplayLinkStart(_displayLink);
+    if (err != kCVReturnSuccess) {
+        // TODO: Handle error
+    }
+    _animationPosition = -(_animationWidth);
+    [self setEnabled:NO];
+}
+
+- (void)endAnimating
+{
+    CVDisplayLinkStop(_displayLink);
+    [self setEnabled:YES];
+
+}
+
+- (void)setIndefinite:(BOOL)indefinite
+{
+    if (_indefinite == indefinite)
+        return;
+
+    if (indefinite)
+        [self beginAnimating];
+    else
+        [self endAnimating];
+    _indefinite = indefinite;
+}
+
+
+ at end



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