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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #import "ui/app_list/cocoa/app_list_pager_view.h" | |
| 6 | |
| 7 #include "base/mac/foundation_util.h" | |
| 8 #include "skia/ext/skia_utils_mac.h" | |
| 9 #include "ui/app_list/app_list_constants.h" | |
| 10 #include "ui/gfx/scoped_ns_graphics_context_save_gstate_mac.h" | |
| 11 | |
| 12 namespace { | |
| 13 | |
| 14 const CGFloat kButtonHeight = 6; | |
| 15 const CGFloat kButtonCornerRadius = 2; | |
| 16 const CGFloat kButtonStripPadding = 20; | |
| 17 | |
| 18 } // namespace | |
| 19 | |
| 20 @interface AppListPagerView () | |
| 21 | |
| 22 @property(assign, nonatomic) NSInteger hoveredSegment; | |
| 23 | |
| 24 - (NSInteger)segmentUnderLocation:(NSPoint)locationInWindow; | |
| 25 | |
| 26 @end | |
| 27 | |
| 28 @interface AppListPagerCell : NSSegmentedCell; | |
| 29 @end | |
| 30 | |
| 31 @implementation AppListPagerView | |
| 32 | |
| 33 @synthesize hoveredSegment = hoveredSegment_; | |
| 34 | |
| 35 + (Class)cellClass { | |
| 36 return [AppListPagerCell class]; | |
| 37 } | |
| 38 | |
| 39 - (id)init { | |
| 40 if ((self = [super initWithFrame:NSZeroRect])) { | |
| 41 trackingArea_.reset( | |
| 42 [[CrTrackingArea alloc] initWithRect:NSZeroRect | |
| 43 options:NSTrackingInVisibleRect | | |
| 44 NSTrackingMouseEnteredAndExited | | |
| 45 NSTrackingMouseMoved | | |
| 46 NSTrackingActiveInKeyWindow | |
| 47 owner:self | |
| 48 userInfo:nil]); | |
| 49 [self addTrackingArea:trackingArea_.get()]; | |
| 50 hoveredSegment_ = -1; | |
| 51 } | |
| 52 return self; | |
| 53 } | |
| 54 | |
| 55 - (NSInteger)findAndHighlightSegmentAtLocation:(NSPoint)locationInWindow { | |
| 56 NSInteger segment = [self segmentUnderLocation:locationInWindow]; | |
| 57 [self setHoveredSegment:segment]; | |
| 58 return segment; | |
| 59 } | |
| 60 | |
| 61 - (void)setHoveredSegment:(NSInteger)segment { | |
| 62 if (segment == hoveredSegment_) | |
| 63 return; | |
| 64 | |
| 65 hoveredSegment_ = segment; | |
| 66 [self setNeedsDisplay:YES]; | |
| 67 return; | |
| 68 } | |
| 69 | |
| 70 - (NSInteger)segmentUnderLocation:(NSPoint)locationInWindow { | |
| 71 if ([self segmentCount] == 0) | |
| 72 return -1; | |
| 73 | |
| 74 NSPoint pointInView = [self convertPoint:locationInWindow | |
| 75 fromView:nil]; | |
| 76 if (![self mouse:pointInView inRect:[self bounds]]) | |
| 77 return -1; | |
| 78 | |
| 79 CGFloat segmentWidth = [self bounds].size.width / [self segmentCount]; | |
| 80 return pointInView.x / segmentWidth; | |
| 81 } | |
| 82 | |
| 83 - (BOOL)isHoveredForSegment:(NSInteger)segment { | |
| 84 return segment == hoveredSegment_; | |
| 85 } | |
| 86 | |
| 87 - (void)mouseExited:(NSEvent*)theEvent { | |
| 88 [self setHoveredSegment:-1]; | |
| 89 } | |
| 90 | |
| 91 - (void)mouseMoved:(NSEvent*)theEvent { | |
| 92 [self findAndHighlightSegmentAtLocation:[theEvent locationInWindow]]; | |
| 93 } | |
| 94 | |
| 95 - (void)mouseDown:(NSEvent*)theEvent { | |
| 96 // Temporarily clear the highlight to give feedback. | |
| 97 [self setHoveredSegment:-1]; | |
| 98 } | |
| 99 | |
| 100 // The stock NSSegmentedControl ignores any clicks outside the non-default | |
| 101 // control height, so process all clicks here. | |
| 102 - (void)mouseUp:(NSEvent*)theEvent { | |
| 103 [self findAndHighlightSegmentAtLocation:[theEvent locationInWindow]]; | |
| 104 if (hoveredSegment_ < 0) | |
| 105 return; | |
| 106 | |
| 107 [self setSelectedSegment:hoveredSegment_]; | |
| 108 [[self target] performSelector:[self action] | |
| 109 withObject:self]; | |
| 110 } | |
| 111 | |
| 112 @end | |
| 113 | |
| 114 @implementation AppListPagerCell | |
| 115 | |
| 116 - (void)drawWithFrame:(NSRect)cellFrame | |
| 117 inView:(NSView*)controlView { | |
| 118 // Draw nothing if there are less than two segments. | |
| 119 if ([self segmentCount] < 2) | |
| 120 return; | |
| 121 | |
| 122 cellFrame.size.width /= [self segmentCount]; | |
| 123 for (NSInteger i = 0; i < [self segmentCount]; ++i) { | |
| 124 [self drawSegment:i | |
| 125 inFrame:cellFrame | |
| 126 withView:controlView]; | |
| 127 cellFrame.origin.x += cellFrame.size.width; | |
| 128 } | |
| 129 } | |
| 130 | |
| 131 - (void)drawSegment:(NSInteger)segment | |
| 132 inFrame:(NSRect)frame | |
| 133 withView:(NSView*)controlView { | |
| 134 gfx::ScopedNSGraphicsContextSaveGState context; | |
| 135 NSRect clipRect = NSMakeRect( | |
| 136 frame.origin.x + kButtonStripPadding / 2, | |
| 137 floor(frame.origin.y + (frame.size.height - kButtonHeight) / 2), | |
| 138 frame.size.width - kButtonStripPadding, | |
| 139 kButtonHeight); | |
| 140 [[NSBezierPath bezierPathWithRoundedRect:clipRect | |
| 141 xRadius:kButtonCornerRadius | |
| 142 yRadius:kButtonCornerRadius] addClip]; | |
| 143 | |
| 144 AppListPagerView* pagerControl = | |
| 145 base::mac::ObjCCastStrict<AppListPagerView>(controlView); | |
| 146 SkColor backgroundColor = [pagerControl hoveredSegment] == segment ? | |
| 147 app_list::kPagerHoverColor : | |
| 148 app_list::kPagerNormalColor; | |
| 149 | |
| 150 [skia::SkColorToSRGBNSColor(backgroundColor) set]; | |
| 151 NSRectFill(frame); | |
| 152 | |
| 153 if (![[self target] conformsToProtocol:@protocol(AppListPagerDelegate)]) | |
| 154 return; | |
| 155 | |
| 156 CGFloat selectedRatio = [[self target] visiblePortionOfPage:segment]; | |
| 157 if (selectedRatio == 0.0) | |
| 158 return; | |
| 159 | |
| 160 [skia::SkColorToSRGBNSColor(app_list::kPagerSelectedColor) set]; | |
| 161 if (selectedRatio < 0) | |
| 162 frame.origin.x += frame.size.width + frame.size.width * selectedRatio; | |
| 163 frame.size.width *= fabs(selectedRatio); | |
| 164 NSRectFill(frame); | |
| 165 } | |
| 166 | |
| 167 @end | |
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Chromium Code Reviews
Issue 2131463002:
Purge the App Launcher code from Mac (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master