chrome/browser/ui/cocoa/nsview_additions.mm - Issue 595283002: Move nsview_additions and hyperlink_text_view to ui/base/cocoa

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Issue 595283002: Move nsview_additions and hyperlink_text_view to ui/base/cocoa (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: rebase Created 6 years, 2 months ago

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1 // Copyright (c) 2012 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 #include "base/mac/mac_util.h"

6 #include "base/mac/sdk_forward_declarations.h"

7 #import "chrome/browser/ui/cocoa/nsview_additions.h"

8 #include "chrome/common/chrome_switches.h"

9 #include "ui/gfx/scoped_ns_graphics_context_save_gstate_mac.h"

10

11 #include "base/logging.h"

12

13 @implementation NSView (ChromeAdditions)

14

15 - (CGFloat)cr_lineWidth {

16 // All shipping retina macs run at least 10.7.

17 if (![self respondsToSelector:@selector(convertSizeFromBacking:)])

18 return 1;

19 return [self convertSizeFromBacking:NSMakeSize(1, 1)].width;

20 }

21

22 - (BOOL)cr_isMouseInView {

23 NSPoint mouseLoc = [[self window] mouseLocationOutsideOfEventStream];

24 mouseLoc = [[self superview] convertPoint:mouseLoc fromView:nil];

25 return [self hitTest:mouseLoc] == self;

26 }

27

28 - (BOOL)cr_isBelowView:(NSView*)otherView {

29 NSArray* subviews = [[self superview] subviews];

30

31 NSUInteger selfIndex = [subviews indexOfObject:self];

32 DCHECK_NE(NSNotFound, selfIndex);

33

34 NSUInteger otherIndex = [subviews indexOfObject:otherView];

35 DCHECK_NE(NSNotFound, otherIndex);

36

37 return selfIndex < otherIndex;

38 }

39

40 - (BOOL)cr_isAboveView:(NSView*)otherView {

41 return ![self cr_isBelowView:otherView];

42 }

43

44 - (void)cr_ensureSubview:(NSView*)subview

45 isPositioned:(NSWindowOrderingMode)place

46 relativeTo:(NSView *)otherView {

47 DCHECK(place == NSWindowAbove \|\| place == NSWindowBelow);

48 BOOL isAbove = place == NSWindowAbove;

49 if ([[subview superview] isEqual:self] &&

50 [subview cr_isAboveView:otherView] == isAbove) {

51 return;

52 }

53

54 [subview removeFromSuperview];

55 [self addSubview:subview

56 positioned:place

57 relativeTo:otherView];

58 }

59

60 - (NSColor*)cr_keyboardFocusIndicatorColor {

61 return [[NSColor keyboardFocusIndicatorColor]

62 colorWithAlphaComponent:0.5 / [self cr_lineWidth]];

63 }

64

65 - (void)cr_recursivelySetNeedsDisplay:(BOOL)flag {

66 [self setNeedsDisplay:YES];

67 for (NSView* child in [self subviews])

68 [child cr_recursivelySetNeedsDisplay:flag];

69 }

70

71 static NSView* g_ancestorBeingDrawnFrom = nil;

72 static NSView* g_childBeingDrawnTo = nil;

73

74 - (void)cr_drawUsingAncestor:(NSView*)ancestorView inRect:(NSRect)rect {

75 gfx::ScopedNSGraphicsContextSaveGState scopedGSState;

76 NSRect frame = [self convertRect:[self bounds] toView:ancestorView];

77 NSAffineTransform* transform = [NSAffineTransform transform];

78 if ([self isFlipped] == [ancestorView isFlipped]) {

79 [transform translateXBy:-NSMinX(frame) yBy:-NSMinY(frame)];

80 } else {

81 [transform translateXBy:-NSMinX(frame) yBy:NSMaxY(frame)];

82 [transform scaleXBy:1.0 yBy:-1.0];

83 }

84 [transform concat];

85

86 // This can be made robust to recursive calls, but is as of yet unneeded.

87 DCHECK(!g_ancestorBeingDrawnFrom && !g_childBeingDrawnTo);

88 g_ancestorBeingDrawnFrom = ancestorView;

89 g_childBeingDrawnTo = self;

90 [ancestorView drawRect:[ancestorView bounds]];

91 g_childBeingDrawnTo = nil;

92 g_ancestorBeingDrawnFrom = nil;

93 }

94

95 - (NSView*)cr_viewBeingDrawnTo {

96 if (!g_ancestorBeingDrawnFrom)

97 return self;

98 DCHECK(g_ancestorBeingDrawnFrom == self);

99 return g_childBeingDrawnTo;

100 }

101

102 @end

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