webkit/renderer/compositor_bindings/scrollbar_impl.cc - Issue 317163002: Moving compositor_bindings from webkit to content

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Issue 317163002: Moving compositor_bindings from webkit to content (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Changing dependencies due to failing ios bots Created 6 years, 6 months ago

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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 #include "webkit/renderer/compositor_bindings/scrollbar_impl.h"

6

7 #include "base/logging.h"

8 #include "third_party/WebKit/public/platform/WebScrollbar.h"

9 #include "third_party/WebKit/public/platform/WebScrollbarThemeGeometry.h"

10

11 using blink::WebScrollbar;

12

13 namespace webkit {

14

15 ScrollbarImpl::ScrollbarImpl(

16 scoped_ptr<WebScrollbar> scrollbar,

17 blink::WebScrollbarThemePainter painter,

18 scoped_ptr<blink::WebScrollbarThemeGeometry> geometry)

19 : scrollbar_(scrollbar.Pass()),

20 painter_(painter),

21 geometry_(geometry.Pass()) {}

22

23 ScrollbarImpl::~ScrollbarImpl() {}

24

25 cc::ScrollbarOrientation ScrollbarImpl::Orientation() const {

26 if (scrollbar_->orientation() == WebScrollbar::Horizontal)

27 return cc::HORIZONTAL;

28 return cc::VERTICAL;

29 }

30

31 bool ScrollbarImpl::IsLeftSideVerticalScrollbar() const {

32 return scrollbar_->isLeftSideVerticalScrollbar();

33 }

34

35 bool ScrollbarImpl::HasThumb() const {

36 return geometry_->hasThumb(scrollbar_.get());

37 }

38

39 bool ScrollbarImpl::IsOverlay() const {

40 return scrollbar_->isOverlay();

41 }

42

43 gfx::Point ScrollbarImpl::Location() const {

44 return scrollbar_->location();

45 }

46

47 int ScrollbarImpl::ThumbThickness() const {

48 gfx::Rect thumb_rect = geometry_->thumbRect(scrollbar_.get());

49 if (scrollbar_->orientation() == WebScrollbar::Horizontal)

50 return thumb_rect.height();

51 return thumb_rect.width();

52 }

53

54 int ScrollbarImpl::ThumbLength() const {

55 gfx::Rect thumb_rect = geometry_->thumbRect(scrollbar_.get());

56 if (scrollbar_->orientation() == WebScrollbar::Horizontal)

57 return thumb_rect.width();

58 return thumb_rect.height();

59 }

60

61 gfx::Rect ScrollbarImpl::TrackRect() const {

62 return geometry_->trackRect(scrollbar_.get());

63 }

64

65 void ScrollbarImpl::PaintPart(

66 SkCanvas* canvas, cc::ScrollbarPart part,

67 const gfx::Rect& content_rect) {

68 if (part == cc::THUMB) {

69 painter_.paintThumb(canvas, content_rect);

70 return;

71 }

72

73 // The following is a simplification of ScrollbarThemeComposite::paint.

74 painter_.paintScrollbarBackground(canvas, content_rect);

75

76 if (geometry_->hasButtons(scrollbar_.get())) {

77 gfx::Rect back_button_start_paint_rect =

78 geometry_->backButtonStartRect(scrollbar_.get());

79 painter_.paintBackButtonStart(canvas, back_button_start_paint_rect);

80

81 gfx::Rect back_button_end_paint_rect =

82 geometry_->backButtonEndRect(scrollbar_.get());

83 painter_.paintBackButtonEnd(canvas, back_button_end_paint_rect);

84

85 gfx::Rect forward_button_start_paint_rect =

86 geometry_->forwardButtonStartRect(scrollbar_.get());

87 painter_.paintForwardButtonStart(canvas,

88 forward_button_start_paint_rect);

89

90 gfx::Rect forward_button_end_paint_rect =

91 geometry_->forwardButtonEndRect(scrollbar_.get());

92 painter_.paintForwardButtonEnd(canvas, forward_button_end_paint_rect);

93 }

94

95 gfx::Rect track_paint_rect = geometry_->trackRect(scrollbar_.get());

96 painter_.paintTrackBackground(canvas, track_paint_rect);

97

98 bool thumb_present = geometry_->hasThumb(scrollbar_.get());

99 if (thumb_present) {

100 painter_.paintForwardTrackPart(canvas, track_paint_rect);

101 painter_.paintBackTrackPart(canvas, track_paint_rect);

102 }

103

104 painter_.paintTickmarks(canvas, track_paint_rect);

105 }

106

107 } // namespace webkit

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