third_party/WebKit/Source/platform/scroll/ScrollbarThemeMacCommon.h - Issue 1511003003: Use refs for non-null GraphicsContext, Scrollbar, etc. in scrollbar related code

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Issue 1511003003: Use refs for non-null GraphicsContext, Scrollbar, etc. in scrollbar related code (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@ScrollbarRemove

Patch Set: Created 5 years ago

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« third_party/WebKit/Source/platform/scroll/ScrollableArea.cpp ('K') | « third_party/WebKit/Source/platform/scroll/ScrollbarThemeAura.cpp ('k') | third_party/WebKit/Source/platform/scroll/ScrollbarThemeMacCommon.mm » ('j') | third_party/WebKit/Source/platform/scroll/ScrollbarThemeOverlay.h » ('J')
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1 /*	1 /*

2 * Copyright (C) 2008 Apple Inc. All Rights Reserved.	2 * Copyright (C) 2008 Apple Inc. All Rights Reserved.

3 *	3 *

4 * Redistribution and use in source and binary forms, with or without	4 * Redistribution and use in source and binary forms, with or without

5 * modification, are permitted provided that the following conditions	5 * modification, are permitted provided that the following conditions

6 * are met:	6 * are met:

7 * 1. Redistributions of source code must retain the above copyright	7 * 1. Redistributions of source code must retain the above copyright

8 * notice, this list of conditions and the following disclaimer.	8 * notice, this list of conditions and the following disclaimer.

9 * 2. Redistributions in binary form must reproduce the above copyright	9 * 2. Redistributions in binary form must reproduce the above copyright

10 * notice, this list of conditions and the following disclaimer in the	10 * notice, this list of conditions and the following disclaimer in the

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32 class SkCanvas;	32 class SkCanvas;

33	33

34 namespace blink {	34 namespace blink {

35	35

36 class Pattern;	36 class Pattern;

37	37

38 class PLATFORM_EXPORT ScrollbarThemeMacCommon : public ScrollbarTheme {	38 class PLATFORM_EXPORT ScrollbarThemeMacCommon : public ScrollbarTheme {

39 public:	39 public:

40 ~ScrollbarThemeMacCommon() override;	40 ~ScrollbarThemeMacCommon() override;

41	41

42 void registerScrollbar(ScrollbarThemeClient*) override;	42 void registerScrollbar(ScrollbarThemeClient&) override;

43 void unregisterScrollbar(ScrollbarThemeClient*) override;	43 void unregisterScrollbar(ScrollbarThemeClient&) override;

44 void preferencesChanged(float initialButtonDelay, float autoscrollButtonDela y, NSScrollerStyle preferredScrollerStyle, bool redraw, bool scrollAnimationEnab led, ScrollbarButtonsPlacement);	44 void preferencesChanged(float initialButtonDelay, float autoscrollButtonDela y, NSScrollerStyle preferredScrollerStyle, bool redraw, bool scrollAnimationEnab led, ScrollbarButtonsPlacement);

45	45

46 bool supportsControlTints() const override { return true; }	46 bool supportsControlTints() const override { return true; }

47	47

48 double initialAutoscrollTimerDelay() override;	48 double initialAutoscrollTimerDelay() override;

49 double autoscrollTimerDelay() override;	49 double autoscrollTimerDelay() override;

50	50

51 void paintTickmarks(GraphicsContext, const ScrollbarThemeClient, const Int Rect&) override;	51 void paintTickmarks(GraphicsContext&, const ScrollbarThemeClient&, const Int Rect&) override;

52	52

53 static NSScrollerStyle recommendedScrollerStyle();	53 static NSScrollerStyle recommendedScrollerStyle();

54	54

55 static bool isOverlayAPIAvailable();	55 static bool isOverlayAPIAvailable();

56	56

57 static bool scrollAnimationEnabledForSystem();	57 static bool scrollAnimationEnabledForSystem();

58	58

59 protected:	59 protected:

60 int maxOverlapBetweenPages() override { return 40; }	60 int maxOverlapBetweenPages() override { return 40; }

61	61

62 bool shouldDragDocumentInsteadOfThumb(const ScrollbarThemeClient*, const Pla tformMouseEvent&) override;	62 bool shouldDragDocumentInsteadOfThumb(const ScrollbarThemeClient&, const Pla tformMouseEvent&) override;

63 int scrollbarPartToHIPressedState(ScrollbarPart);	63 int scrollbarPartToHIPressedState(ScrollbarPart);

64	64

65 virtual void updateButtonPlacement(ScrollbarButtonsPlacement) {}	65 virtual void updateButtonPlacement(ScrollbarButtonsPlacement) {}

66	66

67 void paintGivenTickmarks(SkCanvas, const ScrollbarThemeClient, const IntRe ct&, const Vector<IntRect>&);	67 void paintGivenTickmarks(SkCanvas*, const ScrollbarThemeClient&, const IntRe ct&, const Vector<IntRect>&);

68	68

69 RefPtr<Pattern> m_overhangPattern;	69 RefPtr<Pattern> m_overhangPattern;

70 };	70 };

71	71

72 }	72 }

73	73

74 #endif // ScrollbarThemeMacCommon_h	74 #endif // ScrollbarThemeMacCommon_h

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