Source/platform/UserGestureIndicator.h - Issue 239503008: Expose the timestamp associated with a user gesture, and make it possible to recreate a new user ge…

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Issue 239503008: Expose the timestamp associated with a user gesture, and make it possible to recreate a new user ge… (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Created 6 years, 8 months ago

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1 /*	1 /*

2 * Copyright (C) 2010 Apple Inc. All rights reserved.	2 * Copyright (C) 2010 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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41 PossiblyProcessingUserGesture,	41 PossiblyProcessingUserGesture,

42 DefinitelyNotProcessingUserGesture	42 DefinitelyNotProcessingUserGesture

43 };	43 };

44	44

45 class PLATFORM_EXPORT UserGestureToken : public RefCounted<UserGestureToken> {	45 class PLATFORM_EXPORT UserGestureToken : public RefCounted<UserGestureToken> {

46 public:	46 public:

47 virtual ~UserGestureToken() { }	47 virtual ~UserGestureToken() { }

48 virtual bool hasGestures() const = 0;	48 virtual bool hasGestures() const = 0;

49 virtual void setOutOfProcess() = 0;	49 virtual void setOutOfProcess() = 0;

50 virtual void setJavascriptPrompt() = 0;	50 virtual void setJavascriptPrompt() = 0;

	51 virtual double timestamp() const = 0;

51 };	52 };

52	53

53 class PLATFORM_EXPORT UserGestureIndicatorDisabler {	54 class PLATFORM_EXPORT UserGestureIndicatorDisabler {

54 WTF_MAKE_NONCOPYABLE(UserGestureIndicatorDisabler);	55 WTF_MAKE_NONCOPYABLE(UserGestureIndicatorDisabler);

55 public:	56 public:

56 UserGestureIndicatorDisabler();	57 UserGestureIndicatorDisabler();

57 ~UserGestureIndicatorDisabler();	58 ~UserGestureIndicatorDisabler();

58	59

59 private:	60 private:

60 ProcessingUserGestureState m_savedState;	61 ProcessingUserGestureState m_savedState;

61 UserGestureIndicator* m_savedIndicator;	62 UserGestureIndicator* m_savedIndicator;

62 };	63 };

63	64

64 class PLATFORM_EXPORT UserGestureIndicator {	65 class PLATFORM_EXPORT UserGestureIndicator {

65 WTF_MAKE_NONCOPYABLE(UserGestureIndicator);	66 WTF_MAKE_NONCOPYABLE(UserGestureIndicator);

66 friend class UserGestureIndicatorDisabler;	67 friend class UserGestureIndicatorDisabler;

67 public:	68 public:

68 static bool processingUserGesture();	69 static bool processingUserGesture();

69 static bool consumeUserGesture();	70 static bool consumeUserGesture();

70 static UserGestureToken* currentToken();	71 static UserGestureToken* currentToken();

71 static void clearProcessedUserGestureInPast();	72 static void clearProcessedUserGestureInPast();

72 static bool processedUserGestureInPast();	73 static bool processedUserGestureInPast();

73	74

74 explicit UserGestureIndicator(ProcessingUserGestureState);	75 explicit UserGestureIndicator(ProcessingUserGestureState);

75 explicit UserGestureIndicator(PassRefPtr<UserGestureToken>);	76 explicit UserGestureIndicator(PassRefPtr<UserGestureToken>);

	77 explicit UserGestureIndicator(double timestamp);

76 ~UserGestureIndicator();	78 ~UserGestureIndicator();

77	79

78	80

79 private:	81 private:

80 static ProcessingUserGestureState s_state;	82 static ProcessingUserGestureState s_state;

81 static UserGestureIndicator* s_topmostIndicator;	83 static UserGestureIndicator* s_topmostIndicator;

82 static bool s_processedUserGestureInPast;	84 static bool s_processedUserGestureInPast;

83 ProcessingUserGestureState m_previousState;	85 ProcessingUserGestureState m_previousState;

84 RefPtr<UserGestureToken> m_token;	86 RefPtr<UserGestureToken> m_token;

85 };	87 };

86	88

87 }	89 }

88	90

89 #endif	91 #endif

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