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1 /* | 1 /* |
2 * Copyright (C) 2012 Google Inc. All rights reserved. | 2 * Copyright (C) 2012 Google 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 are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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434 virtual double currentTime() { return 0; } | 434 virtual double currentTime() { return 0; } |
435 | 435 |
436 // Monotonically increasing time in seconds from an arbitrary fixed point in
the past. | 436 // Monotonically increasing time in seconds from an arbitrary fixed point in
the past. |
437 // This function is expected to return at least millisecond-precision values
. For this reason, | 437 // This function is expected to return at least millisecond-precision values
. For this reason, |
438 // it is recommended that the fixed point be no further in the past than the
epoch. | 438 // it is recommended that the fixed point be no further in the past than the
epoch. |
439 virtual double monotonicallyIncreasingTime() { return 0; } | 439 virtual double monotonicallyIncreasingTime() { return 0; } |
440 | 440 |
441 // WebKit clients must implement this funcion if they use cryptographic rand
omness. | 441 // WebKit clients must implement this funcion if they use cryptographic rand
omness. |
442 virtual void cryptographicallyRandomValues(unsigned char* buffer, size_t len
gth) = 0; | 442 virtual void cryptographicallyRandomValues(unsigned char* buffer, size_t len
gth) = 0; |
443 | 443 |
444 // Delayed work is driven by a shared timer. | |
445 typedef void (*SharedTimerFunction)(); | |
446 virtual void setSharedTimerFiredFunction(SharedTimerFunction timerFunction)
{ } | |
447 virtual void setSharedTimerFireInterval(double) { } | |
448 virtual void stopSharedTimer() { } | |
449 | |
450 // Returns an interface to the main thread. Can be null if blink was initial
ized on a thread without a message loop. | 444 // Returns an interface to the main thread. Can be null if blink was initial
ized on a thread without a message loop. |
451 BLINK_PLATFORM_EXPORT WebThread* mainThread() const; | 445 BLINK_PLATFORM_EXPORT WebThread* mainThread() const; |
452 | 446 |
453 // Vibration ----------------------------------------------------------- | 447 // Vibration ----------------------------------------------------------- |
454 | 448 |
455 // Starts a vibration for the given duration in milliseconds. If there is cu
rrently an active | 449 // Starts a vibration for the given duration in milliseconds. If there is cu
rrently an active |
456 // vibration it will be cancelled before the new one is started. | 450 // vibration it will be cancelled before the new one is started. |
457 virtual void vibrate(unsigned time) { } | 451 virtual void vibrate(unsigned time) { } |
458 | 452 |
459 // Cancels the current vibration, if there is one. | 453 // Cancels the current vibration, if there is one. |
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699 protected: | 693 protected: |
700 BLINK_PLATFORM_EXPORT Platform(); | 694 BLINK_PLATFORM_EXPORT Platform(); |
701 virtual ~Platform() { } | 695 virtual ~Platform() { } |
702 | 696 |
703 WebThread* m_mainThread; | 697 WebThread* m_mainThread; |
704 }; | 698 }; |
705 | 699 |
706 } // namespace blink | 700 } // namespace blink |
707 | 701 |
708 #endif | 702 #endif |
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