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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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432 virtual double currentTime() { return 0; } | 432 virtual double currentTime() { return 0; } |
433 | 433 |
434 // Monotonically increasing time in seconds from an arbitrary fixed point in
the past. | 434 // Monotonically increasing time in seconds from an arbitrary fixed point in
the past. |
435 // This function is expected to return at least millisecond-precision values
. For this reason, | 435 // This function is expected to return at least millisecond-precision values
. For this reason, |
436 // it is recommended that the fixed point be no further in the past than the
epoch. | 436 // it is recommended that the fixed point be no further in the past than the
epoch. |
437 virtual double monotonicallyIncreasingTime() { return 0; } | 437 virtual double monotonicallyIncreasingTime() { return 0; } |
438 | 438 |
439 // WebKit clients must implement this funcion if they use cryptographic rand
omness. | 439 // WebKit clients must implement this funcion if they use cryptographic rand
omness. |
440 virtual void cryptographicallyRandomValues(unsigned char* buffer, size_t len
gth) = 0; | 440 virtual void cryptographicallyRandomValues(unsigned char* buffer, size_t len
gth) = 0; |
441 | 441 |
442 // Delayed work is driven by a shared timer. | |
443 typedef void (*SharedTimerFunction)(); | |
444 virtual void setSharedTimerFiredFunction(SharedTimerFunction timerFunction)
{ } | |
445 virtual void setSharedTimerFireInterval(double) { } | |
446 virtual void stopSharedTimer() { } | |
447 | |
448 // Returns an interface to the main thread. Can be null if blink was initial
ized on a thread without a message loop. | 442 // Returns an interface to the main thread. Can be null if blink was initial
ized on a thread without a message loop. |
449 BLINK_PLATFORM_EXPORT WebThread* mainThread() const; | 443 BLINK_PLATFORM_EXPORT WebThread* mainThread() const; |
450 | 444 |
451 // Vibration ----------------------------------------------------------- | 445 // Vibration ----------------------------------------------------------- |
452 | 446 |
453 // Starts a vibration for the given duration in milliseconds. If there is cu
rrently an active | 447 // Starts a vibration for the given duration in milliseconds. If there is cu
rrently an active |
454 // vibration it will be cancelled before the new one is started. | 448 // vibration it will be cancelled before the new one is started. |
455 virtual void vibrate(unsigned time) { } | 449 virtual void vibrate(unsigned time) { } |
456 | 450 |
457 // Cancels the current vibration, if there is one. | 451 // Cancels the current vibration, if there is one. |
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697 protected: | 691 protected: |
698 BLINK_PLATFORM_EXPORT Platform(); | 692 BLINK_PLATFORM_EXPORT Platform(); |
699 virtual ~Platform() { } | 693 virtual ~Platform() { } |
700 | 694 |
701 WebThread* m_mainThread; | 695 WebThread* m_mainThread; |
702 }; | 696 }; |
703 | 697 |
704 } // namespace blink | 698 } // namespace blink |
705 | 699 |
706 #endif | 700 #endif |
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