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1 /* | 1 /* |
2 * Copyright (C) 2009 Google Inc. All rights reserved. | 2 * Copyright (C) 2009 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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548 // If true, this event will skip hit testing to find a scroll | 548 // If true, this event will skip hit testing to find a scroll |
549 // target and instead just scroll the viewport. | 549 // target and instead just scroll the viewport. |
550 bool targetViewport; | 550 bool targetViewport; |
551 // The state of inertial phase scrolling. OSX has unique phases for
normal and | 551 // The state of inertial phase scrolling. OSX has unique phases for
normal and |
552 // momentum scroll events. Should always be UnknownMomentumPhase for
touch based | 552 // momentum scroll events. Should always be UnknownMomentumPhase for
touch based |
553 // input as it generates GestureFlingStart instead. | 553 // input as it generates GestureFlingStart instead. |
554 InertialPhaseState inertialPhase; | 554 InertialPhaseState inertialPhase; |
555 // True if this event was synthesized in order to force a hit test;
avoiding scroll | 555 // True if this event was synthesized in order to force a hit test;
avoiding scroll |
556 // latching behavior until crbug.com/526463 is fully implemented. | 556 // latching behavior until crbug.com/526463 is fully implemented. |
557 bool synthetic; | 557 bool synthetic; |
| 558 |
| 559 // number of pointers down. |
| 560 int pointerCount; |
558 } scrollBegin; | 561 } scrollBegin; |
559 | 562 |
560 struct { | 563 struct { |
561 float deltaX; | 564 float deltaX; |
562 float deltaY; | 565 float deltaY; |
563 float velocityX; | 566 float velocityX; |
564 float velocityY; | 567 float velocityY; |
565 // Whether any previous GestureScrollUpdate in the current scroll | 568 // Whether any previous GestureScrollUpdate in the current scroll |
566 // sequence was suppressed (e.g., the causal touchmove was | 569 // sequence was suppressed (e.g., the causal touchmove was |
567 // preventDefault'ed). This bit is particularly useful for | 570 // preventDefault'ed). This bit is particularly useful for |
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665 , uniqueTouchEventId(0) | 668 , uniqueTouchEventId(0) |
666 { | 669 { |
667 } | 670 } |
668 }; | 671 }; |
669 | 672 |
670 #pragma pack(pop) | 673 #pragma pack(pop) |
671 | 674 |
672 } // namespace blink | 675 } // namespace blink |
673 | 676 |
674 #endif | 677 #endif |
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