WebGestureEvent.cpp 3.1 KB

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  1. /*
  2. * Copyright (C) 2011 Apple Inc. All rights reserved.
  3. *
  4. * Redistribution and use in source and binary forms, with or without
  5. * modification, are permitted provided that the following conditions
  6. * are met:
  7. * 1. Redistributions of source code must retain the above copyright
  8. * notice, this list of conditions and the following disclaimer.
  9. * 2. Redistributions in binary form must reproduce the above copyright
  10. * notice, this list of conditions and the following disclaimer in the
  11. * documentation and/or other materials provided with the distribution.
  12. *
  13. * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
  14. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  15. * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16. * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
  17. * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  18. * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  19. * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  20. * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  21. * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  22. * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  23. * THE POSSIBILITY OF SUCH DAMAGE.
  24. */
  25. #include "config.h"
  26. #include "WebEvent.h"
  27. #if ENABLE(GESTURE_EVENTS)
  28. #include "Arguments.h"
  29. #include "WebCoreArgumentCoders.h"
  30. using namespace WebCore;
  31. namespace WebKit {
  32. WebGestureEvent::WebGestureEvent(Type type, const IntPoint& position, const IntPoint& globalPosition, Modifiers modifiers, double timestamp)
  33. : WebEvent(type, modifiers, timestamp)
  34. , m_position(position)
  35. , m_globalPosition(globalPosition)
  36. {
  37. ASSERT(isGestureEventType(type));
  38. }
  39. WebGestureEvent::WebGestureEvent(Type type, const IntPoint& position, const IntPoint& globalPosition, Modifiers modifiers, double timestamp, const IntSize& area, const FloatPoint& delta)
  40. : WebEvent(type, modifiers, timestamp)
  41. , m_position(position)
  42. , m_globalPosition(globalPosition)
  43. , m_area(area)
  44. , m_delta(delta)
  45. {
  46. ASSERT(isGestureEventType(type));
  47. }
  48. void WebGestureEvent::encode(CoreIPC::ArgumentEncoder& encoder) const
  49. {
  50. WebEvent::encode(encoder);
  51. encoder << m_position;
  52. encoder << m_globalPosition;
  53. encoder << m_area;
  54. encoder << m_delta;
  55. }
  56. bool WebGestureEvent::decode(CoreIPC::ArgumentDecoder& decoder, WebGestureEvent& t)
  57. {
  58. if (!WebEvent::decode(decoder, t))
  59. return false;
  60. if (!decoder.decode(t.m_position))
  61. return false;
  62. if (!decoder.decode(t.m_globalPosition))
  63. return false;
  64. if (!decoder.decode(t.m_area))
  65. return false;
  66. if (!decoder.decode(t.m_delta))
  67. return false;
  68. return true;
  69. }
  70. bool WebGestureEvent::isGestureEventType(Type type)
  71. {
  72. return type == GestureScrollBegin || type == GestureScrollEnd || type == GestureSingleTap;
  73. }
  74. } // namespace WebKit
  75. #endif // ENABLE(GESTURE_EVENTS)