| 1 | /* |
| 2 | * Copyright 2008, The Android Open Source Project |
| 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 | * * Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * * 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 THE COPYRIGHT HOLDERS ``AS IS'' AND ANY |
| 14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| 17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 24 | */ |
| 25 | |
| 26 | #include "config.h" |
| 27 | |
| 28 | #if ENABLE(TOUCH_EVENTS) |
| 29 | |
| 30 | #include "Touch.h" |
| 31 | |
| 32 | #include "DOMWindow.h" |
| 33 | #include "Frame.h" |
| 34 | #include "FrameView.h" |
| 35 | |
| 36 | namespace WebCore { |
| 37 | |
| 38 | static int contentsX(Frame* frame) |
| 39 | { |
| 40 | if (!frame) |
| 41 | return 0; |
| 42 | FrameView* frameView = frame->view(); |
| 43 | if (!frameView) |
| 44 | return 0; |
| 45 | return frameView->scrollX() / frame->pageZoomFactor() / frame->frameScaleFactor(); |
| 46 | } |
| 47 | |
| 48 | static int contentsY(Frame* frame) |
| 49 | { |
| 50 | if (!frame) |
| 51 | return 0; |
| 52 | FrameView* frameView = frame->view(); |
| 53 | if (!frameView) |
| 54 | return 0; |
| 55 | return frameView->scrollY() / frame->pageZoomFactor() / frame->frameScaleFactor(); |
| 56 | } |
| 57 | |
| 58 | Touch::Touch(Frame* frame, EventTarget* target, unsigned identifier, int screenX, int screenY, int pageX, int pageY, int radiusX, int radiusY, float rotationAngle, float force) |
| 59 | : m_target(target) |
| 60 | , m_identifier(identifier) |
| 61 | , m_clientX(pageX - contentsX(frame)) |
| 62 | , m_clientY(pageY - contentsY(frame)) |
| 63 | , m_screenX(screenX) |
| 64 | , m_screenY(screenY) |
| 65 | , m_pageX(pageX) |
| 66 | , m_pageY(pageY) |
| 67 | , m_radiusX(radiusX) |
| 68 | , m_radiusY(radiusY) |
| 69 | , m_rotationAngle(rotationAngle) |
| 70 | , m_force(force) |
| 71 | { |
| 72 | float scaleFactor = frame->pageZoomFactor() * frame->frameScaleFactor(); |
| 73 | m_absoluteLocation = LayoutPoint(pageX * scaleFactor, pageY * scaleFactor); |
| 74 | } |
| 75 | |
| 76 | Touch::Touch(EventTarget* target, unsigned identifier, int clientX, int clientY, int screenX, int screenY, int pageX, int pageY, int radiusX, int radiusY, float rotationAngle, float force, LayoutPoint absoluteLocation) |
| 77 | : m_target(target) |
| 78 | , m_identifier(identifier) |
| 79 | , m_clientX(clientX) |
| 80 | , m_clientY(clientY) |
| 81 | , m_screenX(screenX) |
| 82 | , m_screenY(screenY) |
| 83 | , m_pageX(pageX) |
| 84 | , m_pageY(pageY) |
| 85 | , m_radiusX(radiusX) |
| 86 | , m_radiusY(radiusY) |
| 87 | , m_rotationAngle(rotationAngle) |
| 88 | , m_force(force) |
| 89 | , m_absoluteLocation(absoluteLocation) |
| 90 | { |
| 91 | } |
| 92 | |
| 93 | Ref<Touch> Touch::cloneWithNewTarget(EventTarget* eventTarget) const |
| 94 | { |
| 95 | return adoptRef(*new Touch(eventTarget, m_identifier, m_clientX, m_clientY, m_screenX, m_screenY, m_pageX, m_pageY, m_radiusX, m_radiusY, m_rotationAngle, m_force, m_absoluteLocation)); |
| 96 | } |
| 97 | |
| 98 | } // namespace WebCore |
| 99 | |
| 100 | #endif |
| 101 | |