/* * Copyright (C) 2009 Google Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "WebInputEventConversion.h" #include "EventNames.h" #include "GestureEvent.h" #include "KeyboardCodes.h" #include "KeyboardEvent.h" #include "MouseEvent.h" #include "PlatformKeyboardEvent.h" #include "PlatformMouseEvent.h" #include "PlatformWheelEvent.h" #include "RenderObject.h" #include "ScrollView.h" #include "Touch.h" #include "TouchEvent.h" #include "TouchList.h" #include "WebInputEvent.h" #include "WheelEvent.h" #include "Widget.h" using namespace WebCore; namespace WebKit { static const double millisPerSecond = 1000.0; // MakePlatformMouseEvent ----------------------------------------------------- PlatformMouseEventBuilder::PlatformMouseEventBuilder(Widget* widget, const WebMouseEvent& e) { // FIXME: widget is always toplevel, unless it's a popup. We may be able // to get rid of this once we abstract popups into a WebKit API. m_position = widget->convertFromContainingWindow(IntPoint(e.x, e.y)); m_globalPosition = IntPoint(e.globalX, e.globalY); #if ENABLE(POINTER_LOCK) m_movementDelta = IntPoint(e.movementX, e.movementY); #endif m_button = static_cast(e.button); m_modifiers = 0; if (e.modifiers & WebInputEvent::ShiftKey) m_modifiers |= PlatformEvent::ShiftKey; if (e.modifiers & WebInputEvent::ControlKey) m_modifiers |= PlatformEvent::CtrlKey; if (e.modifiers & WebInputEvent::AltKey) m_modifiers |= PlatformEvent::AltKey; if (e.modifiers & WebInputEvent::MetaKey) m_modifiers |= PlatformEvent::MetaKey; m_modifierFlags = e.modifiers; m_timestamp = e.timeStampSeconds; m_clickCount = e.clickCount; switch (e.type) { case WebInputEvent::MouseMove: case WebInputEvent::MouseLeave: // synthesize a move event m_type = PlatformEvent::MouseMoved; break; case WebInputEvent::MouseDown: m_type = PlatformEvent::MousePressed; break; case WebInputEvent::MouseUp: m_type = PlatformEvent::MouseReleased; break; default: ASSERT_NOT_REACHED(); } } // PlatformWheelEventBuilder -------------------------------------------------- PlatformWheelEventBuilder::PlatformWheelEventBuilder(Widget* widget, const WebMouseWheelEvent& e) { m_position = widget->convertFromContainingWindow(IntPoint(e.x, e.y)); m_globalPosition = IntPoint(e.globalX, e.globalY); m_deltaX = e.deltaX; m_deltaY = e.deltaY; m_wheelTicksX = e.wheelTicksX; m_wheelTicksY = e.wheelTicksY; m_granularity = e.scrollByPage ? ScrollByPageWheelEvent : ScrollByPixelWheelEvent; m_type = PlatformEvent::Wheel; m_modifiers = 0; if (e.modifiers & WebInputEvent::ShiftKey) m_modifiers |= PlatformEvent::ShiftKey; if (e.modifiers & WebInputEvent::ControlKey) m_modifiers |= PlatformEvent::CtrlKey; if (e.modifiers & WebInputEvent::AltKey) m_modifiers |= PlatformEvent::AltKey; if (e.modifiers & WebInputEvent::MetaKey) m_modifiers |= PlatformEvent::MetaKey; m_hasPreciseScrollingDeltas = e.hasPreciseScrollingDeltas; #if OS(DARWIN) m_phase = static_cast(e.phase); m_momentumPhase = static_cast(e.momentumPhase); m_timestamp = e.timeStampSeconds; m_scrollCount = 0; m_unacceleratedScrollingDeltaX = e.deltaX; m_unacceleratedScrollingDeltaY = e.deltaY; #endif } // PlatformGestureEventBuilder -------------------------------------------------- #if ENABLE(GESTURE_EVENTS) PlatformGestureEventBuilder::PlatformGestureEventBuilder(Widget* widget, const WebGestureEvent& e) { switch (e.type) { case WebInputEvent::GestureScrollBegin: m_type = PlatformEvent::GestureScrollBegin; break; case WebInputEvent::GestureScrollEnd: m_type = PlatformEvent::GestureScrollEnd; break; case WebInputEvent::GestureScrollUpdate: m_type = PlatformEvent::GestureScrollUpdate; m_deltaX = e.data.scrollUpdate.deltaX; m_deltaY = e.data.scrollUpdate.deltaY; break; case WebInputEvent::GestureTap: m_type = PlatformEvent::GestureTap; m_area = IntSize(e.data.tap.width, e.data.tap.height); // FIXME: PlatformGestureEvent deltaX is overloaded - wkb.ug/93123 m_deltaX = static_cast(e.data.tap.tapCount); break; case WebInputEvent::GestureTapDown: m_type = PlatformEvent::GestureTapDown; m_area = IntSize(e.data.tapDown.width, e.data.tapDown.height); break; case WebInputEvent::GestureTapCancel: m_type = PlatformEvent::GestureTapDownCancel; break; case WebInputEvent::GestureDoubleTap: m_type = PlatformEvent::GestureDoubleTap; break; case WebInputEvent::GestureTwoFingerTap: m_type = PlatformEvent::GestureTwoFingerTap; break; case WebInputEvent::GestureLongPress: m_type = PlatformEvent::GestureLongPress; m_area = IntSize(e.data.longPress.width, e.data.longPress.height); break; case WebInputEvent::GesturePinchBegin: m_type = PlatformEvent::GesturePinchBegin; break; case WebInputEvent::GesturePinchEnd: m_type = PlatformEvent::GesturePinchEnd; break; case WebInputEvent::GesturePinchUpdate: m_type = PlatformEvent::GesturePinchUpdate; // FIXME: PlatformGestureEvent deltaX is overloaded - wkb.ug/93123 m_deltaX = e.data.pinchUpdate.scale; break; default: ASSERT_NOT_REACHED(); } m_position = widget->convertFromContainingWindow(IntPoint(e.x, e.y)); m_globalPosition = IntPoint(e.globalX, e.globalY); m_timestamp = e.timeStampSeconds; m_modifiers = 0; if (e.modifiers & WebInputEvent::ShiftKey) m_modifiers |= PlatformEvent::ShiftKey; if (e.modifiers & WebInputEvent::ControlKey) m_modifiers |= PlatformEvent::CtrlKey; if (e.modifiers & WebInputEvent::AltKey) m_modifiers |= PlatformEvent::AltKey; if (e.modifiers & WebInputEvent::MetaKey) m_modifiers |= PlatformEvent::MetaKey; } #endif // MakePlatformKeyboardEvent -------------------------------------------------- inline PlatformEvent::Type toPlatformKeyboardEventType(WebInputEvent::Type type) { switch (type) { case WebInputEvent::KeyUp: return PlatformEvent::KeyUp; case WebInputEvent::KeyDown: return PlatformEvent::KeyDown; case WebInputEvent::RawKeyDown: return PlatformEvent::RawKeyDown; case WebInputEvent::Char: return PlatformEvent::Char; default: ASSERT_NOT_REACHED(); } return PlatformEvent::KeyDown; } PlatformKeyboardEventBuilder::PlatformKeyboardEventBuilder(const WebKeyboardEvent& e) { m_type = toPlatformKeyboardEventType(e.type); m_text = String(e.text); m_unmodifiedText = String(e.unmodifiedText); m_keyIdentifier = String(e.keyIdentifier); m_autoRepeat = (e.modifiers & WebInputEvent::IsAutoRepeat); m_nativeVirtualKeyCode = e.nativeKeyCode; m_isKeypad = (e.modifiers & WebInputEvent::IsKeyPad); m_isSystemKey = e.isSystemKey; m_modifiers = 0; if (e.modifiers & WebInputEvent::ShiftKey) m_modifiers |= PlatformEvent::ShiftKey; if (e.modifiers & WebInputEvent::ControlKey) m_modifiers |= PlatformEvent::CtrlKey; if (e.modifiers & WebInputEvent::AltKey) m_modifiers |= PlatformEvent::AltKey; if (e.modifiers & WebInputEvent::MetaKey) m_modifiers |= PlatformEvent::MetaKey; // FIXME: PlatformKeyboardEvents expect a locational version of the keycode (e.g. VK_LSHIFT // instead of VK_SHIFT). This should be changed so the location/keycode are stored separately, // as in other places in the code. m_windowsVirtualKeyCode = e.windowsKeyCode; if (e.windowsKeyCode == VK_SHIFT) { if (e.modifiers & WebInputEvent::IsLeft) m_windowsVirtualKeyCode = VK_LSHIFT; else if (e.modifiers & WebInputEvent::IsRight) m_windowsVirtualKeyCode = VK_RSHIFT; } else if (e.windowsKeyCode == VK_CONTROL) { if (e.modifiers & WebInputEvent::IsLeft) m_windowsVirtualKeyCode = VK_LCONTROL; else if (e.modifiers & WebInputEvent::IsRight) m_windowsVirtualKeyCode = VK_RCONTROL; } else if (e.windowsKeyCode == VK_MENU) { if (e.modifiers & WebInputEvent::IsLeft) m_windowsVirtualKeyCode = VK_LMENU; else if (e.modifiers & WebInputEvent::IsRight) m_windowsVirtualKeyCode = VK_RMENU; } } void PlatformKeyboardEventBuilder::setKeyType(Type type) { // According to the behavior of Webkit in Windows platform, // we need to convert KeyDown to RawKeydown and Char events // See WebKit/WebKit/Win/WebView.cpp ASSERT(m_type == KeyDown); ASSERT(type == RawKeyDown || type == Char); m_type = type; if (type == RawKeyDown) { m_text = String(); m_unmodifiedText = String(); } else { m_keyIdentifier = String(); m_windowsVirtualKeyCode = 0; } } // Please refer to bug http://b/issue?id=961192, which talks about Webkit // keyboard event handling changes. It also mentions the list of keys // which don't have associated character events. bool PlatformKeyboardEventBuilder::isCharacterKey() const { switch (windowsVirtualKeyCode()) { case VKEY_BACK: case VKEY_ESCAPE: return false; } return true; } #if ENABLE(TOUCH_EVENTS) inline PlatformEvent::Type toPlatformTouchEventType(const WebInputEvent::Type type) { switch (type) { case WebInputEvent::TouchStart: return PlatformEvent::TouchStart; case WebInputEvent::TouchMove: return PlatformEvent::TouchMove; case WebInputEvent::TouchEnd: return PlatformEvent::TouchEnd; case WebInputEvent::TouchCancel: return PlatformEvent::TouchCancel; default: ASSERT_NOT_REACHED(); } return PlatformEvent::TouchStart; } inline PlatformTouchPoint::State toPlatformTouchPointState(const WebTouchPoint::State state) { switch (state) { case WebTouchPoint::StateReleased: return PlatformTouchPoint::TouchReleased; case WebTouchPoint::StatePressed: return PlatformTouchPoint::TouchPressed; case WebTouchPoint::StateMoved: return PlatformTouchPoint::TouchMoved; case WebTouchPoint::StateStationary: return PlatformTouchPoint::TouchStationary; case WebTouchPoint::StateCancelled: return PlatformTouchPoint::TouchCancelled; case WebTouchPoint::StateUndefined: ASSERT_NOT_REACHED(); } return PlatformTouchPoint::TouchReleased; } inline WebTouchPoint::State toWebTouchPointState(const AtomicString& type) { if (type == eventNames().touchendEvent) return WebTouchPoint::StateReleased; if (type == eventNames().touchcancelEvent) return WebTouchPoint::StateCancelled; if (type == eventNames().touchstartEvent) return WebTouchPoint::StatePressed; if (type == eventNames().touchmoveEvent) return WebTouchPoint::StateMoved; return WebTouchPoint::StateUndefined; } PlatformTouchPointBuilder::PlatformTouchPointBuilder(Widget* widget, const WebTouchPoint& point) { m_id = point.id; m_state = toPlatformTouchPointState(point.state); m_pos = widget->convertFromContainingWindow(point.position); m_screenPos = point.screenPosition; m_radiusY = point.radiusY; m_radiusX = point.radiusX; m_rotationAngle = point.rotationAngle; m_force = point.force; } PlatformTouchEventBuilder::PlatformTouchEventBuilder(Widget* widget, const WebTouchEvent& event) { m_type = toPlatformTouchEventType(event.type); m_modifiers = 0; if (event.modifiers & WebInputEvent::ShiftKey) m_modifiers |= PlatformEvent::ShiftKey; if (event.modifiers & WebInputEvent::ControlKey) m_modifiers |= PlatformEvent::CtrlKey; if (event.modifiers & WebInputEvent::AltKey) m_modifiers |= PlatformEvent::AltKey; if (event.modifiers & WebInputEvent::MetaKey) m_modifiers |= PlatformEvent::MetaKey; m_timestamp = event.timeStampSeconds; for (unsigned i = 0; i < event.touchesLength; ++i) m_touchPoints.append(PlatformTouchPointBuilder(widget, event.touches[i])); } #endif static int getWebInputModifiers(const UIEventWithKeyState& event) { int modifiers = 0; if (event.ctrlKey()) modifiers |= WebInputEvent::ControlKey; if (event.shiftKey()) modifiers |= WebInputEvent::ShiftKey; if (event.altKey()) modifiers |= WebInputEvent::AltKey; if (event.metaKey()) modifiers |= WebInputEvent::MetaKey; return modifiers; } static IntPoint convertLocationForRenderObject(const LayoutPoint& location, const WebCore::RenderObject& renderObject) { return roundedIntPoint(renderObject.absoluteToLocal(location, UseTransforms | SnapOffsetForTransforms)); } static void updateWebMouseEventFromWebCoreMouseEvent(const MouseEvent& event, const Widget& widget, const WebCore::RenderObject& renderObject, WebMouseEvent& webEvent) { webEvent.timeStampSeconds = event.timeStamp() / millisPerSecond; webEvent.modifiers = getWebInputModifiers(event); ScrollView* view = widget.parent(); IntPoint windowPoint = view->contentsToWindow(IntPoint(event.absoluteLocation().x(), event.absoluteLocation().y())); webEvent.globalX = event.screenX(); webEvent.globalY = event.screenY(); webEvent.windowX = windowPoint.x(); webEvent.windowY = windowPoint.y(); IntPoint localPoint = convertLocationForRenderObject(event.absoluteLocation(), renderObject); webEvent.x = localPoint.x(); webEvent.y = localPoint.y(); } WebMouseEventBuilder::WebMouseEventBuilder(const Widget* widget, const WebCore::RenderObject* renderObject, const MouseEvent& event) { if (event.type() == eventNames().mousemoveEvent) type = WebInputEvent::MouseMove; else if (event.type() == eventNames().mouseoutEvent) type = WebInputEvent::MouseLeave; else if (event.type() == eventNames().mouseoverEvent) type = WebInputEvent::MouseEnter; else if (event.type() == eventNames().mousedownEvent) type = WebInputEvent::MouseDown; else if (event.type() == eventNames().mouseupEvent) type = WebInputEvent::MouseUp; else if (event.type() == eventNames().contextmenuEvent) type = WebInputEvent::ContextMenu; else return; // Skip all other mouse events. updateWebMouseEventFromWebCoreMouseEvent(event, *widget, *renderObject, *this); switch (event.button()) { case LeftButton: button = WebMouseEvent::ButtonLeft; break; case MiddleButton: button = WebMouseEvent::ButtonMiddle; break; case RightButton: button = WebMouseEvent::ButtonRight; break; } if (event.buttonDown()) { switch (event.button()) { case LeftButton: modifiers |= WebInputEvent::LeftButtonDown; break; case MiddleButton: modifiers |= WebInputEvent::MiddleButtonDown; break; case RightButton: modifiers |= WebInputEvent::RightButtonDown; break; } } #if ENABLE(POINTER_LOCK) movementX = event.webkitMovementX(); movementY = event.webkitMovementY(); #endif clickCount = event.detail(); } WebMouseWheelEventBuilder::WebMouseWheelEventBuilder(const Widget* widget, const WebCore::RenderObject* renderObject, const WheelEvent& event) { if (event.type() != eventNames().mousewheelEvent) return; type = WebInputEvent::MouseWheel; updateWebMouseEventFromWebCoreMouseEvent(event, *widget, *renderObject, *this); deltaX = static_cast(event.rawDeltaX()); deltaY = static_cast(event.rawDeltaY()); // The 120 is from WheelEvent::initWheelEvent(). wheelTicksX = static_cast(event.wheelDeltaX()) / 120; wheelTicksY = static_cast(event.wheelDeltaY()) / 120; scrollByPage = event.granularity() == WheelEvent::Page; } WebKeyboardEventBuilder::WebKeyboardEventBuilder(const KeyboardEvent& event) { if (event.type() == eventNames().keydownEvent) type = KeyDown; else if (event.type() == eventNames().keyupEvent) type = WebInputEvent::KeyUp; else if (event.type() == eventNames().keypressEvent) type = WebInputEvent::Char; else return; // Skip all other keyboard events. modifiers = getWebInputModifiers(event); if (event.keyLocation() == KeyboardEvent::DOM_KEY_LOCATION_NUMPAD) modifiers |= WebInputEvent::IsKeyPad; else if (event.keyLocation() == KeyboardEvent::DOM_KEY_LOCATION_LEFT) modifiers |= WebInputEvent::IsLeft; else if (event.keyLocation() == KeyboardEvent::DOM_KEY_LOCATION_RIGHT) modifiers |= WebInputEvent::IsRight; timeStampSeconds = event.timeStamp() / millisPerSecond; windowsKeyCode = event.keyCode(); // The platform keyevent does not exist if the event was created using // initKeyboardEvent. if (!event.keyEvent()) return; nativeKeyCode = event.keyEvent()->nativeVirtualKeyCode(); unsigned numberOfCharacters = std::min(event.keyEvent()->text().length(), static_cast(textLengthCap)); for (unsigned i = 0; i < numberOfCharacters; ++i) { text[i] = event.keyEvent()->text()[i]; unmodifiedText[i] = event.keyEvent()->unmodifiedText()[i]; } memcpy(keyIdentifier, event.keyIdentifier().ascii().data(), event.keyIdentifier().length()); } #if ENABLE(TOUCH_EVENTS) static void addTouchPoints(const AtomicString& touchType, TouchList* touches, WebTouchPoint* touchPoints, unsigned* touchPointsLength, const WebCore::RenderObject* renderObject) { unsigned numberOfTouches = std::min(touches->length(), static_cast(WebTouchEvent::touchesLengthCap)); for (unsigned i = 0; i < numberOfTouches; ++i) { const Touch* touch = touches->item(i); WebTouchPoint point; point.id = touch->identifier(); point.screenPosition = WebPoint(touch->screenX(), touch->screenY()); point.position = convertLocationForRenderObject(LayoutPoint(IntPoint(touch->pageX(), touch->pageY())), *renderObject); point.radiusX = touch->webkitRadiusX(); point.radiusY = touch->webkitRadiusY(); point.rotationAngle = touch->webkitRotationAngle(); point.force = touch->webkitForce(); point.state = toWebTouchPointState(touchType); touchPoints[i] = point; } *touchPointsLength = numberOfTouches; } WebTouchEventBuilder::WebTouchEventBuilder(const Widget* widget, const WebCore::RenderObject* renderObject, const TouchEvent& event) { if (event.type() == eventNames().touchstartEvent) type = TouchStart; else if (event.type() == eventNames().touchmoveEvent) type = TouchMove; else if (event.type() == eventNames().touchendEvent) type = TouchEnd; else if (event.type() == eventNames().touchcancelEvent) type = TouchCancel; else { ASSERT_NOT_REACHED(); type = Undefined; return; } modifiers = getWebInputModifiers(event); timeStampSeconds = event.timeStamp() / millisPerSecond; addTouchPoints(event.type(), event.touches(), touches, &touchesLength, renderObject); addTouchPoints(event.type(), event.changedTouches(), changedTouches, &changedTouchesLength, renderObject); addTouchPoints(event.type(), event.targetTouches(), targetTouches, &targetTouchesLength, renderObject); } #endif // ENABLE(TOUCH_EVENTS) #if ENABLE(GESTURE_EVENTS) WebGestureEventBuilder::WebGestureEventBuilder(const Widget* widget, const WebCore::RenderObject* renderObject, const GestureEvent& event) { if (event.type() == eventNames().gesturetapEvent) type = GestureTap; else if (event.type() == eventNames().gesturetapdownEvent) type = GestureTapDown; else if (event.type() == eventNames().gesturescrollstartEvent) type = GestureScrollBegin; else if (event.type() == eventNames().gesturescrollendEvent) type = GestureScrollEnd; else if (event.type() == eventNames().gesturescrollupdateEvent) { type = GestureScrollUpdate; data.scrollUpdate.deltaX = event.deltaX(); data.scrollUpdate.deltaY = event.deltaY(); } timeStampSeconds = event.timeStamp() / millisPerSecond; modifiers = getWebInputModifiers(event); globalX = event.screenX(); globalY = event.screenY(); IntPoint localPoint = convertLocationForRenderObject(event.absoluteLocation(), *renderObject); x = localPoint.x(); y = localPoint.y(); } #endif // ENABLE(GESTURE_EVENTS) } // namespace WebKit