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Diffstat (limited to 'webkit/api/src/WebInputEventConversion.cpp')
| -rw-r--r-- | webkit/api/src/WebInputEventConversion.cpp | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/webkit/api/src/WebInputEventConversion.cpp b/webkit/api/src/WebInputEventConversion.cpp new file mode 100644 index 0000000..1a66c6e --- /dev/null +++ b/webkit/api/src/WebInputEventConversion.cpp @@ -0,0 +1,248 @@ +/* + * 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 "WebInputEvent.h" + +#include "EventNames.h" +#include "KeyboardCodes.h" +#include "KeyboardEvent.h" +#include "MouseEvent.h" +#include "PlatformKeyboardEvent.h" +#include "PlatformMouseEvent.h" +#include "PlatformWheelEvent.h" +#include "ScrollView.h" +#include "Widget.h" + +using namespace WebCore; + +namespace WebKit { + +// 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); + m_button = static_cast<MouseButton>(e.button); + m_shiftKey = (e.modifiers & WebInputEvent::ShiftKey) != 0; + m_ctrlKey = (e.modifiers & WebInputEvent::ControlKey) != 0; + m_altKey = (e.modifiers & WebInputEvent::AltKey) != 0; + m_metaKey = (e.modifiers & WebInputEvent::MetaKey) != 0; + 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_eventType = MouseEventMoved; + break; + + case WebInputEvent::MouseDown: + m_eventType = MouseEventPressed; + break; + + case WebInputEvent::MouseUp: + m_eventType = MouseEventReleased; + 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_isAccepted = false; + m_granularity = e.scrollByPage ? + ScrollByPageWheelEvent : ScrollByPixelWheelEvent; + m_shiftKey = (e.modifiers & WebInputEvent::ShiftKey) != 0; + m_ctrlKey = (e.modifiers & WebInputEvent::ControlKey) != 0; + m_altKey = (e.modifiers & WebInputEvent::AltKey) != 0; + m_metaKey = (e.modifiers & WebInputEvent::MetaKey) != 0; +} + +// MakePlatformKeyboardEvent -------------------------------------------------- + +static inline const PlatformKeyboardEvent::Type toPlatformKeyboardEventType(WebInputEvent::Type type) +{ + switch (type) { + case WebInputEvent::KeyUp: + return PlatformKeyboardEvent::KeyUp; + case WebInputEvent::KeyDown: + return PlatformKeyboardEvent::KeyDown; + case WebInputEvent::RawKeyDown: + return PlatformKeyboardEvent::RawKeyDown; + case WebInputEvent::Char: + return PlatformKeyboardEvent::Char; + default: + ASSERT_NOT_REACHED(); + } + return PlatformKeyboardEvent::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) != 0; + m_windowsVirtualKeyCode = e.windowsKeyCode; + m_nativeVirtualKeyCode = e.nativeKeyCode; + m_isKeypad = (e.modifiers & WebInputEvent::IsKeyPad) != 0; + m_shiftKey = (e.modifiers & WebInputEvent::ShiftKey) != 0; + m_ctrlKey = (e.modifiers & WebInputEvent::ControlKey) != 0; + m_altKey = (e.modifiers & WebInputEvent::AltKey) != 0; + m_metaKey = (e.modifiers & WebInputEvent::MetaKey) != 0; + m_isSystemKey = e.isSystemKey; +} + +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; +} + +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; +} + +WebMouseEventBuilder::WebMouseEventBuilder(const ScrollView* view, 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 + return; // Skip all other mouse events. + timeStampSeconds = event.timeStamp() * 1.0e-3; + switch (event.button()) { + case LeftButton: + button = WebMouseEvent::ButtonLeft; + break; + case MiddleButton: + button = WebMouseEvent::ButtonMiddle; + break; + case RightButton: + button = WebMouseEvent::ButtonRight; + break; + } + modifiers = getWebInputModifiers(event); + if (event.buttonDown()) { + switch (event.button()) { + case LeftButton: + modifiers |= WebInputEvent::LeftButtonDown; + break; + case MiddleButton: + modifiers |= WebInputEvent::MiddleButtonDown; + break; + case RightButton: + modifiers |= WebInputEvent::RightButtonDown; + break; + } + } + IntPoint p = view->contentsToWindow(IntPoint(event.pageX(), event.pageY())); + globalX = event.screenX(); + globalY = event.screenY(); + windowX = p.x(); + windowY = p.y(); + x = event.offsetX(); + y = event.offsetY(); +} + +WebKeyboardEventBuilder::WebKeyboardEventBuilder(const KeyboardEvent& event) { + if (event.type() == eventNames().keydownEvent) + type = KeyDown; + else if (event.type() == eventNames().keyupEvent) + type = WebInputEvent::KeyUp; + else + return; // Skip all other keyboard events. + modifiers = getWebInputModifiers(event); + timeStampSeconds = event.timeStamp() * 1.0e-3; + windowsKeyCode = event.keyCode(); + nativeKeyCode = event.keyEvent()->nativeVirtualKeyCode(); +} + +} // namespace WebKit |