diff options
author | Steve Block <steveblock@google.com> | 2011-05-06 11:45:16 +0100 |
---|---|---|
committer | Steve Block <steveblock@google.com> | 2011-05-12 13:44:10 +0100 |
commit | cad810f21b803229eb11403f9209855525a25d57 (patch) | |
tree | 29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /Source/WebCore/dom/KeyboardEvent.cpp | |
parent | 121b0cf4517156d0ac5111caf9830c51b69bae8f (diff) | |
download | external_webkit-cad810f21b803229eb11403f9209855525a25d57.zip external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.bz2 |
Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'Source/WebCore/dom/KeyboardEvent.cpp')
-rw-r--r-- | Source/WebCore/dom/KeyboardEvent.cpp | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/Source/WebCore/dom/KeyboardEvent.cpp b/Source/WebCore/dom/KeyboardEvent.cpp new file mode 100644 index 0000000..7b0f3af --- /dev/null +++ b/Source/WebCore/dom/KeyboardEvent.cpp @@ -0,0 +1,163 @@ +/** + * Copyright (C) 2001 Peter Kelly (pmk@post.com) + * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de) + * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) + * Copyright (C) 2003, 2005, 2006, 2007 Apple Inc. All rights reserved. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#include "config.h" +#include "KeyboardEvent.h" + +#include "Document.h" +#include "DOMWindow.h" +#include "EventNames.h" +#include "EventHandler.h" +#include "Frame.h" +#include "PlatformKeyboardEvent.h" +#include "Settings.h" + +namespace WebCore { + +static inline const AtomicString& eventTypeForKeyboardEventType(PlatformKeyboardEvent::Type type) +{ + switch (type) { + case PlatformKeyboardEvent::KeyUp: + return eventNames().keyupEvent; + case PlatformKeyboardEvent::RawKeyDown: + return eventNames().keydownEvent; + case PlatformKeyboardEvent::Char: + return eventNames().keypressEvent; + case PlatformKeyboardEvent::KeyDown: + // The caller should disambiguate the combined event into RawKeyDown or Char events. + break; + } + ASSERT_NOT_REACHED(); + return eventNames().keydownEvent; +} + +KeyboardEvent::KeyboardEvent() + : m_keyEvent(0) + , m_keyLocation(DOM_KEY_LOCATION_STANDARD) + , m_altGraphKey(false) +{ +} + +KeyboardEvent::KeyboardEvent(const PlatformKeyboardEvent& key, AbstractView* view) + : UIEventWithKeyState(eventTypeForKeyboardEventType(key.type()), + true, true, view, 0, key.ctrlKey(), key.altKey(), key.shiftKey(), key.metaKey()) + , m_keyEvent(new PlatformKeyboardEvent(key)) + , m_keyIdentifier(key.keyIdentifier()) + , m_keyLocation(key.isKeypad() ? DOM_KEY_LOCATION_NUMPAD : DOM_KEY_LOCATION_STANDARD) // FIXME: differentiate right/left, too + , m_altGraphKey(false) +{ +} + +KeyboardEvent::KeyboardEvent(const AtomicString& eventType, bool canBubble, bool cancelable, AbstractView *view, + const String &keyIdentifier, unsigned keyLocation, + bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool altGraphKey) + : UIEventWithKeyState(eventType, canBubble, cancelable, view, 0, ctrlKey, altKey, shiftKey, metaKey) + , m_keyEvent(0) + , m_keyIdentifier(keyIdentifier) + , m_keyLocation(keyLocation) + , m_altGraphKey(altGraphKey) +{ +} + +KeyboardEvent::~KeyboardEvent() +{ +} + +void KeyboardEvent::initKeyboardEvent(const AtomicString& type, bool canBubble, bool cancelable, AbstractView* view, + const String &keyIdentifier, unsigned keyLocation, + bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool altGraphKey) +{ + if (dispatched()) + return; + + initUIEvent(type, canBubble, cancelable, view, 0); + + m_keyIdentifier = keyIdentifier; + m_keyLocation = keyLocation; + m_ctrlKey = ctrlKey; + m_shiftKey = shiftKey; + m_altKey = altKey; + m_metaKey = metaKey; + m_altGraphKey = altGraphKey; +} + +bool KeyboardEvent::getModifierState(const String& keyIdentifier) const +{ + if (keyIdentifier == "Control") + return ctrlKey(); + if (keyIdentifier == "Shift") + return shiftKey(); + if (keyIdentifier == "Alt") + return altKey(); + if (keyIdentifier == "Meta") + return metaKey(); + return false; +} + +int KeyboardEvent::keyCode() const +{ + // IE: virtual key code for keyup/keydown, character code for keypress + // Firefox: virtual key code for keyup/keydown, zero for keypress + // We match IE. + if (!m_keyEvent) + return 0; + if (type() == eventNames().keydownEvent || type() == eventNames().keyupEvent) + return m_keyEvent->windowsVirtualKeyCode(); + return charCode(); +} + +int KeyboardEvent::charCode() const +{ + // IE: not supported + // Firefox: 0 for keydown/keyup events, character code for keypress + // We match Firefox, unless in backward compatibility mode, where we always return the character code. + bool backwardCompatibilityMode = false; + if (view() && view()->frame()) + backwardCompatibilityMode = view()->frame()->eventHandler()->needsKeyboardEventDisambiguationQuirks(); + + if (!m_keyEvent || (type() != eventNames().keypressEvent && !backwardCompatibilityMode)) + return 0; + String text = m_keyEvent->text(); + return static_cast<int>(text.characterStartingAt(0)); +} + +bool KeyboardEvent::isKeyboardEvent() const +{ + return true; +} + +int KeyboardEvent::which() const +{ + // Netscape's "which" returns a virtual key code for keydown and keyup, and a character code for keypress. + // That's exactly what IE's "keyCode" returns. So they are the same for keyboard events. + return keyCode(); +} + +KeyboardEvent* findKeyboardEvent(Event* event) +{ + for (Event* e = event; e; e = e->underlyingEvent()) + if (e->isKeyboardEvent()) + return static_cast<KeyboardEvent*>(e); + return 0; +} + +} // namespace WebCore |