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authorSteve Block <steveblock@google.com>2011-05-06 11:45:16 +0100
committerSteve Block <steveblock@google.com>2011-05-12 13:44:10 +0100
commitcad810f21b803229eb11403f9209855525a25d57 (patch)
tree29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /Source/WebCore/dom/KeyboardEvent.cpp
parent121b0cf4517156d0ac5111caf9830c51b69bae8f (diff)
downloadexternal_webkit-cad810f21b803229eb11403f9209855525a25d57.zip
external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz
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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.cpp163
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+/**
+ * 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