Switch KeyboardEvents over to NewEventHandler

sky/engine/core/events/KeyboardEvent.cpp

-/**
- * 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.
- */
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
 
 #include "sky/engine/config.h"
 #include "sky/engine/core/events/KeyboardEvent.h"
 
-#include "sky/engine/platform/PlatformKeyboardEvent.h"
-#include "sky/engine/platform/WindowsKeyboardCodes.h"
-
 namespace blink {
 
-static inline const AtomicString& eventTypeForKeyboardEventType(PlatformEvent::Type type)
+static AtomicString stringForType(WebInputEvent::Type type)
 {
-    switch (type) {
-        case PlatformEvent::KeyUp:
-            return EventTypeNames::keyup;
-        case PlatformEvent::RawKeyDown:
-            return EventTypeNames::keydown;
-        case PlatformEvent::Char:
-            return EventTypeNames::keypress;
-        case PlatformEvent::KeyDown:
-            // The caller should disambiguate the combined event into RawKeyDown or Char events.
-            break;
-        default:
-            break;
-    }
+    if (type == WebInputEvent::KeyDown)
+        return EventTypeNames::keydown;
+    if (type == WebInputEvent::Char)
+        return EventTypeNames::keypress;
+    if (type == WebInputEvent::KeyUp)
+        return EventTypeNames::keyup;
     ASSERT_NOT_REACHED();
-    return EventTypeNames::keydown;
+    return AtomicString();
 }
 
-static inline int windowsVirtualKeyCodeWithoutLocation(int keycode)
+static String locationFromModifiers(int modifiers)
 {
-    switch (keycode) {
-    case VK_LCONTROL:
-    case VK_RCONTROL:
-        return VK_CONTROL;
-    case VK_LSHIFT:
-    case VK_RSHIFT:
-        return VK_SHIFT;
-    case VK_LMENU:
-    case VK_RMENU:
-        return VK_MENU;
-    default:
-        return keycode;
-    }
-}
-
-static inline KeyboardEvent::KeyLocationCode keyLocationCode(const PlatformKeyboardEvent& key)
-{
-    if (key.isKeypad())
-        return KeyboardEvent::DOM_KEY_LOCATION_NUMPAD;
-
-    switch (key.windowsVirtualKeyCode()) {
-    case VK_LCONTROL:
-    case VK_LSHIFT:
-    case VK_LMENU:
-    case VK_LWIN:
-        return KeyboardEvent::DOM_KEY_LOCATION_LEFT;
-    case VK_RCONTROL:
-    case VK_RSHIFT:
-    case VK_RMENU:
-    case VK_RWIN:
-        return KeyboardEvent::DOM_KEY_LOCATION_RIGHT;
-    default:
-        return KeyboardEvent::DOM_KEY_LOCATION_STANDARD;
-    }
-}
-
-KeyboardEventInit::KeyboardEventInit()
-    : location(0)
-    , ctrlKey(false)
-    , altKey(false)
-    , shiftKey(false)
-    , metaKey(false)
-    , repeat(false)
-{
-}
-
-KeyboardEvent::KeyboardEvent()
-    : m_location(DOM_KEY_LOCATION_STANDARD)
-    , m_isAutoRepeat(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(adoptPtr(new PlatformKeyboardEvent(key)))
-    , m_keyIdentifier(key.keyIdentifier())
-    , m_location(keyLocationCode(key))
-    , m_isAutoRepeat(key.isAutoRepeat())
-{
-}
-
-KeyboardEvent::KeyboardEvent(const AtomicString& eventType, const KeyboardEventInit& initializer)
-    : UIEventWithKeyState(eventType, initializer.bubbles, initializer.cancelable, initializer.view, initializer.detail, initializer.ctrlKey, initializer.altKey, initializer.shiftKey, initializer.metaKey)
-    , m_keyIdentifier(initializer.keyIdentifier)
-    , m_location(initializer.location)
-    , m_isAutoRepeat(initializer.repeat)
-{
-}
-
-KeyboardEvent::KeyboardEvent(const AtomicString& eventType, bool canBubble, bool cancelable, AbstractView *view,
-                             const String &keyIdentifier,  unsigned location,
-                             bool ctrlKey, bool altKey, bool shiftKey, bool metaKey)
-    : UIEventWithKeyState(eventType, canBubble, cancelable, view, 0, ctrlKey, altKey, shiftKey, metaKey)
-    , m_keyIdentifier(keyIdentifier)
-    , m_location(location)
-    , m_isAutoRepeat(false)
-{
+    if (modifiers & WebInputEvent::IsKeyPad)
+        return "numpad";
+    if (modifiers & WebInputEvent::IsLeft)
+        return "left";
+    if (modifiers & WebInputEvent::IsRight)
+        return "right";
+    return "standard";
 }
 
 KeyboardEvent::~KeyboardEvent()
 {
 }
 
-void KeyboardEvent::initKeyboardEvent(const AtomicString& type, bool canBubble, bool cancelable, AbstractView* view,
-                                      const String &keyIdentifier, unsigned location,
-                                      bool ctrlKey, bool altKey, bool shiftKey, bool metaKey)
-{
-    if (dispatched())
-        return;
-
-    initUIEvent(type, canBubble, cancelable, view, 0);
-
-    m_keyIdentifier = keyIdentifier;
-    m_location = location;
-    m_ctrlKey = ctrlKey;
-    m_shiftKey = shiftKey;
-    m_altKey = altKey;
-    m_metaKey = metaKey;
-}
-
-bool KeyboardEvent::getModifierState(const String& keyIdentifier) const
-{
-    // FIXME: The following keyIdentifiers are not supported yet (crbug.com/265458):
-    // "AltGraph", "CapsLock", "Fn", "NumLock", "ScrollLock", "SymbolLock", "OS".
-    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() == EventTypeNames::keydown || type() == EventTypeNames::keyup)
-        return windowsVirtualKeyCodeWithoutLocation(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
-
-    if (!m_keyEvent || (type() != EventTypeNames::keypress))
-        return 0;
-    String text = m_keyEvent->text();
-    return static_cast<int>(text.characterStartingAt(0));
-}
-
 const AtomicString& KeyboardEvent::interfaceName() const
 {
     return EventNames::KeyboardEvent;
 }
 
 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();
-}
-
-PassRefPtr<KeyboardEventDispatchMediator> KeyboardEventDispatchMediator::create(PassRefPtr<KeyboardEvent> event)
-{
-    return adoptRef(new KeyboardEventDispatchMediator(event));
-}
-
-KeyboardEventDispatchMediator::KeyboardEventDispatchMediator(PassRefPtr<KeyboardEvent> event)
-    : EventDispatchMediator(event)
+KeyboardEvent::KeyboardEvent()
+    : KeyboardEvent(AtomicString(), KeyboardEventInit())
 {
 }
 
-bool KeyboardEventDispatchMediator::dispatchEvent(EventDispatcher* dispatcher) const
+KeyboardEvent::KeyboardEvent(const WebKeyboardEvent& event)
+    : Event(stringForType(event.type), true, true)
+    , m_key(event.key)
+    , m_location(locationFromModifiers(event.modifiers))
+    , m_charCode(event.charCode)
+    , m_ctrlKey(event.modifiers & WebInputEvent::ControlKey)
+    , m_shiftKey(event.modifiers & WebInputEvent::ShiftKey)
+    , m_altKey(event.modifiers & WebInputEvent::AltKey)
+    , m_metaKey(event.modifiers & WebInputEvent::MetaKey)
+    , m_repeat(event.modifiers & WebInputEvent::IsAutoRepeat)
 {
-    // Make sure not to return true if we already took default action while handling the event.
-    return EventDispatchMediator::dispatchEvent(dispatcher) && !event()->defaultHandled();
+    if (event.type == WebInputEvent::KeyDown || event.type == WebInputEvent::KeyUp) {
+        m_charCode = 0;
+    } else if (event.type == WebInputEvent::Char) {
+        m_key = 0;
+        m_location = String();
+    }
+}
+
+KeyboardEvent::KeyboardEvent(const AtomicString& type, const KeyboardEventInit& initializer)
+    : Event(type, initializer)
+    , m_key(initializer.key)
+    , m_location(initializer.location)
+    , m_charCode(initializer.charCode)
+    , m_ctrlKey(initializer.ctrlKey)
+    , m_shiftKey(initializer.shiftKey)
+    , m_altKey(initializer.altKey)
+    , m_metaKey(initializer.metaKey)
+    , m_repeat(initializer.repeat)
+{
 }
 
 } // namespace blink