| /** |
| * 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 "core/events/KeyboardEvent.h" |
| |
| #include "bindings/core/v8/DOMWrapperWorld.h" |
| #include "bindings/core/v8/ScriptState.h" |
| #include "platform/PlatformKeyboardEvent.h" |
| #include "platform/WindowsKeyboardCodes.h" |
| #include "wtf/PtrUtil.h" |
| |
| namespace blink { |
| |
| static inline const AtomicString& eventTypeForKeyboardEventType(PlatformEvent::EventType 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; |
| } |
| ASSERT_NOT_REACHED(); |
| return EventTypeNames::keydown; |
| } |
| |
| static inline KeyboardEvent::KeyLocationCode keyLocationCode(const PlatformKeyboardEvent& key) |
| { |
| if (key.isKeypad()) |
| return KeyboardEvent::DOM_KEY_LOCATION_NUMPAD; |
| if (key.getModifiers() & PlatformEvent::IsLeft) |
| return KeyboardEvent::DOM_KEY_LOCATION_LEFT; |
| if (key.getModifiers() & PlatformEvent::IsRight) |
| return KeyboardEvent::DOM_KEY_LOCATION_RIGHT; |
| return KeyboardEvent::DOM_KEY_LOCATION_STANDARD; |
| } |
| |
| KeyboardEvent* KeyboardEvent::create(ScriptState* scriptState, const AtomicString& type, const KeyboardEventInit& initializer) |
| { |
| if (scriptState->world().isIsolatedWorld()) |
| UIEventWithKeyState::didCreateEventInIsolatedWorld(initializer.ctrlKey(), initializer.altKey(), initializer.shiftKey(), initializer.metaKey()); |
| return new KeyboardEvent(type, initializer); |
| } |
| |
| KeyboardEvent::KeyboardEvent() |
| : m_location(DOM_KEY_LOCATION_STANDARD) |
| { |
| } |
| |
| KeyboardEvent::KeyboardEvent(const PlatformKeyboardEvent& key, AbstractView* view) |
| : UIEventWithKeyState(eventTypeForKeyboardEventType(key.type()), true, true, view, 0, key.getModifiers(), key.timestamp(), InputDeviceCapabilities::doesntFireTouchEventsSourceCapabilities()) |
| , m_keyEvent(wrapUnique(new PlatformKeyboardEvent(key))) |
| , m_code(key.code()) |
| , m_key(key.key()) |
| , m_location(keyLocationCode(key)) |
| { |
| initLocationModifiers(m_location); |
| } |
| |
| KeyboardEvent::KeyboardEvent(const AtomicString& eventType, const KeyboardEventInit& initializer) |
| : UIEventWithKeyState(eventType, initializer) |
| , m_code(initializer.code()) |
| , m_key(initializer.key()) |
| , m_location(initializer.location()) |
| { |
| if (initializer.repeat()) |
| m_modifiers |= PlatformEvent::IsAutoRepeat; |
| initLocationModifiers(initializer.location()); |
| } |
| |
| KeyboardEvent::KeyboardEvent(const AtomicString& eventType, bool canBubble, bool cancelable, AbstractView* view, |
| const String& code, const String& key, unsigned location, PlatformEvent::Modifiers modifiers, |
| double plaformTimeStamp) |
| : UIEventWithKeyState(eventType, canBubble, cancelable, view, 0, modifiers, plaformTimeStamp, InputDeviceCapabilities::doesntFireTouchEventsSourceCapabilities()) |
| , m_code(code) |
| , m_key(key) |
| , m_location(location) |
| { |
| initLocationModifiers(location); |
| } |
| |
| KeyboardEvent::~KeyboardEvent() |
| { |
| } |
| |
| void KeyboardEvent::initKeyboardEvent(ScriptState* scriptState, const AtomicString& type, bool canBubble, bool cancelable, AbstractView* view, |
| const String& keyIdentifier, unsigned location, bool ctrlKey, bool altKey, bool shiftKey, bool metaKey) |
| { |
| if (isBeingDispatched()) |
| return; |
| |
| if (scriptState->world().isIsolatedWorld()) |
| UIEventWithKeyState::didCreateEventInIsolatedWorld(ctrlKey, altKey, shiftKey, metaKey); |
| |
| initUIEvent(type, canBubble, cancelable, view, 0); |
| |
| m_location = location; |
| initModifiers(ctrlKey, altKey, shiftKey, metaKey); |
| initLocationModifiers(location); |
| } |
| |
| 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 OS(ANDROID) |
| // FIXME: Check to see if this applies to other OS. |
| // If the key event belongs to IME composition then propagate to JS. |
| if (m_keyEvent->nativeVirtualKeyCode() == 0xE5) // VKEY_PROCESSKEY |
| return m_keyEvent->nativeVirtualKeyCode(); |
| #endif |
| |
| if (type() == EventTypeNames::keydown || type() == EventTypeNames::keyup) |
| 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 |
| |
| 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(); |
| } |
| |
| void KeyboardEvent::initLocationModifiers(unsigned location) |
| { |
| switch (location) { |
| case KeyboardEvent::DOM_KEY_LOCATION_NUMPAD: |
| m_modifiers |= PlatformEvent::IsKeyPad; |
| break; |
| case KeyboardEvent::DOM_KEY_LOCATION_LEFT: |
| m_modifiers |= PlatformEvent::IsLeft; |
| break; |
| case KeyboardEvent::DOM_KEY_LOCATION_RIGHT: |
| m_modifiers |= PlatformEvent::IsRight; |
| break; |
| } |
| } |
| |
| DEFINE_TRACE(KeyboardEvent) |
| { |
| UIEventWithKeyState::trace(visitor); |
| } |
| |
| } // namespace blink |