1/* 2 * Copyright (C) 2010 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "config.h" 27#include "UserTypingGestureIndicator.h" 28 29#include "Document.h" 30#include "Element.h" 31#include "Frame.h" 32#include <wtf/StdLibExtras.h> 33 34namespace WebCore { 35 36static bool s_processingUserTypingGesture; 37bool UserTypingGestureIndicator::processingUserTypingGesture() 38{ 39 return s_processingUserTypingGesture; 40} 41 42static RefPtr<Node>& focusedNode() 43{ 44 DEFINE_STATIC_LOCAL(RefPtr<Node>, node, ()); 45 return node; 46} 47 48Node* UserTypingGestureIndicator::focusedElementAtGestureStart() 49{ 50 return focusedNode().get(); 51} 52 53UserTypingGestureIndicator::UserTypingGestureIndicator(Frame* frame) 54 : m_previousProcessingUserTypingGesture(s_processingUserTypingGesture) 55 , m_previousFocusedNode(focusedNode()) 56{ 57 s_processingUserTypingGesture = true; 58 focusedNode() = frame->document() ? frame->document()->focusedElement() : 0; 59} 60 61UserTypingGestureIndicator::~UserTypingGestureIndicator() 62{ 63 s_processingUserTypingGesture = m_previousProcessingUserTypingGesture; 64 focusedNode() = m_previousFocusedNode; 65} 66 67} // namespace WebCore 68