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 "Frame.h" 30 #include "Node.h" 31 #include <wtf/StdLibExtras.h> 32 33 namespace WebCore { 34 35 static bool s_processingUserTypingGesture; 36 bool UserTypingGestureIndicator::processingUserTypingGesture() 37 { 38 return s_processingUserTypingGesture; 39 } 40 41 static RefPtr<Node>& focusedNode() 42 { 43 DEFINE_STATIC_LOCAL(RefPtr<Node>, node, ()); 44 return node; 45 } 46 47 Node* UserTypingGestureIndicator::focusedElementAtGestureStart() 48 { 49 return focusedNode().get(); 50 } 51 52 UserTypingGestureIndicator::UserTypingGestureIndicator(Frame* frame) 53 : m_previousProcessingUserTypingGesture(s_processingUserTypingGesture) 54 , m_previousFocusedNode(focusedNode()) 55 { 56 s_processingUserTypingGesture = true; 57 focusedNode() = frame->document() ? frame->document()->focusedNode() : 0; 58 } 59 60 UserTypingGestureIndicator::~UserTypingGestureIndicator() 61 { 62 s_processingUserTypingGesture = m_previousProcessingUserTypingGesture; 63 focusedNode() = m_previousFocusedNode; 64 } 65 66 } // namespace WebCore 67