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 "Element.h" |
30 | #include "Frame.h" |
31 | #include <wtf/NeverDestroyed.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 | static NeverDestroyed<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()->focusedElement() : nullptr; |
58 | } |
59 | |
60 | UserTypingGestureIndicator::~UserTypingGestureIndicator() |
61 | { |
62 | s_processingUserTypingGesture = m_previousProcessingUserTypingGesture; |
63 | focusedNode() = m_previousFocusedNode; |
64 | } |
65 | |
66 | } // namespace WebCore |
67 | |