1/*
2 * Copyright (C) 2012 Google 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'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24
25#include "config.h"
26#include "WebSurroundingText.h"
27
28#include "WebHitTestResult.h"
29#include "core/dom/Element.h"
30#include "core/dom/Node.h"
31#include "core/dom/Range.h"
32#include "core/dom/Text.h"
33#include "core/editing/SurroundingText.h"
34#include "core/editing/VisiblePosition.h"
35#include "core/rendering/RenderObject.h"
36#include "public/platform/WebPoint.h"
37
38using namespace WebCore;
39
40namespace blink {
41
42void WebSurroundingText::initialize(const WebNode& webNode, const WebPoint& nodePoint, size_t maxLength)
43{
44    const Node* node = webNode.constUnwrap<Node>();
45    if (!node || !node->renderer())
46        return;
47
48    m_private.reset(new SurroundingText(VisiblePosition(node->renderer()->positionForPoint(static_cast<IntPoint>(nodePoint))), maxLength));
49}
50
51WebString WebSurroundingText::textContent() const
52{
53    return m_private->content();
54}
55
56size_t WebSurroundingText::hitOffsetInTextContent() const
57{
58    return m_private->positionOffsetInContent();
59}
60
61WebRange WebSurroundingText::rangeFromContentOffsets(size_t startOffsetInContent, size_t endOffsetInContent)
62{
63    return m_private->rangeFromContentOffsets(startOffsetInContent, endOffsetInContent);
64}
65
66bool WebSurroundingText::isNull() const
67{
68    return !m_private.get();
69}
70
71void WebSurroundingText::reset()
72{
73    m_private.reset(0);
74}
75
76} // namespace blink
77