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 "public/web/WebSurroundingText.h"
27
28 #include "core/dom/Element.h"
29 #include "core/dom/Node.h"
30 #include "core/dom/Range.h"
31 #include "core/dom/Text.h"
32 #include "core/editing/SurroundingText.h"
33 #include "core/editing/VisiblePosition.h"
34 #include "core/rendering/RenderObject.h"
35 #include "public/platform/WebPoint.h"
36 #include "public/web/WebHitTestResult.h"
37
38 namespace blink {
39
initialize(const WebNode & webNode,const WebPoint & nodePoint,size_t maxLength)40 void WebSurroundingText::initialize(const WebNode& webNode, const WebPoint& nodePoint, size_t maxLength)
41 {
42 const Node* node = webNode.constUnwrap<Node>();
43 if (!node || !node->renderer())
44 return;
45
46 m_private.reset(new SurroundingText(VisiblePosition(node->renderer()->positionForPoint(static_cast<IntPoint>(nodePoint))).deepEquivalent().parentAnchoredEquivalent(), maxLength));
47 }
48
initialize(const WebRange & webRange,size_t maxLength)49 void WebSurroundingText::initialize(const WebRange& webRange, size_t maxLength)
50 {
51 if (RefPtrWillBeRawPtr<Range> range = static_cast<PassRefPtrWillBeRawPtr<Range> >(webRange))
52 m_private.reset(new SurroundingText(*range, maxLength));
53 }
54
textContent() const55 WebString WebSurroundingText::textContent() const
56 {
57 return m_private->content();
58 }
59
hitOffsetInTextContent() const60 size_t WebSurroundingText::hitOffsetInTextContent() const
61 {
62 ASSERT(m_private->startOffsetInContent() == m_private->endOffsetInContent());
63 return m_private->startOffsetInContent();
64 }
65
startOffsetInTextContent() const66 size_t WebSurroundingText::startOffsetInTextContent() const
67 {
68 return m_private->startOffsetInContent();
69 }
70
endOffsetInTextContent() const71 size_t WebSurroundingText::endOffsetInTextContent() const
72 {
73 return m_private->endOffsetInContent();
74 }
75
rangeFromContentOffsets(size_t startOffsetInContent,size_t endOffsetInContent)76 WebRange WebSurroundingText::rangeFromContentOffsets(size_t startOffsetInContent, size_t endOffsetInContent)
77 {
78 return m_private->rangeFromContentOffsets(startOffsetInContent, endOffsetInContent);
79 }
80
isNull() const81 bool WebSurroundingText::isNull() const
82 {
83 return !m_private.get();
84 }
85
reset()86 void WebSurroundingText::reset()
87 {
88 m_private.reset(0);
89 }
90
91 } // namespace blink
92