1 /*
2 * Copyright (C) 2011 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 are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Neither the name of Google Inc. nor the names of its
11 * contributors may be used to endorse or promote products derived from
12 * this software without specific prior written permission.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
15 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
17 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
18 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
20 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #ifndef RenderedDocumentMarker_h
28 #define RenderedDocumentMarker_h
29
30 #include "core/dom/DocumentMarker.h"
31
32 namespace WebCore {
33
34 class RenderedDocumentMarker : public DocumentMarker {
35 public:
36
RenderedDocumentMarker(const DocumentMarker & marker)37 explicit RenderedDocumentMarker(const DocumentMarker& marker)
38 : DocumentMarker(marker), m_renderedRect(invalidMarkerRect())
39 {
40 }
41
isRendered()42 bool isRendered() const { return invalidMarkerRect() != m_renderedRect; }
contains(const LayoutPoint & point)43 bool contains(const LayoutPoint& point) const { return isRendered() && m_renderedRect.contains(point); }
setRenderedRect(const LayoutRect & r)44 void setRenderedRect(const LayoutRect& r) { m_renderedRect = r; }
renderedRect()45 const LayoutRect& renderedRect() const { return m_renderedRect; }
46 void invalidate(const LayoutRect&);
invalidate()47 void invalidate() { m_renderedRect = invalidMarkerRect(); }
48
49 private:
invalidMarkerRect()50 static const LayoutRect& invalidMarkerRect()
51 {
52 static const LayoutRect rect = LayoutRect(-1, -1, -1, -1);
53 return rect;
54 }
55
56 LayoutRect m_renderedRect;
57 };
58
invalidate(const LayoutRect & r)59 inline void RenderedDocumentMarker::invalidate(const LayoutRect& r)
60 {
61 if (m_renderedRect.intersects(r))
62 invalidate();
63 }
64
toRenderedDocumentMarker(DocumentMarker * marker)65 inline RenderedDocumentMarker* toRenderedDocumentMarker(DocumentMarker* marker)
66 {
67 return static_cast<RenderedDocumentMarker*>(marker);
68 }
69
70 } // namespace
71
72 #endif
73