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      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 #include "platform/geometry/LayoutRect.h"
     32 
     33 namespace blink {
     34 
     35 class RenderedDocumentMarker FINAL : public DocumentMarker {
     36 public:
     37     static PassOwnPtrWillBeRawPtr<RenderedDocumentMarker> create(const DocumentMarker& marker)
     38     {
     39         return adoptPtrWillBeNoop(new RenderedDocumentMarker(marker));
     40     }
     41 
     42     bool isRendered() const { return invalidMarkerRect() != m_renderedRect; }
     43     bool contains(const LayoutPoint& point) const { return isRendered() && m_renderedRect.contains(point); }
     44     void setRenderedRect(const LayoutRect& r) { m_renderedRect = r; }
     45     const LayoutRect& renderedRect() const { return m_renderedRect; }
     46     void invalidate(const LayoutRect&);
     47     void invalidate() { m_renderedRect = invalidMarkerRect(); }
     48 
     49 private:
     50     explicit RenderedDocumentMarker(const DocumentMarker& marker)
     51         : DocumentMarker(marker)
     52         , m_renderedRect(invalidMarkerRect())
     53     {
     54     }
     55 
     56     static const LayoutRect& invalidMarkerRect()
     57     {
     58         static const LayoutRect rect = LayoutRect(-1, -1, -1, -1);
     59         return rect;
     60     }
     61 
     62     LayoutRect m_renderedRect;
     63 };
     64 
     65 inline void RenderedDocumentMarker::invalidate(const LayoutRect& r)
     66 {
     67     if (m_renderedRect.intersects(r))
     68         invalidate();
     69 }
     70 
     71 DEFINE_TYPE_CASTS(RenderedDocumentMarker, DocumentMarker, marker, true, true);
     72 
     73 } // namespace blink
     74 
     75 WTF_ALLOW_MOVE_INIT_AND_COMPARE_WITH_MEM_FUNCTIONS(blink::RenderedDocumentMarker);
     76 
     77 #endif
     78