2 * Copyright (C) 2012 Victor Carbune (victor@rosedu.org)
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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.
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 #ifndef RenderTextTrackCue_h
27 #define RenderTextTrackCue_h
29 #if ENABLE(VIDEO_TRACK)
31 #include "FloatPoint.h"
32 #include "RenderBlock.h"
33 #include "RenderInline.h"
34 #include "RenderView.h"
38 class TextTrackCueBox;
40 class RenderTextTrackCue : public RenderBlock {
42 explicit RenderTextTrackCue(TextTrackCueBox*);
45 virtual void layout() OVERRIDE;
47 bool isOutside() const;
48 bool isOverlapping() const;
49 bool shouldSwitchDirection(InlineFlowBox*, LayoutUnit) const;
51 void moveBoxesByStep(LayoutUnit);
52 bool switchDirection(bool&, LayoutUnit&);
54 bool initializeLayoutParameters(InlineFlowBox*&, LayoutUnit&, LayoutUnit&);
55 void placeBoxInDefaultPosition(LayoutUnit, bool&);
56 void repositionCueSnapToLinesSet();
58 void repositionCueSnapToLinesNotSet();
61 FloatPoint m_fallbackPosition;
64 } // namespace WebCore
67 #endif // RenderTextTrackCue_h