third_party/WebKit/Source/core/layout/LayoutVideo.h

   1 /*
   2  * Copyright (C) 2007, 2009, 2010 Apple 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 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.
  24  */
  25
  26 #ifndef LayoutVideo_h
  27 #define LayoutVideo_h
  28
  29 #include "core/layout/LayoutMedia.h"
  30
  31 namespace blink {
  32
  33 class HTMLVideoElement;
  34
  35 class LayoutVideo final : public LayoutMedia {
  36 public:
  37     LayoutVideo(HTMLVideoElement*);
  38     ~LayoutVideo() override;
  39
  40     IntRect videoBox() const;
  41
  42     static LayoutSize defaultSize();
  43
  44     bool supportsAcceleratedRendering() const;
  45
  46     bool shouldDisplayVideo() const;
  47     HTMLVideoElement* videoElement() const;
  48     bool acceleratedRenderingInUse();
  49
  50     const char* name() const override { return "LayoutVideo"; }
  51
  52 private:
  53     void updateFromElement() override;
  54
  55     void intrinsicSizeChanged() override;
  56     LayoutSize calculateIntrinsicSize();
  57     void updateIntrinsicSize();
  58
  59     void imageChanged(WrappedImagePtr, const IntRect*) override;
  60
  61     bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectVideo || LayoutMedia::isOfType(type); }
  62
  63     void paintReplaced(const PaintInfo&, const LayoutPoint&) override;
  64
  65     void layout() override;
  66
  67     LayoutUnit computeReplacedLogicalWidth(ShouldComputePreferred  = ComputeActual) const override;
  68     LayoutUnit computeReplacedLogicalHeight() const override;
  69     LayoutUnit minimumReplacedHeight() const override;
  70
  71     LayoutUnit offsetLeft() const override;
  72     LayoutUnit offsetTop() const override;
  73     LayoutUnit offsetWidth() const override;
  74     LayoutUnit offsetHeight() const override;
  75
  76     CompositingReasons additionalCompositingReasons() const override;
  77
  78     void updatePlayer();
  79
  80
  81     LayoutSize m_cachedImageSize;
  82 };
  83
  84 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutVideo, isVideo());
  85
  86 } // namespace blink
  87
  88 #endif // LayoutVideo_h