src/third_party/WebKit/Source/core/paint/VideoPainter.cpp

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "config.h"
   6 #include "core/paint/VideoPainter.h"
   7
   8 #include "core/dom/Document.h"
   9 #include "core/frame/FrameView.h"
  10 #include "core/html/HTMLVideoElement.h"
  11 #include "core/paint/ImagePainter.h"
  12 #include "core/rendering/PaintInfo.h"
  13 #include "core/rendering/RenderVideo.h"
  14 #include "platform/geometry/LayoutPoint.h"
  15 #include "platform/graphics/GraphicsContextStateSaver.h"
  16 #include "platform/graphics/media/MediaPlayer.h"
  17
  18 namespace blink {
  19
  20 void VideoPainter::paintReplaced(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
  21 {
  22     WebMediaPlayer* mediaPlayer = m_renderVideo.mediaElement()->webMediaPlayer();
  23     bool displayingPoster = m_renderVideo.videoElement()->shouldDisplayPosterImage();
  24     if (!displayingPoster && !mediaPlayer)
  25         return;
  26
  27     LayoutRect rect = m_renderVideo.videoBox();
  28     if (rect.isEmpty())
  29         return;
  30     rect.moveBy(paintOffset);
  31
  32     LayoutRect contentRect = m_renderVideo.contentBoxRect();
  33     contentRect.moveBy(paintOffset);
  34     GraphicsContext* context = paintInfo.context;
  35     bool clip = !contentRect.contains(rect);
  36     if (clip) {
  37         context->save();
  38         context->clip(contentRect);
  39     }
  40
  41     if (displayingPoster)
  42         ImagePainter(m_renderVideo).paintIntoRect(context, rect);
  43     else if ((m_renderVideo.document().view() && m_renderVideo.document().view()->paintBehavior() & PaintBehaviorFlattenCompositingLayers) || !m_renderVideo.acceleratedRenderingInUse())
  44         m_renderVideo.videoElement()->paintCurrentFrameInContext(context, pixelSnappedIntRect(rect));
  45
  46     if (clip)
  47         context->restore();
  48 }
  49
  50 } // namespace blink