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/layout/LayoutVideo.h"
  12 #include "core/paint/ImagePainter.h"
  13 #include "core/paint/LayoutObjectDrawingRecorder.h"
  14 #include "core/paint/PaintInfo.h"
  15 #include "platform/geometry/LayoutPoint.h"
  16 #include "platform/graphics/paint/ClipRecorder.h"
  17
  18 namespace blink {
  19
  20 void VideoPainter::paintReplaced(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
  21 {
  22     WebMediaPlayer* mediaPlayer = m_layoutVideo.mediaElement()->webMediaPlayer();
  23     bool displayingPoster = m_layoutVideo.videoElement()->shouldDisplayPosterImage();
  24     if (!displayingPoster && !mediaPlayer)
  25         return;
  26
  27     LayoutRect rect(m_layoutVideo.videoBox());
  28     if (rect.isEmpty())
  29         return;
  30     rect.moveBy(paintOffset);
  31
  32     GraphicsContext* context = paintInfo.context;
  33     LayoutRect contentRect = m_layoutVideo.contentBoxRect();
  34     contentRect.moveBy(paintOffset);
  35
  36     Optional<ClipRecorder> clipRecorder;
  37     if (!contentRect.contains(rect)) {
  38         clipRecorder.emplace(*context, m_layoutVideo, paintInfo.displayItemTypeForClipping(), contentRect);
  39     }
  40
  41     if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(*context, m_layoutVideo, paintInfo.phase, paintOffset))
  42         return;
  43
  44     LayoutObjectDrawingRecorder drawingRecorder(*context, m_layoutVideo, paintInfo.phase, contentRect, paintOffset);
  45
  46     if (displayingPoster) {
  47         ImagePainter(m_layoutVideo).paintIntoRect(context, rect);
  48     } else if ((paintInfo.globalPaintFlags() & GlobalPaintFlattenCompositingLayers) || !m_layoutVideo.acceleratedRenderingInUse()) {
  49         SkPaint videoPaint = context->fillPaint();
  50         videoPaint.setColor(SK_ColorBLACK);
  51         m_layoutVideo.videoElement()->paintCurrentFrame(context->canvas(), pixelSnappedIntRect(rect), &videoPaint);
  52     }
  53 }
  54
  55 } // namespace blink