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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/core/paint/video_painter.h"
#include "cc/layers/layer.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/frame/local_frame_view.h"
#include "third_party/blink/renderer/core/html/media/html_video_element.h"
#include "third_party/blink/renderer/core/layout/layout_video.h"
#include "third_party/blink/renderer/core/paint/box_painter.h"
#include "third_party/blink/renderer/core/paint/image_painter.h"
#include "third_party/blink/renderer/core/paint/paint_info.h"
#include "third_party/blink/renderer/platform/graphics/paint/drawing_recorder.h"
#include "third_party/blink/renderer/platform/graphics/paint/foreign_layer_display_item.h"
namespace blink {
void VideoPainter::PaintReplaced(const PaintInfo& paint_info,
const PhysicalOffset& paint_offset) {
if (paint_info.phase != PaintPhase::kForeground &&
paint_info.phase != PaintPhase::kSelectionDragImage)
return;
WebMediaPlayer* media_player =
layout_video_.MediaElement()->GetWebMediaPlayer();
bool force_video_poster =
layout_video_.GetDocument().GetPaintPreviewState() ==
Document::kPaintingPreviewSkipAcceleratedContent;
bool should_display_poster =
layout_video_.GetDisplayMode() == LayoutVideo::kPoster ||
force_video_poster;
if (!should_display_poster && !media_player)
return;
PhysicalRect replaced_rect = layout_video_.ReplacedContentRect();
replaced_rect.Move(paint_offset);
gfx::Rect snapped_replaced_rect = ToPixelSnappedRect(replaced_rect);
if (snapped_replaced_rect.IsEmpty())
return;
if (DrawingRecorder::UseCachedDrawingIfPossible(
paint_info.context, layout_video_, paint_info.phase))
return;
GraphicsContext& context = paint_info.context;
// Here we're not painting the video but rather preparing the layer for the
// compositor to submit video frames. But the compositor will do all the work
// related to the video moving forward. Therefore we mark the FCP here.
context.GetPaintController().SetImagePainted();
PhysicalRect content_box_rect = layout_video_.PhysicalContentBoxRect();
content_box_rect.Move(paint_offset);
if (layout_video_.GetDocument().GetPaintPreviewState() !=
Document::kNotPaintingPreview) {
// Create a canvas and draw a URL rect to it for the paint preview.
BoxDrawingRecorder recorder(context, layout_video_, paint_info.phase,
paint_offset);
context.SetURLForRect(layout_video_.GetDocument().Url(),
snapped_replaced_rect);
}
// Video frames are only painted in software for printing or capturing node
// images via web APIs.
bool force_software_video_paint =
paint_info.ShouldOmitCompositingInfo() && !force_video_poster;
bool paint_with_foreign_layer = paint_info.phase == PaintPhase::kForeground &&
!should_display_poster &&
!force_software_video_paint;
if (paint_with_foreign_layer) {
if (cc::Layer* layer = layout_video_.MediaElement()->CcLayer()) {
layer->SetBounds(snapped_replaced_rect.size());
layer->SetIsDrawable(true);
layer->SetHitTestable(true);
RecordForeignLayer(context, layout_video_,
DisplayItem::kForeignLayerVideo, layer,
snapped_replaced_rect.origin());
return;
}
}
const PhysicalRect visual_rect =
layout_video_.ClipsToContentBox() ? content_box_rect : replaced_rect;
DrawingRecorder recorder(context, layout_video_, paint_info.phase,
ToEnclosingRect(visual_rect));
if (should_display_poster || !force_software_video_paint) {
// This will display the poster image, if one is present, and otherwise
// paint nothing.
ImagePainter(layout_video_)
.PaintIntoRect(context, replaced_rect, visual_rect);
} else {
cc::PaintFlags video_flags = context.FillFlags();
video_flags.setColor(SK_ColorBLACK);
layout_video_.VideoElement()->PaintCurrentFrame(
context.Canvas(), snapped_replaced_rect, &video_flags);
}
}
} // namespace blink
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