ui/ozone/platform/cast/overlay_manager_cast.cc

   1 // Copyright 2015 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 "ui/ozone/platform/cast/overlay_manager_cast.h"
   6
   7 #include "chromecast/public/cast_media_shlib.h"
   8 #include "chromecast/public/graphics_types.h"
   9 #include "chromecast/public/video_plane.h"
  10 #include "ui/gfx/geometry/rect_conversions.h"
  11 #include "ui/ozone/public/overlay_candidates_ozone.h"
  12
  13 namespace ui {
  14 namespace {
  15
  16 // Translates a gfx::OverlayTransform into a VideoPlane::Transform.
  17 // Could be just a lookup table once we have unit tests for this code
  18 // to ensure it stays in sync with OverlayTransform.
  19 chromecast::media::VideoPlane::Transform ConvertTransform(
  20     gfx::OverlayTransform transform) {
  21   switch (transform) {
  22     case gfx::OVERLAY_TRANSFORM_NONE:
  23       return chromecast::media::VideoPlane::TRANSFORM_NONE;
  24     case gfx::OVERLAY_TRANSFORM_FLIP_HORIZONTAL:
  25       return chromecast::media::VideoPlane::FLIP_HORIZONTAL;
  26     case gfx::OVERLAY_TRANSFORM_FLIP_VERTICAL:
  27       return chromecast::media::VideoPlane::FLIP_VERTICAL;
  28     case gfx::OVERLAY_TRANSFORM_ROTATE_90:
  29       return chromecast::media::VideoPlane::ROTATE_90;
  30     case gfx::OVERLAY_TRANSFORM_ROTATE_180:
  31       return chromecast::media::VideoPlane::ROTATE_180;
  32     case gfx::OVERLAY_TRANSFORM_ROTATE_270:
  33       return chromecast::media::VideoPlane::ROTATE_270;
  34     default:
  35       NOTREACHED();
  36       return chromecast::media::VideoPlane::TRANSFORM_NONE;
  37   }
  38 }
  39
  40 class OverlayCandidatesCast : public OverlayCandidatesOzone {
  41  public:
  42   void CheckOverlaySupport(OverlaySurfaceCandidateList* surfaces) override {
  43     for (auto& candidate : *surfaces) {
  44       if (candidate.plane_z_order == -1) {
  45         candidate.overlay_handled = true;
  46
  47         // Compositor requires all overlay rectangles to have integer coords
  48         candidate.display_rect = gfx::ToEnclosedRect(candidate.display_rect);
  49
  50         chromecast::media::VideoPlane* video_plane =
  51             chromecast::media::CastMediaShlib::GetVideoPlane();
  52
  53         chromecast::RectF display_rect(
  54             candidate.display_rect.x(), candidate.display_rect.y(),
  55             candidate.display_rect.width(), candidate.display_rect.height());
  56         video_plane->SetGeometry(
  57             display_rect,
  58             chromecast::media::VideoPlane::COORDINATE_TYPE_GRAPHICS_PLANE,
  59             ConvertTransform(candidate.transform));
  60         return;
  61       }
  62     }
  63   }
  64 };
  65
  66 }  // namespace
  67
  68 OverlayManagerCast::OverlayManagerCast() {
  69 }
  70
  71 OverlayManagerCast::~OverlayManagerCast() {
  72 }
  73
  74 scoped_ptr<OverlayCandidatesOzone> OverlayManagerCast::CreateOverlayCandidates(
  75     gfx::AcceleratedWidget w) {
  76   return make_scoped_ptr(new OverlayCandidatesCast());
  77 }
  78
  79 bool OverlayManagerCast::CanShowPrimaryPlaneAsOverlay() {
  80   return false;
  81 }
  82
  83 }  // namespace ui