dom/media/webvtt/TextTrackRegion.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim:set ts=2 sw=2 et tw=78: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "mozilla/dom/TextTrackRegion.h"
   8
   9 namespace mozilla::dom {
  10
  11 NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(TextTrackRegion, mParent)
  12 NS_IMPL_CYCLE_COLLECTING_ADDREF(TextTrackRegion)
  13 NS_IMPL_CYCLE_COLLECTING_RELEASE(TextTrackRegion)
  14 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TextTrackRegion)
  15   NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
  16   NS_INTERFACE_MAP_ENTRY(nsISupports)
  17 NS_INTERFACE_MAP_END
  18
  19 JSObject* TextTrackRegion::WrapObject(JSContext* aCx,
  20                                       JS::Handle<JSObject*> aGivenProto) {
  21   return VTTRegion_Binding::Wrap(aCx, this, aGivenProto);
  22 }
  23
  24 already_AddRefed<TextTrackRegion> TextTrackRegion::Constructor(
  25     const GlobalObject& aGlobal, ErrorResult& aRv) {
  26   nsCOMPtr<nsPIDOMWindowInner> window =
  27       do_QueryInterface(aGlobal.GetAsSupports());
  28   if (!window) {
  29     aRv.Throw(NS_ERROR_FAILURE);
  30     return nullptr;
  31   }
  32
  33   RefPtr<TextTrackRegion> region = new TextTrackRegion(aGlobal.GetAsSupports());
  34   return region.forget();
  35 }
  36
  37 TextTrackRegion::TextTrackRegion(nsISupports* aGlobal)
  38     : mParent(aGlobal),
  39       mWidth(100),
  40       mLines(3),
  41       mRegionAnchorX(0),
  42       mRegionAnchorY(100),
  43       mViewportAnchorX(0),
  44       mViewportAnchorY(100),
  45       mScroll(ScrollSetting::_empty) {}
  46
  47 void TextTrackRegion::CopyValues(TextTrackRegion& aRegion) {
  48   mId = aRegion.Id();
  49   mWidth = aRegion.Width();
  50   mLines = aRegion.Lines();
  51   mRegionAnchorX = aRegion.RegionAnchorX();
  52   mRegionAnchorY = aRegion.RegionAnchorY();
  53   mViewportAnchorX = aRegion.ViewportAnchorX();
  54   mViewportAnchorY = aRegion.ViewportAnchorY();
  55   mScroll = aRegion.Scroll();
  56 }
  57
  58 }  // namespace mozilla::dom