gecko-dev/dom/media/TextTrackRegion.cpp

66 строки
1.8 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 et tw=78: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/TextTrackRegion.h"
#include "mozilla/dom/VTTRegionBinding.h"
namespace mozilla {
namespace dom {
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(TextTrackRegion, mParent)
NS_IMPL_CYCLE_COLLECTING_ADDREF(TextTrackRegion)
NS_IMPL_CYCLE_COLLECTING_RELEASE(TextTrackRegion)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TextTrackRegion)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
JSObject*
TextTrackRegion::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return VTTRegionBinding::Wrap(aCx, this, aGivenProto);
}
already_AddRefed<TextTrackRegion>
TextTrackRegion::Constructor(const GlobalObject& aGlobal, ErrorResult& aRv)
{
nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(aGlobal.GetAsSupports());
if (!window) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
RefPtr<TextTrackRegion> region = new TextTrackRegion(aGlobal.GetAsSupports());
return region.forget();
}
TextTrackRegion::TextTrackRegion(nsISupports* aGlobal)
: mParent(aGlobal)
, mWidth(100)
, mLines(3)
, mRegionAnchorX(0)
, mRegionAnchorY(100)
, mViewportAnchorX(0)
, mViewportAnchorY(100)
{
}
void
TextTrackRegion::CopyValues(TextTrackRegion& aRegion)
{
mWidth = aRegion.Width();
mLines = aRegion.Lines();
mRegionAnchorX = aRegion.RegionAnchorX();
mRegionAnchorY = aRegion.RegionAnchorY();
mViewportAnchorX = aRegion.ViewportAnchorX();
mViewportAnchorY = aRegion.ViewportAnchorY();
mScroll = aRegion.Scroll();
}
} //namespace dom
} //namespace mozilla