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/* -*- 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/. */
#ifndef mozilla_dom_TextTrackRegion_h
#define mozilla_dom_TextTrackRegion_h
#include "nsCycleCollectionParticipant.h"
#include "nsString.h"
#include "nsWrapperCache.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/dom/TextTrack.h"
#include "mozilla/Preferences.h"
namespace mozilla {
namespace dom {
class GlobalObject;
class TextTrack;
class TextTrackRegion final : public nsISupports,
public nsWrapperCache
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(TextTrackRegion)
JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
nsISupports* GetParentObject() const
{
return mParent;
}
explicit TextTrackRegion(nsISupports* aGlobal);
/** WebIDL Methods. */
static already_AddRefed<TextTrackRegion>
Constructor(const GlobalObject& aGlobal, ErrorResult& aRv);
double Lines() const
{
return mLines;
}
void SetLines(double aLines)
{
mLines = aLines;
}
double Width() const
{
return mWidth;
}
void SetWidth(double aWidth, ErrorResult& aRv)
{
if (!InvalidValue(aWidth, aRv)) {
mWidth = aWidth;
}
}
double RegionAnchorX() const
{
return mRegionAnchorX;
}
void SetRegionAnchorX(double aVal, ErrorResult& aRv)
{
if (!InvalidValue(aVal, aRv)) {
mRegionAnchorX = aVal;
}
}
double RegionAnchorY() const
{
return mRegionAnchorY;
}
void SetRegionAnchorY(double aVal, ErrorResult& aRv)
{
if (!InvalidValue(aVal, aRv)) {
mRegionAnchorY = aVal;
}
}
double ViewportAnchorX() const
{
return mViewportAnchorX;
}
void SetViewportAnchorX(double aVal, ErrorResult& aRv)
{
if (!InvalidValue(aVal, aRv)) {
mViewportAnchorX = aVal;
}
}
double ViewportAnchorY() const
{
return mViewportAnchorY;
}
void SetViewportAnchorY(double aVal, ErrorResult& aRv)
{
if (!InvalidValue(aVal, aRv)) {
mViewportAnchorY = aVal;
}
}
void GetScroll(nsAString& aScroll) const
{
aScroll = mScroll;
}
void SetScroll(const nsAString& aScroll, ErrorResult& aRv)
{
if (!aScroll.EqualsLiteral("") && !aScroll.EqualsLiteral("up")) {
aRv.Throw(NS_ERROR_DOM_SYNTAX_ERR);
return;
}
mScroll = aScroll;
}
/** end WebIDL Methods. */
// Helper to aid copying of a given TextTrackRegion's width, lines,
// anchor, viewport and scroll values.
void CopyValues(TextTrackRegion& aRegion);
// -----helpers-------
const nsAString& Scroll() const
{
return mScroll;
}
private:
~TextTrackRegion() {}
nsCOMPtr<nsISupports> mParent;
double mWidth;
long mLines;
double mRegionAnchorX;
double mRegionAnchorY;
double mViewportAnchorX;
double mViewportAnchorY;
nsString mScroll;
// Helper to ensure new value is in the range: 0.0% - 100.0%; throws
// an IndexSizeError otherwise.
inline bool InvalidValue(double aValue, ErrorResult& aRv)
{
if(aValue < 0.0 || aValue > 100.0) {
aRv.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
return true;
}
return false;
}
};
} //namespace dom
} //namespace mozilla
#endif //mozilla_dom_TextTrackRegion_h
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