/* -*- 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