/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=8 sts=2 et sw=2 tw=80: */ /* 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 nsScreen_h___ #define nsScreen_h___ #include "mozilla/Attributes.h" #include "mozilla/dom/ScreenOrientation.h" #include "mozilla/DOMEventTargetHelper.h" #include "mozilla/ErrorResult.h" #include "nsIDOMScreen.h" #include "nsCOMPtr.h" #include "nsRect.h" class nsDeviceContext; // Script "screen" object class nsScreen : public mozilla::DOMEventTargetHelper , public nsIDOMScreen { typedef mozilla::ErrorResult ErrorResult; public: static already_AddRefed<nsScreen> Create(nsPIDOMWindowInner* aWindow); NS_DECL_ISUPPORTS_INHERITED NS_DECL_NSIDOMSCREEN NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(nsScreen, mozilla::DOMEventTargetHelper) NS_REALLY_FORWARD_NSIDOMEVENTTARGET(mozilla::DOMEventTargetHelper) nsPIDOMWindowInner* GetParentObject() const { return GetOwner(); } nsPIDOMWindowOuter* GetOuter() const; int32_t GetTop(ErrorResult& aRv) { nsRect rect; aRv = GetRect(rect); return rect.y; } int32_t GetLeft(ErrorResult& aRv) { nsRect rect; aRv = GetRect(rect); return rect.x; } int32_t GetWidth(ErrorResult& aRv) { nsRect rect; if (IsDeviceSizePageSize()) { if (nsCOMPtr<nsPIDOMWindowInner> owner = GetOwner()) { int32_t innerWidth = 0; aRv = owner->GetInnerWidth(&innerWidth); return innerWidth; } } aRv = GetRect(rect); return rect.width; } int32_t GetHeight(ErrorResult& aRv) { nsRect rect; if (IsDeviceSizePageSize()) { if (nsCOMPtr<nsPIDOMWindowInner> owner = GetOwner()) { int32_t innerHeight = 0; aRv = owner->GetInnerHeight(&innerHeight); return innerHeight; } } aRv = GetRect(rect); return rect.height; } int32_t GetPixelDepth(ErrorResult& aRv); int32_t GetColorDepth(ErrorResult& aRv) { return GetPixelDepth(aRv); } int32_t GetAvailTop(ErrorResult& aRv) { nsRect rect; aRv = GetAvailRect(rect); return rect.y; } int32_t GetAvailLeft(ErrorResult& aRv) { nsRect rect; aRv = GetAvailRect(rect); return rect.x; } int32_t GetAvailWidth(ErrorResult& aRv) { nsRect rect; aRv = GetAvailRect(rect); return rect.width; } int32_t GetAvailHeight(ErrorResult& aRv) { nsRect rect; aRv = GetAvailRect(rect); return rect.height; } // Deprecated void GetMozOrientation(nsString& aOrientation) const; IMPL_EVENT_HANDLER(mozorientationchange) bool MozLockOrientation(const nsAString& aOrientation, ErrorResult& aRv); bool MozLockOrientation(const mozilla::dom::Sequence<nsString>& aOrientations, ErrorResult& aRv); void MozUnlockOrientation(); virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override; mozilla::dom::ScreenOrientation* Orientation() const; protected: nsDeviceContext* GetDeviceContext(); nsresult GetRect(nsRect& aRect); nsresult GetAvailRect(nsRect& aRect); nsresult GetWindowInnerRect(nsRect& aRect); private: explicit nsScreen(nsPIDOMWindowInner* aWindow); virtual ~nsScreen(); bool IsDeviceSizePageSize(); bool ShouldResistFingerprinting() const; RefPtr<mozilla::dom::ScreenOrientation> mScreenOrientation; }; #endif /* nsScreen_h___ */