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/* -*- 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___ */
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