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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/ScreenBinding.h"
#include "mozilla/dom/ScreenLuminance.h"
#include "mozilla/dom/ScreenOrientation.h"
#include "mozilla/DOMEventTargetHelper.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/StaticPrefs_media.h"
#include "nsCOMPtr.h"
#include "nsGlobalWindowOuter.h"
#include "mozilla/gfx/Rect.h"
#include "Units.h"
class nsDeviceContext;
// Script "screen" object
class nsScreen : public mozilla::DOMEventTargetHelper {
using ErrorResult = mozilla::ErrorResult;
public:
static already_AddRefed<nsScreen> Create(nsPIDOMWindowInner* aWindow);
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(nsScreen,
mozilla::DOMEventTargetHelper)
nsPIDOMWindowInner* GetParentObject() const { return GetOwner(); }
nsPIDOMWindowOuter* GetOuter() const;
int32_t GetTop(ErrorResult& aRv) {
mozilla::CSSIntRect rect;
aRv = GetRect(rect);
return rect.y;
}
int32_t GetLeft(ErrorResult& aRv) {
mozilla::CSSIntRect rect;
aRv = GetRect(rect);
return rect.x;
}
int32_t GetWidth(ErrorResult& aRv) {
mozilla::CSSIntRect rect;
aRv = GetRect(rect);
return rect.Width();
}
int32_t GetHeight(ErrorResult& aRv) {
mozilla::CSSIntRect rect;
aRv = GetRect(rect);
return rect.Height();
}
int32_t GetPixelDepth(ErrorResult& aRv);
int32_t GetColorDepth(ErrorResult& aRv) { return GetPixelDepth(aRv); }
int32_t GetAvailTop(ErrorResult& aRv) {
mozilla::CSSIntRect rect;
aRv = GetAvailRect(rect);
return rect.y;
}
int32_t GetAvailLeft(ErrorResult& aRv) {
mozilla::CSSIntRect rect;
aRv = GetAvailRect(rect);
return rect.x;
}
int32_t GetAvailWidth(ErrorResult& aRv) {
mozilla::CSSIntRect rect;
aRv = GetAvailRect(rect);
return rect.Width();
}
int32_t GetAvailHeight(ErrorResult& aRv) {
mozilla::CSSIntRect rect;
aRv = GetAvailRect(rect);
return rect.Height();
}
// Media Capabilities extension
mozilla::dom::ScreenColorGamut ColorGamut() const {
return mozilla::dom::ScreenColorGamut::Srgb;
}
already_AddRefed<mozilla::dom::ScreenLuminance> GetLuminance() const {
return nullptr;
}
static bool MediaCapabilitiesEnabled(JSContext* aCx, JSObject* aGlobal) {
return mozilla::StaticPrefs::media_media_capabilities_screen_enabled();
}
IMPL_EVENT_HANDLER(change);
uint16_t GetOrientationAngle() const;
mozilla::hal::ScreenOrientation GetOrientationType() const;
// Deprecated
void GetMozOrientation(nsString& aOrientation,
mozilla::dom::CallerType aCallerType) 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;
mozilla::dom::ScreenOrientation* GetOrientationIfExists() const {
return mScreenOrientation.get();
}
protected:
nsDeviceContext* GetDeviceContext();
nsresult GetRect(mozilla::CSSIntRect& aRect);
nsresult GetAvailRect(mozilla::CSSIntRect& aRect);
nsresult GetWindowInnerRect(mozilla::CSSIntRect& aRect);
private:
explicit nsScreen(nsPIDOMWindowInner* aWindow);
virtual ~nsScreen();
bool ShouldResistFingerprinting() const;
mozilla::dom::Document* TopContentDocumentInRDMPane() const;
RefPtr<mozilla::dom::ScreenOrientation> mScreenOrientation;
};
#endif /* nsScreen_h___ */
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