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44ec0247df
The screen lifetime seems like it was a lot more complicated in the past (looking at the comments in Window.webidl). But nowadays it seems it can be more similar to the other objects like VisualViewport etc. Differential Revision: https://phabricator.services.mozilla.com/D193212
104 lines
3.2 KiB
C++
104 lines
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsScreen_h___
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#define nsScreen_h___
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#include "mozilla/dom/ScreenBinding.h"
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#include "mozilla/dom/ScreenLuminance.h"
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#include "mozilla/dom/ScreenOrientation.h"
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#include "mozilla/DOMEventTargetHelper.h"
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#include "mozilla/StaticPrefs_media.h"
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#include "Units.h"
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class nsDeviceContext;
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namespace mozilla {
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enum class RFPTarget : uint64_t;
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}
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// Script "screen" object
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class nsScreen : public mozilla::DOMEventTargetHelper {
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public:
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explicit nsScreen(nsPIDOMWindowInner* aWindow);
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(nsScreen,
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mozilla::DOMEventTargetHelper)
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nsPIDOMWindowInner* GetParentObject() const { return GetOwner(); }
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nsPIDOMWindowOuter* GetOuter() const;
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int32_t Top() { return GetRect().y; }
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int32_t Left() { return GetRect().x; }
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int32_t Width() { return GetRect().Width(); }
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int32_t Height() { return GetRect().Height(); }
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int32_t AvailTop() { return GetAvailRect().y; }
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int32_t AvailLeft() { return GetAvailRect().x; }
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int32_t AvailWidth() { return GetAvailRect().Width(); }
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int32_t AvailHeight() { return GetAvailRect().Height(); }
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int32_t PixelDepth();
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int32_t ColorDepth() { return PixelDepth(); }
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// Media Capabilities extension
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mozilla::dom::ScreenColorGamut ColorGamut() const {
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return mozilla::dom::ScreenColorGamut::Srgb;
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}
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already_AddRefed<mozilla::dom::ScreenLuminance> GetLuminance() const {
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return nullptr;
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}
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static bool MediaCapabilitiesEnabled(JSContext* aCx, JSObject* aGlobal) {
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return mozilla::StaticPrefs::media_media_capabilities_screen_enabled();
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}
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IMPL_EVENT_HANDLER(change);
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uint16_t GetOrientationAngle() const;
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mozilla::hal::ScreenOrientation GetOrientationType() const;
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// Deprecated
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void GetMozOrientation(nsString& aOrientation,
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mozilla::dom::CallerType aCallerType) const;
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IMPL_EVENT_HANDLER(mozorientationchange)
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// This function is deprecated, use ScreenOrientation API instead.
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bool MozLockOrientation(const nsAString&) { return false; };
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bool MozLockOrientation(const mozilla::dom::Sequence<nsString>&) {
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return false;
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}
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void MozUnlockOrientation() {}
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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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mozilla::dom::ScreenOrientation* Orientation() const;
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mozilla::dom::ScreenOrientation* GetOrientationIfExists() const {
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return mScreenOrientation.get();
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}
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protected:
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nsDeviceContext* GetDeviceContext() const;
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mozilla::CSSIntRect GetRect();
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mozilla::CSSIntRect GetAvailRect();
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mozilla::CSSIntRect GetWindowInnerRect();
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private:
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virtual ~nsScreen();
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bool ShouldResistFingerprinting(mozilla::RFPTarget aTarget) const;
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mozilla::dom::Document* TopContentDocumentInRDMPane() const;
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RefPtr<mozilla::dom::ScreenOrientation> mScreenOrientation;
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};
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#endif /* nsScreen_h___ */
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