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-rw-r--r--dom/base/nsScreen.h143
1 files changed, 143 insertions, 0 deletions
diff --git a/dom/base/nsScreen.h b/dom/base/nsScreen.h
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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() const;
+ 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___ */