mirror of
https://github.com/mozilla/gecko-dev.git
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d5af9d6e1e
... instead of relying on nsScreen being destroyed which was causing flaky behaviour on Firefox Android (based on GC) and was creating a race condition bug on Firefox OS.
152 lines
3.4 KiB
C++
152 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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/Attributes.h"
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#include "mozilla/dom/BindingUtils.h"
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#include "mozilla/dom/EventHandlerBinding.h"
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#include "mozilla/dom/ScreenOrientation.h"
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#include "mozilla/ErrorResult.h"
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#include "mozilla/Hal.h"
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#include "nsIDOMScreen.h"
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#include "nsISupports.h"
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#include "nsIScriptContext.h"
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#include "nsCOMPtr.h"
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#include "nsDOMEventTargetHelper.h"
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#include "nsRect.h"
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class nsIDocShell;
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class nsDeviceContext;
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// Script "screen" object
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class nsScreen : public nsDOMEventTargetHelper
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, public nsIDOMScreen
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, public mozilla::hal::ScreenConfigurationObserver
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{
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typedef mozilla::ErrorResult ErrorResult;
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public:
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static already_AddRefed<nsScreen> Create(nsPIDOMWindow* aWindow);
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_NSIDOMSCREEN
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NS_REALLY_FORWARD_NSIDOMEVENTTARGET(nsDOMEventTargetHelper)
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nsPIDOMWindow* GetParentObject() const
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{
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return GetOwner();
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}
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int32_t GetTop(ErrorResult& aRv)
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{
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nsRect rect;
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aRv = GetRect(rect);
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return rect.y;
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}
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int32_t GetLeft(ErrorResult& aRv)
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{
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nsRect rect;
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aRv = GetRect(rect);
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return rect.x;
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}
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int32_t GetWidth(ErrorResult& aRv)
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{
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nsRect rect;
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aRv = GetRect(rect);
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return rect.width;
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}
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int32_t GetHeight(ErrorResult& aRv)
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{
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nsRect rect;
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aRv = GetRect(rect);
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return rect.height;
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}
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int32_t GetPixelDepth(ErrorResult& aRv);
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int32_t GetColorDepth(ErrorResult& aRv)
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{
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return GetPixelDepth(aRv);
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}
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int32_t GetAvailTop(ErrorResult& aRv)
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{
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nsRect rect;
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aRv = GetAvailRect(rect);
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return rect.y;
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}
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int32_t GetAvailLeft(ErrorResult& aRv)
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{
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nsRect rect;
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aRv = GetAvailRect(rect);
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return rect.x;
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}
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int32_t GetAvailWidth(ErrorResult& aRv)
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{
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nsRect rect;
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aRv = GetAvailRect(rect);
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return rect.width;
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}
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int32_t GetAvailHeight(ErrorResult& aRv)
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{
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nsRect rect;
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aRv = GetAvailRect(rect);
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return rect.height;
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}
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void GetMozOrientation(nsString& aOrientation);
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IMPL_EVENT_HANDLER(mozorientationchange)
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bool MozLockOrientation(const nsAString& aOrientation, ErrorResult& aRv);
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bool MozLockOrientation(const mozilla::dom::Sequence<nsString>& aOrientations, ErrorResult& aRv);
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void MozUnlockOrientation();
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(nsScreen,
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nsDOMEventTargetHelper)
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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aScope) MOZ_OVERRIDE;
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void Notify(const mozilla::hal::ScreenConfiguration& aConfiguration);
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protected:
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nsDeviceContext* GetDeviceContext();
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nsresult GetRect(nsRect& aRect);
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nsresult GetAvailRect(nsRect& aRect);
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mozilla::dom::ScreenOrientation mOrientation;
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private:
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class FullScreenEventListener MOZ_FINAL : public nsIDOMEventListener
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{
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public:
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FullScreenEventListener() {};
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NS_DECL_ISUPPORTS
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NS_DECL_NSIDOMEVENTLISTENER
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};
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nsScreen();
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virtual ~nsScreen();
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enum LockPermission {
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LOCK_DENIED,
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FULLSCREEN_LOCK_ALLOWED,
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LOCK_ALLOWED
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};
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LockPermission GetLockOrientationPermission() const;
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nsRefPtr<FullScreenEventListener> mEventListener;
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};
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#endif /* nsScreen_h___ */
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