michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: #ifndef nsScreen_h___
michael@0: #define nsScreen_h___
michael@0: 
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "mozilla/dom/ScreenOrientation.h"
michael@0: #include "mozilla/DOMEventTargetHelper.h"
michael@0: #include "mozilla/ErrorResult.h"
michael@0: #include "mozilla/HalScreenConfiguration.h"
michael@0: #include "nsIDOMScreen.h"
michael@0: #include "nsCOMPtr.h"
michael@0: #include "nsRect.h"
michael@0: 
michael@0: class nsDeviceContext;
michael@0: 
michael@0: // Script "screen" object
michael@0: class nsScreen : public mozilla::DOMEventTargetHelper
michael@0:                , public nsIDOMScreen
michael@0:                , public mozilla::hal::ScreenConfigurationObserver
michael@0: {
michael@0:   typedef mozilla::ErrorResult ErrorResult;
michael@0: public:
michael@0:   static already_AddRefed<nsScreen> Create(nsPIDOMWindow* aWindow);
michael@0: 
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0:   NS_DECL_NSIDOMSCREEN
michael@0:   NS_REALLY_FORWARD_NSIDOMEVENTTARGET(mozilla::DOMEventTargetHelper)
michael@0: 
michael@0:   nsPIDOMWindow* GetParentObject() const
michael@0:   {
michael@0:     return GetOwner();
michael@0:   }
michael@0: 
michael@0:   int32_t GetTop(ErrorResult& aRv)
michael@0:   {
michael@0:     nsRect rect;
michael@0:     aRv = GetRect(rect);
michael@0:     return rect.y;
michael@0:   }
michael@0: 
michael@0:   int32_t GetLeft(ErrorResult& aRv)
michael@0:   {
michael@0:     nsRect rect;
michael@0:     aRv = GetRect(rect);
michael@0:     return rect.x;
michael@0:   }
michael@0: 
michael@0:   int32_t GetWidth(ErrorResult& aRv)
michael@0:   {
michael@0:     nsRect rect;
michael@0:     if (IsDeviceSizePageSize()) {
michael@0:       nsCOMPtr<nsPIDOMWindow> owner = GetOwner();
michael@0:       if (owner) {
michael@0:         int32_t innerWidth = 0;
michael@0:         aRv = owner->GetInnerWidth(&innerWidth);
michael@0:         return innerWidth;
michael@0:       }
michael@0:     }
michael@0: 
michael@0:     aRv = GetRect(rect);
michael@0:     return rect.width;
michael@0:   }
michael@0: 
michael@0:   int32_t GetHeight(ErrorResult& aRv)
michael@0:   {
michael@0:     nsRect rect;
michael@0:     if (IsDeviceSizePageSize()) {
michael@0:       nsCOMPtr<nsPIDOMWindow> owner = GetOwner();
michael@0:       if (owner) {
michael@0:         int32_t innerHeight = 0;
michael@0:         aRv = owner->GetInnerHeight(&innerHeight);
michael@0:         return innerHeight;
michael@0:       }
michael@0:     }
michael@0: 
michael@0:     aRv = GetRect(rect);
michael@0:     return rect.height;
michael@0:   }
michael@0: 
michael@0:   int32_t GetPixelDepth(ErrorResult& aRv);
michael@0:   int32_t GetColorDepth(ErrorResult& aRv)
michael@0:   {
michael@0:     return GetPixelDepth(aRv);
michael@0:   }
michael@0: 
michael@0:   int32_t GetAvailTop(ErrorResult& aRv)
michael@0:   {
michael@0:     nsRect rect;
michael@0:     aRv = GetAvailRect(rect);
michael@0:     return rect.y;
michael@0:   }
michael@0: 
michael@0:   int32_t GetAvailLeft(ErrorResult& aRv)
michael@0:   {
michael@0:     nsRect rect;
michael@0:     aRv = GetAvailRect(rect);
michael@0:     return rect.x;
michael@0:   }
michael@0: 
michael@0:   int32_t GetAvailWidth(ErrorResult& aRv)
michael@0:   {
michael@0:     nsRect rect;
michael@0:     aRv = GetAvailRect(rect);
michael@0:     return rect.width;
michael@0:   }
michael@0: 
michael@0:   int32_t GetAvailHeight(ErrorResult& aRv)
michael@0:   {
michael@0:     nsRect rect;
michael@0:     aRv = GetAvailRect(rect);
michael@0:     return rect.height;
michael@0:   }
michael@0: 
michael@0:   void GetMozOrientation(nsString& aOrientation);
michael@0: 
michael@0:   IMPL_EVENT_HANDLER(mozorientationchange)
michael@0: 
michael@0:   bool MozLockOrientation(const nsAString& aOrientation, ErrorResult& aRv);
michael@0:   bool MozLockOrientation(const mozilla::dom::Sequence<nsString>& aOrientations, ErrorResult& aRv);
michael@0:   void MozUnlockOrientation();
michael@0: 
michael@0:   virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
michael@0: 
michael@0:   void Notify(const mozilla::hal::ScreenConfiguration& aConfiguration);
michael@0: 
michael@0: protected:
michael@0:   nsDeviceContext* GetDeviceContext();
michael@0:   nsresult GetRect(nsRect& aRect);
michael@0:   nsresult GetAvailRect(nsRect& aRect);
michael@0:   bool IsChrome();
michael@0:   nsresult GetDOMWindow(nsIDOMWindow **aResult);
michael@0:   nsresult GetWindowInnerRect(nsRect& aRect);
michael@0: 
michael@0:   mozilla::dom::ScreenOrientation mOrientation;
michael@0: 
michael@0: private:
michael@0:   class FullScreenEventListener MOZ_FINAL : public nsIDOMEventListener
michael@0:   {
michael@0:   public:
michael@0:     FullScreenEventListener() {};
michael@0: 
michael@0:     NS_DECL_ISUPPORTS
michael@0:     NS_DECL_NSIDOMEVENTLISTENER
michael@0:   };
michael@0: 
michael@0:   nsScreen(nsPIDOMWindow* aWindow);
michael@0:   virtual ~nsScreen();
michael@0: 
michael@0:   enum LockPermission {
michael@0:     LOCK_DENIED,
michael@0:     FULLSCREEN_LOCK_ALLOWED,
michael@0:     LOCK_ALLOWED
michael@0:   };
michael@0: 
michael@0:   LockPermission GetLockOrientationPermission() const;
michael@0: 
michael@0:   bool IsDeviceSizePageSize();
michael@0: 
michael@0:   nsRefPtr<FullScreenEventListener> mEventListener;
michael@0: };
michael@0: 
michael@0: #endif /* nsScreen_h___ */