gecko-dev/dom/base/nsScreen.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2012-05-21 11:12:37 +00:00
/* 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/dom/ScreenOrientation.h"
#include "mozilla/Hal.h"
#include "nsIDOMScreen.h"
#include "nsISupports.h"
#include "nsIScriptContext.h"
#include "nsCOMPtr.h"
#include "nsDOMEventTargetHelper.h"
#include "mozilla/Attributes.h"
class nsIDocShell;
class nsDeviceContext;
struct nsRect;
// Script "screen" object
class nsScreen : public nsDOMEventTargetHelper
, public nsIDOMScreen
, public mozilla::hal::ScreenConfigurationObserver
{
public:
static already_AddRefed<nsScreen> Create(nsPIDOMWindow* aWindow);
void Invalidate();
NS_DECL_ISUPPORTS
NS_DECL_NSIDOMSCREEN
NS_FORWARD_NSIDOMEVENTTARGET(nsDOMEventTargetHelper::)
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(nsScreen,
nsDOMEventTargetHelper)
void Notify(const mozilla::hal::ScreenConfiguration& aConfiguration);
protected:
nsDeviceContext* GetDeviceContext();
nsresult GetRect(nsRect& aRect);
nsresult GetAvailRect(nsRect& aRect);
mozilla::dom::ScreenOrientation mOrientation;
private:
class FullScreenEventListener MOZ_FINAL : public nsIDOMEventListener
{
public:
FullScreenEventListener() {};
NS_DECL_ISUPPORTS
NS_DECL_NSIDOMEVENTLISTENER
};
nsScreen();
virtual ~nsScreen();
nsRefPtr<FullScreenEventListener> mEventListener;
NS_DECL_EVENT_HANDLER(mozorientationchange)
};
#endif /* nsScreen_h___ */