gecko/dom/base/nsScreen.h

97 lines
3.1 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsScreen_h___
#define nsScreen_h___
#include "mozilla/Hal.h"
#include "nsIDOMScreen.h"
#include "nsISupports.h"
#include "nsIScriptContext.h"
#include "nsCOMPtr.h"
#include "mozilla/dom/ScreenOrientation.h"
#include "nsDOMEventTargetHelper.h"
#include "mozilla/Observer.h"
class nsIDocShell;
class nsDeviceContext;
struct nsRect;
// Script "screen" object
class nsScreen : public nsDOMEventTargetHelper
, public nsIDOMScreen
, public mozilla::hal::ScreenOrientationObserver
{
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::dom::ScreenOrientationWrapper& aOrientation);
protected:
nsDeviceContext* GetDeviceContext();
nsresult GetRect(nsRect& aRect);
nsresult GetAvailRect(nsRect& aRect);
bool mIsChrome;
mozilla::dom::ScreenOrientation mOrientation;
private:
nsScreen();
virtual ~nsScreen();
static bool sInitialized;
static bool sAllowScreenEnabledProperty;
static bool sAllowScreenBrightnessProperty;
static void Initialize();
bool IsWhiteListed();
NS_DECL_EVENT_HANDLER(mozorientationchange)
};
#endif /* nsScreen_h___ */