The Tor Browser: layout/xul/nsBoxObject.h@7e26c7da4463

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 #ifndef nsBoxObject_h_

     6 #define nsBoxObject_h_

     8 #include "mozilla/Attributes.h"

     9 #include "nsCOMPtr.h"

    10 #include "nsIBoxObject.h"

    11 #include "nsPIBoxObject.h"

    12 #include "nsPoint.h"

    13 #include "nsAutoPtr.h"

    14 #include "nsHashKeys.h"

    15 #include "nsInterfaceHashtable.h"

    16 #include "nsCycleCollectionParticipant.h"

    18 class nsIFrame;

    19 class nsIDocShell;

    20 struct nsIntRect;

    21 class nsIPresShell;

    23 class nsBoxObject : public nsPIBoxObject

    24 {

    25   NS_DECL_CYCLE_COLLECTING_ISUPPORTS

    26   NS_DECL_CYCLE_COLLECTION_CLASS(nsBoxObject)

    27   NS_DECL_NSIBOXOBJECT

    29 public:

    30   nsBoxObject();

    31   virtual ~nsBoxObject();

    33   // nsPIBoxObject

    34   virtual nsresult Init(nsIContent* aContent) MOZ_OVERRIDE;

    35   virtual void Clear() MOZ_OVERRIDE;

    36   virtual void ClearCachedValues() MOZ_OVERRIDE;

    38   nsIFrame* GetFrame(bool aFlushLayout);

    39   nsIPresShell* GetPresShell(bool aFlushLayout);

    40   nsresult GetOffsetRect(nsIntRect& aRect);

    41   nsresult GetScreenPosition(nsIntPoint& aPoint);

    43   // Given a parent frame and a child frame, find the frame whose

    44   // next sibling is the given child frame and return its element

    45   static nsresult GetPreviousSibling(nsIFrame* aParentFrame, nsIFrame* aFrame,

    46                                      nsIDOMElement** aResult);

    48 protected:

    50   nsAutoPtr<nsInterfaceHashtable<nsStringHashKey,nsISupports> > mPropertyTable; //[OWNER]

    52   nsIContent* mContent; // [WEAK]

    53 };

    55 #endif

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