The Tor Browser: layout/xul/nsStackFrame.h@8bccb770b82d

     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/. */

     6 /**

     8   Eric D Vaughan

     9   A frame that can have multiple children. Only one child may be displayed at one time. So the

    10   can be flipped though like a Stack of cards.

    12 **/

    14 #ifndef nsStackFrame_h___

    15 #define nsStackFrame_h___

    17 #include "mozilla/Attributes.h"

    18 #include "nsBoxFrame.h"

    20 class nsStackFrame : public nsBoxFrame

    21 {

    22 public:

    23   NS_DECL_FRAMEARENA_HELPERS

    25   friend nsIFrame* NS_NewStackFrame(nsIPresShell* aPresShell,

    26                                     nsStyleContext* aContext);

    28 #ifdef DEBUG_FRAME_DUMP

    29   virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE

    30   {

    31     return MakeFrameName(NS_LITERAL_STRING("Stack"), aResult);

    32   }

    33 #endif

    35   virtual void BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,

    36                                            const nsRect&           aDirtyRect,

    37                                            const nsDisplayListSet& aLists) MOZ_OVERRIDE;

    39 protected:

    40   nsStackFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);

    41 }; // class nsStackFrame

    45 #endif

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