layout/base/nsPresState.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/layout/base/nsPresState.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,90 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +/*
    1.10 + * a piece of state that is stored in session history when the document
    1.11 + * is not
    1.12 + */
    1.13 +
    1.14 +#ifndef nsPresState_h_
    1.15 +#define nsPresState_h_
    1.16 +
    1.17 +#include "nsPoint.h"
    1.18 +#include "gfxPoint.h"
    1.19 +#include "nsAutoPtr.h"
    1.20 +
    1.21 +class nsPresState
    1.22 +{
    1.23 +public:
    1.24 +  nsPresState()
    1.25 +    : mContentData(nullptr)
    1.26 +    , mScrollState(0, 0)
    1.27 +    , mResolution(1.0, 1.0)
    1.28 +    , mDisabledSet(false)
    1.29 +    , mDisabled(false)
    1.30 +  {}
    1.31 +
    1.32 +  void SetScrollState(const nsPoint& aState)
    1.33 +  {
    1.34 +    mScrollState = aState;
    1.35 +  }
    1.36 +
    1.37 +  nsPoint GetScrollState() const
    1.38 +  {
    1.39 +    return mScrollState;
    1.40 +  }
    1.41 +
    1.42 +  void SetResolution(const gfxSize& aSize)
    1.43 +  {
    1.44 +    mResolution = aSize;
    1.45 +  }
    1.46 +
    1.47 +  gfxSize GetResolution() const
    1.48 +  {
    1.49 +    return mResolution;
    1.50 +  }
    1.51 +
    1.52 +  void ClearNonScrollState()
    1.53 +  {
    1.54 +    mContentData = nullptr;
    1.55 +    mDisabledSet = false;
    1.56 +  }
    1.57 +
    1.58 +  bool GetDisabled() const
    1.59 +  {
    1.60 +    return mDisabled;
    1.61 +  }
    1.62 +
    1.63 +  void SetDisabled(bool aDisabled)
    1.64 +  {
    1.65 +    mDisabled = aDisabled;
    1.66 +    mDisabledSet = true;
    1.67 +  }
    1.68 +
    1.69 +  bool IsDisabledSet() const
    1.70 +  {
    1.71 +    return mDisabledSet;
    1.72 +  }
    1.73 +
    1.74 +  nsISupports* GetStateProperty() const
    1.75 +  {
    1.76 +    return mContentData;
    1.77 +  }
    1.78 +
    1.79 +  void SetStateProperty(nsISupports *aProperty)
    1.80 +  {
    1.81 +    mContentData = aProperty;
    1.82 +  }
    1.83 +
    1.84 +// MEMBER VARIABLES
    1.85 +protected:
    1.86 +  nsCOMPtr<nsISupports> mContentData;
    1.87 +  nsPoint mScrollState;
    1.88 +  gfxSize mResolution;
    1.89 +  bool mDisabledSet;
    1.90 +  bool mDisabled;
    1.91 +};
    1.92 +
    1.93 +#endif /* nsPresState_h_ */

mercurial