gecko-dev/layout/base/nsPresState.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/. */
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/*
* a piece of state that is stored in session history when the document
* is not
*/
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#ifndef nsPresState_h_
#define nsPresState_h_
#include "nsPoint.h"
#include "gfxPoint.h"
#include "nsAutoPtr.h"
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class nsPresState
{
public:
nsPresState()
: mContentData(nullptr)
, mScrollState(0, 0)
, mResolution(1.0, 1.0)
, mDisabledSet(false)
, mDisabled(false)
{}
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void SetScrollState(const nsPoint& aState)
{
mScrollState = aState;
}
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nsPoint GetScrollState() const
{
return mScrollState;
}
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void SetResolution(const gfxSize& aSize)
{
mResolution = aSize;
}
gfxSize GetResolution() const
{
return mResolution;
}
void ClearNonScrollState()
{
mContentData = nullptr;
mDisabledSet = false;
}
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bool GetDisabled() const
{
return mDisabled;
}
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void SetDisabled(bool aDisabled)
{
mDisabled = aDisabled;
mDisabledSet = true;
}
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bool IsDisabledSet() const
{
return mDisabledSet;
}
nsISupports* GetStateProperty() const
{
return mContentData;
}
void SetStateProperty(nsISupports *aProperty)
{
mContentData = aProperty;
}
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// MEMBER VARIABLES
protected:
nsCOMPtr<nsISupports> mContentData;
nsPoint mScrollState;
gfxSize mResolution;
bool mDisabledSet;
bool mDisabled;
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};
#endif /* nsPresState_h_ */