зеркало из https://github.com/mozilla/gecko-dev.git
127 строки
2.3 KiB
C++
127 строки
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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* a piece of state that is stored in session history when the document
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* is not
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*/
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#ifndef nsPresState_h_
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#define nsPresState_h_
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#include "nsPoint.h"
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#include "gfxPoint.h"
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#include "nsAutoPtr.h"
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class nsPresState
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{
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public:
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nsPresState()
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: mContentData(nullptr)
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, mScrollState(0, 0)
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, mAllowScrollOriginDowngrade(true)
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, mResolution(1.0)
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, mScaleToResolution(false)
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, mDisabledSet(false)
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, mDisabled(false)
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, mDroppedDown(false)
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{}
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void SetScrollState(const nsPoint& aState)
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{
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mScrollState = aState;
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}
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nsPoint GetScrollPosition() const
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{
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return mScrollState;
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}
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void SetAllowScrollOriginDowngrade(bool aAllowScrollOriginDowngrade)
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{
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mAllowScrollOriginDowngrade = aAllowScrollOriginDowngrade;
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}
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bool GetAllowScrollOriginDowngrade()
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{
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return mAllowScrollOriginDowngrade;
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}
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void SetResolution(float aSize)
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{
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mResolution = aSize;
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}
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float GetResolution() const
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{
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return mResolution;
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}
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void SetScaleToResolution(bool aScaleToResolution)
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{
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mScaleToResolution = aScaleToResolution;
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}
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bool GetScaleToResolution() const
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{
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return mScaleToResolution;
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}
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void ClearNonScrollState()
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{
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mContentData = nullptr;
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mDisabledSet = false;
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}
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bool GetDisabled() const
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{
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return mDisabled;
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}
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void SetDisabled(bool aDisabled)
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{
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mDisabled = aDisabled;
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mDisabledSet = true;
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}
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bool IsDisabledSet() const
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{
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return mDisabledSet;
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}
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nsISupports* GetStateProperty() const
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{
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return mContentData;
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}
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void SetStateProperty(nsISupports *aProperty)
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{
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mContentData = aProperty;
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}
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void SetDroppedDown(bool aDroppedDown)
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{
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mDroppedDown = aDroppedDown;
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}
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bool GetDroppedDown() const
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{
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return mDroppedDown;
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}
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// MEMBER VARIABLES
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protected:
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nsCOMPtr<nsISupports> mContentData;
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nsPoint mScrollState;
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bool mAllowScrollOriginDowngrade;
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float mResolution;
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bool mScaleToResolution;
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bool mDisabledSet;
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bool mDisabled;
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bool mDroppedDown;
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};
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#endif /* nsPresState_h_ */
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