michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /*
michael@0:  * a piece of state that is stored in session history when the document
michael@0:  * is not
michael@0:  */
michael@0: 
michael@0: #ifndef nsPresState_h_
michael@0: #define nsPresState_h_
michael@0: 
michael@0: #include "nsPoint.h"
michael@0: #include "gfxPoint.h"
michael@0: #include "nsAutoPtr.h"
michael@0: 
michael@0: class nsPresState
michael@0: {
michael@0: public:
michael@0:   nsPresState()
michael@0:     : mContentData(nullptr)
michael@0:     , mScrollState(0, 0)
michael@0:     , mResolution(1.0, 1.0)
michael@0:     , mDisabledSet(false)
michael@0:     , mDisabled(false)
michael@0:   {}
michael@0: 
michael@0:   void SetScrollState(const nsPoint& aState)
michael@0:   {
michael@0:     mScrollState = aState;
michael@0:   }
michael@0: 
michael@0:   nsPoint GetScrollState() const
michael@0:   {
michael@0:     return mScrollState;
michael@0:   }
michael@0: 
michael@0:   void SetResolution(const gfxSize& aSize)
michael@0:   {
michael@0:     mResolution = aSize;
michael@0:   }
michael@0: 
michael@0:   gfxSize GetResolution() const
michael@0:   {
michael@0:     return mResolution;
michael@0:   }
michael@0: 
michael@0:   void ClearNonScrollState()
michael@0:   {
michael@0:     mContentData = nullptr;
michael@0:     mDisabledSet = false;
michael@0:   }
michael@0: 
michael@0:   bool GetDisabled() const
michael@0:   {
michael@0:     return mDisabled;
michael@0:   }
michael@0: 
michael@0:   void SetDisabled(bool aDisabled)
michael@0:   {
michael@0:     mDisabled = aDisabled;
michael@0:     mDisabledSet = true;
michael@0:   }
michael@0: 
michael@0:   bool IsDisabledSet() const
michael@0:   {
michael@0:     return mDisabledSet;
michael@0:   }
michael@0: 
michael@0:   nsISupports* GetStateProperty() const
michael@0:   {
michael@0:     return mContentData;
michael@0:   }
michael@0: 
michael@0:   void SetStateProperty(nsISupports *aProperty)
michael@0:   {
michael@0:     mContentData = aProperty;
michael@0:   }
michael@0: 
michael@0: // MEMBER VARIABLES
michael@0: protected:
michael@0:   nsCOMPtr<nsISupports> mContentData;
michael@0:   nsPoint mScrollState;
michael@0:   gfxSize mResolution;
michael@0:   bool mDisabledSet;
michael@0:   bool mDisabled;
michael@0: };
michael@0: 
michael@0: #endif /* nsPresState_h_ */