From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 layout/base/nsPresState.h | 126 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 126 insertions(+)
 create mode 100644 layout/base/nsPresState.h

(limited to 'layout/base/nsPresState.h')

diff --git a/layout/base/nsPresState.h b/layout/base/nsPresState.h
new file mode 100644
index 0000000000..ced3eae76f
--- /dev/null
+++ b/layout/base/nsPresState.h
@@ -0,0 +1,126 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/. */
+
+/*
+ * a piece of state that is stored in session history when the document
+ * is not
+ */
+
+#ifndef nsPresState_h_
+#define nsPresState_h_
+
+#include "nsPoint.h"
+#include "gfxPoint.h"
+#include "nsAutoPtr.h"
+
+class nsPresState
+{
+public:
+  nsPresState()
+    : mContentData(nullptr)
+    , mScrollState(0, 0)
+    , mAllowScrollOriginDowngrade(true)
+    , mResolution(1.0)
+    , mScaleToResolution(false)
+    , mDisabledSet(false)
+    , mDisabled(false)
+    , mDroppedDown(false)
+  {}
+
+  void SetScrollState(const nsPoint& aState)
+  {
+    mScrollState = aState;
+  }
+
+  nsPoint GetScrollPosition() const
+  {
+    return mScrollState;
+  }
+
+  void SetAllowScrollOriginDowngrade(bool aAllowScrollOriginDowngrade)
+  {
+    mAllowScrollOriginDowngrade = aAllowScrollOriginDowngrade;
+  }
+
+  bool GetAllowScrollOriginDowngrade()
+  {
+    return mAllowScrollOriginDowngrade;
+  }
+
+  void SetResolution(float aSize)
+  {
+    mResolution = aSize;
+  }
+
+  float GetResolution() const
+  {
+    return mResolution;
+  }
+
+  void SetScaleToResolution(bool aScaleToResolution)
+  {
+    mScaleToResolution = aScaleToResolution;
+  }
+
+  bool GetScaleToResolution() const
+  {
+    return mScaleToResolution;
+  }
+
+  void ClearNonScrollState()
+  {
+    mContentData = nullptr;
+    mDisabledSet = false;
+  }
+
+  bool GetDisabled() const
+  {
+    return mDisabled;
+  }
+
+  void SetDisabled(bool aDisabled)
+  {
+    mDisabled = aDisabled;
+    mDisabledSet = true;
+  }
+
+  bool IsDisabledSet() const
+  {
+    return mDisabledSet;
+  }
+
+  nsISupports* GetStateProperty() const
+  {
+    return mContentData;
+  }
+
+  void SetStateProperty(nsISupports *aProperty)
+  {
+    mContentData = aProperty;
+  }
+
+  void SetDroppedDown(bool aDroppedDown)
+  {
+    mDroppedDown = aDroppedDown;
+  }
+
+  bool GetDroppedDown() const
+  {
+    return mDroppedDown;
+  }
+
+// MEMBER VARIABLES
+protected:
+  nsCOMPtr<nsISupports> mContentData;
+  nsPoint mScrollState;
+  bool mAllowScrollOriginDowngrade;
+  float mResolution;
+  bool mScaleToResolution;
+  bool mDisabledSet;
+  bool mDisabled;
+  bool mDroppedDown;
+};
+
+#endif /* nsPresState_h_ */
-- 
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