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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /layout/generic/nsFrameSetFrame.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'layout/generic/nsFrameSetFrame.h')
-rw-r--r--layout/generic/nsFrameSetFrame.h218
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diff --git a/layout/generic/nsFrameSetFrame.h b/layout/generic/nsFrameSetFrame.h
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+/* -*- 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/. */
+
+/* rendering object for HTML <frameset> elements */
+
+#ifndef nsHTMLFrameset_h___
+#define nsHTMLFrameset_h___
+
+#include "mozilla/Attributes.h"
+#include "mozilla/UniquePtr.h"
+#include "nsContainerFrame.h"
+#include "nsColor.h"
+
+class nsIContent;
+class nsPresContext;
+struct nsRect;
+struct nsSize;
+class nsIAtom;
+class nsHTMLFramesetBorderFrame;
+class nsHTMLFramesetFrame;
+
+#define NO_COLOR 0xFFFFFFFA
+
+// defined at HTMLFrameSetElement.h
+struct nsFramesetSpec;
+
+struct nsBorderColor
+{
+ nscolor mLeft;
+ nscolor mRight;
+ nscolor mTop;
+ nscolor mBottom;
+
+ nsBorderColor() { Set(NO_COLOR); }
+ ~nsBorderColor() {}
+ void Set(nscolor aColor) { mLeft = mRight = mTop = mBottom = aColor; }
+};
+
+enum nsFrameborder {
+ eFrameborder_Yes = 0,
+ eFrameborder_No,
+ eFrameborder_Notset
+};
+
+struct nsFramesetDrag {
+ nsHTMLFramesetFrame* mSource; // frameset whose border was dragged to cause the resize
+ int32_t mIndex; // index of left col or top row of effected area
+ int32_t mChange; // pos for left to right or top to bottom, neg otherwise
+ bool mVertical; // vertical if true, otherwise horizontal
+
+ nsFramesetDrag();
+ void Reset(bool aVertical,
+ int32_t aIndex,
+ int32_t aChange,
+ nsHTMLFramesetFrame* aSource);
+ void UnSet();
+};
+
+/*******************************************************************************
+ * nsHTMLFramesetFrame
+ ******************************************************************************/
+class nsHTMLFramesetFrame : public nsContainerFrame
+{
+public:
+ NS_DECL_QUERYFRAME_TARGET(nsHTMLFramesetFrame)
+ NS_DECL_QUERYFRAME
+ NS_DECL_FRAMEARENA_HELPERS
+
+ explicit nsHTMLFramesetFrame(nsStyleContext* aContext);
+
+ virtual ~nsHTMLFramesetFrame();
+
+ virtual void Init(nsIContent* aContent,
+ nsContainerFrame* aParent,
+ nsIFrame* aPrevInFlow) override;
+
+ virtual void SetInitialChildList(ChildListID aListID,
+ nsFrameList& aChildList) override;
+
+ static bool gDragInProgress;
+
+ void GetSizeOfChild(nsIFrame* aChild, mozilla::WritingMode aWM,
+ mozilla::LogicalSize& aSize);
+
+ void GetSizeOfChildAt(int32_t aIndexInParent,
+ mozilla::WritingMode aWM,
+ mozilla::LogicalSize& aSize,
+ nsIntPoint& aCellIndex);
+
+ virtual nsresult HandleEvent(nsPresContext* aPresContext,
+ mozilla::WidgetGUIEvent* aEvent,
+ nsEventStatus* aEventStatus) override;
+
+ virtual nsresult GetCursor(const nsPoint& aPoint,
+ nsIFrame::Cursor& aCursor) override;
+
+ virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
+ const nsRect& aDirtyRect,
+ const nsDisplayListSet& aLists) override;
+
+ virtual void Reflow(nsPresContext* aPresContext,
+ ReflowOutput& aDesiredSize,
+ const ReflowInput& aReflowInput,
+ nsReflowStatus& aStatus) override;
+
+ virtual nsIAtom* GetType() const override;
+#ifdef DEBUG_FRAME_DUMP
+ virtual nsresult GetFrameName(nsAString& aResult) const override;
+#endif
+
+ virtual bool IsLeaf() const override;
+
+ void StartMouseDrag(nsPresContext* aPresContext,
+ nsHTMLFramesetBorderFrame* aBorder,
+ mozilla::WidgetGUIEvent* aEvent);
+
+ void MouseDrag(nsPresContext* aPresContext,
+ mozilla::WidgetGUIEvent* aEvent);
+
+ void EndMouseDrag(nsPresContext* aPresContext);
+
+ nsFrameborder GetParentFrameborder() { return mParentFrameborder; }
+
+ void SetParentFrameborder(nsFrameborder aValue) { mParentFrameborder = aValue; }
+
+ nsFramesetDrag& GetDrag() { return mDrag; }
+
+ void RecalculateBorderResize();
+
+protected:
+ void Scale(nscoord aDesired,
+ int32_t aNumIndicies,
+ int32_t* aIndicies,
+ int32_t aNumItems,
+ int32_t* aItems);
+
+ void CalculateRowCol(nsPresContext* aPresContext,
+ nscoord aSize,
+ int32_t aNumSpecs,
+ const nsFramesetSpec* aSpecs,
+ nscoord* aValues);
+
+ void GenerateRowCol(nsPresContext* aPresContext,
+ nscoord aSize,
+ int32_t aNumSpecs,
+ const nsFramesetSpec* aSpecs,
+ nscoord* aValues,
+ nsString& aNewAttr);
+
+ virtual void GetDesiredSize(nsPresContext* aPresContext,
+ const ReflowInput& aReflowInput,
+ ReflowOutput& aDesiredSize);
+
+ int32_t GetBorderWidth(nsPresContext* aPresContext,
+ bool aTakeForcingIntoAccount);
+
+ int32_t GetParentBorderWidth() { return mParentBorderWidth; }
+
+ void SetParentBorderWidth(int32_t aWidth) { mParentBorderWidth = aWidth; }
+
+ nscolor GetParentBorderColor() { return mParentBorderColor; }
+
+ void SetParentBorderColor(nscolor aColor) { mParentBorderColor = aColor; }
+
+ nsFrameborder GetFrameBorder();
+
+ nsFrameborder GetFrameBorder(nsIContent* aContent);
+
+ nscolor GetBorderColor();
+
+ nscolor GetBorderColor(nsIContent* aFrameContent);
+
+ bool GetNoResize(nsIFrame* aChildFrame);
+
+ void ReflowPlaceChild(nsIFrame* aChild,
+ nsPresContext* aPresContext,
+ const ReflowInput& aReflowInput,
+ nsPoint& aOffset,
+ nsSize& aSize,
+ nsIntPoint* aCellIndex = 0);
+
+ bool CanResize(bool aVertical, bool aLeft);
+
+ bool CanChildResize(bool aVertical, bool aLeft, int32_t aChildX);
+
+ void SetBorderResize(nsHTMLFramesetBorderFrame* aBorderFrame);
+
+ template<typename T, class D = mozilla::DefaultDelete<T>>
+ using UniquePtr = mozilla::UniquePtr<T, D>;
+
+ nsFramesetDrag mDrag;
+ nsBorderColor mEdgeColors;
+ nsHTMLFramesetBorderFrame* mDragger;
+ nsHTMLFramesetFrame* mTopLevelFrameset;
+ UniquePtr<nsHTMLFramesetBorderFrame*[]> mVerBorders; // vertical borders
+ UniquePtr<nsHTMLFramesetBorderFrame*[]> mHorBorders; // horizontal borders
+ UniquePtr<nsFrameborder[]> mChildFrameborder; // the frameborder attr of children
+ UniquePtr<nsBorderColor[]> mChildBorderColors;
+ UniquePtr<nscoord[]> mRowSizes; // currently computed row sizes
+ UniquePtr<nscoord[]> mColSizes; // currently computed col sizes
+ mozilla::LayoutDeviceIntPoint mFirstDragPoint;
+ int32_t mNumRows;
+ int32_t mNumCols;
+ int32_t mNonBorderChildCount;
+ int32_t mNonBlankChildCount;
+ int32_t mEdgeVisibility;
+ nsFrameborder mParentFrameborder;
+ nscolor mParentBorderColor;
+ int32_t mParentBorderWidth;
+ int32_t mPrevNeighborOrigSize; // used during resize
+ int32_t mNextNeighborOrigSize;
+ int32_t mMinDrag;
+ int32_t mChildCount;
+};
+
+#endif