зеркало из https://github.com/mozilla/gecko-dev.git
215 строки
7.2 KiB
C++
215 строки
7.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* 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 nsAtom;
|
|
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 final : public nsContainerFrame
|
|
{
|
|
public:
|
|
NS_DECL_QUERYFRAME
|
|
NS_DECL_FRAMEARENA_HELPERS(nsHTMLFramesetFrame)
|
|
|
|
explicit nsHTMLFramesetFrame(ComputedStyle* aStyle);
|
|
|
|
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 nsDisplayListSet& aLists) override;
|
|
|
|
virtual void Reflow(nsPresContext* aPresContext,
|
|
ReflowOutput& aDesiredSize,
|
|
const ReflowInput& aReflowInput,
|
|
nsReflowStatus& aStatus) override;
|
|
|
|
#ifdef DEBUG_FRAME_DUMP
|
|
virtual nsresult GetFrameName(nsAString& aResult) const override;
|
|
#endif
|
|
|
|
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
|