gecko-dev/layout/xul/tree/TreeBoxObject.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/. */
#ifndef mozilla_dom_TreeBoxObject_h
#define mozilla_dom_TreeBoxObject_h
#include "mozilla/dom/BoxObject.h"
#include "nsITreeView.h"
#include "nsITreeBoxObject.h"
class nsTreeBodyFrame;
class nsTreeColumn;
class nsTreeColumns;
namespace mozilla {
namespace dom {
struct TreeCellInfo;
class DOMRect;
class TreeBoxObject final : public BoxObject,
public nsITreeBoxObject
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(TreeBoxObject, BoxObject)
NS_DECL_NSITREEBOXOBJECT
TreeBoxObject();
nsTreeBodyFrame* GetTreeBodyFrame(bool aFlushLayout = false);
nsTreeBodyFrame* GetCachedTreeBodyFrame() { return mTreeBody; }
//NS_PIBOXOBJECT interfaces
virtual void Clear() override;
virtual void ClearCachedValues() override;
// WebIDL
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
already_AddRefed<nsTreeColumns> GetColumns();
already_AddRefed<nsITreeView> GetView();
void SetView(nsITreeView* arg, ErrorResult& aRv);
bool Focused();
already_AddRefed<Element> GetTreeBody();
int32_t RowHeight();
int32_t RowWidth();
int32_t HorizontalPosition();
already_AddRefed<nsIScriptableRegion> SelectionRegion();
int32_t GetFirstVisibleRow();
int32_t GetLastVisibleRow();
int32_t GetPageLength();
int32_t GetRowAt(int32_t x, int32_t y);
void GetCellAt(int32_t x, int32_t y, TreeCellInfo& aRetVal, ErrorResult& aRv);
already_AddRefed<DOMRect> GetCoordsForCellItem(int32_t row,
nsTreeColumn& col,
const nsAString& element,
ErrorResult& aRv);
bool IsCellCropped(int32_t row, nsITreeColumn* col, ErrorResult& aRv);
void RemoveImageCacheEntry(int32_t row, nsITreeColumn& col, ErrorResult& aRv);
// Deprecated APIs from old IDL
void GetCellAt(JSContext* cx,
int32_t x, int32_t y,
JS::Handle<JSObject*> rowOut,
JS::Handle<JSObject*> colOut,
JS::Handle<JSObject*> childEltOut,
ErrorResult& aRv);
void GetCoordsForCellItem(JSContext* cx,
int32_t row,
nsTreeColumn& col,
const nsAString& element,
JS::Handle<JSObject*> xOut,
JS::Handle<JSObject*> yOut,
JS::Handle<JSObject*> widthOut,
JS::Handle<JSObject*> heightOut,
ErrorResult& aRv);
// Same signature (except for nsresult return type) as the XPIDL impls
// void Invalidate();
// void BeginUpdateBatch();
// void EndUpdateBatch();
// void ClearStyleAndImageCaches();
// void SetFocused(bool arg);
// void EnsureRowIsVisible(int32_t index);
// void EnsureCellIsVisible(int32_t row, nsITreeColumn* col);
// void ScrollToRow(int32_t index);
// void ScrollByLines(int32_t numLines);
// void ScrollByPages(int32_t numPages);
// void ScrollToCell(int32_t row, nsITreeColumn* col);
// void ScrollToColumn(nsITreeColumn* col);
// void ScrollToHorizontalPosition(int32_t horizontalPosition);
// void InvalidateColumn(nsITreeColumn* col);
// void InvalidateRow(int32_t index);
// void InvalidateCell(int32_t row, nsITreeColumn* col);
// void InvalidateRange(int32_t startIndex, int32_t endIndex);
// void InvalidateColumnRange(int32_t startIndex, int32_t endIndex, nsITreeColumn* col);
// void RowCountChanged(int32_t index, int32_t count);
protected:
nsTreeBodyFrame* mTreeBody;
nsCOMPtr<nsITreeView> mView;
private:
~TreeBoxObject();
};
} // namespace dom
} // namespace mozilla
#endif