gecko-dev/layout/xul/tree/nsTreeSelection.h

57 lines
1.6 KiB
C++

/* -*- Mode: C++; tab-width: 3; 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 nsTreeSelection_h__
#define nsTreeSelection_h__
#include "nsITreeSelection.h"
#include "nsITreeColumns.h"
#include "nsITimer.h"
#include "nsCycleCollectionParticipant.h"
#include "mozilla/Attributes.h"
class nsITreeBoxObject;
struct nsTreeRange;
class nsTreeSelection MOZ_FINAL : public nsINativeTreeSelection
{
public:
explicit nsTreeSelection(nsITreeBoxObject* aTree);
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_CLASS(nsTreeSelection)
NS_DECL_NSITREESELECTION
// nsINativeTreeSelection: Untrusted code can use us
NS_IMETHOD EnsureNative() MOZ_OVERRIDE { return NS_OK; }
friend struct nsTreeRange;
protected:
~nsTreeSelection();
nsresult FireOnSelectHandler();
static void SelectCallback(nsITimer *aTimer, void *aClosure);
protected:
// Members
nsCOMPtr<nsITreeBoxObject> mTree; // The tree will hold on to us through the view and let go when it dies.
bool mSuppressed; // Whether or not we should be firing onselect events.
int32_t mCurrentIndex; // The item to draw the rect around. The last one clicked, etc.
nsCOMPtr<nsITreeColumn> mCurrentColumn;
int32_t mShiftSelectPivot; // Used when multiple SHIFT+selects are performed to pivot on.
nsTreeRange* mFirstRange; // Our list of ranges.
nsCOMPtr<nsITimer> mSelectTimer;
};
nsresult
NS_NewTreeSelection(nsITreeBoxObject* aTree, nsITreeSelection** aResult);
#endif