nsTreeSelection.h - mozsearch

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/* -*- 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/. */

#ifndef nsTreeSelection_h__

#define nsTreeSelection_h__

#include "nsITreeSelection.h"

#include "nsITimer.h"

#include "nsCycleCollectionParticipant.h"

#include "mozilla/Attributes.h"

#include "XULTreeElement.h"

class nsTreeColumn;

struct nsTreeRange;

class nsTreeSelection final : public nsINativeTreeSelection {

 public:

  explicit nsTreeSelection(mozilla::dom::XULTreeElement* aTree);

  NS_DECL_CYCLE_COLLECTING_ISUPPORTS

  NS_DECL_CYCLE_COLLECTION_CLASS(nsTreeSelection)

  NS_DECL_NSITREESELECTION

  // nsINativeTreeSelection: Untrusted code can use us

  NS_IMETHOD EnsureNative() override { return NS_OK; }

  friend struct nsTreeRange;

 protected:

  ~nsTreeSelection();

  nsresult FireOnSelectHandler();

  static void SelectCallback(nsITimer* aTimer, void* aClosure);

 protected:

  // The tree will hold on to us through the view and let go when it dies.

  RefPtr<mozilla::dom::XULTreeElement> mTree;

  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.

  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(mozilla::dom::XULTreeElement* aTree,

                             nsITreeSelection** aResult);

#endif