The Tor Browser: layout/xul/tree/nsTreeSelection.h@7e26c7da4463

     1 /* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-

     2  *

     3  * This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 #ifndef nsTreeSelection_h__

     8 #define nsTreeSelection_h__

    10 #include "nsITreeSelection.h"

    11 #include "nsITreeColumns.h"

    12 #include "nsITimer.h"

    13 #include "nsCycleCollectionParticipant.h"

    14 #include "mozilla/Attributes.h"

    16 class nsITreeBoxObject;

    17 struct nsTreeRange;

    19 class nsTreeSelection MOZ_FINAL : public nsINativeTreeSelection

    20 {

    21 public:

    22   nsTreeSelection(nsITreeBoxObject* aTree);

    23   ~nsTreeSelection();

    25   NS_DECL_CYCLE_COLLECTING_ISUPPORTS

    26   NS_DECL_CYCLE_COLLECTION_CLASS(nsTreeSelection)

    27   NS_DECL_NSITREESELECTION

    29   // nsINativeTreeSelection: Untrusted code can use us

    30   NS_IMETHOD EnsureNative() MOZ_OVERRIDE { return NS_OK; }

    32   friend struct nsTreeRange;

    34 protected:

    35   nsresult FireOnSelectHandler();

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

    38 protected:

    39   // Members

    40   nsCOMPtr<nsITreeBoxObject> mTree; // The tree will hold on to us through the view and let go when it dies.

    42   bool mSuppressed; // Whether or not we should be firing onselect events.

    43   int32_t mCurrentIndex; // The item to draw the rect around. The last one clicked, etc.

    44   nsCOMPtr<nsITreeColumn> mCurrentColumn;

    45   int32_t mShiftSelectPivot; // Used when multiple SHIFT+selects are performed to pivot on.

    47   nsTreeRange* mFirstRange; // Our list of ranges.

    49   nsCOMPtr<nsITimer> mSelectTimer;

    50 };

    52 nsresult

    53 NS_NewTreeSelection(nsITreeBoxObject* aTree, nsITreeSelection** aResult);

    55 #endif

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