michael@0: /* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:  *
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef nsTreeSelection_h__
michael@0: #define nsTreeSelection_h__
michael@0: 
michael@0: #include "nsITreeSelection.h"
michael@0: #include "nsITreeColumns.h"
michael@0: #include "nsITimer.h"
michael@0: #include "nsCycleCollectionParticipant.h"
michael@0: #include "mozilla/Attributes.h"
michael@0: 
michael@0: class nsITreeBoxObject;
michael@0: struct nsTreeRange;
michael@0: 
michael@0: class nsTreeSelection MOZ_FINAL : public nsINativeTreeSelection
michael@0: {
michael@0: public:
michael@0:   nsTreeSelection(nsITreeBoxObject* aTree);
michael@0:   ~nsTreeSelection();
michael@0:    
michael@0:   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
michael@0:   NS_DECL_CYCLE_COLLECTION_CLASS(nsTreeSelection)
michael@0:   NS_DECL_NSITREESELECTION
michael@0: 
michael@0:   // nsINativeTreeSelection: Untrusted code can use us
michael@0:   NS_IMETHOD EnsureNative() MOZ_OVERRIDE { return NS_OK; }
michael@0: 
michael@0:   friend struct nsTreeRange;
michael@0: 
michael@0: protected:
michael@0:   nsresult FireOnSelectHandler();
michael@0:   static void SelectCallback(nsITimer *aTimer, void *aClosure);
michael@0: 
michael@0: protected:
michael@0:   // Members
michael@0:   nsCOMPtr<nsITreeBoxObject> mTree; // The tree will hold on to us through the view and let go when it dies.
michael@0: 
michael@0:   bool mSuppressed; // Whether or not we should be firing onselect events.
michael@0:   int32_t mCurrentIndex; // The item to draw the rect around. The last one clicked, etc.
michael@0:   nsCOMPtr<nsITreeColumn> mCurrentColumn;
michael@0:   int32_t mShiftSelectPivot; // Used when multiple SHIFT+selects are performed to pivot on.
michael@0: 
michael@0:   nsTreeRange* mFirstRange; // Our list of ranges.
michael@0: 
michael@0:   nsCOMPtr<nsITimer> mSelectTimer;
michael@0: };
michael@0: 
michael@0: nsresult
michael@0: NS_NewTreeSelection(nsITreeBoxObject* aTree, nsITreeSelection** aResult);
michael@0: 
michael@0: #endif