зеркало из https://github.com/mozilla/gecko-dev.git
60 строки
1.8 KiB
C++
60 строки
1.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsTreeSelection_h__
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#define nsTreeSelection_h__
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#include "nsITreeSelection.h"
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#include "nsITimer.h"
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#include "nsCycleCollectionParticipant.h"
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#include "mozilla/Attributes.h"
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class nsITreeBoxObject;
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class nsTreeColumn;
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struct nsTreeRange;
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class nsTreeSelection final : public nsINativeTreeSelection
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{
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public:
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explicit nsTreeSelection(nsITreeBoxObject* aTree);
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_CLASS(nsTreeSelection)
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NS_DECL_NSITREESELECTION
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// nsINativeTreeSelection: Untrusted code can use us
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NS_IMETHOD EnsureNative() override { return NS_OK; }
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friend struct nsTreeRange;
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protected:
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~nsTreeSelection();
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nsresult FireOnSelectHandler();
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static void SelectCallback(nsITimer *aTimer, void *aClosure);
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protected:
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// Helper function to get the content node associated with mTree.
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already_AddRefed<nsIContent> GetContent();
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// Members
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nsCOMPtr<nsITreeBoxObject> mTree; // The tree will hold on to us through the view and let go when it dies.
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bool mSuppressed; // Whether or not we should be firing onselect events.
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int32_t mCurrentIndex; // The item to draw the rect around. The last one clicked, etc.
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RefPtr<nsTreeColumn> mCurrentColumn;
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int32_t mShiftSelectPivot; // Used when multiple SHIFT+selects are performed to pivot on.
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nsTreeRange* mFirstRange; // Our list of ranges.
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nsCOMPtr<nsITimer> mSelectTimer;
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};
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nsresult
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NS_NewTreeSelection(nsITreeBoxObject* aTree, nsITreeSelection** aResult);
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#endif
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