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-rw-r--r--layout/xul/tree/nsTreeSelection.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/layout/xul/tree/nsTreeSelection.h b/layout/xul/tree/nsTreeSelection.h
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+++ b/layout/xul/tree/nsTreeSelection.h
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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