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66ed3e9795
The APZ scrolling codepath doesn't do the right thing for <listbox> without special handling, so have it scroll in JS instead, like we did in bug 1302736 for <tree>. MozReview-Commit-ID: LWJCBfhZ3Hc --HG-- extra : rebase_source : bb8b2f7e713d35822a956e08f4e0eed0557b07b3
56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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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 mozilla_dom_ListBoxObject_h
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#define mozilla_dom_ListBoxObject_h
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#include "mozilla/dom/BoxObject.h"
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#include "nsPIListBoxObject.h"
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namespace mozilla {
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namespace dom {
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class ListBoxObject final : public BoxObject,
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public nsPIListBoxObject
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_NSILISTBOXOBJECT
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ListBoxObject();
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virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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// nsPIListBoxObject
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virtual nsListBoxBodyFrame* GetListBoxBody(bool aFlush) override;
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// nsPIBoxObject
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virtual void Clear() override;
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virtual void ClearCachedValues() override;
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// ListBoxObject.webidl
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int32_t GetRowCount();
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int32_t GetRowHeight();
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int32_t GetNumberOfVisibleRows();
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int32_t GetIndexOfFirstVisibleRow();
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void EnsureIndexIsVisible(int32_t rowIndex);
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void ScrollToIndex(int32_t rowIndex);
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void ScrollByLines(int32_t numLines);
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already_AddRefed<Element> GetItemAtIndex(int32_t index);
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int32_t GetIndexOfItem(Element& item);
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protected:
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nsListBoxBodyFrame *mListBoxBody;
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private:
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~ListBoxObject();
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_ListBoxObject_h
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