layout/xul/ListBoxObject.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim:set ts=2 sw=2 sts=2 et cindent: */
   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/. */
   6
   7 #ifndef mozilla_dom_ListBoxObject_h
   8 #define mozilla_dom_ListBoxObject_h
   9
  10 #include "mozilla/dom/BoxObject.h"
  11 #include "nsPIListBoxObject.h"
  12
  13 namespace mozilla {
  14 namespace dom {
  15
  16 class ListBoxObject MOZ_FINAL : public BoxObject,
  17                                 public nsPIListBoxObject
  18 {
  19 public:
  20   NS_DECL_ISUPPORTS_INHERITED
  21   NS_DECL_NSILISTBOXOBJECT
  22
  23   ListBoxObject();
  24
  25   virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
  26
  27   // nsPIListBoxObject
  28   virtual nsListBoxBodyFrame* GetListBoxBody(bool aFlush) MOZ_OVERRIDE;
  29
  30   // nsPIBoxObject
  31   virtual void Clear() MOZ_OVERRIDE;
  32   virtual void ClearCachedValues() MOZ_OVERRIDE;
  33
  34   // ListBoxObject.webidl
  35   int32_t GetRowCount();
  36   int32_t GetNumberOfVisibleRows();
  37   int32_t GetIndexOfFirstVisibleRow();
  38   void EnsureIndexIsVisible(int32_t rowIndex);
  39   void ScrollToIndex(int32_t rowIndex);
  40   void ScrollByLines(int32_t numLines);
  41   already_AddRefed<Element> GetItemAtIndex(int32_t index);
  42   int32_t GetIndexOfItem(Element& item);
  43
  44 protected:
  45   nsListBoxBodyFrame *mListBoxBody;
  46
  47 private:
  48   ~ListBoxObject();
  49 };
  50
  51 } // namespace dom
  52 } // namespace mozilla
  53
  54 #endif // mozilla_dom_ListBoxObject_h