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1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
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2 /* This Source Code Form is subject to the terms of the Mozilla Public |
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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5 |
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6 #ifndef nsIScrollbarMediator_h___ |
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7 #define nsIScrollbarMediator_h___ |
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8 |
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9 #include "nsQueryFrame.h" |
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10 |
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11 class nsScrollbarFrame; |
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12 |
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13 class nsIScrollbarMediator |
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14 { |
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15 public: |
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16 NS_DECL_QUERYFRAME_TARGET(nsIScrollbarMediator) |
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17 |
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18 // The aScrollbar argument denotes the scrollbar that's firing the notification. |
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19 NS_IMETHOD PositionChanged(nsScrollbarFrame* aScrollbar, int32_t aOldIndex, int32_t& aNewIndex) = 0; |
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20 NS_IMETHOD ScrollbarButtonPressed(nsScrollbarFrame* aScrollbar, int32_t aOldIndex, int32_t aNewIndex) = 0; |
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21 |
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22 NS_IMETHOD VisibilityChanged(bool aVisible) = 0; |
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23 }; |
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24 |
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25 #endif |
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26 |