layout/generic/nsIScrollbarOwner.h@b8a032363ba2 (annotated)
layout/generic/nsIScrollbarOwner.h
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifndef nsIScrollbarOwner_h___ |
| michael@0 | 7 | #define nsIScrollbarOwner_h___ |
| michael@0 | 8 | |
| michael@0 | 9 | #include "nsQueryFrame.h" |
| michael@0 | 10 | |
| michael@0 | 11 | class nsIDOMEventTarget; |
| michael@0 | 12 | class nsIFrame; |
| michael@0 | 13 | |
| michael@0 | 14 | /** |
| michael@0 | 15 | * An interface that represents a frame which manages scrollbars. |
| michael@0 | 16 | */ |
| michael@0 | 17 | class nsIScrollbarOwner : public nsQueryFrame { |
| michael@0 | 18 | public: |
| michael@0 | 19 | NS_DECL_QUERYFRAME_TARGET(nsIScrollbarOwner) |
| michael@0 | 20 | |
| michael@0 | 21 | /** |
| michael@0 | 22 | * Obtain the frame for the horizontal or vertical scrollbar, or null |
| michael@0 | 23 | * if there is no such box. |
| michael@0 | 24 | */ |
| michael@0 | 25 | virtual nsIFrame* GetScrollbarBox(bool aVertical) = 0; |
| michael@0 | 26 | |
| michael@0 | 27 | /** |
| michael@0 | 28 | * Show or hide scrollbars on 2 fingers touch. |
| michael@0 | 29 | * Subclasses should call their ScrollbarActivity's corresponding methods. |
| michael@0 | 30 | */ |
| michael@0 | 31 | virtual void ScrollbarActivityStarted() const = 0; |
| michael@0 | 32 | virtual void ScrollbarActivityStopped() const = 0; |
| michael@0 | 33 | }; |
| michael@0 | 34 | |
| michael@0 | 35 | #endif |
