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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CCScrollbarGeometryStub_h | 5 // Temporary forwarding header |
6 #define CCScrollbarGeometryStub_h | 6 #include "cc/scrollbar_geometry_stub.h" |
7 | |
8 #include <public/WebScrollbarThemeGeometry.h> | |
9 #include <wtf/OwnPtr.h> | |
10 #include <wtf/PassOwnPtr.h> | |
11 | |
12 namespace cc { | |
13 | |
14 // This subclass wraps an existing scrollbar geometry class so that | |
15 // another class can derive from it and override specific functions, while | |
16 // passing through the remaining ones. | |
17 class CCScrollbarGeometryStub : public WebKit::WebScrollbarThemeGeometry { | |
18 public: | |
19 virtual ~CCScrollbarGeometryStub(); | |
20 | |
21 // Allow derived classes to update themselves from a scrollbar. | |
22 void update(WebKit::WebScrollbar*) { } | |
23 | |
24 // WebScrollbarThemeGeometry interface | |
25 virtual WebKit::WebScrollbarThemeGeometry* clone() const OVERRIDE; | |
26 virtual int thumbPosition(WebKit::WebScrollbar*) OVERRIDE; | |
27 virtual int thumbLength(WebKit::WebScrollbar*) OVERRIDE; | |
28 virtual int trackPosition(WebKit::WebScrollbar*) OVERRIDE; | |
29 virtual int trackLength(WebKit::WebScrollbar*) OVERRIDE; | |
30 virtual bool hasButtons(WebKit::WebScrollbar*) OVERRIDE; | |
31 virtual bool hasThumb(WebKit::WebScrollbar*) OVERRIDE; | |
32 virtual WebKit::WebRect trackRect(WebKit::WebScrollbar*) OVERRIDE; | |
33 virtual WebKit::WebRect thumbRect(WebKit::WebScrollbar*) OVERRIDE; | |
34 virtual int minimumThumbLength(WebKit::WebScrollbar*) OVERRIDE; | |
35 virtual int scrollbarThickness(WebKit::WebScrollbar*) OVERRIDE; | |
36 virtual WebKit::WebRect backButtonStartRect(WebKit::WebScrollbar*) OVERRIDE; | |
37 virtual WebKit::WebRect backButtonEndRect(WebKit::WebScrollbar*) OVERRIDE; | |
38 virtual WebKit::WebRect forwardButtonStartRect(WebKit::WebScrollbar*) OVERRI
DE; | |
39 virtual WebKit::WebRect forwardButtonEndRect(WebKit::WebScrollbar*) OVERRIDE
; | |
40 virtual WebKit::WebRect constrainTrackRectToTrackPieces(WebKit::WebScrollbar
*, const WebKit::WebRect&) OVERRIDE; | |
41 virtual void splitTrack(WebKit::WebScrollbar*, const WebKit::WebRect& track,
WebKit::WebRect& startTrack, WebKit::WebRect& thumb, WebKit::WebRect& endTrack)
OVERRIDE; | |
42 | |
43 protected: | |
44 explicit CCScrollbarGeometryStub(PassOwnPtr<WebKit::WebScrollbarThemeGeometr
y>); | |
45 | |
46 private: | |
47 OwnPtr<WebKit::WebScrollbarThemeGeometry> m_geometry; | |
48 }; | |
49 | |
50 } | |
51 | |
52 #endif | |
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