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| 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef FramelessScrollView_h | |
| 6 #define FramelessScrollView_h | |
| 7 | |
| 8 #include "FrameView.h" | |
| 9 | |
| 10 namespace WebCore { | |
| 11 | |
| 12 class PlatformKeyboardEvent; | |
| 13 | |
| 14 // A FramelessScrollView is a ScrollView that can be used to render custom | |
| 15 // content, which does not have an associated Frame. This extends from | |
| 16 // FrameView because much of WebCore unfortunately assumes that a | |
| 17 // ScrollView is a FrameView. | |
| 18 // | |
| 19 // TODO: It may be better to just develop a custom subclass of Widget that | |
| 20 // can have scroll bars for this instead of trying to reuse ScrollView. | |
| 21 // | |
| 22 class FramelessScrollView : public FrameView { | |
| 23 public: | |
| 24 FramelessScrollView() : FrameView(0) {} | |
| 25 | |
| 26 virtual IntRect windowClipRect() const; | |
| 27 | |
| 28 // Event handlers | |
| 29 virtual bool handleMouseDownEvent(const PlatformMouseEvent&) = 0; | |
| 30 virtual bool handleMouseMoveEvent(const PlatformMouseEvent&) = 0; | |
| 31 virtual bool handleMouseReleaseEvent(const PlatformMouseEvent&) = 0; | |
| 32 virtual bool handleWheelEvent(const PlatformWheelEvent&) = 0; | |
| 33 virtual bool handleKeyEvent(const PlatformKeyboardEvent&) = 0; | |
| 34 }; | |
| 35 } | |
| 36 | |
| 37 #endif // FramelessScrollView_h | |
| 38 | |
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