Source/platform/scroll/FramelessScrollView.h - Issue 562513004: Remove FramelessScrollView.

Side by Side Diff: Source/platform/scroll/FramelessScrollView.h

Issue 562513004: Remove FramelessScrollView. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Fix Windows build. Created 6 years, 3 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

View unified diff | Download patch

OLD	NEW
	(Empty)
1 /*

2 * Copyright (c) 2008, 2009, Google Inc. All rights reserved.

3 *

4 * Redistribution and use in source and binary forms, with or without

5 * modification, are permitted provided that the following conditions are

6 * met:

7 *

8 * * Redistributions of source code must retain the above copyright

9 * notice, this list of conditions and the following disclaimer.

10 * * Redistributions in binary form must reproduce the above

11 * copyright notice, this list of conditions and the following disclaimer

12 * in the documentation and/or other materials provided with the

13 * distribution.

14 * * Neither the name of Google Inc. nor the names of its

15 * contributors may be used to endorse or promote products derived from

16 * this software without specific prior written permission.

17 *

18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

29 */

30

31 #ifndef FramelessScrollView_h

32 #define FramelessScrollView_h

33

34 #include "platform/PlatformExport.h"

35 #include "platform/scroll/ScrollView.h"

36

37 namespace blink {

38

39 class FramelessScrollViewClient;

40 class PlatformGestureEvent;

41 class PlatformKeyboardEvent;

42 class PlatformMouseEvent;

43 class PlatformTouchEvent;

44 class PlatformWheelEvent;

45

46 // A FramelessScrollView is a ScrollView that can be used to render custom

47 // content, which does not have an associated LocalFrame.

48 //

49 // NOTE: It may be better to just develop a custom subclass of Widget that

50 // can have scroll bars for this instead of trying to reuse ScrollView.

51 //

52 class PLATFORM_EXPORT FramelessScrollView : public ScrollView {

53 public:

54 FramelessScrollView() : m_client(0) { }

55 virtual ~FramelessScrollView();

56

57 FramelessScrollViewClient* client() const { return m_client; }

58 void setClient(FramelessScrollViewClient* client) { m_client = client; }

59

60 // Event handlers that subclasses must implement.

61 virtual bool handleMouseDownEvent(const PlatformMouseEvent&) = 0;

62 virtual bool handleMouseMoveEvent(const PlatformMouseEvent&) = 0;

63 virtual bool handleMouseReleaseEvent(const PlatformMouseEvent&) = 0;

64 virtual bool handleWheelEvent(const PlatformWheelEvent&) = 0;

65 virtual bool handleKeyEvent(const PlatformKeyboardEvent&) = 0;

66 virtual bool handleTouchEvent(const PlatformTouchEvent&) = 0;

67 virtual bool handleGestureEvent(const PlatformGestureEvent&) = 0;

68

69 // ScrollableArea public methods:

70 virtual void invalidateScrollbarRect(Scrollbar*, const IntRect&) OVERRIDE;

71 virtual bool isActive() const OVERRIDE;

72 virtual bool scrollbarsCanBeActive() const OVERRIDE;

73 virtual IntRect scrollableAreaBoundingBox() const OVERRIDE;

74

75 // Widget public methods:

76 virtual void invalidateRect(const IntRect&) OVERRIDE;

77

78 // ScrollView public methods:

79 virtual HostWindow* hostWindow() const OVERRIDE;

80 virtual IntRect windowClipRect(IncludeScrollbarsInRect = ExcludeScrollbars) const OVERRIDE;

81

82 protected:

83 // ScrollView protected methods:

84 virtual void paintContents(GraphicsContext*, const IntRect&) OVERRIDE;

85 virtual void contentsResized() OVERRIDE;

86 virtual void scrollbarExistenceDidChange() OVERRIDE;

87

88 private:

89 FramelessScrollViewClient* m_client;

90 };

91

92 } // namespace blink

93

94 #endif

OLD	NEW

« no previous file with comments | « Source/platform/blink_platform.gypi ('k') | Source/platform/scroll/FramelessScrollView.cpp » ('j') | no next file with comments »