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Side by Side Diff: components/exo/pointer.h

Issue 2572963002: exo: Produce an error if stylus delegate is already associated. (Closed)
Patch Set: Created 4 years ago
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1 // Copyright 2015 The Chromium Authors. All rights reserved. 1 // Copyright 2015 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 COMPONENTS_EXO_POINTER_H_ 5 #ifndef COMPONENTS_EXO_POINTER_H_
6 #define COMPONENTS_EXO_POINTER_H_ 6 #define COMPONENTS_EXO_POINTER_H_
7 7
8 #include <memory> 8 #include <memory>
9 9
10 #include "base/macros.h" 10 #include "base/macros.h"
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39 explicit Pointer(PointerDelegate* delegate); 39 explicit Pointer(PointerDelegate* delegate);
40 ~Pointer() override; 40 ~Pointer() override;
41 41
42 // Set the pointer surface, i.e., the surface that contains the pointer image 42 // Set the pointer surface, i.e., the surface that contains the pointer image
43 // (cursor). The |hotspot| argument defines the position of the pointer 43 // (cursor). The |hotspot| argument defines the position of the pointer
44 // surface relative to the pointer location. Its top-left corner is always at 44 // surface relative to the pointer location. Its top-left corner is always at
45 // (x, y) - (hotspot.x, hotspot.y), where (x, y) are the coordinates of the 45 // (x, y) - (hotspot.x, hotspot.y), where (x, y) are the coordinates of the
46 // pointer location, in surface local coordinates. 46 // pointer location, in surface local coordinates.
47 void SetCursor(Surface* surface, const gfx::Point& hotspot); 47 void SetCursor(Surface* surface, const gfx::Point& hotspot);
48 48
49 bool HasStylusDelegate() const;
49 // Set delegate for stylus events. 50 // Set delegate for stylus events.
50 void SetStylusDelegate(PointerStylusDelegate* delegate); 51 void SetStylusDelegate(PointerStylusDelegate* delegate);
51 52
52 // Overridden from ui::EventHandler: 53 // Overridden from ui::EventHandler:
53 void OnMouseEvent(ui::MouseEvent* event) override; 54 void OnMouseEvent(ui::MouseEvent* event) override;
54 void OnScrollEvent(ui::ScrollEvent* event) override; 55 void OnScrollEvent(ui::ScrollEvent* event) override;
55 56
56 // Overridden from WMHelper::CursorObserver: 57 // Overridden from WMHelper::CursorObserver:
57 void OnCursorSetChanged(ui::CursorSetType cursor_set) override; 58 void OnCursorSetChanged(ui::CursorSetType cursor_set) override;
58 59
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108 109
109 // True if the pointer is controlled via direct input. 110 // True if the pointer is controlled via direct input.
110 bool is_direct_input_ = false; 111 bool is_direct_input_ = false;
111 112
112 DISALLOW_COPY_AND_ASSIGN(Pointer); 113 DISALLOW_COPY_AND_ASSIGN(Pointer);
113 }; 114 };
114 115
115 } // namespace exo 116 } // namespace exo
116 117
117 #endif // COMPONENTS_EXO_POINTER_H_ 118 #endif // COMPONENTS_EXO_POINTER_H_
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