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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 ASH_COMMON_SYSTEM_CHROMEOS_PALETTE_PALETTE_TOOL_H_ | 5 #ifndef ASH_COMMON_SYSTEM_CHROMEOS_PALETTE_PALETTE_TOOL_H_ |
6 #define ASH_COMMON_SYSTEM_CHROMEOS_PALETTE_PALETTE_TOOL_H_ | 6 #define ASH_COMMON_SYSTEM_CHROMEOS_PALETTE_PALETTE_TOOL_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <memory> | 9 #include <memory> |
10 #include <vector> | 10 #include <vector> |
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69 | 69 |
70 // Called when the user activates the tool. Only one tool per group can be | 70 // Called when the user activates the tool. Only one tool per group can be |
71 // active at any given time. | 71 // active at any given time. |
72 virtual void OnEnable(); | 72 virtual void OnEnable(); |
73 | 73 |
74 // Disable the tool, either because this tool called DisableSelf(), the | 74 // Disable the tool, either because this tool called DisableSelf(), the |
75 // user cancelled the tool, or the user activated another tool within the | 75 // user cancelled the tool, or the user activated another tool within the |
76 // same group. | 76 // same group. |
77 virtual void OnDisable(); | 77 virtual void OnDisable(); |
78 | 78 |
79 // Create a view that will be used in the palette. The view is owned by the | 79 // Create a view that will be used in the palette, or nullptr if this tool |
80 // caller. OnViewDestroyed is called when the view has been deallocated by its | 80 // should not be displayed. The view is owned by the caller. OnViewDestroyed |
81 // owner. | 81 // is called when the view has been deallocated by its owner. |
82 virtual views::View* CreateView() = 0; | 82 virtual views::View* CreateView() = 0; |
83 virtual void OnViewDestroyed() = 0; | 83 virtual void OnViewDestroyed() = 0; |
84 | 84 |
85 // Returns an icon to use in the tray if this tool is active. Only one tool | 85 // Returns an icon to use in the tray if this tool is active. Only one tool |
86 // (per-group) should ever have an active icon at any given time. | 86 // (per-group) should ever have an active icon at any given time. |
87 virtual gfx::VectorIconId GetActiveTrayIcon(); | 87 virtual gfx::VectorIconId GetActiveTrayIcon(); |
88 | 88 |
89 protected: | 89 protected: |
90 // Enables/disables the tool. | 90 // Enables/disables the tool. |
91 bool enabled() const { return enabled_; } | 91 bool enabled() const { return enabled_; } |
92 | 92 |
93 Delegate* delegate() { return delegate_; } | 93 Delegate* delegate() { return delegate_; } |
94 | 94 |
95 private: | 95 private: |
96 bool enabled_ = false; | 96 bool enabled_ = false; |
97 | 97 |
98 // Unowned pointer to the delegate. The delegate should outlive this instance. | 98 // Unowned pointer to the delegate. The delegate should outlive this instance. |
99 Delegate* delegate_; | 99 Delegate* delegate_; |
100 | 100 |
101 DISALLOW_COPY_AND_ASSIGN(PaletteTool); | 101 DISALLOW_COPY_AND_ASSIGN(PaletteTool); |
102 }; | 102 }; |
103 | 103 |
104 } // namespace ash | 104 } // namespace ash |
105 | 105 |
106 #endif // ASH_COMMON_SYSTEM_CHROMEOS_PALETTE_PALETTE_TOOL_H_ | 106 #endif // ASH_COMMON_SYSTEM_CHROMEOS_PALETTE_PALETTE_TOOL_H_ |
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