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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef ASH_COMMON_SYSTEM_CHROMEOS_PALETTE_PALETTE_TOOL_MANAGER_H_ | |
6 #define ASH_COMMON_SYSTEM_CHROMEOS_PALETTE_PALETTE_TOOL_MANAGER_H_ | |
7 | |
8 #include <map> | |
9 #include <memory> | |
10 #include <vector> | |
11 | |
12 #include "ash/ash_export.h" | |
13 #include "ash/common/system/chromeos/palette/palette_ids.h" | |
14 #include "ash/common/system/chromeos/palette/palette_tool.h" | |
15 #include "base/callback.h" | |
16 #include "base/macros.h" | |
17 | |
18 namespace views { | |
19 class View; | |
20 } | |
21 | |
22 namespace ash { | |
23 | |
24 class PaletteTool; | |
25 enum class PaletteGroup; | |
26 enum class PaletteToolId; | |
27 class WmWindow; | |
28 | |
29 struct ASH_EXPORT PaletteToolView { | |
30 PaletteGroup group; | |
31 PaletteToolId tool_id; | |
32 views::View* view; | |
33 }; | |
34 | |
35 class ASH_EXPORT PaletteToolManager : public PaletteTool::Delegate { | |
36 public: | |
37 class Delegate { | |
38 public: | |
39 Delegate() {} | |
40 virtual ~Delegate() {} | |
41 | |
42 // Hide the palette (if shown). | |
43 virtual void HidePalette() = 0; | |
44 | |
45 // Hide the palette immediately, ie, do not display a hide animation. | |
46 virtual void HidePaletteImmediately() = 0; | |
47 | |
48 // Called when the active tool has changed. | |
49 virtual void OnActiveToolChanged() = 0; | |
50 | |
51 // Return the window associated with this palette. | |
52 virtual WmWindow* GetWindow() = 0; | |
53 | |
54 // Record usage of each pen palette option. | |
55 virtual void RecordPaletteOptionsUsage(ash::PaletteTrayOptions option) = 0; | |
56 | |
57 // Record mode cancellation of pen palette. | |
58 virtual void RecordPaletteModeCancellation(PaletteModeCancelType type) = 0; | |
59 | |
60 private: | |
61 DISALLOW_COPY_AND_ASSIGN(Delegate); | |
62 }; | |
63 | |
64 // Creates the tool manager. | |
65 PaletteToolManager(Delegate* delegate); | |
66 ~PaletteToolManager() override; | |
67 | |
68 // Adds the given |tool| to the tool manager. The tool is assumed to be in a | |
69 // deactivated state. This class takes ownership over |tool|. | |
70 void AddTool(std::unique_ptr<PaletteTool> tool); | |
71 | |
72 // Activates tool_id and deactivates any other active tool in the same | |
73 // group as tool_id. | |
74 void ActivateTool(PaletteToolId tool_id); | |
75 | |
76 // Deactivates the given tool. | |
77 void DeactivateTool(PaletteToolId tool_id); | |
78 | |
79 // Returns true if the given tool is active. | |
80 bool IsToolActive(PaletteToolId tool_id); | |
81 | |
82 // Returns the active tool for the given group. | |
83 PaletteToolId GetActiveTool(PaletteGroup group); | |
84 | |
85 // Fetch the active tray icon for the given tool. Returns | |
86 // gfx::VectorIconId::VECTOR_ICON_NONE if not available. | |
87 const gfx::VectorIcon& GetActiveTrayIcon(PaletteToolId tool_id) const; | |
88 | |
89 // Create views for all of the registered tools. | |
90 std::vector<PaletteToolView> CreateViews(); | |
91 | |
92 // Called when the views returned by CreateViews have been destroyed. This | |
93 // should clear any (now) stale references. | |
94 void NotifyViewsDestroyed(); | |
95 | |
96 // Helper method to disable any active tool in the given |group|. | |
97 void DisableActiveTool(PaletteGroup group); | |
98 | |
99 private: | |
100 // PaleteTool::Delegate overrides. | |
101 void EnableTool(PaletteToolId tool_id) override; | |
102 void DisableTool(PaletteToolId tool_id) override; | |
103 void HidePalette() override; | |
104 void HidePaletteImmediately() override; | |
105 WmWindow* GetWindow() override; | |
106 void RecordPaletteOptionsUsage(ash::PaletteTrayOptions option) override; | |
107 void RecordPaletteModeCancellation(PaletteModeCancelType type) override; | |
108 | |
109 PaletteTool* FindToolById(PaletteToolId tool_id) const; | |
110 | |
111 // Unowned pointer to the delegate to provide external functionality. | |
112 Delegate* delegate_; | |
113 | |
114 // Unowned pointer to the active tool / group. | |
115 std::map<PaletteGroup, PaletteTool*> active_tools_; | |
116 | |
117 // Owned list of all tools. | |
118 std::vector<std::unique_ptr<PaletteTool>> tools_; | |
119 | |
120 DISALLOW_COPY_AND_ASSIGN(PaletteToolManager); | |
121 }; | |
122 | |
123 } // namespace ash | |
124 | |
125 #endif // ASH_COMMON_SYSTEM_CHROMEOS_PALETTE_PALETTE_TOOL_MANAGER_H_ | |
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