1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_SYSTEM_PALETTE_PALETTE_TOOL_MANAGER_H_
#define ASH_SYSTEM_PALETTE_PALETTE_TOOL_MANAGER_H_
#include <map>
#include <memory>
#include <vector>
#include "ash/ash_export.h"
#include "ash/system/palette/palette_ids.h"
#include "ash/system/palette/palette_tool.h"
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
namespace aura {
class Window;
}
namespace views {
class View;
}
namespace ash {
class PaletteTool;
enum class PaletteGroup;
enum class PaletteToolId;
struct ASH_EXPORT PaletteToolView {
PaletteGroup group;
PaletteToolId tool_id;
raw_ptr<views::View> view;
};
class ASH_EXPORT PaletteToolManager : public PaletteTool::Delegate {
public:
class Delegate {
public:
// Hide the palette (if shown).
virtual void HidePalette() = 0;
// Hide the palette immediately, ie, do not display a hide animation.
virtual void HidePaletteImmediately() = 0;
// Called when the active tool has changed.
virtual void OnActiveToolChanged() = 0;
// Return the window associated with this palette.
virtual aura::Window* GetWindow() = 0;
protected:
virtual ~Delegate() {}
};
// Creates the tool manager.
explicit PaletteToolManager(Delegate* delegate);
PaletteToolManager(const PaletteToolManager&) = delete;
PaletteToolManager& operator=(const PaletteToolManager&) = delete;
~PaletteToolManager() override;
// Returns true if the given tool has been added to the tool manager.
bool HasTool(PaletteToolId tool_id);
// Adds the given |tool| to the tool manager. The tool is assumed to be in a
// deactivated state. This class takes ownership over |tool|.
void AddTool(std::unique_ptr<PaletteTool> tool);
// Activates tool_id and deactivates any other active tool in the same
// group as tool_id.
void ActivateTool(PaletteToolId tool_id);
// Deactivates the given tool.
void DeactivateTool(PaletteToolId tool_id);
// Returns true if the given tool is active.
bool IsToolActive(PaletteToolId tool_id);
// Returns the active tool for the given group.
PaletteToolId GetActiveTool(PaletteGroup group);
// Fetch the active tray icon for the given tool. Returns an empty icon if
// not available.
const gfx::VectorIcon& GetActiveTrayIcon(PaletteToolId tool_id) const;
// Create views for all of the registered mode tools.
std::vector<PaletteToolView> CreateViews();
// Called when the views returned by CreateViews have been destroyed. This
// should clear any (now) stale references.
void NotifyViewsDestroyed();
// Helper method to disable any active tool in the given |group|.
void DisableActiveTool(PaletteGroup group);
private:
// PaleteTool::Delegate overrides.
void EnableTool(PaletteToolId tool_id) override;
void DisableTool(PaletteToolId tool_id) override;
void HidePalette() override;
void HidePaletteImmediately() override;
aura::Window* GetWindow() override;
PaletteTool* FindToolById(PaletteToolId tool_id) const;
// Unowned pointer to the delegate to provide external functionality.
raw_ptr<Delegate> delegate_;
// Unowned pointer to the active tool / group.
std::map<PaletteGroup, raw_ptr<PaletteTool, CtnExperimental>> active_tools_;
// Owned list of all tools.
std::vector<std::unique_ptr<PaletteTool>> tools_;
};
} // namespace ash
#endif // ASH_SYSTEM_PALETTE_PALETTE_TOOL_MANAGER_H_
|
