blob: 51d308461c64d6e0c127f229043d6cdf7b923865 (
plain)
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
|
// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_EXO_KEYBOARD_H_
#define COMPONENTS_EXO_KEYBOARD_H_
#include <vector>
#include "base/macros.h"
#include "components/exo/surface_observer.h"
#include "ui/aura/client/focus_change_observer.h"
#include "ui/events/event_handler.h"
namespace ui {
enum class DomCode;
class Event;
class KeyEvent;
}
namespace exo {
class KeyboardDelegate;
class Surface;
// This class implements a client keyboard that represents one or more keyboard
// devices.
class Keyboard : public ui::EventHandler,
public aura::client::FocusChangeObserver,
public SurfaceObserver {
public:
explicit Keyboard(KeyboardDelegate* delegate);
~Keyboard() override;
// Overridden from ui::EventHandler:
void OnKeyEvent(ui::KeyEvent* event) override;
// Overridden aura::client::FocusChangeObserver:
void OnWindowFocused(aura::Window* gained_focus,
aura::Window* lost_focus) override;
// Overridden from SurfaceObserver:
void OnSurfaceDestroying(Surface* surface) override;
private:
// Returns the effective focus for |window|.
Surface* GetEffectiveFocus(aura::Window* window) const;
// The delegate instance that all events are dispatched to.
KeyboardDelegate* delegate_;
// The current focus surface for the keyboard.
Surface* focus_;
// Vector of currently pressed keys.
std::vector<ui::DomCode> pressed_keys_;
// Current set of modifier flags.
int modifier_flags_;
DISALLOW_COPY_AND_ASSIGN(Keyboard);
};
} // namespace exo
#endif // COMPONENTS_EXO_KEYBOARD_H_
|
