blob: 9c9de9732cf290663058596e92547ab0a1c2c1ac (
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
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
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
// Copyright 2016 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_WM_HELPER_H_
#define COMPONENTS_EXO_WM_HELPER_H_
#include <memory>
#include <vector>
#include "base/macros.h"
#include "base/observer_list.h"
#include "base/time/time.h"
#include "ui/aura/client/drag_drop_delegate.h"
#include "ui/base/cursor/cursor.h"
namespace aura {
class Window;
namespace client {
class CaptureClient;
class CursorClient;
class FocusChangeObserver;
} // namespace client
} // namespace aura
namespace wm {
class ActivationChangeObserver;
}
namespace display {
class ManagedDisplayInfo;
class ManagedDisplayMode;
}
namespace ui {
class EventHandler;
class DropTargetEvent;
} // namespace ui
namespace wm {
class ActivationChangeObserver;
}
namespace exo {
class VSyncTimingManager;
// Helper interface for accessing WindowManager related features.
class WMHelper : public aura::client::DragDropDelegate {
public:
class DragDropObserver {
public:
virtual void OnDragEntered(const ui::DropTargetEvent& event) = 0;
virtual int OnDragUpdated(const ui::DropTargetEvent& event) = 0;
virtual void OnDragExited() = 0;
virtual int OnPerformDrop(const ui::DropTargetEvent& event) = 0;
protected:
virtual ~DragDropObserver() {}
};
// Used to notify objects when WMHelper is being destroyed. This allows
// objects that wait for various external depenencies to cleanup as part of
// the shutdown process.
class LifetimeManager {
public:
class Observer : public base::CheckedObserver {
public:
~Observer() override = default;
virtual void OnDestroyed() = 0;
};
LifetimeManager();
~LifetimeManager();
void AddObserver(Observer* observer);
void RemoveObserver(Observer* observer);
private:
base::ObserverList<Observer> observers_;
DISALLOW_COPY_AND_ASSIGN(LifetimeManager);
};
WMHelper();
~WMHelper() override;
static void SetInstance(WMHelper* helper);
static WMHelper* GetInstance();
static bool HasInstance();
virtual void AddActivationObserver(
wm::ActivationChangeObserver* observer) = 0;
virtual void RemoveActivationObserver(
wm::ActivationChangeObserver* observer) = 0;
virtual void AddFocusObserver(
aura::client::FocusChangeObserver* observer) = 0;
virtual void RemoveFocusObserver(
aura::client::FocusChangeObserver* observer) = 0;
virtual void AddDragDropObserver(DragDropObserver* observer) = 0;
virtual void RemoveDragDropObserver(DragDropObserver* observer) = 0;
virtual void SetDragDropDelegate(aura::Window*) = 0;
virtual void ResetDragDropDelegate(aura::Window*) = 0;
virtual VSyncTimingManager& GetVSyncTimingManager() = 0;
virtual const display::ManagedDisplayInfo& GetDisplayInfo(
int64_t display_id) const = 0;
virtual const std::vector<uint8_t>& GetDisplayIdentificationData(
int64_t display_id) const = 0;
virtual bool GetActiveModeForDisplayId(
int64_t display_id,
display::ManagedDisplayMode* mode) const = 0;
virtual aura::Window* GetPrimaryDisplayContainer(int container_id) = 0;
virtual aura::Window* GetActiveWindow() const = 0;
virtual aura::Window* GetFocusedWindow() const = 0;
virtual aura::Window* GetRootWindowForNewWindows() const = 0;
virtual aura::client::CursorClient* GetCursorClient() = 0;
virtual void AddPreTargetHandler(ui::EventHandler* handler) = 0;
virtual void PrependPreTargetHandler(ui::EventHandler* handler) = 0;
virtual void RemovePreTargetHandler(ui::EventHandler* handler) = 0;
virtual void AddPostTargetHandler(ui::EventHandler* handler) = 0;
virtual void RemovePostTargetHandler(ui::EventHandler* handler) = 0;
virtual bool InTabletMode() const = 0;
virtual double GetDefaultDeviceScaleFactor() const = 0;
virtual void SetImeBlocked(aura::Window* window, bool ime_blocked) = 0;
virtual bool IsImeBlocked(aura::Window* window) const = 0;
virtual LifetimeManager* GetLifetimeManager() = 0;
virtual aura::client::CaptureClient* GetCaptureClient() = 0;
// Overridden from aura::client::DragDropDelegate:
void OnDragEntered(const ui::DropTargetEvent& event) override = 0;
int OnDragUpdated(const ui::DropTargetEvent& event) override = 0;
void OnDragExited() override = 0;
int OnPerformDrop(const ui::DropTargetEvent& event,
std::unique_ptr<ui::OSExchangeData> data) override = 0;
protected:
DISALLOW_COPY_AND_ASSIGN(WMHelper);
};
} // namespace exo
#endif // COMPONENTS_EXO_WM_HELPER_H_
|
