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
|
// Copyright 2021 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.
#include "ui/base/interaction/element_tracker_mac.h"
#include <map>
#include <memory>
#include "base/logging.h"
#include "base/no_destructor.h"
#include "ui/base/interaction/element_identifier.h"
namespace ui {
DEFINE_FRAMEWORK_SPECIFIC_METADATA(TrackedElementMac)
TrackedElementMac::TrackedElementMac(ElementIdentifier identifier,
ElementContext context,
const gfx::Rect& screen_bounds)
: TrackedElement(identifier, context), screen_bounds_(screen_bounds) {}
TrackedElementMac::~TrackedElementMac() = default;
class ElementTrackerMac::ContextData {
public:
explicit ContextData(ElementContext context) : context_(context) {
DCHECK(context);
}
~ContextData() {
for (const auto& element : elements_) {
ui::ElementTracker::GetFrameworkDelegate()->NotifyElementHidden(
element.second.get());
}
}
ContextData(const ContextData& other) = delete;
void operator=(const ContextData& other) = delete;
void AddElement(ElementIdentifier identifier,
const gfx::Rect& screen_bounds) {
const auto result =
elements_.emplace(identifier, std::make_unique<TrackedElementMac>(
identifier, context_, screen_bounds));
DCHECK(result.second);
ui::ElementTracker::GetFrameworkDelegate()->NotifyElementShown(
result.first->second.get());
}
void ActivateElement(ElementIdentifier identifier) {
const auto it = elements_.find(identifier);
DCHECK(it != elements_.end());
ui::ElementTracker::GetFrameworkDelegate()->NotifyElementActivated(
it->second.get());
}
void HideElement(ElementIdentifier identifier) {
const auto it = elements_.find(identifier);
DCHECK(it != elements_.end());
ui::ElementTracker::GetFrameworkDelegate()->NotifyElementHidden(
it->second.get());
elements_.erase(it);
}
private:
const ElementContext context_;
std::map<ElementIdentifier, std::unique_ptr<TrackedElementMac>> elements_;
};
// static
ElementTrackerMac* ElementTrackerMac::GetInstance() {
static base::NoDestructor<ElementTrackerMac> instance;
return instance.get();
}
void ElementTrackerMac::NotifyMenuWillShow(NSMenu* menu,
ElementContext context) {
const auto result = root_menu_to_context_.emplace(menu, context);
DCHECK(result.second);
const auto result2 =
context_to_data_.emplace(context, std::make_unique<ContextData>(context));
DCHECK(result2.second);
}
void ElementTrackerMac::NotifyMenuDoneShowing(NSMenu* menu) {
const auto it = root_menu_to_context_.find(menu);
DCHECK(it != root_menu_to_context_.end());
const auto it2 = context_to_data_.find(it->second);
DCHECK(it2 != context_to_data_.end());
root_menu_to_context_.erase(it);
context_to_data_.erase(it2);
}
void ElementTrackerMac::NotifyMenuItemShown(NSMenu* menu,
ElementIdentifier identifier,
const gfx::Rect& screen_bounds) {
const ElementContext context = GetContextForMenu(menu);
if (context)
context_to_data_[context]->AddElement(identifier, screen_bounds);
}
void ElementTrackerMac::NotifyMenuItemActivated(NSMenu* menu,
ElementIdentifier identifier) {
const ElementContext context = GetContextForMenu(menu);
if (context)
context_to_data_[context]->ActivateElement(identifier);
}
void ElementTrackerMac::NotifyMenuItemHidden(NSMenu* menu,
ElementIdentifier identifier) {
const ElementContext context = GetContextForMenu(menu);
if (context)
context_to_data_[context]->HideElement(identifier);
}
NSMenu* ElementTrackerMac::GetRootMenuForContext(ElementContext context) {
for (auto [menu, menu_context] : root_menu_to_context_) {
if (menu_context == context)
return menu;
}
return nullptr;
}
ElementTrackerMac::ElementTrackerMac() = default;
ElementTrackerMac::~ElementTrackerMac() = default;
NSMenu* ElementTrackerMac::GetRootMenu(NSMenu* menu) const {
while ([menu supermenu])
menu = [menu supermenu];
return menu;
}
ElementContext ElementTrackerMac::GetContextForMenu(NSMenu* menu) const {
menu = GetRootMenu(menu);
const auto it = root_menu_to_context_.find(menu);
return it == root_menu_to_context_.end() ? ElementContext() : it->second;
}
} // namespace ui
|
