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
|
// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_WEBUI_ACCESSIBILITY_ACCESSIBILITY_UI_H_
#define CHROME_BROWSER_UI_WEBUI_ACCESSIBILITY_ACCESSIBILITY_UI_H_
#include <memory>
#include <string>
#include <vector>
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/values.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/browser/web_ui_controller.h"
#include "content/public/browser/web_ui_data_source.h"
#include "content/public/browser/web_ui_message_handler.h"
#include "content/public/browser/webui_config.h"
#include "ui/accessibility/platform/inspect/ax_api_type.h"
namespace ui {
struct AXUpdatesAndEvents;
}
namespace content {
class WebContents;
} // namespace content
namespace user_prefs {
class PrefRegistrySyncable;
} // namespace user_prefs
class AccessibilityUI;
class AccessibilityUIConfig
: public content::DefaultWebUIConfig<AccessibilityUI> {
public:
AccessibilityUIConfig();
~AccessibilityUIConfig() override;
};
// Controls the accessibility web UI page.
class AccessibilityUI : public content::WebUIController {
public:
explicit AccessibilityUI(content::WebUI* web_ui);
~AccessibilityUI() override;
};
// Observes accessibility events from web contents.
class AccessibilityUIObserver : public content::WebContentsObserver {
public:
AccessibilityUIObserver(content::WebContents* web_contents,
std::vector<std::string>* event_logs);
~AccessibilityUIObserver() override;
void AccessibilityEventReceived(
const ui::AXUpdatesAndEvents& details) override;
private:
raw_ptr<std::vector<std::string>> event_logs_;
};
// Manages messages sent from accessibility.js via json.
class AccessibilityUIMessageHandler : public content::WebUIMessageHandler {
public:
AccessibilityUIMessageHandler();
AccessibilityUIMessageHandler(const AccessibilityUIMessageHandler&) = delete;
AccessibilityUIMessageHandler& operator=(
const AccessibilityUIMessageHandler&) = delete;
~AccessibilityUIMessageHandler() override;
void RegisterMessages() override;
static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
private:
void ToggleAccessibilityForWebContents(const base::Value::List& args);
void SetGlobalFlag(const base::Value::List& args);
void SetGlobalString(const base::Value::List& args);
void GetRequestTypeAndFilters(const base::Value::Dict& data,
std::string& request_type,
std::string& allow,
std::string& allow_empty,
std::string& deny);
void RequestWebContentsTree(const base::Value::List& args);
void RequestNativeUITree(const base::Value::List& args);
void RequestWidgetsTree(const base::Value::List& args);
void RequestAccessibilityEvents(const base::Value::List& args);
void Callback(const std::string&);
void StopRecording(content::WebContents* web_contents);
// Returns the user-set API type. or the platform's default recording type if
// the user-set type is not supported.
ui::AXApiType::Type GetRecordingApiType();
std::vector<std::string> event_logs_;
std::unique_ptr<AccessibilityUIObserver> observer_;
base::WeakPtrFactory<AccessibilityUIMessageHandler> weak_ptr_factory_{this};
};
#endif // CHROME_BROWSER_UI_WEBUI_ACCESSIBILITY_ACCESSIBILITY_UI_H_
|
