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
ash / webui / help_app_ui / help_app_untrusted_ui.h [blame]
// Copyright 2020 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_WEBUI_HELP_APP_UI_HELP_APP_UNTRUSTED_UI_H_
#define ASH_WEBUI_HELP_APP_UI_HELP_APP_UNTRUSTED_UI_H_
#include "base/functional/callback.h"
#include "ui/webui/resources/cr_components/color_change_listener/color_change_listener.mojom.h"
#include "ui/webui/untrusted_web_ui_controller.h"
namespace ui {
class ColorChangeHandler;
}
namespace content {
class WebUIDataSource;
} // namespace content
namespace ash {
// The Web UI for chrome-untrusted://help-app.
class HelpAppUntrustedUI : public ui::UntrustedWebUIController {
public:
explicit HelpAppUntrustedUI(
content::WebUI* web_ui,
base::RepeatingCallback<void(content::WebUIDataSource*)>
populate_load_time_data_callback);
HelpAppUntrustedUI(const HelpAppUntrustedUI&) = delete;
HelpAppUntrustedUI& operator=(const HelpAppUntrustedUI&) = delete;
~HelpAppUntrustedUI() override;
// Binds a PageHandler to HelpAppUntrustedUI. This handler grabs a reference
// to the page and pushes a colorChangeEvent to the untrusted JS running there
// when the OS color scheme has changed.
void BindInterface(
mojo::PendingReceiver<color_change_listener::mojom::PageHandler>
receiver);
private:
WEB_UI_CONTROLLER_TYPE_DECL();
std::unique_ptr<ui::ColorChangeHandler> color_provider_handler_;
};
} // namespace ash
#endif // ASH_WEBUI_HELP_APP_UI_HELP_APP_UNTRUSTED_UI_H_