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
|
// Copyright 2025 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_TOP_CHROME_WEBUI_CONTENTS_PRELOAD_STATE_H_
#define CHROME_BROWSER_UI_WEBUI_TOP_CHROME_WEBUI_CONTENTS_PRELOAD_STATE_H_
#include <optional>
#include "base/time/time.h"
#include "content/public/browser/web_contents_user_data.h"
// This WebContentsUserData is attached to WebContents created by
// WebUIContentsPreloadManager. These WebContents are not tab contents, but
// WebContents hosted by WebUIContentsWrapper in bubbles, side panels, etc.
class WebUIContentsPreloadState
: public content::WebContentsUserData<WebUIContentsPreloadState> {
public:
// Whether the WebUI is (or was) preloaded.
bool preloaded = false;
// Whether the WebUI is ready to be shown. This is set to true when the WebUI
// calls TopChromeWebUIController::Embedder::ShowUI().
bool ready_to_show = false;
// The timeticks when Request() is called. If nullopt, the WebUI is not yet
// requested. A WebUI is considered foreground if and only if this is set.
std::optional<base::TimeTicks> request_time;
private:
WEB_CONTENTS_USER_DATA_KEY_DECL();
friend class content::WebContentsUserData<WebUIContentsPreloadState>;
explicit WebUIContentsPreloadState(content::WebContents* web_contents);
};
#endif // CHROME_BROWSER_UI_WEBUI_TOP_CHROME_WEBUI_CONTENTS_PRELOAD_STATE_H_
|
