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
|
// Copyright 2012 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_PREFS_PREFS_TAB_HELPER_H_
#define CHROME_BROWSER_UI_PREFS_PREFS_TAB_HELPER_H_
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "build/build_config.h"
#include "chrome/browser/font_pref_change_notifier.h"
#include "chrome/browser/themes/theme_service_observer.h"
#include "content/public/browser/web_contents_user_data.h"
#if !BUILDFLAG(IS_ANDROID)
#include "chrome/browser/ui/zoom/chrome_zoom_level_prefs.h"
#endif
class Profile;
namespace content {
class WebContents;
}
namespace user_prefs {
class PrefRegistrySyncable;
}
// Per-tab class to handle user preferences.
class PrefsTabHelper : public ThemeServiceObserver,
public content::WebContentsUserData<PrefsTabHelper> {
public:
PrefsTabHelper(const PrefsTabHelper&) = delete;
PrefsTabHelper& operator=(const PrefsTabHelper&) = delete;
~PrefsTabHelper() override;
static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry,
const std::string& locale);
static void GetServiceInstance();
protected:
// Update the RenderView's WebPreferences. Exposed as protected for testing.
virtual void UpdateWebPreferences();
private:
explicit PrefsTabHelper(content::WebContents* contents);
friend class content::WebContentsUserData<PrefsTabHelper>;
friend class PrefWatcher;
// ThemeServiceObserver overrides:
void OnThemeChanged() override;
// Update the WebContents's blink::RendererPreferences.
void UpdateRendererPreferences();
void OnFontFamilyPrefChanged(const std::string& pref_name);
void OnWebPrefChanged(const std::string& pref_name);
void NotifyWebkitPreferencesChanged(const std::string& pref_name);
raw_ptr<Profile> profile_;
#if !BUILDFLAG(IS_ANDROID)
base::CallbackListSubscription default_zoom_level_subscription_;
FontPrefChangeNotifier::Registrar font_change_registrar_;
#endif // !BUILDFLAG(IS_ANDROID)
base::WeakPtrFactory<PrefsTabHelper> weak_ptr_factory_{this};
WEB_CONTENTS_USER_DATA_KEY_DECL();
};
#endif // CHROME_BROWSER_UI_PREFS_PREFS_TAB_HELPER_H_
|
