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
|
// Copyright 2022 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_PROFILES_PROFILE_CUSTOMIZATION_SYNCED_THEME_WAITER_H_
#define CHROME_BROWSER_UI_PROFILES_PROFILE_CUSTOMIZATION_SYNCED_THEME_WAITER_H_
#include "base/dcheck_is_on.h"
#include "base/functional/callback_forward.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/scoped_observation.h"
#include "chrome/browser/themes/theme_service.h"
#include "chrome/browser/themes/theme_service_observer.h"
#include "chrome/browser/themes/theme_syncable_service.h"
#include "components/sync/service/sync_service.h"
#include "components/sync/service/sync_service_observer.h"
// Helper class to delay showing the profile customization until the synced
// theme is applied.
// This object is intended for one time use and must be destroyed after
// `callback` is called.
class ProfileCustomizationSyncedThemeWaiter
: public syncer::SyncServiceObserver,
public ThemeSyncableService::Observer,
public ThemeServiceObserver {
public:
enum class Outcome {
// Either a theme was applied (successfully or not) or there was no theme
// stored on the sync server.
kSyncSuccess,
// Theme cannot be synced.
kSyncCannotStart,
// Sync passphrase is required.
kSyncPassphraseRequired,
// Theme wasn't synced within timeout.
kTimeout,
};
ProfileCustomizationSyncedThemeWaiter(
syncer::SyncService* sync_service,
ThemeService* theme_service,
base::OnceCallback<void(Outcome)> callback);
~ProfileCustomizationSyncedThemeWaiter() override;
// Returns whether theme sync can start (i.e. is not disabled by policy,
// theme sync is enabled, ...).
static bool CanThemeSyncStart(syncer::SyncService* sync_service);
// Notifies `callback_` after a synced theme has been applied or a timeout has
// expired. Must not be called more than once.
void Run();
// SyncServiceObserver:
void OnStateChanged(syncer::SyncService* sync) override;
// ThemeSyncableService::Observer:
void OnThemeSyncStarted(ThemeSyncableService::ThemeSyncState state) override;
// ThemeServiceObserver:
void OnThemeChanged() override;
private:
void OnTimeout();
// Returns `false` and invokes `callback_` with a corresponding outcome if not
// all preconditions are fulfilled to start the theme sync.
bool CheckThemeSyncPreconditions();
// Invokes `callback_` with `outcome` parameter. Also resets all active
// observations. `this` may be destroyed after this call.
void InvokeCallback(Outcome outcome);
const raw_ptr<syncer::SyncService> sync_service_;
const raw_ptr<ThemeService> theme_service_;
base::OnceCallback<void(Outcome)> callback_;
#if DCHECK_IS_ON()
bool is_running_ = false;
#endif // DCHECK_IS_ON()
base::ScopedObservation<syncer::SyncService, syncer::SyncServiceObserver>
sync_observation_{this};
base::ScopedObservation<ThemeSyncableService, ThemeSyncableService::Observer>
theme_sync_observation_{this};
base::ScopedObservation<ThemeService, ThemeServiceObserver>
theme_observation_{this};
base::WeakPtrFactory<class ProfileCustomizationSyncedThemeWaiter>
weak_ptr_factory_{this};
};
#endif // CHROME_BROWSER_UI_PROFILES_PROFILE_CUSTOMIZATION_SYNCED_THEME_WAITER_H_
|
