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
|
// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/views/theme_profile_key.h"
#include "base/memory/raw_ptr.h"
#include "base/scoped_observation.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_observer.h"
#include "ui/aura/window.h"
#include "ui/base/class_property.h"
namespace {
// A wrapper around Profile* that resets to nullptr when the Profile is
// destroyed, much like a WeakPtr. This is not thread-safe.
class ProfileTracker : public ProfileObserver {
public:
explicit ProfileTracker(Profile* profile) : profile_(profile) {
if (profile_)
observation_.Observe(profile_.get());
}
~ProfileTracker() override = default;
void OnProfileWillBeDestroyed(Profile* profile) override {
observation_.Reset();
profile_ = nullptr;
}
Profile* profile() { return profile_; }
private:
raw_ptr<Profile> profile_;
base::ScopedObservation<Profile, ProfileObserver> observation_{this};
};
} // namespace
DEFINE_UI_CLASS_PROPERTY_TYPE(ProfileTracker*)
DEFINE_OWNED_UI_CLASS_PROPERTY_KEY(ProfileTracker, kThemeProfileKey, nullptr)
void SetThemeProfileForWindow(aura::Window* window, Profile* profile) {
window->SetProperty(kThemeProfileKey,
std::make_unique<ProfileTracker>(profile));
}
Profile* GetThemeProfileForWindow(aura::Window* window) {
ProfileTracker* const tracker = window->GetProperty(kThemeProfileKey);
return tracker ? tracker->profile() : nullptr;
}
|
