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Side by Side Diff: chrome/browser/plugin_data_remover_helper.cc

Issue 5278001: Add a preference to clear Flash LSO data in the Clear Browsing Data dialog. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 10 years, 1 month ago
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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "chrome/browser/plugin_data_remover_helper.h"
6
7 #include "base/ref_counted.h"
8 #include "chrome/browser/browser_thread.h"
9 #include "chrome/browser/plugin_data_remover.h"
10 #include "chrome/common/pref_names.h"
11 #include "chrome/browser/prefs/pref_service.h"
12 #include "chrome/browser/profile.h"
13
14 class PluginDataRemoverHelper::Internal
15 : public base::RefCountedThreadSafe<PluginDataRemoverHelper::Internal> {
16 public:
17 explicit Internal(const char* pref_name, PrefService* prefs)
18 : pref_name_(pref_name), prefs_(prefs) {}
19
20 void StartUpdate() {
21 BrowserThread::PostTask(
22 BrowserThread::FILE,
23 FROM_HERE,
24 NewRunnableMethod(
25 this,
26 &PluginDataRemoverHelper::Internal::UpdateOnFileThread));
27 }
28
29 void Invalidate() {
30 prefs_ = NULL;
31 }
32
33 private:
34 friend class base::RefCountedThreadSafe<Internal>;
35
36 ~Internal() {}
37
38 void UpdateOnFileThread() {
39 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
40 bool result = PluginDataRemover::IsSupported();
41 BrowserThread::PostTask(
42 BrowserThread::UI,
43 FROM_HERE,
44 NewRunnableMethod(this,
45 &PluginDataRemoverHelper::Internal::SetPrefOnUIThread,
46 result));
47 }
48
49 void SetPrefOnUIThread(bool value) {
50 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
51 if (prefs_)
52 prefs_->SetBoolean(pref_name_.c_str(), value);
53 }
54
55 std::string pref_name_;
56 // Weak pointer.
57 PrefService* prefs_;
58 };
jochen (gone - plz use gerrit) 2010/11/24 19:03:07 disallow copy and assign
Bernhard Bauer 2010/11/29 10:45:23 Done.
59
60 PluginDataRemoverHelper::PluginDataRemoverHelper() {}
61
62 PluginDataRemoverHelper::~PluginDataRemoverHelper() {
63 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
64 if (internal_)
65 internal_->Invalidate();
66 }
67
68 void PluginDataRemoverHelper::Init(const char* pref_name,
69 PrefService* prefs,
70 NotificationObserver* observer) {
71 pref_.Init(pref_name, prefs, observer);
72 internal_ = make_scoped_refptr(new Internal(pref_name, prefs));
73 internal_->StartUpdate();
74 }
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