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1 // Copyright (c) 2016 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/browsing_data/media_licenses_counter.h" | |
6 | |
7 #include <stdint.h> | |
8 | |
9 #include "base/memory/ptr_util.h" | |
10 #include "base/memory/ref_counted.h" | |
11 #include "chrome/common/pref_names.h" | |
12 #include "content/public/browser/browser_thread.h" | |
13 #include "content/public/browser/storage_partition.h" | |
14 #include "storage/browser/fileapi/file_system_context.h" | |
15 | |
16 namespace { | |
17 | |
18 using OriginsDeterminedCB = base::Callback<void(const std::set<GURL>&)>; | |
19 | |
20 // Determining the origins must be run on the file task thread. This calls | |
21 // |callback| on the main thread with the results. | |
22 void CountOriginsOnFileTaskRunner( | |
23 scoped_refptr<storage::FileSystemContext> filesystem_context, | |
24 const OriginsDeterminedCB& callback) { | |
25 DCHECK(filesystem_context->default_file_task_runner() | |
26 ->RunsTasksOnCurrentThread()); | |
27 | |
28 storage::FileSystemBackend* backend = | |
29 filesystem_context->GetFileSystemBackend( | |
30 storage::kFileSystemTypePluginPrivate); | |
31 storage::FileSystemQuotaUtil* quota_util = backend->GetQuotaUtil(); | |
32 | |
33 std::set<GURL> origins; | |
34 quota_util->GetOriginsForTypeOnFileTaskRunner( | |
35 storage::kFileSystemTypePluginPrivate, &origins); | |
36 content::BrowserThread::PostTask(content::BrowserThread::UI, FROM_HERE, | |
37 base::Bind(callback, origins)); | |
38 } | |
39 | |
40 } // namespace | |
41 | |
42 MediaLicenseCounter::MediaLicenseResult::MediaLicenseResult( | |
43 const MediaLicenseCounter* source, | |
44 const std::set<GURL>& origins) | |
45 : FinishedResult(source, origins.size()) { | |
46 if (!origins.empty()) | |
47 one_origin_ = origins.begin()->GetOrigin().spec(); | |
48 } | |
49 | |
50 MediaLicenseCounter::MediaLicenseResult::~MediaLicenseResult() {} | |
51 | |
52 const std::string& MediaLicenseCounter::MediaLicenseResult::GetOneOrigin() | |
53 const { | |
54 return one_origin_; | |
55 } | |
56 | |
57 MediaLicenseCounter::MediaLicenseCounter() | |
58 : pref_name_(prefs::kDeleteMediaLicenses), weak_ptr_factory_(this) {} | |
59 | |
60 MediaLicenseCounter::~MediaLicenseCounter() {} | |
61 | |
62 const std::string& MediaLicenseCounter::GetPrefName() const { | |
63 return pref_name_; | |
64 } | |
65 | |
66 void MediaLicenseCounter::Count() { | |
67 DCHECK_CURRENTLY_ON(content::BrowserThread::UI); | |
68 scoped_refptr<storage::FileSystemContext> filesystem_context = | |
69 make_scoped_refptr( | |
70 content::BrowserContext::GetDefaultStoragePartition(GetProfile()) | |
71 ->GetFileSystemContext()); | |
72 filesystem_context->default_file_task_runner()->PostTask( | |
73 FROM_HERE, | |
74 base::Bind(&CountOriginsOnFileTaskRunner, | |
75 base::Passed(std::move(filesystem_context)), | |
michaeln
2016/06/21 20:23:41
This looks a little dicey, is it possible for the
jrummell
2016/06/23 02:48:55
Done.
| |
76 base::Bind(&MediaLicenseCounter::OnContentLicensesObtained, | |
77 weak_ptr_factory_.GetWeakPtr()))); | |
78 } | |
79 | |
80 void MediaLicenseCounter::OnContentLicensesObtained( | |
81 const std::set<GURL>& origins) { | |
82 DCHECK_CURRENTLY_ON(content::BrowserThread::UI); | |
83 ReportResult(base::WrapUnique(new MediaLicenseResult(this, origins))); | |
84 } | |
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