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| 1 // Copyright 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 "base/task_runner_util.h" |
| 12 #include "chrome/common/pref_names.h" |
| 13 #include "content/public/browser/browser_thread.h" |
| 14 #include "content/public/browser/storage_partition.h" |
| 15 #include "storage/browser/fileapi/file_system_context.h" |
| 16 |
| 17 namespace { |
| 18 |
| 19 // Determining the origins must be run on the file task thread. |
| 20 std::set<GURL> CountOriginsOnFileTaskRunner( |
| 21 storage::FileSystemContext* filesystem_context) { |
| 22 DCHECK(filesystem_context->default_file_task_runner() |
| 23 ->RunsTasksOnCurrentThread()); |
| 24 |
| 25 storage::FileSystemBackend* backend = |
| 26 filesystem_context->GetFileSystemBackend( |
| 27 storage::kFileSystemTypePluginPrivate); |
| 28 storage::FileSystemQuotaUtil* quota_util = backend->GetQuotaUtil(); |
| 29 |
| 30 std::set<GURL> origins; |
| 31 quota_util->GetOriginsForTypeOnFileTaskRunner( |
| 32 storage::kFileSystemTypePluginPrivate, &origins); |
| 33 return origins; |
| 34 } |
| 35 |
| 36 } // namespace |
| 37 |
| 38 MediaLicensesCounter::MediaLicenseResult::MediaLicenseResult( |
| 39 const MediaLicensesCounter* source, |
| 40 const std::set<GURL>& origins) |
| 41 : FinishedResult(source, origins.size()) { |
| 42 if (!origins.empty()) |
| 43 one_origin_ = origins.begin()->GetOrigin().host(); |
| 44 } |
| 45 |
| 46 MediaLicensesCounter::MediaLicenseResult::~MediaLicenseResult() {} |
| 47 |
| 48 const std::string& MediaLicensesCounter::MediaLicenseResult::GetOneOrigin() |
| 49 const { |
| 50 return one_origin_; |
| 51 } |
| 52 |
| 53 MediaLicensesCounter::MediaLicensesCounter() |
| 54 : pref_name_(prefs::kDeleteMediaLicenses), weak_ptr_factory_(this) {} |
| 55 |
| 56 MediaLicensesCounter::~MediaLicensesCounter() {} |
| 57 |
| 58 const std::string& MediaLicensesCounter::GetPrefName() const { |
| 59 return pref_name_; |
| 60 } |
| 61 |
| 62 void MediaLicensesCounter::Count() { |
| 63 DCHECK_CURRENTLY_ON(content::BrowserThread::UI); |
| 64 scoped_refptr<storage::FileSystemContext> filesystem_context = |
| 65 make_scoped_refptr( |
| 66 content::BrowserContext::GetDefaultStoragePartition(GetProfile()) |
| 67 ->GetFileSystemContext()); |
| 68 base::PostTaskAndReplyWithResult( |
| 69 filesystem_context->default_file_task_runner(), FROM_HERE, |
| 70 base::Bind(&CountOriginsOnFileTaskRunner, |
| 71 base::RetainedRef(filesystem_context)), |
| 72 base::Bind(&MediaLicensesCounter::OnContentLicensesObtained, |
| 73 weak_ptr_factory_.GetWeakPtr())); |
| 74 } |
| 75 |
| 76 void MediaLicensesCounter::OnContentLicensesObtained( |
| 77 const std::set<GURL>& origins) { |
| 78 DCHECK_CURRENTLY_ON(content::BrowserThread::UI); |
| 79 ReportResult(base::WrapUnique(new MediaLicenseResult(this, origins))); |
| 80 } |
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