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Side by Side Diff: content/browser/browsing_data/conditional_cache_deletion_helper.cc

Issue 2757923002: Move StoragePartitionHttpCacheDataRemover to content/ (Closed)
Patch Set: Rebase. Created 3 years, 8 months ago
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1 // Copyright 2016 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "components/browsing_data/content/conditional_cache_deletion_helper.h" 5 #include "content/browser/browsing_data/conditional_cache_deletion_helper.h"
6 6
7 #include "base/callback.h" 7 #include "base/callback.h"
8 #include "base/location.h" 8 #include "base/location.h"
9 #include "base/single_thread_task_runner.h" 9 #include "base/single_thread_task_runner.h"
10 #include "base/threading/thread_task_runner_handle.h" 10 #include "base/threading/thread_task_runner_handle.h"
11 #include "content/public/browser/browser_thread.h" 11 #include "content/public/browser/browser_thread.h"
12 12
13 namespace { 13 namespace {
14 14
15 bool EntryPredicateFromURLsAndTime( 15 bool EntryPredicateFromURLsAndTime(
16 const base::Callback<bool(const GURL&)>& url_predicate, 16 const base::Callback<bool(const GURL&)>& url_predicate,
17 const base::Time& begin_time, 17 const base::Time& begin_time,
18 const base::Time& end_time, 18 const base::Time& end_time,
19 const disk_cache::Entry* entry) { 19 const disk_cache::Entry* entry) {
20 return (entry->GetLastUsed() >= begin_time && 20 return (entry->GetLastUsed() >= begin_time &&
21 entry->GetLastUsed() < end_time && 21 entry->GetLastUsed() < end_time &&
22 url_predicate.Run(GURL(entry->GetKey()))); 22 url_predicate.Run(GURL(entry->GetKey())));
23 } 23 }
24 24
25 } // namespace 25 } // namespace
26 26
27 namespace browsing_data { 27 namespace content {
28 28
29 ConditionalCacheDeletionHelper::ConditionalCacheDeletionHelper( 29 ConditionalCacheDeletionHelper::ConditionalCacheDeletionHelper(
30 disk_cache::Backend* cache, 30 disk_cache::Backend* cache,
31 const base::Callback<bool(const disk_cache::Entry*)>& condition) 31 const base::Callback<bool(const disk_cache::Entry*)>& condition)
32 : cache_(cache), 32 : cache_(cache),
33 condition_(condition), 33 condition_(condition),
34 current_entry_(nullptr), 34 current_entry_(nullptr),
35 previous_entry_(nullptr) { 35 previous_entry_(nullptr) {
36 DCHECK_CURRENTLY_ON(content::BrowserThread::IO); 36 DCHECK_CURRENTLY_ON(BrowserThread::IO);
37 } 37 }
38 38
39 // static 39 // static
40 base::Callback<bool(const disk_cache::Entry*)> 40 base::Callback<bool(const disk_cache::Entry*)>
41 ConditionalCacheDeletionHelper::CreateURLAndTimeCondition( 41 ConditionalCacheDeletionHelper::CreateURLAndTimeCondition(
42 const base::Callback<bool(const GURL&)>& url_predicate, 42 const base::Callback<bool(const GURL&)>& url_predicate,
43 const base::Time& begin_time, 43 const base::Time& begin_time,
44 const base::Time& end_time) { 44 const base::Time& end_time) {
45 return base::Bind( 45 return base::Bind(&EntryPredicateFromURLsAndTime, url_predicate,
46 &EntryPredicateFromURLsAndTime, 46 begin_time.is_null() ? base::Time() : begin_time,
47 url_predicate, 47 end_time.is_null() ? base::Time::Max() : end_time);
48 begin_time.is_null() ? base::Time() : begin_time,
49 end_time.is_null() ? base::Time::Max() : end_time);
50 } 48 }
51 49
52 int ConditionalCacheDeletionHelper::DeleteAndDestroySelfWhenFinished( 50 int ConditionalCacheDeletionHelper::DeleteAndDestroySelfWhenFinished(
53 const net::CompletionCallback& completion_callback) { 51 const net::CompletionCallback& completion_callback) {
54 DCHECK_CURRENTLY_ON(content::BrowserThread::IO); 52 DCHECK_CURRENTLY_ON(BrowserThread::IO);
55 53
56 completion_callback_ = completion_callback; 54 completion_callback_ = completion_callback;
57 iterator_ = cache_->CreateIterator(); 55 iterator_ = cache_->CreateIterator();
58 56
59 IterateOverEntries(net::OK); 57 IterateOverEntries(net::OK);
60 return net::ERR_IO_PENDING; 58 return net::ERR_IO_PENDING;
61 } 59 }
62 60
63 ConditionalCacheDeletionHelper::~ConditionalCacheDeletionHelper() { 61 ConditionalCacheDeletionHelper::~ConditionalCacheDeletionHelper() {}
64 }
65 62
66 void ConditionalCacheDeletionHelper::IterateOverEntries(int error) { 63 void ConditionalCacheDeletionHelper::IterateOverEntries(int error) {
67 while (error != net::ERR_IO_PENDING) { 64 while (error != net::ERR_IO_PENDING) {
68 // If the entry obtained in the previous iteration matches the condition, 65 // If the entry obtained in the previous iteration matches the condition,
69 // mark it for deletion. The iterator is already one step forward, so it 66 // mark it for deletion. The iterator is already one step forward, so it
70 // won't be invalidated. Always close the previous entry so it does not 67 // won't be invalidated. Always close the previous entry so it does not
71 // leak. 68 // leak.
72 if (previous_entry_) { 69 if (previous_entry_) {
73 if (condition_.Run(previous_entry_)) 70 if (condition_.Run(previous_entry_))
74 previous_entry_->Doom(); 71 previous_entry_->Doom();
(...skipping 11 matching lines...) Expand all
86 } 83 }
87 84
88 previous_entry_ = current_entry_; 85 previous_entry_ = current_entry_;
89 error = iterator_->OpenNextEntry( 86 error = iterator_->OpenNextEntry(
90 &current_entry_, 87 &current_entry_,
91 base::Bind(&ConditionalCacheDeletionHelper::IterateOverEntries, 88 base::Bind(&ConditionalCacheDeletionHelper::IterateOverEntries,
92 base::Unretained(this))); 89 base::Unretained(this)));
93 } 90 }
94 } 91 }
95 92
96 } // namespace browsing_data 93 } // namespace content
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