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1 // Copyright (c) 2011 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 "content/browser/appcache/appcache_network_service_handler.h" | |
6 #include "base/bind.h" | |
7 #include "base/logging.h" | |
8 #include "content/browser/appcache/appcache_entry.h" | |
9 #include "content/browser/appcache/appcache_host.h" | |
10 #include "content/browser/appcache/appcache_navigation_handle_core.h" | |
11 #include "content/browser/appcache/appcache_policy.h" | |
12 #include "content/browser/appcache/appcache_request.h" | |
13 #include "content/public/browser/browser_thread.h" | |
14 | |
15 namespace content { | |
16 | |
17 AppCacheNetworkServiceHandler::AppCacheNetworkServiceHandler( | |
18 std::unique_ptr<ResourceRequest> resource_request, | |
19 AppCacheNavigationHandleCore* navigation_handle_core, | |
20 base::Callback<void(mojom::URLLoaderFactoryPtrInfo, | |
21 std::unique_ptr<ResourceRequest>)> callback) | |
22 : resource_request_(std::move(resource_request)), | |
23 callback_(callback), | |
24 storage_(navigation_handle_core->host()->storage()), | |
25 host_(navigation_handle_core->host()) {} | |
26 | |
27 AppCacheNetworkServiceHandler::~AppCacheNetworkServiceHandler() {} | |
28 | |
29 void AppCacheNetworkServiceHandler::Start() { | |
30 storage_->FindResponseForMainRequest(resource_request_->url, GURL(), this); | |
31 } | |
32 | |
33 void AppCacheNetworkServiceHandler::OnMainResponseFound( | |
34 const GURL& url, | |
35 const AppCacheEntry& entry, | |
36 const GURL& fallback_url, | |
37 const AppCacheEntry& fallback_entry, | |
38 int64_t cache_id, | |
39 int64_t group_id, | |
40 const GURL& manifest_url) { | |
41 AppCachePolicy* policy = host_->service()->appcache_policy(); | |
42 bool was_blocked_by_policy = | |
43 !manifest_url.is_empty() && policy && | |
44 !policy->CanLoadAppCache(manifest_url, host_->first_party_url()); | |
45 | |
46 if (was_blocked_by_policy || !entry.has_response_id() || | |
47 cache_id == kAppCacheNoCacheId) { | |
48 BrowserThread::PostTask( | |
49 BrowserThread::UI, FROM_HERE, | |
50 base::Bind(callback_, | |
51 base::Passed(mojom::URLLoaderFactoryPtrInfo()), | |
52 base::Passed(std::move(resource_request_)))); | |
53 } else { | |
54 DLOG(WARNING) << "AppCache found for url " << url | |
55 << " falling back to network for now\n"; | |
56 // TODO(ananta) | |
57 // Pass a URLLoaderFactory pointer which supports serving URL requests from | |
58 // the cache. The other option is to create the loader directly here. | |
59 BrowserThread::PostTask( | |
60 BrowserThread::UI, FROM_HERE, | |
61 base::Bind(callback_, | |
62 base::Passed(mojom::URLLoaderFactoryPtrInfo()), | |
63 base::Passed(std::move(resource_request_)))); | |
64 } | |
65 delete this; | |
66 } | |
67 | |
68 } // namespace content | |
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