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Side by Side Diff: content/browser/loader/resource_message_filter.h

Issue 393133002: Migrate HostZoomMap to live in StoragePartition. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Address comments; patch for landing. Created 6 years, 1 month ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 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 #ifndef CONTENT_BROWSER_LOADER_RESOURCE_MESSAGE_FILTER_H_ 5 #ifndef CONTENT_BROWSER_LOADER_RESOURCE_MESSAGE_FILTER_H_
6 #define CONTENT_BROWSER_LOADER_RESOURCE_MESSAGE_FILTER_H_ 6 #define CONTENT_BROWSER_LOADER_RESOURCE_MESSAGE_FILTER_H_
7 7
8 #include "base/callback_forward.h" 8 #include "base/callback_forward.h"
9 #include "base/memory/scoped_ptr.h" 9 #include "base/memory/scoped_ptr.h"
10 #include "base/memory/weak_ptr.h" 10 #include "base/memory/weak_ptr.h"
11 #include "content/common/content_export.h" 11 #include "content/common/content_export.h"
12 #include "content/public/browser/browser_message_filter.h" 12 #include "content/public/browser/browser_message_filter.h"
13 #include "content/public/common/resource_type.h" 13 #include "content/public/common/resource_type.h"
14 14
15 struct ResourceHostMsg_Request; 15 struct ResourceHostMsg_Request;
16 16
17 namespace storage { 17 namespace storage {
18 class FileSystemContext; 18 class FileSystemContext;
19 } // namespace storage 19 } // namespace storage
20 20
21 namespace net { 21 namespace net {
22 class URLRequestContext; 22 class URLRequestContext;
23 } // namespace net 23 } // namespace net
24 24
25 25
26 namespace content { 26 namespace content {
27 class ChromeAppCacheService; 27 class ChromeAppCacheService;
28 class ChromeBlobStorageContext; 28 class ChromeBlobStorageContext;
29 class HostZoomLevelContext;
30 class HostZoomMap;
29 class ResourceContext; 31 class ResourceContext;
30 class ServiceWorkerContextWrapper; 32 class ServiceWorkerContextWrapper;
31 33
32 // This class filters out incoming IPC messages for network requests and 34 // This class filters out incoming IPC messages for network requests and
33 // processes them on the IPC thread. As a result, network requests are not 35 // processes them on the IPC thread. As a result, network requests are not
34 // delayed by costly UI processing that may be occuring on the main thread of 36 // delayed by costly UI processing that may be occuring on the main thread of
35 // the browser. It also means that any hangs in starting a network request 37 // the browser. It also means that any hangs in starting a network request
36 // will not interfere with browser UI. 38 // will not interfere with browser UI.
37 class CONTENT_EXPORT ResourceMessageFilter : public BrowserMessageFilter { 39 class CONTENT_EXPORT ResourceMessageFilter : public BrowserMessageFilter {
38 public: 40 public:
39 typedef base::Callback<void(const ResourceHostMsg_Request&, 41 typedef base::Callback<void(const ResourceHostMsg_Request&,
40 ResourceContext**, 42 ResourceContext**,
41 net::URLRequestContext**)> GetContextsCallback; 43 net::URLRequestContext**)> GetContextsCallback;
42 44
43 // |appcache_service|, |blob_storage_context|, |file_system_context| may be 45 // |appcache_service|, |blob_storage_context|, |file_system_context| may be
44 // NULL in unittests or for requests from the (NPAPI) plugin process. 46 // NULL in unittests or for requests from the (NPAPI) plugin process.
45 ResourceMessageFilter(int child_id, 47 ResourceMessageFilter(int child_id,
46 int process_type, 48 int process_type,
47 ChromeAppCacheService* appcache_service, 49 ChromeAppCacheService* appcache_service,
48 ChromeBlobStorageContext* blob_storage_context, 50 ChromeBlobStorageContext* blob_storage_context,
49 storage::FileSystemContext* file_system_context, 51 storage::FileSystemContext* file_system_context,
50 ServiceWorkerContextWrapper* service_worker_context, 52 ServiceWorkerContextWrapper* service_worker_context,
53 HostZoomLevelContext* host_zoom_level_context,
51 const GetContextsCallback& get_contexts_callback); 54 const GetContextsCallback& get_contexts_callback);
52 55
53 // BrowserMessageFilter implementation. 56 // BrowserMessageFilter implementation.
54 void OnChannelClosing() override; 57 void OnChannelClosing() override;
55 bool OnMessageReceived(const IPC::Message& message) override; 58 bool OnMessageReceived(const IPC::Message& message) override;
56 59
57 void GetContexts(const ResourceHostMsg_Request& request, 60 void GetContexts(const ResourceHostMsg_Request& request,
58 ResourceContext** resource_context, 61 ResourceContext** resource_context,
59 net::URLRequestContext** request_context); 62 net::URLRequestContext** request_context);
60 63
61 // Returns the net::URLRequestContext for the given request. 64 // Returns the net::URLRequestContext for the given request.
62 net::URLRequestContext* GetURLRequestContext(ResourceType request_type); 65 net::URLRequestContext* GetURLRequestContext(ResourceType request_type);
63 66
64 ChromeAppCacheService* appcache_service() const { 67 ChromeAppCacheService* appcache_service() const {
65 return appcache_service_.get(); 68 return appcache_service_.get();
66 } 69 }
67 70
68 ChromeBlobStorageContext* blob_storage_context() const { 71 ChromeBlobStorageContext* blob_storage_context() const {
69 return blob_storage_context_.get(); 72 return blob_storage_context_.get();
70 } 73 }
71 74
72 storage::FileSystemContext* file_system_context() const { 75 storage::FileSystemContext* file_system_context() const {
73 return file_system_context_.get(); 76 return file_system_context_.get();
74 } 77 }
75 78
76 ServiceWorkerContextWrapper* service_worker_context() const { 79 ServiceWorkerContextWrapper* service_worker_context() const {
77 return service_worker_context_.get(); 80 return service_worker_context_.get();
78 } 81 }
79 82
83 // Returns a raw pointer to the HostZoomLevelContext's associated HostZoomMap,
84 // or NULL if no context is present.
85 const HostZoomMap* GetHostZoomMap() const;
86
80 int child_id() const { return child_id_; } 87 int child_id() const { return child_id_; }
81 int process_type() const { return process_type_; } 88 int process_type() const { return process_type_; }
82 89
83 base::WeakPtr<ResourceMessageFilter> GetWeakPtr(); 90 base::WeakPtr<ResourceMessageFilter> GetWeakPtr();
84 91
85 protected: 92 protected:
86 // Protected destructor so that we can be overriden in tests. 93 // Protected destructor so that we can be overriden in tests.
87 ~ResourceMessageFilter() override; 94 ~ResourceMessageFilter() override;
88 95
89 private: 96 private:
90 // The ID of the child process. 97 // The ID of the child process.
91 int child_id_; 98 int child_id_;
92 99
93 int process_type_; 100 int process_type_;
94 101
95 scoped_refptr<ChromeAppCacheService> appcache_service_; 102 scoped_refptr<ChromeAppCacheService> appcache_service_;
96 scoped_refptr<ChromeBlobStorageContext> blob_storage_context_; 103 scoped_refptr<ChromeBlobStorageContext> blob_storage_context_;
97 scoped_refptr<storage::FileSystemContext> file_system_context_; 104 scoped_refptr<storage::FileSystemContext> file_system_context_;
98 scoped_refptr<ServiceWorkerContextWrapper> service_worker_context_; 105 scoped_refptr<ServiceWorkerContextWrapper> service_worker_context_;
106 scoped_refptr<HostZoomLevelContext> host_zoom_level_context_;
99 107
100 GetContextsCallback get_contexts_callback_; 108 GetContextsCallback get_contexts_callback_;
101 109
102 // This must come last to make sure weak pointers are invalidated first. 110 // This must come last to make sure weak pointers are invalidated first.
103 base::WeakPtrFactory<ResourceMessageFilter> weak_ptr_factory_; 111 base::WeakPtrFactory<ResourceMessageFilter> weak_ptr_factory_;
104 112
105 DISALLOW_IMPLICIT_CONSTRUCTORS(ResourceMessageFilter); 113 DISALLOW_IMPLICIT_CONSTRUCTORS(ResourceMessageFilter);
106 }; 114 };
107 115
108 } // namespace content 116 } // namespace content
109 117
110 #endif // CONTENT_BROWSER_LOADER_RESOURCE_MESSAGE_FILTER_H_ 118 #endif // CONTENT_BROWSER_LOADER_RESOURCE_MESSAGE_FILTER_H_
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