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1 /* | 1 /* |
2 * Copyright (C) 2009 Google Inc. All rights reserved. | 2 * Copyright (C) 2009 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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61 struct ThreadableLoaderOptions { | 61 struct ThreadableLoaderOptions { |
62 DISALLOW_NEW(); | 62 DISALLOW_NEW(); |
63 ThreadableLoaderOptions() | 63 ThreadableLoaderOptions() |
64 : preflightPolicy(ConsiderPreflight), | 64 : preflightPolicy(ConsiderPreflight), |
65 crossOriginRequestPolicy(DenyCrossOriginRequests), | 65 crossOriginRequestPolicy(DenyCrossOriginRequests), |
66 contentSecurityPolicyEnforcement(EnforceContentSecurityPolicy), | 66 contentSecurityPolicyEnforcement(EnforceContentSecurityPolicy), |
67 timeoutMilliseconds(0) {} | 67 timeoutMilliseconds(0) {} |
68 | 68 |
69 // When adding members, CrossThreadThreadableLoaderOptionsData should | 69 // When adding members, CrossThreadThreadableLoaderOptionsData should |
70 // be updated. | 70 // be updated. |
71 PreflightPolicy | 71 |
72 preflightPolicy; // If AccessControl is used, how to determine if a prefl
ight is needed. | 72 // If AccessControl is used, how to determine if a preflight is needed. |
| 73 PreflightPolicy preflightPolicy; |
| 74 |
73 CrossOriginRequestPolicy crossOriginRequestPolicy; | 75 CrossOriginRequestPolicy crossOriginRequestPolicy; |
74 AtomicString initiator; | 76 AtomicString initiator; |
75 ContentSecurityPolicyEnforcement contentSecurityPolicyEnforcement; | 77 ContentSecurityPolicyEnforcement contentSecurityPolicyEnforcement; |
76 unsigned long timeoutMilliseconds; | 78 unsigned long timeoutMilliseconds; |
77 }; | 79 }; |
78 | 80 |
79 // Encode AtomicString as String to cross threads. | 81 // Encode AtomicString as String to cross threads. |
80 struct CrossThreadThreadableLoaderOptionsData { | 82 struct CrossThreadThreadableLoaderOptionsData { |
81 STACK_ALLOCATED(); | 83 STACK_ALLOCATED(); |
82 explicit CrossThreadThreadableLoaderOptionsData( | 84 explicit CrossThreadThreadableLoaderOptionsData( |
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106 }; | 108 }; |
107 | 109 |
108 template <> | 110 template <> |
109 struct CrossThreadCopier<ThreadableLoaderOptions> { | 111 struct CrossThreadCopier<ThreadableLoaderOptions> { |
110 typedef CrossThreadThreadableLoaderOptionsData Type; | 112 typedef CrossThreadThreadableLoaderOptionsData Type; |
111 static Type copy(const ThreadableLoaderOptions& options) { | 113 static Type copy(const ThreadableLoaderOptions& options) { |
112 return CrossThreadThreadableLoaderOptionsData(options); | 114 return CrossThreadThreadableLoaderOptionsData(options); |
113 } | 115 } |
114 }; | 116 }; |
115 | 117 |
116 // Useful for doing loader operations from any thread (not threadsafe, | 118 // Useful for doing loader operations from any thread (not threadsafe, just able |
117 // just able to run on threads other than the main thread). | 119 // to run on threads other than the main thread). |
118 // | 120 // |
119 // Arguments common to both loadResourceSynchronously() and create(): | 121 // Arguments common to both loadResourceSynchronously() and create(): |
120 // | 122 // |
121 // - ThreadableLoaderOptions argument configures this ThreadableLoader's | 123 // - ThreadableLoaderOptions argument configures this ThreadableLoader's |
122 // behavior. | 124 // behavior. |
123 // | 125 // |
124 // - ResourceLoaderOptions argument will be passed to the FetchRequest | 126 // - ResourceLoaderOptions argument will be passed to the FetchRequest |
125 // that this ThreadableLoader creates. It can be altered e.g. when | 127 // that this ThreadableLoader creates. It can be altered e.g. when |
126 // redirect happens. | 128 // redirect happens. |
127 class CORE_EXPORT ThreadableLoader | 129 class CORE_EXPORT ThreadableLoader |
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173 // std::unique_ptr<ThreadableLoader>). | 175 // std::unique_ptr<ThreadableLoader>). |
174 static ThreadableLoader* create(ExecutionContext&, | 176 static ThreadableLoader* create(ExecutionContext&, |
175 ThreadableLoaderClient*, | 177 ThreadableLoaderClient*, |
176 const ThreadableLoaderOptions&, | 178 const ThreadableLoaderOptions&, |
177 const ResourceLoaderOptions&); | 179 const ResourceLoaderOptions&); |
178 | 180 |
179 // The methods on the ThreadableLoaderClient passed on create() call | 181 // The methods on the ThreadableLoaderClient passed on create() call |
180 // may be called synchronous to start() call. | 182 // may be called synchronous to start() call. |
181 virtual void start(const ResourceRequest&) = 0; | 183 virtual void start(const ResourceRequest&) = 0; |
182 | 184 |
183 // A ThreadableLoader may have a timeout specified. It is possible, in some ca
ses, for | 185 // A ThreadableLoader may have a timeout specified. It is possible, in some |
184 // the timeout to be overridden after the request is sent (for example, XMLHtt
pRequests | 186 // cases, for the timeout to be overridden after the request is sent (for |
185 // may override their timeout setting after sending). | 187 // example, XMLHttpRequests may override their timeout setting after sending). |
186 // | 188 // |
187 // Set a new timeout relative to the time the request started, in milliseconds
. | 189 // Set a new timeout relative to the time the request started, in |
| 190 // milliseconds. |
188 virtual void overrideTimeout(unsigned long timeoutMilliseconds) = 0; | 191 virtual void overrideTimeout(unsigned long timeoutMilliseconds) = 0; |
189 | 192 |
190 virtual void cancel() = 0; | 193 virtual void cancel() = 0; |
191 | 194 |
192 virtual ~ThreadableLoader() {} | 195 virtual ~ThreadableLoader() {} |
193 | 196 |
194 DEFINE_INLINE_VIRTUAL_TRACE() {} | 197 DEFINE_INLINE_VIRTUAL_TRACE() {} |
195 | 198 |
196 protected: | 199 protected: |
197 ThreadableLoader() {} | 200 ThreadableLoader() {} |
198 }; | 201 }; |
199 | 202 |
200 } // namespace blink | 203 } // namespace blink |
201 | 204 |
202 #endif // ThreadableLoader_h | 205 #endif // ThreadableLoader_h |
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