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Side by Side Diff: ppapi/c/ppb_url_loader.h

Issue 7282015: Misc. changes. Mostly formatting. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: '' Created 9 years, 5 months ago
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1 /* Copyright (c) 2011 The Chromium Authors. All rights reserved. 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 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 PPAPI_C_PPB_URL_LOADER_H_ 5 #ifndef PPAPI_C_PPB_URL_LOADER_H_
6 #define PPAPI_C_PPB_URL_LOADER_H_ 6 #define PPAPI_C_PPB_URL_LOADER_H_
7 7
8 #include "ppapi/c/pp_bool.h" 8 #include "ppapi/c/pp_bool.h"
9 #include "ppapi/c/pp_instance.h" 9 #include "ppapi/c/pp_instance.h"
10 #include "ppapi/c/pp_resource.h" 10 #include "ppapi/c/pp_resource.h"
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47 */ 47 */
48 struct PPB_URLLoader { 48 struct PPB_URLLoader {
49 /** 49 /**
50 * Create() creates a new <code>URLLoader</code> object. The 50 * Create() creates a new <code>URLLoader</code> object. The
51 * <code>URLLoader</code> is associated with a particular instance, so that 51 * <code>URLLoader</code> is associated with a particular instance, so that
52 * any UI dialogs that need to be shown to the user can be positioned 52 * any UI dialogs that need to be shown to the user can be positioned
53 * relative to the window containing the instance. 53 * relative to the window containing the instance.
54 * 54 *
55 * @param[in] instance A <code>PP_Instance</code> indentifying one instance 55 * @param[in] instance A <code>PP_Instance</code> indentifying one instance
56 * of a module. 56 * of a module.
57 *
57 * @return A <code>PP_Resource</code> corresponding to a URLLoader if 58 * @return A <code>PP_Resource</code> corresponding to a URLLoader if
58 * successful, 0 if the instance is invalid. 59 * successful, 0 if the instance is invalid.
59 */ 60 */
60 PP_Resource (*Create)(PP_Instance instance); 61 PP_Resource (*Create)(PP_Instance instance);
61 62
62 /** 63 /**
63 * IsURLLoader() determines if a resource is an <code>URLLoader</code>. 64 * IsURLLoader() determines if a resource is an <code>URLLoader</code>.
64 * 65 *
65 * @param[in] resource A <code>PP_Resource</code> corresponding to a 66 * @param[in] resource A <code>PP_Resource</code> corresponding to a
66 * <code>URLLoader</code>. 67 * <code>URLLoader</code>.
68 *
67 * @return <code>PP_TRUE</code> if the resource is a <code>URLLoader</code>, 69 * @return <code>PP_TRUE</code> if the resource is a <code>URLLoader</code>,
68 * <code>PP_FALSE</code> if the resource is invalid or some type other 70 * <code>PP_FALSE</code> if the resource is invalid or some type other
69 * than <code>URLLoader</code>. 71 * than <code>URLLoader</code>.
70 */ 72 */
71 PP_Bool (*IsURLLoader)(PP_Resource resource); 73 PP_Bool (*IsURLLoader)(PP_Resource resource);
72 74
73 /** 75 /**
74 * Open() begins loading the <code>URLRequestInfo</code>. The operation 76 * Open() begins loading the <code>URLRequestInfo</code>. The operation
75 * completes when response headers are received or when an error occurs. Use 77 * completes when response headers are received or when an error occurs. Use
76 * GetResponseInfo() to access the response headers. 78 * GetResponseInfo() to access the response headers.
77 * 79 *
78 * @param[in] loader A <code>PP_Resource</code> corresponding to a 80 * @param[in] loader A <code>PP_Resource</code> corresponding to a
79 * <code>URLLoader</code>. 81 * <code>URLLoader</code>.
80 * @param[in] resource A <code>PP_Resource</code> corresponding to a 82 * @param[in] resource A <code>PP_Resource</code> corresponding to a
81 * <code>URLRequestInfo</code>. 83 * <code>URLRequestInfo</code>.
82 * @param[in] callback A <code>PP_CompletionCallback</code> to run on 84 * @param[in] callback A <code>PP_CompletionCallback</code> to run on
83 * asynchronous completion of Open(). This callback will run when response 85 * asynchronous completion of Open(). This callback will run when response
84 * headers for the url are received or error occured. This callback 86 * headers for the url are received or error occured. This callback
85 * will only run if Open() returns <code>PP_OK_COMPLETIONPENDING</code>. 87 * will only run if Open() returns <code>PP_OK_COMPLETIONPENDING</code>.
88 *
89 * @return An int32_t containing an error code from <code>pp_errors.h</code>.
86 */ 90 */
87 int32_t (*Open)(PP_Resource loader, 91 int32_t (*Open)(PP_Resource loader,
88 PP_Resource request_info, 92 PP_Resource request_info,
89 struct PP_CompletionCallback callback); 93 struct PP_CompletionCallback callback);
90 94
91 /** 95 /**
92 * FollowRedirect()can be invoked to follow a redirect after Open() completed 96 * FollowRedirect()can be invoked to follow a redirect after Open() completed
93 * on receiving redirect headers. 97 * on receiving redirect headers.
94 * 98 *
95 * @param[in] loader A <code>PP_Resource</code> corresponding to a 99 * @param[in] loader A <code>PP_Resource</code> corresponding to a
96 * <code>URLLoader</code>. 100 * <code>URLLoader</code>.
97 * @param[in] callback A <code>PP_CompletionCallback</code> to run on 101 * @param[in] callback A <code>PP_CompletionCallback</code> to run on
98 * asynchronous completion of FollowRedirect(). This callback will run when 102 * asynchronous completion of FollowRedirect(). This callback will run when
99 * response headers for the redirect url are received or error occured. This 103 * response headers for the redirect url are received or error occured. This
100 * callback will only run if FollowRedirect() returns 104 * callback will only run if FollowRedirect() returns
101 * <code>PP_OK_COMPLETIONPENDING</code>. 105 * <code>PP_OK_COMPLETIONPENDING</code>.
106 *
102 * @return An int32_t containing an error code from <code>pp_errors.h</code>. 107 * @return An int32_t containing an error code from <code>pp_errors.h</code>.
103 */ 108 */
104 int32_t (*FollowRedirect)(PP_Resource loader, 109 int32_t (*FollowRedirect)(PP_Resource loader,
105 struct PP_CompletionCallback callback); 110 struct PP_CompletionCallback callback);
106 111
107 /** 112 /**
108 * GetUploadProgress() returns the current upload progress (which is 113 * GetUploadProgress() returns the current upload progress (which is
109 * meaningful after Open() has been called). Progress only refers to the 114 * meaningful after Open() has been called). Progress only refers to the
110 * request body and does not include the headers. 115 * request body and does not include the headers.
111 * 116 *
112 * This data is only available if the <code>URLRequestInfo</code> passed 117 * This data is only available if the <code>URLRequestInfo</code> passed
113 * to Open() had the <code>PP_URLREQUESTPROPERTY_REPORTUPLOADPROGRESS</code> 118 * to Open() had the <code>PP_URLREQUESTPROPERTY_REPORTUPLOADPROGRESS</code>
114 * property set to PP_TRUE. 119 * property set to PP_TRUE.
115 * 120 *
116 * @param[in] loader A <code>PP_Resource</code> corresponding to a 121 * @param[in] loader A <code>PP_Resource</code> corresponding to a
117 * <code>URLLoader</code>. 122 * <code>URLLoader</code>.
118 * @param[in] bytes_sent The number of bytes sent thus far. 123 * @param[in] bytes_sent The number of bytes sent thus far.
119 * @param[in] total_bytes_to_be_sent The total number of bytes to be sent. 124 * @param[in] total_bytes_to_be_sent The total number of bytes to be sent.
125 *
120 * @return <code>PP_TRUE</code> if the upload progress is available, 126 * @return <code>PP_TRUE</code> if the upload progress is available,
121 * <code>PP_FALSE</code> if it is not available. 127 * <code>PP_FALSE</code> if it is not available.
122 */ 128 */
123 PP_Bool (*GetUploadProgress)(PP_Resource loader, 129 PP_Bool (*GetUploadProgress)(PP_Resource loader,
124 int64_t* bytes_sent, 130 int64_t* bytes_sent,
125 int64_t* total_bytes_to_be_sent); 131 int64_t* total_bytes_to_be_sent);
126 132
127 /** 133 /**
128 * GetDownloadProgress() returns the current download progress, which is 134 * GetDownloadProgress() returns the current download progress, which is
129 * meaningful after Open() has been called. Progress only refers to the 135 * meaningful after Open() has been called. Progress only refers to the
130 * response body and does not include the headers. 136 * response body and does not include the headers.
131 * 137 *
132 * This data is only available if the <code>URLRequestInfo</code> passed to 138 * This data is only available if the <code>URLRequestInfo</code> passed to
133 * Open() had the <code>PP_URLREQUESTPROPERTY_REPORTDOWNLOADPROGRESS</code> 139 * Open() had the <code>PP_URLREQUESTPROPERTY_REPORTDOWNLOADPROGRESS</code>
134 * property set to <code>PP_TRUE</code>. 140 * property set to <code>PP_TRUE</code>.
135 * 141 *
136 * @param[in] loader A <code>PP_Resource</code> corresponding to a 142 * @param[in] loader A <code>PP_Resource</code> corresponding to a
137 * <code>URLLoader</code>. 143 * <code>URLLoader</code>.
138 * @param[in] bytes_received The number of bytes received thus far. 144 * @param[in] bytes_received The number of bytes received thus far.
139 * @param[in] total_bytes_to_be_received The total number of bytes to be 145 * @param[in] total_bytes_to_be_received The total number of bytes to be
140 * received. The total bytes to be received may be unknown, in which case 146 * received. The total bytes to be received may be unknown, in which case
141 * <code>total_bytes_to_be_received</code> will be set to -1. 147 * <code>total_bytes_to_be_received</code> will be set to -1.
148 *
142 * @return <code>PP_TRUE</code> if the download progress is available, 149 * @return <code>PP_TRUE</code> if the download progress is available,
143 * <code>PP_FALSE</code> if it is not available. 150 * <code>PP_FALSE</code> if it is not available.
144 */ 151 */
145 PP_Bool (*GetDownloadProgress)(PP_Resource loader, 152 PP_Bool (*GetDownloadProgress)(PP_Resource loader,
146 int64_t* bytes_received, 153 int64_t* bytes_received,
147 int64_t* total_bytes_to_be_received); 154 int64_t* total_bytes_to_be_received);
148 155
149 /** 156 /**
150 * GetResponseInfo() returns the current <code>URLResponseInfo</code> object. 157 * GetResponseInfo() returns the current <code>URLResponseInfo</code> object.
151 * 158 *
152 * @param[in] instance A <code>PP_Resource</code> corresponding to a 159 * @param[in] instance A <code>PP_Resource</code> corresponding to a
153 * <code>URLLoader</code>. 160 * <code>URLLoader</code>.
161 *
154 * @return A <code>PP_Resource</code> corresponding to the 162 * @return A <code>PP_Resource</code> corresponding to the
155 * <code>URLResponseInfo</code> if successful, 0 if the loader is not a valid 163 * <code>URLResponseInfo</code> if successful, 0 if the loader is not a valid
156 * resource or if Open() has not been called. 164 * resource or if Open() has not been called.
157 */ 165 */
158 PP_Resource (*GetResponseInfo)(PP_Resource loader); 166 PP_Resource (*GetResponseInfo)(PP_Resource loader);
159 167
160 /** 168 /**
161 * ReadResponseBody() is used to read the response body. The size of the 169 * ReadResponseBody() is used to read the response body. The size of the
162 * buffer must be large enough to hold the specified number of bytes to read. 170 * buffer must be large enough to hold the specified number of bytes to read.
163 * This function might perform a partial read. 171 * This function might perform a partial read.
164 * 172 *
165 * @param[in] loader A <code>PP_Resource</code> corresponding to a 173 * @param[in] loader A <code>PP_Resource</code> corresponding to a
166 * <code>URLLoader</code>. 174 * <code>URLLoader</code>.
167 * @param[in,out] buffer A pointer to the buffer for the response body. 175 * @param[in,out] buffer A pointer to the buffer for the response body.
168 * @param[in] bytes_to_read The number of bytes to read. 176 * @param[in] bytes_to_read The number of bytes to read.
169 * @param[in] callback A <code>PP_CompletionCallback</code> to run on 177 * @param[in] callback A <code>PP_CompletionCallback</code> to run on
170 * asynchronous completion. The callback will run if the bytes (full or 178 * asynchronous completion. The callback will run if the bytes (full or
171 * partial) are read or an error occurs asynchronously. This callback will 179 * partial) are read or an error occurs asynchronously. This callback will
172 * run only if this function returns <code>PP_OK_COMPLETIONPENDING</code>. 180 * run only if this function returns <code>PP_OK_COMPLETIONPENDING</code>.
181 *
173 * @return An int32_t containing the number of bytes read or an error code 182 * @return An int32_t containing the number of bytes read or an error code
174 * from <code>pp_errors.h</code>. 183 * from <code>pp_errors.h</code>.
175 */ 184 */
176 int32_t (*ReadResponseBody)(PP_Resource loader, 185 int32_t (*ReadResponseBody)(PP_Resource loader,
177 void* buffer, 186 void* buffer,
178 int32_t bytes_to_read, 187 int32_t bytes_to_read,
179 struct PP_CompletionCallback callback); 188 struct PP_CompletionCallback callback);
180 /** 189 /**
181 * FinishStreamingToFile() is used to wait for the response body to be 190 * FinishStreamingToFile() is used to wait for the response body to be
182 * completely downloaded to the file provided by the GetBodyAsFileRef() 191 * completely downloaded to the file provided by the GetBodyAsFileRef()
183 * in the current <code>URLResponseInfo</code>. This function is only used if 192 * in the current <code>URLResponseInfo</code>. This function is only used if
184 * <code>PP_URLREQUESTPROPERTY_STREAMTOFILE</code> was set on the 193 * <code>PP_URLREQUESTPROPERTY_STREAMTOFILE</code> was set on the
185 * <code>URLRequestInfo</code> passed to Open(). 194 * <code>URLRequestInfo</code> passed to Open().
186 * 195 *
187 * @param[in] loader A <code>PP_Resource</code> corresponding to a 196 * @param[in] loader A <code>PP_Resource</code> corresponding to a
188 * <code>URLLoader</code>. 197 * <code>URLLoader</code>.
189 * @param[in] callback A <code>PP_CompletionCallback</code> to run on 198 * @param[in] callback A <code>PP_CompletionCallback</code> to run on
190 * asynchronous completion. This callback will run when body is downloaded 199 * asynchronous completion. This callback will run when body is downloaded
191 * or an error occurs after FinishStreamingToFile() returns 200 * or an error occurs after FinishStreamingToFile() returns
192 * <code>PP_OK_COMPLETIONPENDING</code>. 201 * <code>PP_OK_COMPLETIONPENDING</code>.
202 *
193 * @return An int32_t containing the number of bytes read or an error code 203 * @return An int32_t containing the number of bytes read or an error code
194 * from <code>pp_errors.h</code>. 204 * from <code>pp_errors.h</code>.
195 */ 205 */
196 int32_t (*FinishStreamingToFile)(PP_Resource loader, 206 int32_t (*FinishStreamingToFile)(PP_Resource loader,
197 struct PP_CompletionCallback callback); 207 struct PP_CompletionCallback callback);
198 208
199 /** 209 /**
200 * Close is a pointer to a function used to cancel any pending IO and close 210 * Close is a pointer to a function used to cancel any pending IO and close
201 * the <code>URLLoader</code> object. Any pending callbacks will still run, 211 * the <code>URLLoader</code> object. Any pending callbacks will still run,
202 * reporting <code>PP_ERROR_ABORTED</code> if pending IO was interrupted. 212 * reporting <code>PP_ERROR_ABORTED</code> if pending IO was interrupted.
203 * It is NOT valid to call Open() again after a call to this function. 213 * It is NOT valid to call Open() again after a call to this function.
204 * 214 *
205 * Note: If the <code>URLLoader</code> object is destroyed while it is still 215 * <strong>Note:</strong> If the <code>URLLoader</code> object is destroyed
206 * open, then it will be implicitly closed so you are not required to call 216 * while it is still open, then it will be implicitly closed so you are not
207 * Close(). 217 * required to call Close().
208 * 218 *
209 * @param[in] loader A <code>PP_Resource</code> corresponding to a 219 * @param[in] loader A <code>PP_Resource</code> corresponding to a
210 * <code>URLLoader</code>. 220 * <code>URLLoader</code>.
211 */ 221 */
212 void (*Close)(PP_Resource loader); 222 void (*Close)(PP_Resource loader);
213 }; 223 };
214 /** 224 /**
215 * @} 225 * @}
216 */ 226 */
217 227
218 #endif /* PPAPI_C_PPB_URL_LOADER_H_ */ 228 #endif /* PPAPI_C_PPB_URL_LOADER_H_ */
219 229
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