// Copyright (c) 2022 Marshall A. Greenblatt. All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the name Chromium Embedded // Framework nor the names of its contributors may be used to endorse // or promote products derived from this software without specific prior // written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // --------------------------------------------------------------------------- // // This file was generated by the CEF translator tool and should not edited // by hand. See the translator.README.txt file in the tools directory for // more information. // // $hash=67df3d56f0cc0f58d2b0a2fe884bbb2c1c39813f$ // #ifndef CEF_INCLUDE_CAPI_CEF_RESOURCE_HANDLER_CAPI_H_ #define CEF_INCLUDE_CAPI_CEF_RESOURCE_HANDLER_CAPI_H_ #pragma once #include "include/capi/cef_base_capi.h" #include "include/capi/cef_browser_capi.h" #include "include/capi/cef_callback_capi.h" #include "include/capi/cef_cookie_capi.h" #include "include/capi/cef_request_capi.h" #include "include/capi/cef_response_capi.h" #ifdef __cplusplus extern "C" { #endif /// // Callback for asynchronous continuation of cef_resource_handler_t::skip(). /// typedef struct _cef_resource_skip_callback_t { /// // Base structure. /// cef_base_ref_counted_t base; /// // Callback for asynchronous continuation of skip(). If |bytes_skipped| > 0 // then either skip() will be called again until the requested number of bytes // have been skipped or the request will proceed. If |bytes_skipped| <= 0 the // request will fail with ERR_REQUEST_RANGE_NOT_SATISFIABLE. /// void(CEF_CALLBACK* cont)(struct _cef_resource_skip_callback_t* self, int64 bytes_skipped); } cef_resource_skip_callback_t; /// // Callback for asynchronous continuation of cef_resource_handler_t::read(). /// typedef struct _cef_resource_read_callback_t { /// // Base structure. /// cef_base_ref_counted_t base; /// // Callback for asynchronous continuation of read(). If |bytes_read| == 0 the // response will be considered complete. If |bytes_read| > 0 then read() will // be called again until the request is complete (based on either the result // or the expected content length). If |bytes_read| < 0 then the request will // fail and the |bytes_read| value will be treated as the error code. /// void(CEF_CALLBACK* cont)(struct _cef_resource_read_callback_t* self, int bytes_read); } cef_resource_read_callback_t; /// // Structure used to implement a custom request handler structure. The functions // of this structure will be called on the IO thread unless otherwise indicated. /// typedef struct _cef_resource_handler_t { /// // Base structure. /// cef_base_ref_counted_t base; /// // Open the response stream. To handle the request immediately set // |handle_request| to true (1) and return true (1). To decide at a later time // set |handle_request| to false (0), return true (1), and execute |callback| // to continue or cancel the request. To cancel the request immediately set // |handle_request| to true (1) and return false (0). This function will be // called in sequence but not from a dedicated thread. For backwards // compatibility set |handle_request| to false (0) and return false (0) and // the ProcessRequest function will be called. /// int(CEF_CALLBACK* open)(struct _cef_resource_handler_t* self, struct _cef_request_t* request, int* handle_request, struct _cef_callback_t* callback); /// // Begin processing the request. To handle the request return true (1) and // call cef_callback_t::cont() once the response header information is // available (cef_callback_t::cont() can also be called from inside this // function if header information is available immediately). To cancel the // request return false (0). // // WARNING: This function is deprecated. Use Open instead. /// int(CEF_CALLBACK* process_request)(struct _cef_resource_handler_t* self, struct _cef_request_t* request, struct _cef_callback_t* callback); /// // Retrieve response header information. If the response length is not known // set |response_length| to -1 and read_response() will be called until it // returns false (0). If the response length is known set |response_length| to // a positive value and read_response() will be called until it returns false // (0) or the specified number of bytes have been read. Use the |response| // object to set the mime type, http status code and other optional header // values. To redirect the request to a new URL set |redirectUrl| to the new // URL. |redirectUrl| can be either a relative or fully qualified URL. It is // also possible to set |response| to a redirect http status code and pass the // new URL via a Location header. Likewise with |redirectUrl| it is valid to // set a relative or fully qualified URL as the Location header value. If an // error occured while setting up the request you can call set_error() on // |response| to indicate the error condition. /// void(CEF_CALLBACK* get_response_headers)(struct _cef_resource_handler_t* self, struct _cef_response_t* response, int64* response_length, cef_string_t* redirectUrl); /// // Skip response data when requested by a Range header. Skip over and discard // |bytes_to_skip| bytes of response data. If data is available immediately // set |bytes_skipped| to the number of bytes skipped and return true (1). To // read the data at a later time set |bytes_skipped| to 0, return true (1) and // execute |callback| when the data is available. To indicate failure set // |bytes_skipped| to < 0 (e.g. -2 for ERR_FAILED) and return false (0). This // function will be called in sequence but not from a dedicated thread. /// int(CEF_CALLBACK* skip)(struct _cef_resource_handler_t* self, int64 bytes_to_skip, int64* bytes_skipped, struct _cef_resource_skip_callback_t* callback); /// // Read response data. If data is available immediately copy up to // |bytes_to_read| bytes into |data_out|, set |bytes_read| to the number of // bytes copied, and return true (1). To read the data at a later time keep a // pointer to |data_out|, set |bytes_read| to 0, return true (1) and execute // |callback| when the data is available (|data_out| will remain valid until // the callback is executed). To indicate response completion set |bytes_read| // to 0 and return false (0). To indicate failure set |bytes_read| to < 0 // (e.g. -2 for ERR_FAILED) and return false (0). This function will be called // in sequence but not from a dedicated thread. For backwards compatibility // set |bytes_read| to -1 and return false (0) and the ReadResponse function // will be called. /// int(CEF_CALLBACK* read)(struct _cef_resource_handler_t* self, void* data_out, int bytes_to_read, int* bytes_read, struct _cef_resource_read_callback_t* callback); /// // Read response data. If data is available immediately copy up to // |bytes_to_read| bytes into |data_out|, set |bytes_read| to the number of // bytes copied, and return true (1). To read the data at a later time set // |bytes_read| to 0, return true (1) and call cef_callback_t::cont() when the // data is available. To indicate response completion return false (0). // // WARNING: This function is deprecated. Use Skip and Read instead. /// int(CEF_CALLBACK* read_response)(struct _cef_resource_handler_t* self, void* data_out, int bytes_to_read, int* bytes_read, struct _cef_callback_t* callback); /// // Request processing has been canceled. /// void(CEF_CALLBACK* cancel)(struct _cef_resource_handler_t* self); } cef_resource_handler_t; #ifdef __cplusplus } #endif #endif // CEF_INCLUDE_CAPI_CEF_RESOURCE_HANDLER_CAPI_H_